Metal tool

Details Metal tool Metal tool

1973-11-15

1976-03-23

Sebastian, Leland A.

Metal working

Means to assemble or disassemble

Puller or pusher means, contained force multiplying operator

291827, 291878, 75203, 75204, 75208R, 408199, 408704, 408226, 408230, 76108R, B22F 300, B21K 502

Patent

active

039458075

ABSTRACT:
A tool such as a drill, etc. made of a hard metal, e.g., a cemented carbide, having applied thereto a coating film of a noble metal such as gold, silver, platinum, etc. by means of an ion-plating treatment.

REFERENCES:
patent: 1342801 (1920-06-01), Gebauer
patent: 2363337 (1944-11-01), Kelly
patent: 2648747 (1953-08-01), Graves
patent: 2826512 (1968-03-01), Rex
patent: 2899338 (1959-08-01), Goetzel et al.
patent: 2978353 (1961-04-01), Meier
patent: 3366463 (1968-01-01), Schreiner
patent: 3506500 (1970-04-01), Talmage

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