Molded article knock-out apparatus

Details Molded article knock-out apparatus Molded article knock-out apparatus

1980-02-25

1982-05-18

Woo, Jay H.

Plastic article or earthenware shaping or treating: apparatus

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

Including product ejector

264334, 425422, 425436R, 425444, 425554, B29D 2303

Patent

active

043302564

ABSTRACT:
A knock-out method and apparatus for use in connection with the molding of articles, such as, for example, oil seals fabricated from elastomeric material bonded to a rigid casing, including a plurality of plunger members to apply successive sequential forces to selected sets of molded oil seals for removal thereof from frictional engagement within the molding machine and permit subsequent retrieval from the molding machine. The plurality of plunger members move upward into contact with oil seals retained in the molding center plate to apply sequential forces to the selected sets of the molded articles to position the seals for ready access on top of the plate.

REFERENCES:
patent: 2055742 (1936-09-01), Burke
patent: 3718415 (1973-02-01), De Felice
patent: 3798299 (1974-03-01), Gumm et al.
patent: 3825643 (1974-07-01), Hillier et al.
patent: 3893644 (1975-07-01), Drazick
patent: 3914086 (1975-10-01), Hujik
patent: 3950119 (1976-04-01), Reichenbach
patent: 4050666 (1977-09-01), Tichelt

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