Self-contained gas injector

Details Self-contained gas injector Self-contained gas injector

1994-02-14

1996-04-30

Woo, Jay H.

Plastic article or earthenware shaping or treating: apparatus

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

Including means to prepare parison

26432812, 264334, 264572, 425444, 425537, 425546, 425556, B29C 4400, B29C 4540

Patent

active

055119670

ABSTRACT:
A gas assisted injection molding machine includes an injector valve assembly secured to the clamping plate and having an elongate supply duct extending through the core and into the mold cavity. The duct supports a valve member for sliding movement and is itself supported in the core by an ejector sleeve. The ejector sleeve moves with the ejection mechanism to force molded articles off the end of the supply duct.

REFERENCES:
patent: 4474717 (1984-10-01), Hendry
patent: 4917594 (1990-04-01), Gellert et al.
patent: 5047183 (1991-09-01), Eckardt et al.
patent: 5135703 (1992-08-01), Hunerberg et al.
patent: 5198238 (1993-03-01), Baxi
patent: 5273707 (1993-12-01), Carroll
patent: 5282730 (1994-02-01), Daniels et al.
patent: 5354523 (1994-10-01), Slal
Publication--Cinpres Ltd.; FIG. 8--Typical Nozzle Assembly.
Publication--Cinpres Ltd.; FIG. 9--Typical Assy on Tool Split Line.

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