GB1257436A - - Google Patents
Info
- Publication number
- GB1257436A GB1257436A GB1257436DA GB1257436A GB 1257436 A GB1257436 A GB 1257436A GB 1257436D A GB1257436D A GB 1257436DA GB 1257436 A GB1257436 A GB 1257436A
- Authority
- GB
- United Kingdom
- Prior art keywords
- conduit
- conduits
- halliburton
- divisions
- heading
- 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
- BPQQTUXANYXVAA-UHFFFAOYSA-N Orthosilicate Chemical compound [O-][Si]([O-])([O-])[O-] BPQQTUXANYXVAA-UHFFFAOYSA-N 0.000 abstract 1
- 239000004568 cement Substances 0.000 abstract 1
- 239000002002 slurry Substances 0.000 abstract 1
- 239000007921 spray Substances 0.000 abstract 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21F—SAFETY DEVICES, TRANSPORT, FILLING-UP, RESCUE, VENTILATION, OR DRAINING IN OR OF MINES OR TUNNELS
- E21F17/00—Methods or devices for use in mines or tunnels, not covered elsewhere
- E21F17/103—Dams, e.g. for ventilation
- E21F17/12—Dam doors
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)
- Preparation Of Clay, And Manufacture Of Mixtures Containing Clay Or Cement (AREA)
- On-Site Construction Work That Accompanies The Preparation And Application Of Concrete (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB2787670 | 1970-06-09 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB1257436A true GB1257436A (ru) | 1971-12-15 |
Family
ID=10266729
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB1257436D Expired GB1257436A (ru) | 1970-06-09 | 1970-06-09 |
Country Status (1)
| Country | Link |
|---|---|
| GB (1) | GB1257436A (ru) |
-
1970
- 1970-06-09 GB GB1257436D patent/GB1257436A/en not_active Expired
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PS | Patent sealed | ||
| PLNP | Patent lapsed through nonpayment of renewal fees |