Machine for forming tubes from a strip

Details Machine for forming tubes from a strip Machine for forming tubes from a strip

1982-06-21

1984-03-27

Jones, Jr., James L.

Metal deforming

By tool-couple pressing together adjacent surface portions...

To form helically-seamed tube

29235, 2924352, 493300, B21C 3712

Patent

active

044386435

ABSTRACT:
The method of forming tubes from strip in which a complementary rib and groove are spaced apart to each extend longitudinally on the strip and oppositely facing on the said strip characterized by guiding the strip into a helical configuration to overlap the edges of the said strip, and pressing together the overlapping parts of the said strip while maintaining a differential pressure in the direction of feed to force the strip together under such differential pressure.

REFERENCES:
patent: 3230123 (1966-01-01), Christensen
patent: 3863480 (1975-02-01), Meserole
patent: 3865146 (1975-02-01), Meserole
patent: 4058997 (1977-11-01), Siegwart

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