B - Operations – Transporting – 21 – D
Patent
B - Operations, Transporting
21
D
113/67
B21D 22/00 (2006.01) B21D 25/02 (2006.01) B21D 26/02 (2006.01)
Patent
CA 1293652
-12- ABSTRACT Forming Or Metal Articles Metal articles are shaped by contacting a metal blank with a diaphragm of plastically deformable metal which may be superplastic aluminium and urging the diaphragm against the blank and against a mould so that the diaphragm and body are deformed. The mould may be male or female. Thin metal articles of complex shape may be made easily and cheaply.
489121
Barnes Anthony John
Stracey Russell James
Luxfer Group Limited
Sim & Mcburney
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