Wedge die for producing bent plywood

Details Wedge die for producing bent plywood Wedge die for producing bent plywood

1983-03-18

1984-11-27

Bray, W. D.

Woodworking

Wood bending press

100211, 1565836, 1565838, B27H 100

Patent

active

044846096

ABSTRACT:
A wedge die is provided for shaping plywood or the like into a desired configuration. It includes a female die section having a body member with a channel defined therein. The channel has opposing inwardly tapered walls and an inner surface connecting these walls. First and second generally L-shaped slidable members are held by spring members and connecting links within the channel and in contact with the tapered walls. The slidable members have opposing inner surfaces which correspond to the desired exterior surface of the workpiece. A compressible bumper is positioned between the inner surface of the channel and each of the slidable members. A male die member having an exterior surface corresponding to the desired interior surface of the workpiece is also provided. In operation, the female die section is forced upon the male die member. After the male die member is a certain distance within the channel, the slidable members move towards the inner surface of the channel and accordingly toward each other. Vertical and horizontal pressure is thereby applied to the workpiece.

REFERENCES:
patent: 2149507 (1939-03-01), Camfield
patent: 3063483 (1962-11-01), Shumacher

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