Expanded – threaded – driven – headed – tool-deformed – or locked-thr – Having separate expander means – Bulged by axially contracting ends
Patent
1987-08-31
1991-09-24
Gall, Lloyd A.
Expanded, threaded, driven, headed, tool-deformed, or locked-thr
Having separate expander means
Bulged by axially contracting ends
411 38, F16B 1304
Patent
active
050510487
ABSTRACT:
A blind one piece expansible fastener which has a tubular body with an annular flanged head portion at one end thereof. The upper portion of the tubular body which extends from the flanged head portion has a constant wall thickness. The intermediate tubular portion of the fastener which can be upset has its wall thickness increasing towards the lower portion, which lower portion is internally threaded. The intermediate portion is buckled radially outwardly against an apertured work to secure the fastener thereto. The exterior diameter of the tubular body is of a constant diameter.
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Gall Lloyd A.
Januszkiewicz Joseph
The B. F. Goodrich Company
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