Collapsible core assembly for a molding apparatus

Details Collapsible core assembly for a molding apparatus Collapsible core assembly for a molding apparatus

2011-08-23

2011-08-23

Tucker, Philip C (Department: 1745)

Plastic article or earthenware shaping or treating: apparatus

Press forming apparatus having opposed press members

Male shaping member and female mold

C425S438000, C425S577000, C425S809000, C425SDIG058, C249S178000, C249S180000, C249S184000, C264S313000, C264S318000

Reexamination Certificate

active

08002538

ABSTRACT:
A collapsible core device for molding articles around the core device in a mold cavity includes an expansion member, a discontinuous first sleeve and a discontinuous second sleeve. When the expansion member is fitted within the first and second sleeves, the expansion member and the first and second sleeves form a substantially continuous, flush top molding surface with the first and second sleeves.

REFERENCES:
patent: 3247548 (1966-04-01), Harold et al.
patent: 3632264 (1972-01-01), Butcher
patent: 3655323 (1972-04-01), Hall
patent: 4021180 (1977-05-01), Smith
patent: 4209161 (1980-06-01), Horvath
patent: 4286766 (1981-09-01), von Holdt
patent: 4533312 (1985-08-01), Von Holdt
patent: 4618121 (1986-10-01), Conti
patent: 4627810 (1986-12-01), Von Holdt
patent: 4723430 (1988-02-01), Hahn
patent: 4861257 (1989-08-01), Siotani
patent: 4919608 (1990-04-01), Catalanotti et al.
patent: 4938679 (1990-07-01), Pietrorazio
patent: 5403179 (1995-04-01), Ramsey
patent: 6506330 (2003-01-01), Schweigert et al.
patent: 7293341 (2007-11-01), Zydron
patent: 2006/0061009 (2006-03-01), Clack
patent: 2009/0152770 (2009-06-01), Mikac et al.

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