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:
Aug. 27, 1991
Filed:
Apr. 16, 1990
Applicant:
Inventor:
Walter C Pearson, St. Paul, MN (US);
Assignee:
Minnesota Mining and Manufacturing Company, St. Paul, MN (US);
Primary Examiner:
Int. Cl.
CPC ...
B65B / ;
U.S. Cl.
CPC ...
53440 ; 53127 ; 53456 ; 53467 ; 53482 ; 53490 ; 141 11 ; 2221465 ;
Abstract
A method for heating and dispensing hot melt materials in which the hot melt material is contained in a tube having a cylindrical outer surface portion over a majority of its length, and the hot melt material in the tube is heated by a heater assembly through a heat transfer member having a cylindrical inner surface adapted to closely receive the cylindrical outer surface portion of the tube.