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. 02, 1977
Filed:
Jun. 10, 1975
Applicant:
Inventors:
David John Lythall, Hertford, EN;
Eric Martin Wilson, Weston-super-Mare, EN;
Assignee:
BOC International Limited, London, UK;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B23K / ;
U.S. Cl.
CPC ...
219 72 ; 2191 / ; 2191 / ;
Abstract
A process for arc welding in an underwater environment wherein a welding chamber is positioned adjacent a workpiece and an arc welding torch is positioned therein. A gas under pressure is introduced into the chamber to displace the water and a gas is supplied to the torch at a pressure greater than the pressure of the gas in the chamber.