CS156521B2 - - Google Patents
Info
- Publication number
- CS156521B2 CS156521B2 CS632671A CS632671A CS156521B2 CS 156521 B2 CS156521 B2 CS 156521B2 CS 632671 A CS632671 A CS 632671A CS 632671 A CS632671 A CS 632671A CS 156521 B2 CS156521 B2 CS 156521B2
- Authority
- CS
- Czechoslovakia
Links
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D17/00—Caps for supporting mine roofs
- E21D17/02—Cantilever extension or similar protecting devices
- E21D17/08—Cap joints for obtaining a coal-face free of pit-props
- E21D17/086—Cap joints for obtaining a coal-face free of pit-props or articulated type
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T403/00—Joints and connections
- Y10T403/32—Articulated members
- Y10T403/32254—Lockable at fixed position
- Y10T403/32262—At selected angle
- Y10T403/32319—At selected angle including pivot stud
- Y10T403/32409—Members locked in axial alignment
Landscapes
- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
- Hooks, Suction Cups, And Attachment By Adhesive Means (AREA)
- Bridges Or Land Bridges (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE7033832U DE7033832U (de) | 1970-09-11 | 1970-09-11 | Gelenkkappe fuer einen wandernden ausbau von bergmaennischen gewinnungsbetrieben. |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CS156521B2 true CS156521B2 (en:Method) | 1974-07-24 |
Family
ID=6614289
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CS632671A CS156521B2 (en:Method) | 1970-09-11 | 1971-09-03 |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US3762172A (en:Method) |
| BE (1) | BE772469A (en:Method) |
| CS (1) | CS156521B2 (en:Method) |
| DE (1) | DE7033832U (en:Method) |
| FR (1) | FR2107814B2 (en:Method) |
Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1033613B (de) * | 1946-07-23 | 1958-07-10 | Dipl Berging Karl Maria Groets | Schloss von gelenkig miteinander verbundenen Schaleisen fuer den wanderden Strebausbau |
| BE499766A (en:Method) * | 1948-07-08 | |||
| NL70049C (en:Method) * | 1948-07-30 | |||
| FR983542A (fr) * | 1948-10-01 | 1951-06-25 | Assemblage pour poutres de soutènement au fond de mines et analogues | |
| GB766495A (en) * | 1954-11-26 | 1957-01-23 | Becorit Grubenausbau Gmbh | Improvements in or relating to mine-roof laggings |
| DE1243127B (de) * | 1959-03-04 | 1967-06-29 | Karl Gerlach | Verfahren zum Strebausbau mittels zweier Reihen von Grubenstempeln mit grosser Kopf- und Fussplatte und Grubenstempel zur Durchfuehrung dieses Verfahrens |
| DE1221177B (de) * | 1965-05-08 | 1966-07-21 | Gewerk Eisenhuette Westfalia | Kappenzug fuer rueckbare hydraulische Ausbaugestelle mit Vorpfaendkappen |
| NL6600679A (en:Method) * | 1966-01-19 | 1967-07-20 | ||
| US3455113A (en) * | 1966-08-11 | 1969-07-15 | Gewerk Eisenhuette Westfalia | Multi-sectional roof cap for mine roof supporting prop means |
-
1970
- 1970-09-11 DE DE7033832U patent/DE7033832U/de not_active Expired
-
1971
- 1971-09-03 CS CS632671A patent/CS156521B2/cs unknown
- 1971-09-03 FR FR7131860A patent/FR2107814B2/fr not_active Expired
- 1971-09-10 US US00179373A patent/US3762172A/en not_active Expired - Lifetime
- 1971-09-10 BE BE772469A patent/BE772469A/xx not_active IP Right Cessation
Also Published As
| Publication number | Publication date |
|---|---|
| FR2107814A2 (en:Method) | 1972-05-12 |
| US3762172A (en) | 1973-10-02 |
| DE7033832U (de) | 1971-01-28 |
| FR2107814B2 (en:Method) | 1977-01-21 |
| BE772469A (fr) | 1972-01-17 |