Method for manufacturing valve covers of compressor

Details Method for manufacturing valve covers of compressor Method for manufacturing valve covers of compressor

1985-11-25

1987-05-26

Larson, Lowell A.

Metal working

Means to assemble or disassemble

Puller or pusher means, contained force multiplying operator

29445, 228155, 2281736, 228184, B21D 5300, B21K 2100

Patent

active

046673873

ABSTRACT:
A value cover of a compressor is manufactured by the following steps. First, a first metal plate, which has depressed portions for defining a muffling chamber and a connecting passage, is prepared. A second metal plate, which has depressed portions for defining a discharge chamber and the muffling chamber, is prepared. Then, the metal plates are joined together to form an integral structure having the discharge chamber, the muffling chamber, and the connecting passage defined by the depressed portions. Thereafter, the integral structure is bent at the portion for the connecting passage so that a predetermined angle is formed between the discharge chamber and the first metal plate forms the inner part of the bent portion and the muffling chamber.

REFERENCES:
patent: 1225788 (1917-05-01), Dies
patent: 1992835 (1935-02-01), Newman
patent: 2377557 (1945-06-01), Johnson
patent: 2944583 (1960-07-01), Welindt

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