DE467780C - Process for providing photographic raw films with visible, copyable lettering at regular intervals outside the image area, consisting of consecutive numbers or characters - Google Patents

Process for providing photographic raw films with visible, copyable lettering at regular intervals outside the image area, consisting of consecutive numbers or characters

Info

Publication number
DE467780C
DE467780C DEJ30644D DEJ0030644D DE467780C DE 467780 C DE467780 C DE 467780C DE J30644 D DEJ30644 D DE J30644D DE J0030644 D DEJ0030644 D DE J0030644D DE 467780 C DE467780 C DE 467780C
Authority
DE
Germany
Prior art keywords
visible
characters
lettering
regular intervals
image area
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
DEJ30644D
Other languages
German (de)
Inventor
Dr Hermann Lummerzheim
Dr Eduard Schnitzler
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.)
IG Farbenindustrie AG
Original Assignee
IG Farbenindustrie AG
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 IG Farbenindustrie AG filed Critical IG Farbenindustrie AG
Priority to DEJ30644D priority Critical patent/DE467780C/en
Priority to FR639330D priority patent/FR639330A/en
Priority to DEI31853D priority patent/DE468374C/en
Priority to DEI31920D priority patent/DE469193C/en
Priority to GB22268/27A priority patent/GB287124A/en
Priority to CH134969D priority patent/CH134969A/en
Priority to US294053A priority patent/US1983910A/en
Priority to FR35627D priority patent/FR35627E/en
Priority to GB21833/28A priority patent/GB295383A/en
Priority to GB2195728A priority patent/GB295578A/en
Application granted granted Critical
Publication of DE467780C publication Critical patent/DE467780C/en
Priority to DEI36572D priority patent/DE517163C/en
Priority to FR37043D priority patent/FR37043E/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
    • G03C11/00Auxiliary processes in photography
    • G03C11/02Marking or applying text
    • 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
    • G03C3/00Packages 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

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Non-Silver Salt Photosensitive Materials And Non-Silver Salt Photography (AREA)

Description

Verfahren zum Versehen photographischer Rohfilme mit sichtbarer kopierfähiger Beschriftung in regelmäßigen Abständen außerhalb der Bildfläche, bestehend aus fortlaufenden Zahlen oder Zeichen Es ist seit langem üblich, den photographischen Rolifilm am Schluß des Fabrikationsgatiges init Beschriftungen verschiedener Art zu versehen. Während bei den meisten photographischen Fabrikaten lediglich der Firmenname auf dein Film angebracht wird, wird der Kinofilm außerdem nr-ch mit einer Längenkennzeichnung versehen. Bish-,-r wurde diese Beschriftung in der Weise vorgenommen, daß die auf (]ein Film anzubringcnden Buchstaben, Zahlen usw. auf die Ränder außerhalb der Bildfläche aufbelichtet wurden. Die in dieser Weise erzeugten latenten Bilder werden bei der Entwicklung des belichteten Films als schwarze Schriftzeichen sichtbar. Diese Art der Beschriftung hat den erheblichen Nachteil, daß sie am Rohfilm, solange er inoch nicht verarbeitet und -entwickelt worden ist, nicht sichtbar ist.A method for providing photographic green sheets with visible copyable label at regular intervals outside the viewing area, comprising continuous numbers or characters It has long been common to provide the photographic Rolifilm at the end of Fabrikationsgatiges init labels of various kinds. While most photographic brands only put the company name on your film, the cinema film is also provided with a length marking nr-ch. Until -, - r this inscription was carried out in such a way that the letters, numbers, etc. to be affixed to a film were exposed on the edges outside the image area This type of lettering has the considerable disadvantage that it is not visible on the raw film as long as it has not yet been processed and developed.

Es ist ferner vorgeschlagen worden, die Bes,chriftung durch Farbauftrag auf die lichtempfindliche Schicht vorzunehmen und hierzu eine Farbe zu verwenden, welche in den pliotographischen Bädern löslich ist und nach der Entwicklung ein Silb2rbild zurückläßt. Dieses #lerfahren ergibt zwar Beschriftungen, welche bereits am Rohlilm schwach sichtbar sind, hat aber den Nachteil, (laß die einzelnen Buchstaben und Zahlen nicht mit der wünschenswerten Schärfe auf den Film gedruckt werden können und daß die Beschriftung auf der solir empfindlichen Schichtseite vongenommen werden muß.It has also been proposed that the labeling be done by applying paint on the photosensitive layer and use a color for this purpose, which is soluble in the pliotographic baths and after developing a Silb2rbild leaves behind. This #learning results in labels that are already are faintly visible on the raw film, but has the disadvantage (leave the individual letters and numbers cannot be printed on the film with the desired sharpness and that the writing on the sensitive side of the layer is removed got to.

Weiterhin ist vorgeschlagen worden, die Beschriftung mit Hilfe von erwärmten Prigestempeln vorzunehmen. Auch bei diesem Verfahren wir»(1 die empfindliche Schichtseit,-beschriftet.It has also been proposed to use to make heated prige stamps. In this procedure, too, we »(1 the sensitive Shift side, -labeled.

Es wurde nun gefunden, daß sich ein photographischer Rohfihn vorteilhaft durch Aufdruck der Buchstaben und Zahlen auf die Rückseite des Schichttragers init einer sichtbaren Beschriftung versehen läßt. Der Aufdruck erfolgt mit Lösungen von Farbstoffen in geeigneten Lösungsmitteln. Die Lösungsmittel müssen unter dem Gesichtspunkt ausgewählt werden, daß der Aufdruck sich datierhaft mit dem Schichtträger veroinigt und so rasch trocknet, (laß eine Beschriftung in fortlaufendem Arbeitsgange und ohne Einschaltung besonderer Trockenvorrichtungen möglich ist. Man verwendet aus diesen Gründen schnerflüchtige Lösungsmittel, welche nicht verdampfen, sondern in den Schichtträger einziehen. Dadurch wird eine viel höhere Trocknungsgeschwindigkeit erreicht als bei Ver-I t' wendung leichtflüchtiger Lösungsmittel. Außerdem sind Lösungen von Farbstoffen in schwerflüchtigen Lösungsmitteln, z. B. Glykolacetat, viskoser als Alkohol- oder Acetonlösungen. Die erhöhte Viskosität ist für die Erzielung eines randscharfen Druckes von Vorteil. Gegebenenfalls können den schwerflüchtigen Lösungsmitteln leichtflüchtige Lösungsmittel, welche die Löslichkeit des Farbstoffs erhöhen, zugesetzt werden, ohne daß dadurch die Trocknuhgsgeschwindigkeit verlangsamt würde.It has now been found that a photographic raw film is advantageous by printing the letters and numbers on the back of the layer carrier init can be provided with a visible lettering. The printing is done with solutions from Dyes in suitable solvents. The solvents must be from the point of view be selected so that the print is dated with the support and dries so quickly, (leave a lettering in continuous operation and is possible without the use of special drying devices. One used out For these reasons, more volatile solvents, which do not evaporate, but in pull in the substrate. This will result in a much faster drying speed reached than with Ver-I t ' use of volatile solvents. In addition, solutions of dyes in non-volatile solvents such. B. Glycol acetate, more viscous than alcohol or acetone solutions. The increased viscosity is advantageous for achieving a sharp-edged print. If necessary, can the non-volatile solvents volatile solvents, which the solubility of the dye can be added without thereby reducing the drying speed would be slowed down.

Dieses Verfahren zur Beschriftung von Film besitzt den Vorzug, daß eine Längennumerierung- entsteht, welche bereits vor der Belichtung und Entwicklung sichtbar ist, und daß die lichtempfindliche Schicht nach dem Aufbringen auf den Schichtträger keiner weiteren Behandlung unterworfen wird, da der Aufdruck auf der Rückseite des Schichtträgers erfolgt.This method of writing on film has the advantage that a length numbering arises, which already before the exposure and development is visible, and that the photosensitive layer after application to the The substrate is not subjected to any further treatment, since the imprint on the Rear side of the substrate takes place.

Claims (1)

I'A T E INT A N S ? IZ U C.H . Verfahren zum Versehen photographischer Rohfilme mit sichtbarer kopierfähiger Beschriftung in regelmäßigen Abständen außerhalb der Bildfläche, bestehend aus fortlaufenden Zahlen oder Zeichen, dadurch gekennzeichnet, daß die Zahlen oder Zeichen auf die Rückseite des Schichtträgers mit einer Lösung von Farbstoff in schwerflüchtigen Lösungsmitteln aufgedruckt werden.I'A TE INT A N S ? IZ U CH . Process for providing photographic raw films with visible, copiable lettering at regular intervals outside the image area, consisting of consecutive numbers or characters, characterized in that the numbers or characters are printed on the back of the support with a solution of dye in low-volatility solvents.
DEJ30644D 1927-03-16 1927-03-16 Process for providing photographic raw films with visible, copyable lettering at regular intervals outside the image area, consisting of consecutive numbers or characters Expired DE467780C (en)

Priority Applications (12)

Application Number Priority Date Filing Date Title
DEJ30644D DE467780C (en) 1927-03-16 1927-03-16 Process for providing photographic raw films with visible, copyable lettering at regular intervals outside the image area, consisting of consecutive numbers or characters
FR639330D FR639330A (en) 1927-03-16 1927-08-11 Process for providing blank photographic films with visible inscriptions capable of being reproduced
DEI31853D DE468374C (en) 1927-03-16 1927-08-12 Process for providing photographic raw films with visible, copyable writing
DEI31920D DE469193C (en) 1927-03-16 1927-08-13 Process for providing photographic raw films with visible, copyable writing
GB22268/27A GB287124A (en) 1927-03-16 1927-08-24 Process for providing photographic raw film with visible reproducible inscriptions
CH134969D CH134969A (en) 1927-03-16 1928-02-06 Process for providing photographic raw films with visible, copiable lettering at regular intervals outside the image area.
US294053A US1983910A (en) 1927-03-16 1928-07-19 Inscription bearing film and ink for making same
FR35627D FR35627E (en) 1927-03-16 1928-07-20 Process for providing blank photographic films with visible inscriptions capable of being reproduced
GB21833/28A GB295383A (en) 1927-03-16 1928-07-27 A method of providing photographic raw film with visible reproducible inscriptions
GB2195728A GB295578A (en) 1927-03-16 1928-07-28 A method of providing photographic raw film with visible reproducible inscriptions
DEI36572D DE517163C (en) 1927-03-16 1928-12-22 Photographic roll film without protective paper
FR37043D FR37043E (en) 1927-03-16 1929-06-13 Process for providing blank photographic films with visible inscriptions capable of being reproduced

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DEJ30644D DE467780C (en) 1927-03-16 1927-03-16 Process for providing photographic raw films with visible, copyable lettering at regular intervals outside the image area, consisting of consecutive numbers or characters

Publications (1)

Publication Number Publication Date
DE467780C true DE467780C (en) 1928-10-30

Family

ID=7203961

Family Applications (1)

Application Number Title Priority Date Filing Date
DEJ30644D Expired DE467780C (en) 1927-03-16 1927-03-16 Process for providing photographic raw films with visible, copyable lettering at regular intervals outside the image area, consisting of consecutive numbers or characters

Country Status (1)

Country Link
DE (1) DE467780C (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE767271C (en) * 1936-12-23 1952-03-31 Otto Perutz Trockenplattenfabr Method for marking the beginning and / or end of roll films

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE767271C (en) * 1936-12-23 1952-03-31 Otto Perutz Trockenplattenfabr Method for marking the beginning and / or end of roll films

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