Bottle bottom inspection apparatus
AssigneeHajime Industries Ltd.
InventorHajime Yoshida
Life of this patent
Estimating the term…
Abstract
A bottle bottom inspection apparatus in which an image sensor is located above a mouth of a bottle to pick up an image of the bottle bottom and the bottle bottom is irradiated upwardly by a light source and the bottle bottom is picked up by the image sensor via the bottle mouth thereby to inspect said bottle bottom. In this case, an optical device is disposed between the light source and the bottle bottom, wherein the optical device is operated to prevent the light from the light source from being directly incident on the bottle bottom but to cause the light to be incident upwardly on the bottle bottom with a predetermined incident angle from the outside of the bottle bottom.
Claims15
A bottle bottom inspection apparatus in which an image sensor is located above a mouth of a bottle made of a transparent material and whose bottom is to be inspected and said bottle bottom is irradiated upwardly by a light source exterior of said bottle and said bottle is picked up by said image sensor via said bottle mouth thereby to inspect said bottle bottom, comprising:
- optical means disposed between said light source and said bottle bottom, wherein said optical prevents light from said light source from being perpendicularly introduced onto said bottle bottom and causes said light to be projected upwardly onto said bottle bottom at a predetermined incident angle from a position outside the perimeter of said bottle bottom to said bottle bottom.
A bottle bottom inspection apparatus comprising:
- (a) a first image sensor disposed above a mouth of a bottle to be inspected;
- (b) a light diffusion plate located below a bottom of said bottle;
- (c) a light source located below said light diffusion plate for irradiating upwardly said bottom of said bottle through said light diffusion plate such that said bottle bottom is picked up by said first image sensor;
- (d) a first electronic processor for processing an output of said first image sensor to inspect whether an opaque or half transparent foreign particle exists on said bottle bottom;
- (e) a second image sensor located above said bottle mouth at its position different from that of said first image sensor;
- (f) a second electronic processor for processing an output of said second image sensor;
- (g) optical means located between said bottle bottom and said light source for causing a light from said light source to be upwardly and obliquely introduced on said bottle bottom at a predetermined incident angle from the outside of said bottle bottom;
- (h) light splitting means located between said first and second image sensors and said bottle mouth for splitting a light traveled through said bottle mouth from said light source to provide two separate lights;
- (i) a first optical filter provided on said light diffusion plate for allowing a certain light to pass therethrough;
- and (j) a second optical filter located between said light splitting means and said second image sensor for preventing the light passed through said first optical filter from passing therethrough, wherein said second image sensor and said second electronic processor are operated to inspect whether a transparent foreign particle exists on said bottle bottom or not.
Dependencies are inferred from the claim text.