JPS4935481B1 - - Google Patents
Info
- Publication number
- JPS4935481B1 JPS4935481B1 JP37016673A JP1667362A JPS4935481B1 JP S4935481 B1 JPS4935481 B1 JP S4935481B1 JP 37016673 A JP37016673 A JP 37016673A JP 1667362 A JP1667362 A JP 1667362A JP S4935481 B1 JPS4935481 B1 JP S4935481B1
- Authority
- JP
- Japan
- 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.)
- Pending
Links
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D9/00—Tunnels or galleries, with or without linings; Methods or apparatus for making thereof; Layout of tunnels or galleries
- E21D9/10—Making by using boring or cutting machines
- E21D9/1006—Making by using boring or cutting machines with rotary cutting tools
- E21D9/104—Cutting tool fixtures
-
- 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
-
- 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
- E21C35/193—Means for fixing picks or holders using bolts as main fixing elements
- E21C35/1936—Means for fixing picks or holders using bolts as main fixing elements the picks having a square- or rectangular-section shank
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)
- Environmental & Geological Engineering (AREA)
- Excavating Of Shafts Or Tunnels (AREA)
- Earth Drilling (AREA)
- Extraction Or Liquid Replacement (AREA)
- Mixers Of The Rotary Stirring Type (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| AT129862 | 1962-02-16 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS4935481B1 true JPS4935481B1 (ja) | 1974-09-24 |
Family
ID=3510850
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP37016673A Pending JPS4935481B1 (ja) | 1962-02-16 | 1962-04-27 |
Country Status (3)
| Country | Link |
|---|---|
| JP (1) | JPS4935481B1 (ja) |
| ES (1) | ES285165A1 (ja) |
| GB (1) | GB988162A (ja) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1260412B (de) * | 1965-09-29 | 1968-02-08 | Beteiligungs & Patentverw Gmbh | Streckenvortriebsmaschine |
| DE10205124C1 (de) * | 2002-02-07 | 2003-04-17 | Dbt Gmbh | Gewinnungsvorrichtung |
-
1962
- 1962-04-27 JP JP37016673A patent/JPS4935481B1/ja active Pending
-
1963
- 1963-02-11 GB GB5521/63A patent/GB988162A/en not_active Expired
- 1963-02-15 ES ES285165A patent/ES285165A1/es not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| GB988162A (en) | 1965-04-07 |
| ES285165A1 (es) | 1963-05-01 |