NL207091A - - Google Patents
Info
- Publication number
- NL207091A NL207091A NL207091DA NL207091A NL 207091 A NL207091 A NL 207091A NL 207091D A NL207091D A NL 207091DA NL 207091 A NL207091 A NL 207091A
- Authority
- NL
- Netherlands
Links
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH 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
-
- 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
- F16B13/065—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 the screw, nail or the like
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR805797X | 1955-05-13 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL207091A true NL207091A (en) |
Family
ID=9251504
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL207091D NL207091A (en) | 1955-05-13 | ||
| NL106156D NL106156C (en) | 1955-05-13 |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL106156D NL106156C (en) | 1955-05-13 |
Country Status (2)
| Country | Link |
|---|---|
| GB (1) | GB805797A (en) |
| NL (2) | NL106156C (en) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2138528A (en) * | 1983-04-16 | 1984-10-24 | Perard Torque Tension Ltd | Rock Bolt Assembly |
| EP0211100B1 (en) * | 1985-08-07 | 1990-03-07 | Mächtle GmbH | Heavy duty anchor with security means |
| SE539285C2 (en) * | 2013-02-07 | 2017-06-20 | Rock Solutions North AB | rock bolt |
| CA3082934A1 (en) * | 2017-11-20 | 2019-05-23 | Peter Bryce Catoi | Rock bolt |
| CN113863297B (en) * | 2021-09-29 | 2023-06-27 | 华北水利水电大学 | Sectional displacement multistage control negative poisson self-expansion anchor rod device |
| CN114934799B (en) * | 2022-07-26 | 2022-10-04 | 华北科技学院(中国煤矿安全技术培训中心) | Resistance-adjustable constant-resistance energy-absorbing anchor rod and using method thereof |
-
0
- NL NL207091D patent/NL207091A/xx unknown
- NL NL106156D patent/NL106156C/xx active
-
1956
- 1956-05-08 GB GB14219/56A patent/GB805797A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| NL106156C (en) | |
| GB805797A (en) | 1958-12-10 |