Improved windshield wiper having reduced friction characteristics

A wiper blade made of a compound having a methyl vinyl silicone polymer, a filler, and a friction-reducing additive is provided. The friction-reducing additive is present in an amount from between about 5 and 42 weight percent. The average particle size of the friction-reducing additive is preferabl...

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Bibliographische Detailangaben
1. Verfasser: SHARABURA SCOTT D.,ALLEN MICHAEL E.,HOLMES JEANNIE,PAULSEN VICTOR K.,SUBRAMANIAM SHANMUGHAM
Format: Patent
Sprache:eng
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Beschreibung
Zusammenfassung:A wiper blade made of a compound having a methyl vinyl silicone polymer, a filler, and a friction-reducing additive is provided. The friction-reducing additive is present in an amount from between about 5 and 42 weight percent. The average particle size of the friction-reducing additive is preferably less than about 25 microns, thereby permitting extrusion of the compound into the shape of a wiper blade. Polytetrafluoroethylene is preferred as a friction-reducing additive, but other substances, such as boron nitride or graphite could be used.