JPS5597927A - Production of composite tube - Google Patents

Production of composite tube

Info

Publication number
JPS5597927A
JPS5597927A JP646279A JP646279A JPS5597927A JP S5597927 A JPS5597927 A JP S5597927A JP 646279 A JP646279 A JP 646279A JP 646279 A JP646279 A JP 646279A JP S5597927 A JPS5597927 A JP S5597927A
Authority
JP
Japan
Prior art keywords
resin
belt
layer
nonwoven cloth
defoaming
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
Application number
JP646279A
Other languages
Japanese (ja)
Other versions
JPS6129254B2 (en
Inventor
Minoru Yasuhara
Masahiro Tokumaru
Yoshikazu Marushita
Toshiyuki Ishiyasu
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.)
Sekisui Chemical Co Ltd
Original Assignee
Sekisui Chemical 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 Sekisui Chemical Co Ltd filed Critical Sekisui Chemical Co Ltd
Priority to JP646279A priority Critical patent/JPS5597927A/en
Publication of JPS5597927A publication Critical patent/JPS5597927A/en
Publication of JPS6129254B2 publication Critical patent/JPS6129254B2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Moulding By Coating Moulds (AREA)

Abstract

PURPOSE: To prevent rapid deterioration at the inner surface protecting layer by forming in such a manner that the core mold is wrapped with a belt-like body containing a nonwoven cloth, a short fiber group and resin while the resin is half- hardened after the defoaming thereof under a strong pressure.
CONSTITUTION: The core mold 1 is wound with a mold releasing material 2 such as cellophane tape and then, wrapped with a belt-like body having a glass fiber nonwoven cloth impregnated with a resin. Chopped strands 42 of a glass fiber previously impregnated with a resin are scattered on a glass fiber nonwoven cloth 41. Then, the nonwoven cloth is molded into a belt defoaming thereof pinched with a molding roll 5, and fully defoamed being squeezed between defoaming belts 6. Subsequently, the belt-like body 4 is wrapped over a belt-like body 4 thus formed while the resin is half-hardened with a hardening promoting device 7 to form an inner surface protecting layer B. An inner surface reinforcing resin layer 9 is formed on the layer 8 and an intermediate layer 10 done thereon. An outer surface reinforcing resin layer 11 is formed on the intermediate layer 10. The product is passed through a hardening furnace 12 and then the core mold 1 is withdrawn. Thus, a composite tube having an inner surface protecting layer 8 is obtained.
COPYRIGHT: (C)1980,JPO&Japio
JP646279A 1979-01-22 1979-01-22 Production of composite tube Granted JPS5597927A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP646279A JPS5597927A (en) 1979-01-22 1979-01-22 Production of composite tube

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP646279A JPS5597927A (en) 1979-01-22 1979-01-22 Production of composite tube

Publications (2)

Publication Number Publication Date
JPS5597927A true JPS5597927A (en) 1980-07-25
JPS6129254B2 JPS6129254B2 (en) 1986-07-05

Family

ID=11639100

Family Applications (1)

Application Number Title Priority Date Filing Date
JP646279A Granted JPS5597927A (en) 1979-01-22 1979-01-22 Production of composite tube

Country Status (1)

Country Link
JP (1) JPS5597927A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0568353A (en) * 1991-09-06 1993-03-19 Hitachi Ltd Brush holder for dc motor

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0568353A (en) * 1991-09-06 1993-03-19 Hitachi Ltd Brush holder for dc motor

Also Published As

Publication number Publication date
JPS6129254B2 (en) 1986-07-05

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