FR1279674A - Tiges d'ancrage avec têtes extensibles pour mines, carrières ou autres emplois - Google Patents
Tiges d'ancrage avec têtes extensibles pour mines, carrières ou autres emploisInfo
- Publication number
- FR1279674A FR1279674A FR8137A FR42008137A FR1279674A FR 1279674 A FR1279674 A FR 1279674A FR 8137 A FR8137 A FR 8137A FR 42008137 A FR42008137 A FR 42008137A FR 1279674 A FR1279674 A FR 1279674A
- Authority
- FR
- France
- Prior art keywords
- quarries
- mines
- jobs
- extendable
- heads
- 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
- E21D21/00—Anchoring-bolts for roof, floor in galleries or longwall working, or shaft-lining protection
- E21D21/008—Anchoring or tensioning means
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16B—DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
- F16B13/00—Dowels or other devices fastened in walls or the like by inserting them in holes made therein for that purpose
- F16B13/04—Dowels or other devices fastened in walls or the like by inserting them in holes made therein for that purpose with parts gripping in the hole or behind the reverse side of the wall after inserting from the front
- F16B13/06—Dowels or other devices fastened in walls or the like by inserting them in holes made therein for that purpose with parts gripping in the hole or behind the reverse side of the wall after inserting from the front combined with expanding sleeve
- F16B13/063—Dowels or other devices fastened in walls or the like by inserting them in holes made therein for that purpose with parts gripping in the hole or behind the reverse side of the wall after inserting from the front combined with expanding sleeve by the use of an expander
- F16B13/066—Dowels or other devices fastened in walls or the like by inserting them in holes made therein for that purpose with parts gripping in the hole or behind the reverse side of the wall after inserting from the front combined with expanding sleeve by the use of an expander fastened by extracting a separate expander-part, actuated by the screw, nail or the like
Landscapes
- Engineering & Computer Science (AREA)
- General 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)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR8137A FR1279674A (fr) | 1961-01-14 | 1961-01-14 | Tiges d'ancrage avec têtes extensibles pour mines, carrières ou autres emplois |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR8137A FR1279674A (fr) | 1961-01-14 | 1961-01-14 | Tiges d'ancrage avec têtes extensibles pour mines, carrières ou autres emplois |
Publications (1)
Publication Number | Publication Date |
---|---|
FR1279674A true FR1279674A (fr) | 1961-12-22 |
Family
ID=8572994
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR8137A Expired FR1279674A (fr) | 1961-01-14 | 1961-01-14 | Tiges d'ancrage avec têtes extensibles pour mines, carrières ou autres emplois |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR1279674A (fr) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0543723A1 (fr) * | 1991-11-22 | 1993-05-26 | Societe De Prospection Et D'inventions Techniques Spit | Douille tubulaire de cheville à noyau d'expansion |
FR2841612A1 (fr) * | 2002-06-28 | 2004-01-02 | Renault Sa | Dispositif de fixation expansible pour l'ancrage d'un equipement a support |
WO2008061608A1 (fr) * | 2006-11-23 | 2008-05-29 | Fischerwerke Gmbh & Co. Kg | Rivet aveugle |
-
1961
- 1961-01-14 FR FR8137A patent/FR1279674A/fr not_active Expired
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0543723A1 (fr) * | 1991-11-22 | 1993-05-26 | Societe De Prospection Et D'inventions Techniques Spit | Douille tubulaire de cheville à noyau d'expansion |
FR2684145A1 (fr) * | 1991-11-22 | 1993-05-28 | Prospection & Inventions | Douille tubulaire de cheville a noyau d'expansion. |
FR2841612A1 (fr) * | 2002-06-28 | 2004-01-02 | Renault Sa | Dispositif de fixation expansible pour l'ancrage d'un equipement a support |
WO2008061608A1 (fr) * | 2006-11-23 | 2008-05-29 | Fischerwerke Gmbh & Co. Kg | Rivet aveugle |
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