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.)
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
G03B27/00—Photographic printing apparatus
G03B27/02—Exposure apparatus for contact printing
G03B27/14—Details
G03B27/18—Maintaining or producing contact pressure between original and light-sensitive material
G03B27/20—Maintaining or producing contact pressure between original and light-sensitive material by using a vacuum or fluid pressure
Landscapes
Physics & Mathematics
(AREA)
Fluid Mechanics
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General Physics & Mathematics
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Specific Sealing Or Ventilating Devices For Doors And Windows
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Vorrichtung zum spannbaren Festhalten von Siebdrucksieben oder Masken (Folie genannt), z.B. in einem Träger, z.B. Siebdruckrahmen oder direkt in einer Siebdruckmaschine (hier Rahmen genannt)
Briefordner mit einer mit Aufreihern versehenen Klemmschiene zum Zusammenhalten der Schriftstuecke und federnd vorgedrueckten, von unten her in die Loecher der Schriftstuecke eintretenden Gliedern