DE1046365B - Process for the production of glass panes for covering slide images - Google Patents

Process for the production of glass panes for covering slide images

Info

Publication number
DE1046365B
DE1046365B DEJ9460A DEJ0009460A DE1046365B DE 1046365 B DE1046365 B DE 1046365B DE J9460 A DEJ9460 A DE J9460A DE J0009460 A DEJ0009460 A DE J0009460A DE 1046365 B DE1046365 B DE 1046365B
Authority
DE
Germany
Prior art keywords
glass
image
printed
mask
slide images
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.)
Pending
Application number
DEJ9460A
Other languages
German (de)
Inventor
Oskar Jarllund
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.)
OSKAR JARLLUND
Original Assignee
OSKAR JARLLUND
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 OSKAR JARLLUND filed Critical OSKAR JARLLUND
Publication of DE1046365B publication Critical patent/DE1046365B/en
Pending legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
    • G03B21/00—Projectors or projection-type viewers; Accessories therefor
    • G03B21/54—Accessories
    • G03B21/64—Means for mounting individual pictures to be projected, e.g. frame for transparency

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Surface Treatment Of Glass (AREA)

Description

Verfahren zur Herstellung von Glasscheiben zur Abdeckung von Diabildern Die Erfindung betrifft ein Verfahren zur Herstellung von Glasscheiben zur Abdeckung von Diabildern, bei welchen auf der Glasscheibe eine den wiederzugebenden Teil des Bildes begrenzende Maske angebracht ist.Process for the production of glass panes for covering slide images The invention relates to a method for producing glass panes for covering of slide images in which on the glass a part of the Image delimiting mask is attached.

Es ist bereits bekannt, auf Glasscheiben, die zur Abdeckung von Diabildern bestimmt sind, Masken anzubringen, die den wiederzugebenden Teil des Bildes begrenzen.It is already known on glass panes that are used to cover slide images are intended to apply masks that limit the part of the image to be displayed.

Man hat solche Masken durch Aufsprühen von Aluminium auf die Glasscheiben hergestellt, was jedoch ein verhältnismäßig teueres Verfahren darstellt, bei welchem außerdem eine Erwärmung der Glasscheibe, die unter Umständen zum Zerspringen der Scheibe führen kann, nicht zu vermeiden ist.Such masks are created by spraying aluminum on the panes of glass produced, which, however, is a relatively expensive process in which also a heating of the glass pane, which may cause the Disc can lead, cannot be avoided.

Es ist außerdem bekannt, die Masken durch Auflegen von gestanzten Papierrahmen auf die Glasscheiben herzustellen. Bei diesem Verfahren stört jedoch häufig der an den Innenkanten der Masken entstehende Stanzfiaum.It is also known that the masks are punched by applying Manufacture paper frames on the glass panes. In this process, however, interferes often the punched space that arises on the inner edges of the masks.

Gemäß der Erfindung soll zum Zwecke der billigeren Herstellung und zur Erzeugung einwandfrei scharfer Innenkanten der Maske die Maske durch Bedrucken der Glasscheibe mit einer lichtundurchlässigen Farbe hergestellt werden.According to the invention, for the purpose of cheaper manufacture and to produce perfectly sharp inner edges of the mask the mask by printing the glass pane can be made with an opaque paint.

Ein weiterer Vorteil des erfindungsgemäßen Verfahrens besteht darin, daß die Farbschicht sehr viel dünner als eine Papiermaske oder als eine aufgesprühte Metallschicht aufgetragen werden kann.Another advantage of the method according to the invention is that that the layer of paint is much thinner than a paper mask or sprayed on Metal layer can be applied.

Eine weitere Ausgestaltung der Erfindung besteht darin, in der bedruckten Fläche kleine Stellen auszusparen, die zur richtigen Orientierung des Bildes gegenüber den Innenkanten der Maske dienen können.Another embodiment of the invention consists in the printed Area to cut out small spots that are opposite to the correct orientation of the image can serve the inner edges of the mask.

Die Herstellung der erfindungsgemäßen bedruckten Glasscheiben läßt sich ferner noch dadurch verbilligen, daß man Glasscheiben von der Größe mehrerer Diabilder bedruckt und diese Glasscheiben nach dem Bedrucken auseinanderschneidet.The production of the printed glass panes according to the invention leaves nothing to be desired can also be made cheaper by using panes of glass the size of several Printed slide images and these panes of glass cut apart after printing.

Dabei kann es vorteilhaft sein, die bedruckte Fläche innerhalb der Größe jedes einzelnen fertigen Diabildes in einem kleinen Abstand von dem Rand der einem einzigen Diabild entsprechenden Glasscheibe enden zu lassen zu dem Zwecke, eine Zerstörung der gedruckten Farbschichten beim Zerschneiden der großen Glasscheiben zu vermeiden.It can be advantageous to keep the printed area within the Size of each finished slide image at a small distance from the edge of the to end a pane of glass corresponding to a single slide image for the purpose of destruction of the printed layers of paint when the large panes of glass are cut to avoid.

Claims (4)

PATENTANSPRÜCHE: 1. Verfahren zur Herstellung von Glasscheiben zur Abdeckung von Diabildern, bei welchen auf der Glasscheibe eine den wiederzugebenden Teil des Bildes begrenzende Maske angebracht ist, dadurch gekennzeichnet, daß die Maske durch Bedrucken des Glases mit einer lichtundurchlässigen Farbe hergestellt wird. PATENT CLAIMS: 1. Process for the production of glass panes for Cover of slide images, in which one of the to be reproduced on the glass pane Part of the image delimiting mask is attached, characterized in that the Mask made by printing the glass with an opaque paint will. 2. Verfahren nach Anspruch 1, dadurch gekennzeichnet, daß in der bedruckten Fläche kleine Stellen ausgespart werden, die zur richtigen Orientierung des Bildes gegenüber den Innenkanten der Maske dienen können. 2. The method according to claim 1, characterized in that in the printed Small areas are left out in the area, which is necessary for the correct orientation of the image can serve against the inner edges of the mask. 3. Verfahren nach Anspruch 1 oder 2, dadurch gekennzeichnet, daß die bedruckte Fläche sich über eine der Größe mehrerer Diabilder entsprechende Glasscheibe erstreckt, und daß die Glasscheibe nach dem Bedrucken auseinandergeschnitten wird. 3. The method of claim 1 or 2, characterized in that the printed area extends over one of the size several slide images corresponding glass sheet extends, and that the glass sheet is cut apart after printing. 4. Verfahren nach Anspruch 3, dadurch gekennzeichnet, daß die bedruckte Fläche innerhalb der Größe jedes einzelnen fertigen Diabildes in einem kleinen Abstand von dem Rand der einem einzigen Diabild entsprechenden Glasscheibe endet zu dem Zweck, eine Zerstörung der aufgedruckten Farbschicht beim Zerschneiden der großen Glasscheibe zu vermeiden. In Betracht gezogene Druckschriften: USA.- Patentschrift Nr. 2 592 262; britische Patentschrift Nr. 451336. 4. The method according to claim 3, characterized in that the printed area ends within the size of each finished slide image at a small distance from the edge of the glass pane corresponding to a single slide image for the purpose of destroying the printed color layer when the large glass pane is cut avoid. References considered: U.S. Patent No. 2,592,262; British Patent No. 451 336.
DEJ9460A 1953-12-09 1954-12-06 Process for the production of glass panes for covering slide images Pending DE1046365B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE1046365X 1953-12-09

Publications (1)

Publication Number Publication Date
DE1046365B true DE1046365B (en) 1958-12-11

Family

ID=20419187

Family Applications (1)

Application Number Title Priority Date Filing Date
DEJ9460A Pending DE1046365B (en) 1953-12-09 1954-12-06 Process for the production of glass panes for covering slide images

Country Status (1)

Country Link
DE (1) DE1046365B (en)

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB451336A (en) * 1935-08-15 1936-08-05 Arthur Frederick Rule Improvements in or relating to lantern slides, films and like carriers of transparencies
US2592262A (en) * 1948-03-10 1952-04-08 Eastman Kodak Co Slide mount

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB451336A (en) * 1935-08-15 1936-08-05 Arthur Frederick Rule Improvements in or relating to lantern slides, films and like carriers of transparencies
US2592262A (en) * 1948-03-10 1952-04-08 Eastman Kodak Co Slide mount

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