Metal deforming – Process – Deforming sheet metal
Patent
1998-02-25
1999-11-23
Butler, Rodney
Metal deforming
Process
Deforming sheet metal
156196, B21C 3702
Patent
active
059879572
ABSTRACT:
A method of forming a metal-thermoplastic polymer-metal laminate into a desired shape comprising the steps of: heating a metal-thermoplastic polymer-metal laminate to a temperature exceeding the melting temperature of the thermoplastic polymer; forming the heated laminate into a desired shape; and cooling the formed laminate. A method of making a cassette comprising the steps of: providing a front panel and a back panel with at least the front panel formed from a shaped metal-thermoplastic polymer-metal laminate; joining the panels so that a cavity exists between them; positioning at least one intensifying screen between the panels, the screen adapted to contact an x-ray film placed in the cassette, such that the shaped laminate panel presses the screen and film in intimate contact; wherein the metal-thermoplastic polymer-metal laminate panel is formed into a desired shape by the steps of: heating a metal-thermoplastic polymer-metal laminate to a temperature exceeding the melting temperature of the thermoplastic polymer; forming the heated laminate into a desired shape; and cooling the formed laminate.
REFERENCES:
patent: 4116736 (1978-09-01), Sanson et al.
patent: 4390489 (1983-06-01), Segal
patent: 5743979 (1998-04-01), Lorbiecki
Corby Kenneth D.
Foeller David E.
Butler Rodney
Eastman Kodak Company
Noval William F.
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