Roller press for compacting fine-grained salts into sheets

Details Roller press for compacting fine-grained salts into sheets Roller press for compacting fine-grained salts into sheets

1988-07-22

1990-05-15

Thurlow, Jeffery

Plastic article or earthenware shaping or treating: apparatus

Press forming means, press reshaping means, or vulcanizing...

Including means to adjust relative position of a roll

264118, 100160, 100169, 425369, B30B 1118, B28B 316

Patent

active

049253824

ABSTRACT:
A roller press for compacting fine-grained chemicals, especially salts, into sheets, having synchronously driven rollers with two axially spaced pressing surfaces on ring elements being provided with radial shoulders at both of their ends. Screw feeders for feeding the salt into the roll nip and wedge-shaped wall elements closing-off the roll nip in the axial direction on both ends of said ring elements and bearing against the shoulders, are also provided. Adjustment rods acting parallel to the roll axis are provided for the outer wall elements and vertical rods between the inner wall elements acting onto these wall elements via wedge-shaped surfaces arranged on said rods and the walls of said wall elements facing each other. The ring elements are integral with the roller bodies or separate cylindrical rings shrink-fit onto the roller bodies. Each ring element is associated with at least two screw feeders. The pressing surfaces of said ring elements are provided with ribs with interruptions in axial direction of the pressing surfaces. The ribs are each formed in a zig-zag shape including two spaced closed arrow tips leading in the direction of revolution.

REFERENCES:
patent: 2919466 (1960-01-01), Roemer
patent: 2998623 (1961-09-01), Lawson et al.
patent: 3497321 (1970-02-01), Decker et al.
patent: 3570054 (1971-03-01), Seanor et al.
patent: 3611486 (1971-10-01), Fox
patent: 3635637 (1972-01-01), Bergendahl
patent: 3781151 (1973-12-01), Harris
patent: 3886249 (1975-05-01), Manganaro
patent: 3988095 (1976-10-01), Mersch et al.
patent: 4441416 (1984-04-01), Tsutsumi
patent: 4519188 (1985-05-01), Webster et al.

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