Container type molding device of matched segments

Details Container type molding device of matched segments Container type molding device of matched segments

1974-08-27

1976-04-27

Annear, R. Spencer

Static molds

Mold including core and means to remove core

249149, 249153, 249179, 249180, B29C 1100

Patent

active

039529908

ABSTRACT:
A molding device including a rigid container defining a molding chamber and a mating collapsible member with walls and a floor and of a normal size and shape to mate in the rigid container and define a molding space between the container and the collapsible member; the collapsible member includes means to collapse it through a first stage of movement of withdrawal of the walls inwardly from a molded object and a second stage of movement of withdrawal of the floor axially upwardly away from the container and a molded object.

REFERENCES:
patent: 719679 (1903-02-01), Lyman
patent: 1747679 (1930-02-01), Perry
patent: 1997232 (1935-04-01), Richards
patent: 2961849 (1960-11-01), Hitchcock
patent: 3865529 (1975-02-01), Guzzo

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