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:
Jan. 30, 2001
Filed:
Jun. 22, 1999
Applicant:
Inventor:
Randall A. Nichols, Chelsea, MA (US);
Assignee:
Other;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B05D 1/02 ;
U.S. Cl.
CPC ...
B05D 1/02 ;
Abstract
Joints or other discontinuities in a live gas pipeline are sealed by attaching an insertion duct to the exterior of the pipeline, inserting a spraying device into the pipeline through the insertion duct, mechanically orienting the spraying device adjacent the joint or other discontinuity and spraying a coating material onto the interior surface of the pipeline wherein the coating material may be applied and will cure in the presence of pressurized flowing gas.