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GB551610A - Improvements in or relating to laminated articles and their methods of manufacture - Google Patents

Improvements in or relating to laminated articles and their methods of manufacture

Info

Publication number
GB551610A
GB551610A GB4880/41A GB488041A GB551610A GB 551610 A GB551610 A GB 551610A GB 4880/41 A GB4880/41 A GB 4880/41A GB 488041 A GB488041 A GB 488041A GB 551610 A GB551610 A GB 551610A
Authority
GB
United Kingdom
Prior art keywords
sheets
web
sandwich
plastic
sandwiches
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
GB4880/41A
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.)
Pilkington Group Ltd
Original Assignee
Pilkington 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 Pilkington Brothers Ltd filed Critical Pilkington Brothers Ltd
Priority to GB4880/41A priority Critical patent/GB551610A/en
Publication of GB551610A publication Critical patent/GB551610A/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
    • 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
    • B32B27/00—Layered products comprising a layer of synthetic resin
    • 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
    • D21H19/10—Coatings without pigments
    • D21H19/14—Coatings without pigments applied in a form other than the aqueous solution defined in group D21H19/12
    • D21H19/24—Coatings without pigments applied in a form other than the aqueous solution defined in group D21H19/12 comprising macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
    • 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
    • D21H25/08—Rearranging applied substances, e.g. metering, smoothing; Removing excess material
    • D21H25/10—Rearranging applied substances, e.g. metering, smoothing; Removing excess material with blades
    • 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
    • D21H25/08—Rearranging applied substances, e.g. metering, smoothing; Removing excess material
    • D21H25/12—Rearranging applied substances, e.g. metering, smoothing; Removing excess material with an essentially cylindrical body, e.g. roll or rod
    • D21H25/14—Rearranging applied substances, e.g. metering, smoothing; Removing excess material with an essentially cylindrical body, e.g. roll or rod the body being a casting drum, a heated roll or a calender
    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21J—FIBREBOARD; MANUFACTURE OF ARTICLES FROM CELLULOSIC FIBROUS SUSPENSIONS OR FROM PAPIER-MACHE
    • D21J1/00—Fibreboard
    • D21J1/16—Special fibreboard
    • 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
    • D21H21/00—Non-fibrous material added to the pulp, characterised by its function, form or properties; Paper-impregnating or coating material, characterised by its function, form or properties
    • D21H21/50—Non-fibrous material added to the pulp, characterised by its function, form or properties; Paper-impregnating or coating material, characterised by its function, form or properties characterised by form
    • D21H21/52—Additives of definite length or shape
    • 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
    • D21H23/46—Pouring or allowing the fluid to flow in a continuous stream on to the surface, the entire stream being carried away by the paper

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Laminated Bodies (AREA)

Abstract

551,610. Synthetic resins. PILKINGTON BROS., Ltd., GRIFFITH, C. F., and BRADLEY; P. R. April 12, 1941, Nos. 4880/41 and 3643/42. [Class 2 (iii)] [Also in Group VIII] Laminating material for making articles formed from laminae bonded and impregnated with a thermoplastic or thermosetting plastic is made by disposing between two permeable sheets, e.g. paper, fabric or open-weave fabric backed with paper, a layer of dry plastic particles in quantity sufficient to impregnate the sheets and then subjecting the sandwich to heat and pressure sufficient to adhere the sheets but insufficient to cause permeation of the sheets, and, in the case of thermo-setting plastics, to cure the plastic. Additional layers of plastic particles and sheets may be applied in succession and similarly treated. Openweave or net fabric, string or cord may be disposed in the plastic layer. A continuous web of sandwich material may be formed by applying to a paper web 1 from a hopper 7, by means of a toothed distributing blade 10 and roll 8, a stream 11 of dry powdered phenolformaldehyde resin or shellac, the thickness of the layer being regulated by a transversely oscillating V-shaped doctor blade 12 co-operating with a roller 3. The coated web 1 is then. passed together with a second web 5 through steam-heated pressure rolls 4. Alternatively the resin may be heated by a radiator 4a and pressed between cold rolls. A multiple sandwich may be formed by similarly applying resin to the sandwich and passing it, together with a third web between a pair of rolls of which the upper one only is heated. The sandwiches may also be made in an ordinary platen press. The laminated product may be made from both single and multiple sandwiches. Where the article has a sharp curvature single sandwiches, which allow the maximum slippage, are used.
GB4880/41A 1941-04-12 1941-04-12 Improvements in or relating to laminated articles and their methods of manufacture Expired GB551610A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB4880/41A GB551610A (en) 1941-04-12 1941-04-12 Improvements in or relating to laminated articles and their methods of manufacture

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB4880/41A GB551610A (en) 1941-04-12 1941-04-12 Improvements in or relating to laminated articles and their methods of manufacture

Publications (1)

Publication Number Publication Date
GB551610A true GB551610A (en) 1943-03-03

Family

ID=9785564

Family Applications (1)

Application Number Title Priority Date Filing Date
GB4880/41A Expired GB551610A (en) 1941-04-12 1941-04-12 Improvements in or relating to laminated articles and their methods of manufacture

Country Status (1)

Country Link
GB (1) GB551610A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0513926A1 (en) * 1991-05-14 1992-11-19 Ginestet i Cusso, Ramon High tensile strength cardboard, and its method of manufacture

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0513926A1 (en) * 1991-05-14 1992-11-19 Ginestet i Cusso, Ramon High tensile strength cardboard, and its method of manufacture
WO1992020863A1 (en) * 1991-05-14 1992-11-26 Ginestet I Cusso Ramon Cardboard with high resistance to tearing and process for producing it
US5403443A (en) * 1991-05-14 1995-04-04 Ginestet I Cusso; Ramon Cardboard with high resistance to tearing and method of manufacturing same

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