JPS5684928A - Preparation of building material - Google Patents
Preparation of building materialInfo
- Publication number
- JPS5684928A JPS5684928A JP16189079A JP16189079A JPS5684928A JP S5684928 A JPS5684928 A JP S5684928A JP 16189079 A JP16189079 A JP 16189079A JP 16189079 A JP16189079 A JP 16189079A JP S5684928 A JPS5684928 A JP S5684928A
- Authority
- JP
- Japan
- Prior art keywords
- styrene
- urethane
- balls
- uniformly
- steam
- 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
Links
Landscapes
- Laminated Bodies (AREA)
- Casting Or Compression Moulding Of Plastics Or The Like (AREA)
Abstract
PURPOSE: To reduce an amount of urethane to be used and improve the stiffness of a product by a method wherein styrene balls, made by applying steam to styrene raw beads more than one time, are dropped and put on a surface member coated with urethane resin uniformly, thereafter, are foamed.
CONSTITUTION: Steam is applied to the styrene raw beads in a steam chamber 1 more than once to make the styrene balls, then, the styrene balls are received into a styrene ball hopper 2. On the other hand, urethane liquid resin in a urethane liquid resin tank 3 is coated uniformly to a formed steel sheet 5 obtained by extrusion molding or press molding with a spray nozzle 4 to form the urethane resin layer 6. Subsequently, the styrene balls 7 are dropped from the hopper 2 onto the urethane layer 6 uniformly, thereafter, they are foamed by heating them at a temperature of 40W50°C from above and below with hot press boards 8, 8 thereby obtaining the product 9 formed to one body by compression.
COPYRIGHT: (C)1981,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP16189079A JPS5684928A (en) | 1979-12-13 | 1979-12-13 | Preparation of building material |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP16189079A JPS5684928A (en) | 1979-12-13 | 1979-12-13 | Preparation of building material |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS5684928A true JPS5684928A (en) | 1981-07-10 |
Family
ID=15743937
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP16189079A Pending JPS5684928A (en) | 1979-12-13 | 1979-12-13 | Preparation of building material |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5684928A (en) |
-
1979
- 1979-12-13 JP JP16189079A patent/JPS5684928A/en active Pending
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