GB1518552A - Edge for curtain coating - Google Patents

Edge for curtain coating

Info

Publication number
GB1518552A
GB1518552A GB3494975A GB3494975A GB1518552A GB 1518552 A GB1518552 A GB 1518552A GB 3494975 A GB3494975 A GB 3494975A GB 3494975 A GB3494975 A GB 3494975A GB 1518552 A GB1518552 A GB 1518552A
Authority
GB
United Kingdom
Prior art keywords
liq
central region
hopper
edge
aug
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
GB3494975A
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.)
Novartis AG
Original Assignee
Ciba Geigy AG
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Ciba Geigy AG filed Critical Ciba Geigy AG
Priority to GB3494975A priority Critical patent/GB1518552A/en
Publication of GB1518552A publication Critical patent/GB1518552A/en
Expired legal-status Critical Current

Links

Classifications

    • 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
    • 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
    • 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
    • G03C2001/7433—Curtain coating
    • 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
    • G03C2001/747—Lateral edge guiding means for curtain coating

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Coating Apparatus (AREA)
  • Application Of Or Painting With Fluid Materials (AREA)

Abstract

1518552 Slide coating hopper CIBA-GEIGY AG 9 Aug 1976 [22 Aug 1975] 34949/75 Addition to 1429260 Heading D1L Slide hopper of Parent Specification for coating film base with photographic emulsion wherein the source of liq. supplied to the edges of the curtain is separate from that supplied to the central region is modified in that the edge guides 4, 5 which control the width of the falling curtain converge upstream of the discharge lip 7 of the hopper to narrow the width of the liq. in the edge regions 9a, 10a. In the case of the central region 8 being composed of several layers the liq. therein is maintained separate from the liq. in the edge regions by thin plastics or metal vertical walls 14, 15 which terminate below the lowest-discharge slot of the central region.
GB3494975A 1976-08-09 1976-08-09 Edge for curtain coating Expired GB1518552A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB3494975A GB1518552A (en) 1976-08-09 1976-08-09 Edge for curtain coating

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB3494975A GB1518552A (en) 1976-08-09 1976-08-09 Edge for curtain coating

Publications (1)

Publication Number Publication Date
GB1518552A true GB1518552A (en) 1978-07-19

Family

ID=10371981

Family Applications (1)

Application Number Title Priority Date Filing Date
GB3494975A Expired GB1518552A (en) 1976-08-09 1976-08-09 Edge for curtain coating

Country Status (1)

Country Link
GB (1) GB1518552A (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0018029A1 (en) * 1979-04-19 1980-10-29 Agfa-Gevaert N.V. Method and device for slide hopper multilayer coating
EP0537086A1 (en) * 1991-10-11 1993-04-14 Eastman Kodak Company Curtain coating method and apparatus
EP0649054A1 (en) * 1993-10-18 1995-04-19 Eastman Kodak Company Stripe internal edging method and apparatus
US5906865A (en) * 1995-04-10 1999-05-25 Agfa-Gevaert, N.V. Process and apparatus for reducing turbulence during curtain-coating

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0018029A1 (en) * 1979-04-19 1980-10-29 Agfa-Gevaert N.V. Method and device for slide hopper multilayer coating
EP0537086A1 (en) * 1991-10-11 1993-04-14 Eastman Kodak Company Curtain coating method and apparatus
EP0649054A1 (en) * 1993-10-18 1995-04-19 Eastman Kodak Company Stripe internal edging method and apparatus
US5906865A (en) * 1995-04-10 1999-05-25 Agfa-Gevaert, N.V. Process and apparatus for reducing turbulence during curtain-coating

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Legal Events

Date Code Title Description
PS Patent sealed