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:
Dec. 17, 2019

Filed:

Nov. 22, 2017
Applicants:

I. Mer Co., Ltd., Kyoto-shi, JP;

Nippon National Seikan Company, Ltd., Ishioka-shi, JP;

Inventor:

Masayuki Izume, Kyoto, JP;

Assignees:

I. MER CO., LTD., Kyoto-Shi, JP;

NIPPON NATIONAL SEIKAN COMPANY, LTD., Ishioka-Shi, JP;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G01N 21/952 (2006.01); B41F 17/22 (2006.01); B41J 3/407 (2006.01); B41F 31/12 (2006.01); B41F 31/14 (2006.01); B41F 33/00 (2006.01); B41F 13/14 (2006.01); G01N 21/956 (2006.01); G01N 21/90 (2006.01);
U.S. Cl.
CPC ...
B41J 3/4073 (2013.01); B41F 13/14 (2013.01); B41F 17/22 (2013.01); B41F 31/12 (2013.01); B41F 31/14 (2013.01); B41F 33/0045 (2013.01); B41F 33/0081 (2013.01); G01N 21/956 (2013.01); B41P 2233/13 (2013.01); B41P 2233/51 (2013.01); B41P 2233/52 (2013.01); G01N 21/909 (2013.01);
Abstract

A can inspection device includes a rotation device rotating cans, an imaging device taking images of rotating cans, and an image processor processing taken images. The imaging device includes a first camera taking an image of an entire can and a second camera taking an image of an opening-side end portion of the can. The image processor includes an image inspection means for inspecting whether printing is performed properly as compared with a master image by using the image taken by the first camera, a density measurement means for measuring densities in designated positions for respective colors by using the image taken by the first camera, and a printing misalignment value measurement means for measuring misalignment values with respect to set positions of printing misalignment inspection marks printed on the opening-side end portion of the can for respective colors by using the image taken by the second camera.


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