JPS5644690A - Original form for offset printing - Google Patents

Original form for offset printing

Info

Publication number
JPS5644690A
JPS5644690A JP12100579A JP12100579A JPS5644690A JP S5644690 A JPS5644690 A JP S5644690A JP 12100579 A JP12100579 A JP 12100579A JP 12100579 A JP12100579 A JP 12100579A JP S5644690 A JPS5644690 A JP S5644690A
Authority
JP
Japan
Prior art keywords
layer
printing
original form
base paper
photographic printing
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
JP12100579A
Other languages
Japanese (ja)
Inventor
Haruo Hasegawa
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.)
Ricoh Co Ltd
Original Assignee
Ricoh 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 Ricoh Co Ltd filed Critical Ricoh Co Ltd
Priority to JP12100579A priority Critical patent/JPS5644690A/en
Publication of JPS5644690A publication Critical patent/JPS5644690A/en
Pending legal-status Critical Current

Links

Landscapes

  • Photoreceptors In Electrophotography (AREA)
  • Printing Plates And Materials Therefor (AREA)

Abstract

PURPOSE: To obtain the titled original form devoid of printing failure spot, to be suited for a printing machine provided with automatic feeding device, while the base paper being prepared by a Yankee paper machine is provided with a smooth photographic printing layer on its glossy side face.
CONSTITUTION: The base construction of the purposed original form is such that, on the glossy side face of the base paper 1 being prepared by the Yankee paper machine, the photographic printing layer 2 having a printing smoothness at 150sec or more is provided, while that of the nonglossy side of the layer is set at 100sec or less. When necessary, a precoat layer 3 having a smooth surface may be provided between the glossy side of the base paper 1 and the photographic printing layer 2, or a back-coat layer 4 the printing smoothness thereof is set at 100sec or less, and according to the necessity, a watertight layer 5 having a smooth surface may be provided between the precoat layer 3 of the base plate and the photographic printing layer 2. As the base paper, a direct drawing master, EF master, etc. can be employed.
COPYRIGHT: (C)1981,JPO&Japio
JP12100579A 1979-09-20 1979-09-20 Original form for offset printing Pending JPS5644690A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP12100579A JPS5644690A (en) 1979-09-20 1979-09-20 Original form for offset printing

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP12100579A JPS5644690A (en) 1979-09-20 1979-09-20 Original form for offset printing

Publications (1)

Publication Number Publication Date
JPS5644690A true JPS5644690A (en) 1981-04-23

Family

ID=14800420

Family Applications (1)

Application Number Title Priority Date Filing Date
JP12100579A Pending JPS5644690A (en) 1979-09-20 1979-09-20 Original form for offset printing

Country Status (1)

Country Link
JP (1) JPS5644690A (en)

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS57185441A (en) * 1981-05-12 1982-11-15 Mitsubishi Paper Mills Ltd Dispersion for formation of electrophotographic receptor
JPS57186756A (en) * 1981-05-13 1982-11-17 Mitsubishi Paper Mills Ltd Improved electrophotographic photosensitive material
JPS57187659U (en) * 1981-05-26 1982-11-29
JPS6174385U (en) * 1984-10-20 1986-05-20
JPS6289972A (en) * 1985-06-10 1987-04-24 Ishihara Sangyo Kaisha Ltd Color electrophotography method
JPS62101497A (en) * 1985-10-28 1987-05-11 Ricoh Co Ltd Planographic plate original material
JPH037553A (en) * 1989-06-03 1991-01-14 Daifuku Shokuhin Kogyo:Kk Heat-cooked food composed mainly of potato and dairy product and preparation thereof
JPH03141369A (en) * 1990-09-21 1991-06-17 Mitsubishi Paper Mills Ltd Electrophotographic offset master
JPH046685U (en) * 1990-05-09 1992-01-22
JPH0595757A (en) * 1991-10-03 1993-04-20 Snow Brand Milk Prod Co Ltd Cheese spreads having good preservability and its production

Cited By (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS57185441A (en) * 1981-05-12 1982-11-15 Mitsubishi Paper Mills Ltd Dispersion for formation of electrophotographic receptor
JPH038538B2 (en) * 1981-05-12 1991-02-06 Mitsubishi Paper Mills Ltd
JPS57186756A (en) * 1981-05-13 1982-11-17 Mitsubishi Paper Mills Ltd Improved electrophotographic photosensitive material
JPH038537B2 (en) * 1981-05-13 1991-02-06 Mitsubishi Paper Mills Ltd
JPS57187659U (en) * 1981-05-26 1982-11-29
JPS6174385U (en) * 1984-10-20 1986-05-20
JPS6289972A (en) * 1985-06-10 1987-04-24 Ishihara Sangyo Kaisha Ltd Color electrophotography method
JPH0696354B2 (en) * 1985-10-28 1994-11-30 株式会社リコー Original plate for lithographic printing
JPS62101497A (en) * 1985-10-28 1987-05-11 Ricoh Co Ltd Planographic plate original material
JPH037553A (en) * 1989-06-03 1991-01-14 Daifuku Shokuhin Kogyo:Kk Heat-cooked food composed mainly of potato and dairy product and preparation thereof
JPH046685U (en) * 1990-05-09 1992-01-22
JPH03141369A (en) * 1990-09-21 1991-06-17 Mitsubishi Paper Mills Ltd Electrophotographic offset master
JPH0595757A (en) * 1991-10-03 1993-04-20 Snow Brand Milk Prod Co Ltd Cheese spreads having good preservability and its production

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