Apparatus and method for making a chevron matrix strip

Details Apparatus and method for making a chevron matrix strip Apparatus and method for making a chevron matrix strip

1975-06-25

1976-11-02

Larson, Lowell A.

Metal deforming

By use of 'flying tool' engaging moving work

Included in plural deforming stations or passes

72196, 113118R, B21D 1310

Patent

active

039889173

ABSTRACT:
An apparatus and method for forming an indefinite length of flat strip material into a chevron-shaped matrix strip element used in the fabrication of a heat exchange matrix disk for a rotary regenerator heat exchange apparatus, or similar device, in which the chevron matrix strip is formed by passing the flat strip material between the mating shaped teeth of a pair of preforming rolls which preform the chevron shape and coin chevron break lines in this material, the thus preformed matrix strip then being advanced through a guide passage between a pair of gathering rolls which feed (gather-form) the matrix strip and at the exit of this passage a pair of indexing rolls are positioned to control (index) the matrix feed-out of the passage, all of these elements being suitably supported on a suitable frame with the separate sets of rolls being driven in predetermined timed relation to each other.

REFERENCES:
patent: 767883 (1904-08-01), Grafton
patent: 1937466 (1933-11-01), Smith et al.
patent: 2329789 (1943-09-01), Schank et al.
patent: 2684707 (1954-07-01), Getz

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