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:
Feb. 22, 1994
Filed:
Dec. 14, 1992
Applicant:
Inventors:
Assignee:
Windmoeller & Hoelscher, Lengerich, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B31B / ; B31B / ;
U.S. Cl.
CPC ...
493221 ; 493226 ;
Abstract
The invention relates to a method for making bags preferably provided with side folds or other flat workpieces, which have a slip extending beyond their boundary. In accordance with the invention partly prefabricated bags are laterally supplied to a conveyor belt driven in a timed manner, and are seized there by grippers and fixed. By means of a glue applicator a glue strip is applied to the bag in its bottom region during the timed feeding movement of the conveyor belt. Finally, in a slip application station a slip is supplied each laterally to the conveyor belt and is placed onto the glue surface. The invention furthermore relates to an apparatus for carrying out the aforementioned method.