Bottom assist pre-blow system for blow molding machines

Details Bottom assist pre-blow system for blow molding machines Bottom assist pre-blow system for blow molding machines

1981-01-26

1982-09-07

Silbaugh, Jan H.

Plastic article or earthenware shaping or treating: apparatus

Female mold and means to shape parison directly by internal...

239288, 2392883, 2392885, 239587, 264529, 425530, 425532, 425537, B29C 1707, B05B 1508, B05B 1510

Patent

active

043481671

ABSTRACT:
A device for improving the control of the shape of a parison of a blow molding machine. The device has an inner nozzle positioned below the lowermost level of the parison and directed upwardly toward the open end of the parison. The device may be adapted to pivot so that a deflector plate is moved below the finished part.

REFERENCES:
patent: Re25290 (1962-12-01), Parfrey
patent: 3091803 (1963-06-01), Scott, Jr. et al.
patent: 3115673 (1963-12-01), Rudolph
patent: 3789093 (1974-01-01), Bose
patent: 4027433 (1977-06-01), Hockett

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