AT239727B - Rückbare Abstützvorrichtung für den wandernden Strebausbau - Google Patents

Rückbare Abstützvorrichtung für den wandernden Strebausbau

Info

Publication number: AT239727B
Authority: AT; Austria
Prior art keywords: moving; support device; retractable support; longwall mining; longwall
Prior art date: 1960-04-01

Application number

AT186561A

Other languages

English (en)

Inventor

Karl Maria Dipl Ing Groetschel

Original Assignee

Karl Maria Dipl Ing Groetschel

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.)

1960-04-01

Filing date

1961-03-07

Publication date

1965-04-26

1960-07-28 Priority claimed from DEG30180A external-priority patent/DE1158467B/de

1961-03-07 Application filed by Karl Maria Dipl Ing Groetschel filed Critical Karl Maria Dipl Ing Groetschel

1965-04-26 Application granted granted Critical

1965-04-26 Publication of AT239727B publication Critical patent/AT239727B/de

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
- E21D23/006—Mine roof supports for step- by- step movement, e.g. in combination with provisions for shifting of conveyors, mining machines, or guides therefor provided with essential hydraulic devices
- E21D23/0069—Mine roof supports for step- by- step movement, e.g. in combination with provisions for shifting of conveyors, mining machines, or guides therefor provided with essential hydraulic devices without essential advancing shifting devices
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D17/00—Caps for supporting mine roofs
- E21D17/006—Caps for supporting mine roofs characterised by the material
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D17/00—Caps for supporting mine roofs
- E21D17/02—Cantilever extension or similar protecting devices
- E21D17/0206—Hydraulically operated extension devices
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D17/00—Caps for supporting mine roofs
- E21D17/02—Cantilever extension or similar protecting devices
- E21D17/08—Cap joints for obtaining a coal-face free of pit-props
- E21D17/086—Cap joints for obtaining a coal-face free of pit-props or articulated type
- 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
- E21D23/006—Mine roof supports for step- by- step movement, e.g. in combination with provisions for shifting of conveyors, mining machines, or guides therefor provided with essential hydraulic devices
- E21D23/0073—Mine roof supports for step- by- step movement, e.g. in combination with provisions for shifting of conveyors, mining machines, or guides therefor provided with essential hydraulic devices with advancing shifting devices connected therewith

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)
Actuator (AREA)
Paper (AREA)
Bridges Or Land Bridges (AREA)

AT186561A 1960-04-01 1961-03-07 Rückbare Abstützvorrichtung für den wandernden Strebausbau AT239727B (de)

Applications Claiming Priority (3)

Application Number	Priority Date	Filing Date	Title
DEG29358A DE1149679B (de)	1960-04-01	1960-04-01	Vorrichtung zum maschinellen Verriegeln und Entriegeln von frei tragend vorzupfaendenden Kappen
DEG29853A DE1152982B (de)	1960-04-01	1960-06-11	Vorrichtung zum maschinellen Verriegeln und Entriegeln von einer oder mehreren von einem Abstuetzelement aus durch Verriegelungsorgane frei tragend vorgepfaendeten Kappen
DEG30180A DE1158467B (de)	1960-07-28	1960-07-28	Vorrichtung zur hydraulischen Betaetigung der Verriegelung von einem rueckbaren Abstuetzelement fuer den Strebausbau freitragend vorgepfaendeter Kappen

Publications (1)

Publication Number	Publication Date
AT239727B true AT239727B (de)	1965-04-26

Family

ID=27210584

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
AT186561A AT239727B (de)	1960-04-01	1961-03-07	Rückbare Abstützvorrichtung für den wandernden Strebausbau

Country Status (5)

Country	Link
US (1)	US3217498A (de)
AT (1)	AT239727B (de)
BE (1)	BE602123A (de)
DE (2)	DE1149679B (de)
GB (1)	GB983551A (de)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
GB8719200D0 (en) *	1987-08-13	1987-09-23	Dowty Mining Equipment Ltd	Roof supports

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
DE1069100B (de) *		1959-11-19
US1469360A (en) *	1920-07-23	1923-10-02	Niles Bement Pond Co	Clamp and grip chuck
US2749712A (en) *	1949-11-25	1956-06-12	Gerlach Karl	Mine supporting structure for working mines
DE1022992B (de) *	1951-05-15	1958-01-23	Gutehoffnungshuette Sterkrade	Grubenausbaukappe mit Gelenkverbindung
BE535250A (de) *	1954-01-29
US2884272A (en) *	1955-01-19	1959-04-28	Hans Gerlach	Roof support structure for mine workings
GB950451A (en) *	1959-02-28	1964-02-26	Wilfrid George Reid	Improvements in the jointing of plaster board and like structural materials

1960
- 1960-04-01 DE DEG29358A patent/DE1149679B/de active Pending
- 1960-06-11 DE DEG29853A patent/DE1152982B/de active Pending
1961
- 1961-03-07 AT AT186561A patent/AT239727B/de active
- 1961-03-15 GB GB9537/61A patent/GB983551A/en not_active Expired
- 1961-03-21 US US97264A patent/US3217498A/en not_active Expired - Lifetime
- 1961-03-31 BE BE602123A patent/BE602123A/fr unknown

Also Published As

Publication number	Publication date
BE602123A (fr)	1961-10-02
DE1152982B (de)	1963-08-22
GB983551A (en)	1965-02-17
DE1149679B (de)	1963-06-06
US3217498A (en)	1965-11-16

Publication	Publication Date	Title
AT239727B (de)	1965-04-26	Rückbare Abstützvorrichtung für den wandernden Strebausbau
FR1202536A (fr)	1960-01-11	étançon de mine
NO109607C (no)	1966-10-17	Maskin for malmbrytning
BE615419A (fr)	1962-07-16	Dispositif démontable de soutien pour étançons de mines
FR1248352A (fr)	1960-12-09	étai hydraulique de mine
FR1278107A (fr)	1961-12-08	Mine éclairante
FR1230085A (fr)	1960-09-13	Rallonge de soutènement pour exploitation minière
BE603540A (fr)	1961-09-01	Etançon de mine
FR1198866A (fr)	1959-12-10	Soutènement de mine
FR1287138A (fr)	1962-03-09	Soutènement déplaçable pour galeries de mines
CH375313A (de)	1964-02-29	Ausbaurahmen für den untertägigen Grubenausbau
FR1280693A (fr)	1962-01-08	étançon de mine hydropneumatique
FR1251175A (fr)	1961-01-13	Supports de toits de mines
FR1133974A (fr)	1957-04-04	étançon de mine
BE603612A (fr)	1961-09-01	Etançon pour galeries de mine
FR1289337A (fr)	1962-03-30	étançon de mine hydraulique
AT195875B (de)	1958-02-25	Strebausbau für den untertägigen Abbaubetrieb
FR1310723A (fr)	1962-11-30	Pile de soutènement de mines
FR1246570A (fr)	1960-11-18	Soutènement de galerie pour exploitations minières
FR1243018A (fr)	1960-10-07	Perçeuses de tunnels
FR1256363A (fr)	1961-03-17	Convoyeur de mine
FR1212988A (fr)	1960-03-28	Nouvel étançon de mine
FR1203283A (fr)	1960-01-18	Soutènement de mine
FR1250922A (fr)	1961-01-13	Soutènement de mine pour tailles
FR1285810A (fr)	1962-02-23	Soutènement de mine