Method and apparatus for forming a metal strip

Details Method and apparatus for forming a metal strip Method and apparatus for forming a metal strip

1977-12-29

1979-11-13

Mehr, Milton S.

Metal deforming

By deflecting successively-presented portions of work during...

By use of deflector arranged to bend work transversely of...

72181, B21D 508

Patent

active

041738799

ABSTRACT:
A method and apparatus for forming a metal strip into a shape having a transverse concave, convex bow, for example, for forming slats for venetian blinds. The strip material is fed into the nip of a pair of forming rolls having complementary concave and convex peripheral surfaces, to provide the bow. In order to ensure that the resulting bowed strip is formed without any twist, the strip is fed along a substantially straight path upstream of the forming rolls, and the direction of this straight path is adjustable in a plane passing through the nip and parallel to the axes of the forming rolls.

REFERENCES:
patent: 469763 (1892-03-01), Williams
patent: 495147 (1893-04-01), Barraclough et al.
patent: 1588817 (1926-06-01), Smith
patent: 2262550 (1941-11-01), Hunter
patent: 3344641 (1967-10-01), Pomory
patent: 3555864 (1971-01-01), Wegner

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