Adhesive bonding and miscellaneous chemical manufacture – Methods – Surface bonding and/or assembly therefor
Patent
1989-01-24
1989-11-21
Dawson, Robert A.
Adhesive bonding and miscellaneous chemical manufacture
Methods
Surface bonding and/or assembly therefor
24306, 24444, 156 731, 156 78, 156245, 156292, 264 464, 264 467, 297DIG1, 297DIG6, 428100, 4283084, 428120, 428900, A44B 2100
Patent
active
048819972
ABSTRACT:
An adapted separable fastener and method of making the same for attachment to foam objects such as seat cushions. A separable fastener member of the hook and loop-type is attached, in back-to-back relation, to a second member. The second member has upstanding elements such as loops or hooking elements which elements are ultimately surrounded and encapsulated by the foam during polymerization. The adapted fastener is thereby attached to the foam member. The elements are positioned in order to allow venting of the gaseous byproducts of polymerization. This promotes superior adhesion to the foam material and prevents delamination at the fastener-foam interface. A metal strip may be disposed within the adapted fastener so it may be magnetically held in the foam mold. A method and apparatus for adapting the fastener is also disclosed.
REFERENCES:
patent: 4563380 (1986-01-01), Black et al.
patent: 4693921 (1987-09-01), Billarant et al.
patent: 4726975 (1988-02-01), Hatch
patent: 4784890 (1988-11-01), Black
Dawson Robert A.
Velcro Industries. B.V.
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