BE602123A - Mobile roof support device, intended for mobile pruning supports - Google Patents

Mobile roof support device, intended for mobile pruning supports

Info

Publication number: BE602123A
Authority: BE; Belgium
Prior art keywords: mobile; supports; intended; support device; pruning
Prior art date: 1960-04-01

Application number

BE602123A

Other languages

French (fr)

Inventor

Karl Maria Groetschel

Original Assignee

Karl Maria 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

1961-03-31

Publication date

1961-10-02

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

1961-03-31 Application filed by Karl Maria Groetschel filed Critical Karl Maria Groetschel

1961-10-02 Publication of BE602123A publication Critical patent/BE602123A/en

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

BE602123A 1960-04-01 1961-03-31 Mobile roof support device, intended for mobile pruning supports BE602123A (en)

Applications Claiming Priority (3)

Application Number	Priority Date	Filing Date	Title
DEG29358A DE1149679B (en)	1960-04-01	1960-04-01	Device for automatic locking and unlocking of self-supporting caps to be plucked
DEG29853A DE1152982B (en)	1960-04-01	1960-06-11	Device for the mechanical locking and unlocking of one or more of a support element from a support element by means of locking elements cantilevered caps
DEG30180A DE1158467B (en)	1960-07-28	1960-07-28	Device for the hydraulic actuation of the locking of a retractable support element for longwall construction self-supporting pre-fixed caps

Publications (1)

Publication Number	Publication Date
BE602123A true BE602123A (en)	1961-10-02

Family

ID=27210584

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
BE602123A BE602123A (en)	1960-04-01	1961-03-31	Mobile roof support device, intended for mobile pruning supports

Country Status (5)

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

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 (en) *		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 (en) *	1951-05-15	1958-01-23	Gutehoffnungshuette Sterkrade	Pit support cap with articulated connection
BE535250A (en) *	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/en active Pending
- 1960-06-11 DE DEG29853A patent/DE1152982B/en active Pending
1961
- 1961-03-07 AT AT186561A patent/AT239727B/en 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/en unknown

Also Published As

Publication number	Publication date
DE1152982B (en)	1963-08-22
US3217498A (en)	1965-11-16
DE1149679B (en)	1963-06-06
GB983551A (en)	1965-02-17
AT239727B (en)	1965-04-26

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