JPS5669149A - Manufacturing method of molding material by microwaves irradiation - Google Patents

Manufacturing method of molding material by microwaves irradiation

Info

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
Application number
JP14591679A
Other languages
Japanese (ja)
Inventor
Kyo Norimoto
Kaneyoshi Ito
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.)
Daiken Trade and Industry Co Ltd
Original Assignee
Daiken Trade and Industry Co 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 Daiken Trade and Industry Co Ltd filed Critical Daiken Trade and Industry Co Ltd
Priority to JP14591679A priority Critical patent/JPS5669149A/en
Publication of JPS5669149A publication Critical patent/JPS5669149A/en
Pending legal-status Critical Current

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
JP14591679A 1979-11-09 1979-11-09 Manufacturing method of molding material by microwaves irradiation Pending JPS5669149A (en)

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)

* Cited by examiner, † Cited by third party
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)

* Cited by examiner, † Cited by third party
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

Patent Citations (2)

* Cited by examiner, † Cited by third party
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)

* Cited by examiner, † Cited by third party
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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