Process and mould for the manufacture of multi-walled hollow bod

Details Process and mould for the manufacture of multi-walled hollow bod Process and mould for the manufacture of multi-walled hollow bod

1980-01-08

1981-09-08

Kellogg, Arthur D.

Glass manufacturing

Processes

With destruction or delamination of transitory attached or...

65 18, 65 68, 65374R, 65374M, C03B 1110

Patent

active

042882389

ABSTRACT:
The manufacture of double-walled or multi-walled hollow bodies, especially of glass, is difficult in practice and entails great expense. According to the invention, the cavity formed between the walls of the hollow body is filled with auxiliary moulds or auxiliary mould parts which serve to mould the walls of the hollow body and which, after manufacture of the latter, can be removed from the cavities, especially by dissolving in a solvent, without destroying or even adversely affecting the hollow body.

REFERENCES:
patent: 301329 (1884-01-01), Beck
patent: 778286 (1904-12-01), Thomson
patent: 1368958 (1921-02-01), Miller
patent: 2266349 (1941-12-01), Wempe
patent: 3770405 (1973-11-01), DeAngelis et al.

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