Method for continuously forming a synthetic stone

Details Method for continuously forming a synthetic stone Method for continuously forming a synthetic stone

1995-06-05

1997-08-19

Vargot, Mathieu D.

Plastic and nonmetallic article shaping or treating: processes

With measuring, testing, or inspecting

Measuring a weight or volume

264 405, 264 73, 264166, 425141, 425371, B29C 4330

Patent

active

056585080

ABSTRACT:
Provided is a method for continuously forming a synthetic stone having a thickness with a high degree of accuracy, without using a complicated apparatus, in which resin compound is filled between belt-like upper and lower films in two layers running horizontally on a band-like floor, upstream thereof, so as to continuously form the synthetic stone, a regulating plate 31 is disposed above the band-like floor 3 and downstream of the resin filling part, and the resin compound (R) is continuously filled in a condition in which the gap between the regulating plate and the band-like floor 3 and is set to a predetermined value. Further, the filling volume of the resin compound is adjusted in accordance with a variation in the thickness of the formed resin plate having passed through the regulating plate.

REFERENCES:
patent: 3574802 (1971-04-01), Hinds et al.
patent: 3841811 (1974-10-01), Peille
patent: 3880559 (1975-04-01), Peille
patent: 5043377 (1991-08-01), Nogi et al.
patent: 5128077 (1992-07-01), Stevenson et al.
patent: 5194189 (1993-03-01), Papastavros et al.
patent: 5509795 (1996-04-01), Near et al.
Database WPI, Derwent Publications, Ltd., AN-95-212088 and Patent Abstracts of Japan, JP-7-124968, May 16, 1995.

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