DE548322C - Daylight pack for perforated film - Google Patents
Daylight pack for perforated filmInfo
- Publication number
- DE548322C DE548322C DEZ19649D DEZ0019649D DE548322C DE 548322 C DE548322 C DE 548322C DE Z19649 D DEZ19649 D DE Z19649D DE Z0019649 D DEZ0019649 D DE Z0019649D DE 548322 C DE548322 C DE 548322C
- Authority
- DE
- Germany
- Prior art keywords
- daylight
- pack
- film
- perforated film
- light protection
- 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.)
- Expired
Links
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
- G03C1/765—Photosensitive materials characterised by the base or auxiliary layers characterised by the shape of the base, e.g. arrangement of perforations, jags
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Packages (AREA)
Description
Den Gegenstand der vorliegenden Erfindung bildet eine Tageslichtpackung für perforierten Film. Um das Eindringen von Tageslicht durch die Perforation in das Innere der Filmspule zu verhindern, ist erfindungsgemäß ein kurzes Stück von Anfang und Ende des Filmbandes, welches als Lichtschutzstreifen dient, mit einer Perforation versehen, welche sich selbsttätig nach erfolgtem Eingriff des Filmtransportorgans wieder schließt. Es wird dies dadurch -erreicht, daß man die Perforationsöffnung nicht, wie üblich, vollkommen ausstanzt, sondern nur an drei Seiten, wodurch der noch an der Perforationsöffnung hängende Teil als Deckklappe dient, welche sich nach erfolgtem Eingriff des Transportorgans selbsttätig wieder schließt. Um ein Abbrechen dieser Deckklappe zu verhindern, kann der den Lichtschutz bildende Anfang und das Ende des Films, welche zweckmäßig mit einer für die aktinisch wirkenden Lichtstrahlen nicht durchlässigen Färbung versehen sind, aus weicherem Material hergestellt sein als das Filmband selbst.The subject of the present invention is a daylight pack for perforated Movie. In order to prevent the penetration of daylight through the perforation into the interior of the film reel, is according to the invention a short piece from the beginning and end of the film tape, which acts as a light protection strip serves, provided with a perforation, which is automatically after The intervention of the film transport member closes again. This is achieved in that the perforation opening is not punched out completely, as usual, but only at three sides, whereby the part still hanging on the perforation opening acts as a cover flap serves, which is automatically restored after the transport member has intervened closes. To prevent this cover flap from breaking off, the light protection can be used forming the beginning and the end of the film, which expediently do not allow the actinic light rays to pass through Coloring, be made of a softer material than the film tape itself.
In der Zeichnung ist die Erfindung in einem Ausführungsbeispiel in Abb. 1 bis 3 dargestellt. 1 ist das Filmband, an demselben sind die aus weicherem Material bestehenden Lichtschutzstreifen 2 und 3 befestigt. Die Perforation derselben besteht nicht aus offenen Löchern, sondern die an drei Seiten ausgestanzten Löcher werden, wie in Abb. 2 dargestellt, durch den noch am Loch hängenden Teil 4 verschlossen.In the drawing, the invention is shown in an exemplary embodiment in FIGS. 1 to 3 shown. 1 is the film tape, on the same are those made of softer material Light protection strips 2 and 3 attached. The perforation of the same does not consist of open holes, but the holes punched out on three sides, as in Fig. 2 shown, closed by the part 4 still hanging on the hole.
Claims (2)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DEZ19649D DE548322C (en) | Daylight pack for perforated film |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DEZ19649D DE548322C (en) | Daylight pack for perforated film |
Publications (1)
Publication Number | Publication Date |
---|---|
DE548322C true DE548322C (en) | 1932-04-11 |
Family
ID=7624928
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DEZ19649D Expired DE548322C (en) | Daylight pack for perforated film |
Country Status (1)
Country | Link |
---|---|
DE (1) | DE548322C (en) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2781598A (en) * | 1951-07-03 | 1957-02-19 | Mergenthaler Linotype Gmbh | Typographic negative film |
DE1027049B (en) * | 1953-01-23 | 1958-03-27 | Josef Burgmer | Paper web with openings for guidance in register |
US3086862A (en) * | 1959-08-19 | 1963-04-23 | Eastman Kodak Co | Roll film for photographic cameras |
-
0
- DE DEZ19649D patent/DE548322C/en not_active Expired
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2781598A (en) * | 1951-07-03 | 1957-02-19 | Mergenthaler Linotype Gmbh | Typographic negative film |
DE1027049B (en) * | 1953-01-23 | 1958-03-27 | Josef Burgmer | Paper web with openings for guidance in register |
US3086862A (en) * | 1959-08-19 | 1963-04-23 | Eastman Kodak Co | Roll film for photographic cameras |
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