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JPS5770609A - Press forming of fusion-bonded net - Google Patents

Press forming of fusion-bonded net

Info

Publication number
JPS5770609A
JPS5770609A JP14690380A JP14690380A JPS5770609A JP S5770609 A JPS5770609 A JP S5770609A JP 14690380 A JP14690380 A JP 14690380A JP 14690380 A JP14690380 A JP 14690380A JP S5770609 A JPS5770609 A JP S5770609A
Authority
JP
Japan
Prior art keywords
fusion
net
mold
bonded
moving mold
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
JP14690380A
Other languages
Japanese (ja)
Inventor
Jun Hara
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.)
Unitika Ltd
Original Assignee
Unitika 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 Unitika Ltd filed Critical Unitika Ltd
Priority to JP14690380A priority Critical patent/JPS5770609A/en
Publication of JPS5770609A publication Critical patent/JPS5770609A/en
Pending legal-status Critical Current

Links

Landscapes

  • Blow-Moulding Or Thermoforming Of Plastics Or The Like (AREA)

Abstract

PURPOSE: To obtain the fusion-bonded net having uniform thickness, stretching ratio, strength etc. by heating the fixed mold over the glass transition point of the net composing resin and cooling the moving mold below the glass transition point and press-forming it.
CONSTITUTION: After a fusion-bonded net 6 is inserted between the fixed mold 2 and the moving mold 3 for the press-forming mold and held by the associate mold 4, it is deformed by pushing down the moving mold 3. Because the moving mold 3 is cooled at the temperature below the glass transition point of the thermoplastic resin of the fusion-bonded net 6, it does not occur that only the middle part of the net is softened, even if the moving mold 3 contacts the middle part of the fusion-bonded net 6, then pressing force of the moving mold 3 disperses uniformly to the entire fusion-bonded net 6. Thus, the fusion-bonded net 6 is uniformly deformed, and it is heated over the glass transition point, formed and thermally set.
COPYRIGHT: (C)1982,JPO&Japio
JP14690380A 1980-10-22 1980-10-22 Press forming of fusion-bonded net Pending JPS5770609A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP14690380A JPS5770609A (en) 1980-10-22 1980-10-22 Press forming of fusion-bonded net

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP14690380A JPS5770609A (en) 1980-10-22 1980-10-22 Press forming of fusion-bonded net

Publications (1)

Publication Number Publication Date
JPS5770609A true JPS5770609A (en) 1982-05-01

Family

ID=15418171

Family Applications (1)

Application Number Title Priority Date Filing Date
JP14690380A Pending JPS5770609A (en) 1980-10-22 1980-10-22 Press forming of fusion-bonded net

Country Status (1)

Country Link
JP (1) JPS5770609A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4632799A (en) * 1983-03-14 1986-12-30 Metal Box P.L.C. Methods for forming tubular closed-ended articles of thermoformable polymer material
JP2008537292A (en) * 2005-04-18 2008-09-11 コーニンクレッカ フィリップス エレクトロニクス エヌ ヴィ Illumination system having a mechanical dimmer

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4632799A (en) * 1983-03-14 1986-12-30 Metal Box P.L.C. Methods for forming tubular closed-ended articles of thermoformable polymer material
JP2008537292A (en) * 2005-04-18 2008-09-11 コーニンクレッカ フィリップス エレクトロニクス エヌ ヴィ Illumination system having a mechanical dimmer

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