Method of making glass shaving instrument

Details Method of making glass shaving instrument Method of making glass shaving instrument

1975-07-10

1977-03-08

Bashore, S. Leon

Glass manufacturing

Processes

With chemically reactive treatment of glass preform

3034658, 3034653, 65 61, 65 4R, 76DIG8, C03C 1500, C03C 2320

Patent

active

040110710

ABSTRACT:
A glass blade is produced from a preform of insoluble glass having a sharp edge encased in soluble glass. The encased preform is heated and drawn to the reduced cross-sectional size desired of the glass blade, cut transversely to length and leached for removal of the soluble glass and exposure of its sharp edge.

REFERENCES:
patent: 3805387 (1974-04-01), Siegmund
patent: 3851392 (1974-12-01), Donovan
patent: 3861040 (1975-01-01), Dorion, Jr.
patent: 3926601 (1975-12-01), Hicks, Jr.

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