Exchanger of wall clearing shuttles

Details Exchanger of wall clearing shuttles Exchanger of wall clearing shuttles

2001-03-21

2002-07-02

Drodge, Joseph W. (Department: 1723)

Brushing, scrubbing, and general cleaning

Implements

Pipe, tube, or conduit cleaner

C015S003510

Reexamination Certificate

active

06412135

ABSTRACT:

BRIEF SUMMARY OF THE INVENTION
Machines for processing material such as are described in U.S. Pat. Nos. 5,427,680 and 6,070,417 process material at the wall of a reentrant lumen and employ a wall-clearing shuttle which recirculates through the lumen to clear from the lumen wall material which deposits thereon. The present invention effects replacement of a shuttle being used in such a machine with a different shuttle without interruption of the processing by diverting an operating shuttle from its normal channel to a replacement channel where it is exchanged for a new shuttle which then circulates around the lumen.


REFERENCES:
patent: 3116503 (1964-01-01), Bagwell
patent: 3158888 (1964-12-01), Ericson
patent: 5427680 (1995-06-01), Benson
patent: 6070417 (2000-06-01), Benson

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