Miscellaneous hardware (e.g. – bushing – carpet fastener – caster – Bushing – Providing strain relief
Patent
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.
Bradley P. Austin
Emhart Inc.
Mah Chuck Y.
Murphy E. D.
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