Title:
CLOSING AND SEALING A BORE HOLE OR PIPE
Document Type and Number:
WIPO Patent Application WO/2012/000580
Kind Code:
A3
Abstract:
The invention relates to a closing device (1) for closing and sealing a bore hole (90) or pipe, in particular an underwater bore hole, comprising at least one bellows (3) made of rubber or a rubber-like material, characterized in that at least one fluid chamber (4), which is designed to accommodate expansion fluid and which can be filled with the expansion fluid, is provided in the bellows (3) or between the bellows (3) and a central body (7) arranged at least partially in the bellows (3), wherein the volume of the bellows (3) can be enlarged at least in the radial direction by filling the bellows with the expansion fluid, and the closing device (1) has at least one expansion fluid supply connection (5), by means of which expansion fluid can be introduced into the fluid chamber (4), and the closing device (1) has at least one retaining element (6), which is designed to transport the closing device and to insert the closing device (1) into a bore hole (90) or pipe. The invention further relates to a bellows for use for such a closing device, to a method for closing an underwater bore hole, and to a method for producing such a closing device.
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| WO/2017/109248 | RESERVOIR FOR PLUGGING DUCTS, AND SEALING DEVICE CONTAINING SAID RESERVOIR |
Inventors:
ALTINBILEK HASAN (DE)
Application Number:
PCT/EP2011/002220
Publication Date:
September 07, 2012
Filing Date:
May 04, 2011
Export Citation:
Assignee:
ALTINBILEK HASAN (DE)
International Classes:
F16L55/134; E21B33/12; E21B33/127
Domestic Patent References:
| WO2008148944A1 | 2008-12-11 |
Foreign References:
| EP1757770A1 | 2007-02-28 | |||
| EP0256949A1 | 1988-02-24 | |||
| FR2856456A1 | 2004-12-24 | |||
| US2843154A | 1958-07-15 | |||
| EP2177810A1 | 2010-04-21 | |||
| JP2004068843A | 2004-03-04 | |||
| US5771937A | 1998-06-30 |
Attorney, Agent or Firm:
GÜNTHER, Constantin (Lins & Partner GbRFreundallee 13a, Hannover, DE)
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