JPS574755A - Production of belt-shaped hollow body - Google Patents

Production of belt-shaped hollow body

Info

Publication number
JPS574755A
JPS574755A JP7874780A JP7874780A JPS574755A JP S574755 A JPS574755 A JP S574755A JP 7874780 A JP7874780 A JP 7874780A JP 7874780 A JP7874780 A JP 7874780A JP S574755 A JPS574755 A JP S574755A
Authority
JP
Japan
Prior art keywords
belt
unvulcanized
vulcanized
shaped
shaped hollow
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
JP7874780A
Other languages
Japanese (ja)
Other versions
JPS5838104B2 (en
Inventor
Tatsuo Arai
Shigeyasu Tanaka
Eiji Suzuki
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.)
SUZUEI KK
Yokohama Rubber Co Ltd
Original Assignee
SUZUEI KK
Yokohama Rubber 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 SUZUEI KK, Yokohama Rubber Co Ltd filed Critical SUZUEI KK
Priority to JP7874780A priority Critical patent/JPS5838104B2/en
Publication of JPS574755A publication Critical patent/JPS574755A/en
Publication of JPS5838104B2 publication Critical patent/JPS5838104B2/en
Expired legal-status Critical Current

Links

Landscapes

  • Laminated Bodies (AREA)
  • Shaping Of Tube Ends By Bending Or Straightening (AREA)

Abstract

PURPOSE: To facilitate the manufacture of a belt-shaped hollow body by forcing a pressure medium into a core which is made of several unvulcanized rubber sheets varied in the adhesivity laminated and then, vulcanized being wrapped with a belt- shaped hollow construction member in layers.
CONSTITUTION: An unvulcanized inner layer rubber 3 and an unvulcanized rubber cloth sheet 2a are laid on a sheet-shaped molded core 41 made of several unvulcanized rubber sheets 4a ane 4b varied in adhesivity sequentially one upon another wrapping it in such a manner as to be folded at right and left ends thereof. In addition, an unvulcanized rubber-coated sheet 2b is laidethereon with right and left ends folded covering it and covered with an unvulcanized outer layer rubber 1 to form an unvulcanized belt-shaped molding E1a, which is vulcanized to obtain a vulcanized belt-shaped molding E1A. A pressure medium is forced between composition layers 4A and 4B of the vulcanized core of the molding E1A through a nipple at both ends thereof to separate the composition layers 4A and 4B to form a hollow section. Thus, a belt-shaped hollow body E1 is obtained.
COPYRIGHT: (C)1982,JPO&Japio
JP7874780A 1980-06-11 1980-06-11 Method for manufacturing a belt-shaped hollow body Expired JPS5838104B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP7874780A JPS5838104B2 (en) 1980-06-11 1980-06-11 Method for manufacturing a belt-shaped hollow body

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP7874780A JPS5838104B2 (en) 1980-06-11 1980-06-11 Method for manufacturing a belt-shaped hollow body

Publications (2)

Publication Number Publication Date
JPS574755A true JPS574755A (en) 1982-01-11
JPS5838104B2 JPS5838104B2 (en) 1983-08-20

Family

ID=13670475

Family Applications (1)

Application Number Title Priority Date Filing Date
JP7874780A Expired JPS5838104B2 (en) 1980-06-11 1980-06-11 Method for manufacturing a belt-shaped hollow body

Country Status (1)

Country Link
JP (1) JPS5838104B2 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2003027450A (en) * 2001-07-17 2003-01-29 Yokohama Rubber Co Ltd:The Manufacturing method for rubber weir

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2003027450A (en) * 2001-07-17 2003-01-29 Yokohama Rubber Co Ltd:The Manufacturing method for rubber weir

Also Published As

Publication number Publication date
JPS5838104B2 (en) 1983-08-20

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