Brushing – scrubbing – and general cleaning – Implements – Pipe – tube – or conduit cleaner
Reexamination Certificate
2006-04-18
2006-04-18
Kim, John (Department: 1744)
Brushing, scrubbing, and general cleaning
Implements
Pipe, tube, or conduit cleaner
C015S104030, C015S003500, C134S008000
Reexamination Certificate
active
07028361
ABSTRACT:
A cleaning assembly for a pipe. The assembly comprises a sleeve, at least one magnet, and at least one moveable hollow member. The sleeve is moveably disposed on the outer wall of the pipe. The at least one magnet is disposed on the inner surface of the sleeve. The at least one moveable hollow member conforms to the profile of the pipe's interior and is disposed in the interior of the pipe and is metal. When an external force acts on the sleeve along the longitudinal axis of the pipe, the at least one moveable hollow member moves with the sleeve by means of magnetic attraction to clean condensed powder from the pipe.
REFERENCES:
patent: 3839085 (1974-10-01), Hulvey et al.
patent: 5157802 (1992-10-01), Guidry et al.
patent: 5626682 (1997-05-01), Kobari et al.
patent: 2630934 (1989-11-01), None
patent: 08246175 (1996-09-01), None
patent: 1697913 (1991-12-01), None
Balsis Shay
Birch & Stewart Kolasch & Birch, LLP
Kim John
Vanguard International Semiconductor Corporation
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