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:
Jun. 08, 1976
Filed:
Jul. 01, 1974
Applicant:
Inventor:
Melvin L Ollman, Detroit, MI (US);
Assignee:
C-O, Inc., Detroit, MI (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B23K / ;
U.S. Cl.
CPC ...
228-51 ; 228 13 ; 228 151 ; 219 80 ; 2915 / ;
Abstract
A method and apparatus for forming truss members which comprise oppositely disposed channel members and struts interconnected to one another by alternately extending apices wherein the apices are welded to the channel members. The method and apparatus provides for simultaneously forming channel members from a pair of endless strips and the strut members from an endless third strip, guiding the channels in a predetermined relation to one another with the third strip therebetween and thereafter welding the apices to the channel members.