JPS564437A - Preparation of board for building material - Google Patents

Preparation of board for building material

Info

Publication number
JPS564437A
JPS564437A JP7957779A JP7957779A JPS564437A JP S564437 A JPS564437 A JP S564437A JP 7957779 A JP7957779 A JP 7957779A JP 7957779 A JP7957779 A JP 7957779A JP S564437 A JPS564437 A JP S564437A
Authority
JP
Japan
Prior art keywords
sheet
building material
urethane
liquid urethane
liquid
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.)
Pending
Application number
JP7957779A
Other languages
Japanese (ja)
Inventor
Keisuke Shimizu
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Priority to JP7957779A priority Critical patent/JPS564437A/en
Publication of JPS564437A publication Critical patent/JPS564437A/en
Pending legal-status Critical Current

Links

Landscapes

  • Laminated Bodies (AREA)
  • Casting Or Compression Moulding Of Plastics Or The Like (AREA)

Abstract

PURPOSE: To obtain a board for building material having properties of inflamability, lightness, acoustic and thermal insulation and toughness as the building material by a method wherein a front surface sheet and a back surface sheet are filled with liquid urethane in a gap therebetween and are introduced into a foaming furnace to foam and solidify them while pinching them between upper and lower conveyors.
CONSTITUTION: A back sheet 1 for reinforcing and a front sheet 5 are introduced into an entrance of a foaming furnace 3 after longitudinal directions thereof are coincided, and liquid urethane A containing a foaming agent is injected through a nozzle 13 after urethane reaction liquid 8 and partner liq. reactant 9 are sequentially fed into a manifold 12 and mixed each other. The front sheet 5 and the back sheet 1 being interposed with the liquid urethane A are transferred to foam and solidify them while pinching them between upper and lower conveyors 20, 14 in the furnace 3. In this case, the back sheet 1 is bent by side walls 16, 16 at both of side rim portions thereof and is embossed together with the liquid urethane A foamed into projected streak of mold 17, projected streak for engagement 18 and a recessed streak for mold 19, thus, a flooring 23 may be formed.
COPYRIGHT: (C)1981,JPO&Japio
JP7957779A 1979-06-22 1979-06-22 Preparation of board for building material Pending JPS564437A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP7957779A JPS564437A (en) 1979-06-22 1979-06-22 Preparation of board for building material

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP7957779A JPS564437A (en) 1979-06-22 1979-06-22 Preparation of board for building material

Publications (1)

Publication Number Publication Date
JPS564437A true JPS564437A (en) 1981-01-17

Family

ID=13693837

Family Applications (1)

Application Number Title Priority Date Filing Date
JP7957779A Pending JPS564437A (en) 1979-06-22 1979-06-22 Preparation of board for building material

Country Status (1)

Country Link
JP (1) JPS564437A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0495698U (en) * 1991-01-21 1992-08-19
US6048477A (en) * 1996-12-06 2000-04-11 British Aerospace Public Limited Company Manufacture of composite laminates

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0495698U (en) * 1991-01-21 1992-08-19
US6048477A (en) * 1996-12-06 2000-04-11 British Aerospace Public Limited Company Manufacture of composite laminates

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