FR793867A - Poteau de mine en deux pièces - Google Patents
Poteau de mine en deux piècesInfo
- Publication number
- FR793867A FR793867A FR793867DA FR793867A FR 793867 A FR793867 A FR 793867A FR 793867D A FR793867D A FR 793867DA FR 793867 A FR793867 A FR 793867A
- Authority
- FR
- France
- Prior art keywords
- piece
- mine post
- post
- piece mine
- mine
- 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
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
- E21D15/285—Telescopic props with parts held relatively to each other by friction or gripping by means of wedges or wedge combinations
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)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR793867T | 1935-08-17 |
Publications (1)
Publication Number | Publication Date |
---|---|
FR793867A true FR793867A (fr) | 1936-02-03 |
Family
ID=9233768
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR793867D Expired FR793867A (fr) | 1935-08-17 | 1935-08-17 | Poteau de mine en deux pièces |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR793867A (fr) |
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE767659C (de) * | 1935-07-30 | 1953-05-04 | Gerlach Karl | Eiserner Grubenstempel, dessen keilfoermiger Innenstempel unter der Wirkung von Keilen steht, die mit voneinander getrennten Flaechen am Innenstempel anliegen |
DE901763C (de) * | 1936-02-19 | 1954-01-14 | Ferdinand Wigand | Grubenstempel |
DE902365C (de) * | 1936-07-30 | 1954-01-21 | Rudolf Spolders | Wanderpfeiler |
DE937221C (de) * | 1936-08-04 | 1955-12-29 | Gerlach Karl | Stahlgrubenstempel |
DE937341C (de) * | 1937-08-20 | 1956-01-05 | Karl Gerlach | Grubenstempel |
DE971631C (de) * | 1934-11-23 | 1959-03-05 | Gerlach Karl | Eiserner Grubenstempel |
-
1935
- 1935-08-17 FR FR793867D patent/FR793867A/fr not_active Expired
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE971631C (de) * | 1934-11-23 | 1959-03-05 | Gerlach Karl | Eiserner Grubenstempel |
DE767659C (de) * | 1935-07-30 | 1953-05-04 | Gerlach Karl | Eiserner Grubenstempel, dessen keilfoermiger Innenstempel unter der Wirkung von Keilen steht, die mit voneinander getrennten Flaechen am Innenstempel anliegen |
DE901763C (de) * | 1936-02-19 | 1954-01-14 | Ferdinand Wigand | Grubenstempel |
DE902365C (de) * | 1936-07-30 | 1954-01-21 | Rudolf Spolders | Wanderpfeiler |
DE937221C (de) * | 1936-08-04 | 1955-12-29 | Gerlach Karl | Stahlgrubenstempel |
DE937341C (de) * | 1937-08-20 | 1956-01-05 | Karl Gerlach | Grubenstempel |
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