ZA927320B - Mine prop. - Google Patents

Mine prop.

Info

Publication number: ZA927320B
Authority: ZA; South Africa
Prior art keywords: mine prop; prop; mine
Prior art date: 1992-05-29

Application number

ZA927320A

Other languages

English (en)

Inventor

Lother Domanski

Rudi Podjadtke

Original Assignee

Bochumer Eisen Heintzmann

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.)

1992-05-29

Filing date

1992-09-24

Publication date

1993-03-29

1992-09-24 Application filed by Bochumer Eisen Heintzmann filed Critical Bochumer Eisen Heintzmann

1993-03-29 Publication of ZA927320B publication Critical patent/ZA927320B/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
- E21D15/16—Telescopic props with parts held together by positive means, with or without relative sliding movement when the prop is subject to excessive pressure
- E21D15/24—Telescopic props with parts held together by positive means, with or without relative sliding movement when the prop is subject to excessive pressure with axial screw-and-nut, rack-and-worm, or like mechanism
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G25/00—Shores or struts; Chocks
- E04G25/04—Shores or struts; Chocks telescopic
- 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
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G25/00—Shores or struts; Chocks
- E04G25/04—Shores or struts; Chocks telescopic
- E04G2025/042—Shores or struts; Chocks telescopic with devices to avoid accidental disengagement of the telescopic elements, e.g. during transport

Landscapes

Engineering & Computer Science (AREA)
Mining & Mineral Resources (AREA)
Structural Engineering (AREA)
Mechanical Engineering (AREA)
Geology (AREA)
Life Sciences & Earth Sciences (AREA)
General Life Sciences & Earth Sciences (AREA)
Geochemistry & Mineralogy (AREA)
Architecture (AREA)
Civil Engineering (AREA)
Supports For Pipes And Cables (AREA)
Joining Of Building Structures In Genera (AREA)
Filling Or Discharging Of Gas Storage Vessels (AREA)

ZA927320A 1992-05-29 1992-09-24 Mine prop. ZA927320B (en)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
US07/891,574 US5314161A (en)	1992-05-29	1992-05-29	Mine prop

Publications (1)

Publication Number	Publication Date
ZA927320B true ZA927320B (en)	1993-03-29

Family

ID=25398447

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
ZA927320A ZA927320B (en)	1992-05-29	1992-09-24	Mine prop.

Country Status (4)

Country	Link
US (1)	US5314161A (de)
DE (2)	DE4230628C1 (de)
PL (1)	PL170770B1 (de)
ZA (1)	ZA927320B (de)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
DE4338830C1 (de) *	1993-11-13	1995-05-11	Bochumer Eisen Heintzmann	Unter dem Einfluß einer aufzunehmenden Stützlast nachgiebige Stütze für den Einsatz in Untertageräumen
US5538364A (en) *	1995-02-14	1996-07-23	Huntsman; Steven D.	Yieldable mine post having a double ball and socket configuration
US5588511A (en) *	1995-05-15	1996-12-31	Sargent & Lundy	Seismic pipe restraint and method for using the same
USD377749S (en) *	1995-08-09	1997-02-04	Collado Francisco R	Air conditioner window holder
ATE328169T1 (de) *	1999-09-27	2006-06-15	Lennart Lindstroem	Vorrichtung bestehend aus metallblech
US6655877B2 (en) *	2002-04-16	2003-12-02	W. David Calhoun	Yielding column
US7761967B2 (en) *	2006-05-11	2010-07-27	Wilian Holding Company	Method of assembling a shore post leg assembly
EP1990251B1 (de) *	2007-05-08	2009-07-22	Voith Patent GmbH	Energieverzehreinrichtung für mehrgliedrige Fahrzeuge
US8821075B2 (en) *	2011-10-26	2014-09-02	Strata Products Worldwide Llc	Yieldable support prop and method
CN105927254A (zh) *	2016-06-30	2016-09-07	北京城建七建设工程有限公司	一种暗挖隧道拱顶坍塌应急装置及使用方法
EP3816367A1 (de) *	2019-10-28	2021-05-05	DOKA GmbH	Schalungsstütze

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US1006163A (en) *	1910-05-24	1911-10-17	August Winz	Prop for mines.
AT62598B (de) *	1911-07-25	1913-12-27	Reichert Mfg Co	Stützvorrichtung für Schalungen von Betonbauten.
GB232990A (en) *	1924-04-26	1925-11-12	Paul Kaasmann	Improvements in and relating to pit props
US3027140A (en) *	1959-05-22	1962-03-27	Ralph H Holzbach	Jack posts and means for forming the same
US3222030A (en) *	1964-06-22	1965-12-07	Unistrut Corp	Floor structure elevating device
US3737134A (en) *	1971-06-18	1973-06-05	Afco Manuf Corp	Telescoping support column
US4185940A (en) *	1977-11-08	1980-01-29	Klaus Spies	Method and system for supporting a roof
US4301989A (en) *	1979-06-29	1981-11-24	Kallenbach Ralph M	Pipe whip restraint system and energy absorbing device therefor
US4382721A (en) *	1979-07-16	1983-05-10	Holywell Engineering Limited	Mine roadway support stilt
AT376009B (de) *	1982-12-13	1984-10-10	Powondra Franz Dipl Ing Dr	Verfahren zur erzielung einer nachgiebigen verbindung zwischen einem metallischen stabfoermigen koerper und einer von diesem durchsetzten halterung
AU651653B2 (en) *	1991-01-22	1994-07-28	Dyckerhoff & Widmann A.G.	Yieldable roof support system

1992
- 1992-05-29 US US07/891,574 patent/US5314161A/en not_active Expired - Fee Related
- 1992-09-12 DE DE4230628A patent/DE4230628C1/de not_active Expired - Fee Related
- 1992-09-12 DE DE9218063U patent/DE9218063U1/de not_active Expired - Lifetime
- 1992-09-24 ZA ZA927320A patent/ZA927320B/xx unknown
1993
- 1993-05-14 PL PL93298961A patent/PL170770B1/pl unknown

Also Published As

Publication number	Publication date
DE4230628C1 (de)	1993-07-29
DE9218063U1 (de)	1993-06-17
PL170770B1 (pl)	1997-01-31
US5314161A (en)	1994-05-24
PL298961A1 (en)	1993-12-27

Publication	Publication Date	Title
GB2260558B (en)	1995-10-04	Mine roof supports
ZA927320B (en)	1993-03-29	Mine prop.
ZA931433B (en)	1993-09-22	Mine prop headboard.
ZA936764B (en)	1994-10-05	Mining apparatus.
ZA939616B (en)	1994-08-18	Mine support system.
AU2789895A (en)	1996-01-05	Mine prop
GB2259971B (en)	1995-02-01	Mine
GB2241229B (en)	1994-01-19	Mine skip
ZA933156B (en)	1993-12-07	Mine prop
ZA977556B (en)	1998-02-23	Mine prop.
ZA927490B (en)	1993-08-16	Mine prop.
ZA936338B (en)	1994-03-25	Mine prop
GB9014178D0 (en)	1990-08-15	Mine roof supports
ZA943891B (en)	1995-02-07	Mine prop
ZA931268B (en)	1993-11-17	Mine prop
ZA926865B (en)	1993-03-11	Mine support prop.
ZA925256B (en)	1993-04-28	Mine prop
ZA933762B (en)	1994-01-04	Yielding mine prop
ZA965671B (en)	1996-02-20	A mine prop.
ZA921314B (en)	1992-11-25	Mine props
ZA927961B (en)	1993-04-26	A mine prop.
ZA923687B (en)	1992-11-16	Prop.
ZA976799B (en)	1998-02-11	Mine prop.
ZA9710500B (en)	1998-06-10	Mine prop.
ZA973881B (en)	1997-12-08	Mine prop.