GB8507822D0 - Excavating equipment - Google Patents
Excavating equipmentInfo
- Publication number
- GB8507822D0 GB8507822D0 GB858507822A GB8507822A GB8507822D0 GB 8507822 D0 GB8507822 D0 GB 8507822D0 GB 858507822 A GB858507822 A GB 858507822A GB 8507822 A GB8507822 A GB 8507822A GB 8507822 D0 GB8507822 D0 GB 8507822D0
- Authority
- GB
- United Kingdom
- Prior art keywords
- excavating equipment
- excavating
- equipment
- 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.)
- Withdrawn
Links
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D9/00—Tunnels or galleries, with or without linings; Methods or apparatus for making thereof; Layout of tunnels or galleries
- E21D9/06—Making by using a driving shield, i.e. advanced by pushing means bearing against the already placed lining
- E21D9/08—Making by using a driving shield, i.e. advanced by pushing means bearing against the already placed lining with additional boring or cutting means other than the conventional cutting edge of the shield
- E21D9/0875—Making by using a driving shield, i.e. advanced by pushing means bearing against the already placed lining with additional boring or cutting means other than the conventional cutting edge of the shield with a movable support arm carrying cutting tools for attacking the front face, e.g. a bucket
Landscapes
- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Environmental & Geological Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
- Excavating Of Shafts Or Tunnels (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB08507822A GB2172918A (en) | 1985-03-26 | 1985-03-26 | Excavating equipment |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB08507822A GB2172918A (en) | 1985-03-26 | 1985-03-26 | Excavating equipment |
Publications (2)
Publication Number | Publication Date |
---|---|
GB8507822D0 true GB8507822D0 (en) | 1985-05-01 |
GB2172918A GB2172918A (en) | 1986-10-01 |
Family
ID=10576653
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB08507822A Withdrawn GB2172918A (en) | 1985-03-26 | 1985-03-26 | Excavating equipment |
Country Status (1)
Country | Link |
---|---|
GB (1) | GB2172918A (en) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102305083A (en) * | 2011-08-01 | 2012-01-04 | 北京市三一重机有限公司 | Shield machine and anterior shield system thereof |
CN105649640B (en) * | 2016-02-01 | 2017-12-08 | 中铁十六局集团北京轨道交通工程建设有限公司 | A kind of construction method for preventing shield roof fall in construction |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2554107C2 (en) * | 1975-12-02 | 1984-01-05 | Gewerkschaft Eisenhütte Westfalia, 4670 Lünen | Extension unit serving as a protective support for a tunneling machine |
GB1532875A (en) * | 1976-06-22 | 1978-11-22 | Coal Ind | Underground roadway support equipment |
GB1596736A (en) * | 1978-05-31 | 1981-08-26 | Dobson Park Ind | Mining machine |
-
1985
- 1985-03-26 GB GB08507822A patent/GB2172918A/en not_active Withdrawn
Also Published As
Publication number | Publication date |
---|---|
GB2172918A (en) | 1986-10-01 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
WAP | Application withdrawn, taken to be withdrawn or refused ** after publication under section 16(1) |