PLUGGING DEVICE
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United States of America Patent
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Issued Date -
Dec 5, 2013
app pub date -
Nov 21, 2011
filing date -
Dec 15, 2010
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
The invention relates to a plugging device (1) comprising a packer device (4) for pressure tight sealing of a pipe. The packer device (4) comprises a first outer packer supporting device (20), a second outer packer supporting device (22) and an outer packer body (50) provided axially between the first packer supporting device (20) and the second packer supporting device (22). The outer packer (50) is movable between a radially retracted position and a radially expanded position by an axial movement between the first and second outer packer supporting devices (20, 22). The packer device 4 further comprises a first inner packer supporting device (12), a second inner packer supporting device (14) and an inner packer body (15) provided axially between the first inner packer supporting device (12) and the second inner packer supporting device (14). The inner packer body (15) is provided radially inside the outer packer body (50) when the outer body is in the radially expanded position. The inner packer body (15) is movable between a radially retracted position and a radially expanded position by an axial movement between the first and second inner packer supporting devices (12) and (14).
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