Sheet material used to form portions of fasteners

Details Sheet material used to form portions of fasteners Sheet material used to form portions of fasteners

1985-07-31

1988-09-13

Bell, James J.

Stock material or miscellaneous articles

Pile or nap type surface or component

Particular backing structure or composition

156 72, 428 85, 428 92, 428 93, 428 94, 428 99, 428100, 428102, 428296, B32B 302

Patent

active

047709170

ABSTRACT:
A method for forming a sheet material adapted to be cut into smaller pieces to form portions of a fastener. The method comprises providing a backing laminate comprising a layer of base material and a sealing layer of heat softenable polymeric material along a back surface of the base material; stitching a plurality of yarns through the base material to form loops projecting from a face surface of the base material and locking portions of the stitch adjacent the back face of the base material; and heating the polymeric material to adhere it to the locking portions of the stitches. The sheet material can then be used if loops are desired, or the loops can be cut to form hooks or heated to form headed projections on the sheet material.

REFERENCES:
patent: 3009235 (1961-11-01), Mestral
patent: 4024003 (1977-05-01), Buhler
patent: 4290832 (1981-09-01), Kalleberg
patent: 4454183 (1984-06-01), Wollman
patent: 4609581 (1986-09-01), Ott
patent: 4673604 (1987-06-01), Frain et al.

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