IT1234444B - Boring machine for pressurised chutes - Google Patents
Boring machine for pressurised chutesInfo
- Publication number
- IT1234444B IT1234444B IT8909418A IT941889A IT1234444B IT 1234444 B IT1234444 B IT 1234444B IT 8909418 A IT8909418 A IT 8909418A IT 941889 A IT941889 A IT 941889A IT 1234444 B IT1234444 B IT 1234444B
- Authority
- IT
- Italy
- Prior art keywords
- valve
- machine
- pressurised
- chutes
- flange
- Prior art date
Links
- 238000004873 anchoring Methods 0.000 abstract 3
- 238000007789 sealing Methods 0.000 abstract 1
Landscapes
- Earth Drilling (AREA)
Abstract
The present invention relates to a boring machine for pressurised chutes, said machine being provided with a valve and comprising: a ring, anchoring element (16), divided into at least two segments (18, 20) that may be coupled to cover the whole final joint (7B) of the valve (7) and to hold to the relieves (14) of said valve. The machine also comprises a flange (22) that must be set on the guiding head of the boring tool of the present machine (36) and that may be closed with the anchoring device (16). Finally, a ring seal (40) is also envisaged, said seal being set and closed between said flange (22) and the final joint (7B) of the valve (7) with the closure of said flange (22) with the anchoring device (16), in order to guarantee a stable sealing.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
IT8909418A IT1234444B (en) | 1989-05-12 | 1989-05-12 | Boring machine for pressurised chutes |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
IT8909418A IT1234444B (en) | 1989-05-12 | 1989-05-12 | Boring machine for pressurised chutes |
Publications (2)
Publication Number | Publication Date |
---|---|
IT8909418A0 IT8909418A0 (en) | 1989-05-12 |
IT1234444B true IT1234444B (en) | 1992-05-18 |
Family
ID=11129854
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
IT8909418A IT1234444B (en) | 1989-05-12 | 1989-05-12 | Boring machine for pressurised chutes |
Country Status (1)
Country | Link |
---|---|
IT (1) | IT1234444B (en) |
-
1989
- 1989-05-12 IT IT8909418A patent/IT1234444B/en active
Also Published As
Publication number | Publication date |
---|---|
IT8909418A0 (en) | 1989-05-12 |
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