US3920862A - Process by which at least one stripe of one material is incorporated in a layer of another material - Google Patents

Process by which at least one stripe of one material is incorporated in a layer of another material Download PDF

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US3920862A
US3920862A US248916A US24891672A US3920862A US 3920862 A US3920862 A US 3920862A US 248916 A US248916 A US 248916A US 24891672 A US24891672 A US 24891672A US 3920862 A US3920862 A US 3920862A
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United States
Prior art keywords
stripe
support
flow
composition
accordance
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US248916A
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English (en)
Inventor
Rudolph E Damschroder
Donald J Hughes
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Eastman Kodak Co
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Eastman Kodak Co
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Publication date
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Priority to US248916A priority Critical patent/US3920862A/en
Priority to AR247245A priority patent/AR210719A1/es
Priority to CA168,220A priority patent/CA1008315A/en
Priority to IT23519/73A priority patent/IT988633B/it
Priority to FR7315290A priority patent/FR2183045B1/fr
Priority to GB2045273A priority patent/GB1437812A/en
Priority to DE19732321785 priority patent/DE2321785C3/de
Priority to CH612573A priority patent/CH563871A5/xx
Priority to BE130600A priority patent/BE798933A/xx
Priority to AU54996/73A priority patent/AU5499673A/en
Priority to JP48047682A priority patent/JPS5753584B2/ja
Publication of USB248916I5 publication Critical patent/USB248916I5/en
Application granted granted Critical
Publication of US3920862A publication Critical patent/US3920862A/en
Priority to AR263247A priority patent/AR214858A1/es
Anticipated expiration legal-status Critical
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05C—APPARATUS FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05C5/00—Apparatus in which liquid or other fluent material is projected, poured or allowed to flow on to the surface of the work
    • B05C5/007—Slide-hopper coaters, i.e. apparatus in which the liquid or other fluent material flows freely on an inclined surface before contacting the work
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05C—APPARATUS FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05C5/00—Apparatus in which liquid or other fluent material is projected, poured or allowed to flow on to the surface of the work
    • B05C5/007—Slide-hopper coaters, i.e. apparatus in which the liquid or other fluent material flows freely on an inclined surface before contacting the work
    • B05C5/008—Slide-hopper curtain coaters
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05C—APPARATUS FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05C9/00—Apparatus or plant for applying liquid or other fluent material to surfaces by means not covered by any preceding group, or in which the means of applying the liquid or other fluent material is not important
    • B05C9/06—Apparatus or plant for applying liquid or other fluent material to surfaces by means not covered by any preceding group, or in which the means of applying the liquid or other fluent material is not important for applying two different liquids or other fluent materials, or the same liquid or other fluent material twice, to the same side of the work
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/03—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor characterised by the shape of the extruded material at extrusion
    • B29C48/05—Filamentary, e.g. strands
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/03—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor characterised by the shape of the extruded material at extrusion
    • B29C48/07—Flat, e.g. panels
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/03—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor characterised by the shape of the extruded material at extrusion
    • B29C48/07—Flat, e.g. panels
    • B29C48/08—Flat, e.g. panels flexible, e.g. films
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/03—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor characterised by the shape of the extruded material at extrusion
    • B29C48/12—Articles with an irregular circumference when viewed in cross-section, e.g. window profiles
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/16—Articles comprising two or more components, e.g. co-extruded layers
    • B29C48/18—Articles comprising two or more components, e.g. co-extruded layers the components being layers
    • B29C48/21—Articles comprising two or more components, e.g. co-extruded layers the components being layers the layers being joined at their surfaces
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/25—Component parts, details or accessories; Auxiliary operations
    • B29C48/30—Extrusion nozzles or dies
    • B29C48/305—Extrusion nozzles or dies having a wide opening, e.g. for forming sheets
    • B29C48/307—Extrusion nozzles or dies having a wide opening, e.g. for forming sheets specially adapted for bringing together components, e.g. melts within the die
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/25—Component parts, details or accessories; Auxiliary operations
    • B29C48/88—Thermal treatment of the stream of extruded material, e.g. cooling
    • B29C48/911—Cooling
    • B29C48/9135—Cooling of flat articles, e.g. using specially adapted supporting means
    • B29C48/914—Cooling drums
    • 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
    • G03C1/74—Applying photosensitive compositions to the base; Drying processes therefor
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S430/00—Radiation imagery chemistry: process, composition, or product thereof
    • Y10S430/136—Coating process making radiation sensitive element

Definitions

  • ABSTRACT A process in which a support is moved in a prescribed path and has at least one layer of a material continuously coated on a surface thereof.
  • several emulsion layers are simultaneously applied to a support.
  • the laminar flow of each different layer forms with the other layers a composite flow in which the layers are in a predetermined order and superposed in contacting relation with each other.
  • a flow of a recording material, such as a hydrophilic colloid having iron oxide particles dispersed therein, is introduced as a stripe within the laminar flow.
  • the composite flow including the stripe is applied to the surface of the moving support and the stripe extends in the direction of movement of the support with theexposed surface of the outermost layer and of the stripe being generally coplanar.
  • Another method that has been suggested to provide a satisfactory photosensitive film with a sound track comprises cutting a longitudinal groove in the film and then depositing a magnetic sound recording material in the groove.
  • This method is relatively expensive due to the precision with which the groove must be out not only in relation to the thickness of the film but also in relation to the film image area.
  • Magnetic stripes have also been attached to photosensitive film using an adhesive.
  • the stripe is deposited on its own support which, in turn, is adhered to the film.
  • a stripe added in this way is easily abraded and subject to removal or loosening with respect to the support.
  • the support on which the magnetic stripe is coated becomes brittle and can have difi'erent expansion characteristics from that of the film base. Hence, there is a possibility the magnetic stripe will crack and break away from the film support.
  • the primary disadvantage is that the photosensitive film is thicker at the edge along which the stripe is located. As a result, uniform winding of the film is very difficult.
  • this disadvantage was deemed 2 to be overcome by applying a balance stripe along the opposite edge of the film.
  • photosensitive films that are relatively narrow, such as an 8mm film the use of such a balance stripe is not only impractical but impossible.
  • a support is moved in a prescribed path and has at least one layer of a material continuously coated on a surface thereof.
  • several emulsion layers are simultaneously applied to a support as disclosed in US. Pat. Nos. 2,761,791 and 3,508,947.
  • the laminar flow of each different layer forms with the other layers a composite flow in which the layers are in a predeter-. mined order and superposed in contacting relation with each other.
  • a flow of a recording material such as a hydrophilic colloid having iron oxide particles dispersed therein, is introduced as a stripe within the laminar flow.
  • the composite flow including the stripe is applied to the surface of the moving support and the stripe extends in the direction of movement of the support with the exposed surface of the outermost layer and of the stripe being generally coplanar.
  • the stripe With this arrangement of the recording stripe and the process by which the stripe is arranged within the one emulsion layer, means for recording information or sound is accomplished which is unaffected by photographic processing. Since the stripe is inserted within generally coplanar or flat surface that presents no winding problem. With the insertion of a number of such stripes within an emulsion and arranged in predetermined spaced relation transversely of the support, the coated material can be slit longitudinally so as to provide different arrangements of the recording stripe relative to the edge of the film strip. For example, the stripe can be arranged along one or both edges, or centrally of the film strip. In addition, the thickness of the stripe can be controlled to provide a thinner layer for the recording of digital information as compared to the recording of sound. I
  • the present invention is also considered to include within its scope the article of manufacture derived from the process.
  • the article per se can take many forms depending on the material to which the layers are added; for example, a glass sheet or plate, a sheet, strip or web of paper, or a sheet, strip or web of either an opaque or transparent flexible material. In the latter case, a photographic film would not only have to be flexible but also transparent.
  • FIGS. 1 and 2 are enlarged sections of a photographic element showing a number of layers on a support and the location of several recording stripes for producing film strips of different widths and with different locations of the stripes in accordance with the slitting of the coated support;
  • FIG. 3 is a schematic, perspective view showing one type of apparatus by which a plurality of layers of a material can be applied to a support together with another material for forming a stripe within the outermost layer;
  • FIG. 4 is a schematic, perspective view showing a free-falling, vert cal curtain formed by the composite flow of several layers of different compositions being applied to a support with at least one stripe of a compatible composition being applied simultaneously therewith;
  • FIG. 5 is a schematic, perspective view of still another arrangement by which a single layer of a material is applied to a support with a stripe of another and compatible material being applied simultaneously and continuously therewith.
  • the element comprises a support 11 on one surface 12 of which a plurality of layers are coated. While three layers designated l3, l4 and are disclosed, only one of such layers need be applied to the surface 12 to consummate the invention.
  • the layers 13, 14 and 15 can comprise one or more emulsion layers, sensitizing layers, light filtering layers, as well as other layers; and in the case of a color film, such layers may reach a total of eight or more.
  • one or more stripes 16 of a material or composition compatible with that of the other layers is applied, as described hereinafter, continuously and simultaneously with the other layers.
  • the stripe 16 comprises a hydrophilic colloid having iron oxide particles in suspension for use as a magnetic sound recording track.
  • the stripe 16 has a width w and the exposed or actual surfaces 17 and 18 of the layer 15 and stripe 16, respectively, are generally coplanar so as to provide a surface that is continuous and generally even or flat.
  • the stripes 16 can be spaced transversely of the support 11 by a distance d so that upon slitting of the finally coated support along lines 19, an 8mm or 16mm film strip can be obtained with a stripe arranged along one edge thereof. The distance or dimension d will determine the width of the film strip.
  • a stripe 16 is shown that is twice as wide as the stripe 16 in FIG. 1.
  • the finally coated support can be slit along lines 20 to produce a film strip of width d which can also be either an 8mm or 16mm film strip in accordance with the overall spacing between stripes 16.
  • a film strip of width d which can also be either an 8mm or 16mm film strip in accordance with the overall spacing between stripes 16.
  • an alternate width of the film strip can be 35mm, or any other dimension, depending on the predetermined transverse spacing of the stripes 16.
  • the stripes 16 have been considered as being spaced far enough apart so the 'layer 15 is divided by the stripes into widths sufficient to be slit into strips of film.
  • the stripes 16 can be spaced such that the layer 15 is as wide as the stripe, or even narrower than the stripe.
  • the outermost layer would comprise, in effect, a plurality of stripes, every other stripe being of the same composition.
  • a repetitive series of stripes that is a number of stripes each of a different composition and in a particular order and repeated across the support; eg ABC, ABC, ABC, etc., A, B and C being different compositions and of the same or different widths.
  • the stripes A, B and C can be coated directly on a support or simultaneously and contiguously with a layer of a composition that is applied to the support.
  • the terms stripe and layer can, therefore, be considered as being synonomous.
  • the term within a layer is meant to include side by side when the stripe and divided layer are applied directly to a support or when the stripe and a divided layer are applied simultaneously with one or more other layers to a support.
  • the support 11, as well as the layers and stripes applied to the support can be of different materials other than a photosensitive film. Consequently, the invention is applicable to the production of a single or multiple striped element for use in fields other than that of photography, e.g. elements usable in the field of graphic and digital data storage, of data processing, of medicine, etc.
  • a three-slide hopper designated by the numeral 30 is disclosed.
  • This type of hopper is more fully disclosed and described in US. Pat. No. 2,761,791 to T. A. Russell and relates to a method for coating multiple layers on a support.
  • the first coating composition is continuously moved by a pump 31 into a cavity 32 from which it is extruded through a narrow, vertical slot 33 onto a downwardly inclined slide surface 34.
  • othercoating compositions are continuously pumped into cavities 35 and 36 by pumps 37 and 38, respectively. These latter compositions are extruded through slots 39 and 40 onto respective slide surfaces 41 and 42.
  • Each composition forms a laminar flow which extends lengthwise relative to a drum 43 and flows by gravity toward the drum.
  • the slide surfaces 34, 41 and 42 are coplanar so that as each laminar flow of each composition moves along its respective slide surface, it ultimately flows over the succeeding laminar flow together with one or more preceding laminar flows.
  • the laminar flows are contiguous to one another and, when the last flow is joined, a composite flow is applied to the surface of a support 44 at a line 45 relative to drum 43. This composite flow is picked up by the support 44 and carried along with the rotation of the drum 43.
  • the layers are maintained in their distinct relationship in superposed, contiguous relation throughout their travel and on being picked up by the support 44 at line 45.
  • the composition to be introduced as a stripe 50 within the outermost layer of the composite flow is contained within a receptacle 51 that is mounted relative to hopper 30 so as to provide a continuous flow via a tube 52 at one or more predetermined locations along the outermost layer in a direction extending parallel to line 45.
  • the introduction of this flow as a stripe separates the laminar flow of the outermost layer and moves therewith throughout its flow from the point of formation to the point of application and carry away by the support 44 at a line 45. There is relatively little, if any, intennixture of the stripe composition with that of the outer layer. While only a single, narrow stripe is shown as being applied to the outer layer in FIG.
  • FIG. 4 a system is disclosed which is similar to that disclosed in US. Pat. No. 3,508,947 to DJ. Hughes and relates to a method for simultaneously applying to a support a plurality of coating layers which are first formed into a stable, multi-layer, free-falling, vertical curtain.
  • two coating compositions are disclosed as being applied to a moving web 60.
  • the coating compositions are moved into cavities 61 and 62 by pumps 63 and64, respectively.
  • the compositions flow through respective narrow, vertical slots 65 and 66, and, thence, onto downwardly inclined slide surfaces 67 and 68.
  • the outermost layer flows onto the top of the lower layer to form a composite flow which moves by gravity along the slide surface 68 without intermixing.
  • the composite flow leaves the lip 69 as a free-falling, vertical curtain 70.
  • Impingement of curtain 70 on the'moving web or support 60 takes place without intermixing of the layers and deposits on the support a coating comprising distinct, contiguously superposed layers.
  • the material or composition for forming one or more stripes 71 in the outermost layer of the composite flow is moved into a receptacle 73 by a pump 74 and applied to the layer via a tube 75 in a close proximity to the slot 66.
  • Such flow of the stripe composition or material divides the outermost layer without intermixing and forms at least one requisite stripe. Again, the number,
  • width, spacing, etc., of the stripes can be varied in ac-' cordance with the element size and use and the .width of the support on which the compositions are being applied or coated.
  • FIG. '5 a device is shown for applying a single layer of a composition to a support 80 carried by a drum 8
  • a device for applying a single layer of a composition to a support 80 carried by a drum 8
  • Such device is a modification of one of the embodiments disclosed in the above-mentioned Russell patent.
  • the material or composition to be coated on the support is introduced into a chamber 82 via a number of inlets 83 which are spaced lengthwise of the chamber 82 so as to form a laminar flow which is extruded from chamber 82 via a slot 84 extending generally parallel to the axis of drum 81 and onto the surface of the support 80 at a line indicated by 85.
  • EXAMPLE 1 Three clear gelatin layers were simultaneously coated on a cellulose acetate support using a multiple slide hopper such as that as disclosed in FIG. 3.
  • the gelatin layers comprised a first layer of 4% aqueous gelatin solution at 6 g/ft a second layer of 6% aqueous gelatin solution at 2 glft and a third 8% aqueous gelatin solution containing 0.2 g/l Triton X-ZOOsurfactant at l g/ft
  • the gelatin layers were coated at 40C and at 40 ft/min from the slide hopper.
  • An iron oxide stripe comprising as 6% aqueous gelatin solution containing 25 g/l of an iron oxide (magnetite, Fe O dispersion and 8.8 g/liter of a water soluble blue dye was expelled from a syringe with an aimed coverage at l g/ft
  • the iron oxide stripe was applied by means of the syringe to the top of the slide surface 42 at the point where the composition emerges from the slot 40 and flows onto the surface 42.
  • the resulting coating was of clear gel of approximately Sum thickness.
  • the dye appeared in a photomicrograph of the striped area to be equally dis tributed in the coating from the support to the surface.
  • the stripe was about 1mm wide with some further diffusion of the water soluble dyes.
  • the stripe was capable of recording a Hertz saturated signal at a 20-30 decibel signal/- noise ratio, a level adequate for recording digital information.
  • the extent to which the stripe penetrates the other layers is dependent on the degree of control that can be accomplished by surfactant balance.
  • Triton X-200 is a registered trademark of Rohm and Haas for sodium p-tert-octylphenoxyethoxy-ethylsulfonate.
  • the water soluble dye is Bis [3-methyll p-sulfophenyl-Lpyrazolin--one(4) ]pentamethineoxonol.
  • EXAMPLE 3 A single layer of a photographic emulsion with a single continuous iron oxide stripe was coated on a polyester support from an extrusion hopper of the type shown in FIG. 5.
  • the emulsion, a high speed, panchromatically sensitized silver bromoiodide in a 6.5% gelatin solution containing saponin, 560 mg/ft silver and 1025 mg/ft gelatin was pumped into a hopper through a pair of spaced inlets 83.
  • the iron oxide composition described in Example I was dispersed in a 5% gelatin solution containing saponin and was introduced into the hopper through inlet 87 which was arranged between the inlets 83.
  • the stripe was capable of recording sound of a frequency of 1000 Hz at a signal/noise ratio of 65 dB. This compares to a signal/noise ratio of 62 dB for commercially available 16mm sound recording film.
  • EXAMPLE 4 A stripe of high speed, panchromatically sensitized, silver halide emulsion was coated within a layer of the same but not spectrally sensitized emulsion from an extrusion hopper of the type shown in FIG. 5 Both emulsion samples contained 6.5% gelatin and saponin and were coated to provide substantially the same coverage as in Example 3.
  • the dried coating was exposed to a tungsten light source in a sensitometer through a portion of a continuous step wedge with exposure channels perpendicular to the stripe.
  • the five exposure channels had (1) no filter, (2) a blue filter combination, (3) a green filter, (4) a red filter, and (5) a yellow (minus blue) filter.
  • the film was developed, fixed, washed and dried in a conventional manner. In the clear and blue channels, where both emulsions were sensitive, there was essentially no discontinuity in the exposed channels in the vicinity of the stripe, except for an expected slight density difference within the striped area due to spectral sensitization.
  • EXAMPLE 5 A single gelatin layer with a stripe coating a scintillator was coated on a polyester support from an extrusion hopper of the type shown in FIG. 5.
  • the stripe about 8mm in width, showed a bright fluorescence when illuminated by an ultraviolet source.
  • the stripe was coated within a yellow dyed gelatin layer containing 40 gl] (4%) gelatin and 6.8 g/l bis[3-methyl-l-p-sulfophenyl- 2-pyrazolin-5-one(4)]methineoxonol.
  • the stripe contained 29.4 g/l gelatin in which was dispersed 59 g/l copolymer of butyl acrylate and styrene, 5.3 g/l. of 2,5- diphenyloxazole (PPO) and 0.3 g/l of 2,2-phenylenebis (S-phenyloxazole) (POPOP).
  • PPO 2,5- diphenyloxazole
  • the total iron oxide in the stripe was 161 mg/dm (1500 mg/ft At 18.3 cm/sec (7.2 in/sec), the stripe was capable of recording a frequency of -1000 Hz at a signal/noise ratio of 61 dB. This compares to 63 dB for commercially available, prestriped 16mm movie film.
  • photographic normally refers to a radiation sensitive material but not all of the layers necessarily applied to a support in the formation of a photographic element are, in themselves, radiation sensitive. For example, subbing layers, filter layers, antihalation layers, etc. are often applied in combination with emulsion layers but are not radiation sensitive.
  • the present invention relates to the application of such layers as well as other types of layers and the term composition as used herein is intended to include compatible compositions from which layers such as those described herein can be formed.
  • the invention includes within its scope all radiation sensitive materials including electrophotographic materials and materials sensitive to invisible radiation, as well as those sensitive to visible radiation.
  • liquid vehicles can be coated in the manufacture of an element other than a photographic element, for example, to provide a digital tape or a video tape; diagnostic test strips, etc.
  • various types of supports can be used other than those used strictly as a photographic film base; for example, cellulose nitrate, cellulose acetate, polyester, paper, glass, cloth, and the like.
  • the support can be in the form of a continuous web, a strip, a plate, or a discrete sheet, but in commercial practice it will most frequently take the form of a continuous web that can be slit into strips.
  • a series of stripes of different composition can be coated in spaced or contiguous as well as repetitive relation across a support or a layer on a support.
  • a process for applying to-at least one surface of a support at least one stripe of a first composition within a flow comprising at least one second and compatible composition which comprises the steps of:
  • a process in accordance with claim 1 wherein said applying step comprises continuously extruding said composite flow onto the one surface of said support.
  • a process in accordance with claim 1 wherein said applying step comprises continuously applying said composite flow as a free-falling curtain to said surface.
  • said first composition comprises a hydrophilic colloid having a substance in suspension and said second composition comprises a hydrophilic colloid.
  • hydrophilic colloid comprises an aqueous gelatin solution and the substance in suspension comprises iron oxide particles.
  • said first composition comprises cellulose nitrate and particles of iron oxide and said second composition comprises clear cellulose nitrate.
  • said first composition comprises a neocuproine solution and said second material comprises a silver chromate solution.
  • a process for applying to at least one surface of a generally transparent, flexible support at least one stripe of a first composition within at least the outermost layer of a number of layers of different compositions superposed in contacting relation which comprises the steps of moving the support in a prescribed path;

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Manufacturing & Machinery (AREA)
  • General Physics & Mathematics (AREA)
  • Materials Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Thermal Sciences (AREA)
  • Application Of Or Painting With Fluid Materials (AREA)
  • Coating Apparatus (AREA)
  • Optical Record Carriers And Manufacture Thereof (AREA)
  • Manufacturing Of Magnetic Record Carriers (AREA)
  • Laminated Bodies (AREA)
US248916A 1972-05-01 1972-05-01 Process by which at least one stripe of one material is incorporated in a layer of another material Expired - Lifetime US3920862A (en)

Priority Applications (12)

Application Number Priority Date Filing Date Title
US248916A US3920862A (en) 1972-05-01 1972-05-01 Process by which at least one stripe of one material is incorporated in a layer of another material
AR247245A AR210719A1 (es) 1972-05-01 1973-03-26 Procedimiento para preparar un elemento fotografico y el elemento asi preparado
CA168,220A CA1008315A (en) 1972-05-01 1973-04-09 Stripe coating article and process
FR7315290A FR2183045B1 (enrdf_load_stackoverflow) 1972-05-01 1973-04-27
IT23519/73A IT988633B (it) 1972-05-01 1973-04-27 Manufatto composito in particolare elemento fotografico con traccia di registrazione e processo mediante cui risulta incorporata almeno una striscia di un materiale in uno strato di un altro materiale
DE19732321785 DE2321785C3 (de) 1972-05-01 1973-04-30 Verfahren zur Herstellung eines Aufzeichnungsmaterials
GB2045273A GB1437812A (en) 1972-05-01 1973-04-30 Coating
CH612573A CH563871A5 (enrdf_load_stackoverflow) 1972-05-01 1973-04-30
BE130600A BE798933A (fr) 1972-05-01 1973-04-30 Procede pour l'incorporation d'au moins une bande d'une composition au sein d'une couche d'une autre composition et produit ainsi obtenu
AU54996/73A AU5499673A (en) 1972-05-01 1973-04-30 Coating process and product
JP48047682A JPS5753584B2 (enrdf_load_stackoverflow) 1972-05-01 1973-05-01
AR263247A AR214858A1 (es) 1972-05-01 1976-05-11 Procedimiento para preparar un elemento fotografico y el articulo asi preparado

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US248916A US3920862A (en) 1972-05-01 1972-05-01 Process by which at least one stripe of one material is incorporated in a layer of another material

Publications (2)

Publication Number Publication Date
USB248916I5 USB248916I5 (enrdf_load_stackoverflow) 1975-01-28
US3920862A true US3920862A (en) 1975-11-18

Family

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US248916A Expired - Lifetime US3920862A (en) 1972-05-01 1972-05-01 Process by which at least one stripe of one material is incorporated in a layer of another material

Country Status (10)

Country Link
US (1) US3920862A (enrdf_load_stackoverflow)
JP (1) JPS5753584B2 (enrdf_load_stackoverflow)
AR (2) AR210719A1 (enrdf_load_stackoverflow)
AU (1) AU5499673A (enrdf_load_stackoverflow)
BE (1) BE798933A (enrdf_load_stackoverflow)
CA (1) CA1008315A (enrdf_load_stackoverflow)
CH (1) CH563871A5 (enrdf_load_stackoverflow)
FR (1) FR2183045B1 (enrdf_load_stackoverflow)
GB (1) GB1437812A (enrdf_load_stackoverflow)
IT (1) IT988633B (enrdf_load_stackoverflow)

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US3973062A (en) * 1973-10-12 1976-08-03 Ciba-Geigy Ag Coating device
US4038442A (en) * 1975-09-16 1977-07-26 Fuji Photo Film Co., Ltd. Method for coating
US4041897A (en) * 1975-05-14 1977-08-16 Ciba-Geigy Ag Cascade coater
US4109611A (en) * 1976-03-30 1978-08-29 Ciba-Geigy Ag Coating device
US4113903A (en) * 1977-05-27 1978-09-12 Polaroid Corporation Method of multilayer coating
US4143190A (en) * 1977-01-27 1979-03-06 Polaroid Corporation Method and apparatus for coating webs
US4313980A (en) * 1979-04-19 1982-02-02 Agfa-Gevaert N.V. Method and device for slide hopper multilayer coating
US4348432A (en) * 1976-04-08 1982-09-07 Minnesota Mining And Manufacturing Company Method for coating with radially-propagating, free, liquid sheets
EP0104089A1 (en) * 1982-09-21 1984-03-28 Xerox Corporation Simultaneous formation and deposition of multiple ribbon-like streams
US4874633A (en) * 1985-10-18 1989-10-17 Fuji Photo Film Co., Ltd. Method of producing magnetic recording medium
US4965679A (en) * 1989-02-27 1990-10-23 Eastman Kodak Company Method for electronically duplicating film images while maintaining a high degree of image quality
US5143758A (en) * 1991-03-28 1992-09-01 Eastman Kodak Company Coating by means of a coating hopper with coating slots where the coating composition has a low slot reynolds number
US5250404A (en) * 1990-09-14 1993-10-05 Fuji Photo Film Co., Ltd. Silver halide photographic material having magnetic recording element
US5310637A (en) * 1992-04-14 1994-05-10 Eastman Kodak Company Minimization of ripple by controlling gelatin concentration
US5340613A (en) * 1993-03-12 1994-08-23 Minnesota Mining And Manufacturing Company Process for simultaneously coating multiple layers of thermoreversible organogels and coated articles produced thereby
US5389989A (en) * 1993-10-29 1995-02-14 Eastman Kodak Company Camera for recording digital and pictorial images on photographic film
US5415993A (en) * 1993-04-26 1995-05-16 Minnesota Mining And Manufacturing Company Thermoreversible organogels for photothermographic elements
WO1996024088A1 (en) * 1995-02-02 1996-08-08 Minnesota Mining And Manufacturing Company Method and apparatus for applying thin fluid coating stripes
US5556667A (en) * 1993-12-08 1996-09-17 Nippon Sheet Glass Co., Ltd. Method of forming water-repellent film on transparent panel
US5614260A (en) * 1995-01-06 1997-03-25 Xerox Corporation Extrusion system with slide dies
US5683750A (en) * 1996-07-30 1997-11-04 Eastman Kodak Company High speed coating starts for multiple layer coatings using a temporary top coat
US6013327A (en) * 1996-10-30 2000-01-11 Fuji Photo Film Co., Ltd. Slide bead coating method and apparatus
US6127066A (en) * 1992-11-27 2000-10-03 Dai Nippon Printing Co., Ltd. Hologram recording sheet, holographic optical element using said sheet, and its production process
US20020090457A1 (en) * 2001-01-10 2002-07-11 3M Innovative Properties Company Coating device and method using pick-and-place devices having equal or substantially equal periods
US20020192360A1 (en) * 2001-04-24 2002-12-19 3M Innovative Properties Company Electrostatic spray coating apparatus and method
US20030003238A1 (en) * 2001-01-10 2003-01-02 Leonard William K. Sheet coater
US6579574B2 (en) 2001-04-24 2003-06-17 3M Innovative Properties Company Variable electrostatic spray coating apparatus and method
US6676995B2 (en) * 2001-11-28 2004-01-13 Lifescan, Inc. Solution striping system

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* Cited by examiner, † Cited by third party
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JPS5130734A (ja) * 1974-09-07 1976-03-16 Azuma Shiiru Kako Kk Jiseijotsukieishafuirumu no seizohoho
GB1559701A (en) * 1976-05-26 1980-01-23 Ciba Geigy Ag Curtain coating
JPH067265B2 (ja) * 1983-10-28 1994-01-26 コニカ株式会社 電子写真記録体基材等の塗布装置
JPH0614188B2 (ja) * 1983-10-28 1994-02-23 コニカ株式会社 電子写真記録体基材等の塗布方法および装置
JPS6093441A (ja) * 1983-10-28 1985-05-25 Konishiroku Photo Ind Co Ltd 電子写真記録体基材等の塗布方法および装置
JPS60146237A (ja) * 1984-01-10 1985-08-01 Konishiroku Photo Ind Co Ltd 電子写真記録体基材等の塗布方法および装置
JPS62175585U (enrdf_load_stackoverflow) * 1986-04-24 1987-11-07
JPS62198680U (enrdf_load_stackoverflow) * 1986-06-06 1987-12-17

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US2761791A (en) * 1955-02-23 1956-09-04 Eastman Kodak Co Method of multiple coating
US2932855A (en) * 1956-09-11 1960-04-19 Eastman Kodak Co Method for forming film or sheeting
US3050758A (en) * 1960-09-06 1962-08-28 Lowell A Wilkins Machine for striping film
US3243376A (en) * 1963-02-11 1966-03-29 Eastman Kodak Co Magnetic striping composition for sound recording motion picture film
US3264385A (en) * 1963-01-14 1966-08-02 American Scient Corp Method of casting a printed pattern on a plastic sheet
US3508947A (en) * 1968-06-03 1970-04-28 Eastman Kodak Co Method for simultaneously applying a plurality of coated layers by forming a stable multilayer free-falling vertical curtain
US3647541A (en) * 1970-05-28 1972-03-07 Eastman Kodak Co Process for applying a magnetic track directly on an antihalation backing of a cinematographic film
US3681138A (en) * 1969-02-13 1972-08-01 Agfa Gevaert Ag Process for preparing magnetic tapes
US3704167A (en) * 1970-06-11 1972-11-28 Fuji Photo Film Co Ltd Process for manufacturing photographic film having a magnetic recording stripe
US3729317A (en) * 1972-04-20 1973-04-24 Eastman Kodak Co Photographic film with magnetic recording layer

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US2761791A (en) * 1955-02-23 1956-09-04 Eastman Kodak Co Method of multiple coating
US2932855A (en) * 1956-09-11 1960-04-19 Eastman Kodak Co Method for forming film or sheeting
US3050758A (en) * 1960-09-06 1962-08-28 Lowell A Wilkins Machine for striping film
US3264385A (en) * 1963-01-14 1966-08-02 American Scient Corp Method of casting a printed pattern on a plastic sheet
US3243376A (en) * 1963-02-11 1966-03-29 Eastman Kodak Co Magnetic striping composition for sound recording motion picture film
US3508947A (en) * 1968-06-03 1970-04-28 Eastman Kodak Co Method for simultaneously applying a plurality of coated layers by forming a stable multilayer free-falling vertical curtain
US3681138A (en) * 1969-02-13 1972-08-01 Agfa Gevaert Ag Process for preparing magnetic tapes
US3647541A (en) * 1970-05-28 1972-03-07 Eastman Kodak Co Process for applying a magnetic track directly on an antihalation backing of a cinematographic film
US3704167A (en) * 1970-06-11 1972-11-28 Fuji Photo Film Co Ltd Process for manufacturing photographic film having a magnetic recording stripe
US3729317A (en) * 1972-04-20 1973-04-24 Eastman Kodak Co Photographic film with magnetic recording layer

Cited By (53)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3973062A (en) * 1973-10-12 1976-08-03 Ciba-Geigy Ag Coating device
US4041897A (en) * 1975-05-14 1977-08-16 Ciba-Geigy Ag Cascade coater
US4038442A (en) * 1975-09-16 1977-07-26 Fuji Photo Film Co., Ltd. Method for coating
US4109611A (en) * 1976-03-30 1978-08-29 Ciba-Geigy Ag Coating device
US4348432A (en) * 1976-04-08 1982-09-07 Minnesota Mining And Manufacturing Company Method for coating with radially-propagating, free, liquid sheets
US4143190A (en) * 1977-01-27 1979-03-06 Polaroid Corporation Method and apparatus for coating webs
US4113903A (en) * 1977-05-27 1978-09-12 Polaroid Corporation Method of multilayer coating
US4313980A (en) * 1979-04-19 1982-02-02 Agfa-Gevaert N.V. Method and device for slide hopper multilayer coating
EP0104089A1 (en) * 1982-09-21 1984-03-28 Xerox Corporation Simultaneous formation and deposition of multiple ribbon-like streams
US4521457A (en) * 1982-09-21 1985-06-04 Xerox Corporation Simultaneous formation and deposition of multiple ribbon-like streams
US4874633A (en) * 1985-10-18 1989-10-17 Fuji Photo Film Co., Ltd. Method of producing magnetic recording medium
US4965679A (en) * 1989-02-27 1990-10-23 Eastman Kodak Company Method for electronically duplicating film images while maintaining a high degree of image quality
US5250404A (en) * 1990-09-14 1993-10-05 Fuji Photo Film Co., Ltd. Silver halide photographic material having magnetic recording element
US5143758A (en) * 1991-03-28 1992-09-01 Eastman Kodak Company Coating by means of a coating hopper with coating slots where the coating composition has a low slot reynolds number
US5310637A (en) * 1992-04-14 1994-05-10 Eastman Kodak Company Minimization of ripple by controlling gelatin concentration
US6340540B1 (en) 1992-11-27 2002-01-22 Dai Nippon Printing Co., Ltd. Hologram recording sheet holographic optical element using said sheet and its production process
US7132200B1 (en) * 1992-11-27 2006-11-07 Dai Nippon Printing Co., Ltd. Hologram recording sheet, holographic optical element using said sheet, and its production process
US7727680B2 (en) 1992-11-27 2010-06-01 Dai Nippon Printing Co., Ltd. Hologram recording sheet, holographic optical element using said sheet, and its production process
US7618750B2 (en) 1992-11-27 2009-11-17 Dai Nippon Printing Co., Ltd. Hologram recording sheet, holographic optical element using said sheet, and its production process
US7579119B2 (en) 1992-11-27 2009-08-25 Dai Nippon Printing Co., Ltd. Hologram recording sheet, holographic optical element using said sheet, and its production process
US7479354B2 (en) 1992-11-27 2009-01-20 Dai Nippon Printing Co., Ltd. Hologram recording sheet, holographic optical element using said sheet, and its production process
US20070115521A1 (en) * 1992-11-27 2007-05-24 Dai Nippon Printing Co., Ltd. Hologram recording sheet, holographic optical element using said sheet, and its production process
US20070115522A1 (en) * 1992-11-27 2007-05-24 Dai Nippon Printing Co., Ltd. Hologram recording sheet, holographic optical element using said sheet, and its production process
US20060292453A1 (en) * 1992-11-27 2006-12-28 Dai Nippon Printing Co., Ltd. Hologram recording sheet, holographic optical element using said sheet, and its production process
US20060222960A1 (en) * 1992-11-27 2006-10-05 Dai Nippon Printing Co., Ltd. Hologram recording sheet, holographic optical element using said sheet, and its production process
US6127066A (en) * 1992-11-27 2000-10-03 Dai Nippon Printing Co., Ltd. Hologram recording sheet, holographic optical element using said sheet, and its production process
US5340613A (en) * 1993-03-12 1994-08-23 Minnesota Mining And Manufacturing Company Process for simultaneously coating multiple layers of thermoreversible organogels and coated articles produced thereby
US5378542A (en) * 1993-03-12 1995-01-03 Minnesota Mining And Manufacturing Company Process for simultaneously coating multiple layers of thermoreversible organogels and coated articles produced thereby
US5415993A (en) * 1993-04-26 1995-05-16 Minnesota Mining And Manufacturing Company Thermoreversible organogels for photothermographic elements
US5389989A (en) * 1993-10-29 1995-02-14 Eastman Kodak Company Camera for recording digital and pictorial images on photographic film
US5556667A (en) * 1993-12-08 1996-09-17 Nippon Sheet Glass Co., Ltd. Method of forming water-repellent film on transparent panel
US5614260A (en) * 1995-01-06 1997-03-25 Xerox Corporation Extrusion system with slide dies
WO1996024088A1 (en) * 1995-02-02 1996-08-08 Minnesota Mining And Manufacturing Company Method and apparatus for applying thin fluid coating stripes
US5733608A (en) * 1995-02-02 1998-03-31 Minnesota Mining And Manufacturing Company Method and apparatus for applying thin fluid coating stripes
US5683750A (en) * 1996-07-30 1997-11-04 Eastman Kodak Company High speed coating starts for multiple layer coatings using a temporary top coat
US6013327A (en) * 1996-10-30 2000-01-11 Fuji Photo Film Co., Ltd. Slide bead coating method and apparatus
US6855374B2 (en) 2001-01-10 2005-02-15 3M Innovative Properties Company Method for improving the uniformity of a wet coating on a substrate using at least two wire-wound rods
US7279042B2 (en) 2001-01-10 2007-10-09 3M Innovative Properties Co Wet coating improvement station
US20020090457A1 (en) * 2001-01-10 2002-07-11 3M Innovative Properties Company Coating device and method using pick-and-place devices having equal or substantially equal periods
US6878408B2 (en) 2001-01-10 2005-04-12 3M Innovative Properties Company Coating device and method using pick-and-place devices having equal or substantially equal periods
US6899922B2 (en) 2001-01-10 2005-05-31 3M Innovative Properties Company Method for coating a limited length substrate using rotating support and at least one pick-and-place roll
US20020094384A1 (en) * 2001-01-10 2002-07-18 Leonard William K. Coating device and method using wire-wound rods
US6737113B2 (en) 2001-01-10 2004-05-18 3M Innovative Properties Company Method for improving the uniformity of a wet coating on a substrate using pick-and-place devices
WO2002055217A1 (en) 2001-01-10 2002-07-18 3M Innovative Properties Company Coating device and method
US7311780B2 (en) 2001-01-10 2007-12-25 3M Innovative Properties Company Coating device and method using pick-and-place devices having equal or substantially equal periods
US20040187773A1 (en) * 2001-01-10 2004-09-30 3M Innovative Properties Company Method for improving the uniformity of a wet coating on a substrate using pick-and-place devices
US20030003238A1 (en) * 2001-01-10 2003-01-02 Leonard William K. Sheet coater
US6579574B2 (en) 2001-04-24 2003-06-17 3M Innovative Properties Company Variable electrostatic spray coating apparatus and method
US20020192360A1 (en) * 2001-04-24 2002-12-19 3M Innovative Properties Company Electrostatic spray coating apparatus and method
US6969540B2 (en) 2001-04-24 2005-11-29 3M Innovative Properties Company Electrostatic spray coating apparatus and method
US20040185180A1 (en) * 2001-04-24 2004-09-23 3M Innovative Properties Company Electrostatic spray coating apparatus and method
US6676995B2 (en) * 2001-11-28 2004-01-13 Lifescan, Inc. Solution striping system
US6689411B2 (en) 2001-11-28 2004-02-10 Lifescan, Inc. Solution striping system

Also Published As

Publication number Publication date
FR2183045A1 (enrdf_load_stackoverflow) 1973-12-14
DE2321785A1 (de) 1973-11-15
DE2321785B2 (de) 1975-12-18
AR214858A1 (es) 1979-08-15
JPS4942343A (enrdf_load_stackoverflow) 1974-04-20
CA1008315A (en) 1977-04-12
AR210719A1 (es) 1977-09-15
GB1437812A (en) 1976-06-03
USB248916I5 (enrdf_load_stackoverflow) 1975-01-28
BE798933A (fr) 1973-10-30
FR2183045B1 (enrdf_load_stackoverflow) 1976-04-09
AU5499673A (en) 1974-10-31
IT988633B (it) 1975-04-30
JPS5753584B2 (enrdf_load_stackoverflow) 1982-11-13
CH563871A5 (enrdf_load_stackoverflow) 1975-07-15

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