Metal working – Means to assemble or disassemble – Puller or pusher means – contained force multiplying operator
Patent
1987-05-27
1988-09-27
Echols, P. W.
Metal working
Means to assemble or disassemble
Puller or pusher means, contained force multiplying operator
29428, 29460, B23P 1500
Patent
active
047731443
ABSTRACT:
The disclosure concerns a method of manufacturing scroll expander and a scroll compressor including winding together strips of different width so that the wider strip forms a scroll or spiral and the narrower strip partially occupies the inter-convolution spaces of the wider strip.
REFERENCES:
patent: 4550480 (1985-11-01), Tanikawa et al.
patent: 4615091 (1986-10-01), Nuva et al.
patent: 4690625 (1987-09-01), Murayama et al.
patent: 4696084 (1987-09-01), Hirano et al.
patent: 4720899 (1988-01-01), Ando et al.
Cuda Irene
Echols P. W.
Youtie Robert K.
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