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:
Mar. 24, 1981
Filed:
May. 09, 1979
Applicant:
Inventors:
Konrad Tetenborg, Lengerich of Westphalia, DE;
Helmut Huwelmann, Lengerich of Westphalia, DE;
Assignee:
Windmoller & Holscher, Lengerich of Westphalia, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B65B / ; B65B / ;
U.S. Cl.
CPC ...
53371 ;
Abstract
Preparatory to closing a filled upright sack by a zig-zag closure, grippers engage the flattened mouth end of the sack. A support is swung to a position adjacent the flattened end and swing arms cause the end to be folded onto the support. After rollers have been swung onto backing rollers to clamp the folded-over end, the grippers are opened and withdrawn by the swing arms.