ZA775286B - A mine prop - Google Patents

A mine prop

Info

Publication number
ZA775286B
ZA775286B ZA00775286A ZA775286A ZA775286B ZA 775286 B ZA775286 B ZA 775286B ZA 00775286 A ZA00775286 A ZA 00775286A ZA 775286 A ZA775286 A ZA 775286A ZA 775286 B ZA775286 B ZA 775286B
Authority
ZA
South Africa
Prior art keywords
mine prop
prop
mine
Prior art date
Application number
ZA00775286A
Other languages
English (en)
Inventor
U Reininghaus
H Friebe
Original Assignee
U Reininghaus
H Friebe
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.)
Filing date
Publication date
Application filed by U Reininghaus, H Friebe filed Critical U Reininghaus
Publication of ZA775286B publication Critical patent/ZA775286B/xx

Links

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
    • E21D15/005—Props; Chocks, e.g. made of flexible containers filled with backfilling material characterised by the material
    • E21D15/007—Props; Chocks, e.g. made of flexible containers filled with backfilling material characterised by the material spark-reducing
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T29/00—Metal working
    • Y10T29/49—Method of mechanical manufacture
    • Y10T29/49826—Assembling or joining
    • Y10T29/49879—Spaced wall tube or receptacle
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/12—All metal or with adjacent metals
    • Y10T428/12493—Composite; i.e., plural, adjacent, spatially distinct metal components [e.g., layers, joint, etc.]
    • Y10T428/12736—Al-base component
    • Y10T428/12743—Next to refractory [Group IVB, VB, or VIB] metal-base component

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)
  • Lining And Supports For Tunnels (AREA)
  • Shaping Metal By Deep-Drawing, Or The Like (AREA)
  • Building Environments (AREA)
  • Other Surface Treatments For Metallic Materials (AREA)
  • Rigid Pipes And Flexible Pipes (AREA)
  • Gasket Seals (AREA)
  • Laminated Bodies (AREA)
  • Filling Or Discharging Of Gas Storage Vessels (AREA)
ZA00775286A 1976-09-07 1977-08-31 A mine prop ZA775286B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE762640104A DE2640104C3 (de) 1976-09-07 1976-09-07 Grubenstempel

Publications (1)

Publication Number Publication Date
ZA775286B true ZA775286B (en) 1978-07-26

Family

ID=5987273

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA00775286A ZA775286B (en) 1976-09-07 1977-08-31 A mine prop

Country Status (13)

Country Link
US (1) US4192479A (en:Method)
JP (1) JPS5332803A (en:Method)
AR (1) AR224721A1 (en:Method)
AU (1) AU502292B2 (en:Method)
BE (1) BE858469A (en:Method)
DE (1) DE2640104C3 (en:Method)
ES (1) ES461959A1 (en:Method)
FR (1) FR2363692A1 (en:Method)
GB (1) GB1588261A (en:Method)
HU (1) HU176097B (en:Method)
PL (1) PL200683A1 (en:Method)
RO (1) RO77402A (en:Method)
ZA (1) ZA775286B (en:Method)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9347316B2 (en) 2012-08-30 2016-05-24 Burrell Mining Products, Inc. Telescopic mine roof support
US9611738B2 (en) 2014-08-27 2017-04-04 Burrell Mining Products, Inc. Ventilated mine roof support
US9903203B2 (en) 2014-08-27 2018-02-27 Burrell Mining Products, Inc. Ventilated mine roof support

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1592090A (en) * 1977-03-02 1981-07-01 Reininghaus U Cylinders
DE3320759C1 (de) * 1983-06-09 1984-10-25 Bochumer Eisenhütte Heintzmann GmbH & Co KG, 4630 Bochum Hydraulisch beaufschlagbarer Zylinder,fuer ein Ausbaugestell sowie Verfahren zu seiner Herstellung
HU186714B (en) * 1983-06-17 1985-09-30 Vedecko Vizkumny Uhelny Ustav Protective coating for surface protection of pieces made of light material or light alloy
JP2652592B2 (ja) * 1991-05-17 1997-09-10 日本スカイロボット株式会社 伸縮柱等の進退機構
GB2274311A (en) * 1992-01-26 1994-07-20 Xingzhu Jiang Hydraulic support
US6910834B2 (en) * 2003-05-27 2005-06-28 Burrell Mining Products, Inc. Mine prop
FR2888309B1 (fr) * 2005-07-05 2007-10-12 Saipem S A Sa Piece de raccordement de conduites comportant une chemise interne, procede de revetement et procede d'assemblage
DE202008008574U1 (de) * 2008-06-25 2008-08-28 Maquet Gmbh & Co. Kg Verkleidung einer höhenverstellbaren Stützsäule
KR100963423B1 (ko) * 2009-11-12 2010-06-15 현대하이스코 주식회사 하이드로 포밍을 이용한 워터 파이프 제조 방법
US9995140B2 (en) * 2013-11-22 2018-06-12 Fci Holdings Delaware, Inc. Yieldable prop with yieldable insert
GB2551994A (en) * 2016-07-04 2018-01-10 Eze Shoring (Halifax) Ltd Prop

Family Cites Families (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US58650A (en) * 1866-10-09 Improved driving-pipe for oil-wells
DE7627866U1 (en:Method) * Friebe, Herbert, 5000 Koeln
US1467563A (en) * 1922-01-05 1923-09-11 Percy A E Armstrong Corrosion and heat resisting apparatus
US2311138A (en) * 1939-03-15 1943-02-16 Cleveland Graphite Bronze Co Conductor
US2585128A (en) * 1946-03-01 1952-02-12 Bendix Aviat Corp Aluminum optical mirror and method of making same
US2647847A (en) * 1950-02-28 1953-08-04 Fluid Packed Pump Company Method for interfitting machined parts
FR1127280A (fr) * 1955-07-08 1956-12-12 Jeenicke & Co K G E Procédé permettant aux chapeaux de soutènement de mines, aux étançons et aux autres éléments de soutènement en métal léger de ne pas produire d'étincelles et de résister à la corrosion
DE1061273B (de) * 1958-01-13 1959-07-16 Kloeckner Bergbau Victor Icker Hydraulischer Grubenstempel
FR1202536A (fr) * 1958-09-11 1960-01-11 étançon de mine
US3031330A (en) * 1959-01-08 1962-04-24 Hornick Frank Method of bonding an outer coating of one metal to a base surface of aluminum or the like
US3086284A (en) * 1959-10-07 1963-04-23 Alloyd Res Corp Thermal insulating construction
FR1348297A (fr) * 1963-02-25 1964-01-04 Acrow Eng Ltd Perfectionnements aux étançons de mines
US3598156A (en) * 1968-07-15 1971-08-10 Jordan Band Bimetal tubing and method of making same
US3689232A (en) * 1971-07-09 1972-09-05 Asahi Chemical Ind Jointing materials for steel and aluminum
US3942705A (en) * 1974-11-11 1976-03-09 General Electric Company Protection for aluminum tubing during ultrasonic soldering

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9347316B2 (en) 2012-08-30 2016-05-24 Burrell Mining Products, Inc. Telescopic mine roof support
US9611738B2 (en) 2014-08-27 2017-04-04 Burrell Mining Products, Inc. Ventilated mine roof support
US9903203B2 (en) 2014-08-27 2018-02-27 Burrell Mining Products, Inc. Ventilated mine roof support

Also Published As

Publication number Publication date
AU502292B2 (en) 1979-07-19
JPS5624079B2 (en:Method) 1981-06-03
PL200683A1 (pl) 1978-04-10
DE2640104C3 (de) 1979-03-08
US4192479A (en) 1980-03-11
AU2805177A (en) 1979-02-22
DE2640104B2 (de) 1978-06-29
GB1588261A (en) 1981-04-23
AR224721A1 (es) 1982-01-15
RO77402A (ro) 1981-11-04
BE858469A (fr) 1978-01-02
JPS5332803A (en) 1978-03-28
DE2640104A1 (de) 1978-03-16
FR2363692A1 (fr) 1978-03-31
ES461959A1 (es) 1978-05-16
HU176097B (en) 1980-12-28

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