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 (de
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

  • Joints With Sleeves (AREA)
  • Excavating Of Shafts Or Tunnels (AREA)
JP1988114284U 1988-08-31 1988-08-31 Expired - Lifetime JPH0516479Y2 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1988114284U JPH0516479Y2 (de) 1988-08-31 1988-08-31

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1988114284U JPH0516479Y2 (de) 1988-08-31 1988-08-31

Publications (2)

Publication Number Publication Date
JPS6441788U true JPS6441788U (de) 1989-03-13
JPH0516479Y2 JPH0516479Y2 (de) 1993-04-30

Family

ID=31354889

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1988114284U Expired - Lifetime JPH0516479Y2 (de) 1988-08-31 1988-08-31

Country Status (1)

Country Link
JP (1) JPH0516479Y2 (de)

Citations (2)

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

Also Published As

Publication number Publication date
JPH0516479Y2 (de) 1993-04-30

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