JPS57207064A - Water supplier for lithographic rotary printer - Google Patents

Water supplier for lithographic rotary printer

Info

Publication number
JPS57207064A
JPS57207064A JP9212081A JP9212081A JPS57207064A JP S57207064 A JPS57207064 A JP S57207064A JP 9212081 A JP9212081 A JP 9212081A JP 9212081 A JP9212081 A JP 9212081A JP S57207064 A JPS57207064 A JP S57207064A
Authority
JP
Japan
Prior art keywords
roller
water
plate cylinder
supported
plate
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
JP9212081A
Other languages
Japanese (ja)
Inventor
Hiromi Kamoda
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.)
Komori Corp
Original Assignee
Komori Corp
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 Komori Corp filed Critical Komori Corp
Priority to JP9212081A priority Critical patent/JPS57207064A/en
Publication of JPS57207064A publication Critical patent/JPS57207064A/en
Pending legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41F—PRINTING MACHINES OR PRESSES
    • B41F7/00—Rotary lithographic machines
    • B41F7/20—Details
    • B41F7/24—Damping devices
    • B41F7/26—Damping devices using transfer rollers

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Rotary Presses (AREA)

Abstract

PURPOSE:To raise the quality of printed matter by a method in which the diameter of a continuously water-absorptive form damping roller is designed to almost 1/2 of the diameter of a plate cylinder and lines due to uneven water supply caused by the slit of the plate cylinder are concentrated on the non- patterned part. CONSTITUTION:A water amount-adjusting roller 37 is pivotally provided on the free end part of a roller arm 36 whose basal part is supported on a water fountain roller turning in a damping vessel 34, and a ducter roller 38 is rotatably provided slantly above the roller 35. Then, a form damping roller 39 whose outside diameter is 1/2 + or -3 (in mm.) of that of a plate cylinder 15 is supported on the free end part of the roller arm 40 whose basal part is supported pivotally on the roller 38. By this, when one place of the roller 39 comes into contact with the slit 18 of the plate cylinder 15 and then the roller is turned, in the one place where no pattern 42 is present as shown by the broken line of a web 41, water is not transferred to the plate 20 but remains in the roller 39 and then moves to the plate 20 after one-round rotation. Thus, no effect of excess water supply on the pattern 42 occurs.
JP9212081A 1981-06-17 1981-06-17 Water supplier for lithographic rotary printer Pending JPS57207064A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP9212081A JPS57207064A (en) 1981-06-17 1981-06-17 Water supplier for lithographic rotary printer

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP9212081A JPS57207064A (en) 1981-06-17 1981-06-17 Water supplier for lithographic rotary printer

Publications (1)

Publication Number Publication Date
JPS57207064A true JPS57207064A (en) 1982-12-18

Family

ID=14045568

Family Applications (1)

Application Number Title Priority Date Filing Date
JP9212081A Pending JPS57207064A (en) 1981-06-17 1981-06-17 Water supplier for lithographic rotary printer

Country Status (1)

Country Link
JP (1) JPS57207064A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0336178A2 (en) * 1988-04-02 1989-10-11 M.A.N.-ROLAND Druckmaschinen Aktiengesellschaft Damping system for a web-fed offset rotary press

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS505109A (en) * 1972-06-26 1975-01-20

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS505109A (en) * 1972-06-26 1975-01-20

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0336178A2 (en) * 1988-04-02 1989-10-11 M.A.N.-ROLAND Druckmaschinen Aktiengesellschaft Damping system for a web-fed offset rotary press
EP0336178A3 (en) * 1988-04-02 1990-05-09 M.A.N.-ROLAND Druckmaschinen Aktiengesellschaft Damping system for a web-fed offset rotary press

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