Method for reinforcing by means of small plates at least end row

Details Method for reinforcing by means of small plates at least end row Method for reinforcing by means of small plates at least end row

1983-03-28

1989-03-21

Eley, Timothy V.

Metal working

Means to assemble or disassemble

Puller or pusher means, contained force multiplying operator

29515, B21D 5302

Patent

active

048131121

ABSTRACT:
For reinforcing the connection between the tubes of a heat exchanger and the tube end plate in which they are engaged, the tube end plate is formed by punching for delimiting collars having a bevelled end and forming bulged bottoms between the collars, then a small plane plate is applied on the bulged bottoms, the small plane plate being brazed in the same time as the tubes and the tube end plate.

REFERENCES:
patent: 4234041 (1980-11-01), Melnyk
patent: 4272006 (1981-07-01), Kao
patent: 4327800 (1982-05-01), Miller

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