DE538808C - Roll film spool with light protection strips - Google Patents
Roll film spool with light protection stripsInfo
- Publication number
- DE538808C DE538808C DENDAT538808D DE538808DD DE538808C DE 538808 C DE538808 C DE 538808C DE NDAT538808 D DENDAT538808 D DE NDAT538808D DE 538808D D DE538808D D DE 538808DD DE 538808 C DE538808 C DE 538808C
- Authority
- DE
- Germany
- Prior art keywords
- light protection
- film
- strips
- strip
- roll film
- 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
- G03C3/00—Packages of films for inserting into cameras, e.g. roll-films, film-packs; Wrapping materials for light-sensitive plates, films or papers, e.g. materials characterised by the use of special dyes, printing inks, adhesives
- G03C3/02—Photographic roll-films with paper strips
Landscapes
- Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Storage Of Web-Like Or Filamentary Materials (AREA)
Description
Durch das Patent 537 569 ist eine Rollfilmspule unter Schutz gestellt, bei der zwecks Ausgleich der Längendifferenzen zwischen dem Film und dem Schutzstreifen beim Abrollen in eine Ebene die Rückseite des Filmbandes statt mit einem Papierstreifen mit einem Zellophanstreifen bedeckt ist. Ein mit einem solchen Schutzstreifen versehener Film läßt sich aber schlecht an der Filmspule befestigen, da der Schutzstreifen infolge seiner geringen Stärke reißt.By the patent 537 569 a roll film reel is placed under protection, in the purpose of Compensation for the differences in length between the film and the protective strip when it is unrolled in one plane the back of the film tape is covered with a cellophane strip instead of a paper strip. One with film provided with such a protective strip is difficult to attach to the film spool, because the protective strip tears due to its small thickness.
Um diesen Nachteil zu beseitigen, sind nach der Erfindung die die Fortsetzung des Lichtschutzstreifens bildenden Befestigungsstreifen oder -laschen aus stärkerem Material angefertigt als der Lichtschutzstreifen. Die am Anfang und Ende des Filmstreifens befestigten Verlängerungsstreifen oder -laschen, die sich unmittelbar hinter dem am Filmband angeordneten Lichtschutzstreifen anschließen, sind zweckmäßig in an sich bekannter Weise aus Papier hergestellt. Die Anbringung dieser Laschen kann an dieser Stelle unbedenklich erfolgen, da ein Ausgleich dort nicht nötig ist.In order to eliminate this disadvantage, the continuation of the light protection strip are according to the invention forming fastening strips or tabs made of stronger material than the light protection strip. The on The beginning and end of the film strip attached extension strips or tabs that connect directly behind the light protection strip arranged on the film tape, are expediently made of paper in a manner known per se. The attachment of this Lashing can be done safely at this point, as there is no compensation there is necessary.
In der Zeichnung ist die Erfindung in einem Ausführungsbeispiel dargestellt. DieIn the drawing, the invention is shown in one embodiment. the
am Anfang und Ende des Filmstreifens 3 befindlichen Verlängerungsstreifen oder -laschen i, die sich unmittelbar an den Lichtschutzstreifen 2 anschließen, sind aus stärkerem Material als der Lichtschutzstreifen, und zwar zweckmäßig aus Papier hergestellt. Diese Papierstreifen dienen lediglich zur Einfädelung des Films in die Filmaufwickelspule 5. An der Abwickelspule 4 kann die Papierlasche entweder angeklebt oder ebenfalls in einem Schlitz lösbar befestigt sein.located at the beginning and end of the film strip 3 Extension strips or tabs i, which are directly attached to the light protection strips Connect 2, are made of stronger material than the light protection strip, and expediently made of paper. These paper strips are only used to thread the film into the film take-up spool 5. The paper flap can either be glued to the supply reel 4 or likewise be releasably attached in a slot.
Claims (2)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE538808T |
Publications (1)
Publication Number | Publication Date |
---|---|
DE538808C true DE538808C (en) | 1931-11-19 |
Family
ID=6558303
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DENDAT538808D Expired DE538808C (en) | Roll film spool with light protection strips |
Country Status (1)
Country | Link |
---|---|
DE (1) | DE538808C (en) |
-
0
- DE DENDAT538808D patent/DE538808C/en not_active Expired
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