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:
Dec. 10, 1991
Filed:
Jul. 08, 1988
Applicant:
Inventors:
Jacques Verwilst, Wetteren, BE;
Hugo De Winter, Gentbrugge, BE;
Andre Braeckman, Wetteren, BE;
Bernard De Baes, Damme-Sijsele, BE;
Assignee:
Gechem and Recticel, Brussels, BE;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B05D / ;
U.S. Cl.
CPC ...
427420 ; 427421 ; 427426 ; 26433119 ; 239399 ; 239489 ; 239493 ; 239D / ;
Abstract
Method and device for forming a gellified polyrethane layer on a surface, notably of a mould, by spraying a liquid reaction mixture comprising polyol and isocyanates and which has a viscosity between 20 and 2000 centipoises. The mixture is sprayed in the form of a film of liquid and/or raindrops of which the main part has a mean diameter (Medium Volume Diameter; 'M.V.D.') which, according to the standards ASTM E 779-81, is larger than 100 microns and preferably larger than 500 microns.