Title:
METHOD FOR PRODUCING CLEANING BRUSH FOR MOLD AND METHOD FOR PRODUCING RESIN MOLDING DEVICE
Document Type and Number:
WIPO Patent Application WO/2024/004353
Kind Code:
A1
Abstract:
The method for producing a cleaning brush for a mold (30) for cleaning a mold installed in a resin molding device comprises a step that prepares a channel brush (36) formed by fixing a bristle material (33) to a channel member (35), a step that wraps and fixes the channel brush in a spiral around a shaft member (38), and a step that cuts the tips of the bristle material (33). By cutting the tips of the bristle material (33), short bristle regions (31R) containing bristles (33) having a first length and long bristle regions (32R) containing bristles having a second length longer than the first length are formed in the channel brush on the shaft member (38).
Inventors:
OKUMURA TAKEHIKO (JP)
Application Number:
PCT/JP2023/015777
Publication Date:
January 04, 2024
Filing Date:
April 20, 2023
Export Citation:
Assignee:
TOWA CORP (JP)
International Classes:
B29C45/17; B29C33/72; B29C45/26; H01L21/56
Foreign References:
| JP2010000154A | 2010-01-07 | |||
| JPH07148746A | 1995-06-13 | |||
| US20140001819A1 | 2014-01-02 |
Attorney, Agent or Firm:
FUKAMI PATENT OFFICE, P.C. (JP)
Download PDF: