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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.:

US 10981196 B1

PDFFull Text
Date of Patent:
Apr. 20, 2021

Filed:

Dec. 01, 2015

Method of protecting an article having a complex shape

Applicant:

General Electric Company, Schenectady, NY (US);

Inventors:

Atanu Saha, Bangalore, IN;

Gopi Chandran Ramachandran, Bangalore, IN;

Mamatha Nagesh, Bangalore, IN;

Shalini Thimmegowda, Bangalore, IN;

Bala Srinivasan Parthasarathy, Bangalore, IN;

Assignee:

GENERAL ELECTRIC COMPANY, Schenectady, NY (US);

Attorney:

Baker Hughes Patent Operation

Primary Examiner:

Michael P Rodriguez

Int. Cl.
CPC ...
B05D 7/00 (2006.01); B05D 7/14 (2006.01); B32B 25/20 (2006.01); C09D 183/04 (2006.01); F04D 7/04 (2006.01); F04D 29/40 (2006.01); B05D 1/02 (2006.01); B05D 1/18 (2006.01); F04D 17/00 (2006.01); B63H 5/16 (2006.01); F04D 29/043 (2006.01); F04D 29/053 (2006.01); F04D 29/42 (2006.01); F04D 29/52 (2006.01); C08G 77/12 (2006.01); C08G 77/20 (2006.01);
U.S. Cl.
CPC ...
B05D 7/546 (2013.01); B05D 1/02 (2013.01); B05D 1/18 (2013.01); B05D 7/14 (2013.01); B32B 25/20 (2013.01); C09D 183/04 (2013.01); F04D 7/04 (2013.01); F04D 29/403 (2013.01); B05D 2202/00 (2013.01); B32B 2250/02 (2013.01); B32B 2250/248 (2013.01); B32B 2383/00 (2013.01); B63H 5/165 (2013.01); C08G 77/12 (2013.01); C08G 77/20 (2013.01); F04D 17/00 (2013.01); F04D 29/043 (2013.01); F04D 29/053 (2013.01); F04D 29/4206 (2013.01); F04D 29/522 (2013.01); F05D 2300/437 (2013.01); F05D 2300/611 (2013.01);
Abstract

A silicone bond coat composition having a viscosity of less than 1,600 centistokes is applied to substantially all external surfaces of the article and then cured. A liquid silicone elastomer outer coat composition comprising a high viscosity first liquid silicone elastomer formulation and a low viscosity second liquid silicone elastomer formulation is then applied and cured to provide a protected article having a complex shape. Optimal coatings result from a careful balancing of component viscosities. In an embodiment, the first formulation has a viscosity greater than 300,000 centistokes, and the second formulation has a viscosity less than 6,000 centistokes, and the liquid silicone elastomer outer coat composition comprises from about 60 to about 40 percent by weight of the first formulation and from about 40 to about 60 percent by weight of the second liquid silicone elastomer formulation.

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