LU31082A1 - - Google Patents

Info

Publication number: LU31082A1
Authority: LU; Luxembourg

Application number

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.)

1950-12-01

Publication of LU31082A1 publication Critical patent/LU31082A1/xx

Classifications

- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D11/00—Lining tunnels, galleries or other underground cavities, e.g. large underground chambers; Linings therefor; Making such linings in situ, e.g. by assembling
- E21D11/14—Lining predominantly with metal
- E21D11/18—Arch members ; Network made of arch members ; Ring elements; Polygon elements; Polygon elements inside arches
- 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

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)
Architecture (AREA)
Civil Engineering (AREA)
Structural Engineering (AREA)
Bridges Or Land Bridges (AREA)
Devices Affording Protection Of Roads Or Walls For Sound Insulation (AREA)

LU31082D 1950-12-01 LU31082A1 (en(2012))

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
BE706448X		1950-12-01

Publications (1)

Publication Number	Publication Date
LU31082A1 true LU31082A1 (en(2012))

Family

ID=3878511

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
LU31082D LU31082A1 (en(2012))	1950-12-01

Country Status (4)

Country	Link
BE (1)	BE499757A (en(2012))
FR (1)	FR1044988A (en(2012))
GB (1)	GB706448A (en(2012))
LU (1)	LU31082A1 (en(2012))

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
FR1130143A (fr) *	1955-07-27	1957-01-31		Rallonge articulée pour supports de mines
DE1169881B (de) *	1960-09-09	1964-05-14	Hermann Schwarz Kommanditgesel	In der Laengsrichtung in mehrere im wesentlichen gleiche Stuecke aufgeteilte Kappe
GB1219897A (en) *	1967-10-10	1971-01-20	Karl Maria Groetschel	Improvements relating to roof supports for mine workings
GB2198166B (en) *	1986-10-31	1990-10-17	Thos Storey	Improvements in and relating to support work props
CN115977701B (zh) *	2023-03-20	2023-06-30	中交基础设施养护集团工程有限公司	一种隧道支护结构

0
- BE BE499757D patent/BE499757A/xx unknown
- LU LU31082D patent/LU31082A1/xx unknown
1951
- 1951-11-09 FR FR1044988D patent/FR1044988A/fr not_active Expired
- 1951-11-28 GB GB27881/51A patent/GB706448A/en not_active Expired

Also Published As

Publication number	Publication date
GB706448A (en)	1954-03-31
FR1044988A (fr)	1953-11-23
BE499757A (en(2012))

Publication	Publication Date	Title
FR1049505A (en(2012))	1953-12-30
FR955976A (en(2012))	1950-01-23
FR955856A (en(2012))	1950-01-20
FR954964A (en(2012))	1950-01-06
FR954882A (en(2012))	1950-01-06
AT195820B (en(2012))	1958-02-25
AT165408B (en(2012))	1950-02-25
FR954484A (en(2012))	1950-01-03
FR955796A (en(2012))	1950-01-19
FR955376A (en(2012))	1950-01-14
BE461301A (en(2012))
BE489017A (en(2012))
LU31082A1 (en(2012))
BE507745A (en(2012))
BE502836A (en(2012))
BE502697A (en(2012))
BE495522A (en(2012))	1950-09-01
BE495516A (en(2012))	1950-09-01
BE495514A (en(2012))
BE495456A (en(2012))
BE495313A (en(2012))
BE325830A (en(2012))
BE365921A (en(2012))
BE442233A (en(2012))
BE495131A (en(2012))	1950-08-01