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. 01, 1976
Applicant:
Inventors:
Robert W Randolph, St. Charles, MO (US);
Steven L Jantzen, St. Louis, MO (US);
Assignee:
ACF Industries, Incorporated, New York, NY (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B23K / ;
U.S. Cl.
CPC ...
228 445 ; 228 49 ; 269135 ; 269287 ;
Abstract
Circumferentially spaced jacks for clamping and supporting a pair of tank sections in end-to-end relationship during welding include spring biased gripping members mounted on at least some of the tank engaging ends of the jacks which initially grip the surfaces of the tank sections and then move in a direction to force the ends of the tank sections together as the jacks are extended.