Expanded – threaded – driven – headed – tool-deformed – or locked-thr – With means to indicate application of predetermined...
Patent
1986-04-03
1987-06-09
Holko, Thomas J.
Expanded, threaded, driven, headed, tool-deformed, or locked-thr
With means to indicate application of predetermined...
411383, 411390, 89 114, 89 157, 102378, F16B 3100
Patent
active
046717153
ABSTRACT:
A shear type separation fastener having a punch piston which shears a ring of material from the head of a bolt to face the shank of the bolt. The punch piston has a face with a shearing edge that presents an advancing point of contact with the bolt head to reduce the maximum force needed to shear the material.
REFERENCES:
patent: 2653504 (1953-09-01), Smith
patent: 3119298 (1964-01-01), Brown
patent: 3285120 (1966-11-01), Kartiala
patent: 3352189 (1967-11-01), Brown
patent: 3386138 (1968-06-01), Overman
patent: 3408890 (1968-11-01), Bochman
patent: 3435724 (1969-04-01), Trungold
patent: 3546999 (1970-12-01), Hosang
Hi-Shear Corporation
Holko Thomas J.
Mon Donald D.
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