Expanded – threaded – driven – headed – tool-deformed – or locked-thr – Having separate expander means – Made up of plural expansible segments or sections
Patent
1990-01-29
1990-11-27
Wilson, Neill R.
Expanded, threaded, driven, headed, tool-deformed, or locked-thr
Having separate expander means
Made up of plural expansible segments or sections
411 55, F16B 1304, F16B 1306
Patent
active
049732072
ABSTRACT:
A plug assembly that comprises a bolt having a cone portion at one end thereof and an external thread at another end thereof, a sleeve for mounting over the bolt and having an expansible portion at an end thereof which is adjacent to the one end of the bolt, and a tubular member screwed over the bolt until its engagement with an end of the sleeve which is remote from the expansible region for securing the plug assembly against rotation.
REFERENCES:
patent: 4484848 (1984-11-01), Ott
patent: 4640654 (1987-02-01), Fischer et al.
patent: 4789284 (1988-12-01), White
fischerwerke Artur Fischer GmbH & Co. KG
Striker Michael J.
Wilson Neill R.
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