Method of manufacturing laminate honeycomb material

Information

  • Patent Grant
  • 6461464
  • Patent Number
    6,461,464
  • Date Filed
    Tuesday, May 9, 2000
    24 years ago
  • Date Issued
    Tuesday, October 8, 2002
    22 years ago
Abstract
A colinear laminate honeycomb panel permits the use of two or more different materials to form a single panel. In this manner, a retractable cover for an architectural opening may be formed that has a different appearance depending upon which side of the panel is being viewed. The resultant panel is formed by attaching a plurality of elongated precursor tubular cells, wherein each precursor tubular cell itself comprises at least two strips of material held in proximity to one another by a common carrier strip.
Description




BACKGROUND OF THE INVENTION




a. Field of the Invention




The instant invention is directed toward a retractable cover for an architectural opening. More specifically, it relates to a cellular panel used to cover an architectural opening and a method of making the same.




b. Background Art




It is well known that cellular panels provide excellent coverings for architectural openings. For example, U.S. Pat. No. 5,482,750 to Colson et al. discloses a multi-cellular honeycomb insulating panel. Another type of retractable cellular panel is disclosed in U.S. Pat. No. 4,603,072 to Colson, the disclosure of which is hereby incorporated by reference.




A related type of honeycomb insulating panel is disclosed in U.S. Pat. No. 4,677,012 to Anderson. In the '012 patent, a cell of the panel is formed by folding a strip of material along longitudinally extending fold lines that bring the longitudinally extending edges of the material near each other. Then, a second length of material is secured to the longitudinally extending edges to form a cell. A plurality of these cells are then affixed together to form a panel. Another related type of honeycomb insulating panel is disclosed in U.S. Pat. Nos. 4,795,515 and 4,871,006 to Kao et al. The '515 patent is directed toward a process and machine for forming the honeycomb panel disclosed therein. According to the '515 patent, a plurality of attaching strips join pleat lines formed in each of the two sheets that comprise the front and rear surfaces of the completed panel. The '006 patent is directed toward a dual fluted shade. Again, in the '006 patent, a plurality of attaching strips join two sheets of fabric along corresponding pleat lines formed in each of the two sheets. Other panels, like those disclosed in the '515 and '006 patents, wherein strips connect adjacent sheets of fabric, are disclosed in U.S. Pat. Nos. 5,228,936 (and B1 5,228,936) to Goodhue and 4,673,600 to Anderson. The '600 patent also discloses a panel wherein the two sheets of material forming the front and back faces are joined directly together. The application that issued as the '600 patent was a division of application Ser. No. 796,035, which eventually issued as U.S. Pat. No. 4,622,255 to Anderson. U.S. Pat. No. 4,685,986 to Anderson also issued from an application that was a division of the '035 application. Whereas the '600 patent claims the honeycomb panel, the '986 patent claims a method of fabricating the panel.




Still another related type of honeycomb panel is disclosed in U.S. Pat. No. 4,631,217 to Anderson. In the panel disclosed in the '217 patent, strips of material are folded into Z-configurations, which are then stacked in layers that are adhered together. U.S. Pat. No. 4,676,855 to Anderson issued from an application that was a division of the application that issued as the '217 patent. Whereas the '217 patent claims the honeycomb panel, the '855 patent claims a method of fabricating the panel.




U.S. Pat. No. 4,019,554 and its corresponding reissue Pat. No. Re. 30,254 to Rasmussen disclose yet another related type of honeycomb panel. The panels disclosed in the '254 and '554 patents are formed by stacking precursor tubular members one on top of another, wherein the top surface of a particular precursor tubular member is bonded to the bottom surface of the next adjacent precursor tubular member, and the bottom surface of the particular precursor tubular member is bonded to the top surface of an adjacent precursor tubular member. The stacked and bonded precursor tubular members forming a resulting thermal insulating curtain.




Various machines are also known that are capable of manufacturing cellular panels at high speed. For example, U.S. Pat. No. 4,450,027 to Colson, the disclosure of which is hereby incorporated by reference, discloses an apparatus for manufacturing cellular panels. Related U.S. Pat. No. 4,631,108 to Colson, the disclosure of which is hereby incorporated by reference, issued from a continuation-in-part of the application that eventually issued as the '027 patent.




The cellular panels manufactured heretofore by interconnecting a plurality of individual precursor tubular cells have generally comprised precursor cells constructed from a single strip of folded material. The resulting elongated precursor tubular cells of a single material are then directly joined together to form a cellular panel. The machine disclosed in the '027 patent may be used to manufacture such panels. Since the precursor tubular cells have been manufactured from single strips of material, however, it has not been possible to obtain the advantages that may be available when the honeycomb panel is constructed of more than one type of material. One such advantage is the ability to construct a cellular panel that is to be used as a window covering wherein one type of material faces inward for viewing by people inside of the room and a second, different material, faces outward. The inward facing side of the panel could be made from an aesthetically pleasing material, whereas the outward facing side could be made from a heat reflective or heat absorptive material. One side of the panel could also be made from a light-blocking material. Simllarly, if an installed panel will have a hidden side, each precursor cell may be constructed to have an aesthetically pleasing material on the visible side of the resulting panel and a less expensive, less attractive material on the hidden side of the panel.




SUMMARY OF THE INVENTION




It is desirable to be able to form each precursor tubular cell in a honeycomb panel constructed by interconnecting a plurality of individual precursor tubular cells from a plurality of material types rather than from a single type of material.




Accordingly, it is an object of the disclosed invention to provide an improved retractable cover for an architectural opening.




The instant invention is an expandable and contractible honeycomb panel comprising a plurality of parallel rows of interconnected elongated precursor tubular cells, each of the precursor tubular cells being constructed of a foldable and creasable material, and each precursor tubular cell comprising at least a first strip of material and a second strip of material. The second strip of material is arranged substantially parallel to the first strip of material, and the two strips are substantially equal in length. A carrier strip joins the first strip and the second strip. The combination of the first strip, the second strip, and the carrier is shaped to form a precursor tubular cell used to construct the honeycomb panel.




A more detailed explanation of the invention is provided in the following description and claims, and is illustrated in the accompanying drawings.











BRIEF DESCRIPTION OF THE DRAWINGS





FIG. 1A

is an exploded, cross-sectional view of a first embodiment of an elongated precursor tubular cell before it has been folded;





FIG. 1B

is a cross-sectional view of the first embodiment of the elongated precursor tubular cell before it has been folded;





FIG. 1C

is a cross-sectional view of the first embodiment of the elongated precursor tubular cell after the material has been folded;





FIG. 1D

is a cross-sectional view of a plurality of precursor tubular cells according to the first embodiment and forming a honeycomb panel;





FIG. 1E

is a perspective view of a portion of the honeycomb panel formed using precursor tubular cells according to the first embodiment;





FIG. 2A

is an exploded, cross-sectional view of a second embodiment of an elongated precursor tubular cell before it has been folded;





FIG. 2B

is a cross-sectional view of the second embodiment of the elongated precursor tubular cell before it has been folded;





FIG. 2C

is a cross-sectional view of the second embodiment of the elongated precursor tubular cell after the material has been folded;





FIG. 2D

is a cross-sectional view of a plurality of precursor tubular cells according to the second embodiment and forming a honeycomb panel;





FIG. 2E

is a perspective view of a portion of the honeycomb panel formed using precursor tubular cells according to the second embodiment;





FIG. 3A

is an exploded, cross-sectional view of a third embodiment of an elongated precursor tubular cell before it has been folded;





FIG. 3B

is a cross-sectional view of the third embodiment of the elongated precursor tubular cell before it has been folded;





FIG. 3C

is a cross-sectional view of the third embodiment of the elongated precursor tubular cell after folding of the material has been initiated;





FIG. 3D

is a cross-sectional view of the third embodiment of the elongated precursor tubular cell after the material has been folded;





FIG. 3E

is a cross-sectional view of a plurality of precursor tubular cells according to the third embodiment and forming a honeycomb panel;





FIG. 4A

is an exploded, cross-sectional view of a fourth embodiment of an elongated precursor tubular cell before it has been folded;





FIG. 4B

is a cross-sectional view of the fourth embodiment of the elongated precursor tubular cell before it has been folded;





FIG. 4C

is a cross-sectional view of the fourth embodiment of the elongated precursor tubular cell after the material has been folded;





FIG. 4D

is a cross-sectional view of a plurality of precursor tubular cells according to the fourth embodiment and forming a honeycomb panel; and





FIG. 4E

is a perspective view of a portion of the honeycomb panel formed using precursor tubular cells according to the fourth embodiment.











DESCRIPTION OF THE PREFERRED EMBODIMENTS




Several embodiments of a cellular honeycomb panel


10


(

FIG. 1E

,

FIG. 2E

, FIG.


4


E), comprising a plurality of elongated precursor tubular cells


12


, each precursor cell comprising at least two different materials, are disclosed. An advantage of the instant invention over the prior art is that the first strip


14


and the second strip


16


may be of different materials. For example, Polymer film, metallized film, nonwoven fabric, woven fabric, knit fabric, and the like. Thus, it is possible to make a cellular honeycomb panel


10


having a different look from its front and back sides.




Referring first to

FIGS. 1A through 1E

, a first embodiment of the invention shall be described.

FIG. 1A

is an exploded cross-sectional view of an elongated precursor tubular cell


12


before the component parts are assembled and creased. A first strip


14


of a foldable and creasable material is laid down adjacent and substantially parallel to a second strip


16


of foldable and creasable material. The first strip


14


includes a first longitudinal edge


18


and a second longitudinal edge


20


. Similarly, the second strip


16


includes a first longitudinal edge


22


and a second longitudinal edge


24


. A good view of the first longitudinal edge


18


of the first strip


14


is visible in FIG.


1


E. The width of the first strip is the distance between the first longitudinal edge


18


and the second longitudinal edge


20


of the first strip


14


. Similarly, the width of the second strip


16


is the distance between the first longitudinal edge


22


and the second longitudinal edge


24


of the second strip


16


. The length of the strips


14


,


16


define the width of the resulting honeycomb panel


10


.




In preparation for forming the laminate strip that will be folded into the elongated precursor tubular cell


12


, a carrier strip


26


is placed below the first strip


14


and the second strip


16


. This carrier strip


26


also has a first longitudinal edge


28


and a second longitudinal edge


30


. The distance between the first longitudinal edge


28


and the second longitudinal edge


30


of the carrier strip


26


defines the width of the carrier strip


26


. An adhesive


32


is used to bind the first strip


14


and the second strip


16


to the carrier strip


26


. The adhesive


32


may be a heat-activated or other type of adhesive. An acceptable type of adhesive is aliphatic adhesive. The first strip


14


and the second strip


16


may, alternatively, be heat laminated to the carrier strip


26


. Two-sided tape or some other continuous film adhesive could also be used to adhere strip


16


to the carrier strip


26


. These latter types of adhesive may even be preferable in some applications as they may better inhibit fraying.




No matter what type adhesive


32


is used, the gap in the adhesive


32


depicted in

FIG. 1A

is not required. In other words, the adhesive


32


could form a continuous band spanning the distance between the second longitudinal edge


20


of the first strip


14


and the first longitudinal edge


22


of the second strip


16


. Alternatively, several gaps could be present in the adhesive


32


as long as sufficient adhesive


32


is present to bind the first strip


14


and the second strip


16


to the carrier strip


26


. This is true for each of the four embodiments described herein.




In the first embodiment, the carrier strip


26


is first laid down. Then, adhesive


32


is applied to the carrier strip


26


in the location shown in

FIGS. 1A and 1B

. With the carrier strip


26


and adhesive


32


in place, the first strip


14


, comprising a first foldable and creasable material, is placed over the carrier strip


26


such that the adhesive


32


is between the carrier strip


26


and the first strip


14


. The second strip


16


is then placed on the carrier strip


26


after being positioned as depicted in FIG.


1


B. In this embodiment the first longitudinal edge


18


of the first strip


14


is adjacent to, but not in contact with, the second longitudinal edge


24


of the second strip


16


. If desired, the adhesive


32


could be applied to the first and second strips


14


,


16


, rather than to the carrier strip


26


.




In this embodiment, the width of the carrier strip


26


is greater than the combined widths of the first strip


14


and the second strip


16


. In fact, in this embodiment, the carrier strip


26


is wide enough to accommodate a gap between the first strip


14


and the second strip


16


, and also extend beyond the first longitudinal edge


22


of the second strip


16


and beyond the second longitudinal edge


20


of the first strip


14


. As shown in

FIG. 1B

, the carrier strip


26


thus has a first extended portion, wing, or free edge


34


and a second extended portion, wing, or free edge


36


. These extended portions


34


,


36


may be used as attachment points when a plurality of elongated precursor tubular cells


12


are attached to form a honeycomb panel


10


(see FIG.


1


D). Even if the carrier strip


26


were not wide enough to extend beyond the longitudinal edges


22


and


20


, a honeycomb panel


10


incorporating the inventive concept of the present invention could be formed.




The flat combination depicted in

FIG. 1B

is then folded or creased into the shape depicted in

FIG. 1C

, thereby forming an elongated precursor tubular cell


12


. The precursor tubular cell


12


depicted in

FIG. 1C

is formed by making a plurality of creases in the combined material depicted in FIG.


1


B. For example, a pair of first creases


38


, second creases


40


, and third creases


42


could be formed in the carrier strip. A first crease


38


could be formed by bending the first extended portion


34


of the carrier strip


26


at the point adjacent to where the first longitudinal edge


22


of the second strip


16


is attached to the carrier strip


26


. A corresponding first crease


38


could be formed by bending the second extended portion


36


of the carrier strip


26


at the point adjacent to where second longitudinal edge


20


of the first strip


14


is attached to the carrier strip


26


. If the carrier strip did not have the first extended portion


34


or the second extended portion


36


(i.e., if the lateral edges of the carrier strip


26


were even with the first longitudinal edge


22


of the second strip


16


and with the second longitudinal edge


20


of the first strip


14


), a first crease


38


would be made in both the carrier strip


26


and in the first strip


14


near one longitudinal edge of the combination depicted in

FIG. 1B

, and a corresponding first crease


38


would be made in both the carrier strip


26


and in the second strip


16


near the other longitudinal edge of the combination.




A second crease


40


could subsequently be formed in the carrier strip


26


near the midpoint of the second strip


16


, and a corresponding second crease


40


could be formed in the carrier strip


26


near the midpoint of the first strip


14


. Each second crease


40


changes the shape of what will become the elongated precursor tubular cell


12


by bringing the first longitudinal edge


28


of the carrier strip


26


closer to the second longitudinal edge


30


of the carrier strip


26


. Finally, a third crease


42


is made in the carrier strip


26


adjacent to the point where the second longitudinal edge


24


of the second strip


16


is attached to the carrier strip


26


, and a corresponding third crease


42


is made in the carrier strip


26


adjacent to the point where the first longitudinal edge


18


of the first strip


14


is attached to the carrier strip


26


. After the first, second, and third pairs of creases


38


,


40


,


42


have been formed, the once flat combination resembles an elongated precursor tubular cell


12


.




Although the discussion of this first embodiment and of the other embodiments refers to “pleats” or “creases,” the instant invention does not require them. Pleats or creases maybe beneficial for some uses of the invention and are used in this disclosure for illustrative purposes, but are not required and need not be severe or well-defined.




The process of gluing first and second strips


14


,


16


onto carrier strips


26


and creasing the resulting combination, repeated several times, produces a plurality of elongated precursor tubular cells


12


. This plurality of elongated precursor tubular cells


12


may then be connected together to form a honeycomb panel


10


(FIGS.


1


D and


1


E). It should be noted that in this embodiment, the creases


38


,


40


,


42


have been formed such that the carrier strip


26


in toward the inside of the resulting elongated precursor tubular cells


12


.





FIG. 1D

best depicts how a plurality of elongated precursor tubular cells


12


are combined into a single honeycomb panel


10


. As seen in FIG.


1


D and

FIG. 1E

, beads of adhesive


44


,


46


are applied to the exposed exterior portion of the carrier strip


26


of one elongated precursor tubular cell


12


. The extended portions


34


,


36


of an adjacent elongated precursor tubular cell


12


are then attached by the adhesive beads


44


,


46


to the exposed portion of the carrier strip


26


of an adjacent elongated precursor tubular cell


12


. The adhesive beads


44


,


46


may be made from a heat-activated or other type of adhesive. For example, the aliphatic adhesives have been used successfully in construction of honeycomb panels


10


according to the instant invention.




Referring now to

FIGS. 2A through 2E

, a second embodiment is described. The primary difference between this embodiment and the first embodiment described above is that, in this embodiment, the width of the carrier strip


26


is less than the combined widths of the first strip


14


and the second strip


16


. Since the carrier strip


26


is not as wide as the combined widths of the first strip


14


and second strip


16


, the first, second, and third creases


38


,


40


,


42


are not all made in the carrier strip


26


as they were in the first embodiment. As may be clearly seen in

FIG. 2C

, the first crease


38


is made in each of the strips


14


,


16


, but the carrier strip


26


does not extend to this point along the back or interior side of the first and second strips


14


,


16


. Thus, in this second embodiment, the first extended portion


34


comprises a portion of the second strip


16


, and the second extended portion


36


comprises a portion of the first strip


14


. As may be seen by comparing

FIG. 2C

with

FIG. 1C

, it is clear that the extended portions


34


,


36


may comprise either a longitudinal portion of the strips


14


,


16


or of the carrier strip


26


.




Once a plurality of elongated precursor tubular cells


12


have been formed, they may be joined to form a single honeycomb panel


10


(FIG.


2


D and FIG.


2


E). In this embodiment the adhesive beads


44


,


46


are again applied to the exposed portion


48


of the carrier strip


26


. In this embodiment, however, a portion of the fabric strips


14


,


16


is affixed to the exposed portion of the carrier strip


26


, rather than affixing a portion of the carrier strip


26


from an adjacent elongated precursor tubular cell


12


to the exposed portion of the carrier strip


26


. The exposed portion


48


of a carrier strip


26


is clearly visible in FIG.


2


E.




Referring now to

FIGS. 3A through 3E

, a third embodiment of the instant invention is described. This embodiment most closely resembles the embodiment depicted in

FIGS. 1A through 1E

. In this embodiment, the first strip


14


and the second strip


16


are placed against or contiguous with each other. In other words, the first longitudinal edge


18


of the first strip


14


touches the second longitudinal edge


24


of the second strip


16


, thereby forming the seam


50


depicted in FIG.


3


A. Longitudinal edges


18


,


24


are not labeled in

FIG. 3A

but maybe clearly seen in FIG.


1


A.

FIG. 3B

is similar to

FIG. 1B

, but again depicts the third embodiment where the first and second strips


14


,


16


are placed against each other so as to form the seam


50


.




With reference to the first embodiment described above, formation of an elongated precursor tubular cell


12


was achieved by making a series of creases in the composite structure depicted in FIG.


1


B. As described above, the first step toward shaping the composite structure depicted in

FIG. 1B

into the elongated precursor tubular cell


12


depicted in

FIG. 1C

involved making the first crease


38


in two places along the carrier strip


26


.




Referring now to

FIG. 3C

, an alternative series of creases is depicted.

FIG. 3C

depicts the folding of the composite structure depicted in

FIG. 3B

as commencing near the center portion of the carrier strip


26


rather than near the longitudinal edges


28


,


30


of the carrier strip


26


. In

FIG. 3C

, therefore, the third crease


42


in the first strip


14


and the second strip


16


is depicted as being made first. It would be clear to someone of ordinary skill in the pertinent art that the creases could be made in any order. Also, as discussed above with references to the first embodiment, it is not required that the carrier strip


26


extend beyond the second longitudinal edge


20


of the first strip


14


or beyond the first longitudinal edge


22


of the second strip


16


.




Referring now to

FIG. 3E

, the manner in which adjacent elongated precursor tubular cells


12


are attached to form a honeycomb panel


10


is clearly depicted.

FIG. 3E

shows a cross-sectional view perpendicular to the plane of a resultant honeycomb panel


10


. From this cross-sectional view it may clearly be seen where the adhesive beads


44


,


46


are placed between adjacent elongated precursor tubular cells


12


. In this embodiment, the beads


44


,


46


are applied directly to the exterior surface of the first strip


14


and the second strip


16


near the seam


50


. Then, an adjacent elongated precursor tubular cell


12


is attached to the adhesive beads


44


,


46


. In particular, the first extended portion


34


and the second extended portion


36


of the adjacent elongated precursor tubular cell


12


are placed in contact with the beads


44


,


46


to attach the adjacent elongated precursor tubular cells


12


.




A fourth embodiment of the instant invention is depicted in

FIGS. 4A through 4E

. This embodiment is most closely analogous to the embodiment depicted in

FIGS. 2A through 2E

. The primary difference between these two embodiments is that in the fourth embodiment the first strip


14


and the second strip


16


touch along one longitudinal edge of each strip. In particular, the second longitudinal edge


24


of the second strip


16


is in contact with the first longitudinal edge


18


of the first strip


14


along all or substantially all of the respective longitudinal edges


24


,


18


. This close relationship between the first strip and the second strip


16


creates a seam


50


, which may be clearly seen in FIG.


4


E.




The elongated precursor tubular cell


12


depicted in

FIG. 4C

is formed much like the precursor tubular cell


12


depicted in

FIG. 2C

is formed. In particular, a series of creases are formed in the composite structure depicted in

FIG. 4B

until the tubular configuration depicted in

FIG. 4C

is obtained. Once the three crease pairs


38


,


40


,


42


have been formed in the composite structure depicted in

FIG. 4B

, the carrier strip


26


is no longer visible to someone viewing one of the elongated precursor tubular cells


12


of the resultant honeycomb panel


10


, since the series of folds have resulted in the carrier strips


26


being enclosed in the interior of the elongated precursor tubular cells


12


. This is particularly true for this embodiment wherein the first strip


14


and the second strip


16


are placed closely together, leaving little, if any, of the carrier strip


26


visible through the seam


50


.




The honeycomb panel


10


that is ultimately used as a cover for an architectural opening is formed by attaching a plurality of elongated precursor tubular cells


12


to each other as depicted in

FIGS. 4D and 4E

. As discussed above with regard to the previous three embodiments, two adjacent elongated precursor tubular cells


12


are attached by applying adhesive beads


44


,


46


along the top portion of one elongated precursor tubular cell


12


and pressing an adjacent elongated precursor tubular cell


12


onto the adhesive beads


44


,


46


. In particular, the adhesive beads


44


,


46


are applied in the fourth embodiment adjacent the seam


50


. The adhesive bead


44


is applied to the exterior surface of the first strip


14


near the first longitudinal edge


18


of that strip. Similarly, the adhesive bead


46


is applied to the exterior surface of the second strip


16


near its second longitudinal edge


24


. Once the beads of adhesive


44


,


46


have been applied, the first extended portion


34


and the second extended portion


36


of an adjacent elongated precursor tubular cell


12


are forced into contact with adhesive beads


46


,


44


, respectively.




A particularly preferred method of making the cellular panels


10


described above is in accordance with the disclosure of U.S. Pat. No. 4,450,027, the disclosure of which has been hereby incorporated by reference. The apparatus and method disclosed in the '027 patent folds the composite material depicted in

FIGS. 1B

,


2


B,


3


B, and


4


B. In other words, using the method and apparatus disclosed in the '027 patent, honeycomb panels


10


could be formed using multiple types of material for each elongated precursor tubular cell


12


. The apparatus described in the '027 patent makes only one pair of creases in the material. That pair of creases corresponds to the creases


40


depicted, for example, in

FIGS. 1C

,


2


C,


3


D, and


4


C. The creases


38


and the creases


42


are subordinate to the creases


40


. In other words, a honeycomb panel


10


can be formed without the crease pairs


38


and


42


, with only the crease pairs


40


being present. Similarly, it will be appreciated that, although pleats or creases maybe preferred, they are not necessary, and the scope of the invention should be interpreted to incorporate uncreased structures and partially creased structures. This is true for each of the four embodiments described herein. Additionally, a hexagonal structure is shown, but any shape of structure is contemplated.




Although four embodiments of this invention have been described above, those skilled in the art could make numerous alterations to the disclosed embodiments without departing from the spirit or scope of this invention. For example, although the first strip


14


and second strip


16


in each of the embodiments are approximately the same width, this need not be the case. An important feature in this invention is that different types of material may be united using a carrier strip


26


to form one or more of the individual, elongated precursor tubular cells


12


that are subsequently interconnected to form the resultant honeycomb panel


10


. For example, an aesthetically pleasing fabric maybe used as the first strip


14


, which, in the resulting honeycomb panel


10


, would face toward the interior of a room. A less expensive fabric could be used for the second strip


16


if this second strip


16


is not in plain view of someone observing the resultant honeycomb panel


10


in position over an architectural opening. Also, although the honeycomb panel


10


depicted in the figures is oriented such that it expands and contracts vertically, it could be hung such that it would expand and contract horizontally without departing from the scope of this invention. It is intended that all matter contained in the above description or shown in the accompanying drawings shall be interpreted as illustrative only and not limiting.



Claims
  • 1. A method of manufacturing an expandable and contractible honeycomb panel comprising a plurality of parallel rows of elongated precursor tubular cells, said precursor tubular cells being constructed of a foldable and creasable material, said method comprising the steps of(a) placing a first strip of material parallel to a second strip of material wherein said first strip and said second strip are coplanar in a first plane; (b) joining said first strip and said second strip with a carrier strip, wherein said carrier strip defines a second plane different from said first plane; (c) shaping the combination of said first strip, said second strip, and said carrier into a multi-layered precursor tubular cell with said first strip of material and said second strip of material on an exterior of said precursor tubular cell; (d) repeating steps (a) through (c) to create a plurality of precursor tubular cells; and (e) connecting said plurality of precursor cells one to another to form said honeycomb panel.
  • 2. A method of manufacturing an expandable and contractible honeycomb panel comprising a plurality of parallel rows of elongated precursor tubular cells, said precursor tubular cells being constructed of a foldable and creasable material, said method comprising the steps of(a) placing a first strip of material parallel to a second strip of material; (b) arranging said first strip in an overlapping relationship with a carrier strip creating an overlapping portion of said first strip; (c) joining said first strip with said carrier strip along an entire area of said overlapping portion of said first strip; (d) arranging said second strip in an overlapping relationship with said carrier strip creating an overlapping portion of said second strip; (e) joining said second strip with said carrier strip along an entire area of said overlapping portion of said second strip; (f) folding said first strip, said second strip, and said carrier strip into a precursor tubular cell with said first strip of material and said second strip of material on an exterior of said precursor tubular cell; (g) repeating steps (a) through (f) to create a plurality of precursor tubular cells; and (h) connecting said plurality of precursor cells one to another to form said honeycomb panel.
  • 3. The method of claim 1, wherein said joining step comprises heat lamination.
  • 4. The method of claim 1, wherein said joining step comprises application of an adhesive.
  • 5. The method of claim 3 or 4, wherein said carrier strip comprises a first extended portion and a second extended portion, and wherein said connecting step further comprises applying an adhesive to an exterior of said first and second extended portions to affix adjacent precursor tubular cells one to another.
  • 6. The method of claim 3 or 4, wherein said carrier strip is not as wide as the combination of a width of said first strip and a width of said second strip, and wherein, after said folding step, a first free edge of said precursor tubular cell is adjacent to a second free edge of said precursor tubular cell, and wherein said connecting step further comprises applying an adhesive to an exterior of said first and second free edges to affix adjacent precursor tubular cells one to the other.
  • 7. A method of manufacturing an expandable and contractible honeycomb panel comprising a plurality of parallel rows of elongated precursor tubular culls, each of said precursor tubular cells being constructed of a foldable and creasable material, said method comprising the steps of(a) selecting a first strip of material having a first length; (b) selecting a second strip of material having a second length, wherein said second length is equal to said first length; (c) arranging said second strip of material parallel to and in side-by-side relationship with said first strip of material; (d) selecting a carrier strip of material; (e) arranging said first strip in an overlapping relationship with said carrier strip creating an overlapping portion of said first strip; (f) joining said first strip with said carrier strip along an entire area of said overlapping portion of said first strip; (g) arranging said second strip in an overlapping relationship with said carrier strip creating an overlapping portion of said second strip; (h) joining said second strip with said carrier strip along an entire area of said overlapping portion of said second strip; (i) shaping said first strip, said second strip, and said carrier strip to form said precursor tubular cell; (j) repeating steps (a) through (i) to create a plurality of precursor tubular cells; and (k) connecting said plurality of precursor cells to form said honeycomb panel.
  • 8. The method of claim 7, wherein, for each precursor tubular cell, said first strip of material has a first longitudinal edge and said second strip of material has a second longitudinal edge, and wherein said step (c) further comprises arranging said second strip of material so that said first longitudinal edge of said first strip of material is touching said second longitudinal edge of said second strip of material along said first longitudinal edge.
  • 9. The method of claim 7, wherein for each precursor tubular cell, said first strip of material has a first width and said second strip of material has a second width, and wherein said step (b) further comprises selecting a second strip such that said second width is equal to said first width.
  • 10. The method of claim 7, wherein, for each precursor tubular cell, said first strip of material has a first width, said second strip of material has a second width, and said carrier strip has a third width, and wherein step (d) further comprises selecting a carrier strip such that said third width is wider than a combination of said first width and said second width.
  • 11. The method of claim 10, wherein said step (b) further comprises selecting a second strip such that said second width is equal to said first width.
  • 12. The method of claim 7, wherein, for each precursor tubular cell, said first strip of material has a first width, said second strip of material has a second width, and said carrier strip has a third width, and wherein said step (d) further comprises selecting a carrier strip such that said third width is narrower than a combination of said first width and said second width.
  • 13. The method of claim 12, wherein said step (b) further comprises selecting a second strip such that said second width is equal to said first width.
  • 14. The method of claim 7, wherein said steps (a) and (b) further comprise selecting said first strip of material and said second strip of material from the group consisting of polymer film, metallized fabric, nonwoven fabric, woven fabric, and knit fabric.
  • 15. The method of claim 14, wherein said step (d) further comprises selecting said carrier strip from the group consisting of a thermoplastic film and a polyurethane film.
  • 16. A method of manufacturing an expandable and contractible honeycomb panel, said method comprising the steps of(a) forming a first elongated precursor tabular cell by (i) selecting a first strip of a first foldable and creasable material, said first strip having a first length; (ii) selecting a second strip of a second foldable and creasable material, said second strip having a second length equal to said first length; (iii) arranging said second strip of material parallel to said first strip of material; (iv) selecting a first carrier strip; (v) arranging said first strip in an overlapping relationship with said first carrier strip creating an overlapping portion of said first strip; (vi) joining said first strip with said first carrier strip along an entire area of said overlapping portion of said first strip; (vii) arranging said second strip in an overlapping relationship with said first carrier strip creating an overlapping portion of said second strip; (viii) joining said second strip with said first carrier strip along an entire area of said overlapping portion of said second strip; (ix) shaping said joined first strip, second strip, and first carrier strip to form said first elongated precursor tubular cell; (b) forming a second elongated precursor tubular cell by (i) selecting a third strip of a third foldable and creasable material, said third strip having a third length equal to said first length; (ii) selecting a fourth strip of a fourth foldable and creasable material, said fourth strip having a fourth length equal to said first length; (iii) arranging said fourth strip of material parallel to said third strip of material; (iv) selecting a second carder strip; (v) arranging said third strip in an overlapping relationship with said second carrier strip creating an overlapping portion of said third strip; (vi) joining said third strip with said second carrier strip along an entire area of said overlapping portion of said third strip; (vii) arranging said fourth strip in an overlapping relationship with said second carrier strip creating an overlapping portion of said forth strip; (viii) joining said fourth strip with said second carrier strip along an entire area of said overlapping portion of said fourth strip; (ix) aping said joined third strip, fourth strip, and second carrier strip to form said second elongated precursor tubular cell; (c) arranging said second elongated precursor tubular cell parallel to and on a top of said first elongated precursor tubular cell; and (d) connecting said second elongated precursor tubular cell to said first elongated precursor tubular cell to form said honeycomb panel.
  • 17. The method of claim 16, wherein said step (a)(i) further comprises selecting a first strip of a first foldable and creasable material that is different from at least one of said third foldable and creasable material selected in said step (b)(i) and said fourth foldable and creasable material selected in said step (b)(ii).
  • 18. The method of claim 16 or 17, wherein said steps (a)(i), (a)(ii), (b)(i), and (b)(i) further comprise selecting said first, second, third, and fourth strips of material from the group consisting of polymer film, metallized fabric, nonwoven fabric, woven fabric, and knit fabric.
  • 19. The method of claim 18, wherein said steps (a)(iv) and (b)(iv) further comprises selecting said first and second carrier strips from the group consisting of a thermoplastic film and a polyurethane film.
  • 20. The method of claim 16, wherein said first and third strips of material each has a first width, said second and fourth strips of material each has a second width, and said first and second carrier strips each has a third width, and further wherein each of said steps (a)(iv) and (b)(iv) further comprises selecting carrier strip wherein said third width is wider than a combination of said first width and said second width.
  • 21. The method of claim 16, wherein said first and second strips of material each has a first width, said second and fourth strips of material each has a second width, and said first and second carrier strips each has a third width, and further wherein each of said steps (a)(iv) and (b)(iv) further comprises selecting carrier strips wherein said third width is narrower than a combination of said first width and said second width.
  • 22. The method of claim 21, wherein said first strip comprises a second longitudinal edge including a second extended portion, wherein said second strip comprises a first longitudinal edge including a first extended portion, and wherein said step (d) further comprises connecting said respective extended portions of said first and second strips to said second carrier strip.
  • 23. The method of claim 21, wherein said first strip comprises a second longitudinal edge including a second extended portion, wherein said second strip comprises a first longitudinal edge including a first extended portion, and wherein said step (d) further comprisesconnecting said second extended portion of said first strip to said third strip; and connecting said first extended portion of said second strip to said fourth strip.
  • 24. The method of any one of claims 20, or 21-23, wherein said step (a)(i) further comprises selecting a first strip of a first foldable and creasable material that is different from at least one of said third foldable and creasable material selected in said step (b)(i) and said fourth foldable and creasable material selected in said step (b)(ii).
  • 25. The method of claim 21, wherein said steps (a)(i), (a)(ii), (b)(i), and (b)(ii) further comprise selecting said first, second, third, and fourth strips of material from the group consisting of polymer film, metallized fabric, nonwoven fabric, woven fabric, and knit fabric.
  • 26. The method of claim 25, wherein said steps (a)(iv) and (b)(iv) further comprises selecting said first and second carrier strips from the group consisting of a thermoplastic film and a polyurethane film.
  • 27. A method of manufacturing an expandable and contractible honeycomb panel comprising a plurality of parallel rows of elongated precursor tubular cells, each of said precursor tubular cells being constructed of a foldable and creasable material, said method comprising the steps of(a) selecting a first strip of material having a first length; (b) selecting a second strip of material having a second length, wherein said second length is equal to said first length; (c) arranging said second strip of material parallel to and in side-by-side relationship with said first strip of material; (d) selecting a carrier strip of material; (e) joining said first strip and said second strip using said carrier strip; (f) shaping the combination of said first strip, said second strip, and said carrier strip to form said precursor tubular cell; (g) repeating steps (a) through (f) to create a plurality of precursor tubular cells; and (h) connecting said plurality of precursor cells to form said honeycomb panel, wherein, for each precursor tubular cell, said first strip of material has a first longitudinal edge and said second strip of material has a second longitudinal edge, and wherein said step (c) further comprises arranging said second strip of material so that said first longitudinal edge of said first strip of material is touching said second longitudinal edge of said second strip of material along said first longitudinal edge.
  • 28. The method of claim 27 wherein, for each precursor tubular cell, said first strip of material has a first width and said second strip of material has a second width, and wherein said step (b) further comprises selecting a second strip such that said second width is equal to said first width.
  • 29. The method of claim 27, wherein, for each precursor tubular cell, said first strip of material has a first width, said second strip of material has a second width, and said carrier strip has a third width, and wherein step (d) further comprises selecting a carrier strip such that said third width is wider than a combination of said first width and said second width.
  • 30. The method of claim 29, wherein said step (b) further comprises selecting a second strip such that said second width is equal to said first width.
  • 31. The method of claim 29, wherein, for each precursor tubular cell, said first strip of material has a first width, said second strip of material has a second width, and said carrier strip has a third width, and wherein said step (d) further comprises selecting a carrier strip such that said third width is narrower than a combination of said firs t width and said second width.
  • 32. The method of claim 31, wherein said step (b) further comprises selecting a second strip such that said second width is equal to said first width.
  • 33. A method of manufacturing an expandable and contractible honeycomb panel, said method comprising the steps of(a) forming a first elongated precursor tubular cell by (i) selecting a first strip of a first foldable and creasable material, said first strip having a first length; (ii) selecting a second strip of a second foldable and creasable material, said second strip having a second length equal to said first length; (iii) arranging said second strip of material parallel to said first strip of material; (iv) selecting a first carrier strip; (v) joining said first strip and said second strip using said first carrier strip; (vi) shaping said joined first strip, second strip, and first carrier strip to form said first elongated precursor tubular cell; (b) forming a second elongated precursor tubular cell by (i) selecting a third strip of a third foldable and creasable material, said third strip having a third length equal to said first length; (ii) selecting a fourth strip of a fourth foldable and creasable material, said fourth strip having a fourth length equal to said first length; (iii) arranging said fourth strip of material parallel to said third strip of material; (iv) selecting a second carrier strip; (v) joining said third strip and said fourth strip using said second carrier strip; (vi) shaping said joined third strip, fourth strip, and second carrier strip to form said second elongated precursor tubular cell; (c) arranging said second elongated precursor tubular cell parallel to and on a top of said first elongated precursor tubular cell; and (d) connecting said second elongated precursor tubular cell to said first elongated precursor tubular cell to form said honeycomb panel, wherein said first and third strips of material each has a first width, said second and fourth strips of material each has a second width, and said first and second carrier strips each has a third width, and further wherein each of said steps (a)(iv) and (b)(iv) further comprises selecting said first carrier strip and said second carrier strip, respectively, wherein said third width is wider than a combination of said first width and said second width, further wherein said first carrier strip comprises a first longitudinal edge including a first extended portion; and a second longitudinal edge including a second extended portion, and said step (d) further comprises connecting said extended portions of said first carrier strip to said second carrier strip.
  • 34. A method of manufacturing an expandable and contractible honeycomb panel, said method comprising the steps of(a) forming a first elongated precursor tubular cell by (i) selecting a first strip of a first foldable and creasable material, said first strip having a first length; (ii) selecting a second strip of a second foldable and creasable material, said second strip having a second length equal to said first length; (iii) arranging said second strip of material parallel to said first strip of material; (iv) selecting a first carrier strip; (v) joining said first strip and said second strip using said first carrier strip; (vi) shaping said joined first strip, second strip, and first carrier strip to form said first elongated precursor tubular cell; (b) forming a second elongated precursor tubular cell by (i) selecting a third strip of a third foldable and creasable material, said third strip having a third length equal to said first length; (ii) selecting a fourth strip of a fourth foldable and creasable material, said fourth strip having a fourth length equal to said first length; (iii) arranging said fourth strip of material parallel to said third strip of material; (iv) selecting a second carrier strip; (v) joining said third strip and said fourth strip using said second carrier strip; (vi) shaping said joined third strip, fourth strip, and second carrier strip to form said second elongated precursor tubular cell; (c) arranging said second elongated precursor tubular cell parallel to and on a top of said first elongated precursor tubular cell; and (d) connecting said second elongated precursor tubular cell to said first elongated precursor tubular cell to form said honeycomb panel, wherein said first and third strips of material each has a first width, said second and fourth strips of material each has a second width, and said first and second carrier strips each has a third width, and further wherein each of said steps (a)(iv) and (b)(iv) further comprises selecting said first carrier strip and said second carrier strip, respectively, wherein said third width is wider than a combination of said first width and said second width, further wherein said first carrier strip comprises a first longitudinal edge including a first extended portion; and a second longitudinal edge including a second extended portion, and wherein said step (d) further comprises connecting said second extended portion of said first carrier strip to said third strip; and connecting said first extended portion of said first carrier strip to said fourth strip.
  • 35. The method of claim 33 or 34, wherein said step (a)(i) further comprises selecting a first strip of a first foldable and creasable material that is different from at least one of said third foldable and creasable material selected in said step (b)(i) and said fourth foldable and creasable material selected in said step (b)(ii).
  • 36. The method of claim 35, wherein said steps (a)(i), (a)(ii), (b)(i), and (b)(ii) further comprise selecting said first, second, third, and fourth strips of material from the group consisting of polymer film, metallized fabric, nonwoven fabric, woven fabric, and knit fabric.
  • 37. The method of claim 36, wherein said steps (a)(iv) and (b)(iv) further comprises selecting said first and second carrier strips from the group consisting of a thermoplastic film and a polyurethane film.
CROSS-REFERENCE TO RELATED APPLICATIONS

This application is a division of application Ser. No. 09/014,460, filed Jan. 28, 1998, now U.S. Pat. No. 6,103,336, which application is hereby incorporated by reference as though fully set forth herein.

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