EP0344662A2 - Flat support for the production of diazo copies - Google Patents
Flat support for the production of diazo copies Download PDFInfo
- 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- Withdrawn
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Classifications
-
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03C—PHOTOSENSITIVE MATERIALS FOR PHOTOGRAPHIC PURPOSES; PHOTOGRAPHIC PROCESSES, e.g. CINE, X-RAY, COLOUR, STEREO-PHOTOGRAPHIC PROCESSES; AUXILIARY PROCESSES IN PHOTOGRAPHY
- G03C1/00—Photosensitive materials
- G03C1/76—Photosensitive materials characterised by the base or auxiliary layers
- G03C1/795—Photosensitive 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.
Landscapes
- 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
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
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
Claims (1)
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.
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)
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 |
-
1988
- 1988-06-03 DE DE8807274U patent/DE8807274U1/de not_active Expired
-
1989
- 1989-05-27 EP EP19890109595 patent/EP0344662A3/en not_active Withdrawn
Patent Citations (6)
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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Legal Events
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18D | Application deemed to be withdrawn |
Effective date: 19920514 |