Metal working – Method of mechanical manufacture – Structural member making
Patent
1992-01-24
1993-11-30
Eley, Timothy V.
Metal working
Method of mechanical manufacture
Structural member making
298973, 29521, 52762, 52781, B21D 3900
Patent
active
052653331
ABSTRACT:
The specification discloses a method of forming a self sustained cladding panel 10 for use in a cladding panel system for a building using a resilient metal or metal alloy sheet material. The panels have a central visible portion 12 and longitudinally extending side edges 14, 16. The central visible portion has, in its relaxed state, a shape which is significantly different from the intended final shape and the panel is subsequently formed so that its central visible portion is resiliently formed into the final shape, with a resilient deformation taking place within the elastic range of the sheet material. The panel is then retained in this final shape by interconnecting the longitudinally extending side edges 14, 16 either continuously or by spaced elements such as clips.
REFERENCES:
patent: 1878812 (1930-09-01), Berger
patent: 3277622 (1966-10-01), Jensen
patent: 3305994 (1967-02-01), Amrhein et al.
patent: 4085558 (1978-04-01), Albrecht
patent: 4328653 (1982-05-01), Anderle
Lim Guy H.
Louwerens Cornelis
Rijnders Willem
Eley Timothy V.
Hunter Douglas International N.V.
Polumbus Gary M.
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