EP0003929A2 - Photographisches Verfahren zur Herstellung von Mustern auf einem mit einer photographischen Emulsion versehenen Träger, Zeichnung und Entwicklung der Muster bei Tageslicht, Produkte und Apparat für dieses Verfahren - Google Patents

Photographisches Verfahren zur Herstellung von Mustern auf einem mit einer photographischen Emulsion versehenen Träger, Zeichnung und Entwicklung der Muster bei Tageslicht, Produkte und Apparat für dieses Verfahren Download PDF

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Publication number
EP0003929A2
EP0003929A2 EP79400088A EP79400088A EP0003929A2 EP 0003929 A2 EP0003929 A2 EP 0003929A2 EP 79400088 A EP79400088 A EP 79400088A EP 79400088 A EP79400088 A EP 79400088A EP 0003929 A2 EP0003929 A2 EP 0003929A2
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EP
European Patent Office
Prior art keywords
photographic
support
indelible
emulsion
product
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.)
Withdrawn
Application number
EP79400088A
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English (en)
French (fr)
Other versions
EP0003929A3 (de
Inventor
Claude Fleurent
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Publication of EP0003929A2 publication Critical patent/EP0003929A2/de
Publication of EP0003929A3 publication Critical patent/EP0003929A3/de
Withdrawn legal-status Critical Current

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    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03D—APPARATUS FOR PROCESSING EXPOSED PHOTOGRAPHIC MATERIALS; ACCESSORIES THEREFOR
    • G03D17/00—Dark-room arrangements not provided for in the preceding groups; Portable dark-rooms
    • 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
    • G03C11/00—Auxiliary processes in photography
    • G03C11/02—Marking or applying text

Definitions

  • the subject of the present invention is a photographic method for producing drawings on a support covered with a photographic emulsion, in particular slides and drawn photographs.
  • the main purpose of the invention is to produce drawn photographs which can be developed in daylight, and which has the advantage of avoiding excess thickness.
  • the starting support may for example be an opaque strip of hazy film, such as is found in the priming strips of films, and which is in principle unusable.
  • the indelible material can be a suitable protective varnish, which is resistant to various products such as bleach, and photographic development products.
  • a two-tone image for example black and white.
  • the black corresponds to the parts of the support on which varnish or liquid latex has been spread, while the white corresponds to the remaining part of the image, the photographic development treatment of which has driven off the emulsion by soaking in the fixative without the revealing phase.
  • the shore may be black, the sea gray, and the sky white, without of course prejudging other elements which may appear on the coast or on the sea, in white or black.
  • the subject of the invention is also the industrial product consisting of a support coated with a photographic emulsion, and on which a drawing has been produced by implementing the above-mentioned process.
  • the invention also relates to a device for implementing the aforementioned method, this device comprising in combination a housing which contains supports coated with a photographic emulsion such as veiled films and plastic sheets, an indelible material such as a varnish or a liquid latex resistant to photographic products, intended to execute drawings on the aforementioned supports, means for spreading the indelible material on the support, a fixer and a photographic developer with corresponding trays, a suitable product such than a solvent to remove the indelible material deposited on the support, and an explanatory note.
  • FIGS. 1 and 2 The photographic process for producing drawings on a support covered with a photographic emulsion, as illustrated diagrammatically in FIGS. 1 and 2 comprises, in accordance with the invention, the following operations:
  • a support 10 of suitable format and nature for example a web of veiled film, or a photographic paper or a metallic support, or a sheet of plastic material coated with an emulsion
  • the drawing provided on the drawing is carried out.
  • emulsion with a brush or pen using an indelible material resistant to photographic products such as developer and fixer.
  • the duration of the soaking in the developer which is done in broad daylight and not necessarily in a dark room as in the usual photographic techniques, is variable according to the tone which one wishes to obtain. If you leave the support a fairly short time in the developer, you get a light gray, while if you leave it longer, you get a dark gray. The operator can thus visually control the shade he wants to obtain, in daylight.
  • two-tone designs are obtained, for example black and gray.
  • a selected part of the developed bottom is covered with indelible material, for example sea 14 (see FIG. 4).
  • the remaining surface is then treated with a bleaching product in order to expel the emulsion in part or entirely (depending on whether this bleaching product is concentrated or very diluted and also according to the attack time of this product), on the parts of the support which have not been covered with indelible material.
  • the bleaching product can for example be bleach.
  • rectangles 5a and 5b correspond to the additional operations provided for by this second embodiment of the invention.
  • the rectangle 5a corresponds to the covering of varnish or "drawing gum", of the chosen part of the developed background, while the step 5 b corresponds to the dissolution in bleach which drives out the emulsion.
  • the sky 15, a beach 16 and dwelling houses 17 constitute a white background, corresponding to the part of the support from which the emulsion, assuming white is the color of the support below the emulsion layer.
  • this color could be any other, in particular if a metal sheet is chosen as the support.
  • Zone 18 represents the rocks which border the sea 14 and overhang the beach 16; this zone 18 corresponds to the surface which has been covered with indelible material.
  • This process is not limited to obtaining the three shades; we can indeed repeat phases 5a and 5b as many times as we want to obtain different shades.
  • step 16 The slide is soaked in a product called "color change" in order to obtain the desired color on the area not covered with indelible material. This step is symbolized at 15 in Figure 1. Finally, we remove the varnish (step 16).
  • a colored area is obtained on a black, gray and white image, for example a yellow sun on a background of trees. This operation can be repeated in order to possibly obtain several zones of different colors.
  • the method according to the invention has a certain number of advantages compared to the usual techniques.
  • the development products used can be the normal fixer and developer of the usual photographic technique.
  • the method according to the invention can be used in particular by all teachers of graphic expression who use photography or slides as a means artistic expression graphic. This process can also be used to make "tipons" in photoengraving or screen printing.
  • the method described above can be implemented by means of a device comprising a housing in which all the necessary elements and ingredients are gathered: films, photographic papers or sheets of plastic material covered with an emulsion, one or more bottles of indelible varnish or "drawing gum", a brush and / or a feather to spread this varnish, a cloth, petrol or trichlorethylene if using a varnish, a developer and a photographic fixer with possibly corresponding bins.
  • the invention is not limited to the various embodiments described and may include variant embodiments. It is in particular possible to transfer the film to the desired color, by dipping this film in a color toning product. We then obtain, not a black and white slide, but a slide entirely colored in a specific color, for example blue, green, red, etc., with different shades on this monochrome background.

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Treatments Of Macromolecular Shaped Articles (AREA)
  • Silver Salt Photography Or Processing Solution Therefor (AREA)
  • Mirrors, Picture Frames, Photograph Stands, And Related Fastening Devices (AREA)
EP79400088A 1978-02-27 1979-02-09 Photographisches Verfahren zur Herstellung von Mustern auf einem mit einer photographischen Emulsion versehenen Träger, Zeichnung und Entwicklung der Muster bei Tageslicht, Produkte und Apparat für dieses Verfahren Withdrawn EP0003929A3 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR7805479A FR2418481A1 (fr) 1978-02-27 1978-02-27 Photographies et diapositives dessinees et developpees en plein jour : photodiagraphie et/ou photodiapographie
FR7805479 1978-02-27

Publications (2)

Publication Number Publication Date
EP0003929A2 true EP0003929A2 (de) 1979-09-05
EP0003929A3 EP0003929A3 (de) 1979-09-19

Family

ID=9205064

Family Applications (1)

Application Number Title Priority Date Filing Date
EP79400088A Withdrawn EP0003929A3 (de) 1978-02-27 1979-02-09 Photographisches Verfahren zur Herstellung von Mustern auf einem mit einer photographischen Emulsion versehenen Träger, Zeichnung und Entwicklung der Muster bei Tageslicht, Produkte und Apparat für dieses Verfahren

Country Status (2)

Country Link
EP (1) EP0003929A3 (de)
FR (1) FR2418481A1 (de)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2532888A1 (en) * 1982-09-15 1984-03-16 Antibi Claude Method and equipment for drawing on photographic paper
EP0554505A1 (de) * 1992-02-06 1993-08-11 Gerber Scientific Products, Inc. Verfahren zum Bedrucken einer Graphik gleicher Farbdichte, auf eine emulsionsbeschichtete Siebdruckform

Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB191118415A (en) * 1910-08-16 1912-02-08 Josef Jacobs Improved Method of Preparing Printing Surfaces.
US1709600A (en) * 1927-08-25 1929-04-16 Henry M Baker Camera copy, and method of, and medium for making the same
US2140525A (en) * 1937-09-10 1938-12-20 Du Pont Film Mfg Corp Method of inscribing photosensitive elements
FR952995A (fr) * 1947-08-27 1949-11-28 Laboratoire photographique portatif
GB807047A (en) * 1956-05-28 1959-01-07 T Clark & Davies Ltd Sa Combined storage and work table unit primarily for photographic equipment
GB1118301A (en) * 1967-06-26 1968-06-26 John Anatole Brun Contact printing process
FR1581671A (de) * 1968-07-12 1969-09-19
FR1592468A (de) * 1968-11-21 1970-05-11
FR2241809A1 (en) * 1973-08-22 1975-03-21 Dane And Scot Ltd Direct marking of photographic materials - by pressure transferring masking or desensitising material on photosensitive layer

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB191118415A (en) * 1910-08-16 1912-02-08 Josef Jacobs Improved Method of Preparing Printing Surfaces.
US1709600A (en) * 1927-08-25 1929-04-16 Henry M Baker Camera copy, and method of, and medium for making the same
US2140525A (en) * 1937-09-10 1938-12-20 Du Pont Film Mfg Corp Method of inscribing photosensitive elements
FR952995A (fr) * 1947-08-27 1949-11-28 Laboratoire photographique portatif
GB807047A (en) * 1956-05-28 1959-01-07 T Clark & Davies Ltd Sa Combined storage and work table unit primarily for photographic equipment
GB1118301A (en) * 1967-06-26 1968-06-26 John Anatole Brun Contact printing process
FR1581671A (de) * 1968-07-12 1969-09-19
FR1592468A (de) * 1968-11-21 1970-05-11
FR2241809A1 (en) * 1973-08-22 1975-03-21 Dane And Scot Ltd Direct marking of photographic materials - by pressure transferring masking or desensitising material on photosensitive layer

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2532888A1 (en) * 1982-09-15 1984-03-16 Antibi Claude Method and equipment for drawing on photographic paper
EP0554505A1 (de) * 1992-02-06 1993-08-11 Gerber Scientific Products, Inc. Verfahren zum Bedrucken einer Graphik gleicher Farbdichte, auf eine emulsionsbeschichtete Siebdruckform

Also Published As

Publication number Publication date
FR2418481A1 (fr) 1979-09-21
EP0003929A3 (de) 1979-09-19

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