Mold for forming composite-material structures

Details Mold for forming composite-material structures Mold for forming composite-material structures

1991-03-11

1992-08-04

Woo, Jay H.

Plastic article or earthenware shaping or treating: apparatus

Three or more platens movable on intersecting paths to...

425394, 425411, 4254517, 425DIG129, B29C 6100

Patent

active

051353822

ABSTRACT:
A composite-material structure of T-shaped cross section has a horizontal plate and an integral vertical web. The vertical web is formed between opposite forming faces of die members, and the horizontal plate is formed between the die members and a horizontal pressing plate positioned above or below the die members. In order to urge the die members against each other for forming, wedges are provided. The die members, pressing plate and wedges are placed between a lower stationary part and an upper movable part of a pressing machine. When the movable part descends towards the stationary part, the wedges exert forces to the die members to urge the members toward each other due to a wedge action, and the pressing plate is vertically urged against the die members.

REFERENCES:
patent: 1321125 (1919-11-01), Pfanstiehl
patent: 1386003 (1921-08-01), Kempton
patent: 2442516 (1948-06-01), Shriver
patent: 3149374 (1964-09-01), Wagner
patent: 3447205 (1969-06-01), Dorsey
patent: 3682576 (1972-08-01), Gross
patent: 3797979 (1974-03-01), Greenwood
patent: 4889480 (1989-12-01), Nakamura et al.
patent: 4971543 (1990-11-01), Minor
patent: 5035591 (1991-07-01), Soeda et al.

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