Methods of forming inwardly flanged curved members and/or...

Details Methods of forming inwardly flanged curved members and/or... Methods of forming inwardly flanged curved members and/or...

B - Operations, Transporting

21

D

113/5

B21D 51/18 (2006.01)

Patent

CA 1108937

ABSTRACT Curved inwardly flanged members in the form of cylinders (1) or conical frusta have the flange (2) thereof formed by folding sheet material (24) about a plurality of fold lines (3,10) to form corrugations or castellations having sides (6) of triangular formation and diverging first frusta segments (11) and second frusta segments (4,16) lying on two diverging conical frusta of short height relative to diameter. Such cylinders and frusta have hubs (25,58) and comprise rotating drums suitable for laundry machines such as clothes washing machines and clothes driers. ,

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