Insert on extended deck and process of molding

Details Insert on extended deck and process of molding Insert on extended deck and process of molding

1994-05-20

1995-07-18

Nguyen, Khanh

Plastic article or earthenware shaping or treating: apparatus

Distinct means to feed, support or manipulate preform stock...

Female mold type means

425117, 425125, 425183, 425184, 425190, 249102, B29C 4514, B29C 4533

Patent

active

054335922

ABSTRACT:
A mold for making bathtubs includes a mold receptor and a deck insert attached to the mold receptor face. The preferred deck insert has at least one projection designed to reduce the cross-sectional area of a portion of a void between the shell's deck and the deck forming face of the insert. Preferably, the distance from the outer edge of the shell's deck to the outer edge of the projection is about 16% of the length of the deck of the sanitary fixture. In an alternative embodiment, the deck insert has at least one outermost projection and at least one non-outermost projection. The outermost projection is preferably about half the height of the non-outermost projection. In another preferred embodiment, the deck insert includes at least one outermost projection and at least one non-outermost projection. The height of the outermost projection varies from a maximum height near the middle of the deck, to a minimum height near the end of the deck. The mold receptor receives a shell which has a finish side and a non-finish side. The shell is placed in the mold receptor leaving a void between the non-finish side of the shell and the deck insert of the receptor. The insert is attached to the mold receptor to reduce the cross-sectional area of a portion of the space between the shell deck and mold receptor.

REFERENCES:
patent: 4664982 (1987-05-01), Genovese et al.
patent: 5049443 (1991-05-01), Kuszaj et al.
patent: 5098629 (1992-03-01), Marsilio
patent: 5119518 (1992-06-01), Marsilio
patent: 5129804 (1992-06-01), Perantoni et al.
patent: 5182116 (1993-01-01), Ohaus

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