BE561114A - - Google Patents
Info
- Publication number
- BE561114A BE561114A BE561114DA BE561114A BE 561114 A BE561114 A BE 561114A BE 561114D A BE561114D A BE 561114DA BE 561114 A BE561114 A BE 561114A
- Authority
- BE
- Belgium
- Prior art keywords
- wedge
- connection
- bearing
- support
- eyelet
- Prior art date
Links
- 125000006850 spacer group Chemical group 0.000 claims description 9
- 230000002787 reinforcement Effects 0.000 claims description 8
- 230000035939 shock Effects 0.000 claims description 4
- 230000003014 reinforcing effect Effects 0.000 claims description 2
- 238000013016 damping Methods 0.000 description 8
- 230000008878 coupling Effects 0.000 description 6
- 238000010168 coupling process Methods 0.000 description 6
- 238000005859 coupling reaction Methods 0.000 description 6
- 238000010521 absorption reaction Methods 0.000 description 3
- 210000003462 vein Anatomy 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 210000003423 ankle Anatomy 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000000977 initiatory effect Effects 0.000 description 1
- 238000005065 mining Methods 0.000 description 1
- 210000000056 organ Anatomy 0.000 description 1
- 238000007665 sagging Methods 0.000 description 1
- 238000010008 shearing Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 230000003313 weakening effect Effects 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D17/00—Caps for supporting mine roofs
- E21D17/10—Details of mine caps for engaging the tops of pit-props, with or without retaining-plates; Retaining-plates
-
- 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
- E21D15/14—Telescopic props
- E21D15/16—Telescopic props with parts held together by positive means, with or without relative sliding movement when the prop is subject to excessive pressure
- E21D15/22—Telescopic props with parts held together by positive means, with or without relative sliding movement when the prop is subject to excessive pressure with member, pin, cross- piece, or the like, ruptured, sheared through, or permanently deformed upon excessive pressure
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)
- Mechanical Engineering (AREA)
- Structural Engineering (AREA)
- Mutual Connection Of Rods And Tubes (AREA)
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE561114A true BE561114A (enrdf_load_stackoverflow) |
Family
ID=183177
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE561114D BE561114A (enrdf_load_stackoverflow) |
Country Status (1)
| Country | Link |
|---|---|
| BE (1) | BE561114A (enrdf_load_stackoverflow) |
-
0
- BE BE561114D patent/BE561114A/fr unknown
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