Method and mold for manufacturing ground slabs made of...

Details Method and mold for manufacturing ground slabs made of... Method and mold for manufacturing ground slabs made of...

2006-03-28

2010-10-05

Johnson, Christina (Department: 1791)

Plastic and nonmetallic article shaping or treating: processes

Mechanical shaping or molding to form or reform shaped article

Shaping against forming surface

Reexamination Certificate

active

07807089

ABSTRACT:
The invention relates to a method for manufacturing ground slabs from a cement-bonded material or concrete, with a facing made of fine-grade or facing concrete forming the top surface of the respective slab and with a core made of core concrete forming the bottom surface by means of pressing in a mold cavity of a press mold.

REFERENCES:
patent: 4769191 (1988-09-01), Diana
patent: 5987831 (1999-11-01), Lamberts-Van Assche
patent: 6790544 (2004-09-01), Schmitz
patent: 2003/0182011 (2003-09-01), Scherer
patent: 29607260 (1996-06-01), None
patent: 409471 (1991-01-01), None
Hurd, Mary Krumboltz , ACI Committee 347—Formwork for Concrete Contributor ACI Committee 347—Formwork for Concrete Edition: 7, illustrated Published by American Concrete Institute, 2005 ISBN 0870311778, 9780870311772.
Derwent Abstract, DE 29607260 U1.

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