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.

Date of Patent:
Apr. 07, 2015

Filed:

Dec. 16, 2008
Applicants:

Paul A. Selle, Appleton, WI (US);

Gordon M. Breier, De Pere, WI (US);

David G. Kuchenbecker, Appleton, WI (US);

Gregory T. Prellwitz, Black Creek, WI (US);

Inventors:

Paul A. Selle, Appleton, WI (US);

Gordon M. Breier, De Pere, WI (US);

David G. Kuchenbecker, Appleton, WI (US);

Gregory T. Prellwitz, Black Creek, WI (US);

Assignee:

CMD Corporation, Appleton, WI (US);

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B31B 49/04 (2006.01); B31B 19/14 (2006.01); B31B 19/74 (2006.01); B31B 19/90 (2006.01); B31B 23/00 (2006.01);
U.S. Cl.
CPC ...
B31B 19/14 (2013.01); B31B 19/74 (2013.01); B31B 19/90 (2013.01); B31B 23/00 (2013.01); B31B 2219/14 (2013.01); B31B 2219/9025 (2013.01); B31B 2219/95 (2013.01); B31B 2237/10 (2013.01);
Abstract

A bag machine, and method of making bags, has a sealing station a perforating station, and a downstream seal and perforation inspection station, or a perforation detection station and/or a seal inspection station is disclosed. Control of the perforating and sealing stations is preferably closed loop. The seal and perforation inspection station preferably includes a perforation detector that triggers a vision system and/or a camera, and the film is illuminated. Preferably, the inspection station is enclosed in an opaque housing, or the ambient light is otherwise blocked. The seal and perforation inspection station preferably provides an image output a display visible to a user. The vision system preferably includes a perforation location module and/or determines the distance between the seal and perforation. A downstream processing station can be provided, and can have a detected fault input, connected to a fault detect output from the seal and perforation inspection station.


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