FR1091607A - Ciseau haveur à tranchant en métal dur - Google Patents
Ciseau haveur à tranchant en métal durInfo
- Publication number
- FR1091607A FR1091607A FR1091607DA FR1091607A FR 1091607 A FR1091607 A FR 1091607A FR 1091607D A FR1091607D A FR 1091607DA FR 1091607 A FR1091607 A FR 1091607A
- Authority
- FR
- France
- Prior art keywords
- chisel
- hard metal
- metal edge
- edge
- hard
- 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
- 239000002184 metal Substances 0.000 title 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
-
- 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
- E21C35/1837—Mining picks; Holders therefor with inserts or layers of wear-resisting material characterised by the shape
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)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR1091607T | 1948-12-15 |
Publications (1)
Publication Number | Publication Date |
---|---|
FR1091607A true FR1091607A (fr) | 1955-04-13 |
Family
ID=9615503
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR1091607D Expired FR1091607A (fr) | 1948-12-15 | 1948-12-15 | Ciseau haveur à tranchant en métal dur |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR1091607A (fr) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3239275A (en) * | 1961-04-17 | 1966-03-08 | Charbonnage De France | Mining pick |
-
1948
- 1948-12-15 FR FR1091607D patent/FR1091607A/fr not_active Expired
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3239275A (en) * | 1961-04-17 | 1966-03-08 | Charbonnage De France | Mining pick |
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