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.

Date of Patent:
Feb. 10, 2004

Filed:

Sep. 18, 2002
Applicant:
Inventors:

Takeo Nanba, Yokohama, JP;

Hiroyuki Fujinuma, Kunitachi, JP;

Toshio Hasegawa, Kawasaki, JP;

Assignee:
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B31B 1/00 ; B31B 1/20 ;
U.S. Cl.
CPC ...
B31B 1/00 ; B31B 1/20 ;
Abstract

There is provided a paper cutting apparatus for a folder, the folder for a web rotary press being provided with a forming roller pair and at least one nipping roller pair on a downstream side of the forming roller pair in a paper passage between a former and a folding cylinder group, and provided with a paper jam detector S for detecting an occurrence of a paper jam at least in the folding cylinder group, including a first cutter A provided so as to be capable of cutting a paper running between the forming roller pair under the former and a nipping roller pair just on the downstream side of the forming roller pair; a second cutter B provided so as to be capable of cutting the paper running between the folding cylinder group and the nipping roller pair just on the upstream side of the folding cylinder group; and control unit D which receives a paper jam signal generated from the paper jam detector S and sends a cutting signal to the first cutter A and the second cutter B.


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