Method of making of header for automotive air conditioner evapor

Details Method of making of header for automotive air conditioner evapor Method of making of header for automotive air conditioner evapor

1988-04-08

1989-05-09

Goldberg, Howard N.

Metal working

Means to assemble or disassemble

Puller or pusher means, contained force multiplying operator

72316, 72370, 72398, B21D 5300

Patent

active

048275905

ABSTRACT:
A header for an automotive air conditioner evaporator is made from a cut-off length of a cylindrical aluminum tube (10), one end of which is clamped on a cylindrical arbor (11) so that a header region (20) of the tube can be pressed into a generally rectangular shape in a channel-shaped forming tool (15). While confined within the forming tool, a forming arbor (25) having a generally rectangular cross-sectional shape is pressed into header region (20) to conform the header region to the shape of forming arbor (25) and the confines of forming tool (15).

REFERENCES:
patent: 745254 (1903-11-01), Sneddon
patent: 1699688 (1929-01-01), Cross
patent: 3889511 (1975-06-01), Bayle
patent: 3977227 (1976-08-01), Noble
patent: 4722216 (1988-02-01), Fencl

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