BE449127A - - Google Patents

Info

Publication number
BE449127A
BE449127A BE449127DA BE449127A BE 449127 A BE449127 A BE 449127A BE 449127D A BE449127D A BE 449127DA BE 449127 A BE449127 A BE 449127A
Authority
BE
Belgium
Prior art keywords
emi
text
processed
hydroxylamine hydrochloride
water
Prior art date
Application number
Other languages
English (en)
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 filed Critical
Publication of BE449127A publication Critical patent/BE449127A/fr

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
    • B41N3/00—Preparing for use and conserving printing surfaces
    • B41N3/08—Damping; Neutralising or similar differentiation treatments for lithographic printing formes; Gumming or finishing solutions, fountain solutions, correction or deletion fluids, or on-press development
    • 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
    • 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
    • B41N1/12—Printing plates or foils; Materials therefor non-metallic other than stone, e.g. printing plates or foils comprising inorganic materials in an organic matrix
    • B41N1/14—Lithographic printing foils

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Treatment And Processing Of Natural Fur Or Leather (AREA)
  • Printing Methods (AREA)

Description


   <EMI ID=1.1> 

  
 <EMI ID=2.1> 

  
quelle se trouve un texte contenant du chrome est traitée  <EMI ID=3.1> 

  
l'excès de chlorhydrate d'hydroxylamine et les produits de la réaction en tamponnent avec de l'eau. Après séchage, la partie einei traitée doit être à. nouveau remplie de texte écrit.

  
 <EMI ID=4.1> 

  
non aqueux, par exemple dans des solvants alcooliques peut déclenoher des effets tannants eux endroits qui août touchas

  
 <EMI ID=5.1>  exemple le chlorhydrate d'hydroxylamine, dans d'autres conditions de dissolution ou do concentration, de dissoudre un col-

  
 <EMI ID=6.1> 

  
Sxemple 1.

  
La forme d'impression portant un texte à couche colloïdale

  
 <EMI ID=7.1> 

  
d'un ruban de machine à écrire chromatiaé, après quoi l'on traite la partie du texte qui doit être enlevée par une solu-

  
 <EMI ID=8.1> 

  
et de Sodium). Sous l'effet de ce traitement, le texte chromeux perd son effet tannant. On nettoie la partie du texte qui a été traitée en tamponnant avec de l'eau et cn peut alors écrire

  
 <EMI ID=9.1>

Claims (1)

  1. <EMI ID=10.1>
BE449127D 1942-02-10 1943-02-10 BE449127A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DEI0071532 1942-02-10

Publications (1)

Publication Number Publication Date
BE449127A true BE449127A (fr) 1943-03-31

Family

ID=7197180

Family Applications (2)

Application Number Title Priority Date Filing Date
BE443828D BE443828A (fr) 1942-02-10 1941-12-22
BE449127D BE449127A (fr) 1942-02-10 1943-02-10

Family Applications Before (1)

Application Number Title Priority Date Filing Date
BE443828D BE443828A (fr) 1942-02-10 1941-12-22

Country Status (2)

Country Link
BE (2) BE443828A (fr)
FR (2) FR878037A (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE500047A (fr) * 1948-06-28

Also Published As

Publication number Publication date
FR878037A (fr) 1943-01-08
BE443828A (fr) 1942-01-31
FR52749E (fr) 1945-05-17

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