Method of connecting a gripping device to a sheet or web-formed

Details Method of connecting a gripping device to a sheet or web-formed Method of connecting a gripping device to a sheet or web-formed

1989-12-14

1991-09-17

Woo, Jay H.

Plastic and nonmetallic article shaping or treating: processes

With severing, removing material from preform mechanically,...

Making hole or aperture in article

264255, 264267, 264274, 156344, B29C 4514

Patent

active

050493361

ABSTRACT:
A method of attaching a gripping device to a packaging laminate involves forming a recess in a packaging laminate that extends only a part of the way through the thickness of the packaging laminate. Molten plastic material is injected into the recess to cause the molten plastic material to become partly united with plastic layers that cover the central carrier layer of the laminate, thereby forming an anchorage device in the laminate. The gripping device can be attached to the anchorage device after the injection molding process or simultaneously during the injection molding process.

REFERENCES:
patent: 2071921 (1937-02-01), Dickson
patent: 2300594 (1942-11-01), Rehfeld
patent: 3890679 (1975-06-01), Simon
patent: 4338278 (1982-07-01), Schultz
patent: 4409163 (1983-10-01), Von Manen
patent: 4884312 (1989-12-01), Clark

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