BE391360A - - Google Patents

Info

Publication number
BE391360A
BE391360A BE391360DA BE391360A BE 391360 A BE391360 A BE 391360A BE 391360D A BE391360D A BE 391360DA BE 391360 A BE391360 A BE 391360A
Authority
BE
Belgium
Prior art keywords
image
substance
matrix
reproduced
bearing
Prior art date
Application number
Other languages
French (fr)
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.)
Publication of BE391360A publication Critical patent/BE391360A/fr

Links

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B41PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41CPROCESSES FOR THE MANUFACTURE OR REPRODUCTION OF PRINTING SURFACES
    • B41C3/00Reproduction or duplicating of printing formes
    • B41C3/06Reproduction or duplicating of printing formes to produce printing blocks from plastics
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B41PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41NPRINTING 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
    • B41N6/00Mounting boards; Sleeves Make-ready devices, e.g. underlays, overlays; Attaching by chemical means, e.g. vulcanising
    • B41N6/02Chemical means for fastening printing formes on mounting boards

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Printing Methods (AREA)
  • Laminated Bodies (AREA)
  • Shaping Of Tube Ends By Bending Or Straightening (AREA)

Description

       

  Procédé de fabrication de clichés

  
 <EMI ID=1.1> 

  
ce qu'on confectionne une pièce intermédiaire, flexible et mince, la revêt,sur ses deux faces, d'un enduit collant et colle sur l'une des faces la partie du cliché portant l'image à reproduire, l'autre face encollée de la pièce servant pour le fixage du tout sur la machine à reproduire. 

  
Le procédé pourra être mis en oeuvre, par exemple, comme suit :

  
Dans un moule,reproduisant l'image à imprimer,

  
on presse une substance, de nature organique, facilement amolissable, de l'acétyl-cellulose, par exemple, en une couche d'un demi millimètre d'épaisseur environ; pour éviter la formation de bulles d'air entre le moule et la substance, on peut exercer sur celle-ci une pression accompagnée d'un chauffage; pour produire celui-ci, on pourra, pendant l'opération, placer la matrice sur une plaque accumulat&#65533;ice de chaleur et chauffée.

  
Le cliché ainsi obtenu, bien supérieur,au point de vue de la.finesse, aux clichés déjà existants, présente

  
des avantages pratiques considérables, par exemple, sa

  
 <EMI ID=2.1> 

  
épaisseur, permettra l'impression directe sur machines rotatives (sans passer par la fabrication d'une plaque stéréotypique); en outre, la suppression des biseaux rend le cliché plus économique.

  
Pour fixer le cliché ou, plus exactement, la partie du cliché ainsi obtenue qui porte l'image, on peut prendre une pièce intermédiaire flexible et l'enduire de colle sur les deux côtés; après quoi, sur l'un des côtés, on collera la partie portant l'image et, l'autre côté servira à fixer le tout sur la plaque stéréotypique pour les machines rotatives, ou sur bois pour les machines à plat.

  
La pièce intermédiaire sus-mentionnée pourrait être en métal, mais de préférence, on utilisera une toile; le

  
 <EMI ID=3.1>  

  
Lorsque l'on utilisera, comme substance portant l'image,

  
les substances organiques sus-mentionnées, la colle de la pièce intermédiaire devra naturellement pouvoir coller à froid, car si on la chauffait, la substance se gonflerait

  
à nouveau en détruisant l'image; l'emploi du sparadrap, dont la colle à base de caoutchouc colle à froid, sera alors

  
tout indiqué. Même lorsque la substance portant l'image
(métal, cuir, etc.) supportera la chaleur, sans destruction

  
de l'image, il pourra être préférable d'utiliser une colle

  
à froid, car on simplifie le collage.

  
L'ensemble de la pièce encollée et de la couche d'acétyl-cellulose constitue un cliché léger, flexible au plus haut point et de fixation simple et rapide. 

REVENDICATIONS .

  
1. Procédé de fabrication d'un cliché, caractérisé en ce qu'on confectionne une pièce intermédiaire, flexible et mince, la revêt , sur ses deux faces, d'un enduit collant, et colle sur l'une des faces, la partie du cliché portant l'image à reproduire, l'autre face encollée de la pièce servant pour la fixation du tout sur la machine à reproduire.



  Cliché manufacturing process

  
 <EMI ID = 1.1>

  
that we make an intermediate piece, flexible and thin, coat it on both sides with a tacky coating and glue on one side the part of the plate bearing the image to be reproduced, the other side glued of the part used for fixing the whole on the reproducing machine.

  
The method can be implemented, for example, as follows:

  
In a mold, reproducing the image to be printed,

  
a substance, of organic nature, easily softened, acetyl cellulose, for example, is pressed into a layer of about half a millimeter in thickness; to prevent the formation of air bubbles between the mold and the substance, it is possible to exert pressure on the latter accompanied by heating; to produce this, the matrix can be placed during the operation on a heat accumulating and heated plate.

  
The photograph thus obtained, much superior, from the point of view of finesse, to the already existing photographs, presents

  
considerable practical advantages, for example, its

  
 <EMI ID = 2.1>

  
thickness, will allow direct printing on rotary machines (without going through the production of a stereotypic plate); moreover, the elimination of bevels makes the cliché more economical.

  
To fix the plate or, more exactly, the part of the plate thus obtained which carries the image, one can take a flexible intermediate piece and coat it with glue on both sides; after which, on one side, the part bearing the image will be glued and the other side will be used to fix the whole on the stereotypic plate for rotary machines, or on wood for flat machines.

  
The aforementioned intermediate piece could be made of metal, but preferably, a canvas will be used; the

  
 <EMI ID = 3.1>

  
When we use, as substance carrying the image,

  
organic substances mentioned above, the glue of the intermediate piece must naturally be able to stick cold, because if it was heated, the substance would swell

  
again by destroying the image; the use of plaster, the rubber-based glue of which is cold-glued, will then be

  
all indicated. Even when the substance bearing the image
(metal, leather, etc.) will withstand heat, without destruction

  
of the picture, it may be better to use a glue

  
cold, because gluing is simplified.

  
The whole of the glued part and of the acetyl-cellulose layer constitutes a light cliché, flexible to the highest point and of simple and fast fixing.

CLAIMS.

  
1. A method of manufacturing a cliché, characterized in that an intermediate piece is made, flexible and thin, the coating, on both sides, with a tacky coating, and glue on one side, the part of the cliché bearing the image to be reproduced, the other glued face of the part used for fixing the whole on the reproducing machine.


    

Claims (1)

2. Procédé selon la revendication 1, caractérisé en ce que l'enduit,collant, colle à froid 2. Method according to claim 1, characterized in that the coating, tacky, cold glue 3. Procédé selon la revendication 1, caractérisé en ce que la partie du cliché portant l'image est constituée par une épaisseur, d'un demi millimètre environ, d'une substance organique facilement ramolissable et que l'on comprime dans une matrice donnant l'image à reproduire. 4. Procédé selon la revendication 3, caractérisé en ce que la substance sus-mentionnée est de l'acétylcellulose. 3. Method according to claim 1, characterized in that the part of the plate bearing the image consists of a thickness, of about half a millimeter, of an easily softenable organic substance and which is compressed in a matrix giving the image to be reproduced. 4. Method according to claim 3, characterized in that the above-mentioned substance is acetylcellulose. 5. Procédé selon la revendication 3, caractérisé en ce que, pendant le moulage, on soumet la substance une pression, pour éliminer les bulles d'air pouvant exister entre elle et la matrice. 5. Method according to claim 3, characterized in that, during molding, the substance is subjected to pressure, to eliminate air bubbles which may exist between it and the matrix. 6. Procédé selon la revendication 5, caractérisé en ce que,en même temps, on soumet la substance et la matrice à un chauffage. 6. Method according to claim 5, characterized in that, at the same time, the substance and the matrix are subjected to heating. RESUME . ABSTRACT . L'objet de la présente invention est un procédé de fabrication de clichés, Ce procédé est caractérisé en ce qu'on confectionne une pièce intermédiaire, flexible et mince, la revêt, sur ses deux faces, d'un enduit collant et colle,sur l'une des faces, la partie du cliché portant l'image à reproduire, l'autre face encollée de la pièce servant pour la fixation du tout sur la machine à reproduire. The object of the present invention is a process for manufacturing clichés, This process is characterized in that an intermediate piece, flexible and thin, is made, the coating, on its two faces, with an adhesive and adhesive coating, on one of the faces, the part of the cliché bearing the image to be reproduced, the other glued face of the part used for fixing the whole on the reproducing machine. De préférence, on utilisera, pour la partie du cliché portant l'image à reproduire, une couche d'un demi millimètre environ d'une substance organique facilement ramolissable que l'on compris dans une matrice . Preferably, for the part of the photograph bearing the image to be reproduced, a layer of approximately half a millimeter of an easily softenable organic substance which is included in a matrix will be used.
BE391360D 1931-10-14 BE391360A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH593907X 1931-10-14

Publications (1)

Publication Number Publication Date
BE391360A true BE391360A (en)

Family

ID=4522303

Family Applications (1)

Application Number Title Priority Date Filing Date
BE391360D BE391360A (en) 1931-10-14

Country Status (3)

Country Link
BE (1) BE391360A (en)
DE (1) DE593907C (en)
FR (1) FR743513A (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE741039C (en) * 1940-07-04 1943-11-03 Hinniger Automatic Druckmasch Method and press for embossing semi-cylindrical printing plates made of pressed material using heat
DE898903C (en) * 1950-11-17 1953-12-07 Licentia Gmbh Process for the production of printing forms, in particular for ticket printers or the like.

Also Published As

Publication number Publication date
DE593907C (en) 1934-03-07
FR743513A (en) 1933-04-01

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