Method for heating and molding platelike parts

Details Method for heating and molding platelike parts Method for heating and molding platelike parts

1993-02-16

1995-03-07

Fiorilla, Christopher A.

Metal working

Method of mechanical manufacture

Assembling or joining

156245, 156292, 264544, 264545, 264547, 432 5, 432225, B21D 3902, B29C 3902

Patent

active

053946030

ABSTRACT:
A method is provided for heating and transferring a substantially flat workpiece made of a deep drawable plastic material including the steps of enclosing at least a substantial portion of the workpiece between first and second opposing carrier plates such that a gas-tight seal may be formed by one of the carrier plates about the substantial portion of the workpiece and supplying hot gases through a gas distribution conduit associated with the first carrier plate while withdrawing hot gases through a gas distribution conduit associated with the second carrier plate such that the workpiece is heated and transferred to the second carrier plate. The workpiece is then transferred to a third carrier plate or a deep-drawing device.

REFERENCES:
patent: 2468697 (1949-04-01), Wiley
patent: 2668701 (1954-02-01), Dietrich
patent: 3353219 (1967-11-01), Snyder
patent: 3441983 (1969-05-01), Cheney
patent: 3505441 (1970-04-01), Goetgheluck
patent: 4092390 (1978-05-01), Mulvany, Jr.
patent: 4306856 (1981-12-01), Arippol
patent: 4397804 (1983-08-01), Medwed
patent: 4607826 (1986-08-01), Ron
patent: 4689004 (1987-08-01), Kunkel
patent: 5158786 (1992-10-01), Reil et al.

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