Fabric reinforced rubber sheet for the production of slabs...

Details Fabric reinforced rubber sheet for the production of slabs... Fabric reinforced rubber sheet for the production of slabs...

2007-07-10

2007-07-10

Salvatore, Lynda M. (Department: 1771)

Fabric (woven, knitted, or nonwoven textile or cloth, etc.)

Woven fabric

Woven fabric including an additional woven fabric layer

C442S241000, C428S423900

Reexamination Certificate

active

10960766

ABSTRACT:
A shaped sheet usable for the production of slabs made from a material mixture of granulated stone material and/or sand and by a binding resin includes a flat base and a peripheral frame projecting from the base for a predetermined height so as to define a seat of dimensions corresponding in plan to those of the slab to be produced. The structure of the flat base includes a first rubber layer of previously cured rubber forming a first surface which adapted to be in contact with said the material mixture and a second rubber layer of previously cured rubber, a first layer of cloth and a second layer cloth, wherein the said second cloth includes a second outwardly directed surface of the shaped sheet.

REFERENCES:
patent: 3904470 (1975-09-01), Fukuki et al.
patent: 4109784 (1978-08-01), Hartmann
patent: 4744843 (1988-05-01), Lewis
patent: 4839220 (1989-06-01), Stijntjes et al.
patent: 5498470 (1996-03-01), McLean et al.
patent: 5928585 (1999-07-01), Toncelli
patent: 6260692 (2001-07-01), Sashide et al.
patent: 11-130222 (1999-05-01), None
patent: 99 21696 (1999-05-01), None

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