NL86396C - - Google Patents

Info

Publication number: NL86396C
Authority: NL; Netherlands

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.)

1950-03-04

Publication of NL86396C publication Critical patent/NL86396C/xx

Classifications

- 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)
Devices Affording Protection Of Roads Or Walls For Sound Insulation (AREA)

NL86396D 1950-03-04 NL86396C (c_deeref_Disk_and_Scratch_Disk_Pools_and_Their_Defaults.html)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
DEV643A DE974877C (de)	1950-03-04	1950-03-04	Kappenverbindung fuer den Strebausbau im Grubenbetrieb unter Tage

Publications (1)

Publication Number	Publication Date
NL86396C true NL86396C (c_deeref_Disk_and_Scratch_Disk_Pools_and_Their_Defaults.html)

Family

ID=7569206

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
NL86396D NL86396C (c_deeref_Disk_and_Scratch_Disk_Pools_and_Their_Defaults.html)	1950-03-04

Country Status (3)

Country	Link
BE (1)	BE501546A (c_deeref_Disk_and_Scratch_Disk_Pools_and_Their_Defaults.html)
DE (1)	DE974877C (c_deeref_Disk_and_Scratch_Disk_Pools_and_Their_Defaults.html)
NL (1)	NL86396C (c_deeref_Disk_and_Scratch_Disk_Pools_and_Their_Defaults.html)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
BE511825A (c_deeref_Disk_and_Scratch_Disk_Pools_and_Their_Defaults.html) *	1952-05-31
GB785063A (en) *	1955-04-07	1957-10-23	Josef Brand	Connection for lagging irons for use in mines

0
- BE BE501546D patent/BE501546A/xx unknown
- NL NL86396D patent/NL86396C/xx active
1950
- 1950-03-04 DE DEV643A patent/DE974877C/de not_active Expired

Also Published As

Publication number	Publication date
BE501546A (c_deeref_Disk_and_Scratch_Disk_Pools_and_Their_Defaults.html)
DE974877C (de)	1961-05-25

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