The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Nov. 17, 1998
Filed:
Oct. 20, 1997
Applicant:
Inventors:
Nobuhiro Mukai, Toyama, JP;
Masaaki Shibazaki, Toyama, JP;
Assignee:
Du Pont-MRC Co., Ltd., Tokyo, JP;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B29C / ;
U.S. Cl.
CPC ...
264 73 ; 264245 ;
Abstract
A process for producing artificial marble by curing liquid resins in a molding cell, which comprises a step in which liquid resins each having different color are laminated by injection in the molding cell so that at least two layers are formed, then a comb-like tool is moved in the liquid resins laminated while the blades of the tool are in contact with the bottom of the molding cell to produce a striped pattern formed from at least the liquid resin of a layer which is adjacent a bottom layer and which flows to the bottom of the molding cell, and then the liquid resins are cured to produce artificial marble having a striped pattern