Holding of glass sheets by electromagnet

Details Holding of glass sheets by electromagnet Holding of glass sheets by electromagnet

1986-12-29

1988-10-18

Schmidt, Frederick R.

Abrasive tool making process, material, or composition

With carbohydrate or reaction product thereof

51216LP, 51217R, B24B 700

Patent

active

047777680

ABSTRACT:
The invention relates to machining of glass sheets and in particular to holding of said glass sheets during grinding of their edges. The glass sheets are locked on their work plate with an electromagnet. This locking provides an effective holding while freeing space above the glass sheets.

REFERENCES:
patent: 1961219 (1934-06-01), Fenton
patent: 2713379 (1955-07-01), Sisson
patent: 3626342 (1971-12-01), Green
patent: 3660949 (1972-05-01), Coes, Jr.
patent: 3785229 (1974-01-01), Halberschmidt et al.
patent: 3797339 (1974-03-01), Pape et al.
patent: 4145723 (1979-03-01), Mucha et al.
patent: 4171657 (1979-10-01), Halberschmidt et al.
patent: 4325188 (1982-04-01), Reinmold et al.
patent: 4519167 (1985-05-01), Halberschmidt et al.
patent: 4528780 (1985-07-01), Halberschmidt et al.
patent: 4556834 (1985-12-01), Reinmold et al.
patent: 4633408 (1986-12-01), Reinmold et al.

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