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. 19, 1980
Filed:
Mar. 30, 1979
Applicant:
Inventors:
Stephen A Hoffman, Lancaster, OH (US);
Jerry R Hummel, Lancaster, OH (US);
Assignee:
Arcair Company, Lancaster, OH (US);
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
B23K / ;
U.S. Cl.
CPC ...
219 70 ;
Abstract
A fixed head air-carbon arc cutting and gouging torch for use in a metal foundry for cleaning riser pads, sprues, fins and other excess or unwanted surface material or defects from castings. The torch is characterized by improved air flow means to reduce the required inlet air pressure, improved air valve means, better head angle and handle design for increased process efficiency.