Injection mold for forming crimp-on pour spouts

Details Injection mold for forming crimp-on pour spouts Injection mold for forming crimp-on pour spouts

2007-03-06

2007-03-06

Del Sole, Joseph S. (Department: 1722)

Plastic article or earthenware shaping or treating: apparatus

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

With product ejector

C425S443000, C425S577000

Reexamination Certificate

active

10857721

ABSTRACT:
An injection mold has first, second and third mold parts. The first mold part defines a void having a front end, a rear end and a central axis. The second mold part includes a plug portion and a protuberant portion. The third mold part has a molding position frontwardly adjacent the first mold part and is frontwardly movable relative to the first mold part to a respective release position. The three mold parts have a molding configuration corresponding to molding positions of the second mold part and the third mold part. The mold parts define a mold cavity for an article having a main body, tubular spout, and annular rim portions. The first, second and third mold parts also have a release configuration corresponding to the release positions of the second and third mold parts, permitting the removal of a molded article from the mold.

REFERENCES:
patent: 3534443 (1970-10-01), Tucker
patent: 4533312 (1985-08-01), Von Holdt
patent: 4653997 (1987-03-01), Sheffield et al.
patent: 4695421 (1987-09-01), Takeda
patent: 5518679 (1996-05-01), Junk
patent: 6390800 (2002-05-01), Brown et al.
patent: 6506330 (2003-01-01), Schweigert et al.

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