JPS5669149A - Manufacturing method of molding material by microwaves irradiation - Google Patents
Manufacturing method of molding material by microwaves irradiationInfo
- Publication number
- JPS5669149A JPS5669149A JP14591679A JP14591679A JPS5669149A JP S5669149 A JPS5669149 A JP S5669149A JP 14591679 A JP14591679 A JP 14591679A JP 14591679 A JP14591679 A JP 14591679A JP S5669149 A JPS5669149 A JP S5669149A
- Authority
- JP
- Japan
- Prior art keywords
- microwaves
- boardlike
- moisture
- mold
- wood
- 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
- Dry Formation Of Fiberboard And The Like (AREA)
Abstract
PURPOSE: To eliminate cracks and to efficiently mold into a desired shape by irradiating microwaves on boardlike material holding moisture.
CONSTITUTION: After mixing thermoplastic resin with small pieces of wood such as pulp, wood fibre and the like that, these are formed into beardlike material by a dry method or a wet method. Next said boardlike material is given moisture and put in a microwaves irradiation furnace in a wet state to be irradiated with microwaves for raising its temperature above the fixed temperature. There both of the combined water and free water produce heat caused by dielectric loss, the steam within the boardlike material rised to raise the internal temperature in a short time. Next, said material is inserted between the mold material of a molder to be shaped into a desired form and said molded material is dried to an appropriate moisture rate by the appropriate means such as microwaves irradiation or the conduction heat of a heat plate of a hot blast hot press and the like and then the inside thermal plastic synthetic resin is solidified by cooling.
COPYRIGHT: (C)1981,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP14591679A JPS5669149A (en) | 1979-11-09 | 1979-11-09 | Manufacturing method of molding material by microwaves irradiation |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP14591679A JPS5669149A (en) | 1979-11-09 | 1979-11-09 | Manufacturing method of molding material by microwaves irradiation |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS5669149A true JPS5669149A (en) | 1981-06-10 |
Family
ID=15396031
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP14591679A Pending JPS5669149A (en) | 1979-11-09 | 1979-11-09 | Manufacturing method of molding material by microwaves irradiation |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5669149A (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS627503A (en) * | 1985-07-04 | 1987-01-14 | Kishiyuu Seishi Kk | Heat insulating material and manufacture thereof |
US5139861A (en) * | 1990-06-21 | 1992-08-18 | E. I. Du Pont De Nemours And Company | Process for bonding blends of cellulosic pulp and fusible synthetic pulp or fiber by high-speed dielectric heating and products produced thereby |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5314267A (en) * | 1976-07-13 | 1978-02-08 | Girling Ltd | Automatic gap adjusting device |
JPS5493077A (en) * | 1977-12-30 | 1979-07-23 | Nippon Hardboard | Deep drawing process of fiber board |
-
1979
- 1979-11-09 JP JP14591679A patent/JPS5669149A/en active Pending
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5314267A (en) * | 1976-07-13 | 1978-02-08 | Girling Ltd | Automatic gap adjusting device |
JPS5493077A (en) * | 1977-12-30 | 1979-07-23 | Nippon Hardboard | Deep drawing process of fiber board |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS627503A (en) * | 1985-07-04 | 1987-01-14 | Kishiyuu Seishi Kk | Heat insulating material and manufacture thereof |
US5139861A (en) * | 1990-06-21 | 1992-08-18 | E. I. Du Pont De Nemours And Company | Process for bonding blends of cellulosic pulp and fusible synthetic pulp or fiber by high-speed dielectric heating and products produced thereby |
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