JPS56144937A - Preparation of foamed heat insulation board - Google Patents
Preparation of foamed heat insulation boardInfo
- Publication number
- JPS56144937A JPS56144937A JP5099580A JP5099580A JPS56144937A JP S56144937 A JPS56144937 A JP S56144937A JP 5099580 A JP5099580 A JP 5099580A JP 5099580 A JP5099580 A JP 5099580A JP S56144937 A JPS56144937 A JP S56144937A
- Authority
- JP
- Japan
- Prior art keywords
- substrate material
- resin
- urethane resin
- poured
- conveyor
- 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.)
- Granted
Links
Landscapes
- Laminated Bodies (AREA)
- Casting Or Compression Moulding Of Plastics Or The Like (AREA)
Abstract
PURPOSE:To prevent the void formation due to the air involvement in a heat insulation board by a method wherein a urethane resin is poured to a substrate material to spread said resin throughout the substrate material so as to make a central part thereof thick and, thereafter, said resin is foamed and molded by a double conveyor. CONSTITUTION:A substrate material 1 having a thin shallow bottom made of a polyvinyl chloride resin is placed on a lower conveyor 7 and a urethane resin 2 is poured into the substrate material 1 from a pouring machine 10 while strirred therein by a motor and, thereafter, foamed and molded between an upper conveyor 6 and the lower conveyor 7. The urethane resin 2 poured into the substrate material is spread under pressure through a backing sheet 13 prior to foaming and spread under pressure over a total surface of a bottom surface 1a of the substrate material 1 as well as a central part of the urethane resin 2 is made thick. Subsequently, the urethane resin 2 initiating the foaming is conditioned by a shaping roller 12 and an upper surface of the resin 12 is made flat by the upper and the lower conveyors 6, 7.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP5099580A JPS56144937A (en) | 1980-04-15 | 1980-04-15 | Preparation of foamed heat insulation board |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP5099580A JPS56144937A (en) | 1980-04-15 | 1980-04-15 | Preparation of foamed heat insulation board |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS56144937A true JPS56144937A (en) | 1981-11-11 |
JPH0255206B2 JPH0255206B2 (en) | 1990-11-26 |
Family
ID=12874361
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP5099580A Granted JPS56144937A (en) | 1980-04-15 | 1980-04-15 | Preparation of foamed heat insulation board |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS56144937A (en) |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS50124961A (en) * | 1974-02-20 | 1975-10-01 |
-
1980
- 1980-04-15 JP JP5099580A patent/JPS56144937A/en active Granted
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS50124961A (en) * | 1974-02-20 | 1975-10-01 |
Also Published As
Publication number | Publication date |
---|---|
JPH0255206B2 (en) | 1990-11-26 |
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