ATE37163T1 - STEEL PLANT PLATE WITH MULTIPLE CHROME LAYERS. - Google Patents

STEEL PLANT PLATE WITH MULTIPLE CHROME LAYERS.

Info

Publication number
ATE37163T1
ATE37163T1 AT83401346T AT83401346T ATE37163T1 AT E37163 T1 ATE37163 T1 AT E37163T1 AT 83401346 T AT83401346 T AT 83401346T AT 83401346 T AT83401346 T AT 83401346T AT E37163 T1 ATE37163 T1 AT E37163T1
Authority
AT
Austria
Prior art keywords
layers
chromium
layer
steel plant
steel
Prior art date
Application number
AT83401346T
Other languages
German (de)
Inventor
Jean-Marie Nouel
Original Assignee
Innolith Sa
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 Innolith Sa filed Critical Innolith Sa
Application granted granted Critical
Publication of ATE37163T1 publication Critical patent/ATE37163T1/en

Links

Classifications

    • 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
    • B41N1/00—Printing plates or foils; Materials therefor
    • B41N1/04—Printing plates or foils; Materials therefor metallic
    • B41N1/08—Printing plates or foils; Materials therefor metallic for lithographic printing
    • B41N1/10—Printing plates or foils; Materials therefor metallic for lithographic printing multiple

Landscapes

  • Laminated Bodies (AREA)
  • Electroplating Methods And Accessories (AREA)
  • Other Surface Treatments For Metallic Materials (AREA)
  • Electroplating And Plating Baths Therefor (AREA)

Abstract

1. Offset plates based on steel and having an aquaphilic layer of chromium comprising : - in contact with the steel, a protecting layer (A) of shiny chromium of thickness less than 0.4 mu m ; - above said protecting layer, a layer (B) of chromium with dull finish surface ; said plates being characterized in that said layer (B) is selected from : a) the layers of chromium comprising at least 400 micro-fissures per centimeter (known as micro-fissured layers) or comprising at least 40 cracks per centimeter (known as microcracked layers) ; b) the chromium layers obtained by successively depositing more than two layers of chromium, each of said layers having a thickness less than 0.5 mu m. c) or a superposition of layers a) and b) ; layer (B) having a thickness more than 1 mu m.
AT83401346T 1982-07-02 1983-06-30 STEEL PLANT PLATE WITH MULTIPLE CHROME LAYERS. ATE37163T1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR8211690A FR2529511A1 (en) 1982-07-02 1982-07-02 OFFSET PLATES BASED STEEL AND CHROME MULTILAYER
EP83401346A EP0098776B1 (en) 1982-07-02 1983-06-30 Steel lithographic printing plate having multiple chromium layers

Publications (1)

Publication Number Publication Date
ATE37163T1 true ATE37163T1 (en) 1988-09-15

Family

ID=9275648

Family Applications (1)

Application Number Title Priority Date Filing Date
AT83401346T ATE37163T1 (en) 1982-07-02 1983-06-30 STEEL PLANT PLATE WITH MULTIPLE CHROME LAYERS.

Country Status (4)

Country Link
EP (1) EP0098776B1 (en)
AT (1) ATE37163T1 (en)
DE (1) DE3377978D1 (en)
FR (1) FR2529511A1 (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4687729A (en) * 1985-10-25 1987-08-18 Minnesota Mining And Manufacturing Company Lithographic plate
US4996131A (en) * 1987-12-28 1991-02-26 Nouel Jean Marie Offset plate with thin chromium layer and method of making
JP4059621B2 (en) * 2000-09-29 2008-03-12 日本ピストンリング株式会社 Chromium plating sliding member and manufacturing method thereof

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB475902A (en) * 1936-05-29 1937-11-29 Arthur Ronald Trist Improvements in and relating to printing plates for lithography
BE476519A (en) * 1946-10-04
BE540144A (en) * 1954-07-31
FR82759E (en) * 1962-09-27 1964-04-17 Le Quadrimetal Offset Sa Pour Offset printing process and resulting industrial products
US3758390A (en) * 1971-06-18 1973-09-11 M & T Chemicals Inc Novel cromium plating compositions
AU4610272A (en) * 1971-09-07 1974-03-07 M & T Chemicals Inc Wearing surface
FR2460211A1 (en) * 1979-07-02 1981-01-23 Nouel Jean Marie NEW OFFSET PLATE WITH SURFACE MATT CHROMED
FR2480677A1 (en) * 1980-04-16 1981-10-23 Nouel Jean Marie Offset plate supports made from black iron - has satin finish and coated with rust preventative before use

Also Published As

Publication number Publication date
DE3377978D1 (en) 1988-10-20
FR2529511B3 (en) 1985-05-17
EP0098776B1 (en) 1988-09-14
EP0098776A2 (en) 1984-01-18
FR2529511A1 (en) 1984-01-06
EP0098776A3 (en) 1985-04-10

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Legal Events

Date Code Title Description
UEP Publication of translation of european patent specification
REN Ceased due to non-payment of the annual fee