JPH0242996U - - Google Patents

Info

Publication number
JPH0242996U
JPH0242996U JP11879888U JP11879888U JPH0242996U JP H0242996 U JPH0242996 U JP H0242996U JP 11879888 U JP11879888 U JP 11879888U JP 11879888 U JP11879888 U JP 11879888U JP H0242996 U JPH0242996 U JP H0242996U
Authority
JP
Japan
Prior art keywords
plate
shaft wall
sealing plate
hole
hollow body
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
JP11879888U
Other languages
English (en)
Japanese (ja)
Other versions
JP2537874Y2 (ja
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 JP1988118798U priority Critical patent/JP2537874Y2/ja
Publication of JPH0242996U publication Critical patent/JPH0242996U/ja
Application granted granted Critical
Publication of JP2537874Y2 publication Critical patent/JP2537874Y2/ja
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

JP1988118798U 1988-09-12 1988-09-12 シール装置 Expired - Lifetime JP2537874Y2 (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1988118798U JP2537874Y2 (ja) 1988-09-12 1988-09-12 シール装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1988118798U JP2537874Y2 (ja) 1988-09-12 1988-09-12 シール装置

Publications (2)

Publication Number Publication Date
JPH0242996U true JPH0242996U (pm) 1990-03-26
JP2537874Y2 JP2537874Y2 (ja) 1997-06-04

Family

ID=31363461

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1988118798U Expired - Lifetime JP2537874Y2 (ja) 1988-09-12 1988-09-12 シール装置

Country Status (1)

Country Link
JP (1) JP2537874Y2 (pm)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20010000300A (ko) * 2000-09-07 2001-01-05 이정우 발진구 및 도달구에 있어서의 단독 또는 겸용 실 장치

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5791894U (pm) * 1980-11-26 1982-06-05
JPS60148994A (ja) * 1984-01-10 1985-08-06 太陽鉄工株式会社 発進口のシ−ル構造
JPS61237796A (ja) * 1985-04-12 1986-10-23 飛島建設株式会社 推進工法における発進坑口の防護装置とそれを使用した推進工法

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5791894U (pm) * 1980-11-26 1982-06-05
JPS60148994A (ja) * 1984-01-10 1985-08-06 太陽鉄工株式会社 発進口のシ−ル構造
JPS61237796A (ja) * 1985-04-12 1986-10-23 飛島建設株式会社 推進工法における発進坑口の防護装置とそれを使用した推進工法

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20010000300A (ko) * 2000-09-07 2001-01-05 이정우 발진구 및 도달구에 있어서의 단독 또는 겸용 실 장치

Also Published As

Publication number Publication date
JP2537874Y2 (ja) 1997-06-04

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