JPS5912317Y2 - 通気孔切削用穿孔機を有する切羽コンベヤ - Google Patents

通気孔切削用穿孔機を有する切羽コンベヤ

Info

Publication number
JPS5912317Y2
JPS5912317Y2 JP1978160285U JP16028578U JPS5912317Y2 JP S5912317 Y2 JPS5912317 Y2 JP S5912317Y2 JP 1978160285 U JP1978160285 U JP 1978160285U JP 16028578 U JP16028578 U JP 16028578U JP S5912317 Y2 JPS5912317 Y2 JP S5912317Y2
Authority
JP
Japan
Prior art keywords
arm
face conveyor
ventilation holes
perforator
cutting
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
Application number
JP1978160285U
Other languages
English (en)
Japanese (ja)
Other versions
JPS5576294U (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html
Inventor
昭治 井形
Original Assignee
株式会社三井三池製作所
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 株式会社三井三池製作所 filed Critical 株式会社三井三池製作所
Priority to JP1978160285U priority Critical patent/JPS5912317Y2/ja
Publication of JPS5576294U publication Critical patent/JPS5576294U/ja
Application granted granted Critical
Publication of JPS5912317Y2 publication Critical patent/JPS5912317Y2/ja
Expired legal-status Critical Current

Links

Landscapes

  • Drilling And Exploitation, And Mining Machines And Methods (AREA)
JP1978160285U 1978-11-21 1978-11-21 通気孔切削用穿孔機を有する切羽コンベヤ Expired JPS5912317Y2 (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1978160285U JPS5912317Y2 (ja) 1978-11-21 1978-11-21 通気孔切削用穿孔機を有する切羽コンベヤ

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1978160285U JPS5912317Y2 (ja) 1978-11-21 1978-11-21 通気孔切削用穿孔機を有する切羽コンベヤ

Publications (2)

Publication Number Publication Date
JPS5576294U JPS5576294U (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1980-05-26
JPS5912317Y2 true JPS5912317Y2 (ja) 1984-04-13

Family

ID=29153898

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1978160285U Expired JPS5912317Y2 (ja) 1978-11-21 1978-11-21 通気孔切削用穿孔機を有する切羽コンベヤ

Country Status (1)

Country Link
JP (1) JPS5912317Y2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2300605B2 (de) * 1973-01-08 1976-07-15 Gebr. Eickhoff, Maschinenfabrik U. Eisengiesserei Mbh, 4630 Bochum Vortriebsmaschine zum auffahren von strecken o.dgl.

Also Published As

Publication number Publication date
JPS5576294U (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1980-05-26

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