DE2738389A1 - COPY OR REPRODUCTION SYSTEM - Google Patents

Description

The invention relates to a copying or duplicating system for stencil copying and for decals, in particular the copying of bank cards in typewriters and printers and decals.

By means of the new copying system characterized in the claims Copies can be obtained without ribbon, carbon paper, or paint emitters. It can type and the lettering can be used to obtain originals in e.g. high-speed printers without the use of a ribbon.

The new copying system can also be used with decals, preferably with multilayer decals whose coated, im Background colored layer is adherent, so that it is in those parts that are not as letters or images transferred to the copying layer and which remained in the background are transferred to the surface as a decal can, with the figure or the text visible through the paper or the film as the right-sided lettering and also is protected by paper or film.

It is inherent in the new copier system that two copies of text can be made with a single color transfer - one in in the form of clear openings, the second in the form of colored ones Letters or figures. By laying multiple acceptor-donor systems result in multiple copies.

809850/0541

The copying system according to the invention comprises a clear or transparent film, for example a plastic or paper film, which is coated on its lower side with a copying layer, and a second film, e.g. made of paper or cardboard, which is provided with a different type of copying layer. One of these copy layers, the donor layer, is colored, it adheres to the other, the acceptor layer, when it is pressed against the latter.

Copying and using templates when filling out waybills, account cards and the like happens nowadays in the following way:

The account card is placed above or below the set of copy paper and the text is, either by means of a between the Papers located carbon paper or transferred by means of chemically or mechanically copying paper.

The carbon paper used is double-sided copying, whereby when using a paper with a fairly high degree of freeness, the Text can be seen through the film (e.g. with account card systems). Essential with this account card copying as with the rest Corresponding stencil copying is that the stencil does not need to have any copying color or ink. The lettering is created from a color that emanates from the carbon paper on the back of the form.

Another method of making copies is to use self-copying chemical paper. It is typical and characteristic of this paper that the copy print is produced by a chemical reaction on the paper when it is pressed on (e.g. microcapsule duplicating paper). The copy print mostly appears on the surface of the paper. These chemical copying papers are not clear and have sharp edges.

809850/0541

The new copying system refers to a mechanically copying paper or plastic, the one being made of clear film or clear paper or plastic and on its lower side with a colored donor or color transfer agent is provided, and the second film, which is suitably made of cardboard or paper, with a color receiver or Acceptor is provided so that no carbon paper is needed. It is surprising that this comes from the use of carbon paper caused problem can be solved so easily. According to the new copier system, the color is taken from the clear (transparent) Transfer paper to cardboard or paper and the text or image will remain on the former as a colorless bare surface back. The right side of the text is visible through the paper, in the same way as above with the Use of carbon paper, but in this case the paper is a kind of negative on which the text or image is right side up because it is viewed through the paper. It is essential here that the covering of the text or the portion corresponding to the image is removed which is transferred to the surface of the second cardboard or paper. The system can also be the other way around, with the acceptor behind the clear paper, on which the text is from the colored, underneath Paper or cardboard is transferred, on which the same text remains as a bare surface.

In the copier system according to the invention, no carbon paper or any other paper that carries the text is required. This gives both an economical and a mechanical advantage because carbon paper does not have to be removed and there is also no waste caused by carbon paper these days.

809850/0541 / ₄

For example, the donor or color transfer layer in the copying system of the invention can be made so that in a gasoline-ethyl acetate solution powdery, swelling polyvinyl chloride dissolved and dye in this mixture is mixed in. A paper or plastic film is coated with this mixture, whereby a layer is formed, which has thinner and thicker areas. The thicker areas are swollen particles of polyvinyl chloride. Such a layer is transferred to the acceptor layer in an image-correct manner with sharp edges when it tears at the thin spots and at the acceptor layer adheres. The acceptor layer can be made of polyethylene or Are made of latex.

An advantageous acceptor-donor system is described in British Patent 1,385,179.

The clear or transparent film material used in the copying system according to the invention is preferably paper, e.g. Grease proof paper, finely ground sulphite or sulphate cellulose containing paper, or parchment paper, or plastic, such as cellophane, polyester, polyethylene, polyacrylic or nylon. The second film is preferably made of paper or cardboard.

809850/0541

Claims (9)

Expectations Mj copier or carbon copy system for stencil copying and for decals, especially the copying of account cards, the can be used in typewriters and printers and with decals, characterized by a combination with a clear or transparent film which is provided with a copying layer on at least one side, and another film, in particular made of paper or cardboard, at least on one side with a different type of copying Layer is provided, and in that of these copy layers one layer, the donor layer, is colored and attached to the other layer, the acceptor layer, adheres when it is pressed against the latter. 2. Copy or carbon writing system for stencil copying or duplicating and for decals, especially for copying of account cards in typewriters and printers, characterized in that there are one or more clear or comprises transparent films which are provided with a copying layer on at least one side, and one or several other EVLm, in particular made of paper or cardboard, at least on one side with a different type of copying slide » are/
coated-i - and that of these copy layers, one layer, the donor layer, is colored and adheres to the other layer, the acceptor layer, when it is pressed against the latter, and that the donor and acceptor films lie on top of one another in pairs. 3. copying or reproduction system according to claim 2, characterized in that a conventional untreated plastic or paper film is provided on the top or below the bottom film. 809850/0541 / 2 mm J - 4. Copying or duplicating system according to one of the Claims 1-3, characterized in that the clear or transparent film is the colored donor layer having. 5. copying or reproduction system according to one of the claims 1-4, characterized in that the clear or transparent film consists of plastic. 6. copying or reproduction system according to one of the claims 1-4, characterized in that the clear or transparent film consists of paper. 7. copying or reproduction system according to one of the claims 1-6, characterized in that it "comprises three films, of which the top one is a conventional untreated one Plastic or paper film, and the other films of which are the donor and acceptor films. 8. copying or reproduction system according to any one of claims 1-6, characterized in that it includes three films of which the top and bottom films are acceptor films and the middle film is on both sides is coated with a donor layer. 9. copying or reproduction system according to any one of claims 1-6, characterized in that it comprises four films, of which the top or bottom film is a conventional, untreated plastic or paper film and of the other films, two are acceptor films and that the one between The film located in these films is coated on both sides with a donor layer. 809850/0541 UH. IN O. F. WUKSTHOFl ' »It. K. ν. JMCCIIMANN HK. IN O. 1). IiKIIKKNS I) IPI .. 1Ν «ί. H. ΙίΟΚΐ /. ]> ATKNT A NW Ä 1.TE AOOO-M ÜNCJIKN OO SCIIWEIHKHXTUA.NSE 2 T.Li.KFON <08B) UUZOSl T ^ LU S 34 070 ΤΕί, ΜΟΙΑΗΙΙΚ t Sign up Applicant: G. A. Serlachius OY, Mänttä 3 5a00, Finland 1A-49 788 Title: Copier or Duplication System 809850/05 ^ 1