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.

Date of Patent:
Apr. 16, 2002

Filed:

Jun. 14, 1999
Applicant:
Inventor:

Steven S. Kendall, Howell, MI (US);

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B28B 7/36 ;
U.S. Cl.
CPC ...
B28B 7/36 ;
Abstract

A process for preparing a mold used for producing, for example, high resilience polyurethane foamed articles, comprises the step of spraying an aqueous release compound on the inner, article-contacting surface of the mold, the release compound including: an aqueous carrier; and a release agent which forms a release film on the article-contacting surface, wherein the release film is formed by evaporating a majority of the aqueous carrier. An aqueous rinse solution is gently sprayed on the inner mold surface after formation of the release film. The rinse solution, now carrying residual water, emulsifier(s) and/or contaminants, is mechanically removed via an air entrainment device before significant evaporation of the rinse solution has taken place.


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