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GB644564A - Improvements in structural materials - Google Patents

Improvements in structural materials

Info

Publication number
GB644564A
GB644564A GB1606146A GB1606146A GB644564A GB 644564 A GB644564 A GB 644564A GB 1606146 A GB1606146 A GB 1606146A GB 1606146 A GB1606146 A GB 1606146A GB 644564 A GB644564 A GB 644564A
Authority
GB
United Kingdom
Prior art keywords
sheet
wood
subjected
pressure
adhesive
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
GB1606146A
Inventor
Boris Polovtseff
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.)
AIRSCREW Co
JICWOOD Ltd
Original Assignee
AIRSCREW Co
JICWOOD 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 AIRSCREW Co, JICWOOD Ltd filed Critical AIRSCREW Co
Priority to GB1606146A priority Critical patent/GB644564A/en
Publication of GB644564A publication Critical patent/GB644564A/en
Expired legal-status Critical Current

Links

Classifications

    • 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

Landscapes

  • Veneer Processing And Manufacture Of Plywood (AREA)
  • Adhesives Or Adhesive Processes (AREA)
  • Dry Formation Of Fiberboard And The Like (AREA)

Abstract

644,564. Compound sheet materials. AIRSCREW CO. & JICWOOD, Ltd. May 27, 1946, No. 16061. [Class 140] [Also in Group XXIII] Veneered composite boards are prepared by superposing a sheet of adhesive material on a veneer sheet then a mass of sawdust or other comminuted wood partially impregnated with an adhesive binder on the sheet of adhesive material then a further sheet of adhesive material on the mass of comminuted wood and finally a further veneer sheet, the sandwich thus formed being subjected to heat and pressure in a press to consolidate it. The veneer sheets may be of fibrous sheet material such as paper, woven or filled material, fabric gauze, wood veneer or asbestos felt, the comminuted wood may be sawdust, wood chips or wood shavings, and may have mixed with it paper which has been subjected to a defibration process, and the adhesive binder may be casein, Scotch glue, or a synthetic resin of the phenol- or urea-formaldehyde class. The pressure may be from 50 to 450 lbs. per square inch and the temperature from 60‹ to 150‹ C. In the examples : (1) a layer of pinewood chips mixed with urea-formaldehyde resin adhesive is sandwiched between two sheets of asbestos felt and subjected to heat and pressure ; (2) a sheet of Kraft paper is covered with a sheet of phenolic glue film then with a layer of birchwood chips mixed with casein glue, then with a further layer of the glue film, then with a layer of Kraft paper and subjected to heat and pressure, and (3) soft wood chips mixed with a urea-formaldehyde adhesive are sandwiched between sheets of paper lacquered with resin on the side next the chips and subjected to heat and pressure. Specification 644,563 is referred to.
GB1606146A 1946-05-27 1946-05-27 Improvements in structural materials Expired GB644564A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB1606146A GB644564A (en) 1946-05-27 1946-05-27 Improvements in structural materials

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB1606146A GB644564A (en) 1946-05-27 1946-05-27 Improvements in structural materials

Publications (1)

Publication Number Publication Date
GB644564A true GB644564A (en) 1950-10-11

Family

ID=10070439

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1606146A Expired GB644564A (en) 1946-05-27 1946-05-27 Improvements in structural materials

Country Status (1)

Country Link
GB (1) GB644564A (en)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2947654A (en) * 1956-03-26 1960-08-02 Wood Processes Oregon Ltd Method of manufacturing a composite board product
US2992152A (en) * 1959-09-25 1961-07-11 Chapman Ralph Method of forming a board product
US3441959A (en) * 1961-06-05 1969-04-29 Us Plywood Champ Papers Inc Textured panel and process of producing same
US3490969A (en) * 1964-06-10 1970-01-20 George Schiff Method of making wood chipboard
WO2013113080A1 (en) * 2012-01-31 2013-08-08 Gratz Livia Bastos Method for producing a composite from triturated paper money, and composite

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2947654A (en) * 1956-03-26 1960-08-02 Wood Processes Oregon Ltd Method of manufacturing a composite board product
US2992152A (en) * 1959-09-25 1961-07-11 Chapman Ralph Method of forming a board product
US3441959A (en) * 1961-06-05 1969-04-29 Us Plywood Champ Papers Inc Textured panel and process of producing same
US3490969A (en) * 1964-06-10 1970-01-20 George Schiff Method of making wood chipboard
WO2013113080A1 (en) * 2012-01-31 2013-08-08 Gratz Livia Bastos Method for producing a composite from triturated paper money, and composite

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