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:
Sep. 22, 1987
Filed:
Aug. 12, 1985
Applicant:
Inventor:
Daniel L Pool, Paradise Valley, AZ (US);
Assignee:
Minnesota Mining and Manufacturing, St. Paul, MN (US);
Attorneys:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B65H / ;
U.S. Cl.
CPC ...
242 563 ;
Abstract
A plurality of blades are supported for initially severing a continuous tubular core into a plurality of specialty cores and subsequently slitting a continuous sheet of paper as it is drawn from a bulk roll and wound about the specialty cores. Each blade is replaceably carried by an assembly which is selectively positionable along a bar to provide specialty rolls of coiled paper in predetermined widths. A mandrel upon which the core is carried is provided with a plurality of spaced annular grooves for receiving the cutting edge of each blade.