Title: Apparatus for cleaning the interior faces of pipes or tubes

Abstract: An apparatus for cleaning the inside faces of pipes or tubes from foreign particles adhering thereto by means of flexible cleaning elements which are oversized relative to the pipe inside diameter to be cleaned, and which are forced through the pipes under hydraulic pressure. The invention is characterized by the fact that a screen is disposed in a casing in such a way that the sieve element is inclined in two different degrees of freedom relative to the centerline of the incoming liquid stream.

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Inventors: Riedel, Erich O. (Haan, DE)

Application Number: 06/205543
Filing Date: 1980-11-10
Publication_date: 1982-08-10
Assignee: RIEDEL TECHNIK GMBH

Primary Class(es): 210/391 210/446, 210/402
Other Classes: B08B9/04; F28G1/12; B08B9/02; F28G1/00; B01D29/02
US Patent Ref:

0603120	April, 1898	Worthington	210/498
3794164	February, 1974	Ginaven	210/499	HOPPER TYPE SEPARATING AND CLASSIFYING DEVICE
3833123	September, 1974	Walker	210/499	FILTERS
4246998	January, 1981	O'Ffill	210/499	Conical screen structure

Other Refs:
Primary Examiner: Adee, John
Assistant Examiner:
Attorney: Collard, Allison C.
Galgano, Thomas M.

Claims: