Plastic and nonmetallic article shaping or treating: processes – Mechanical shaping or molding to form or reform shaped article – Shaping against forming surface
Patent
1994-08-01
1995-10-24
Heitbrink, Jill L.
Plastic and nonmetallic article shaping or treating: processes
Mechanical shaping or molding to form or reform shaped article
Shaping against forming surface
2643281, 249 64, 249 98, 425577, 425DIG58, B29C 3342, B29C 4544
Patent
active
054607698
ABSTRACT:
A method and apparatus for manufacturing a separable fastener which includes a pair of fastener pieces. Each of the fastener pieces includes a flat base and a plurality of elastic engagement projections provided on and integral with the base and arranged in a plurality of lateral and longitudinal rows. The engagement projections have respective heads of a uniform size. Each of the heads is supported on the base via a pair of leg pieces united at the upper end to opposed edge portions of the bottom of the head.
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Heitbrink Jill L.
Nifco Inc.
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