Title:
BELT BRUSH, CLEANING DEVICE AND WASHING DEVICE
Document Type and Number:
WIPO Patent Application WO/2020/090127
Kind Code:
A1
Abstract:
[Problem] To provide a belt brush which prevents bristle material constituting a brush from coming off and has excellent durability. [Solution] In a belt 4 formed by laminating three or more layers of a thermoplastic resin sheet and/or a cloth and/or a rubber sheet constituting a belt brush 10, a layer 2a of a high-hardness thermoplastic resin sheet is arranged as a lowermost layer, a layer 2b of at least one layer of the high-hardness thermoplastic resin sheet and/or cloth and/or rubber sheet is arranged above the lowermost layer 2a of the high-hardness thermoplastic resin sheet, and at least one layer 3a of a low-hardness thermoplastic resin sheet and/or cloth and/or rubber sheet is interposed between the lowermost layer 2a of the high-hardness thermoplastic resin sheet and the upper layer 2b of the high-hardness thermoplastic resin sheet and/or cloth and/or rubber sheet.
Inventors:
MIZUTANI FUJIO (JP)
Application Number:
PCT/JP2018/048459
Publication Date:
May 07, 2020
Filing Date:
December 28, 2018
Export Citation:
Assignee:
KOWA CO (JP)
International Classes:
B08B1/02; B08B1/04
Foreign References:
| JPS50109469A | 1975-08-28 | |||
| US20150238003A1 | 2015-08-27 | |||
| US9565925B2 | 2017-02-14 |
Attorney, Agent or Firm:
NAKAMURA Shigemoto (JP)
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