US2726588A - Apparatus for the production of photographic images on various materials - Google Patents

Apparatus for the production of photographic images on various materials Download PDF

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Publication number
US2726588A
US2726588A US217493A US21749351A US2726588A US 2726588 A US2726588 A US 2726588A US 217493 A US217493 A US 217493A US 21749351 A US21749351 A US 21749351A US 2726588 A US2726588 A US 2726588A
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cylinder
shaft
materials
actinic
actinic light
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US217493A
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English (en)
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Wasteels Hubert Leon Julien
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    • 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
    • G03C5/00—Photographic processes or agents therefor; Regeneration of such processing agents
    • G03C5/08—Photoprinting; Processes and means for preventing photoprinting
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
    • G03B27/00—Photographic printing apparatus
    • G03B27/02—Exposure apparatus for contact printing
    • G03B27/14—Details
    • G03B27/18—Maintaining or producing contact pressure between original and light-sensitive material
    • G03B27/22—Maintaining or producing contact pressure between original and light-sensitive material by stretching over a curved surface
    • 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
    • G03C1/7642—Photosensitive materials characterised by the base or auxiliary layers the base being of textile or leather

Definitions

  • the present invention relates to an apparatus for the production of photographic images on various materials.
  • the invention is concerned especially with the continuous production of photographic images by a process and with the aid of an apparatus by means of which the images are formed at high speed.
  • the design or pattern of the impression is obtained, in these usual processes, by localising the deposition of the printing solution, emulsions, suspension or paste on certain parts of the textile or like material, by employing for discontinuous operation marking sheets, pads, stencil sheets or so-called lyonnais or silk-screen frames, and, for continuous printing, engraved rollers or cylinders, for example of bronze.
  • the present invention has for its object to provide a process for the production of photographic images, not only on textile materials or similar flexible materials, but also on solid materials, notably wood, metals, plastic materials, etc., the process according to the invention having none of the disadvantages of the usual processes and being very simple.
  • the said material is subjected to the action of an actinic light, so as to destroy the diazo compound in predetermined Zones of the surface of the material, and the diazo compound remaining on the material, that is to say the diazo compound which has not been destroyed by the actinic light, is subjected to the action of at least one coupling agent.
  • the invention differs from the combined use of diazo sulphonates and coupling agents in that it is characterised by the photochemical destruction of materials capable of subsequently forming a colouring agent under a suitable treatment, and not by the photochemical formation of a colouring agent, by reason of the fact that actual diazo compounds are employed and not substances capable of forming diazo compounds.
  • the light destroying the photosensitive material penetrates into and through the fibres.
  • the images are consequently obtained on the two faces of this textile material.
  • the semi-dyes are constituted of colouring agents which are formed, not superficially, but actually within the fibres.
  • the application of the diazo compound over the entire material to be treated may be effected, in the process according to the invention, in the manner known per so by aerograph spraying by passage between rollers, by coating by means of a doctor or by means of a gumming machine.
  • the material in question is preferably dried before being subjectedto the action of a source of actinic light, which may consist of one or more mercury vapour tubes, developing for example a power of from 3000 to 3500 watts.
  • the material which has undergone the action of the actinic light so that in certain predetermined zones of .3 its surface the diazo compound has undergone a deterioration such that it is no longer capable of coupling is treated by a coupling agent, for example by vaporisation or passage between rollers, which produces a colouring agent depending upon the nature of the diazo compound and of the coupling agent at the points at which the diazo compound in question has not undergone the action of the actinic radiations.
  • a coupling agent for example by vaporisation or passage between rollers, which produces a colouring agent depending upon the nature of the diazo compound and of the coupling agent at the points at which the diazo compound in question has not undergone the action of the actinic radiations.
  • a screen having parts pervious to the latter light and parts impervious thereto, according to the pattern or image which it is desired to obtain on the material in question.
  • the screen in question may consist of an image formed on a suitable support.
  • screens suitable for carrying the invention into effect there may be cited photographic pellicles, films or plates which may be hardened and which bear either a negative or a posi tive image, ruled screens, stencil plates, designs on any transparent or translucent supports, designs on tracing paper, tracing cloths, diazotypes, etc.
  • the material is subjected to a continuous movement with respect to the source of actinic light, while the aforesaid screen is preferably simultaneously actuated with a movement in the same direction and at the same speed as that of the aforesaid material.
  • the screen When it is desired to obtain photographic images continuously on a web of textile material or similar flexible material, the latter and the aforesaid screen are subjected to a rotational movement about the source of actinic light, the screen preferably being in contact with the textile or like material, while the latter is subjected to the action of the actinic radiations.
  • the screen preferably consists of an endless photographic film.
  • the diazo compounds with the aid of which the material is sensitised over its entire area include, according to the invention, compounds belonging to the class containing diazo and tetrazo bases, the salts of diazonium and tetrazonium, the double salts of metal and diazonium derivative, the internal anhydrides of diazo compounds, etc.
  • diazo compounds are the chloride of N-phenyl-4-aminobenzene diazonium, the chlorozincate of NzN-diethyl-4-aminobenzene diazonium, the sulphate of N-phenyl-4-aminobenzene diazonium, the internal anhydride of 2-diazo-l-naphthol-S-sulphonic acid, and the diazo derivatives of S-amino-benzoylarnino-l:4- diethoxybenzene, of p-amino-hydroxyethylaniline, of pamino-dimethylaniline, of p-amino-mono-ethyl-o-toluidine, etc., excluding diazosulphonates and hydrazine-sulphonates.
  • Coupling agents which give rise to the development of a colouring agent by reaction with a diazo compound include coupling agents containing no water-solubilising groups, such as napthols and the derivatives thereof, notably those commercially known as Naphthols AS and constituted generally by arylides of aryloxy-carboxylic acids or by ketones.
  • Such coupling agents there may be cited o-toluidide of 2:3-hydroxyanthracene carboxylic acid, diacetylacetolidide, 5- chloro-2-toluidide of 2:3-hydroxynaphthoic acid, the otoluidide of 2:3-hydroxy-naphthoic acid, l-hydroxynaphthy1-4-tihenyl acetone, etc.
  • the process according to the invention makes it possible to produce images having excellent resistance to washing and to light.
  • the images obtained in accordance with the invention may obviously be subjected to known treatments, notably to treatments, for example with metallic salts or formaldehyde, having the effect of modifying the shade of the colouring agents produced on the fibres, of fixing the shade of these colouring agents, of improving their resistance to chemical agents and to physical treatments, etc.
  • the process according to the invention as applied to textile materials or the like, is in addition compatible with the usual dyeing processes.
  • the textile materials or the like may be dyed before or after the formation of photographic images by the process according to the invention.
  • Example I An acetate rayon fabric is sensitised by passage between rollers with the aid of an aqueous solution containing 10 grammes per litre of N-phenyl-4-amino-benzene diazonium chloride. After drying, the fabric is exposed to actinic radiations behind an image carrier or screen, some Zones of which are pervious to the said radiations, while other zones are impervious thereto.
  • the fabric is then passed into a bath consisting of a solution containing per litre: 15 grammes of Naphthol AS-GR or 5 grammes of ortho-toluidide of 2:3-hydroxyanthracene carboxylic acid, 45 cc. of ethanol, and 6 cc. of caustic soda solution at a concentration of 38 Baum.
  • the fabric After development in the latter bath, the fabric is rinsed with hot water, moderately heated in the presence of a soap solution, rinsed again in hot water and dried. The image obtained is green.
  • Example 11 A viscose rayon fabric is vaporised with the aid of an aqueous solution containing 10 grammes per litre of NzN- diethyl-4-aminobenzene diazonium chlorozincate. After local exposure to light, the fabric is impregnated with the aid of an aqueous solution containing per litre: 10 grammes of phenylmethylpyrazolone and 10 grammes of caustic soda solution (38 Baum).
  • the fabric is subsequently treated in the manner indicated in Example I, whereby a red image is obtained.
  • Example III A cotton fabric is sensitised as in Example II. After predetermined zones of the fabric have been subjected to the action of a source of actinic light, the fabric in question is developed by atomisation with the aid of an aqueous solution containing per litre: 1O grammes of beta-naphthol and 6 cc. of caustic soda solution (38 Baum).
  • Example V A sheet of white wood is vaporised with the aid of a solution of N-phenyl-4-amino-benzene diazonium chloride. After drying, the sheet in question is exposed to the action of actinic radiations through an image carrier or screen bearing, for example, an image representing the grain of a precious wood, such as mahogany, Brazilian rosewood, etc.
  • the sheet of white wood is then subjected to the action of a developing agent, such as phenylmethylpyrazolone.
  • the present invention also concerns an arrangement for continuously producing photographic images on textile materials or similar flexible materials by the process described and defined in the foregoing.
  • the arrangement according to the invention comprises essentially a fixed hollow shaft mounted on supports, a first cylinder consisting of a material pervious to actinic light, rigidly mounted on the aforesaid shaft concentrically in relation thereto, at least one source of actinic light mounted in the first cylinder and a second cylinder consisting of material pervious to actinic light, concentric to the first cylinder and of larger diameter than the first cylinder, the second cylinder being mounted on the aforesaid fixed shaft and arranged to turn about the first cylinder.
  • the first cylinder comprises two flat end members or cheeks perpendicular to the aforesaid fixed shaft and having formed therein orifices affording passage to tubes for the generation of actinic light
  • the second cylinder comprises two conical end members or checks mounted on the aforesaid fixed shaft through bearings, at least one of the conical end members of the second cylinder being detachable.
  • the arrangement comprises means for maintaining a circulation of air or of a cooling fluid between the aforesaid cylinders, while it preferably comprises in addition means for setting up a pressure reduction within the first aforesaid cylinder.
  • Figures 1 and 2 each show in vertical longitudinal section a part of the arrangement, Figure 1 showing the part to the left of the dot-and-dash line A-A, and Figure 2 showing the other part to the right of the line A-A, and
  • Figure 3 is an end view of the arrangement.
  • the arrangement illustrated in the drawings comprises a hollow shaft 1 rigidly mounted on two supports 2 arranged to slide at their lower ends 3 in longitudinal rails 4 so as to enable the arrangement to be moved in a direction parallel to the axis of the hollow shaft 1.
  • the hollow shaft 1 supports a first cylinder 5 consisting of a material pervious to actinic radiations, for example quartz or silicate glass, and rigidly mounted on the said hollow shaft 1.
  • a first cylinder 5 consisting of a material pervious to actinic radiations, for example quartz or silicate glass, and rigidly mounted on the said hollow shaft 1.
  • Formed in the flat end plates or cheeks 6 of the cylinder 5 are apertures through which there extend tubes 7 for the generation of actinic light.
  • the conductor wires 8 connected to the ends of the tubes 7 penetrate into the hollow shaft 1 through orifices 9 therein, outside the first cylinder 5.
  • the hollow shaft 1 thus serves as a sleeve for the passage of the said conductor wires 8.
  • a second cylinder 10 also consisting of a material pervious to actinic radiations, is mounted concentrically to the first cylinder 5.
  • the second cylinder 10 is of larger diameter than the first cylinder 5 and is supported by two conical members or cheeks 11 and 11 arranged to turn on the hollow shaft 1 with the aid of a ball, needle or roller bearing 12.
  • the second cylinder 10 serves as a support for a photographic image carrier 13 bearing the image which it is desired to reproduce on the textile or like material to be treated.
  • the second cylinder 19 may itself be converted into an image carrier by engraving or by any other suitable method.
  • the conical end members or checks 11 and 11 are preferably detachably mounted on the hollow shaft 1 so as to permit the removal of the second cylinder 10 with the photographic carrier supported thereby and the replacement of the latter cylinder by another bearing a different photographic carrier.
  • a circulation of air or other cooling fluid In the annular space 14 between the cylinders 5 and 10 there is preferably maintained a circulation of air or other cooling fluid.
  • the means employed for effecting this circulation comprise a blower 15, the discharge duct 16 of which communicates with a duct 17 leading to one end 22 of the hollow shaft 1.
  • the circulation of air or other cooling fluid through the gap 14 has the object of sufiiciently cooling the second cylinder 10 to prevent the actinic radiations from damaging the photographic image carrier, and the textile or like material passing around the said cylinder 10.
  • means are provided to set up within the first cylinder 5 a pressure reduction which inhibits the transmission of the heat developed by the tubes 7.
  • the means for setting up the pressure reduction in question comprise a vacuum pump 21 which communicates through a duct 23 with the end 24 of the hollow shaft 1, the communication between the interior of this hollow shaft and the interior of the first cylinder 5 being afforded by the orifices 25 formed in the said shaft 1.
  • Two guide rollers 26 and 26' arranged close together are provided in the upper part of the second cylinder 19. The function of these guide rollers will be explained later.
  • a screen 26 is provided in the annular gap 14 between the cylinders 5 and 16 and is supported by the first cylinder 5.
  • the web of textile or like material is subjected, while situated on the periphery of the cylinder 10, to the action of the actinic radiations generated by the tubes '7.
  • the photographic image carrier 13 allows the actinic radiations to pass at certain points, and these radiations destroy the diazo compound applied to the corresponding parts of the Web 27.
  • the web 27 is taken up by the second roller 26, whence it is driven towards the installation at which the coupling is effected with the aid of a coupling agent at those points of the web at which the actinic radiations have been unable to destroy the diazo compound owing to those parts of the image carrier 13 which are impervious to these radiations.
  • An apparatus for continuously obtaining photographic images upon textile materials or similar flexible materials comprising a hollow fixed shaft, means for supporting said shaft, a first fixed cylinder of a material permeable to actinic light mounted fixedly and concentrically upon said shaft, a source of actinic light mounted in said first cylinder, a second cylinder also of a material permeable to actinic light, concentric to said first cylinder and having a diameter greater than that of said first cylinder, said second cylinder being rotatively mounted on said fixed shaft, an endless photographic image carrier carried by said second cylinder, a passage between the interior of said hollow shaft and the interior of said first cylinder and means for creating through said hollow shaft and said passage a vacuum at the interior of said first cylinder.
  • An apparatus for continuously obtaining photographic images upon textile materials or similar flexible materials comprising a hollow fixed shaft, means for supporting said shaft, a first fixed cylinder of a material permeable to actinic light mounted fixedly and concentrically upon said shaft, a source of actinic light mounted in said first cylinder, a second cylinder also of a material permeable to actinic light, concentric to said first cylinder and having a diameter greater than that of said first cylinder, said second cylinder being rotatively mounted on said fixed shaft, an endless photographic image carrier carried by said second cylinder, a passage between the interior of said hollow shaft and the interior of said first cylinder and means connected to an end of said hollow shaft to create in said first cylinder a vacuum through said shaft and the passage established between said shaft and the interior of said cylinder.
  • An apparatus for continuously obtaining photographic images upon textile materials or similar flexible materials comprising a hollow fixed shaft, means for supporting said shaft, a first fixed cylinder of a material permeable to actinic light mounted fixedly and concentrically upon said shaft, a source of actinic light mounted in said first cylinder, a second cylinder also of a material permeable to actinic light, concentric to said first cylinder and having a diameter greater than that of said first cylinder, said second cylinder being rotatively mounted on said fixed shaft, an endless photographic image carrier carried by said second cylinder, a passage between the interior of said hollow shaft and the interior of said first cylinder, means for creating a vacuum in said first cylinder through said hollow shaft and the passage established between said shaft and the interior of said first cylinder and means for circulating a cooling fluid in the annular space between said first cylinder and said second cylinder.
  • An apparatus for continuously obtaining photographic images upon textile materials or similar flexible materials comprising a hollow fixed shaft, means for supporting said shaft, a first fixed cylinder of a material permeable to actinic light mounted fixedly and concentrically upon said shaft, a source of actinic light mounted in said first cylinder, a second cylinder also of a material permeable to actinic light, concentric to said first cylinder and having a diameter greater than that of said first cylinder, said second cylinder being rotatively mounted on said fixed shaft, an endless photographic image carrier carried by said second cylinder, a passage between the interior of said hollow shaft and the interior of said first cylinder, means connected to an end of said hollow shaft for creating in said first cylinder a vacuum through said shaft and the passage established between the interior of said shaft and the interior of said first cylinder, a partition in said shaft, a second passage between the interior of said shaft and the annular space provided between said first cylinder and said second cylinder, said second passage being established between said partition and the other end of said shaft, and means connected to

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Materials Engineering (AREA)
  • Coloring (AREA)
US217493A 1950-03-28 1951-03-26 Apparatus for the production of photographic images on various materials Expired - Lifetime US2726588A (en)

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Application Number Priority Date Filing Date Title
BE292830X 1950-03-28
BE120450X 1950-04-12

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US2726588A true US2726588A (en) 1955-12-13

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CH (1) CH292830A (fr)
FR (1) FR1055783A (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3993124A (en) * 1971-12-30 1976-11-23 Xerox Corporation Method and apparatus for fuser assembly cooling in an electrostatographic machine

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US601883A (en) * 1898-04-05 Art hue schwarz
US1841801A (en) * 1925-10-20 1932-01-19 Gay Eugene Process for obtaining photographic images
US2260486A (en) * 1937-12-18 1941-10-28 Schmeck Paul Copy printing machine
US2311016A (en) * 1934-01-19 1943-02-16 Hartford Nat Bank & Trust Co Photographic material and method of producing same
US2459362A (en) * 1945-06-02 1949-01-18 Builders Iron Foundry Photographic printing apparatus having a rotary light-transmitting cylinder and an endless belt bearing against the cylinder
US2512487A (en) * 1946-11-09 1950-06-20 Samuel G Rautbord Cylindrical photographic printing device
US2616344A (en) * 1948-11-24 1952-11-04 Warren R Patience Roller printer

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US601883A (en) * 1898-04-05 Art hue schwarz
US1841801A (en) * 1925-10-20 1932-01-19 Gay Eugene Process for obtaining photographic images
US2311016A (en) * 1934-01-19 1943-02-16 Hartford Nat Bank & Trust Co Photographic material and method of producing same
US2260486A (en) * 1937-12-18 1941-10-28 Schmeck Paul Copy printing machine
US2459362A (en) * 1945-06-02 1949-01-18 Builders Iron Foundry Photographic printing apparatus having a rotary light-transmitting cylinder and an endless belt bearing against the cylinder
US2512487A (en) * 1946-11-09 1950-06-20 Samuel G Rautbord Cylindrical photographic printing device
US2616344A (en) * 1948-11-24 1952-11-04 Warren R Patience Roller printer

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3993124A (en) * 1971-12-30 1976-11-23 Xerox Corporation Method and apparatus for fuser assembly cooling in an electrostatographic machine

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Publication number Publication date
FR1055783A (fr) 1954-02-22
CH292830A (fr) 1953-08-31

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