DE548322C - Daylight pack for perforated film - Google Patents

Daylight pack for perforated film

Info

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
Application number
DEZ19649D
Other languages
German (de)
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.)
Zeiss Ikon AG
Original Assignee
Zeiss Ikon AG
Publication date
Priority to DEZ19649D priority Critical patent/DE548322C/en
Application granted granted Critical
Publication of DE548322C publication Critical patent/DE548322C/en
Expired legal-status Critical Current

Links

Classifications

    • 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
    • G03C1/765Photosensitive 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)

Patentansprüche:Patent claims: 1. Tageslichtpackung für perforierten Film, dadurch gekennzeichnet, daß der den Anfang und das Ende des Filmban- 4» des bildende Lichtschutzstreifen (2 und 3) mit Perforationslöchern versehen ist, welche sich selbsttätig bei aufgewickelter Spule durch den nicht abgestanzten Teil (4) des Loches verschließen. *51. daylight pack for perforated film, characterized in that the the beginning and the end of the film band 4 »of the forming light protection strips (2 and 3) is provided with perforation holes, which are automatically when wound Close the coil with the unpunched part (4) of the hole. * 5 2. Tageslichtpackung nach Anspruch 1, dadurch gekennzeichnet, daß die den Lichtschutz bildenden Teile (2 und 3) der Packung aus weicherem Material hergestellt sind als das Filmband (1). So2. daylight pack according to claim 1, characterized in that the Light protection forming parts (2 and 3) of the pack made of softer material are as the film tape (1). So Hierzu ι Blatt ZeichnungenFor this purpose ι sheet of drawings
DEZ19649D Daylight pack for perforated film Expired DE548322C (en)

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)

* Cited by examiner, † Cited by third party
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

Cited By (3)

* Cited by examiner, † Cited by third party
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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