Title:
MANUFACTURING METHOD OF ARTICLE WITH CONCAVE OR CONVEX PORTION
Document Type and Number:
Japanese Patent JP2019012186
Kind Code:
A
Abstract:
To provide a manufacturing method of an article with a surface containing at least one concave portion, and a manufacturing method of an article with a surface containing at least one convex portion.SOLUTION: A manufacturing method of a first article with a surface containing at least one concave portion, includes the steps of: providing a curable fluid 330 on at least one part of a surface of a molding die 310; introducing at least one air bubble 350 between the surface of the molding die 310 and the curable fluid 330; altering an angle formed between a tangent line of the air bubble 350 and the surface of the molding die 310 by applying a potential difference between at least a part of the molding die 310 and the curable fluid 330; and forming at least one concave portion in the curable fluid 330 by using the air bubble 350 as at least one part of a molding surface. A second article containing at least one convex portion is manufactured by utilizing the first article as the molding die 310.SELECTED DRAWING: Figure 3C
Inventors:
MINAMI HIDEKI
IWAZAWA MASARU
TOYODA ATSUSHI
MASUDA SHOICHI
IWAZAWA MASARU
TOYODA ATSUSHI
MASUDA SHOICHI
Application Number:
JP2017128656A
Publication Date:
January 24, 2019
Filing Date:
June 30, 2017
Export Citation:
Assignee:
3M INNOVATIVE PROPERTIES CO
International Classes:
B29C33/38; G02B3/00
Domestic Patent References:
| JP2012108326A | 2012-06-07 |
Foreign References:
| WO2009084392A1 | 2009-07-09 |
Attorney, Agent or Firm:
Taro Akazawa
Ikuko Narioka
Ikuko Narioka