Method of producing slabs of artificial stone and...

Details Method of producing slabs of artificial stone and... Method of producing slabs of artificial stone and...

2005-06-15

2010-10-19

Hug, Eric (Department: 1791)

Plastic and nonmetallic article shaping or treating: processes

Random variegated coloring during molding

By compression in a closed mold cavity

C264S071000, C264S074000

Reexamination Certificate

active

07815827

ABSTRACT:
The invention relates to a process for manufacturing artificial stone boards with polymerizable resins with a “veined effect” by means of the vibro-compaction under vacuum system comprising a first grinding phase of the different materials forming the filler, a second phase containing a resin with the catalyst and optionally a third phase consisting of the mixing of the two previous phases until the homogenization of the materials with the resin, a fourth phase of moulding and compaction of the obtained paste by vibro-compression under vacuum, a fifth hardening phase by polymerization of the resin by means of heating and a last cooling, cutting and polishing phase.

REFERENCES:
patent: 6773641 (2004-08-01), Toncelli
patent: 0511545 (1992-11-01), None
patent: 1005967 (2000-06-01), None
patent: 2187313 (2003-06-01), None
patent: 2233640 (1991-01-01), None
English translation of ES 2187313, Martos, Jun. 1, 2003.

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