GB794995A - Improvements in or relating to the coating of sheets of rigid material with liquids - Google Patents

Improvements in or relating to the coating of sheets of rigid material with liquids

Info

Publication number
GB794995A
GB794995A GB1300555A GB1300555A GB794995A GB 794995 A GB794995 A GB 794995A GB 1300555 A GB1300555 A GB 1300555A GB 1300555 A GB1300555 A GB 1300555A GB 794995 A GB794995 A GB 794995A
Authority
GB
United Kingdom
Prior art keywords
sheet
air doctor
coating
air
trolley
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
GB1300555A
Inventor
Louis Frederick William Lawes
Edward Albert Moy
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.)
LAWES BROTHERS Ltd
Original Assignee
LAWES BROTHERS 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 LAWES BROTHERS Ltd filed Critical LAWES BROTHERS Ltd
Priority to GB1300555A priority Critical patent/GB794995A/en
Priority to FR1152716D priority patent/FR1152716A/en
Publication of GB794995A publication Critical patent/GB794995A/en
Expired legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C03—GLASS; MINERAL OR SLAG WOOL
    • C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
    • C03C17/00—Surface treatment of glass, not in the form of fibres or filaments, by coating
    • C03C17/001—General methods for coating; Devices therefor
    • C03C17/002—General methods for coating; Devices therefor for flat glass, e.g. float glass
    • 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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Organic Chemistry (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Coating Apparatus (AREA)
  • Application Of Or Painting With Fluid Materials (AREA)

Abstract

<PICT:0794995/III/1> Apparatus for forming a liquid, applied upon a sheet of rigid material, e.g. of metal, glass, wood or plastic, into an even, thin coating, comprises means for supporting the sheet, and an air doctor carried by travelling means which spaces it above the sheet, there being provided means for propelling the travelling means in the direction of one dimension of the sheet, and a track for guiding and supporting it so that the spacing of the air doctor above the sheet is maintained. The apparatus may be used for applying coatings of photo-sensitive material, in which case the air doctor may be provided with air-heating means so that it may be used to dry the coating, and a source of photographic activating rays may be mounted on the means carrying the air doctor, or similar means. As shown, the frame-ends 1 are connected by spaced rails 2, and the sheet 3, to be coated, is supported on brackets 4, a gutter 5 being provided at one end, and possible also at the sides, of the sheet. The wheels 6 of a trolley 7 run on the rails 2, an air doctor 8 being mounted adjustably for height and inclination, on the trolley, and connected by tubing 11 to a fan 10, a control damper 12 being provided. The trolley 7 may be traversed along the rails 2 by means of an electric motor 15 driving a pinion 17 which engages a rack 18. A tiltable trough 30 may be provided, pivotally supported on arms 31 on the trolley, by which the coating medium may be applied in advance of the air doctor 8, or it may be poured on manually. After the coating material has been applied, the air doctor 8 is traversed across the sheet to blow the excess into the gutter 5; the coating may then be dried by reducing the flow of air, heating it by means of heaters inside the air doctor, and repeatedly traversing the latter over the sheet. The application, exposure and development of photographic layers comprising metal diazo salts and polyvinyl acetate emulsions is described (see Group XX). Powdered photo-conductors in a resin binder may also be applied.
GB1300555A 1955-05-04 1955-05-04 Improvements in or relating to the coating of sheets of rigid material with liquids Expired GB794995A (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
GB1300555A GB794995A (en) 1955-05-04 1955-05-04 Improvements in or relating to the coating of sheets of rigid material with liquids
FR1152716D FR1152716A (en) 1955-05-04 1956-05-03 Apparatus for applying a thin and uniform layer of liquid to a sheet of rigid material

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB1300555A GB794995A (en) 1955-05-04 1955-05-04 Improvements in or relating to the coating of sheets of rigid material with liquids

Publications (1)

Publication Number Publication Date
GB794995A true GB794995A (en) 1958-05-14

Family

ID=10015093

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1300555A Expired GB794995A (en) 1955-05-04 1955-05-04 Improvements in or relating to the coating of sheets of rigid material with liquids

Country Status (2)

Country Link
FR (1) FR1152716A (en)
GB (1) GB794995A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4042996A (en) 1973-08-14 1977-08-23 W. R. Grace & Co. Air etching of polymeric printing plates
US4197126A (en) 1975-06-25 1980-04-08 W. R. Grace & Co. Air etching of polymeric printing plates
CN118237244A (en) * 2024-05-27 2024-06-25 渭南三立印刷机械有限公司 Standing oxidation chamber for preparing composite rubber plate and application method

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3295763A (en) * 1963-11-15 1967-01-03 Brauner Shlomo Self-contained track guided agricultural sprayer

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4042996A (en) 1973-08-14 1977-08-23 W. R. Grace & Co. Air etching of polymeric printing plates
US4197126A (en) 1975-06-25 1980-04-08 W. R. Grace & Co. Air etching of polymeric printing plates
CN118237244A (en) * 2024-05-27 2024-06-25 渭南三立印刷机械有限公司 Standing oxidation chamber for preparing composite rubber plate and application method

Also Published As

Publication number Publication date
FR1152716A (en) 1958-02-24

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