NL6401022A - - Google Patents

Info

Publication number: NL6401022A
Authority: NL; Netherlands

Application number

NL6401022A

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.)

1963-02-11

Filing date

1964-02-07

Publication date

1964-08-12

1964-02-07 Application filed filed Critical

1964-08-12 Publication of NL6401022A publication Critical patent/NL6401022A/xx

Classifications

- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D15/00—Props; Chocks, e.g. made of flexible containers filled with backfilling material
- E21D15/14—Telescopic props
- E21D15/28—Telescopic props with parts held relatively to each other by friction or gripping
- E21D15/32—Telescopic props with parts held relatively to each other by friction or gripping by a deformable collar or clamping means applied symmetrically inside a locking ring
- E21D15/325—Telescopic props with parts held relatively to each other by friction or gripping by a deformable collar or clamping means applied symmetrically inside a locking ring by a clamping ring

Landscapes

Engineering & Computer Science (AREA)
Mining & Mineral Resources (AREA)
Mechanical Engineering (AREA)
Structural Engineering (AREA)
Life Sciences & Earth Sciences (AREA)
General Life Sciences & Earth Sciences (AREA)
Geochemistry & Mineralogy (AREA)
Geology (AREA)
Orthopedics, Nursing, And Contraception (AREA)

NL6401022A 1963-02-11 1964-02-07 NL6401022A (xx)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
DEG37036A DE1169877B (de)	1963-02-11	1963-02-11	Mehrteiliger Grubenstempel

Publications (1)

Publication Number	Publication Date
NL6401022A true NL6401022A (xx)	1964-08-12

Family

ID=7125535

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
NL6401022A NL6401022A (xx)	1963-02-11	1964-02-07

Country Status (3)

Country	Link
BE (1)	BE643093A (xx)
DE (1)	DE1169877B (xx)
NL (1)	NL6401022A (xx)

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
DE351379C (de) *		1922-04-06	Peter Luxenburger	Grubenstempel aus zwei ineinander verschiebbaren Rohren mit Klemme zum groben und Schraube zum feinen Einstellen
DE1008684B (de) *	1956-01-09	1957-05-23	Gutehoffnungshuette Sterkrade	Mehrteiliger Grubenstempel
DE1020292B (de) *	1956-06-18	1957-12-05	Gutehoffnungshuette Sterkrade	Mehrteiliger Grubenstempel
DE1011380B (de) *	1956-08-09	1957-07-04	Gutehoffnungshuette Sterkrade	Mehrteiliger Grubenstempel
DE1012575B (de) *	1956-10-10	1957-07-25	Gutehoffnungshuette Sterkrade	Nachgiebiger Grubenstempel

1963
- 1963-02-11 DE DEG37036A patent/DE1169877B/de active Pending
1964
- 1964-01-29 BE BE643093D patent/BE643093A/xx unknown
- 1964-02-07 NL NL6401022A patent/NL6401022A/xx unknown

Also Published As

Publication number	Publication date
DE1169877B (de)	1964-05-14
BE643093A (xx)	1964-05-15

Publication	Publication Date	Title
AR142945A1 (xx)	1965-02-11
AT260747B (xx)	1968-03-25
BE627012A (xx)
BE626826A (xx)
BE643827A (xx)	1964-08-14
BE645916A (xx)	1964-07-16
BE645748A (xx)	1964-07-16
BE645466A (xx)	1964-07-16
BE31062A (xx)
BE462764A (xx)
BE626915A (xx)
BE507458A (xx)
BE533484A (xx)
BE547422A (xx)
BE571209A (xx)
BE582314A (xx)
BE603935A (xx)
BE608372A (xx)
BE612803A (xx)
BE614220A (xx)
BE616247A (xx)
BE616830A (xx)
BE616967A (xx)
BE643093A (xx)	1964-05-15
BE620325A (xx)