Title:
WIPER BLADE FOR VEHICLE
Document Type and Number:
WIPO Patent Application WO/2022/025273
Kind Code:
A1
Abstract:
Provided is a wiper blade that is for a vehicle and that can stably exhibit superior wiping ability. A wiper blade for a vehicle, the wiper blade comprising: a blade support section; and a lip section, wherein the lip section has a tapering portion having a cross-section that is taken along a direction perpendicular to the longitudinal direction of the wiper blade and that has a width that gradually becomes less from a side closer to the blade support section in a direction away from the blade support section, the lip section has a tip surface and first and second taper surfaces constituting the tapering portion, and, in a specific observation region of the first and second taper surfaces, the average value of the elastic modulus measured at an interval of 0.1 μm is 15-470 MPa and the coefficient of variation of the elastic modulus is at most 17.6%.
Inventors:
AOYAMA TAKEHIKO (JP)
YOKOYAMA MASANORI (JP)
INOUE SYOJI (JP)
YAMAMOTO ARIHIRO (JP)
MATSUDA HIDEKAZU (JP)
SEGAWA SHOTA (JP)
YOKOYAMA MASANORI (JP)
INOUE SYOJI (JP)
YAMAMOTO ARIHIRO (JP)
MATSUDA HIDEKAZU (JP)
SEGAWA SHOTA (JP)
Application Number:
PCT/JP2021/028414
Publication Date:
February 03, 2022
Filing Date:
July 30, 2021
Export Citation:
Assignee:
CANON KK (JP)
International Classes:
C08G18/32; B60S1/38; C08G18/76
Domestic Patent References:
| WO2019176659A1 | 2019-09-19 |
Foreign References:
| JP2007253855A | 2007-10-04 | |||
| JP2004243917A | 2004-09-02 | |||
| JP2021092756A | 2021-06-17 | |||
| JP2011518713W | ||||
| JP2020130825A | 2020-08-31 | |||
| JP2021077293A | 2021-05-20 | |||
| JP2021106577A | 2021-07-29 |
Attorney, Agent or Firm:
IP FIRM SHUWA (JP)
Download PDF: