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:
Dec. 24, 1985

Filed:

Jan. 14, 1983
Applicant:
Inventors:

Hans Tolle, Wuppertal, DE;

Karl Frech, Lippstadt, DE;

Hartmut Ludke, Lippstadt, DE;

Assignees:
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B29C / ;
U.S. Cl.
CPC ...
427134 ; 51298 ; 51309 ; 51313 ; 51317 ; 51DI / ; 106 3825 ; 427133 ; 427242 ; 427289 ; 427346 ; 427355 ;
Abstract

A process for the deburring of bonded moldings of granular material, for example, casting sand cores, by coating them in the same operation with a surface layer. The moldings are circulated within an annular vibrator together with an abrasive body medium which contains a powdered coating agent, the medium being preferably deflocculated by an approximately 50% proportion of hard-foam bodies.


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