JPS5796861A - Double feeding detector for sheet feed printing press - Google Patents

Double feeding detector for sheet feed printing press

Info

Publication number
JPS5796861A
JPS5796861A JP55172570A JP17257080A JPS5796861A JP S5796861 A JPS5796861 A JP S5796861A JP 55172570 A JP55172570 A JP 55172570A JP 17257080 A JP17257080 A JP 17257080A JP S5796861 A JPS5796861 A JP S5796861A
Authority
JP
Japan
Prior art keywords
paper
double feeding
time
printed
printing press
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
JP55172570A
Other languages
Japanese (ja)
Inventor
Takuji Miyamoto
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Dai Nippon Printing Co Ltd
Original Assignee
Dai Nippon Printing Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Dai Nippon Printing Co Ltd filed Critical Dai Nippon Printing Co Ltd
Priority to JP55172570A priority Critical patent/JPS5796861A/en
Publication of JPS5796861A publication Critical patent/JPS5796861A/en
Pending legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H7/00—Controlling article feeding, separating, pile-advancing, or associated apparatus, to take account of incorrect feeding, absence of articles, or presence of faulty articles
    • B65H7/02—Controlling article feeding, separating, pile-advancing, or associated apparatus, to take account of incorrect feeding, absence of articles, or presence of faulty articles by feelers or detectors
    • B65H7/06—Controlling article feeding, separating, pile-advancing, or associated apparatus, to take account of incorrect feeding, absence of articles, or presence of faulty articles by feelers or detectors responsive to presence of faulty articles or incorrect separation or feed
    • B65H7/12—Controlling article feeding, separating, pile-advancing, or associated apparatus, to take account of incorrect feeding, absence of articles, or presence of faulty articles by feelers or detectors responsive to presence of faulty articles or incorrect separation or feed responsive to double feed or separation
    • B65H7/125—Controlling article feeding, separating, pile-advancing, or associated apparatus, to take account of incorrect feeding, absence of articles, or presence of faulty articles by feelers or detectors responsive to presence of faulty articles or incorrect separation or feed responsive to double feed or separation sensing the double feed or separation without contacting the articles
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41F—PRINTING MACHINES OR PRESSES
    • B41F33/00—Indicating, counting, warning, control or safety devices
    • B41F33/04—Tripping devices or stop-motions
    • B41F33/06—Tripping devices or stop-motions for starting or stopping operation of sheet or web feed

Landscapes

  • Inking, Control Or Cleaning Of Printing Machines (AREA)

Abstract

PURPOSE:To prevent non-printed papers from mixing into printed sheets otherwise due to double feeding by setting the timing for the double feeding detection of printing papers semewhere until the paper is gripped with a swing after getting into contact with a front gauge on a feeder board. CONSTITUTION:The highest one of printing papers 1b in a hopper 8 is taken onto a feeder board 2 with a paper feeder 10 at the time T1 and the paper 1 is brought into contact with a front gauge 3 at the time T2. At the time T3, a side gauge 12 is operated to start the horizontal positioning of the paper 1 and completes it at the time T4. The quantity of light entering a light receiver lb from a projector 11a is detected in the period A immediately before the time T5 at which the end of the paper 1 is gripped with a grip finger 5 of a swing 4 for double feeding checking. Then, the paper is fed to a delivery drum 6. When the double feeding is found, the mixing of non-printed paper into the printed sheets at the delivery section is indicated.
JP55172570A 1980-12-09 1980-12-09 Double feeding detector for sheet feed printing press Pending JPS5796861A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP55172570A JPS5796861A (en) 1980-12-09 1980-12-09 Double feeding detector for sheet feed printing press

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP55172570A JPS5796861A (en) 1980-12-09 1980-12-09 Double feeding detector for sheet feed printing press

Publications (1)

Publication Number Publication Date
JPS5796861A true JPS5796861A (en) 1982-06-16

Family

ID=15944279

Family Applications (1)

Application Number Title Priority Date Filing Date
JP55172570A Pending JPS5796861A (en) 1980-12-09 1980-12-09 Double feeding detector for sheet feed printing press

Country Status (1)

Country Link
JP (1) JPS5796861A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0464763A2 (en) * 1990-07-02 1992-01-08 Komori Corporation Method and apparatus for multiple sheet detection

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0464763A2 (en) * 1990-07-02 1992-01-08 Komori Corporation Method and apparatus for multiple sheet detection

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