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Patent Searching and Data


Title:
WIPER BLADE RUBBER
Document Type and Number:
WIPO Patent Application WO/2018/030084
Kind Code:
A1
Abstract:
Provided is a wiper blade rubber which has excellent wiping properties and low friction properties with respect to both clean glass surfaces and glass surfaces that have been subjected to a water repellent treatment, and which maintains these properties for a long period of time. A wiper blade rubber which has a lip part obtained by forming a coating layer on a rubber substrate, and which is configured such that: the coating layer comprises a first coating layer and a second coating layer; the elastic modulus of the first coating layer itself is 2-6 MPa; the elastic modulus of the second coating layer itself is 0.2-1 MPa; the first coating layer is affixed to a part of the rubber substrate and the second coating layer is affixed to another part of the rubber substrate in the lip part; and the ratio of the area of the rubber substrate part to which the first coating layer is affixed to the area of the rubber substrate part to which the second coating layer is affixed is from 45:55 to 55:45.

Inventors:
TORII NAOKI (JP)
MURAMATSU MASAMI (JP)
NAKANO HIROYUKI (JP)
HAMAGUCHI SHIGEHISA (JP)
ITOU TAKANARI (JP)
OHTSUBO SHUICHI (JP)
OKAMOTO YASUYUKI (JP)
KAWASHIMA KAZUKI (JP)
SAKURAI MASAKI (JP)
OHSAKO HIROAKI (JP)
Application Number:
JP2017/026045
Publication Date:
February 15, 2018
Filing Date:
July 19, 2017
Export Citation:
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Assignee:
ASMO CO LTD (JP)
FUKOKU KK (JP)
International Classes:
B60S1/38; C08J7/04; C09D5/00; C09D201/00
Domestic Patent References:
WO2015080202A12015-06-04
Foreign References:
JPH0446849A1992-02-17
JP2014506847A2014-03-20
JP2010535268A2010-11-18
Attorney, Agent or Firm:
TSUKUNI & ASSOCIATES et al. (JP)
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