ZA931433B - Mine prop headboard. - Google Patents
Mine prop headboard.Info
- Publication number
- ZA931433B ZA931433B ZA931433A ZA931433A ZA931433B ZA 931433 B ZA931433 B ZA 931433B ZA 931433 A ZA931433 A ZA 931433A ZA 931433 A ZA931433 A ZA 931433A ZA 931433 B ZA931433 B ZA 931433B
- Authority
- ZA
- South Africa
- Prior art keywords
- mine prop
- headboard
- prop headboard
- mine
- prop
- Prior art date
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
- E21D15/48—Chocks or the like
- E21D15/483—Chocks or the like made of flexible containers, e.g. inflatable, with or without reinforcement, e.g. filled with water, backfilling material or the like
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)
- Devices Affording Protection Of Roads Or Walls For Sound Insulation (AREA)
- Joining Of Building Structures In Genera (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
ZA921611 | 1992-03-04 |
Publications (1)
Publication Number | Publication Date |
---|---|
ZA931433B true ZA931433B (en) | 1993-09-22 |
Family
ID=25581464
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
ZA931433A ZA931433B (en) | 1992-03-04 | 1993-03-01 | Mine prop headboard. |
Country Status (4)
Country | Link |
---|---|
US (1) | US5427476A (xx) |
CA (1) | CA2090947C (xx) |
PL (1) | PL170323B1 (xx) |
ZA (1) | ZA931433B (xx) |
Families Citing this family (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
ZA947397B (en) * | 1993-09-24 | 1995-05-15 | H L & H Timber Prod | Prop headboard |
US6196635B1 (en) | 1998-02-17 | 2001-03-06 | Fosroc International Limited | Method of installation of cuttable mine support |
US6547492B1 (en) | 1998-08-14 | 2003-04-15 | Fosroc International Limited | Inflatable mine support |
US6499916B2 (en) | 1999-04-14 | 2002-12-31 | American Commercial Inc. | Compressible support column |
US6352392B1 (en) * | 1999-10-08 | 2002-03-05 | Strata Products (Usa), Inc. | Mine roof support crib having only two or three planes, and method |
US20100144264A1 (en) * | 2007-07-17 | 2010-06-10 | Skarboevig Nils Mittet | Underground mine ventilation curtain or barrier |
RU2454542C2 (ru) * | 2010-02-24 | 2012-06-27 | ОАО "Кузбасский научно-исследовательский институт шахтного строительства" (ОАО "Кузниишахтострой") | Способ крепления купола в кровле горной выработки |
CN104594924B (zh) * | 2014-11-13 | 2017-03-08 | 广东安元矿业勘察设计有限公司 | 一种填砂式采矿支柱的使用方法 |
US11053683B2 (en) * | 2018-01-24 | 2021-07-06 | Strata Products Worldwide, Llc | Apparatus for controlling yield performance of props for roofs, and methods |
CN108775249B (zh) * | 2018-05-24 | 2020-06-12 | 武汉工程大学 | 一种矿山支柱加固装置 |
Family Cites Families (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US1528034A (en) * | 1924-02-16 | 1925-03-03 | Firm Goswin U Co Komm Ges | Prop for mines |
GB396454A (en) * | 1932-02-10 | 1933-08-10 | Wilson Britton | Improvements in or relating to pit props and chock pieces for use in coal mines and the like |
US1946720A (en) * | 1932-03-29 | 1934-02-13 | Pearl J Stearns | Notch plate |
US2190556A (en) * | 1936-12-28 | 1940-02-13 | Firm F W Moll Sohne Maschinenf | Means for pulling down pit props or pillars |
DE1027157B (de) * | 1957-02-22 | 1958-04-03 | Karl Gerlach | Pfeiler fuer unterirdische Grubenbetriebe |
DE1027158B (de) * | 1957-07-06 | 1958-04-03 | Wilhelm Reppel | Kopf- und Fussplatte fuer Stuetzelemente aller Art im Grubenausbau, insbesondere fuer Grubenstempel |
DE1177588B (de) * | 1961-03-25 | 1964-09-10 | Gutehoffnungshuette Sterkrade | Kappe, insbesondere fuer den mechanisierten Strebausbau |
CH522804A (de) * | 1969-09-17 | 1972-05-15 | Casas Meriz Miguel | Einstellbare Stütze, insbesondere für Verschalungen |
US4004771A (en) * | 1972-09-09 | 1977-01-25 | Gewerkschaft Eisenhutte Westfalia | Ball-and-socket type connections for use with mining apparatus |
GB1535981A (en) * | 1976-08-04 | 1978-12-13 | Coal Ind | Underground roadway or tunnel support |
SU912947A1 (ru) * | 1979-12-25 | 1982-03-15 | Всесоюзный Ордена Трудового Красного Знамени Научно-Исследовательский Институт Горной Геомеханики И Маркшейдерского Дела "Вними" | Способ креплени подготовительных выработок нижних слоев на мощных пластах с труднообрушаемой кровлей |
DE3171989D1 (en) * | 1981-04-29 | 1985-10-03 | Gesteins & Tiefbau Gmbh | Method and device for filling the hollow space between the roof support of galleries and the rock by means of pipes containing a hardening filling |
US4773792A (en) * | 1987-07-20 | 1988-09-27 | Landers Phillip G | System for stabilizing structural elements |
US5149228A (en) * | 1991-06-26 | 1992-09-22 | Hl&H Timber Products (Proprietary) Limited | Prop preloading apparatus |
CA2061072C (en) * | 1992-02-12 | 1994-05-17 | Richard C. Ellithorpe | Adjustable column cap or base |
-
1993
- 1993-03-01 ZA ZA931433A patent/ZA931433B/xx unknown
- 1993-03-03 US US08/025,552 patent/US5427476A/en not_active Expired - Fee Related
- 1993-03-03 CA CA002090947A patent/CA2090947C/en not_active Expired - Fee Related
- 1993-03-04 PL PL93297938A patent/PL170323B1/pl unknown
Also Published As
Publication number | Publication date |
---|---|
CA2090947A1 (en) | 1993-09-05 |
CA2090947C (en) | 2003-06-17 |
US5427476A (en) | 1995-06-27 |
PL297938A1 (en) | 1993-09-20 |
PL170323B1 (pl) | 1996-11-29 |
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