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:
Jun. 09, 1987
Filed:
May. 06, 1985
Applicant:
Inventor:
Martin Blumle, Horhausen, DE;
Assignee:
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
B31B / ; B31B / ; B26F / ;
U.S. Cl.
CPC ...
83152 ; 83100 ; 83 24 ; 83165 ; 83911 ;
Abstract
Windows are cut into envelopes and bags, in a machine with a feed device ing transport rollers for cut-out envelope blanks or for a web, a cutting roller, a tool cooperating with the cutting roller and at least one suction roller for further transport, are arranged in a window cutting station of the machine. The envelope material is moved along a straight line tangentially to the point of cutting out the windows and is then further conveyed in the peripheral direction of the cutting roller. The blanks with the windows cut therein and the cut-out waste are separately grasped by suction and removed.