Vacuum system for a moving production line

Details Vacuum system for a moving production line Vacuum system for a moving production line

1980-12-31

1983-02-15

Pavelko, Thomas P.

Plastic article or earthenware shaping or treating: apparatus

Distinct means to feed, support or manipulate preform stock...

Female mold type means

264102, 425136, 425546, B29F 106

Patent

active

043738850

ABSTRACT:
In order to maintain a vacuum at a plurality of molds on an assembly line, each mold has its own vacuum unit operating with compressed air and a plurality of molds are interconnected to supply compressed air in series to each of the molds.

REFERENCES:
patent: 2513785 (1950-07-01), Browne
patent: 2524419 (1950-10-01), Billner
patent: 2771619 (1956-11-01), Stewart
patent: 2832995 (1958-05-01), McCaw
patent: 2903389 (1959-09-01), Fujita
patent: 2913036 (1959-11-01), Smith
patent: 3055058 (1962-09-01), Van Hartesveldt
patent: 4038014 (1977-07-01), Dusza et al.
patent: 4120632 (1978-10-01), Stoeberl
patent: 4179093 (1979-12-01), Western

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