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Title:
APPARATUS AND METHOD FOR TREATING WALL BLOCKS
Document Type and Number:
WIPO Patent Application WO2003097951
Kind Code:
A3
Abstract:
An apparatus and a method for treating the surfaces and edges of a block to mimic the appearance of natural stone. The apparatus and method can treat up to four sides of a block, can be adjusted to provide varying degrees of surface and edge treatment, and useful in high volume block production equipment. Blocks are produced having a natural, weathered appearance without the damage, breakage, dust, or expense associated with conventional splitting and tumbling methods.

Inventors:
SUTO ANTAL
CAMPAU JOHN A
CAMPAU JOHN DANIEL
REUSCHEL DONALD
MACDONALD ROBERT
Application Number:
PCT/US2003/015252
Publication Date:
June 10, 2004
Filing Date:
May 15, 2003
Export Citation:
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Assignee:
KEYSTONE RETAINING WALL SYSTEM (US)
International Classes:
B28B11/08; B28D1/26; B28D1/30; (IPC1-7): B28B11/08; B28B11/12; B29C59/02
Foreign References:
US3904245A1975-09-09
US4495132A1985-01-22
US5078940A1992-01-07
US6109906A2000-08-29
EP0339308A11989-11-02
US2867204A1959-01-06
US2912969A1959-11-17
US3754850A1973-08-28
US4147491A1979-04-03
US6540501B12003-04-01
US6561786B22003-05-13
CA2127191A11994-10-28
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