JPS56126115A - Secondary forming method of diametrically expanded socket having annular groove - Google Patents

Secondary forming method of diametrically expanded socket having annular groove

Info

Publication number
JPS56126115A
JPS56126115A JP2968580A JP2968580A JPS56126115A JP S56126115 A JPS56126115 A JP S56126115A JP 2968580 A JP2968580 A JP 2968580A JP 2968580 A JP2968580 A JP 2968580A JP S56126115 A JPS56126115 A JP S56126115A
Authority
JP
Japan
Prior art keywords
forming
forming section
main body
mold
section
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
JP2968580A
Other languages
Japanese (ja)
Inventor
Ryozo Oota
Junsuke Kyomen
Masayuki Sakaguchi
Yoshiaki Aoki
Ryuichi Yoneda
Kenzo Nishitani
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.)
Kubota Corp
Original Assignee
Kubota 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 Kubota Corp filed Critical Kubota Corp
Priority to JP2968580A priority Critical patent/JPS56126115A/en
Publication of JPS56126115A publication Critical patent/JPS56126115A/en
Pending legal-status Critical Current

Links

Landscapes

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

Abstract

PURPOSE: To rationalize the secondary forming of the diametrically expanded socket remarkably and obtain a product good in accuracy at a low cost by a method wherein a pipe end inserted into a forming mold constituted as an intrusion type forming mold for secondary forming is molten and configured by a heating means to make the pipe end display a thermoelastic function.
CONSTITUTION: When the intrusion forming of a fusion forming section 12a is finished, heating devices 8d, 9b are switched so as to hold a conditional temperature in the area of thermoelastic condition and an outer mold 9 at the socket side is released into a direction A. When the temperature of the fusion forming section 12a is arrived at the temperature of thermoplastic condition, a core main body 6 and a slidable core 8 are moved into directions B, C simultaneously to release the section 12a. The forming section 12a deformed already is restored immediately and the internal surface of the opening of the fusion forming section 12a is regulated by a large diametral forming section 6b of the core main body. Under this condition, heating of the core main body 6 and a split mold 10 is stopped or cooling medium is circulated thereby hardening the resin positively.
COPYRIGHT: (C)1981,JPO&Japio
JP2968580A 1980-03-07 1980-03-07 Secondary forming method of diametrically expanded socket having annular groove Pending JPS56126115A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2968580A JPS56126115A (en) 1980-03-07 1980-03-07 Secondary forming method of diametrically expanded socket having annular groove

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2968580A JPS56126115A (en) 1980-03-07 1980-03-07 Secondary forming method of diametrically expanded socket having annular groove

Publications (1)

Publication Number Publication Date
JPS56126115A true JPS56126115A (en) 1981-10-02

Family

ID=12282957

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2968580A Pending JPS56126115A (en) 1980-03-07 1980-03-07 Secondary forming method of diametrically expanded socket having annular groove

Country Status (1)

Country Link
JP (1) JPS56126115A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20120090772A1 (en) * 2010-10-15 2012-04-19 Abb Technology Ag Mold for producing hollow-cylinder-like molded parts

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5216565A (en) * 1975-07-29 1977-02-07 Anger Anton Maschbau Method of making joint of synthetic resin material and mold for injection molding

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5216565A (en) * 1975-07-29 1977-02-07 Anger Anton Maschbau Method of making joint of synthetic resin material and mold for injection molding

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20120090772A1 (en) * 2010-10-15 2012-04-19 Abb Technology Ag Mold for producing hollow-cylinder-like molded parts
US8444796B2 (en) * 2010-10-15 2013-05-21 Abb Technology Ag Mold for producing hollow-cylinder-like molded parts

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