GB525060A - Paper coating apparatus - Google Patents

Paper coating apparatus

Info

Publication number
GB525060A
GB525060A GB469639A GB469639A GB525060A GB 525060 A GB525060 A GB 525060A GB 469639 A GB469639 A GB 469639A GB 469639 A GB469639 A GB 469639A GB 525060 A GB525060 A GB 525060A
Authority
GB
United Kingdom
Prior art keywords
roll
web
coating
rolls
transfer surface
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
GB469639A
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.)
Warren SD Co
Original Assignee
Warren SD Co
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 Warren SD Co filed Critical Warren SD Co
Priority to GB469639A priority Critical patent/GB525060A/en
Publication of GB525060A publication Critical patent/GB525060A/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
    • D21H23/52—Addition to the formed paper by contacting paper with a device carrying the material
    • 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
    • D21H23/52—Addition to the formed paper by contacting paper with a device carrying the material
    • D21H23/56—Rolls
    • 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
    • D21H5/0025—Processes or apparatus specially adapted for applying liquids or other fluent materials to finished paper or board, e.g. impregnating, coating by contact with a device carrying the treating material
    • 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
    • D21H5/0025—Processes or apparatus specially adapted for applying liquids or other fluent materials to finished paper or board, e.g. impregnating, coating by contact with a device carrying the treating material
    • D21H5/003—Processes or apparatus specially adapted for applying liquids or other fluent materials to finished paper or board, e.g. impregnating, coating by contact with a device carrying the treating material with a roller
    • D21H5/0032—Details thereof, e.g. surface characteristics, peripheral speed
    • D21H5/0035—Details thereof, e.g. surface characteristics, peripheral speed the coating material on the applicator roller being subjected to a particular treatment before applying to paper

Abstract

525,060. Coating paper. DYKES, W. U. (Warren Co., S. D.). Feb. 13, 1939, No. 4696. [Classes 96 and 140] In apparatus for coating fibrous sheet material such as paper of the kind in which a layer of fluid 'coating composition is deposited on an impervious transfer surface, smoothed by a doctor and transferred to the fibrous sheet, an air doctor disposed transversely of and parallel to the plane of the transfer surface is used. The transfer surface may be a roll or endless belt of metal or rubber. The air doctor may be provided with means for varying the distance between it and the transfer surface, the thickness of the sheet of air, and the angle at which it is projec'ted. Suitable air doctors are those described in Specification 483,998 or U.S.A. Specification 1,980,923. Duplicate equipment may be used to coat both sides of the web simultaneously. As shown in Fig. 1, a web of paper 1 from a Fourdrinier wire 2 is pressed between rolls 3, 4 and passed between rolls 5, 6. Roll 5 dips into a tank 9 supplied with fluid coating composition from a storage tank 8 by a pump 13. The coating picked up by roll 5 is smoothed by an air doctor 12 and transferred to and squeezed into the web as it passes between rolls 5, 6. Roll 5 may rotate in the same or opposite direction to that of the web, and its peripheral speed may be the same, or greater or less than the speed of travel of the web. In the modification shown in Fig. 3, the coating material may be delivered from tank 9 to an applying roll 18 by a roll 22 and the web may be held against roll 18 by its own tension between rolls 23, 24. The roll 18 may be replaced by an endless belt, whereby, if desired, the coating composition may be thickened by evaporation during its travel on the belt.
GB469639A 1939-02-13 1939-02-13 Paper coating apparatus Expired GB525060A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB469639A GB525060A (en) 1939-02-13 1939-02-13 Paper coating apparatus

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB469639A GB525060A (en) 1939-02-13 1939-02-13 Paper coating apparatus

Publications (1)

Publication Number Publication Date
GB525060A true GB525060A (en) 1940-08-21

Family

ID=9782074

Family Applications (1)

Application Number Title Priority Date Filing Date
GB469639A Expired GB525060A (en) 1939-02-13 1939-02-13 Paper coating apparatus

Country Status (1)

Country Link
GB (1) GB525060A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107127100A (en) * 2017-05-22 2017-09-05 江苏中印印务集团有限公司 Coiled material surface coating apparatus and the Wet Compound Device comprising it

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107127100A (en) * 2017-05-22 2017-09-05 江苏中印印务集团有限公司 Coiled material surface coating apparatus and the Wet Compound Device comprising it

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