Apparatus for forming corrugated sheet material

Details Apparatus for forming corrugated sheet material Apparatus for forming corrugated sheet material

1979-08-09

1981-07-28

Larson, Lowell A.

Metal deforming

By use of 'flying tool' engaging moving work

With cutting

72187, 72379, B21D 1304, B21D 1310

Patent

active

042803527

ABSTRACT:
Apparatus for forming corrugated sheet material includes coacting rolls (10,11) by which material having corrugations with crests and intervening flanks is formed. The crests are closed up to one another by a first pair of rollers (22) which run at relatively high speed followed by a second pair of rollers (27) which run at a relatively low speed. The rollers engage the crests or the side edges of the material to control the rate of feed of the material between each pair of rollers.
The invention finds application in forming corrugated metal sheet for heat exchangers.

REFERENCES:
patent: 767883 (1904-08-01), Grafton
patent: 3673846 (1972-07-01), Levington et al.
patent: 3850018 (1974-11-01), Drosnin
patent: 3988917 (1976-11-01), Mykolenko
patent: 4012932 (1977-03-01), Gewiss

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