Pressure-sensitive adhesive fastener and method of making same
First Claim
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1. A pressure-sensitive adhesive fastener having a textured fastening surface comprising:
- a backing web having a first surface and a second surface, said backing web exhibiting a pattern of discrete, bulbous surface aberrations projecting from said first surface, each of said bulbous surface aberrations having a base portion and an end portion; and
a layer of pressure-sensitive adhesive coated over and bonded to at least a portion of the surface of said bulbous surface aberrations to define the fastening surface of the fastener.
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Abstract
A pressure-sensitive adhesive fastener having a textured fastening surface so as to have a relatively high shear resistance and a desired peel resistance. The pressure-sensitive adhesive fastener comprises a backing web having bulbous surface aberrations projecting from a first surface of the backing web and a layer of pressure-sensitive adhesive coated over and bonded to at least a portion of the surface of the bulbous surface aberrations of the backing web. The present invention also relates to a fastening system using the pressure-sensitive adhesive fastener of the present invention.
746 Citations
30 Claims
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1. A pressure-sensitive adhesive fastener having a textured fastening surface comprising:
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a backing web having a first surface and a second surface, said backing web exhibiting a pattern of discrete, bulbous surface aberrations projecting from said first surface, each of said bulbous surface aberrations having a base portion and an end portion; and a layer of pressure-sensitive adhesive coated over and bonded to at least a portion of the surface of said bulbous surface aberrations to define the fastening surface of the fastener. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 25, 26, 27, 28, 29, 30)
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9. A pressure-sensitive adhesive fastener having a textured fastening surface comprising:
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a backing web having a first surface and a second surface, said backing web exhibiting a pattern of discrete, bulbous surface aberrations projecting from said first surface, each of said bulbous surface aberrations having a base portion and an end portion, the end portion of each of said bulbous surface aberrations comprising at least one microbubble substantially coinciding with the point of maximum amplitude of said bulbous surface aberration, said microbubble comprising a highly flexible, continuous membrane joined about its periphery to said base portion and which is thinner than said base portion of said bulbous surface aberration; and a layer of pressure-sensitive adhesive coated over and bonded to at least the surface of said end portions of said bulbous surface aberrations to define the fastening surface of the fastener. - View Dependent Claims (10, 11, 12, 13, 14, 15, 16, 17, 18, 19)
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20. A pressure-sensitive adhesive fastener having a textured fastening surface comprising:
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a backing web having a first surface and a second surface, said backing web comprising a polymeric material, said backing web exhibiting a pattern of discrete, bulbous surface aberrations projecting from said first surface, each of said bulbous surface aberrations having a base portion and an end portion, said end portion of each of said bulbous surface aberrations comprising at least one microbubble substantially coinciding with the point of maximum amplitude of said bulbous surface aberration, said microbubble comprising a highly flexible, continuous membrane joined about its periphery to said base portion and which is thinner than said base portion of said bulbous surface aberration, said backing web having greater than about 20 bulbous surface aberrations per square inch and less than about 62,500 bulbous surface aberrations per square inch; and a layer of pressure-sensitive adhesive coated over and bonded to said first surface of said backing web to define the fastening surface of the fastener. - View Dependent Claims (21, 22, 23, 24)
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Specification