JPS51122602A - Device for restricting dusts at long wall coal mining face - Google Patents

Device for restricting dusts at long wall coal mining face

Info

Publication number
JPS51122602A
JPS51122602A JP50048448A JP4844875A JPS51122602A JP S51122602 A JPS51122602 A JP S51122602A JP 50048448 A JP50048448 A JP 50048448A JP 4844875 A JP4844875 A JP 4844875A JP S51122602 A JPS51122602 A JP S51122602A
Authority
JP
Japan
Prior art keywords
dusts
restricting
coal mining
mining face
long wall
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
JP50048448A
Other languages
Japanese (ja)
Other versions
JPS5346166B2 (en
Inventor
Shigeo Nakajima
Takeshi Takahashi
Tsunetoshi Itou
Hajime Endou
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.)
Taiheiyo Engineering Corp
Original Assignee
Taiheiyo Engineering Corp
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 Taiheiyo Engineering Corp filed Critical Taiheiyo Engineering Corp
Priority to JP50048448A priority Critical patent/JPS51122602A/en
Publication of JPS51122602A publication Critical patent/JPS51122602A/en
Publication of JPS5346166B2 publication Critical patent/JPS5346166B2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Drilling And Exploitation, And Mining Machines And Methods (AREA)
  • Lining And Supports For Tunnels (AREA)
JP50048448A 1975-04-21 1975-04-21 Device for restricting dusts at long wall coal mining face Granted JPS51122602A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP50048448A JPS51122602A (en) 1975-04-21 1975-04-21 Device for restricting dusts at long wall coal mining face

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP50048448A JPS51122602A (en) 1975-04-21 1975-04-21 Device for restricting dusts at long wall coal mining face

Publications (2)

Publication Number Publication Date
JPS51122602A true JPS51122602A (en) 1976-10-26
JPS5346166B2 JPS5346166B2 (en) 1978-12-12

Family

ID=12803617

Family Applications (1)

Application Number Title Priority Date Filing Date
JP50048448A Granted JPS51122602A (en) 1975-04-21 1975-04-21 Device for restricting dusts at long wall coal mining face

Country Status (1)

Country Link
JP (1) JPS51122602A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2021227238A1 (en) * 2020-05-28 2021-11-18 安徽理工大学 Gas-liquid spraying and dust suppression system for fully mechanized mining face

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5528654A (en) * 1978-08-22 1980-02-29 Fujitsu Ltd Am demodulation circuit
JPS5533376A (en) * 1978-08-30 1980-03-08 Fujitsu Ltd Frequency discriminator circuit
JPS6333471U (en) * 1987-07-23 1988-03-03
CN104100264A (en) * 2014-07-31 2014-10-15 哈尔滨通用液压机械制造有限公司 Drum shearer with protecting function for long-wall mining

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2021227238A1 (en) * 2020-05-28 2021-11-18 安徽理工大学 Gas-liquid spraying and dust suppression system for fully mechanized mining face
US11873719B2 (en) 2020-05-28 2024-01-16 Anhui University of Science and Technology Gas-liquid spray dust settlement system for fully mechanized mining face

Also Published As

Publication number Publication date
JPS5346166B2 (en) 1978-12-12

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