PL77541B1 - - Google Patents
Download PDFInfo
- Publication number
- PL77541B1 PL77541B1 PL15394672A PL15394672A PL77541B1 PL 77541 B1 PL77541 B1 PL 77541B1 PL 15394672 A PL15394672 A PL 15394672A PL 15394672 A PL15394672 A PL 15394672A PL 77541 B1 PL77541 B1 PL 77541B1
- Authority
- PL
- Poland
- Prior art keywords
- stand
- canopy
- head
- bracket
- support
- Prior art date
Links
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 238000006073 displacement reaction Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005242 forging Methods 0.000 description 2
- 238000005096 rolling process Methods 0.000 description 2
- 210000001562 sternum Anatomy 0.000 description 2
- 238000005452 bending Methods 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 238000002788 crimping Methods 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
- 230000000284 resting effect Effects 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D11/00—Lining tunnels, galleries or other underground cavities, e.g. large underground chambers; Linings therefor; Making such linings in situ, e.g. by assembling
- E21D11/14—Lining predominantly with metal
- E21D11/34—Joints between vertical props and horizontal top bars
Landscapes
- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
- Automobile Manufacture Line, Endless Track Vehicle, Trailer (AREA)
- Mutual Connection Of Rods And Tubes (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19712112111 DE2112111A1 (de) | 1971-03-13 | 1971-03-13 | Verbinder zum Festlegen der Kappe an den sie unterstuetzenden Stempeln bei tuerstockartigen Ausbaurahmen |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| PL77541B1 true PL77541B1 (enExample) | 1975-04-30 |
Family
ID=5801427
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PL15394672A PL77541B1 (enExample) | 1971-03-13 | 1972-03-09 |
Country Status (4)
| Country | Link |
|---|---|
| AT (1) | AT317814B (enExample) |
| DE (1) | DE2112111A1 (enExample) |
| FR (1) | FR2130162B1 (enExample) |
| PL (1) | PL77541B1 (enExample) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| ATE37741T1 (de) * | 1982-04-20 | 1988-10-15 | Lorenz Polygon Ausbau Gmbh | Sicherheitskappschuh. |
-
1971
- 1971-03-13 DE DE19712112111 patent/DE2112111A1/de active Pending
-
1972
- 1972-03-06 AT AT185072A patent/AT317814B/de not_active IP Right Cessation
- 1972-03-09 PL PL15394672A patent/PL77541B1/pl unknown
- 1972-03-13 FR FR7208606A patent/FR2130162B1/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| FR2130162B1 (enExample) | 1975-04-25 |
| FR2130162A1 (enExample) | 1972-11-03 |
| DE2112111A1 (de) | 1972-10-05 |
| AT317814B (de) | 1974-09-10 |
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