The present disclosure is generally directed towards systems and methods for acoustic absorption. More specifically, the disclosure relates to systems and methods for providing sound dampening, wherein the sound absorption system is able to be sterilized and/or prevent absorption of microbes and other contaminants into the sound absorbing medium.
The embodiments disclosed herein will become more fully apparent from the following description and appended claims, taken in conjunction with the accompanying drawings. These drawings depict only typical embodiments, which will be described with additional specificity and detail through use of the accompanying drawings in which:
The embodiments of the present disclosure are generally directed towards systems and methods for acoustic absorption. Systems for providing sound absorption can reduce confusion, strain, anxiety, and miscommunication. Absorbing and/or controlling sound can also improve privacy, as the volume of a conversation can be dampened and/or reduced as it travels from one area to another. In some environments, sound absorption under sanitary conditions is particularly important, such as in medical facilities and laboratories. However, acoustic media generally comprise a porous material such as carbon fiber, polyurethane, polyester, fiberglass, other fibrous material, or other foam material. This can be especially problematic when contamination is a concern in the environment because porous materials create a location for contaminants to reside that is protected from many cleaning materials. Additionally, porous material can retain odor causing contaminants that may be unpleasant.
In a medical facility, for example, contaminants such as bacteria and viruses can spread diseases. In a laboratory, as another example, contaminants can affect experiments and procedures. In a restroom, as yet another example, contaminants can affect the odor of the room. The sound absorption systems within the scope of this disclosure may be sanitizable and not contaminant absorptive, and may be used, for example, within the environments as discussed above. As further detailed below, the sound absorption systems within the scope of this disclosure can also exhibit antimicrobial properties. The sound absorption systems can also be tear and/or flame resistant.
Embodiments may be best understood by reference to the drawings, wherein like parts are designated by like numerals throughout. It will be readily understood that the components of the present disclosure, as generally described and illustrated in the drawings herein, could be arranged and designed in a wide variety of different configurations. Thus, the following more detailed description of the embodiments of the apparatus is not intended to limit the scope of the disclosure, but is merely representative of possible embodiments of the disclosure. In some cases, well-known structures, materials, or operations are not shown or described in detail. While the various aspects of the embodiments are presented in drawings, the drawings are not necessarily drawn to scale unless specifically indicated.
The phrases “connected to,” “coupled to,” and “in communication with” refer to any form of interaction between two or more entities, including but not limited to mechanical, electrical, magnetic, electromagnetic, fluid, and thermal interaction. Two components may be coupled to each other even though they are not in direct contact with each other. For example, two components may be coupled to each other through an intermediate component.
The panels 120 of the curtain 110 can be made of various types materials. In some embodiments, for example, the panels 120 comprise material that is sanitizable. In such embodiments, the panels 120 can be cleaned or cleansed, e.g., with water, soap, disinfectants (e.g., phenolic disinfectants), and/or other types of cleaners (e.g., bleach).
Cleanable and/or sanitizable panels 120 can be advantageous in many ways. For example, cleanable and/or sanitizable panels 120 can be economically advantageous when compared to disposable curtains that are disposed of after being used for a period of time. The cleanable and/or sanitizable panels 120 disclosed herein can also be wiped and/or otherwise cleaned in place (e.g., while remaining hung or draped from a wall or ceiling in an environment). In other words, the curtain 110 need not be removed for washing and/or laundering. Such clean-in-place curtains 110 can minimize and/or save on cleaning time and costs when compared to curtains that need to be removed (e.g., taken down), washed, and reinstalled on a reoccurring basis.
The material of the panels 120 can also be non-absorbent or substantially non-absorbent. The material of the panels 120 can also be resistant to staining. For example, the panels 120 can be resistant to stains from oils, greases, and/or other contaminants (e.g., blood and/or other bodily fluids). Stain resistance can also be advantageous and save on replacement costs for the curtains 110.
In further embodiments, the material of the panels 120 also exhibits antimicrobial properties. For example, the panels 120 can comprise antimicrobial agents that kill and/or inhibit the growth of microorganisms such as bacteria, fungi, etc. The panels 120 can also be odor resistant. For example, the panels 120 can be resistant to odors that arise from bacteria (or bacterial growth). As previously mentioned, the panels 120 are also non-absorbent or substantially non-absorbent, such that other odor sources are not absorbed (or substantially absorbed) into the panels 120. In some embodiments, the panels 120 comprise a material that exhibits antimicrobial properties in accordance with ISO 22196. In other words, the material achieves a pass rating when tested in accordance with ISO 22196.
In yet further embodiments, the panels 120 are also flame resistant. For example, the panels 120 can comprise a material (e.g., a fabric) that is flame resistant, or resistant to combustion. A flame resistant material can also be a material that is resistant to burning. For example, a flame resistant material can exhibit self-extinguishing properties such that it ceases to burn once a flame or heat source is removed from its vicinity. In some embodiments, the panels 120 comprise a material that is flame resistant in accordance with ASTM D6413. In other words, the material achieves a pass rating when tested in accordance with ASTM D6413.
The material of the panels 120 can also be strong, such that it is not easily torn or damaged. For example, the panels 120 can withstand cleaning and/or wiping procedures without being damaged or degraded by cleaning agents. And in still further embodiments, the panels 120 exhibit antistatic properties, such that they are resistant to the build-up of electrostatic charge.
In certain embodiments, the panels 120 comprise a polymeric material. Exemplary polymeric materials that can be used include polyethylene, polyethylene terephthalate (polyester), vinyls or polyvinyls (e.g., polyvinyl chloride, polyvinyl fluoride, etc.) including medical grade vinyls, copolymers, and/or blends thereof.
As further shown in
The panels 120 and curtain 110 are also flexible and/or non-rigid. In some embodiments, such as the embodiment depicted in
As shown in
For example, in one embodiment, an insulating or sound absorbing sheet 140 can be disposed between two faces 121, 123 or segments of material. The faces 121, 123 or segments of material can then be coupled or joined on one, two, three, or four sides of the insulating or sound absorbing sheet 140, which can then retain, enclose, or encapsulate the insulating or sound absorbing sheet 140. In a particular embodiment, the faces 121, 123 or segments of material are joined by a stitching element. In another embodiment, the faces 121, 123 or segments of material are joined by an adhesive. And in another embodiment, the faces 121, 123 or segments of material are joined by seals, such as heat seals or heat welds. The stitching element, adhesive, and/or seals (e.g., heat seals) can extend around a perimeter or a periphery of the insulating or sound absorbing sheet 140, or only a portion thereof as desired. In other embodiments, a portion of the compartment can be formed first (such as into a three-sided pocket-like structure), after which an insulating or sound absorbing sheet 140 can be disposed therein. As can be appreciated, the dashed line 129 which can represent the boundaries of a compartment 130, can also represent a stitching element or seal (e.g., heat seal), which can be continuous or discontinuous.
The insulating or sound absorbing sheet 140 can include various types of materials. Exemplary materials, include, but are not limited to, cotton, polyester, wool, rayon, hemp, burlap, other plant-based fabrics, and plastics.
The insulating sheet 140 can also comprise materials of various densities. In some embodiments, the insulating sheet 140 comprises multiple regions of material having different and distinct densities. Different densities of material can have different sound absorption capabilities and may target various frequency ranges of sounds. In some embodiments, the insulating sheet 140 comprises a material having a density of between about 1 and about 6 lb/ft3, between about 2 and about 5 lb/ft3, between about 3 and about 5 lb/ft3, or between about 4 and about 5 lb/ft3. In further embodiments, the insulating sheet 140 comprises a material having a density of about 4.5 lb/ft3. And in yet further embodiments, the insulating sheet 140 comprises a material having a density of no greater than about 6 lb/ft3, no greater than about 5 lb/ft3, or no greater than about 4.5 lb/ft3.
Various thicknesses of insulating sheets 140 can also be used. For example, in some embodiments, the thickness of the insulating sheet 140 is between about ¼ inch and about 1 inch, or between about ¼ inch and about ¾ inch. In further embodiments, the thickness of the insulating sheet 140 is about ½ inch.
As shown in
The curtain 210 can be coupled to the extension member 250 in various ways. For example, in certain embodiments, the curtain 210 is coupled at a coupling region 260 using a permanent fastener such as a stitching element. Other types of permanent fasteners can be used, including, but not limited to, staples, adhesives, seals (e.g., heat seals), etc. Permanent fasteners can be configured to permanently couple the curtain 210 to the extension member 250.
In other embodiments, the curtain 210 is coupled at a coupling region 260 using a temporary fastener such as a zipper element. Other types of temporary fasteners can also be used, including, but not limited to hook and hook fasteners, and hook and loop fasteners. Temporary fasteners can be configured to temporarily couple the curtain 210 to the extension member 250. For example, a temporary fastener can be configured such that the curtain 210 can be removed from the extension member 250 at a user's discretion. As can be appreciated, one portion of the fastener (e.g., zipper, hook and hook closure, etc.) can be disposed on the curtain 210, while a second complementary portion of the fastener can be disposed on the extension member 250.
In some embodiments, temporary fasteners can be advantageous. For example, curtains 210 using a temporary fastener can be easily removed, while leaving the extension member 250 coupled to the rail, mount, wall, and/or ceiling structure 255. For example, a curtain 210 can be removed for cleaning (e.g., wiping), and later recoupled to the extension member 250. As another example, a first curtain 210 can be uncoupled from the extension member 250 and replaced with a second curtain 210, which is then coupled to the extension member 250.
Methods of making and/or using the acoustic absorption systems are also disclosed herein. In particular, it is contemplated that any of the components, principles, and/or embodiments discussed above may be utilized in either an acoustic absorption system or a method of making and/or using the same. An illustrative method of using an acoustic absorption system, according to one embodiment of the present disclosure, is depicted in
In some embodiments, the method includes a step of obtaining an acoustic absorption system 500 comprising a flexible curtain 510 as disclosed herein. The method can further include a step of disposing the acoustic absorption system 500 (e.g., such as from a ceiling or mounting structure) in an area 570 such that the acoustic absorption system 500 divides the area 570 into a first sub-area 572 and a second sub-area 574. When disposed in such a manner, the acoustic absorption system 500 can be configured to dampen, absorb, or otherwise reduce the volume of a sound (such as a sound from a conversation, or a sound from a device (e.g., tv, radio, equipment, etc.), etc.) originating in either the first or second sub-area 572, 574. For example, the acoustic absorption system 500 can be configured to at least partially absorb sound, dampen, or otherwise reduce the volume of a sound traveling from the first sub-area 572 into the second sub-area 574, and vice versa. The acoustic absorption system 500 can also be configured to at least partially reflect sound, thereby at least partially retaining the sound within the sub area 572, 574 in which the sound is originated.
In certain embodiments, the method can also include a step of cleaning or sanitizing the acoustic absorption system, optionally while the acoustic absorption system remains in place. The method can also include a step of removing the acoustic absorption system, such as uncoupling the flexible curtain from an extension member, and recoupling the flexible curtain with the extension member (or coupling a second flexible curtain with the extension member). Additional steps, and/or methods, can also be employed.
An illustrative method of making an acoustic absorption system can include a step of forming a panel that comprises an insulating or sound absorbing sheet. For example, in one embodiment, an insulating or sound absorbing sheet or material can be disposed between two faces or segments of panel forming material. The faces or segments of panel forming material can then be coupled or joined to one another. For instance, the faces or segments of panel forming material can be joined on one, two, three, or four sides of the insulating or sound absorbing sheet to form at least a portion of a boundary or perimeter around the insulating or sound absorbing sheet. In certain embodiments, the faces or segments are joined such that the insulating or sound absorbing sheet is retained, enclosed, or encapsulated by the material of the panel.
The segments of panel forming material can be joined in various ways, such as by a stitching element, an adhesive, or a seal (e.g., a heat seal). The segments of panel forming material can also be joined continuously around the perimeter or periphery of the insulating or sound absorbing sheet, or intermittently at spaced apart regions.
In another illustrative method, the segments of panel forming material can be joined (e.g., with a stitching element, adhesive, and/or seals (e.g., heat seals)) to form a portion of a compartment prior to disposing the insulating or sound absorbing sheet therein. For instance, a two or three-sided pocket like structure can be formed, after which an insulating or sound absorbing sheet can be disposed therein. Optionally, the remaining portion of the perimeter or periphery can thereafter be closed or sealed if desired. Additional steps, and/or methods, can also be employed.
As can be appreciated, the curtain employed by the methods and/or systems disclosed herein can be various sizes. For example, in some embodiments, the curtain, which optionally comprises an extension member, can extend from a ceiling structure to the floor (or an area near the floor). With continued reference to
In some embodiments, the width 294 of the curtain 210 is between about 48 and about 84 inches, or between about 54 and about 72 inches. In other embodiments, the width 294 of the curtain 210 is between about 24 and about 36 inches. Other heights, widths, and/or sizes of curtains can also be used.
Further, the panels 220 of the curtains 210 can be various sizes. For example, in certain embodiments, the width 296 of the panels 220 of the curtain 210 can be between about 4 and about 8 inches, or between about 5 and about 7 inches. In other embodiments, the width 296 of the panels 220 is about 6 inches. The number of panels 220 can also vary. For example, in certain embodiments, the curtain 210 comprises between about 6 and about 12 panels, or between about 8 and about 12 panels 220. In other embodiments, the curtain 210 comprises between about 4 and 6 panels 220. In yet further embodiments, the curtain comprises no greater than about 12 panels 220. The number of panels 220, the width 296 of the panels 220, and the thickness of the panels 220 can also be selected such that the curtain 210 folds appropriately.
The following examples are exemplary and are not intended to be exhaustive of the embodiments disclosed herein.
A flexible acoustic absorption curtain was prepared using a cleanable, flame resistant, polymeric material. The curtain was coupled to a mesh extension member using a zipper element. The height of the curtain was about 84 inches, and the height of the extension member was about 18 inches. The width of the curtain was about 60 inches. The curtain included 10 panels, each panel being about 6 inches wide. Each panel further included a compartment having an insulating sheet disposed therein. The insulating sheets were formed using polyester having a density of about 4.5 lb/ft3. The thickness of the insulating sheets was about ½ inch.
The curtain was hung from a ceiling structure and absorbed sound well. The curtain was also able to be opened and closed, with each panel being substantially superimposable on an adjacent panel. The curtain was also flexible and cleansable. The curtain was also easily uncoupled from the extension member by uncoupling the zipper element.
Throughout this specification, any reference to “one embodiment,” “an embodiment,” or “the embodiment” means that a particular feature, structure, or characteristic described in connection with that embodiment is included in at least one embodiment. Thus, the quoted phrases, or variations thereof, as recited throughout this specification are not necessarily all referring to the same embodiment.
Similarly, it should be appreciated that in the above description of embodiments, various features are sometimes grouped together in a single embodiment, figure, or description thereof for the purpose of streamlining the disclosure. This method of disclosure, however, is not to be interpreted as reflecting an intention that any claim require more features than those expressly recited in that claim. Rather, as the following claims reflect, inventive aspects lie in a combination of fewer than all features of any single foregoing disclosed embodiment.
References to approximations are made throughout this specification, such as by use of the terms “about” or “approximately.” For each such reference, it is to be understood that, in some embodiments, the value, feature, or characteristic may be specified without approximation. For example, where qualifiers such as “about,” “substantially,” and “generally” are used, these terms include within their scope the qualified words in the absence of their qualifiers. Further, all ranges include both endpoints.
The claims following this written disclosure are hereby expressly incorporated into the present written disclosure, with each claim standing on its own as a separate embodiment. This disclosure includes all permutations of the independent claims with their dependent claims. Moreover, additional embodiments capable of derivation from the independent and dependent claims that follow are also expressly incorporated into the present written description.
Without further elaboration, it is believed that one skilled in the art can use the preceding description to utilize the invention to its fullest extent. The claims and embodiments disclosed herein are to be construed as merely illustrative and exemplary, and not a limitation of the scope of the present disclosure in any way. It will be apparent to those having ordinary skill in the art, with the aid of the present disclosure, that changes may be made to the details of the above-described embodiments without departing from the underlying principles of the disclosure herein. In other words, various modifications and improvements of the embodiments specifically disclosed in the description above are within the scope of the appended claims. The scope of the invention is therefore defined by the following claims and their equivalents.
This patent application claims priority to U.S. Provisional Patent Application No. 62/471,787, titled SYSTEMS AND METHODS FOR ACOUSTIC ABSORPTION, filed on Mar. 15, 2017, which is incorporated herein by reference in its entirety.
Filing Document | Filing Date | Country | Kind |
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PCT/US2018/022439 | 3/14/2018 | WO | 00 |
Number | Date | Country | |
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62471787 | Mar 2017 | US |