Apparatus for making corrugated sheet material

Details Apparatus for making corrugated sheet material Apparatus for making corrugated sheet material

1978-02-14

1979-10-09

Larson, Lowell A.

Metal deforming

By use of 'flying tool' engaging moving work

With cutting

113116A, 428596, B21D 1304

Patent

active

041701224

ABSTRACT:
Apparatus for making corrugated sheet material, primarily intended for use in heat exchangers as secondary heat exchange surfaces, includes a pair of rolls rotatable in opposite directions to draw sheet between the rolls.
The rolls are made up of laminae each with the same corrugated profile having teeth circumferentially spaced around the laminae. The teeth of each lamina are spaced from the teeth of adjacent laminae so that the sheet is sheared into interconnected strips each of corrugated form, the corrugations being displaced from one another in the longitudinal direction of the strips.
The corrugated material produced by the apparatus has improved heat exchange characteristics by virtue of the presentation to a flow of fluid over the material of a plurality of free edges of the material.

REFERENCES:
patent: 475700 (1892-05-01), Ohl
patent: 1067521 (1913-07-01), Jones
patent: 1455061 (1923-05-01), Barrett
patent: 3083662 (1963-04-01), Zeidler

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