Method of making a bingo chip

Details Method of making a bingo chip Method of making a bingo chip

1986-05-27

1987-06-30

Goldberg, Howard N.

Metal working

Method of mechanical manufacture

Combined manufacture including applying or shaping of fluent...

273239, 273269, B23P 1700

Patent

active

046759735

ABSTRACT:
A bingo chip comprises a transparent chip body having opposed faces, and a ferromagnetic ring. The ferromagnetic ring extends adjacent substantially the entire outer periphery of the chip body and is affixed between the faces therof, an outer periphery of the ring not extending beyond the outer periphery of the chip body and preferably being flush therewith. A method of making such a bingo chip comprises forming a chip body about a hole in a ferromagnetic sheet followed by trimming of the ferromagnetic sheet flush with the outer periphery of the chip body.

REFERENCES:
patent: 800217 (1905-09-01), Keplinger
patent: 2348311 (1944-05-01), Ruben
patent: 2798257 (1957-07-01), Beare
patent: 3766452 (1973-10-01), Burpee et al.
patent: 3983646 (1976-10-01), Howard

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