Molding apparatus

Details Molding apparatus Molding apparatus

1995-11-02

1997-06-17

Woo, Jay H.

Plastic article or earthenware shaping or treating: apparatus

Shaping surface including means to release or remove product...

By movable ejector means entering mold cavity

425436R, 425556, B29C 4540

Patent

active

056394888

ABSTRACT:
There is disclosed a molding apparatus which includes an ejector pin (16) having, at its forward end, an ejecting portion (33) permitted to abut against an end surface of a tubular elastic resin product (28) and gradually flaring out toward a forward end thereof, and an annular recess (9) for receiving an annular edge portion (26), whereby the tubular elastic resin product (28) is released from a cavity (22) without damages to a base portion of the annular edge portion (26).

REFERENCES:
patent: 2822578 (1958-02-01), Lobell
patent: 3150220 (1964-09-01), Howell
patent: 3508299 (1970-04-01), Ahern
patent: 3577843 (1971-05-01), Kutik
patent: 3930778 (1976-01-01), Roncelli
patent: 4052033 (1977-10-01), Taylor
patent: 4239174 (1980-12-01), Muller et al.
patent: 4330256 (1982-05-01), Reichenbach et al.
Copy of International Technical Journal M & E published on Apr. 1, 1995 By: Kogyo Chosakai Publishing Co., Ltd.

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