JPS6441788U - - Google Patents

Info

Publication number
JPS6441788U
JPS6441788U JP11428488U JP11428488U JPS6441788U JP S6441788 U JPS6441788 U JP S6441788U JP 11428488 U JP11428488 U JP 11428488U JP 11428488 U JP11428488 U JP 11428488U JP S6441788 U JPS6441788 U JP S6441788U
Authority
JP
Japan
Prior art keywords
steel collar
hume tube
groove
tube body
grooves
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
JP11428488U
Other languages
English (en)
Japanese (ja)
Other versions
JPH0516479Y2 (US07714131-20100511-C00001.png
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 filed Critical
Priority to JP1988114284U priority Critical patent/JPH0516479Y2/ja
Publication of JPS6441788U publication Critical patent/JPS6441788U/ja
Application granted granted Critical
Publication of JPH0516479Y2 publication Critical patent/JPH0516479Y2/ja
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Landscapes

  • Excavating Of Shafts Or Tunnels (AREA)
  • Joints With Sleeves (AREA)
JP1988114284U 1988-08-31 1988-08-31 Expired - Lifetime JPH0516479Y2 (US07714131-20100511-C00001.png)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1988114284U JPH0516479Y2 (US07714131-20100511-C00001.png) 1988-08-31 1988-08-31

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1988114284U JPH0516479Y2 (US07714131-20100511-C00001.png) 1988-08-31 1988-08-31

Publications (2)

Publication Number Publication Date
JPS6441788U true JPS6441788U (US07714131-20100511-C00001.png) 1989-03-13
JPH0516479Y2 JPH0516479Y2 (US07714131-20100511-C00001.png) 1993-04-30

Family

ID=31354889

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1988114284U Expired - Lifetime JPH0516479Y2 (US07714131-20100511-C00001.png) 1988-08-31 1988-08-31

Country Status (1)

Country Link
JP (1) JPH0516479Y2 (US07714131-20100511-C00001.png)

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS57175884U (US07714131-20100511-C00001.png) * 1981-04-30 1982-11-06
JPS57205478U (US07714131-20100511-C00001.png) * 1981-06-24 1982-12-27

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS57175884U (US07714131-20100511-C00001.png) * 1981-04-30 1982-11-06
JPS57205478U (US07714131-20100511-C00001.png) * 1981-06-24 1982-12-27

Also Published As

Publication number Publication date
JPH0516479Y2 (US07714131-20100511-C00001.png) 1993-04-30

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