In accordance with the present invention, there is provided a garment or undergarment (e.g., a T-shirt) which is provided with integrated multi-layer perspiration barriers uniquely configured to provide high levels of evaporative cooling and moisture vapor transmission. The perspiration barriers are integrated into the sleeve and torso portions of the garment such that such perspiration barriers actually define the underarm portions thereof. Each of the perspiration barriers is preferably comprised of four layers, each of which is formed from two separate panel pieces. The various layers included in each of the perspiration barriers, the manner in which such layers are stacked upon and attached to each other, and the manner in which the layers forming each perspiration barrier are integrated into the garment are specifically adapted to collectively promote evaporative cooling and a vapor transmission effect which provides superior perspiration absorption and evaporation, in addition to enhanced user comfort.
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1. A garment having an internal surface adapted to contact a wearer's skin and an external surface, the garment comprising:
a torso portion fabricated from a garment material;
a pair of sleeve portions fabricated from the garment material, the sleeve portions being attached to and extending from the torso portion; and
a pair of perspiration barriers each of the perspiration barriers comprising:
a first layer fabricated from a cotton material;
a second layer disposed adjacent the first layer and fabricated from a terry cloth material;
a third layer disposed adjacent the second layer and fabricated from a hydrophilic breathable film; and
a fourth layer disposed adjacent the third layer and fabricated from the garment material;
the pair of perspiration barriers defining respective barrier peripheral edge regions, each barrier peripheral edge region being coupled to and at least partially circumvented by a corresponding peripheral edge region collectively defined by the torso portion and a respective one of the sleeve portions such that the external surface of an underarm area of the garment is collectively formed by each of the fourth layers of the perspiration barriers and the respective torso and sleeve portions;
wherein at least the first and fourth layers of each of the perspiration barriers is segregated into a sleeve panel piece and a torso panel piece, the sleeve panel piece and torso panel piece of the first layer being joined together by a first stitched seam and the sleeve panel piece and torso panel piece of the fourth layer being joined together by a second stitched seam separate from the first stitched seam.
0. 16. A garment having an internal surface adapted to contact a wearer's skin and an external surface, the garment, comprising:
a torso portion;
a pair of sleeve portions attached to and extending from the torso portion in opposed relation to each other; and
a pair of perspiration barriers, each of the perspiration barriers comprising:
a first layer fabricated from a soft, pliable material adapted to permit the transmission of moisture therethrough;
a second layer disposed adjacent the first layer and fabricated from a loosely woven material for channeling moisture therethrough;
a third layer disposed adjacent to and bonded to the second layer, and fabricated from a hydrophilic breathable film, the second and third layers together defining a bonded piece; and
a fourth layer disposed adjacent the third layer, the pair of perspiration barriers defining respective barrier peripheral edge regions, each barrier peripheral edge region being coupled to and at least partially circumvented by a corresponding peripheral edge region collectively defined by the torso portion and a respective one of the sleeve portions such that the external surface of an underarm area of the garment is collectively formed by each of the fourth layers of the perspiration barriers and the respective torso and sleeve portions;
wherein the first layer, the bonded piece, and the fourth layer of each perspiration barrier are joined together solely at the barrier peripheral edge region of each perspiration barrier, such joining solely at the barrier peripheral edge region permitting outside air to be drawn into and between the first layer and the second layer, and into and between the third layer and the fourth layer, thus enhancing evaporative cooling and moisture vapor transmission.
0. 20. A garment having an internal surface adapted to contact a wearer's skin and an external surface, the garment, comprising:
a torso portion;
a pair of sleeve portions attached to and extending from the torso portion in opposed relation to each other; and
a pair of perspiration barriers, each of the perspiration barriers comprising:
a first layer fabricated from a soft, pliable material adapted to permit the transmission of moisture therethrough;
a second layer disposed adjacent the first layer and fabricated from a loosely woven material for channeling moisture therethrough;
a third layer disposed adjacent to and bonded to the second layer, and fabricated from a hydrophilic breathable film, the second and third layers together defining a bonded piece; and
a fourth layer disposed adjacent the third layer, the pair of perspiration barriers defining respective barrier peripheral edge regions, each barrier peripheral edge region being coupled to and at least partially circumvented by a corresponding peripheral edge region collectively defined by the torso portion and a respective one of the sleeve portions such that the external surface of an underarm area of the garment is collectively formed by each of the fourth layers of the perspiration barriers and the respective torso and sleeve portions;
wherein the first layer, the bonded piece, and the fourth layer of each perspiration barrier are joined together solely at the barrier peripheral edge region, and each define a foldable crease region, such joining solely at the barrier peripheral edge regions permitting outside air to be drawn into and between the first layer and the second layer, and into and between the third layer and the fourth layer, thus enhancing evaporative cooling and moisture vapor transmission, and the foldable crease region further allowing a wearer to lift and lower their arms more easily and with reduced noise and material.
2. The garment of
6. The garment of
7. The garment of
8. The garment of
9. The garment of
the sleeve panel piece of each of the first, second, third and fourth layers has a generally trapezoidal configuration defining a peripheral base segment of greatest length;
the torso panel piece of each of the first, second, third and fourth layers has a generally semi-circular configuration defining a non-arcuate peripheral edge segment; and
the crease extends along the base segment of the sleeve panel piece and along the non-arcuate peripheral edge segment of the torso panel piece.
10. The garment of
11. The garment of
12. The garment of
13. The garment of
0. 15. A garment having an internal surface adapted to contact a wearer's skin and an external surface, the garment, comprising:
a torso portion;
a pair of sleeve portions attached to and extending from the torso portion in opposed relation to each other; and
a pair of perspiration barriers, each of the perspiration barriers comprising:
a first layer fabricated from a soft, pliable meat adapted to permit the transmission of moisture therethrough;
a second layer disposed adjacent the first layer and fabricated from a loosely woven material;
a third layer disposed adjacent the second layer and fabricated from a hydrophilic breathable film; and
as fourth layer disposed adjacent the third layer the pair of perspiration barriers defining respectively barrier peripheral edge regions, each barrier peripheral edge region being coupled to and at least partially circumvented by a corresponding peripheral edge region collectively defined by the torso portion and a respective one of the sleeve portions such that the external surface of an underarm area of the garment is collectively formed by each of the fourth layers of the perspiration barriers and the respective torso and sleeve portions.
0. 17. The garment of claim 16, wherein the third layer is bonded to the second layer via a finely dispersed adhesive dot pattern.
0. 18. The garment of claim 17, wherein the joining solely at the barrier peripheral edge region comprises stitching.
0. 19. The garment of claim 18, wherein the stitching comprises an overlock stitch covered by a continuous cover stitch.
0. 21. The garment of claim 20, wherein the third layer is bonded to the second layer via a finely dispersed adhesive dot pattern.
0. 22. The garment of claim 20, wherein the joining solely at the barrier peripheral edge region comprises stitching.
0. 23. The garment of claim 22, wherein the stitching comprises an overlock stitch covered by a continuous cover stitch.
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The present application is a reissue of U.S. application Ser. No. 13/282,148, filed Oct. 26, 2011, which claims priority to U.S. Provisional Patent Application Ser. No. 61/436,841 entitled GARMENT HAVING INTEGRATED PERSPIRATION BARRIERS filed Jan. 27, 2011, the disclosure disclosures of which is are incorporated herein by reference.
Not Applicable
1. Technical Field of the Invention
The present invention relates generally to wearing apparel and, more particularly, to a garment or undergarment (e.g., a T-shirt) which is provided with integrated multi-layer perspiration barriers uniquely configured to provide high levels of evaporative cooling and moisture vapor transmission.
2. Description of the Related Art
As is known in the medical field, hyperhidrosis is a condition characterized by abnormally increased perspiration, in excess of that required for the regulation of body temperature. Hyperhidrosis can either be generalized or localized to specific parts of the body. Hands, feet, armpits and the groin area are among the most active regions of perspiration due to the relatively high concentration of sweat glands.
Of the various manifestations of hyperhidrosis, one of the most problematic for many individuals is axillary hyperhidrosis, or excessive underarm sweating. Because of the various stigmas that society has perpetuated about people who sweat excessively, as well as the unsightly appearance of excessive underarm perspiration, sufferers of axillary hyperhidrosis are often reluctant to wear certain fabrics or colors which exacerbate the appearance of the perspiration. In addition, these sufferers are often compelled to leave jackets, sweaters, sport coats or other garments on to their discomfort, solely for the shielding effect provided by these outer garments. Moreover, in extreme circumstances, sufferers may resort to actually bringing changes of clothes with them to work or other events, assuming that the level of perspiration in a worn garment will reach a level of severity which mandates a disruptive, yet necessary change of clothes.
For the treatment of axillary hyperhidrosis, the aluminum chloride used in regular antiperspirants is typically insufficient, with sufferers often needing solutions with higher concentrations to effectively treat the symptoms of the condition. However, one of the major side effects of antiperspirant solutions which are adaptive to facilitate the treatment of axillary hyperhidrosis is a high level of irritation to the skin. Though surgical options are available for the treatment of axillary hyperhidrosis, including sweat gland removal or destruction, many sufferers seek treatment options which do not require a surgical procedure due to the cost of the procedure, the risks associated therewith, or other factors.
In recognition of the social difficulties experienced by many axillary hyperhidrosis sufferers and the reluctance of many of these sufferers to seek medical or surgical intervention for the treatment of their condition, there has been developed in the prior art various undergarments with permanently attached perspiration shielding which are adapted to protect outer clothing for underarm perspiration. Such undergarments are described, for example, in U.S. Pat. No. 6,591,425 to Zellers, and in U.S. Patent Publication Nos. 2006/0168704 to Mayer, et al, and 2008/0086791 to Kirkwood Samuels, et al. Though the undergarments described in these and other references provide the general effect of protecting a wearer's outer clothing from underarm perspiration, they possess certain deficiencies which detract from the overall utility. For example, in certain ones of these prior art undergarments, the perspiration shield includes a waterproof layer and is placed proximate the wearer's skin in the underarm area, thus actually causing increased levels of perspiration attributable to the shield acting as a barrier to air flow, in addition to causing discomfort to the wearer. Additionally, in certain ones of these prior art garments, the layered construction of the perspiration shields included therein is not adapted to facilitate cooling air flow via a billowing effect, or to promote wearer comfort.
The present invention addresses and overcomes the deficiencies highlighted above by providing a garment or undergarment (e.g., a T-shirt) which is provided with integrated multi-layer perspiration barriers uniquely configured to provide high levels of evaporative cooling and moisture vapor transmission. These, as well as other features and advantages of the present invention will be described in more detail below.
In accordance with the present invention, there is provided a garment or undergarment (e.g., a T-shirt) which is provided with integrated multi-layer perspiration barriers uniquely configured to provide high levels of evaporative cooling and moisture vapor transmission. More particularly, in the garment construction in accordance with the present invention, the perspiration barriers are integrated into the sleeve and torso portions of the garment such that such perspiration barriers actually define the underarm portions thereof. This is in contrast to prior art garment constructions wherein the perspiration shields are attached to the interior or exterior surfaces of the underarm portions of an existing garment, as opposed to the shield themselves defining such underarm portions.
In addition, each of the perspiration barriers integrated into the garment of the present invention is preferably comprised of four separate layers, each of which has a two-piece or panel construction. The materials of the various layers included in each of the perspiration barriers, the manner in which the layers are stacked upon and attached to each other, and the manner in which the stacked layers of joined panel pieces forming each perspiration barrier are integrated into the garment are specifically adapted to collectively promote evaporative cooling and a vapor transmission effect which provides superior perspiration absorption and evaporation, in addition to enhanced user comfort.
The present invention is best understood by reference to the following detailed description when read in conjunction with the accompanying drawings.
These, as well as other features of the present invention, will become more apparent upon reference to the drawings wherein:
Common reference numerals are used throughout the drawings and detailed description to indicate like elements.
Referring now to the drawings wherein the showings are for purposes of illustrating a preferred embodiment of the present invention only, and not for purposes of limiting the same,
The garment 10 further comprises an identically configured pair of perspiration barriers 20 which are integrated into the remainder of the garment 10 in a manner which will be described in more detail below. As seen in
As indicated above, each perspiration barrier 20 is provided with a four-layer construction. More particularly, as seen in
In addition to the first and second layers 26, 28, each of the perspiration barriers comprises a third layer 30 which is positioned against the second layer 28 such that the second layer 28 is effectively oriented between the first and third layers 26, 30. The third layer 30 is preferably a hydrophilic breathable film which is fabricated from polyurethane and bonded by a finely dispersed adhesive dot pattern to the second layer 28. Positioned against the third layer 30 is a fourth layer 32, the third layer 30 thus being oriented between the second and fourth layers 28, 32. The fourth layer 32 is preferably made of the same material as the torso and sleeve portions 12, 16 of the garment 10 (e.g., a cotton material) for aesthetic consistency when the perspiration barriers 20 are integrated therein. In this regard, whereas the first layer 26 defines the innermost surface of each perspiration barrier 20 in the completed garment 10 which will directly contact the skin of the wearer thereof, the fourth layer 32 defines the outermost surface of each perspiration barrier 20 in the completed garment 10 which is visually exposed when the same is being worn by the wearer.
As indicated above each of the first, second, third and fourth layers 26, 28, 30, 32 of each of the perspiration barriers 20 comprises a pair of the sleeve and torso panel pieces 22, 24 which are joined (e.g. sewn) to each other. More particularly, in fabricating each of the first and fourth layers 26, 32, a portion of the sleeve panel piece 22 extending along the peripheral base edge segment thereof of greatest length is joined to a portion of the torso panel piece 24 extending along the linear, non-arcuate peripheral edge segment thereof by an elongate stitch 34 which defines a foldable crease between the sleeve and torso panel pieces 22, 24.
However, in fabricating the second and third layers 28, 30, the sleeve panel pieces 22 of such second and third layers 28, 30 are initially bonded to each other in the aforementioned manner, as are the torso panel pieces 24 thereof. Thereafter, the bonded sleeve panel pieces 22 of the second and third layers 28, 30 are sewn to the bonded torso panel pieces 24 thereof by a single, elongate stitch 34. As described above in relation to the first and fourth layers 26, 32, the stitch 34 joining the bonded sleeve panel pieces 22 of the second and third layers 28, 30 to the bonded torso panel pieces 24 thereof extends along the peripheral base edge segments of the bonded sleeve panel pieces 22 of greatest length and the linear, non-arcuate peripheral edge segments of the bonded torso panel pieces 24, such stitch 34 also defining a foldable crease therebetween. Advantageously, the materials from which the second and third layers 28, 30 are fabricated, in concert with the manner in which they are attached to each other, enhances vapor transmission and breathability between the adjacent second and third layers 28, 30 in each of the fully fabricated perspiration barriers 20.
Once the various corresponding pairs of sleeve and torso panel pieces 22, 24 have been sewn to each other in the aforementioned manner, the resultant first, second, third and fourth layers 26, 28, 30, 32 are stacked upon each other such that the first layer 26 is positioned against the second layer 28, and the fourth layer 32 is positioned against the third layer 30. As indicated above, each perspiration barrier 20 of the garment 10 comprises the first, second, third and fourth layers 26, 28, 30, 32 as stacked upon each other in this particular sequence. Once each perspiration barrier 20 has been fabricated or assembled in the aforementioned manner, it is sewn into the torso portion 12 and a corresponding sleeve portion 16 of the garment 10 using a continuous overlock stitch which extends solely along the peripheral edge thereof. It is contemplated that this peripheral overlock stitch will be covered by a continuous cover stitch 36 to provide a more desirable appearance to the garment 10.
Additionally, as best seen in
Advantageously, the manner in which the perspiration barriers 20 are assembled, and in turn integrated into the remainder of the garment 10, provides enhanced evaporative cooling and moisture vapor transmission attributable to a billowing effect in each of the perspiration barriers 20. This billowing effect, and the resultant evaporative cooling and moisture vapor transmission process, also serves to decrease perspiration by lowering body temperature. Such billowing effect is achieved by the particulars of the construction of each of the perspiration barriers 20, and is enhanced by the minimal amount of stitching which extends through areas other than the peripheral portions thereof (thereby reducing the number of interiorly located needle holes). In this regard, as previously explained, within each perspiration barrier 20, the only stitching that extends through the interior thereof are the three separate, elongate stitches 34 that are used to join the sleeve and torso panel pieces 22, 24 of the first, second, third and fourth layers 26, 28, 30, 32 to each other. These stitches 34 within each perspiration barrier 20 provide the advantage of collectively creating a crease which allows the wearer of the garment 10 to more easily lift and lower his or her arms without undue resistance by the perspiration barriers 20, while further preventing an excessive amount of noise being generated by the arm lifting and lowering process. Moreover, since the stitches 34 within each perspiration barrier 20 are only generally aligned with each other and do not give rise to the creation of continuous needle holes which span through each the first, second, third and fourth layers 26, 28, 30, 32, there is a significantly reduced potential for moisture or perspiration to travel along the stitches 34 and through the needle holes in a manner comprising the integrity of each perspiration barrier 20.
The “perimeter only” stitching used to facilitate the attachment of each of the fully fabricated perspiration barriers 20 to the remainder of the garment 10 allows outside air to be drawn into and between the first and second layers 26, 28, as well as the third and fourth layers 30, 32, of each of the perspiration barriers 20. At the same time, the stitches 34 of each of the perspiration barriers 20, due to thereof relative orientations, do not unduly compromise the billowing effect. As a result, as seen in
This disclosure provides an exemplary embodiment of the present invention. The scope of the present invention is not limited by this exemplary embodiment. Numerous variations, whether explicitly provided for by the specification or implied by the specification, such as variations in structure, dimension, type of material and manufacturing process may be implemented by one of skill in the art in view of this disclosure. For example, those of ordinary skill in the art will recognize that the above-described perspiration barriers 20 may be integrated into a garment other than for an undergarment such as a T-shirt. Additionally, some or all of the stitching described above could potentially be substituted with a suitable fabric adhesive.
Thompson, William, Choi, Randy Hyun
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