GB919033A - Improvements in or relating to coal-cutter picks - Google Patents
Improvements in or relating to coal-cutter picksInfo
- Publication number
- GB919033A GB919033A GB3454959A GB3454959A GB919033A GB 919033 A GB919033 A GB 919033A GB 3454959 A GB3454959 A GB 3454959A GB 3454959 A GB3454959 A GB 3454959A GB 919033 A GB919033 A GB 919033A
- Authority
- GB
- United Kingdom
- Prior art keywords
- pick
- shank
- box
- coal
- relating
- Prior art date
- Legal status (The legal status 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 status listed.)
- Expired
Links
- 238000005065 mining Methods 0.000 abstract 2
- 230000000295 complement effect Effects 0.000 abstract 1
- 230000000717 retained effect Effects 0.000 abstract 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21C—MINING OR QUARRYING
- E21C35/00—Details of, or accessories for, machines for slitting or completely freeing the mineral from the seam, not provided for in groups E21C25/00 - E21C33/00, E21C37/00 or E21C39/00
- E21C35/18—Mining picks; Holders therefor
- E21C35/19—Means for fixing picks or holders
Landscapes
- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Mechanical Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
- Processing Of Stones Or Stones Resemblance Materials (AREA)
Abstract
919,033. Mineral-mining picks. HOY & CO. Ltd., AUSTIN. Sept. 21, 1960 [Oct. 12, 1959; April 4, 1960], Nos. 34549/59 and 11856/60. Class 68 (1). The shank of a mineral-mining pick is retained in a complementary section socket 12 in a pick box 13 by a latch 21 that is mounted in the shank of the pick and is biased outwards of the shank by spring means 18 associated with the shank to engage a latching surface 23 in the socket, and is withdrawn from said surface by a suitable tool inserted through a bore 23 in either the box or the pick to force the latch back into the shank against the spring means. Five other preferred embodiments of pick box and pick to the one shown are also described.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB3454959A GB919033A (en) | 1959-10-12 | 1959-10-12 | Improvements in or relating to coal-cutter picks |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB3454959A GB919033A (en) | 1959-10-12 | 1959-10-12 | Improvements in or relating to coal-cutter picks |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB919033A true GB919033A (en) | 1963-02-20 |
Family
ID=10367001
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB3454959A Expired GB919033A (en) | 1959-10-12 | 1959-10-12 | Improvements in or relating to coal-cutter picks |
Country Status (1)
| Country | Link |
|---|---|
| GB (1) | GB919033A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2132254A (en) * | 1982-12-21 | 1984-07-04 | Dosco Overseas Eng Ltd | Mineral cutting pick |
| CN111075364A (en) * | 2020-01-10 | 2020-04-28 | 新疆恒智伟业石油工程技术开发有限公司 | Clean well completion pipe string and process for high-temperature and high-pressure oil and gas well |
-
1959
- 1959-10-12 GB GB3454959A patent/GB919033A/en not_active Expired
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2132254A (en) * | 1982-12-21 | 1984-07-04 | Dosco Overseas Eng Ltd | Mineral cutting pick |
| CN111075364A (en) * | 2020-01-10 | 2020-04-28 | 新疆恒智伟业石油工程技术开发有限公司 | Clean well completion pipe string and process for high-temperature and high-pressure oil and gas well |
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