Abrasive tool making process – material – or composition – Impregnating or coating an abrasive tool
Patent
1979-04-16
1980-12-30
Whitehead, Harold D.
Abrasive tool making process, material, or composition
Impregnating or coating an abrasive tool
51235, 269 21, 279 3, B24B 912
Patent
active
042415462
ABSTRACT:
The invention relates to a holding device for cup-shaped glassware articles in a glass processing machine, especially in a bursting and grinding machine, wherein the cup is placed into the holding device prior to commencement of the processing operation. The cup is retained during processing of the articles in the holding device which comprises a cup-shaped holding element the cavity of which receives said cup. The base portion of the cup may be engaged by a rotating holder of said glass processing machine, and the marginal inner face of said holding element mounts means for retaining cup as it is transferred from station to station in the machine.
REFERENCES:
patent: 176525 (1876-04-01), Fry
patent: 255384 (1882-03-01), Fox
patent: 469052 (1892-02-01), Wood
patent: 1122114 (1914-12-01), Hill
patent: 1607292 (1926-11-01), Miller
patent: 1744313 (1930-01-01), Kadow
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