GB1419900A - Bit and block assembly - Google Patents
Bit and block assemblyInfo
- Publication number
- GB1419900A GB1419900A GB2506974A GB2506974A GB1419900A GB 1419900 A GB1419900 A GB 1419900A GB 2506974 A GB2506974 A GB 2506974A GB 2506974 A GB2506974 A GB 2506974A GB 1419900 A GB1419900 A GB 1419900A
- Authority
- GB
- United Kingdom
- Prior art keywords
- mineral
- sleeve
- bit
- block
- protuberances
- 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
- 230000000712 assembly Effects 0.000 abstract 1
- 238000000429 assembly Methods 0.000 abstract 1
- 229910052500 inorganic mineral Inorganic materials 0.000 abstract 1
- 239000011707 mineral Substances 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
- E21C35/183—Mining picks; Holders therefor with inserts or layers of wear-resisting material
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)
- Drilling And Exploitation, And Mining Machines And Methods (AREA)
Abstract
1419900 Mineral-mining pick assemblies G W ELDERS 6 June 1974 25069/74 Heading E1F Rotation of a point attack, mineral-mining bit 16 non-rotatably secured in a sleeve 25 rotatable in a bore 11 in a block 10 is obtained from engagement of the mineral being mined by the pick with protuberances on the enlarged head 13 of the sleeve 25 as the block is advanced, the protuberances, which may be fins 42 or knobs disposed in circumferentially spaced rows on the head, extending generally longitudinally of and at an angle to the longitudinal axis of the sleeve.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB2506974A GB1419900A (en) | 1974-06-06 | 1974-06-06 | Bit and block assembly |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB2506974A GB1419900A (en) | 1974-06-06 | 1974-06-06 | Bit and block assembly |
Publications (1)
Publication Number | Publication Date |
---|---|
GB1419900A true GB1419900A (en) | 1975-12-31 |
Family
ID=10221709
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB2506974A Expired GB1419900A (en) | 1974-06-06 | 1974-06-06 | Bit and block assembly |
Country Status (1)
Country | Link |
---|---|
GB (1) | GB1419900A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4702525A (en) * | 1985-04-08 | 1987-10-27 | Sollami Phillip A | Conical bit |
-
1974
- 1974-06-06 GB GB2506974A patent/GB1419900A/en not_active Expired
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4702525A (en) * | 1985-04-08 | 1987-10-27 | Sollami Phillip A | Conical bit |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PS | Patent sealed | ||
PCNP | Patent ceased through non-payment of renewal fee |