B - Operations – Transporting – 21 – D
Patent
B - Operations, Transporting
21
D
113/66
B21D 22/20 (2006.01) B31F 1/24 (2006.01)
Patent
CA 1220985
ABSTRACT OF THE DISCLOSURE A corrugated member and method of manufacture are disclosed. The corrugated member comprises a top web and a carrier web manufactured by stepwise forward feed movement of the carrier web, with simultaneous deformation of the top web and joining of the two webs. At a shaping station, a deforma- tion element is first introduced between the top web and the carrier web, and the top web is pressed against the carrier web by a first pressing means downstream of the deformation element. Then, upstream of the deformation element, the top web is pressed against the deformation element by a second pressing means, stretched over the deformation element, and joined to the carrier web. The process and apparatus simplify and shorten manufacturing time and the corrugated members produced may have any desired shape.
419008
Hofer Otto J.
Mcfadden Fincham
LandOfFree
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