Tube cleaning implement

Details Tube cleaning implement Tube cleaning implement

2006-09-28

2011-11-08

Nguyen, Dung Van (Department: 3723)

Brushing, scrubbing, and general cleaning

Implements

Pipe, tube, or conduit cleaner

C015S104050, C015S104200

Reexamination Certificate

active

08051523

ABSTRACT:
A tube cleaning implement with elongate shaft supporting a brush in a median section and similar scrapers or wipers fitted to opposite ends of the shaft to provide for a scrape-brush-scrape cleaning action of tube interiors, and to provide a reversible implement having extended useful life.

REFERENCES:
patent: 3319710 (1967-05-01), Heeren et al.
patent: 3939519 (1976-02-01), Muirhead
patent: 4069535 (1978-01-01), Cato
patent: 4124065 (1978-11-01), Leitner et al.
patent: 4643248 (1987-02-01), Voith et al.
patent: 5400456 (1995-03-01), Skibowski
patent: 5600863 (1997-02-01), Curran
patent: 6085376 (2000-07-01), Antal et al.
patent: 6145150 (2000-11-01), Knapp
patent: 6553602 (2003-04-01), Skarupa et al.
patent: 6574821 (2003-06-01), Dal Maso et al.

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