FR2455673B2 - CONTROL DEVICE FOR HYDRAULIC SUPPORT IN THE FORM OF STANDARDS OR THE LIKE - Google Patents

CONTROL DEVICE FOR HYDRAULIC SUPPORT IN THE FORM OF STANDARDS OR THE LIKE

Info

Publication number: FR2455673B2
Authority: FR; France
Prior art keywords: standards; control device; hydraulic support; hydraulic; support
Prior art date: 1979-04-12
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

FR8007948A

Other languages

French (fr)

Other versions

FR2455673A2 (en

Inventor

Klaus Beckmann

Hans-Theodor Grisebach

Walter Weirich

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.)

Gewerkschaft Eisenhutte Westfalia GmbH

Original Assignee

Gewerkschaft Eisenhutte Westfalia GmbH

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.)

1979-04-12

Filing date

1980-04-09

Publication date

1987-05-07

1980-04-09 Application filed by Gewerkschaft Eisenhutte Westfalia GmbH filed Critical Gewerkschaft Eisenhutte Westfalia GmbH

1980-11-28 Publication of FR2455673A2 publication Critical patent/FR2455673A2/en

1987-05-07 Application granted granted Critical

1987-05-07 Publication of FR2455673B2 publication Critical patent/FR2455673B2/en

Status Expired legal-status Critical Current

Links

Classifications

- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D23/00—Mine roof supports for step- by- step movement, e.g. in combination with provisions for shifting of conveyors, mining machines, or guides therefor
- E21D23/16—Hydraulic or pneumatic features, e.g. circuits, arrangement or adaptation of valves, setting or retracting devices
- E21D23/26—Hydraulic or pneumatic control
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D23/00—Mine roof supports for step- by- step movement, e.g. in combination with provisions for shifting of conveyors, mining machines, or guides therefor
- E21D23/16—Hydraulic or pneumatic features, e.g. circuits, arrangement or adaptation of valves, setting or retracting devices

Landscapes

Engineering & Computer Science (AREA)
Mining & Mineral Resources (AREA)
Life Sciences & Earth Sciences (AREA)
General Life Sciences & Earth Sciences (AREA)
Geochemistry & Mineralogy (AREA)
Geology (AREA)
Safety Valves (AREA)
Fluid-Pressure Circuits (AREA)
Control Of Presses (AREA)

FR8007948A 1979-04-12 1980-04-09 CONTROL DEVICE FOR HYDRAULIC SUPPORT IN THE FORM OF STANDARDS OR THE LIKE Expired FR2455673B2 (en)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
DE2914884A DE2914884C2 (en)	1979-04-12	1979-04-12	Control device for a hydraulic ram removal with associated automatic repositioning

Publications (2)

Publication Number	Publication Date
FR2455673A2 FR2455673A2 (en)	1980-11-28
FR2455673B2 true FR2455673B2 (en)	1987-05-07

Family

ID=6068183

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
FR8007948A Expired FR2455673B2 (en)	1979-04-12	1980-04-09	CONTROL DEVICE FOR HYDRAULIC SUPPORT IN THE FORM OF STANDARDS OR THE LIKE

Country Status (8)

Country	Link
AU (1)	AU533562B2 (en)
BE (1)	BE882725A (en)
CA (1)	CA1138303A (en)
DE (1)	DE2914884C2 (en)
FR (1)	FR2455673B2 (en)
GB (2)	GB2047316B (en)
PL (1)	PL125322B1 (en)
ZA (1)	ZA802130B (en)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
DE3128279A1 (en) *	1981-07-17	1983-02-03	Gewerkschaft Eisenhütte Westfalia, 4670 Lünen	ADJUSTMENT CONTROL FOR A HYDRAULIC STAMP EXTENSION AND HYDRAULICALLY CONTROLLED CHECK VALVE
DE3212747A1 (en) *	1982-04-06	1983-10-06	Gewerk Eisenhuette Westfalia	DEVICE FOR STROKE CONTROL OF A CYLINDER GROUP OF A HYDRAULIC REMOVAL SYSTEM, IN PARTICULAR FOR SETTING THE STAMP OF A SCREAM REMOVAL UNIT
DE3301674C1 (en) *	1983-01-20	1984-01-05	Hermann Hemscheidt Maschinenfabrik Gmbh & Co, 5600 Wuppertal	Control system for hydraulic stamps on walking frames
GB2137314B (en) *	1983-03-26	1986-07-23	Dobson Park Ind	Valve for mine support
PL146170B1 (en) *	1984-12-10	1989-01-31	Ct Kt Maszyn Gorniczych Komag	Apparatus for changing curability and mineablity of a mineral deposit
DE3546278C1 (en) *	1985-12-28	1987-07-02	Bergwerksverband Gmbh	Repositioning control for longwall construction
DE3931625C1 (en) *	1989-09-22	1990-08-09	Hermann Hemscheidt Maschinenfabrik Gmbh & Co, 5600 Wuppertal, De	Underground mine roof support - maintains constant residual pressure during advance
GB9009859D0 (en) *	1990-05-02	1990-06-27	Meco Mining Equip	A mine roof support
GB2274325B (en) *	1993-01-13	1996-04-03	Meco Mining Equip	A yield valve
CN103775115A (en) *	2014-01-21	2014-05-07	焦作欣扬程煤矿设备有限公司	Side-sway shifting vertical pressure cylinder machine

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
GB1024167A (en) *	1964-02-14	1966-03-30	Dowty Mining Equipment Ltd	Roof support assembly suitable for use in mines
GB1135942A (en) *	1964-12-07	1968-12-11	Groetschel Karl Maria	Improvements relating to roof supports for mine workings
GB1180578A (en) *	1967-03-06	1970-02-04	Podmoskovny G Pk I Exi Gornogo	Advancing Mine Roof Supports
DE1290109B (en) *	1967-10-21	1969-03-06	Gewerk Eisenhuette Westfalia	Stamp for expansion or bracing in the face / route transition
DE1750834A1 (en) *	1968-06-10	1971-04-29	Gewerk Eisenhuette Westfalia	Pressure relief valve cartridge with piston O-ring seal
DE2146502C3 (en) *	1971-09-17	1982-04-29	Gewerkschaft Eisenhütte Westfalia, 4670 Lünen	Valve arrangement for setting hydraulic pit rams with high setting force
DE2749312C2 (en) *	1977-11-04	1984-12-20	Gewerkschaft Eisenhütte Westfalia, 4670 Lünen	Control device with automatic repositioning for hydraulic ram removal
DE2803283C2 (en) *	1978-01-26	1992-12-10	Gewerkschaft Eisenhütte Westfalia, 4670 Lünen	Pressure relief valve for hydraulic pit rams

1979
- 1979-04-12 DE DE2914884A patent/DE2914884C2/en not_active Expired
1980
- 1980-04-01 CA CA000348972A patent/CA1138303A/en not_active Expired
- 1980-04-02 AU AU57100/80A patent/AU533562B2/en not_active Ceased
- 1980-04-08 GB GB8011620A patent/GB2047316B/en not_active Expired
- 1980-04-08 GB GB8215240A patent/GB2096223B/en not_active Expired
- 1980-04-09 FR FR8007948A patent/FR2455673B2/en not_active Expired
- 1980-04-09 PL PL1980223346A patent/PL125322B1/en unknown
- 1980-04-10 BE BE0/200176A patent/BE882725A/en not_active IP Right Cessation
- 1980-04-10 ZA ZA00802130A patent/ZA802130B/en unknown

Also Published As

Publication number	Publication date
AU533562B2 (en)	1983-12-01
DE2914884C2 (en)	1987-05-14
AU5710080A (en)	1980-10-16
DE2914884A1 (en)	1980-10-30
BE882725A (en)	1980-07-31
CA1138303A (en)	1982-12-28
GB2047316B (en)	1983-04-20
PL125322B1 (en)	1983-04-30
GB2096223A (en)	1982-10-13
GB2047316A (en)	1980-11-26
GB2096223B (en)	1983-05-11
ZA802130B (en)	1981-05-27
PL223346A1 (en)	1981-01-30
FR2455673A2 (en)	1980-11-28

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