Air permeable pressure-sensitive adhesive tapes
First Claim
Patent Images
1. An air permeable adhesive article comprising:
- a porous backing substrate; and
an adhesive-carrying fabric applied to a surface of the backing substrate, the fabric having a porosity greater than that of the backing substrate and the adhesive of the adhesive-carrying fabric being located on the fabric in such a manner that the air permeable adhesive article has an overall air permeability of at least about 100 ft3/minute.
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Accused Products
Abstract
A vapor permeable article includes a porous backing substrate and an open fabric applied to one surface of the backing substrate. The open fabric has a greater porosity than that of the backing substrate. The open fabric may be a woven fabric comprising warp (MD) yarns and weft (CD) yarns, and the warp yarns may be of a lower denier than the weft yarns, so as to facilitate hand-tear of the assembled article. The open fabric is coated with an adhesive in such a manner that the open fabric remains porous and vapor permeable. The backing substrate can be a woven, knit or non-woven fabric, or a porous film, such as an apertured plastic film.
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Citations
94 Claims
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1. An air permeable adhesive article comprising:
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a porous backing substrate; and
an adhesive-carrying fabric applied to a surface of the backing substrate, the fabric having a porosity greater than that of the backing substrate and the adhesive of the adhesive-carrying fabric being located on the fabric in such a manner that the air permeable adhesive article has an overall air permeability of at least about 100 ft3/minute. - View Dependent Claims (2, 3, 4, 13, 16, 17, 20, 22, 28, 29, 30, 33, 34, 35, 36, 37, 38, 43, 44, 45, 46, 50, 51, 52, 53, 54, 55, 56, 57, 58, 59, 60, 61, 62, 67)
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5. An air permeable adhesive article comprising:
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a porous backing substrate having at least about 20% open area; and
an adhesive-carrying fabric applied to a surface of the backing substrate, the fabric of the adhesive-carrying fabric having at least about 25% open area before application of the adhesive. - View Dependent Claims (6, 7, 8)
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9. An air permeable adhesive article comprising:
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a porous backing substrate having at least about 20% open area; and
an adhesive-carrying fabric applied to a surface of the backing substrate, the fabric having a porosity before application of the adhesive that is greater than that of the backing substrate, and the adhesive-carrying carrying fabric layer having an overall open area of at least about 15% of the surface area of the assembled article. - View Dependent Claims (10, 11, 12)
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70. An article comprising:
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a porous backing substrate; and
an adhesive-carrying fabric applied to a surface of the backing substrate, the fabric having a porosity greater than that of the backing substrate and the adhesive of the adhesive-carrying fabric located on the fabric in such a manner that the fabric remains porous. - View Dependent Claims (74, 75, 76, 77)
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71. An article comprising:
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a porous backing substrate; and
an adhesive-carrying fabric applied to a surface of the backing substrate, the fabric having a porosity greater than that of the backing substrate and comprising warp yarns running in the machine direction and weft yarns running in the cross direction, the weft yarns having a higher denier than the warp yarns, and the adhesive of the adhesive-carrying fabric located on the fabric in such a manner that the fabric remains porous.
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Specification