Fastener anchor formed in thermoplastic sheet

Details Fastener anchor formed in thermoplastic sheet Fastener anchor formed in thermoplastic sheet

1976-10-07

1978-01-10

Parsons, Jr., Marion

Plastic and nonmetallic article shaping or treating: processes

Outside of mold sintering or vitrifying of shaped inorganic...

Including plural heating steps

85 36, 264 92, 85DIG2, F16B 1700, F16B 3700

Patent

active

040672565

ABSTRACT:
A recess-type, screw-receiving fastener is formed directly into a thermoplastic sheet, preferably during the same operation which forms the plastic sheet into a useful configuration, such as a refrigerator inner liner. The fastener, when viewed from the rear side, resembles a plurality of "pinches" forming gusset-like folds. From the front side, it comprises a central recess in communication with side recesses formed by the interiors of the gusset-like folds. The central recess is adapted for receiving a male fastener such as a screw and the gusset-like folds distribute the load into a sufficient surrounding area of the plastic sheet.

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