GB2234457B - Self-purging extrusion hopper - Google Patents

Self-purging extrusion hopper

Info

Publication number
GB2234457B
GB2234457B GB8917919A GB8917919A GB2234457B GB 2234457 B GB2234457 B GB 2234457B GB 8917919 A GB8917919 A GB 8917919A GB 8917919 A GB8917919 A GB 8917919A GB 2234457 B GB2234457 B GB 2234457B
Authority
GB
United Kingdom
Prior art keywords
purging
self
extrusion hopper
hopper
extrusion
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 - Fee Related
Application number
GB8917919A
Other versions
GB2234457A (en
GB8917919D0 (en
Inventor
Gordon Robert Still
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.)
Kodak Ltd
Original Assignee
Kodak 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 Kodak Ltd filed Critical Kodak Ltd
Priority to GB8917919A priority Critical patent/GB2234457B/en
Publication of GB8917919D0 publication Critical patent/GB8917919D0/en
Publication of GB2234457A publication Critical patent/GB2234457A/en
Application granted granted Critical
Publication of GB2234457B publication Critical patent/GB2234457B/en
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • B05C5/005—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
    • 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
    • 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
    • G03C2001/7459—Extrusion coating

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Coating Apparatus (AREA)
GB8917919A 1989-08-04 1989-08-04 Self-purging extrusion hopper Expired - Fee Related GB2234457B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB8917919A GB2234457B (en) 1989-08-04 1989-08-04 Self-purging extrusion hopper

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB8917919A GB2234457B (en) 1989-08-04 1989-08-04 Self-purging extrusion hopper

Publications (3)

Publication Number Publication Date
GB8917919D0 GB8917919D0 (en) 1989-09-20
GB2234457A GB2234457A (en) 1991-02-06
GB2234457B true GB2234457B (en) 1992-07-29

Family

ID=10661211

Family Applications (1)

Application Number Title Priority Date Filing Date
GB8917919A Expired - Fee Related GB2234457B (en) 1989-08-04 1989-08-04 Self-purging extrusion hopper

Country Status (1)

Country Link
GB (1) GB2234457B (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2614142B2 (en) * 1990-11-09 1997-05-28 富士写真フイルム株式会社 Coating device
US5234500A (en) * 1991-09-27 1993-08-10 Eastman Kodak Company Liquid distribution system for photographic coating device
US5244149A (en) * 1992-05-05 1993-09-14 Eastman Kodak Company Impinging jet fluid distributor
DE19815178C1 (en) * 1998-04-04 1999-03-18 Didier Werke Ag Device for fixing fiber block to furnace wall
US6537618B2 (en) * 2000-12-20 2003-03-25 Eastman Kodak Company Method for preparing a coating hopper prior to initiation of coating

Also Published As

Publication number Publication date
GB2234457A (en) 1991-02-06
GB8917919D0 (en) 1989-09-20

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee

Effective date: 19990804