Metal working – Means to assemble or disassemble – Puller or pusher means – contained force multiplying operator
Patent
1983-10-27
1986-01-28
Goldberg, Howard
Metal working
Means to assemble or disassemble
Puller or pusher means, contained force multiplying operator
291217, B02C 430
Patent
active
045661650
ABSTRACT:
The manufacture of a cylinder, particularly for use in sugar mills, which has an exterior surface defining circular grooves of a cross section having the shape of a triangle, each triangle having an apex at a bottom of the groove in a respective transverse plane extending substantially perpendicularly to the axis of the cylinder, and the bottom of each groove being in communication with longitudinal channels extending substantially parallel to the axis in the cylinder, is simplified by inserting plugs into radial channels in the cylinder in a plurality of the transverse planes before making the circular grooves which are cut into the plugs into the inner ends of which are formed circular slots of sufficient length to connect the grooves to the longitudinal channels.
REFERENCES:
patent: 3101510 (1963-08-01), Packham
patent: 3969802 (1976-07-01), Bouvet
patent: 4391026 (1983-07-01), Casey et al.
Burtch John T.
Fives-Cail Babcock
Goldberg Howard
Kelman Kurt
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