Moulding mechanism for a glassware forming machine

Details Moulding mechanism for a glassware forming machine Moulding mechanism for a glassware forming machine

1987-12-17

1989-03-07

Lindsay, Robert L.

Glass manufacturing

Blowing means with blow mold

With means heating and/or cooling apparatus

65319, 65356, C03B 1112

Patent

active

048102784

ABSTRACT:
A moulding mechanism for a glassware forming machine comprises a mould (30; 170, 172), a supporting plate (31; 174) supporting at least a bottom portion of the mould, a plenum chamber (32, 34; 176, 177) extending downwardly from the supporting plate and arranged to supply air at substantially equal pressure to passages (33, 175) in the supporting plate which communicate with cooling passages (50; 192, 194) in the mould, and a piston and cylinder assembly (36, 38; 178, 180) operable to raise and lower the supporting plate (31; 174). At least a portion of the plenum chamber (32, 34; 176, 177) is formed as a tubular piston rod (34; 177) extending upwardly from the piston (36; 178) of the piston and cylinder assembly.

REFERENCES:
patent: 4490164 (1984-12-01), Neblung et al.
patent: 4609393 (1986-09-01), Boutier
patent: 4657573 (1987-04-01), Jones
patent: 4690703 (1987-09-01), Kulig
patent: 4701202 (1987-10-01), Foster

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