Brushing – scrubbing – and general cleaning – Implements – Pipe – tube – or conduit cleaner
Patent
1992-12-22
1995-11-14
Roberts, Edward L.
Brushing, scrubbing, and general cleaning
Implements
Pipe, tube, or conduit cleaner
1510407, 1510416, B08B 902
Patent
active
054654483
ABSTRACT:
The present invention provides a pipe interior cleaning apparatus which can be operated at an inexpensive cost and with no special facility required, assuring an improved derusting effect. This pipe interior cleaning apparatus comprises a rod-like guide, knobs provided at opposite ends of said guide, and a cleaning member into which said guide is inserted and which is made to be slidable along said guide.
REFERENCES:
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patent: 1611820 (1926-12-01), Delo
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patent: 2402314 (1946-06-01), Crane
patent: 2808852 (1957-10-01), Brant
patent: 2991493 (1961-07-01), Haas
patent: 3108302 (1963-10-01), Whiteis
patent: 4462430 (1984-07-01), Anthony et al.
Tajima Itsuho
Tajima Yoshitaka
Roberts Edward L.
Tajima Denken Co., Ltd.
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