Metal working – Means to assemble or disassemble – Puller or pusher means – contained force multiplying operator
Patent
1974-10-21
1976-02-24
Rutledge, L. Dewayne
Metal working
Means to assemble or disassemble
Puller or pusher means, contained force multiplying operator
148 315, 148 34, 204 37R, B32B 1518
Patent
active
039402541
ABSTRACT:
A two-component blank suitable for minting into a coin is described. The blank consists of a low-carbon steel core completely encased in nickel. The blank has magnetic properties sufficiently similar to a solid nickel coin of the same size that the minted blank is accepted by magnetic property testing coin discriminating devices which accept pure nickel coins.
REFERENCES:
patent: 3295936 (1967-01-01), Asano et al.
patent: 3398448 (1968-08-01), Goodrich et al.
patent: 3634890 (1972-01-01), Conradt et al.
patent: 3645861 (1972-02-01), Garvey
patent: 3837894 (1974-09-01), Tucker
Clegg Maurice A.
McMullen Arthur G.
Prowse Ronald L.
Ruscoe Michael J. H.
Fors Arne I.
Piper Frank I.
Rutledge L. Dewayne
Sherritt Gordon Mines Limited
Steiner Arthur J.
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