Stock material or miscellaneous articles – Web or sheet containing structurally defined element or... – Including interlaminar mechanical fastener
Patent
1991-09-24
1995-01-03
Lesmes, George F.
Stock material or miscellaneous articles
Web or sheet containing structurally defined element or...
Including interlaminar mechanical fastener
428 361, 428 362, 428225, 428226, 428232, 428233, 428284, 428294, 2159, 2162, 2163, D03D 300, D03D 1500, B32B 506
Patent
active
053785290
DESCRIPTION:
BRIEF SUMMARY
FIELD OF THE INVENTION
The present invention concerns a material allowing the absorption and drainage of moisture, in particular of perspiration.
BACKGROUND OF THE INVENTION
It is known that the skin of an individual continuously breathes and perspires, perspiration becoming more abundant as body activity and its temperature increase, especially during and following activity.
When skin is naked, sweat resulting from this perspiration is vaporized into the ambient air, thereby promoting cooling of the skin surface and thermal regulation of the body.
When the skin is covered, for example with an article of clothing, vaporization of sweat, as well as the corresponding heat exchange, occurs only to a limited extent. The skin becomes moist, the moisture is more or less absorbed by the material covering the skin, and this material becomes wet to a corresponding degree, thereby causing well-known, disagreeable sensations.
This discomfort becomes especially pronounced when the material covering the skin is moisture-proof and in particular moisture-proof to water-proof, since the moisture thus produced cannot be channelled away to the outside and remains in contact with the skin, thus producing an uncomfortable feeling.
Furthermore, in the case of an article of clothing designed to protect against cold, the undrained moisture thus produced conducts cold and is a factor leading to cooling of the skin.
In-the case of sports clothing which both insulates and provides moisture-proofing, since it is subjected to marked variations of temperature between the outer surface and the skin which vary over time as a function of the activity of the individual, the moisture-proofing can increase still further, and in pronounced fashion, the feeling of discomfort.
In fact, perspiration, composed mainly of water, is a good conductor of heat. In the event of insufficient thermal insulation, the sweat thus cools very rapidly and condenses, a phenomenon which exacerbates the feeling of discomfort. Moreover, a "soaked" insulator loses the major portion of its thermal insulation qualities.
SUMMARY OF THE INVENTION
It is an object of the invention to propose a material designed to produce clothing which is moisture-proof to external moisture and which is potentially thermally insulating, and which absorbs and removes the moisture from perspiration so as to improve the feeling of comfort for the individual on whose it is worn, and to preserve the insulating properties of the insulating material in the case of a thermally-insulating article of clothing. The term "clothing" signifies anything which covers the human body in order to protect it, and in particular any article of clothing such as socks or shoes designed to be in contact with the skin.
The invention comprises a multi-layered material which allows moisture transfer and which comprises in succession, beginning at the surface exposed to the moisture, a lining and an outer moisture-proof covering, and, between the lining and the outer covering, means for the longitudinal transfer of moisture. The lining comprises a plurality of moisture collectors which are connected to the transfer means and which pass through the lining until they come into proximity with the surface subjected to the moisture.
In this way, the moisture is collected by the collectors at the surface exposed to moisture and is transferred by these collectors to the longitudinal transfer means. Accordingly, the moisture is removed from the skin and is thus no longer in contact with it, thereby eliminating the feeling of discomfort associated with such contact.
The transfer means are drains which collect and conduct the moisture, and which are connected to at least one moisture-storage capacity, thus making it possible to totally remove the moisture from the skin. The drains are preferably formed from threads, wicks, or strips of a hydrophilic material so as to better conduct the moisture, and are preferably numerous and small, so as to be better distributed over the moist surface and to better initiate drainage
REFERENCES:
patent: 4283454 (1981-08-01), Buchanan
patent: 4775575 (1988-10-01), Tang
Lesmes George F.
Salomon S.A.
Shelborne Kathryne E.
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