Leakproof insert

Details Leakproof insert Leakproof insert

1993-08-19

1995-10-10

Bradley, P. Austin

Miscellaneous hardware (e.g., bushing, carpet fastener, caster,

Bushing

Providing strain relief

F16L 500

Patent

active

054559863

ABSTRACT:
A metal insert, usually threaded, for use in a prepared hole in a plastic part and a method for its installation. The upper parts of the hole and the insert and fit together by melting the plastic. After cooling, expandable ridges in the lower part of the insert are forced into the cooled plastic to make the entire assembly leakproof. An intermediate thinned section of the insert permits the expansion of the ridges and itself permanently deforms to maintain the leakproof connection.

REFERENCES:
patent: 2751809 (1956-06-01), Barker
Dodge Catalog, May 21, 1993.

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