CA2086705C - Plaque de grippage a pression pour boulons a roc - Google Patents
Plaque de grippage a pression pour boulons a rocInfo
- Publication number
- CA2086705C CA2086705C CA 2086705 CA2086705A CA2086705C CA 2086705 C CA2086705 C CA 2086705C CA 2086705 CA2086705 CA 2086705 CA 2086705 A CA2086705 A CA 2086705A CA 2086705 C CA2086705 C CA 2086705C
- Authority
- CA
- Canada
- Prior art keywords
- gripper plate
- leg portions
- base portion
- plate according
- gripper
- 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 - Lifetime
Links
- 239000011435 rock Substances 0.000 title claims abstract description 63
- 238000012216 screening Methods 0.000 claims abstract description 23
- 229910000639 Spring steel Inorganic materials 0.000 claims description 2
- 230000014759 maintenance of location Effects 0.000 description 9
- 238000009434 installation Methods 0.000 description 7
- 239000000463 material Substances 0.000 description 6
- 238000012360 testing method Methods 0.000 description 4
- 238000003780 insertion Methods 0.000 description 2
- 230000037431 insertion Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000005065 mining Methods 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 208000027418 Wounds and injury Diseases 0.000 description 1
- 238000009412 basement excavation Methods 0.000 description 1
- 230000000295 complement effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 208000014674 injury Diseases 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 230000003278 mimic effect Effects 0.000 description 1
- 238000004806 packaging method and process Methods 0.000 description 1
- 238000004080 punching Methods 0.000 description 1
- 230000000717 retained effect Effects 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
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
- E21D21/0086—Bearing plates
Landscapes
- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Structural Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
- Investigation Of Foundation Soil And Reinforcement Of Foundation Soil By Compacting Or Drainage (AREA)
- Combined Means For Separation Of Solids (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CA 2086705 CA2086705C (fr) | 1993-01-05 | 1993-01-05 | Plaque de grippage a pression pour boulons a roc |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CA 2086705 CA2086705C (fr) | 1993-01-05 | 1993-01-05 | Plaque de grippage a pression pour boulons a roc |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CA2086705A1 CA2086705A1 (fr) | 1994-07-06 |
| CA2086705C true CA2086705C (fr) | 1996-11-12 |
Family
ID=4150942
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA 2086705 Expired - Lifetime CA2086705C (fr) | 1993-01-05 | 1993-01-05 | Plaque de grippage a pression pour boulons a roc |
Country Status (1)
| Country | Link |
|---|---|
| CA (1) | CA2086705C (fr) |
-
1993
- 1993-01-05 CA CA 2086705 patent/CA2086705C/fr not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| CA2086705A1 (fr) | 1994-07-06 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| EEER | Examination request | ||
| MKEX | Expiry | ||
| MKEX | Expiry |
Effective date: 20130107 |