JPS642734A - Production of joint hardware for deformed steel bar and its device - Google Patents

Production of joint hardware for deformed steel bar and its device

Info

Publication number
JPS642734A
JPS642734A JP62155936A JP15593687A JPS642734A JP S642734 A JPS642734 A JP S642734A JP 62155936 A JP62155936 A JP 62155936A JP 15593687 A JP15593687 A JP 15593687A JP S642734 A JPS642734 A JP S642734A
Authority
JP
Japan
Prior art keywords
tubular body
shape
joint hardware
parts
closed
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
JP62155936A
Other languages
Japanese (ja)
Other versions
JPH012734A (en
JPH0248332B2 (en
Inventor
Yoshio Kasai
Shigeru Usami
Kozo Toyama
Shin Terauchi
Koki Wami
Shigeo Watanabe
Yasunobu Shiraishi
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.)
Kajima Corp
Original Assignee
Kajima 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 Kajima Corp filed Critical Kajima Corp
Priority to JP62-155936A priority Critical patent/JPH012734A/en
Priority claimed from JP62-155936A external-priority patent/JPH012734A/en
Publication of JPS642734A publication Critical patent/JPS642734A/en
Publication of JPH012734A publication Critical patent/JPH012734A/en
Publication of JPH0248332B2 publication Critical patent/JPH0248332B2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Reinforcement Elements For Buildings (AREA)
  • Shaping Metal By Deep-Drawing, Or The Like (AREA)

Abstract

PURPOSE: To easily and surely form the projecting part for increasing the adhesion force of a packing material by inserting the tubular body for a joint hardware to the shape that plural projecting bar parts are formed on the inner face and pouring a super high pressure water inside the tubular body.
CONSTITUTION: The tubular body 5 for a joint hardware is inserted into the inner part of a shape 4, urethane is expanded by compressing the urethane of both closed parts 6, 6 and both end parts of the tubular body 5 are closed. When an extra high pressure water is poured into a feeding hole 10 from a center hole jack 14 side, it is poured between both closed parts 6, 6 inside the tubular body 5 from each pouring hole 7. And when the water pressure inside the tubular body 5 is increased, the tubular body 5 is pressed and deformed along the shape of the shape 4. The tubular body 5 is thus made a joint hardware with the plural projecting part for increasing the adhesion force of a packing material corresponding to the projecting bar part 2 of the shape 4 being formed on its inner face.
COPYRIGHT: (C)1989,JPO&Japio
JP62-155936A 1987-06-23 Manufacturing method and device for joint metal fittings for deformed steel bars Granted JPH012734A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP62-155936A JPH012734A (en) 1987-06-23 Manufacturing method and device for joint metal fittings for deformed steel bars

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP62-155936A JPH012734A (en) 1987-06-23 Manufacturing method and device for joint metal fittings for deformed steel bars

Publications (3)

Publication Number Publication Date
JPS642734A true JPS642734A (en) 1989-01-06
JPH012734A JPH012734A (en) 1989-01-06
JPH0248332B2 JPH0248332B2 (en) 1990-10-24

Family

ID=

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2011000617A (en) * 2009-06-19 2011-01-06 Nippon Steel Corp Device and method for hot press-forming metallic pipe
JP2011020137A (en) * 2009-07-15 2011-02-03 Nippon Steel Corp Hot forming apparatus for metal tube and hot forming method using the same

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4834925U (en) * 1971-08-26 1973-04-26
JPS4841428U (en) * 1971-09-20 1973-05-26

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4834925U (en) * 1971-08-26 1973-04-26
JPS4841428U (en) * 1971-09-20 1973-05-26

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2011000617A (en) * 2009-06-19 2011-01-06 Nippon Steel Corp Device and method for hot press-forming metallic pipe
JP2011020137A (en) * 2009-07-15 2011-02-03 Nippon Steel Corp Hot forming apparatus for metal tube and hot forming method using the same

Also Published As

Publication number Publication date
JPH0248332B2 (en) 1990-10-24

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