Apparatus for the injection molding of plastic material

Details Apparatus for the injection molding of plastic material Apparatus for the injection molding of plastic material

1997-03-12

1998-08-04

Mackey, James P.

Plastic article or earthenware shaping or treating: apparatus

Female mold and charger to supply fluent stock under...

With means to close mold

4254501, B29C 4567

Patent

active

057890340

ABSTRACT:
Apparatus for the injection molding of plastic material into a mold formed from two mold halves (8, 9), wherein one mold half (9) is arranged on a movable mold mounting plate (7) and the piston rod (1) applying the closing pressure to that mold mounting plate (7) takes part in the movement of the mold mounting plate (7) and in so doing slides with its outside against the inner seal (17) of a stationary cylinder tube (3), wherein the cast piston rod (1) is provided in the region which comes into contact with the seal (2) of the cylinder tube (3) with a hard coating of another material.

REFERENCES:
patent: 4744740 (1988-05-01), Kojima
patent: 4925618 (1990-05-01), Takada
patent: 5147661 (1992-09-01), Kurumaji et al.
patent: 5211970 (1993-05-01), Sakurai et al.
patent: 5249951 (1993-10-01), Leonhartsberger et al.
patent: 5302108 (1994-04-01), Wohlrab
patent: 5332385 (1994-07-01), Leonhartsberger
patent: 5536166 (1996-07-01), Schad
patent: 5556656 (1996-09-01), Lampl et al.
Metals Handbook, Tenth Edition, vol. 1, ASM International, pp. 33-50, Mar. 1990.
ASM Handbook, vol. 5, ASM International, p. 735, Dec. 1994.

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