EP0344662A2 - Flat support for the production of diazo copies - Google Patents

Flat support for the production of diazo copies Download PDF

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Publication number
EP0344662A2
EP0344662A2 EP89109595A EP89109595A EP0344662A2 EP 0344662 A2 EP0344662 A2 EP 0344662A2 EP 89109595 A EP89109595 A EP 89109595A EP 89109595 A EP89109595 A EP 89109595A EP 0344662 A2 EP0344662 A2 EP 0344662A2
Authority
EP
European Patent Office
Prior art keywords
production
blueprint
base
support
light
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.)
Withdrawn
Application number
EP89109595A
Other languages
German (de)
French (fr)
Other versions
EP0344662A3 (en
Inventor
Ingo Dipl.-Ing. Hafner
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.)
CURTIS 1000 EUROPE GmbH
Original Assignee
CURTIS 1000 EUROPE GmbH
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 CURTIS 1000 EUROPE GmbH filed Critical CURTIS 1000 EUROPE GmbH
Publication of EP0344662A2 publication Critical patent/EP0344662A2/en
Publication of EP0344662A3 publication Critical patent/EP0344662A3/en
Withdrawn legal-status Critical Current

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    • GPHYSICS
    • G03PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03CPHOTOSENSITIVE MATERIALS FOR PHOTOGRAPHIC PURPOSES; PHOTOGRAPHIC PROCESSES, e.g. CINE, X-RAY, COLOUR, STEREO-PHOTOGRAPHIC PROCESSES; AUXILIARY PROCESSES IN PHOTOGRAPHY
    • G03C1/00Photosensitive materials
    • G03C1/76Photosensitive materials characterised by the base or auxiliary layers
    • G03C1/795Photosensitive materials characterised by the base or auxiliary layers the base being of macromolecular substances

Definitions

  • the invention relates to a flat, paper-like, in particular sheet or tape-like base for producing a blueprint from a transparent template, consisting of a base layer and a light-sensitive coating arranged thereon on one side.
  • the blueprint paper consists of a sheet or tape-like base layer made of paper, which is provided on one side with a light-sensitive coating made of a diazo compound. After placing the transparent template on the blueprint paper, the same is exposed in a continuous process by daylight or artificial light. It is then developed through the action of ammonia vapors or through the decomposition of trivalent iron compounds into divalent iron compounds.
  • Such blueprints have the disadvantage that they tear very easily in the event of improper use, but especially with frequent use, and thus become unusable.
  • such blueprints are not dimensionally stable, ie the dimensions of the blueprint change with use and the change in atmospheric humidity, so that a so-called "picking up" of dimensions from the blueprint is possible, but is not practical.
  • the base and thus the blueprint are tear-resistant, i.e. it can often be folded and folded and handled improperly without tears.
  • a blueprint created from such a base is dimensionally stable.
  • a section of a flat base 1 is shown in side view, which consists of a transparent template for producing a blueprint.
  • This base 1 consists of a base layer 2 and a light-sensitive coating 3 arranged on one side thereof.

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  • Physics & Mathematics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • General Physics & Mathematics (AREA)
  • Non-Silver Salt Photosensitive Materials And Non-Silver Salt Photography (AREA)

Abstract

The invention relates to a flat paper-like, especially sheet- or web-like support for the production of a diazo copy from a transparent original, consisting of a support layer and a light-sensitive coating arranged on one side thereof. To provide a dimensionally stable and tear-resistant support, the support layer is formed from a fibrous plastic sheet, sprayed onto a surface and consisting of olefin fibres deformed under pressure and at an elevated temperature.

Description

Die Erfindung bezieht sich auf eine flächige, papierartige, ins­besondere blatt- oder bandartige Unterlage zur Herstellung ei­ner Lichtpause von einer transparenten Vorlage, bestehend aus einer Tragschicht und einer einseitig darauf angeordneten, lichtempfindlichen Beschichtung.The invention relates to a flat, paper-like, in particular sheet or tape-like base for producing a blueprint from a transparent template, consisting of a base layer and a light-sensitive coating arranged thereon on one side.

Kopien von technischen Zeichnungen, Bauzeichnungen und dgl. werden im sogenannten Lichtpausverfahren hergestellt. Das Lichtpauspapier besteht aus einer blatt- oder bandartigen Tragschicht aus Papier, die auf einer Seite mit einer licht­empfindlichen Beschichtung aus einer Diazoverbindung versehen ist. Nach dem Auf legen der transparenten Vorlage auf das Licht­pauspapier wird dasselbe im Durchlaufverfahren durch Tages- oder künstliches Licht belichtet. Anschließend wird durch die Einwirkung von Ammoniakdämpfen oder durch Zersetzung von drei­wertigen Eisenverbindungen in zweiwertige Eisenverbindungen entwickelt. Derartige Lichtpausen haben den Nachteil, daß sie bei unsachgemäßer, insbesondere aber bei häufiger Benutzung sehr leicht einreißen und damit unbrauchbar werden. Darüber hinaus sind derartige Lichtpausen nicht dimensionsstabil, d. h., mit der Benutzung und der Änderung der Luftfeuchtigkeit ver­ändern sich die Maße der Lichtpause, so daß ein sogenanntes "Abgreifen" von Maßen aus der Lichtpause zwar möglich, jedoch unzweckmäßig ist.Copies of technical drawings, construction drawings and the like are made in the so-called blueprint process. The blueprint paper consists of a sheet or tape-like base layer made of paper, which is provided on one side with a light-sensitive coating made of a diazo compound. After placing the transparent template on the blueprint paper, the same is exposed in a continuous process by daylight or artificial light. It is then developed through the action of ammonia vapors or through the decomposition of trivalent iron compounds into divalent iron compounds. Such blueprints have the disadvantage that they tear very easily in the event of improper use, but especially with frequent use, and thus become unusable. In addition, such blueprints are not dimensionally stable, ie the dimensions of the blueprint change with use and the change in atmospheric humidity, so that a so-called "picking up" of dimensions from the blueprint is possible, but is not practical.

Der Erfindung liegt nun die Aufgabe zugrunde, eine flächige, papierartige, insbesondere blatt- oder bandartige Unterlage zur Herstellung von Lichtpausen zu schaffen, die dimensions­stabil und reißfest ist.The invention is based on the object of creating a flat, paper-like, in particular sheet or tape-like base for the production of blueprints, which is dimensionally stable and tear-resistant.

Zur Lösung dieser Aufgabe wird bei einer Unterlage der eingangs beschriebenen Gattung vorgeschlagen, daß die Tragschicht aus einer faserigen, aus auf eine Fläche aufgespritzten und unter Druck und Temperatur verformten Olefinfäden bestehenden Kunst­stoffolie gebildet ist.To solve this problem, it is proposed in a document of the type described at the outset that the base layer is formed from a fibrous plastic film consisting of olefin threads sprayed onto a surface and deformed under pressure and temperature.

Durch diese besondere Kunststoffolie ist die Unterlage und da­mit die Lichtpause reißfest, d.h., sie kann auch oftmals ge­faltet und geknickt und unsachgemäß behandelt werden, ohne daß Risse entstehen. Darüber hinaus ist eine aus einer solchen Unterlage erstellte Lichtpause dimensionsstabil.Thanks to this special plastic film, the base and thus the blueprint are tear-resistant, i.e. it can often be folded and folded and handled improperly without tears. In addition, a blueprint created from such a base is dimensionally stable.

Die Erfindung wird nachfolgend anhand eines in vereinfachter Weise in einer Zeichnung dargestellten Ausführungsbeispieles näher erläutert.The invention is explained in more detail below with reference to an exemplary embodiment shown in a simplified manner in a drawing.

In dieser Zeichnung ist ausschnittsweise eine flächige Unter­lage 1 in Seitenansicht gezeigt, die zur Herstellung einer Lichtpause von einer transparenten Vorlage besteht. Diese Un­terlage 1 besteht aus einer Tragschicht 2 und einer auf einer Seite derselben angeordneten, lichtempfindlichen Beschichtung 3.In this drawing, a section of a flat base 1 is shown in side view, which consists of a transparent template for producing a blueprint. This base 1 consists of a base layer 2 and a light-sensitive coating 3 arranged on one side thereof.

Die Tragschicht 2 besteht aus einer Kunststoffolie, die aus Olefinfäden gebildet ist. Zur Herstellung dieser Kunststoffo­lie werden zunächst sehr dünne Fasern aus Olefin über Düsen ge­sponnen und unregelmäßig auf eine Fläche gespritzt. Anschlie­ßend werden diese aufgespritzten Kunststoffasern lediglich un­ter Anwendung von Druck und Temperatur, also ohne Klebstoff oder dgl., zu einer Folie mit faseriger Struktur geformt. Diese Kunststoffolie, die beispielsweise bandartig ausgebil­det und auf einer Rolle aufgewickelt ist, wird anschließend mit der Beschichtung 3 aus lichtempfindlichen Diazoverbindungen be­schichtet. Bedarfsweise kann diese bandartige Unterlage 1 dann als Rollenware verwendet oder zu Blättern vorbestimmter Größe geschnitten werden. Aufgrund der faserigen Struktur der Trag­schicht 2 ist die Unterlage 1 und die daraus erstellte Licht­pause reißfest und dimensionsstabil.The base layer 2 consists of a plastic film which is formed from olefin threads. To produce this plastic film, very thin olefin fibers are first spun through nozzles and sprayed irregularly onto a surface. Then these sprayed-on plastic fibers are only applied using pressure and temperature, i.e. without glue or the like, formed into a sheet with a fibrous structure. This plastic film, which is, for example, in the form of a tape and wound on a roll, is then coated with the coating 3 made of light-sensitive diazo compounds. If necessary, this band-like base 1 can then be used as a roll or cut into sheets of a predetermined size. Due to the fibrous structure of the base layer 2, the base 1 and the blueprint created from it are tear-resistant and dimensionally stable.

Claims (1)

Flächige, papierartige, insbesondere blatt- oder bandartige Unterlage zur Herstellung einer Lichtpause von einer trans­parenten Vorlage, bestehend aus einer Tragschicht und einer einseitig darauf angeordneten, lichtempfindlichen Beschich­tung,
dadurch gekennzeichnet,
daß die Tragschicht aus einer faserigen, aus auf eine Fläche aufgespritzten und unter Druck und Temperatur verformten Ole­finfäden bestehenden Kunststoffolie gebildet ist.
Flat, paper-like, in particular sheet-like or ribbon-like base for producing a blueprint from a transparent template, consisting of a base layer and a light-sensitive coating arranged on one side,
characterized,
that the base layer is formed from a fibrous plastic film consisting of sprayed on a surface and deformed under pressure and temperature olefin threads.
EP19890109595 1988-06-03 1989-05-27 Flat support for the production of diazo copies Withdrawn EP0344662A3 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE8807274U 1988-06-03
DE8807274U DE8807274U1 (en) 1988-06-03 1988-06-03

Publications (2)

Publication Number Publication Date
EP0344662A2 true EP0344662A2 (en) 1989-12-06
EP0344662A3 EP0344662A3 (en) 1991-11-13

Family

ID=6824694

Family Applications (1)

Application Number Title Priority Date Filing Date
EP19890109595 Withdrawn EP0344662A3 (en) 1988-06-03 1989-05-27 Flat support for the production of diazo copies

Country Status (2)

Country Link
EP (1) EP0344662A3 (en)
DE (1) DE8807274U1 (en)

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1157333A (en) * 1956-07-10 1958-05-28 New photographic product
DE1068117B (en) * 1956-07-07 1959-10-29
DE1099845B (en) * 1958-07-17 1961-02-16 Freudenberg Carl Fa Carrier for light-sensitive layers
DD52913A3 (en) * 1966-05-04 1966-12-20
DE1635730A1 (en) * 1968-03-14 1970-04-09 Alfred Von Der Lehr Process for the production of nonwovens equipped to be reproducible and copyable and the product made from them
FR2194157A5 (en) * 1972-07-21 1974-02-22 Solvay

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1068117B (en) * 1956-07-07 1959-10-29
FR1157333A (en) * 1956-07-10 1958-05-28 New photographic product
DE1099845B (en) * 1958-07-17 1961-02-16 Freudenberg Carl Fa Carrier for light-sensitive layers
DD52913A3 (en) * 1966-05-04 1966-12-20
DE1635730A1 (en) * 1968-03-14 1970-04-09 Alfred Von Der Lehr Process for the production of nonwovens equipped to be reproducible and copyable and the product made from them
FR2194157A5 (en) * 1972-07-21 1974-02-22 Solvay

Also Published As

Publication number Publication date
EP0344662A3 (en) 1991-11-13
DE8807274U1 (en) 1988-08-04

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