JPS56135014A - Mold releasing of uncured pipe - Google Patents

Mold releasing of uncured pipe

Info

Publication number
JPS56135014A
JPS56135014A JP3857180A JP3857180A JPS56135014A JP S56135014 A JPS56135014 A JP S56135014A JP 3857180 A JP3857180 A JP 3857180A JP 3857180 A JP3857180 A JP 3857180A JP S56135014 A JPS56135014 A JP S56135014A
Authority
JP
Japan
Prior art keywords
tube
pipe
uncured
uncured pipe
air
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
JP3857180A
Other languages
Japanese (ja)
Other versions
JPS5954012B2 (en
Inventor
Masahiko Yamamoto
Yoshinori Nishino
Tomio Ebisu
Masao Wada
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.)
Hitachi Zosen Corp
Original Assignee
Hitachi Zosen Corp
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 Hitachi Zosen Corp filed Critical Hitachi Zosen Corp
Priority to JP3857180A priority Critical patent/JPS5954012B2/en
Publication of JPS56135014A publication Critical patent/JPS56135014A/en
Publication of JPS5954012B2 publication Critical patent/JPS5954012B2/en
Expired legal-status Critical Current

Links

Landscapes

  • Moulding By Coating Moulds (AREA)
  • Moulds For Moulding Plastics Or The Like (AREA)
  • Lining Or Joining Of Plastics Or The Like (AREA)
  • Manufacturing Of Tubular Articles Or Embedded Moulded Articles (AREA)

Abstract

PURPOSE: To prevent the infiltration of air inbetween the uncured pipe and a tube by a method wherein abutting is effected from one end to the other end of the uncured pipe sequentially in case the tube is abutted against the uncured pipe molded by rotational molding in order to effect the mold releasing.
CONSTITUTION: A feedig pipe 5 into which the film tube 9 is inserted, is inserted into the uncured pipe 2 molded on a rotary mold 1 by the rotational molding and the end of the tube 9 is connected to an air introducing device 12. The tube 9 is taken out under withdrawing the feeding pipe 5 and, in this case, air is introduced into the tube 9 from the air introducing device 12 to inflate it while the tube 9 is abutted against the uncured pipe 2 from one end to the other end thereof sequentially. According to this method, the infiltration of air inbetween the internal surface of the uncured pipe 2 and the film tube 9 may be prevented.
COPYRIGHT: (C)1981,JPO&Japio
JP3857180A 1980-03-25 1980-03-25 How to demold uncured tubes Expired JPS5954012B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP3857180A JPS5954012B2 (en) 1980-03-25 1980-03-25 How to demold uncured tubes

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP3857180A JPS5954012B2 (en) 1980-03-25 1980-03-25 How to demold uncured tubes

Publications (2)

Publication Number Publication Date
JPS56135014A true JPS56135014A (en) 1981-10-22
JPS5954012B2 JPS5954012B2 (en) 1984-12-27

Family

ID=12528974

Family Applications (1)

Application Number Title Priority Date Filing Date
JP3857180A Expired JPS5954012B2 (en) 1980-03-25 1980-03-25 How to demold uncured tubes

Country Status (1)

Country Link
JP (1) JPS5954012B2 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS60233430A (en) * 1984-05-04 1985-11-20 Toto Ltd Piping system for water cock

Also Published As

Publication number Publication date
JPS5954012B2 (en) 1984-12-27

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