The present invention is directed to water resistant handwear and to methods of forming the water resistant handwear.
A first example embodiment of the invention is a method for forming handwear which is water resistant and breathable. The method first generally includes the steps of: providing a shell sized for positioning over the hand of a user, said shell having a shell outer surface which is the outer surface of said handwear and a shell inner surface opposite the shell outer surface; and providing a liner formed of a material configured to inhibit the transfer of heat, said liner having a liner outer surface for positioning against the hand of a user and a liner inner surface opposite the liner outer surface. The method also includes the step of providing an insert that is water resistant and breathable, the insert having a first surface orientable towards the shell inner surface and a second surface orientable towards the liner inner surface. A heat activated adhesive is applied on at least one of the liner inner surface and the second surface of the insert and on at least one of the shell inner surface and the first surface of the insert. The insert is then assembled with the liner and the shell so that the second surface of the insert is adjacent to the liner inner surface and the first surface of the insert is adjacent to the shell inner surface. Finally, the assembled shell, insert, and liner are heated to activate the heat activated adhesive to bond the insert to each of the shell and the liner.
In various embodiments of the invention the adhesive is applied to only select areas between the shell or liner and the insert. For example, in one embodiment said heat activated adhesive is applied to portions of the liner and to portions of the shell that are to be oriented toward the palm of the user while in another embodiment said heat activated adhesive is applied to portions of the liner and to portions of the shell that are to be oriented toward the side of the handwear opposite the palm of the user. In another embodiment said heat activated adhesive is applied to the portion of the liner and to the portion of the shell to be oriented toward the fingers of the user. In yet another embodiment said heat activated adhesive is applied to the side portions or side panels of the finger portions of the shell and liner.
The heat activated adhesive is preferably powder or liquid prior to being heated and solid after being heated so that the adhesive does not prevent the insert from moving with respect to the shell and liner until the adhesive is activated to bond the layers. This allows wrinkles and folds to be removed from the liner and to assure proper alignment of the parts. For example, the heat activated adhesive may need to be heated to a temperature from about 150 degrees Fahrenheit or more for a period of time from about 5 seconds to about 45 seconds to completely activate the adhesive and bond the layers.
Thus, the above example embodiment may preferably include the step of smoothing the insert between the shell and liner to remove folds or gathers in the insert prior to completely heating the assembled shell, insert, and liner to activate the heat activated adhesive to bond the insert to each of the shell and the liner.
In another variation of this embodiment the handwear is a glove and said shell and said liner each include at least two finger portions having side portions therebetween. The heat activated adhesive is preferably applied to these side portions because folds or poor breathability caused by adhesives are less of a concern in those areas. In one embodiment the adhesive is applied exclusively to the thumb and side portions of the fingers. In another embodiment the side portions are assembled side panels, or fourchettes, used to form a desired shape of the glove.
In another variation of this embodiment, the step of providing a shell further comprises providing said shell configured with the outer surface oriented inwardly and the inner surface oriented outwardly; the step of applying said heat activated adhesive to said shell inner surface further comprises applying said heat activated adhesive to portions of said inner surface of said shell; and the step of assembling the shell with the insert and the liner comprises reconfiguring said shell with the outer surface oriented outwardly and the inner surface oriented inwardly with said inner surface of said shell oriented toward and adjacent said first surface of said insert.
Another preferred embodiment of the invention is a glove. The glove preferably includes: a liner formed of a material configured to inhibit the transfer of heat, said liner having a liner outer surface for positioning against the hand of a user and a liner inner surface opposite the liner outer surface, said liner being formed to have a palm portion for orientation proximate the palm of a user and with thumb and finger portions sized to receive the thumb and fingers of a user, the finger portions having respective side portions adjacent one another; a shell having an inner surface and an opposite outer surface oriented outwardly, said shell being formed to have a palm portion for orientation proximate the palm of a user and with thumb and finger portions sized to receive the thumb and fingers of a user, at least one of said finger portions having respective side portions adjacent one another; an insert that is water resistant and breathable, the insert having a first surface oriented towards the shell inner surface and a second surface oriented towards the liner inner surface; a first portion of heat activated adhesive bonding said side portions of said inner surface of said shell to said second surface of said insert; and a second portion of heat activated adhesive bonding said fourchette of said inner surface of said liner to said first surface of said insert.
As used herein, “at least one,” “one or more,” and “and/or” are open-ended expressions that are both conjunctive and disjunctive in operation. For example, each of the expressions “at least one of A, B and C,” “at least one of A, B, or C,” “one or more of A, B, and C,” “one or more of A, B, or C” and “A, B, and/or C” means A alone, B alone, C alone, A and B together, A and C together, B and C together, or A, B and C together.
Various embodiments of the present inventions are set forth in the attached figures and in the Detailed Description as provided herein and as embodied by the claims. It should be understood, however, that this Summary does not contain all of the aspects and embodiments of the one or more present inventions, is not meant to be limiting or restrictive in any manner, and that the invention(s) as disclosed herein is/are and will be understood by those of ordinary skill in the art to encompass obvious improvements and modifications thereto.
Additional advantages of the present invention will become readily apparent from the following discussion, particularly when taken together with the accompanying drawings.
To further clarify the above and other advantages and features of the present invention, a more particular description of the invention will be rendered by reference to specific embodiments thereof which are illustrated in the appended drawings. It is appreciated that these drawings depict only typical embodiments of the invention and are therefore not to be considered limiting of its scope. The invention will be described and explained with additional specificity and detail through the use of the accompanying drawings in which:
The drawings are not necessarily to scale.
Reference will now be made to the drawings to describe various aspects of exemplary embodiments of the invention. It is to be understood that the drawings are diagrammatic and schematic representations of such exemplary embodiments, and are not limiting of the present invention, nor are they necessarily drawn to scale.
In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. It will be obvious, however, to one skilled in the art that the present invention may be practiced without these specific details. In other instances, well-known aspects of fabrics, water resistant inserts, and methods of forming articles of clothing such as handwear have not been described in particular detail in order to avoid unnecessarily obscuring the present invention.
With reference now to
With reference now to
In each of
The finer 112, in turn, is preferably formed of a material configured to inhibit or slow the transfer of heat from a user's hand to the environment and provide comfort to a user's hand. Thus, the liner 112 has a liner outer surface 116 for positioning against the user's hand and a liner inner surface 114 opposite the liner outer surface 116. The liner 112 can also be formed of single or multilayer materials such as, by way of non-limiting example, fleece, fleece layered with neoprene, wool with Lycra®, and similar materials. Like the shell 102, the liner 112 is also preferably formed from multiple pieces as known to those skilled in the art of glove making, for example including either separate or unitary wrist, body, thumb, finger, and side panel (fourchette) regions, although a unitary liner 112 can be formed and used with certain embodiments of the invention.
Insert 106 provides water resistant and/or breathable characteristics to the handwear that are not imparted by the shell 102 or the liner 112. The insert 106 can be described as having a first surface 118 oriented towards the shell 102 and, more particularly, towards the shell inner surface 110. The insert 106 also has a second surface 120 oriented towards the liner 112 and, more particularly, towards the liner inner surface 114.
Suitable materials for the insert are preferably pliant and resistant to liquids such as water but breathable to air and vapor, such as perspiration. Preferred inserts are formed of a polyurethane, such as thermoplastic polyurethane material, and elastomers made from polyester, polyamides, and other suitable membranous material have the desired physical characteristics known in the art.
As illustrated in
According to the invention the heat activated adhesive is preferably not used to bond the insert 106 to the shell 102 and liner 112 at all the locations they are adjacent. This is because, while the heat activated adhesive layers 130, 132 maintains the structural integrity of the glove, it is less breathable than the other layers and may also cause undesirable folds or bunching in the insert 106, as will be discussed in further detail below.
In one example embodiment the heat activated adhesive is only used to bond the side portions, or the fourchette regions of the shell and liner, respectively, to adjacent sections of the insert. In another embodiment, the heat activated adhesive is used to bond the finger portions, including any individual fingers, if present, and thumb portion, if present, of the shell and the liner, respectively to the insert. In these embodiments in which the heat activated adhesive is applied to the fourchette, finger, and thumb portions, the heat activated adhesive is applied to substantially just those regions. Substantially just those regions means, in this instance, that while some overspray of adhesive may inadvertently be applied to other portions or regions of the handwear, such as the back hand portion or palm portion, an effort is made to prevent adhesive from being applied to those other regions or portions. In other words, the heat activated adhesive purposefully is not used on the back hand portion and/or the palm portion of the handwear or glove.
In embodiments where the adhesive is not used on the back hand portion or the palm portion of the handwear or glove, this increases the flexibility of the handwear because the insert can move with respect to the shell and the liner. In one embodiment of the invention the insert is formed with a back panel and a palm panel with the back panel being formed larger than the palm panel to further facilitate flexion of the glove as the glove is closed to a fist shape.
In yet another embodiment the heat activated adhesive is applied to part or all of the finger portions, thumb portions, and part or all of the palm section of the glove. In still further embodiments the adhesive is applied to regions of the back hand portion instead of the palm portion or palm side or to selected regions of the liner or shell, for example with the use of a stencil to predictably limit areas that receive the adhesive.
With reference now to
As illustrated in
The heat activated adhesive 204 is then applied with an adhesive applicator 208. In this embodiment the heat activated adhesive 204 is being applied to the liner inner surface 241 on the finger portions 236, including the fingers 244, the fourchette portions 248, and thumb portion 232 of the liner 212 on the palm side of the liner 212 only. The palm area 280 of the liner 212, however, is not receiving any heat activated adhesive 204. This will increase breathability in the back hand portion of the glove and the palm area 280 of the palm facing side of the liner 212 while obtaining a secure bonding of the heat activated adhesive 204 to the insert 206 in the finger portions 236 and thumb portion 232.
As discussed above, in another embodiment, the heat activated adhesive 204 only is applied to the side portions, or fourchette regions 224, 248 of the shell 202 and liner 212, respectively to adjacent sections of the insert 206 (
More generally, as best observable in
While the heat activated adhesive 204 is applied to the shell inner surface 220 and liner inner surface 241 in
Conventionally, water resistant insert/baggies 206 are typically formed to a much greater size than is necessary to accommodate folds and movements of the insert 206. This is not necessary due to the adhesive methods and structures disclosed herein. In contrast, preferred inserts 206 according to the invention are custom patterned and formed to much more closely match the size of the final glove. In addition, conventional water resistant gloves uses stitching at the fingertips of the glove to hold the insert and liner in place. This is not necessary with the adhesive methods and structures disclosed herein.
In
In
In a next step that is not shown, the inverted shell 202 of
Further embodiments include combining the shell 202 with the insert 206 first, and then joining the liner 212 as would be understood from this disclosure.
In
In
The target temperature is a temperature higher than that which is encountered by a user in normal activities but lower than the melt or burn temperatures of the other materials used to form the glove 300. The target time is determined by the adhesive material selected. In one preferred embodiment the handwear shaping mandrel, or iron, 800 and thumb shaping mandrel, or iron, 805 are heated to a range of from about 150 degrees Fahrenheit to about 250 degrees Fahrenheit for a period of from about 5 seconds to about 45 seconds. In another example the handwear shaping mandrel, or iron, 800 and thumb shaping mandrel, or iron, 805 are heated to a temperature of about 284 degrees Fahrenheit for about 30 seconds.
Finally, in
The one or more present inventions, in various embodiments, includes components, methods, processes, systems and/or apparatus substantially as depicted and described herein, including various embodiments, subcombinations, and subsets thereof. Those of skill in the art will understand how to make and use the present invention after understanding the present disclosure.
The present invention, in various embodiments, includes providing devices and processes in the absence of items not depicted and/or described herein or in various embodiments hereof, including in the absence of such items as may have been used in previous devices or processes, e.g., for improving performance, achieving ease and/or reducing cost of implementation.
The foregoing discussion of the invention has been presented for purposes of illustration and description. The foregoing is not intended to limit the invention to the form or forms disclosed herein. In the foregoing Detailed Description for example, various features of the invention are grouped together in one or more embodiments for the purpose of streamlining the disclosure. This method of disclosure is not to be interpreted as reflecting an intention that the claimed invention requires more features than are expressly recited in each claim. Rather, as the following claims reflect, inventive aspects lie in less than all features of a single foregoing disclosed embodiment. Thus, the following claims are hereby incorporated into this Detailed Description, with each claim standing on its own as a separate preferred embodiment of the invention.
Moreover, though the description of the invention has included description of one or more embodiments and certain variations and modifications, other variations and modifications are within the scope of the invention, e.g., as may be within the skill and knowledge of those in the art, after understanding the present disclosure. It is intended to obtain rights which include alternative embodiments to the extent permitted, including alternate, interchangeable and/or equivalent structures, functions, ranges or steps to those claimed, whether or not such alternate, interchangeable and/or equivalent structures, functions, ranges or steps are disclosed herein, and without intending to publicly dedicate any patentable subject matter.
This application claims the benefit of Provisional Application No. 60/990,610 filed Nov. 27, 2007, the entirety of which is incorporated herein by this reference for all purposes.
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