GB667277A - An improved process and apparatus for coating or impregnating webs - Google Patents

An improved process and apparatus for coating or impregnating webs

Info

Publication number
GB667277A
GB667277A GB2894348A GB2894348A GB667277A GB 667277 A GB667277 A GB 667277A GB 2894348 A GB2894348 A GB 2894348A GB 2894348 A GB2894348 A GB 2894348A GB 667277 A GB667277 A GB 667277A
Authority
GB
United Kingdom
Prior art keywords
web
liquid
cylinder
passes
pict
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
GB2894348A
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.)
American Reenforced Paper Co
Original Assignee
American Reenforced Paper 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 American Reenforced Paper Co filed Critical American Reenforced Paper Co
Priority to GB2894348A priority Critical patent/GB667277A/en
Publication of GB667277A publication Critical patent/GB667277A/en
Expired legal-status Critical Current

Links

Classifications

    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06B—TREATING TEXTILE MATERIALS USING LIQUIDS, GASES OR VAPOURS
    • D06B1/00—Applying liquids, gases or vapours onto textile materials to effect treatment, e.g. washing, dyeing, bleaching, sizing or impregnating
    • D06B1/02—Applying liquids, gases or vapours onto textile materials to effect treatment, e.g. washing, dyeing, bleaching, sizing or impregnating by spraying or projecting
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
    • D06M23/00—Treatment of fibres, threads, yarns, fabrics or fibrous goods made from such materials, characterised by the process
    • D06M23/04—Processes in which the treating agent is applied in the form of a foam

Landscapes

  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Coating Apparatus (AREA)
  • Paper (AREA)

Abstract

<PICT:0667277/IV (c)/1> <PICT:0667277/IV (c)/2> Liquid is applied to a web by conducting the web above a supply of liquid but through a mass of bubbles formed on the surface thereof which burst and deposit liquid on the web. The web may be of paper, metal, wood, plastic, or woven, knitted or netted fibres and the applied liquid may be a dye. A web 8, Fig. 1, of loose unspun fibrous material is taken from a reel 6 and attenuated between two pairs of drafting rollers 11, 12 and 14, 15, being supported therebetween by an endless belt 10. The web is passed over a trough of liquid 22, which is maintained at a constant level, and through a mass of bubbles 38 formed on the surface thereon by passing a stream of gas, e.g. air upwardly through the liquid from a pipe 26. The web then passes between a pair of cylinders 18 and 19 one or both of which may be heated. A water jacket 30 may be provided to prevent the heat from the cylinder 18 being conducted to the liquid 22. The web is wound up at 20. Pressure and a doctoring action may be applied to the web as it passes over cylinder 18 by a number of steel balls 50, maintained within a frame 40 supported above the web. These balls also exert a doctoring action upon both of the cylinders 18 and 19. The cylinder 18 may be rotated so that its peripheral speed exceeds that of the web so that the impregnated web will not adhere to its surface. The speed of the web is determined by drafting rollers 14, 15, the lower of which, 15, is power-driven and the upper of which, 14, is geared thereto and rests upon the web under its own weight. The rollers 11 and 12 are similarly operated. In a modified arrangement, Fig. 11, a single cylinder 18 is employed in cooperation with a heating shoe 60 between which and the cylinder the web passes. To ensure stripping of the web from the cylinder the latter is driven from 1 to 5 per cent faster.
GB2894348A 1948-11-08 1948-11-08 An improved process and apparatus for coating or impregnating webs Expired GB667277A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB2894348A GB667277A (en) 1948-11-08 1948-11-08 An improved process and apparatus for coating or impregnating webs

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB2894348A GB667277A (en) 1948-11-08 1948-11-08 An improved process and apparatus for coating or impregnating webs

Publications (1)

Publication Number Publication Date
GB667277A true GB667277A (en) 1952-02-27

Family

ID=10283683

Family Applications (1)

Application Number Title Priority Date Filing Date
GB2894348A Expired GB667277A (en) 1948-11-08 1948-11-08 An improved process and apparatus for coating or impregnating webs

Country Status (1)

Country Link
GB (1) GB667277A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3635014A1 (en) * 1986-10-15 1988-04-28 Vepa Ag Method and apparatus for removing dirt constituents from materials

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3635014A1 (en) * 1986-10-15 1988-04-28 Vepa Ag Method and apparatus for removing dirt constituents from materials

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