Contoured punch tool for removing semi-tubular rivets

Details Contoured punch tool for removing semi-tubular rivets Contoured punch tool for removing semi-tubular rivets

1986-09-30

1988-02-02

Tudor, Harold J.

Metal working

Method of mechanical manufacture

Disassembling

29275, 30358, B23P 1902

Patent

active

H00004197

ABSTRACT:
A rivet removal tool for removing semi-tubular rivets from a workpiece. The tool has a punch head whose hemispherical tip bottoms within the rivet cavity to provide alignment therewith, and a shoulder whose edge shears the enlarged end of the aligned rivet.

REFERENCES:
patent: 843875 (1907-02-01), Dunham
patent: 1802282 (1931-04-01), Siemer
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patent: 2409589 (1946-10-01), Rocheville
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patent: 3099876 (1963-08-01), Lawless
patent: 3176329 (1965-04-01), Frame
patent: 3464201 (1969-09-01), Ehlen
patent: 4234375 (1980-11-01), Ciccarello
patent: 4360136 (1982-11-01), Bates
patent: 4451959 (1984-06-01), Miller et al.
patent: 4476615 (1984-10-01), Cook

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