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Container inspection device and container inspection method

A technology for inspection devices and containers, which can be used in measuring devices, instruments, scientific instruments, etc., and can solve problems such as difficult detection.

Active Publication Date: 2019-11-08
TOYO GLASS CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

With this inspection device, it is difficult to detect extremely shallow, depressed thin bubbles on the inner surface

Method used

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  • Container inspection device and container inspection method
  • Container inspection device and container inspection method
  • Container inspection device and container inspection method

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Embodiment Construction

[0071] Hereinafter, preferred embodiments of the present invention will be described in detail using the drawings. In addition, the embodiments described below are not intended to improperly limit the content of the present invention described in the claims. In addition, all the configurations described below are not necessarily essential components of the present invention.

[0072] The container inspection apparatus of the present embodiment is characterized by including: a light-emitting part having a light-emitting surface for irradiating light to the container; an imaging part arranged to face the light-emitting part across the container; and a judging part based on the imaging To determine whether there is a defect in the image of the container taken by the unit; and a light restricting portion arranged on the container side of the light emitting portion, the light restricting portion including a light transmitting portion and a light reducing portion extending in a horizon...

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Abstract

An inspection device (1) includes: a light emitting unit (20) having a light emitting surface (22); an image pickup unit (40) that is disposed facing the light emitting unit (20) by having a container(10) therebetween; a determining unit (52) that determines presence / absence of a defect; and a first light regulation unit (24) that is disposed on the container (10) side of the light emitting unit(20). The first light regulation unit (24) includes light transmitting sections (244) and dimmer sections (242), which extend in the horizontal direction X along the light emitting surface (22). In the first light regulation unit (24), the light transmitting sections (244) and the dimmer sections (242) are alternately disposed in the vertical direction Y.

Description

Technical field [0001] The invention relates to a container inspection device and a container inspection method. Background technique [0002] As a method for detecting thin bubbles that are extremely rare on the inner surface of a container, particularly a glass bottle, there is an inspection method previously proposed by the applicant of this application (Patent Document 1). [0003] Thin bubbles are generated on the inner surface of the glass bottle, and are formed by a very shallow depression with respect to the inner surface and a thin glass film covering the depression. In this inspection method, in order to detect thin bubbles, a multi-level stripe filter is used in which a plurality of horizontal slits are arranged up and down at fixed intervals on an opaque plate, and light is transmitted through only the slits. The light of the thin bubble captures the image in which the width of light and dark is compressed in the longitudinal direction. [0004] Although thin bubbles ca...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01N21/90
CPCG01N21/90G01N21/8806
Inventor 伊藤悠贵
Owner TOYO GLASS CO LTD