JP2517475Y2 - 掘削機のシール装置 - Google Patents

掘削機のシール装置

Info

Publication number
JP2517475Y2
JP2517475Y2 JP1990069475U JP6947590U JP2517475Y2 JP 2517475 Y2 JP2517475 Y2 JP 2517475Y2 JP 1990069475 U JP1990069475 U JP 1990069475U JP 6947590 U JP6947590 U JP 6947590U JP 2517475 Y2 JP2517475 Y2 JP 2517475Y2
Authority
JP
Japan
Prior art keywords
seal
pressure chamber
group
stage
seal group
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.)
Expired - Lifetime
Application number
JP1990069475U
Other languages
English (en)
Japanese (ja)
Other versions
JPH0430191U (enrdf_load_stackoverflow
Inventor
俊文 河西
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.)
Nippon Mektron KK
Original Assignee
Nippon Mektron KK
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 Nippon Mektron KK filed Critical Nippon Mektron KK
Priority to JP1990069475U priority Critical patent/JP2517475Y2/ja
Publication of JPH0430191U publication Critical patent/JPH0430191U/ja
Application granted granted Critical
Publication of JP2517475Y2 publication Critical patent/JP2517475Y2/ja
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Landscapes

  • Excavating Of Shafts Or Tunnels (AREA)
  • Sealing With Elastic Sealing Lips (AREA)
JP1990069475U 1990-06-29 1990-06-29 掘削機のシール装置 Expired - Lifetime JP2517475Y2 (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1990069475U JP2517475Y2 (ja) 1990-06-29 1990-06-29 掘削機のシール装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1990069475U JP2517475Y2 (ja) 1990-06-29 1990-06-29 掘削機のシール装置

Publications (2)

Publication Number Publication Date
JPH0430191U JPH0430191U (enrdf_load_stackoverflow) 1992-03-11
JP2517475Y2 true JP2517475Y2 (ja) 1996-11-20

Family

ID=31604809

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1990069475U Expired - Lifetime JP2517475Y2 (ja) 1990-06-29 1990-06-29 掘削機のシール装置

Country Status (1)

Country Link
JP (1) JP2517475Y2 (enrdf_load_stackoverflow)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP7391760B2 (ja) * 2020-05-13 2023-12-05 地中空間開発株式会社 トンネル掘削機およびその運転方法

Also Published As

Publication number Publication date
JPH0430191U (enrdf_load_stackoverflow) 1992-03-11

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