Title:
GRINDER FOR GRINDING OR ROUGHLY ABRADING RUBBER PRODUCT
Document Type and Number:
Japanese Patent JPS63200954
Kind Code:
A
Abstract:
A grinding machine for grinding or rasping of the back of tread rubber (2) for retreading rubber tyres comprises a conveyor belt (1) carrying the rubber item (2) in under a grinding roller (3) assisted by one-sidedly rotating rollers (4, 5). Under the grinding roller (3) the conveyor belt is supported by a table (14) resting on a bellows cylinder (13), said table (14) carrying support means comprising blocks (30) resting on a hose (28) under pressure. On the convex top side (38) of each block rests a fish-plate (32), the top side (34) of which supports the conveyor belt (1) immediately under the grinding roller (3). The fish-plates (32) may individually adapt themselves to the shape of the rubber item (2) during the grinding process.
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Inventors:
HOLST SVEND (DK)
JENSEN NIELS (DK)
JENSEN GEORG (DK)
JENSEN NIELS (DK)
JENSEN GEORG (DK)
Application Number:
JP17288A
Publication Date:
August 19, 1988
Filing Date:
January 05, 1988
Export Citation:
Assignee:
B & J ROCKET RASP AS (DK)
International Classes:
B24B7/30; B24B7/06; B24B21/08; B24B41/06; (IPC1-7): B24B7/06
Attorney, Agent or Firm:
Shinichi Ogawa (2 outside)