Title:
REINFORCED WIPER BLADE FOR A WINDSCREEN WIPER FRAME
Document Type and Number:
WIPO Patent Application WO/2024/094797
Kind Code:
A1
Abstract:
The invention relates to a wiper blade for a windscreen wiper frame, and to a wiper frame comprising said blade. At least one part of said blade comprises an elastomer-based material (i) containing natural rubber and ethylene-propylene-diene monomer (EPDM), which is vulcanized, and (ii) reinforcing fillers, characterized in that the reinforcing fillers comprise a pozzolan. The invention further relates to the use of the pozzolan in the production of such a blade.
Inventors:
TANGUY PAUL (FR)
ASSUID PATRICK (FR)
ASSUID PATRICK (FR)
Application Number:
PCT/EP2023/080570
Publication Date:
May 10, 2024
Filing Date:
November 02, 2023
Export Citation:
Assignee:
VALEO SYSTEMES DESSUYAGE (FR)
International Classes:
C08L7/00; C08K7/26; C08K11/00; C08L23/16; B60S1/38
Foreign References:
| EP3546302A1 | 2019-10-02 | |||
| EP3455107B1 | 2020-01-22 | |||
| FR3048216A1 | 2017-09-01 | |||
| EP3546302A1 | 2019-10-02 | |||
| EP3455107A1 | 2019-03-20 | |||
| FR3048216A1 | 2017-09-01 |
Other References:
ARAYAPRANEE WANVIMON ET AL: "A comparison of the properties of rice husk ash, silica, and calcium carbonate filled 75 : 25 NR/EPDM blends", JOURNAL OF APPLIED POLYMER SCIENCE, vol. 110, no. 2, 15 October 2008 (2008-10-15), US, pages 1165 - 1174, XP093052555, ISSN: 0021-8995, DOI: 10.1002/app.28725
ARAYAPRANEE W ET AL., J. APPL POLYM SCI, 2008, pages 1165 - 1174
CAS , no. 68131-74-8
ARAYAPRANEE W ET AL., J. APPL POLYM SCI, 2008, pages 1165 - 1174
CAS , no. 68131-74-8
Attorney, Agent or Firm:
LLR (FR)
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