Metal working – Means to assemble or disassemble – Puller or pusher means – contained force multiplying operator
Patent
1989-02-08
1989-09-19
Moon, Charlie T.
Metal working
Means to assemble or disassemble
Puller or pusher means, contained force multiplying operator
291636, 29445, 29125, 100121, 156644, B21K 102, B21K 520, B23P 900
Patent
active
048668265
ABSTRACT:
The compression roll comprises a plurality of thin circular plates stacked in axial direction of the compression roll, these plates having a plurality of holes which is provided at a fixed spacing around the center of the plates and becomes continuous through holes which pass through stacked plates, and a plurality of grooves which is formed from the outer circumference to the holes and becomes microholes which extend from the circumferential surface to the through holes. The through holes are connected to the pressure guide on the side of the roll.
REFERENCES:
patent: 3217387 (1965-11-01), Strindlund
patent: 3700418 (1972-10-01), Mayeda
patent: 3825456 (1974-07-01), Weber et al.
patent: 3975814 (1976-08-01), Harrowing
patent: 4149304 (1979-04-01), Brynjegard
patent: 4207668 (1980-06-01), Previte
patent: 4561156 (1985-12-01), Sun
patent: 4566165 (1986-01-01), Georget
patent: 4686752 (1987-08-01), Sharples
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