GB633796A - Improvements in or relating to paper base planographic printing plates - Google Patents

Improvements in or relating to paper base planographic printing plates

Info

Publication number
GB633796A
GB633796A GB2702547A GB2702547A GB633796A GB 633796 A GB633796 A GB 633796A GB 2702547 A GB2702547 A GB 2702547A GB 2702547 A GB2702547 A GB 2702547A GB 633796 A GB633796 A GB 633796A
Authority
GB
United Kingdom
Prior art keywords
parts
solution
casein
salt
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.)
Expired
Application number
GB2702547A
Other languages
English (en)
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.)
Warren SD Co
Original Assignee
Warren SD Co
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 Warren SD Co filed Critical Warren SD Co
Publication of GB633796A publication Critical patent/GB633796A/en
Priority claimed from US170486A external-priority patent/US2534650A/en
Expired legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41C—PROCESSES FOR THE MANUFACTURE OR REPRODUCTION OF PRINTING SURFACES
    • B41C1/00—Forme preparation
    • B41C1/10—Forme preparation for lithographic printing; Master sheets for transferring a lithographic image to the forme
    • B41C1/1091—Forme preparation for lithographic printing; Master sheets for transferring a lithographic image to the forme by physical transfer from a donor sheet having an uniform coating of lithographic material using thermal means as provided by a thermal head or a laser; by mechanical pressure, e.g. from a typewriter by electrical recording ribbon therefor
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41N—PRINTING PLATES OR FOILS; MATERIALS FOR SURFACES USED IN PRINTING MACHINES FOR PRINTING, INKING, DAMPING, OR THE LIKE; PREPARING SUCH SURFACES FOR USE AND CONSERVING THEM
    • B41N3/00—Preparing for use and conserving printing surfaces
    • B41N3/03—Chemical or electrical pretreatment
    • B41N3/036—Chemical or electrical pretreatment characterised by the presence of a polymeric hydrophilic coating

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Mechanical Engineering (AREA)
  • Optics & Photonics (AREA)
  • Manufacturing & Machinery (AREA)
  • Paper (AREA)
GB2702547A 1947-06-30 1947-10-08 Improvements in or relating to paper base planographic printing plates Expired GB633796A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US75821547A 1947-06-30 1947-06-30
US170486A US2534650A (en) 1947-05-09 1950-06-26 Planographic printing plate and method of making same

Publications (1)

Publication Number Publication Date
GB633796A true GB633796A (en) 1949-12-30

Family

ID=26866133

Family Applications (1)

Application Number Title Priority Date Filing Date
GB2702547A Expired GB633796A (en) 1947-06-30 1947-10-08 Improvements in or relating to paper base planographic printing plates

Country Status (4)

Country Link
BE (1) BE476997A (enExample)
FR (1) FR954404A (enExample)
GB (1) GB633796A (enExample)
NL (2) NL73948C (enExample)

Also Published As

Publication number Publication date
FR954404A (fr) 1949-12-26
BE476997A (enExample)
NL73948C (enExample)
NL69493C (enExample)

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