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:
Jul. 30, 1991
Filed:
Jul. 31, 1989
Giorgio Del Fabro, Cassacco Fraz. Montegnacco, IT;
Marcello Del Fabro, Udine, IT;
Abstract
Antirotation method to straighten sections (11), such sections (11) having a solid or hollow cross section and possibly having externally a round or ribbed cross section, or ridges, or else TOR type helicoidal ribbing, or a three-lobed, cross-shaped or star-shaped cross section, etc., and being in the form of bars or coils in a wound bundle (12) and possibly comprising a lengthwise twist, the section (11) being guided by grooves (21) comprises in rolls (18) of processing assemblies (16-17-23) and being made to pass through a guide and prestraightener assembly (16) and through two straightening assemblies (17) before being rendered linear (20) and then finished by a finishing assembly (23), the section (11) being diverted during the straightening step along at least one S-shaped or Z-shaped half-loop (14) and remaining positioned substantially on one single plane until it reaches the finishing assembly (23).