Plastic and nonmetallic article shaping or treating: processes – Forming articles by uniting randomly associated particles – With subsequent cutting – grooving – breaking – or comminuting
Patent
1989-06-07
1992-04-21
Kutachi-Aftergut, Karen
Plastic and nonmetallic article shaping or treating: processes
Forming articles by uniting randomly associated particles
With subsequent cutting, grooving, breaking, or comminuting
264122, 264148, 264157, 264163, 26417711, 2641772, 264211, 26421111, 264333, 264DIG31, 264DIG49, B28B 1114, B29C 4700
Patent
active
051065576
ABSTRACT:
The production of concrete building products having thickness in section of not greater than 15 mm includes forming a cementitious composition containing aggregate, hydraulic cement and water. The composition is shaped by a roller and slipper method to produce a shaped extrudate which is then divided into form sections. The sections are then cured to provide the aesthetically pleasing product. The cementitious composition also contains reinforcing fibres. The building products are used for roofing tiles or replacement of shingles, shakes and slates.
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Rirsch Eric
Wingfield Jeremy
Kutachi-Aftergut Karen
Redland Roof Tiles Limited
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