GB1029017A - Multiple coating apparatus - Google Patents

Multiple coating apparatus

Info

Publication number
GB1029017A
GB1029017A GB1452264A GB1452264A GB1029017A GB 1029017 A GB1029017 A GB 1029017A GB 1452264 A GB1452264 A GB 1452264A GB 1452264 A GB1452264 A GB 1452264A GB 1029017 A GB1029017 A GB 1029017A
Authority
GB
United Kingdom
Prior art keywords
coating
applicator
liquid
web
channels
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
GB1452264A
Inventor
Ewen Cameron
Ian James Gordon Aitken
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.)
Ilford Imaging UK Ltd
Original Assignee
Ilford Ltd
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 Ilford Ltd filed Critical Ilford Ltd
Priority to GB1452264A priority Critical patent/GB1029017A/en
Publication of GB1029017A publication Critical patent/GB1029017A/en
Expired legal-status Critical Current

Links

Classifications

    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
    • D21H23/00—Processes or apparatus for adding material to the pulp or to the paper
    • D21H23/02—Processes or apparatus for adding material to the pulp or to the paper characterised by the manner in which substances are added
    • D21H23/22—Addition to the formed paper
    • D21H23/32—Addition to the formed paper by contacting paper with an excess of material, e.g. from a reservoir or in a manner necessitating removal of applied excess material from the paper
    • D21H23/40—Addition to the formed paper by contacting paper with an excess of material, e.g. from a reservoir or in a manner necessitating removal of applied excess material from the paper only one side of the paper being in contact with the material
    • 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
    • B05C5/02—Apparatus in which liquid or other fluent material is projected, poured or allowed to flow on to the surface of the work the liquid or other fluent material being discharged through an outlet orifice by pressure, e.g. from an outlet device in contact or almost in contact, with the work
    • B05C5/0254—Coating heads with slot-shaped outlet
    • 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
    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
    • D21H5/00—Special paper or cardboard not otherwise provided for
    • D21H5/0005—Processes or apparatus specially adapted for applying liquids or other fluent materials to finished paper or board, e.g. impregnating, coating
    • D21H5/0012—Processes or apparatus specially adapted for applying liquids or other fluent materials to finished paper or board, e.g. impregnating, coating by bringing paper into contact with an excess of fluids, the paper carrying away only a part of the fluid material, e.g. by passing through liquids, gases or vapours
    • D21H5/0015—Processes or apparatus specially adapted for applying liquids or other fluent materials to finished paper or board, e.g. impregnating, coating by bringing paper into contact with an excess of fluids, the paper carrying away only a part of the fluid material, e.g. by passing through liquids, gases or vapours only one side of the paper being in contact with the treating medium, e.g. paper carried by support
    • 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

Abstract

1,029,017. Web coating apparatus. ILFORD Ltd. April 6, 1965 [April 8, 1964], No. 14522/64. Addition to 957,743. Heading D1L. In applying thin layers of coating liquids to a travelling web the latter is caused to travel in a path which at the position where the coating is applied has a vertical component of motion and coating liquids are supplied to an applicator 1 located at the coating position, the applicator comprising top and bottom jaws 2 and 3 sloped so as to establish in operation a body 9 of coating liquid between the applicator and the web 12, the upper and lower edges of the applicator being spaced apart and constructed so that the body of liquid has a vertical depth between 12 mm and 40 mm whereby the pressure in the liquid just below the upper jaw is less than the pressure just above it and, enclosed between the jaws of the applicator, two or more ducts 5, 7 for coating liquid, and which extend substantially across the width of the web. The ducts may be formed by channels 6 and 8 between a member 4 and the jaws 3 and 2 respectively and different liquids can be pumped along said channels. By replacing the member 4 by two or more such members three or more channels for feeding liquid may be formed.
GB1452264A 1964-04-08 1964-04-08 Multiple coating apparatus Expired GB1029017A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB1452264A GB1029017A (en) 1964-04-08 1964-04-08 Multiple coating apparatus

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB1452264A GB1029017A (en) 1964-04-08 1964-04-08 Multiple coating apparatus

Publications (1)

Publication Number Publication Date
GB1029017A true GB1029017A (en) 1966-05-11

Family

ID=10042723

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1452264A Expired GB1029017A (en) 1964-04-08 1964-04-08 Multiple coating apparatus

Country Status (1)

Country Link
GB (1) GB1029017A (en)

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4154879A (en) * 1977-01-27 1979-05-15 Polaroid Corporation Method and apparatus for coating webs with a plurality of liquid layers
US4411218A (en) * 1981-01-21 1983-10-25 Alcan Aluminum Corporation Apparatus for producing straited surface coatings
GB2120132A (en) * 1982-05-19 1983-11-30 Konishiroku Photo Ind Extrusion coating apparatus
US4445458A (en) * 1982-07-21 1984-05-01 E. I. Du Pont De Nemours And Company Beveled edge metered bead extrusion coating apparatus
US5698033A (en) * 1994-06-09 1997-12-16 Basf Magnetics Gmbh Apparatus for the production of a magnetic recording medium
US5728430A (en) * 1995-06-07 1998-03-17 Avery Dennison Corporation Method for multilayer coating using pressure gradient regulation
US5858097A (en) * 1995-02-15 1999-01-12 Emtec Magnetics Gmbh Apparatus for the production of a magnetic recording medium
US5962075A (en) * 1995-06-07 1999-10-05 Avery Dennison Method of multilayer die coating using viscosity adjustment techniques
US6824828B2 (en) 1995-06-07 2004-11-30 Avery Dennison Corporation Method for forming multilayer release liners

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4154879A (en) * 1977-01-27 1979-05-15 Polaroid Corporation Method and apparatus for coating webs with a plurality of liquid layers
US4411218A (en) * 1981-01-21 1983-10-25 Alcan Aluminum Corporation Apparatus for producing straited surface coatings
GB2120132A (en) * 1982-05-19 1983-11-30 Konishiroku Photo Ind Extrusion coating apparatus
US4445458A (en) * 1982-07-21 1984-05-01 E. I. Du Pont De Nemours And Company Beveled edge metered bead extrusion coating apparatus
US5698033A (en) * 1994-06-09 1997-12-16 Basf Magnetics Gmbh Apparatus for the production of a magnetic recording medium
US5858097A (en) * 1995-02-15 1999-01-12 Emtec Magnetics Gmbh Apparatus for the production of a magnetic recording medium
US5728430A (en) * 1995-06-07 1998-03-17 Avery Dennison Corporation Method for multilayer coating using pressure gradient regulation
US5962075A (en) * 1995-06-07 1999-10-05 Avery Dennison Method of multilayer die coating using viscosity adjustment techniques
US6824828B2 (en) 1995-06-07 2004-11-30 Avery Dennison Corporation Method for forming multilayer release liners

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