DE163761C - - Google Patents
Info
- Publication number
- DE163761C DE163761C DENDAT163761D DE163761DA DE163761C DE 163761 C DE163761 C DE 163761C DE NDAT163761 D DENDAT163761 D DE NDAT163761D DE 163761D A DE163761D A DE 163761DA DE 163761 C DE163761 C DE 163761C
- Authority
- DE
- Germany
- Prior art keywords
- parts
- iron
- punch
- stamp
- stamps
- 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
- XEEYBQQBJWHFJM-UHFFFAOYSA-N iron Substances [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 13
- 229910052742 iron Inorganic materials 0.000 description 9
- 230000008878 coupling Effects 0.000 description 4
- 238000010168 coupling process Methods 0.000 description 4
- 238000005859 coupling reaction Methods 0.000 description 4
- 239000000463 material Substances 0.000 description 2
- 239000011435 rock Substances 0.000 description 2
- 229910001018 Cast iron Inorganic materials 0.000 description 1
- 229910000746 Structural steel Inorganic materials 0.000 description 1
- 150000002505 iron Chemical class 0.000 description 1
- 235000000396 iron Nutrition 0.000 description 1
- 238000005065 mining Methods 0.000 description 1
- 235000020004 porter Nutrition 0.000 description 1
- 102000012498 secondary active transmembrane transporter activity proteins Human genes 0.000 description 1
- 108040003878 secondary active transmembrane transporter activity proteins Proteins 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D15/00—Props; Chocks, e.g. made of flexible containers filled with backfilling material
- E21D15/14—Telescopic props
- E21D15/28—Telescopic props with parts held relatively to each other by friction or gripping
- E21D15/32—Telescopic props with parts held relatively to each other by friction or gripping by a deformable collar or clamping means applied symmetrically inside a locking ring
- E21D15/325—Telescopic props with parts held relatively to each other by friction or gripping by a deformable collar or clamping means applied symmetrically inside a locking ring by a clamping ring
Landscapes
- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Mechanical Engineering (AREA)
- Structural Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
- Footwear And Its Accessory, Manufacturing Method And Apparatuses (AREA)
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE163761C true DE163761C (enrdf_load_stackoverflow) |
Family
ID=429412
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DENDAT163761D Active DE163761C (enrdf_load_stackoverflow) |
Country Status (1)
| Country | Link |
|---|---|
| DE (1) | DE163761C (enrdf_load_stackoverflow) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE927148C (de) * | 1938-12-28 | 1955-05-02 | Karl Gerlach | Stahlgrubenstempel |
-
0
- DE DENDAT163761D patent/DE163761C/de active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE927148C (de) * | 1938-12-28 | 1955-05-02 | Karl Gerlach | Stahlgrubenstempel |
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