DE290940C - - Google Patents
Info
- Publication number
- DE290940C DE290940C DENDAT290940D DE290940DA DE290940C DE 290940 C DE290940 C DE 290940C DE NDAT290940 D DENDAT290940 D DE NDAT290940D DE 290940D A DE290940D A DE 290940DA DE 290940 C DE290940 C DE 290940C
- Authority
- DE
- Germany
- Prior art keywords
- drill
- drilling
- drive screw
- spindle
- pressure
- 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.)
- Active
Links
- 238000005553 drilling Methods 0.000 claims description 18
- 230000008878 coupling Effects 0.000 description 11
- 238000010168 coupling process Methods 0.000 description 11
- 238000005859 coupling reaction Methods 0.000 description 11
- 230000005540 biological transmission Effects 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000000284 resting effect Effects 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01B—PERMANENT WAY; PERMANENT-WAY TOOLS; MACHINES FOR MAKING RAILWAYS OF ALL KINDS
- E01B31/00—Working rails, sleepers, baseplates, or the like, in or on the line; Machines, tools, or auxiliary devices specially designed therefor
- E01B31/02—Working rail or other metal track components on the spot
- E01B31/06—Making holes, e.g. by drilling, punching, flame-cutting
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Drilling And Boring (AREA)
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE290940C true DE290940C (forum.php) |
Family
ID=545856
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DENDAT290940D Active DE290940C (forum.php) |
Country Status (1)
| Country | Link |
|---|---|
| DE (1) | DE290940C (forum.php) |
-
0
- DE DENDAT290940D patent/DE290940C/de active Active
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