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:
Aug. 15, 1989
Filed:
May. 18, 1988
Applicant:
Inventor:
Francis C Peterson, Woodbury, CT (US);
Assignee:
Buell Industries, Inc., Waterbury, CT (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F16B / ;
U.S. Cl.
CPC ...
411427 ; 411378 ; 411903 ; 134-1 ; 134-4 ; 134 38 ; 427156 ; 427287 ; 4273885 ;
Abstract
A method of masking the threaded portion of a threaded fastener part to prevent adhesion of coatings comprising the steps of applying a film of a heat activated foaming polymeric material to the threaded portion of a threaded part prior to exposing the threads to a coating and heating the foaming material subsequent to the application of a coating thereto. The foaming material comprises a plastisol, preferably including a vinyl compound, which most preferably is polyvinyl chloride. The foaming material further comprises a blowing agent, preferably azodicarbonamide.