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.
Patent No.:
Date of Patent:
Apr. 19, 1994
Filed:
Dec. 17, 1992
Applicant:
Inventors:
William K Leonard, River Falls, WI (US);
Donley D Rowenhorst, Maplewood, MN (US);
Jerald A Scherger, Hudson, WI (US);
Donald R Winberg, St. Paul Park, MN (US);
Assignee:
Minnesota Mining and Manufacturing Company, St. Paul, MN (US);
Primary Examiner:
Int. Cl.
CPC ...
B29B / ;
U.S. Cl.
CPC ...
264141 ; 51309 ; 264144 ; 26421111 ; 425308 ; 425377 ; 4253823 ; 425461 ; 425467 ;
Abstract
The present invention relates to an apparatus and method for extruding a Bingham plastic-type material through a die having an auger rotationally mounted therein.