Title:
ガラス繊維ストランドの製造方法
Document Type and Number:
Japanese Patent JP7156278
Kind Code:
B2
Abstract:
Provided is a method for manufacturing a glass fiber strand in which a glass fiber strand is formed by bundling a plurality of glass fiber filaments comprising molten glass drawn out from a nozzle, wherein said method for manufacturing a glass fiber strand is capable of detecting breakage of the glass fiber filaments in a more reliable manner. This method comprises: an image capturing step for generating a plurality of items of image data by continuously capturing images of a plurality of glass fiber filaments f; an image processing step for extracting, from the image data, a high luminance object having a luminance of a prescribed value or more; and a breakage detection step for detecting that a glass fiber filament f has broken on the basis of the results of the image processing in the image processing step.
Inventors:
Tomoki Yanase
Nambu Yuu
Nambu Yuu
Application Number:
JP2019523468A
Publication Date:
October 19, 2022
Filing Date:
May 28, 2018
Export Citation:
Assignee:
Nippon Electric Glass Co., Ltd.
International Classes:
C03B37/12; C03B37/07; D06H3/08
Domestic Patent References:
| JP61125132U | ||||
| JP8092812A | ||||
| JP58032035A | ||||
| JP2005247650A | ||||
| JP59092939A | ||||
| JP51067815U | ||||
| JP56125235A | ||||
| JP2017105657A | ||||
| JP2018070404A |
Attorney, Agent or Firm:
Patent Attorney Corporation Yanouchi Foreign Patent Office