BE519073A - - Google Patents
Info
- Publication number
- BE519073A BE519073A BE519073DA BE519073A BE 519073 A BE519073 A BE 519073A BE 519073D A BE519073D A BE 519073DA BE 519073 A BE519073 A BE 519073A
- Authority
- BE
- Belgium
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
- E21D15/50—Component parts or details of props
- E21D15/51—Component parts or details of props specially adapted to hydraulic, pneumatic, or hydraulic-pneumatic props, e.g. arrangements of relief valves
- E21D15/512—Arrangement of valves
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H63/00—Warning or safety devices, e.g. automatic fault detectors, stop-motions ; Quality control of the package
- B65H63/06—Warning or safety devices, e.g. automatic fault detectors, stop-motions ; Quality control of the package responsive to presence of irregularities in running material, e.g. for severing the material at irregularities ; Control of the correct working of the yarn cleaner
- B65H63/061—Mechanical slub catcher and detector
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H2701/00—Handled material; Storage means
- B65H2701/30—Handled filamentary material
- B65H2701/31—Textiles threads or artificial strands of filaments
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Mining & Mineral Resources (AREA)
- Structural Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
- Textile Engineering (AREA)
- Quality & Reliability (AREA)
- Check Valves (AREA)
- Pens And Brushes (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DEE5389A DE922525C (en) | 1952-04-26 | 1952-04-26 | Hydraulic pit ram |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE519073A true BE519073A (en) | 1953-04-30 |
Family
ID=6688673
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE519073D BE519073A (en) | 1952-04-26 | 1953-04-08 |
Country Status (4)
| Country | Link |
|---|---|
| BE (1) | BE519073A (en) |
| DE (1) | DE922525C (en) |
| FR (2) | FR1075743A (en) |
| GB (1) | GB780475A (en) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB746862A (en) * | 1953-09-04 | 1956-03-21 | Dowty Hydraulic Units Ltd | Improvements in hydraulic pit props |
| BE559146A (en) * | 1956-07-05 | |||
| DE1078516B (en) * | 1956-07-17 | 1960-03-31 | Bwg Bergwerk Walzwerk | Compliant hydraulic pit ram |
| DE1216057B (en) * | 1959-03-05 | 1966-05-05 | Bosch Gmbh Robert | Pressure relief valve |
| DE1094067B (en) * | 1958-06-25 | 1960-12-01 | Bwg Bergwerk Walzwerk | Overpressure valve, especially for hydraulic pit rams |
| DE1191777B (en) * | 1962-03-21 | 1965-04-29 | Salzgitter Maschinen Ag | Hydraulic support frame for longwall mining underground |
-
1952
- 1952-04-26 DE DEE5389A patent/DE922525C/en not_active Expired
-
1953
- 1953-03-20 FR FR1075743D patent/FR1075743A/en not_active Expired
- 1953-04-08 FR FR1075793D patent/FR1075793A/en not_active Expired
- 1953-04-08 BE BE519073D patent/BE519073A/xx unknown
- 1953-04-08 GB GB956453A patent/GB780475A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| GB780475A (en) | 1957-08-07 |
| FR1075743A (en) | 1954-10-19 |
| FR1075793A (en) | 1954-10-20 |
| DE922525C (en) | 1955-01-17 |