Static molds – Container-type molding device – Having plural mold sections
Patent
1984-04-13
1987-11-17
Hoag, Willard E.
Static molds
Container-type molding device
Having plural mold sections
425190, 425411, 425437, 425438, 425547, 425556, B29C 3304, B29C 4543, B29C 4566
Patent
active
047069244
ABSTRACT:
A stack mold having a pair of mold halves movable toward and away from another along an axis of movement and in which a plurality of mold plates are arranged parallel to one another between the mold halves and parallel to the axis of movement of the mold halves. This arrangement of the mold plates enables a larger number of large, thin parts to be simultaneously molded in a given size press than is possible in the prior art. Further, the mold plates are formed with hangers which support the mold plates on the mold halves, enabling different mold plates to be easily substituted without disassembling the mold structure and slides, and also eliminating the need for guide pins or pillars for the mold plates. The mold plates are supported on program plates having guide surfaces thereon for determining the opening and closing sequence of the mold plates during opening and closing movement of the mold press, and the central portion of the endmost mold plates is wedge-shaped. This structure also eliminates the need for guide pins or pillars for the mold plates.
REFERENCES:
patent: 653235 (1900-07-01), Gray
patent: 3357058 (1967-12-01), Kutik
patent: 3467990 (1969-09-01), Kutik et al.
patent: 3838460 (1974-10-01), Lovejoy
patent: 4025268 (1977-05-01), Taylor
patent: 4345965 (1987-08-01), Lindenmayer et al.
patent: 4472127 (1984-09-01), Cyriax et al.
Hoag Willard E.
Lambert Dennis H.
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