CAN-PRINTING APPARATUS AND CAN INSPECTION DEVICE

Title:

CAN-PRINTING APPARATUS AND CAN INSPECTION DEVICE

Document Type and Number:

WIPO Patent Application WO/2015/046119

Kind Code:

A1

Abstract:

Provided is a can-printing apparatus equipped with a can inspection device capable of density and printing deviation measurements necessary for improving the printing precision of the printer. An image-processing unit (53) for processing an image that has been photographed is provided with: an image inspection means (54) for comparing a can with a master image using an image of the whole can taken with a first camera to check whether the can is printed correctly; a density measurement means (55) for measuring the density of each color at designated positions similarly using the image of the whole can taken with the first camera; and a printing deviation measurement means (56) for measuring, using an image of the open end of the can taken with a second camera, deviations with respect to positions set for printing deviation inspection marks printed for each color on the open end of the can.

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Inventors:

IZUME MASAYUKI (JP)

Application Number:

PCT/JP2014/075021

Publication Date:

April 02, 2015

Filing Date:

September 22, 2014

Export Citation:

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Assignee:

I MER CO LTD (JP)
NIPPON NAT SEIKAN COMPANY LTD (JP)

International Classes:

B41F17/22; B41F31/14; B41F33/14; G01N21/88; G01N21/89; G01N21/90; G01N21/956

Domestic Patent References:

WO2012054655A1

2012-04-26

Foreign References:

JPH09295396A	1997-11-18
JP2011073415A	2011-04-14
JPH11320838A	1999-11-24
JP2004251855A	2004-09-09
JPH05126762A	1993-05-21
JPH07186374A	1995-07-25
JP2004525340A	2004-08-19
JP2001129968A	2001-05-15
JPH05126762A	1993-05-21

Other References: