Mechanisms to set a hollow device into and to retrieve said...

Details Mechanisms to set a hollow device into and to retrieve said... Mechanisms to set a hollow device into and to retrieve said...

2005-01-11

2005-01-11

Brinson, Patrick (Department: 3752)

Pipes and tubular conduits

With closures and plugs

Laterally insertable

C138S094300, C137S315410, C251S326000

Reexamination Certificate

active

06840282

ABSTRACT:
A method to set a hollow device into an undersea flow pipe uses a flexible pig driven by a flow flowing into said flow pipe to displace a hollow device to a point where a stop means halts a displacement of said hollow device, thereby setting said hollow device into position. A method to retrieve a hollow device into an undersea flow pipe uses a flexible pig driven by a flow flowing into said flow pipe to retrieve said hollow device from a location where said hollow device operates halted by a stopping means.

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