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:
Apr. 11, 1989
Filed:
Nov. 28, 1986
Applicant:
Inventor:
Luigi Bertolotti, Incisa Valdarno, IT;
Assignees:
Nuova Italsider SpA, Genoa, IT;
Bertolotti SpA, Incisa Valdarno, IT;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B65B / ; B65B / ;
U.S. Cl.
CPC ...
53211 ; 53380 ;
Abstract
The machine, which operates in association with a paper feeder and with a system of rolls for revolving the coil, includes the following equipment: guide rolls resting on the cylindrical surface on the coil; primary folding devices, including screw rollers, for pleating the open ends of the paper against the circular sides of the coil; and secondary folding devices, including additional screw rollers, for bending back the edges of the paper into the hollow core of the coil.