Hot press for heat forming a disc pad

Details Hot press for heat forming a disc pad Hot press for heat forming a disc pad

1990-04-18

1991-12-17

Woo, Jay H.

Plastic article or earthenware shaping or treating: apparatus

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

Female mold type means

100193, 100221, 100265, 425127, 425346, 425406, 425407, 425411, 425412, B30B 700, B30B 1534

Patent

active

050730991

ABSTRACT:
A hot press for heat forming a disc pad including a pair of presses arranged vertically and in opposition to each other, a support for coupling the pair of presses with each other, a base fixed in a vertically intermediate portion of the support, first heat plates interposed between respective rams of the presses and the base through first adiabatic members respectively so as to be movable up and down vertically together with the rams of the respective presses, second heat plates provided on opposite sides of the base through second adiabatic members respectively, molds respectively inserted between one pair of the first and second heat plates in opposition to each other and the other pair of the first and second heat plates in opposition to each other, each of the molds including a lower mold, and an upper mold fitting into the intermediate mold in which friction material is put, and springs for keeping a predetermined distance to between the springs and the intermediate molds.

REFERENCES:
patent: 3795473 (1974-03-01), Holik
patent: 4417867 (1983-11-01), Bauer
patent: 4441877 (1984-04-01), Pagnoni
patent: 4968468 (1990-11-01), Leinweber

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