FI65307B - Komprimerbar gruvstoetta - Google Patents

Komprimerbar gruvstoetta

Info

Publication number: FI65307B
Authority: FI; Finland
Prior art keywords: komprimerbar; gruvstoetta; komprimerbar gruvstoetta
Prior art date: 1974-09-05

Application number

FI752462A

Other languages

English (en)

Other versions

FI65307C (fi

FI752462A7 (fi

Inventor

Rodney Colvin Townsend

Original Assignee

Mine Support Syst Pty Ltd

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.)

1974-09-05

Filing date

1975-09-02

Publication date

1983-12-30

1975-09-02 Application filed by Mine Support Syst Pty Ltd filed Critical Mine Support Syst Pty Ltd

1976-03-06 Publication of FI752462A7 publication Critical patent/FI752462A7/fi

1983-12-30 Publication of FI65307B publication Critical patent/FI65307B/fi

1984-04-10 Application granted granted Critical

1984-04-10 Publication of FI65307C publication Critical patent/FI65307C/fi

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
- E21D15/18—Telescopic props with parts held together by positive means, with or without relative sliding movement when the prop is subject to excessive pressure with one part resting on a supporting medium, e.g. rubber, sand, bitumen, lead, located in the other part, with or without expulsion or displacement of the medium upon excessive pressure

Landscapes

Engineering & Computer Science (AREA)
Mining & Mineral Resources (AREA)
Geochemistry & Mineralogy (AREA)
Structural Engineering (AREA)
Life Sciences & Earth Sciences (AREA)
General Life Sciences & Earth Sciences (AREA)
Mechanical Engineering (AREA)
Geology (AREA)
Lining And Supports For Tunnels (AREA)
Pallets (AREA)
Investigation Of Foundation Soil And Reinforcement Of Foundation Soil By Compacting Or Drainage (AREA)
Steroid Compounds (AREA)
Clamps And Clips (AREA)
Forging (AREA)

FI752462A 1974-09-05 1975-09-02 Komprimerbar gruvstoetta FI65307C (fi)

Applications Claiming Priority (2)

Application Number	Priority Date	Filing Date	Title
ZA00745649A ZA745649B (en)	1974-09-05	1974-09-05	Compressible mine support
ZA7405649		1974-09-05

Publications (3)

Publication Number	Publication Date
FI752462A7 FI752462A7 (fi)	1976-03-06
FI65307B true FI65307B (fi)	1983-12-30
FI65307C FI65307C (fi)	1984-04-10

Family

ID=25568113

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
FI752462A FI65307C (fi)	1974-09-05	1975-09-02	Komprimerbar gruvstoetta

Country Status (14)

Country	Link
US (1)	US4052029A (fi)
JP (1)	JPS5925080B2 (fi)
AT (1)	AT341979B (fi)
AU (1)	AU8456475A (fi)
BE (1)	BE833130A (fi)
BR (1)	BR7505691A (fi)
CA (1)	CA1027098A (fi)
DE (1)	DE2539208C2 (fi)
FI (1)	FI65307C (fi)
FR (1)	FR2284024A1 (fi)
GB (1)	GB1502898A (fi)
SE (1)	SE415503B (fi)
ZA (1)	ZA745649B (fi)
ZM (1)	ZM13175A1 (fi)

Families Citing this family (19)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US4281487A (en) *	1979-08-06	1981-08-04	Koller Karl S	Energy absorbing load carrying strut and method of providing such a strut capable of withstanding cyclical loads exceeding its yield strength
GB2080364A (en) *	1980-07-22	1982-02-03	Hunt Leuchars & Hepburn Ltd	Mine support prop
WO1982004455A1 (en) *	1981-06-19	1982-12-23	Karl S Koller	Energy absorbing load carrying strut and method of providing such a strut capable of withstanding cyclical loads exceeding its yield strength
US4915540A (en) *	1989-06-05	1990-04-10	Jack Kennedy Metal Products And Buildings, Inc.	Contractible mine stopping and contractible block member for use therein
USRE34220E (en) *	1989-06-05	1993-04-13	Jack Kennedy Metal Products And Buildings, Inc.	Contractible mine stopping and contractible block member for use therein
DE4224852C2 (de) *	1992-07-28	1997-06-12	Langerbein Scharf Gmbh & Co Kg	Rohrstütze, insbesondere für den untertägigen Berg- und Tunnelbau
ZA974419B (en) *	1996-05-22	1998-08-24	H L & H Timber Prod	Mine props
US6129483A (en)	1999-01-26	2000-10-10	Rag American Coal Company	Prefabricated metal overcast having a crushable lower section
US6499916B2 (en)	1999-04-14	2002-12-31	American Commercial Inc.	Compressible support column
GB2348895A (en) *	1999-04-14	2000-10-18	James Eric Marianski	Compressible roof support
US6655877B2 (en)	2002-04-16	2003-12-02	W. David Calhoun	Yielding column
EP1563166B1 (en) *	2002-11-08	2008-04-23	Grinaker-LTA Limited	Mine support
US6910834B2 (en) *	2003-05-27	2005-06-28	Burrell Mining Products, Inc.	Mine prop
US7232103B2 (en) *	2004-10-27	2007-06-19	Efficient Mining Systems Llc	Load-bearing pressurized liquid column
US20170130580A1 (en) *	2012-08-30	2017-05-11	Burrell Mining Products, Inc.	Telescopic mine roof support
US8851805B2 (en)	2012-08-30	2014-10-07	Burrell Mining Products, Inc.	Telescopic mine roof support
US9903203B2 (en)	2014-08-27	2018-02-27	Burrell Mining Products, Inc.	Ventilated mine roof support
US9611738B2 (en)	2014-08-27	2017-04-04	Burrell Mining Products, Inc.	Ventilated mine roof support
WO2018017948A1 (en) *	2016-07-21	2018-01-25	Burrell Mining Products, Inc.	Telescopic mine roof support

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
DE569550C (de) *		1933-02-04	F W Moll Soehne	Walzprofil mit muldenartigen Vertiefungen
BE441565A (fi) *
BE459213A (fi) *
DE604346C (fi) *
GB191116735A (en) *	1911-07-20	1912-04-04	Wilhelm Deutsch	Improvements in Mining Props.
GB191308097A (en) *	1913-04-07	1914-02-19	Mavor & Coulson Ltd	Improvements in or connected with Props and the like, particularly adapted for use in Mines.
US1752101A (en) *	1926-12-22	1930-03-25	Meutsch Heinrich	Mining prop
GB319091A (en) *	1928-07-09	1929-09-19	Frank Stuart Atkinson	Pit and like props and shores
GB552833A (en) *	1942-03-20	1943-04-27	William Owen Jones	Improvements in and relating to pit props
DE826811C (de) *	1950-01-14	1952-01-07	Carl Ballhausen	Vorrichtung zur Kraftuebertragung zwischen zwei gegeneinander verschiebbaren Maschinenelementen
GB1016292A (en) *	1963-05-15	1966-01-12	Stewarts & Lloyds Ltd	A yielding strut
FR1453017A (fr) *	1965-11-04	1966-04-15		étançon déformable pour exploitations minières
US3454397A (en) *	1967-01-30	1969-07-08	Honda Gijutsu Kenkyusho Kk	Steering column for a motor vehicle

1974
- 1974-09-05 ZA ZA00745649A patent/ZA745649B/xx unknown
1975
- 1975-09-02 GB GB36173/75A patent/GB1502898A/en not_active Expired
- 1975-09-02 SE SE7509721A patent/SE415503B/xx not_active IP Right Cessation
- 1975-09-02 FI FI752462A patent/FI65307C/fi not_active IP Right Cessation
- 1975-09-03 DE DE2539208A patent/DE2539208C2/de not_active Expired
- 1975-09-03 US US05/609,951 patent/US4052029A/en not_active Expired - Lifetime
- 1975-09-04 BR BR7505691*A patent/BR7505691A/pt unknown
- 1975-09-04 AU AU84564/75A patent/AU8456475A/en not_active Expired
- 1975-09-04 FR FR7527121A patent/FR2284024A1/fr active Granted
- 1975-09-04 AT AT683175A patent/AT341979B/de active
- 1975-09-04 CA CA235,122A patent/CA1027098A/en not_active Expired
- 1975-09-05 BE BE159791A patent/BE833130A/xx not_active IP Right Cessation
- 1975-09-05 ZM ZM131/75A patent/ZM13175A1/xx unknown
- 1975-09-05 JP JP50107927A patent/JPS5925080B2/ja not_active Expired

Also Published As

Publication number	Publication date
ZA745649B (en)	1975-12-31
SE415503B (sv)	1980-10-06
DE2539208C2 (de)	1984-11-08
BE833130A (fr)	1975-12-31
GB1502898A (en)	1978-03-08
JPS5925080B2 (ja)	1984-06-14
FI65307C (fi)	1984-04-10
FR2284024A1 (fr)	1976-04-02
DE2539208A1 (de)	1976-03-18
JPS5154805A (fi)	1976-05-14
FI752462A7 (fi)	1976-03-06
BR7505691A (pt)	1976-08-03
US4052029A (en)	1977-10-04
AT341979B (de)	1978-03-10
SE7509721L (sv)	1976-03-08
ATA683175A (de)	1977-07-15
AU8456475A (en)	1977-03-10
FR2284024B1 (fi)	1982-07-16
CA1027098A (en)	1978-02-28
ZM13175A1 (en)	1976-11-22

Publication	Publication Date	Title
AT332977B (de)	1976-10-25	Deodorantien
AT332978B (de)	1976-10-25	Deodorantien
FI65307B (fi)	1983-12-30	Komprimerbar gruvstoetta
BE827298A (fr)	1975-09-29	Acylurfidocephalosporines
AT338077B (de)	1977-07-25	Handmuhle
BE827404A (fr)	1975-09-29	Automatische c02 - gehaltemeter
AT340188B (de)	1977-11-25	Samaschine
AT338025B (de)	1977-07-25	Samaschine
AT345679B (de)	1978-09-25	Kettenschloss
BE826556A (fr)	1975-09-11	Haveuse
BE828211A (fr)	1975-10-22	Vincadioline
AT342532B (de)	1978-04-10	Sparkerze
AT335386B (de)	1977-03-10	Kettbaum
BE827338A (fr)	1975-09-29	Trifluoroethylanilines
AT339823B (de)	1977-11-10	Mullcontainer
BE828179A (fr)	1975-08-18	Snijmachine
BE829863A (fr)	1975-10-01	Petard
BE826873A (fr)	1975-09-19	Alkylsulfonylphenoxypropanolamines
AT337487B (de)	1977-07-11	Pfeifenreiber
JPS5112286A (ja)	1976-01-30	Kanguchiseikeihoho
JPS5111301A (ja)	1976-01-29	Denshidochochuuna
JPS5110457A (ja)	1976-01-27	Nijuberutoreikyakusochi
BE826955A (fr)	1975-09-22	Benzoxazolines
BE828279A (fr)	1975-10-23	Thiocetals halogenosteroides
JPS5110640A (ja)	1976-01-28	Yunitsutoshikiukipuuru

Legal Events

Date	Code	Title	Description
2004-08-31	MM	Patent lapsed	Owner name: MINE SUPPORT SYSTEMS (HOLDINGS) PROPRIET