Metal deforming – With cutting – By composite tool
Patent
1992-05-11
1994-06-28
Reese, Randolph A.
Metal deforming
With cutting
By composite tool
29 33K, 292435, 295661, B71D 2800
Patent
active
053236327
ABSTRACT:
A calking structure wherein a calked member is calked firmly in a fixed member and a jig intended for obtaining the structure are disclosed. Cutting edges 2a, 2b of calking jigs 15, 16 are provided with slant faces 3a or 3b, 3c for subjecting calking pieces 21a, 21b to a torsional deformation with reference to a cut face A from depression, and the calking pieces 21a, 21b are locked to a fixed member 8 as deformed torsionally to a calked member 20.
REFERENCES:
patent: 1656856 (1928-01-01), Gagnon
patent: 2146128 (1939-02-01), Oldham
patent: 3091838 (1963-06-01), Hild et al.
patent: 3169418 (1965-02-01), Borowsky
patent: 3182276 (1965-05-01), Ruehlemann
patent: 3319324 (1967-05-01), Keller
patent: 4404835 (1983-09-01), Frith
patent: 5207084 (1993-05-01), West et al.
Shirasaka Takeshi
Takemura Hiroyasu
Alps Electric Co. ,Ltd.
Bever Patrick T.
Reese Randolph A.
Shoup Guy W.
Spisich George D.
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