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1. 发明申请

US20160002459A1 WIPER BLADE ELEMENT 审中-公开
标题翻译：刮刀叶片元件
公开(公告)号：US20160002459A1
公开(公告)日：2016-01-07
申请号：US14766832
申请日：2014-01-15
申请人： Robert Bosch GmbH
发明人： Reiner Lay , Valerie Carlier , Nicolaas Gotzen , Vincent Duval , Eric Pieters
IPC分类号： C08L45/00 , B60S1/38 , C08L9/00 , C08L15/02 , C08L23/22 , C08L11/00
CPC分类号： C08L45/00 , B60S1/38 , B60S2001/3829 , B60S2001/3836 , C08L9/00 , C08L11/00 , C08L15/02 , C08L23/16 , C08L23/22 , C08L2205/02
摘要： The invention relates to a wiper blade element (10) for a wiper blade, for example of a motor vehicle. In order to minimize the running noise, said wiper blade element (10) comprises an elastomer material (A) which comprises a polymer blend from at least one ethylene-propylene-(diene)-rubber and at least one polymer, selected from the group consisting of polynorbornene, trans-polyoctenamer, polyisobutylene, chloroprene rubber, butyl rubber, chlorobutyl rubber, bromobutyl rubber and mixtures thereof. In the polymer blend, the weight ratio of ethylene-propylene-(diene) rubber and/or ethylene-propylene rubber to the at least one polymer is in a range of 40:60-95:5. The invention also relates to said type of elastomer material (A) and a wiper blade equipped with said type of wiper blade element (10).
摘要翻译：本发明涉及一种用于例如机动车辆的刮水片的刮水片元件（10）。为了最小化运行噪声，所述刮水片元件（10）包括弹性体材料（A），其包含来自至少一种乙烯 - 丙烯 - （二烯） - 橡胶和至少一种聚合物的聚合物共混物，所述聚合物选自由聚降冰片烯，反式聚辛烯，聚异丁烯，氯丁二烯橡胶，丁基橡胶，氯丁基橡胶，溴丁基橡胶及其混合物组成。在聚合物共混物中，乙烯 - 丙烯 - （二烯）橡胶和/或乙烯 - 丙烯橡胶与至少一种聚合物的重量比在40:60-95:5的范围内。本发明还涉及所述类型的弹性体材料（A）和装备有所述类型的刮片元件（10）的刮水片。

2. 发明申请

US20200207967A1 EP(D)M-EVM WIPER RUBBER WITH IMPROVED COLD FLEXIBILITY 审中-公开
公开(公告)号：US20200207967A1
公开(公告)日：2020-07-02
申请号：US16728092
申请日：2019-12-27
申请人： Robert Bosch GmbH
发明人： Nicolaas Gotzen , Eric Pieters , Joke Vandenbergh
IPC分类号： C08L23/16 , B60S1/38
摘要： A wiper rubber (10) for a wiper blade, especially for a windshield wiper, with an elastomer material comprising a polymer blend composed of at least one ethylene-propylene-diene rubber and/or at least one ethylene-propylene rubber, and at least one ethylene-vinyl acetate copolymer is disclosed. In order to provide a wiper rubber that has improved wiping quality and improved running properties, especially reduced or zero running noise, such as humming, whistling, squeaking, smacking, turnover noises, et cetera, both at moderate and especially at cold outside temperature, and especially also over a broad frequency range customary in wiper operation, the at least one ethylene-vinyl acetate copolymer, based on the total weight of the at least one ethylene-vinyl acetate copolymer, comprises a vinyl acetate content within a range from ≥40% by weight to ≤90% by weight, where the polymer blend, based on the total weight of the polymers in the polymer blend, comprises ≥0.1% by weight to ≤30% by weight of the at least one ethylene-vinyl acetate copolymer.

3. 发明申请

US20160002452A1 WIPER BLADE ELEMENT 审中-公开
标题翻译：刮刀叶片元件
公开(公告)号：US20160002452A1
公开(公告)日：2016-01-07
申请号：US14766802
申请日：2014-01-15
申请人： ROBERT BOSCH GMBH
发明人： Reiner Lay , Valerie Carlier , Nicolaas Gotzen , Vincent Duval , Eric Pieters
IPC分类号： C08L23/16 , B60S1/38
CPC分类号： C08L23/16 , B60S1/38 , B60S2001/3829 , B60S2001/3836 , C08L23/0853 , C08L2205/03
摘要： The invention relates to a wiper blade element (10) for a wiper blade, for example of a motor vehicle. In order to minimize the running noise, said wiper blade element (10) comprises an elastomer material (A) which comprises a polymer blend from at least one ethylene-propylene-diene rubber (EPDM) and/or at least one ethylene-propylene-rubber (EPM) and at least one ethylene-vinyl-acetate copolymer (EVM), said polymer blend containing at least one ethylene-vinyl acetate-copolymer having a vinyl acetate-content in the region of ≧45 wt.-% to ≦85 wt.-%, with respect to the total weight of the ethylene-vinyl acetate-copolymer. The invention also relates to said type of elastomer material (A) and to a wiper blade equipped with said type of wiper blade element (10).
摘要翻译：本发明涉及一种用于例如机动车辆的刮水片的刮水片元件（10）。为了最小化运行噪声，所述刮水片元件（10）包括弹性体材料（A），其包含来自至少一种乙烯 - 丙烯 - 二烯橡胶（EPDM）和/或至少一种乙烯 - 丙烯 - 橡胶（EPM）和至少一种乙烯 - 乙酸乙烯酯共聚物（EVM），所述聚合物共混物含有至少一种乙烯 - 乙酸乙烯酯共聚物，其中乙酸乙烯酯的含量在≥45wt％〜 85重量％，相对于乙烯 - 乙酸乙烯酯共聚物的总重量。本发明还涉及所述类型的弹性体材料（A）以及配备有所述类型的刮片元件（10）的刮水片。

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