Pipe conduit vehicle

Details Pipe conduit vehicle Pipe conduit vehicle

2005-09-20

2005-09-20

Till, Terrence R. (Department: 1744)

Brushing, scrubbing, and general cleaning

Implements

Pipe, tube, or conduit cleaner

Reexamination Certificate

active

06944902

ABSTRACT:
A pipe conduit vehicle having a substantially cylindrical housing and with at least one ring-shaped sealing element disposed between the outer side of the housing and the inner wall of the pipe conduit can be moved in the pipe conduit via the transport fluid flow. The pipe conduit vehicle thereby comprises at least one inlet opening and at least one outlet opening which form a bypass through the inner portion of the housing to reduce the pressure differential before and after the pipe conduit vehicle, wherein the at least one inlet opening is disposed on the outer surface of the cylindrical housing.

REFERENCES:
patent: 3088491 (1963-05-01), Howard
patent: 5208936 (1993-05-01), Campbell
patent: 5903946 (1999-05-01), Collins et al.
patent: 6070285 (2000-06-01), Geppert
patent: 6098231 (2000-08-01), Smith et al.
patent: 6190090 (2001-02-01), Campbell et al.
patent: 0 065 049 (1982-11-01), None
patent: WO 97 17566 (1997-05-01), None

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