GB1079557A - Improvements in or relating to paper laminates - Google Patents

Improvements in or relating to paper laminates

Info

Publication number
GB1079557A
GB1079557A GB14929/65A GB1492965A GB1079557A GB 1079557 A GB1079557 A GB 1079557A GB 14929/65 A GB14929/65 A GB 14929/65A GB 1492965 A GB1492965 A GB 1492965A GB 1079557 A GB1079557 A GB 1079557A
Authority
GB
United Kingdom
Prior art keywords
sheet
granules
particles
paper
pressure
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
GB14929/65A
Inventor
Herman Albert Hans Rudol Arndt
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.)
JOHANNES ADRIANES DEKKER
Original Assignee
JOHANNES ADRIANES DEKKER
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 JOHANNES ADRIANES DEKKER filed Critical JOHANNES ADRIANES DEKKER
Priority to GB14929/65A priority Critical patent/GB1079557A/en
Publication of GB1079557A publication Critical patent/GB1079557A/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
    • D21H25/00—After-treatment of paper not provided for in groups D21H17/00 - D21H23/00
    • D21H25/04—Physical treatment, e.g. heating, irradiating
    • D21H25/06—Physical treatment, e.g. heating, irradiating of impregnated or coated paper
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B29/00—Layered products comprising a layer of paper or cardboard
    • 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
    • D21H19/00—Coated paper; Coating material
    • D21H19/80—Paper comprising more than one coating
    • D21H19/84—Paper comprising more than one coating on both sides of the substrate
    • 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
    • D21H27/00—Special paper not otherwise provided for, e.g. made by multi-step processes
    • D21H27/18—Paper- or board-based structures for surface covering
    • D21H27/22—Structures being applied on the surface by special manufacturing processes, e.g. in presses
    • D21H27/26—Structures being applied on the surface by special manufacturing processes, e.g. in presses characterised by the overlay sheet or the top layers of the structures
    • D21H27/28—Structures being applied on the surface by special manufacturing processes, e.g. in presses characterised by the overlay sheet or the top layers of the structures treated to obtain specific resistance properties, e.g. against wear or weather
    • 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
    • D21H27/00—Special paper not otherwise provided for, e.g. made by multi-step processes
    • D21H27/30—Multi-ply
    • 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
    • D21H27/00—Special paper not otherwise provided for, e.g. made by multi-step processes
    • D21H27/30—Multi-ply
    • D21H27/32—Multi-ply with materials applied between the sheets
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2317/00—Animal or vegetable based
    • B32B2317/12—Paper, e.g. cardboard
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2317/00—Animal or vegetable based
    • B32B2317/12—Paper, e.g. cardboard
    • B32B2317/125—Paper, e.g. cardboard impregnated with thermosetting resin

Landscapes

  • Laminated Bodies (AREA)
  • Building Environments (AREA)

Abstract

1,079,557. Laminating. J. A. DEKKER. Dec. 7, 1965 [April 8, 1965], No. 14929/65. Heading B5N. [Also in Division B8] A process for preparing a paper laminate comprises sandwiching particles or granules of a synthetic plastics material capable of flowing under heat and pressure between two sheets of paper, and applying heat and pressure to the sandwich so that the plastics material flows, and the particles or granules form a coherent layer between the paper sheets, which layer is self-adhering to the paper sheets, at least one surface of one of the paper sheets being treated so as to cause the particles or granules to adhere thereto prior to forming the sand. wich. In apparatus for performing the process a sheet of paper 13 is unwound from a roll 11, passes between nip rollers 14, 15 and is treated by wetting one of its faces with water applied by a grooved or serrated roller 16. The sheet then passes wetted face uppermost beneath a hopper 22 from which particles or granules 23 are deposited on it, and is fed between rollers 29, 30 together with a second sheet of paper 26 from a roll 24 to form a sandwich. The sandwich is fed between heated pressure plates 31, 32 which are operated intermittently to form the laminate by causing the plastics particles or granules to flow into a coherent layer. If it is desired to form a corrugated laminate the surfaces of the pressure plates 31, 32 are made undulatory. The plastics material used may be polyethylene or polyvinyl chloride but is preferably polystyrene in which case the operating temperature of the pressure plates is 105-130‹ C., preferably 108‹ C., and the operating pressure is 0À1 to 0À5 kilograms/cm.<SP>2</SP>. The pressure plates may be heated by steam under pressure, electricity, or by gas flames. In a modification the sheet 13 is treated on both surfaces by drawing it through a water bath. The pressure plates 31, 32 may be replaced by heated rollers to give continuous operation, and the sandwich may be heated by high-frequency heating before being pressed. In order to prevent particles or granules from dropping off the sheet 13 it is made slightly narrower than the sheet 26, the edges of this latter sheet then being bent downwardly perpendicular to the general plane of the sheet by a framework placed across the sheet. To ensure the desired density of particles or granules being supplied from the hopper it is provided with an adjustable baffle. The completed paper laminate can be used as wrapping material, or as ceiling or wall board, or as an insulating panel.
GB14929/65A 1965-04-08 1965-04-08 Improvements in or relating to paper laminates Expired GB1079557A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB14929/65A GB1079557A (en) 1965-04-08 1965-04-08 Improvements in or relating to paper laminates

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB14929/65A GB1079557A (en) 1965-04-08 1965-04-08 Improvements in or relating to paper laminates

Publications (1)

Publication Number Publication Date
GB1079557A true GB1079557A (en) 1967-08-16

Family

ID=10050031

Family Applications (1)

Application Number Title Priority Date Filing Date
GB14929/65A Expired GB1079557A (en) 1965-04-08 1965-04-08 Improvements in or relating to paper laminates

Country Status (1)

Country Link
GB (1) GB1079557A (en)

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