Stone roller for paper making machines

Details Stone roller for paper making machines Stone roller for paper making machines

1986-03-17

1987-02-17

Goldberg, Howard N.

Metal working

Means to assemble or disassemble

Puller or pusher means, contained force multiplying operator

29123, 291484D, 241293, 512064, B31B 3108, B02C 1900

Patent

active

046428623

ABSTRACT:
A stone roller for paper making machines having a tubular body made of stone with an axial borehole. A plurality of tie-rods extend along the inner wall of the borehole and parallel to its axis. The tie-rods are used to clamp plates against the two ends of the roll body. A corepiece, sealingly connected to both clamping plates, is disposed within the borehole, creating an annular space sealed off from the central region of the bore. The tie-rods extend through the annular space. The space is filled with a plastic which is introduced in liquid form at room temperature and then hardened. The hardened plastic prevents the tie-rods from vibrating and shields them from corrosive elements.

REFERENCES:
patent: 1132258 (1915-03-01), Hall
patent: 1518422 (1924-12-01), Greene
patent: 2141608 (1938-12-01), Larsson
patent: 2450226 (1948-09-01), Beth
patent: 2450227 (1948-09-01), Beth
patent: 3077640 (1963-02-01), Owen
patent: 3620462 (1971-11-01), Dooley, Jr.
patent: 4272873 (1981-06-01), Dietrich

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