The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Date of Patent:
Jun. 15, 1976

Filed:

Aug. 14, 1974
Applicant:
Inventor:

Johann Wassen, Brackwede, DT;

Assignee:

Mannesmannrohren-Werke AG, Dusseldorf, DT;

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B08B / ; B08B / ; B08B / ;
U.S. Cl.
CPC ...
134-8 ; 134-7 ; 134 / ; 134 34 ;
Abstract

The wire-like, severed welding seam burr is removed from a, possibly, coiled pipe by filling the pipe with water under pressure the water containing solid particles and removing the burr with removal of the water as a column from the pipe.


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