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:
May. 26, 1981
Filed:
Sep. 17, 1979
Applicant:
Inventors:
Kelso M Long, Ringgold, GA (US);
Leonard Pharr, Ringgold, GA (US);
Earl J Pharr, Rossville, GA (US);
Assignee:
Burner Systems International, Inc., Rossville, GA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B26D / ; B21D / ;
U.S. Cl.
CPC ...
83188 ; 83257 ; 83277 ; 83278 ;
Abstract
A punching apparatus, particularly a device for longitudinally advancing, while punching, a series of longitudinally aligned ports in cylindrical tubing of the type used in gas burners. The apparatus is distinguished by its employment of a single drive system for advancing and punching, together with adjustments for varying the height of the tubing, the depth of the punched port, and the longitudinal spacing between ports.