ZA718251B - Connecting means between a support cap and a prop head for pit props as used in the mining industry - Google Patents
Connecting means between a support cap and a prop head for pit props as used in the mining industryInfo
- Publication number
- ZA718251B ZA718251B ZA718251A ZA718251A ZA718251B ZA 718251 B ZA718251 B ZA 718251B ZA 718251 A ZA718251 A ZA 718251A ZA 718251 A ZA718251 A ZA 718251A ZA 718251 B ZA718251 B ZA 718251B
- Authority
- ZA
- South Africa
- Prior art keywords
- connecting means
- mining industry
- support cap
- prop head
- pit props
- Prior art date
Links
- 238000005065 mining Methods 0.000 title 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D17/00—Caps for supporting mine roofs
- E21D17/10—Details of mine caps for engaging the tops of pit-props, with or without retaining-plates; Retaining-plates
-
- 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
- E21D15/50—Component parts or details of props
- E21D15/54—Details of the ends of props
Landscapes
- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
- Mechanical Engineering (AREA)
- Structural Engineering (AREA)
- Pit Excavations, Shoring, Fill Or Stabilisation Of Slopes (AREA)
- Snaps, Bayonet Connections, Set Pins, And Snap Rings (AREA)
- Insertion Pins And Rivets (AREA)
- Bridges Or Land Bridges (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE2110497A DE2110497B2 (en) | 1971-03-05 | 1971-03-05 | Cap holder for pit punches |
Publications (1)
Publication Number | Publication Date |
---|---|
ZA718251B true ZA718251B (en) | 1972-08-30 |
Family
ID=5800583
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
ZA718251A ZA718251B (en) | 1971-03-05 | 1971-12-09 | Connecting means between a support cap and a prop head for pit props as used in the mining industry |
Country Status (5)
Country | Link |
---|---|
US (1) | US3782673A (en) |
DE (1) | DE2110497B2 (en) |
FR (1) | FR2128583B2 (en) |
GB (1) | GB1364979A (en) |
ZA (1) | ZA718251B (en) |
Families Citing this family (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4004771A (en) * | 1972-09-09 | 1977-01-25 | Gewerkschaft Eisenhutte Westfalia | Ball-and-socket type connections for use with mining apparatus |
FR2429925A1 (en) * | 1978-06-29 | 1980-01-25 | Charbonnages De France | BALL JOINT FOR TRANSMISSION OF SUPPORT IN TRACTION |
US4522000A (en) * | 1981-05-04 | 1985-06-11 | Barari Fred S | Earthquake safety support for transportable building |
FR2505925A1 (en) * | 1981-05-12 | 1982-11-19 | Alsace Mines Potasse | MECHANICAL DEVICE FOR CONNECTING HEAD BETWEEN HEAD OR PEDESTAL HEAD AND PACKAGE OR HAT FOR HOLDING BATTERIES |
GB2126640A (en) * | 1982-09-09 | 1984-03-28 | Evans & Sons Ltd C | Drop-head support assembly with adjustable head-plate |
GB2143272B (en) * | 1983-07-14 | 1987-05-07 | Scaffolding | Improvements in or relating to scaffolding |
DE102006055306B4 (en) | 2006-11-23 | 2010-10-07 | Peri Gmbh | Support head for slab formwork |
CN102337909B (en) * | 2010-07-16 | 2015-03-25 | 李泽宇 | Socket |
CN109488351A (en) * | 2018-09-29 | 2019-03-19 | 天地科技股份有限公司 | A kind of adaptive top beam of advanced hydraulic support |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US926638A (en) * | 1909-05-08 | 1909-06-29 | Edmund Barton | Toy tree-holder. |
DE2006088B2 (en) * | 1970-02-11 | 1973-07-12 | CAP HOLDER FOR PIT STAMP |
-
1971
- 1971-03-05 DE DE2110497A patent/DE2110497B2/en not_active Withdrawn
- 1971-12-09 ZA ZA718251A patent/ZA718251B/en unknown
-
1972
- 1972-02-22 GB GB822672A patent/GB1364979A/en not_active Expired
- 1972-03-01 US US00230604A patent/US3782673A/en not_active Expired - Lifetime
- 1972-03-03 FR FR727207442A patent/FR2128583B2/fr not_active Expired
Also Published As
Publication number | Publication date |
---|---|
DE2110497A1 (en) | 1972-09-07 |
US3782673A (en) | 1974-01-01 |
DE2110497B2 (en) | 1973-11-22 |
FR2128583A2 (en) | 1972-10-20 |
GB1364979A (en) | 1974-08-29 |
FR2128583B2 (en) | 1974-06-28 |
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