WIPER BLADE RUBBER WITH SURFACE ROUGHENING TREATMENT AND WIPER DEVICE

摘要

PROBLEM TO BE SOLVED: To provide wiper blade rubber and a wiper device capable of satisfactorily wiping not only ordinary glass but also water repellent treated glass for a long time without causing a phenomenon such as 'squeak' and 'chattering'.;SOLUTION: This wiper blade rubber 11 made of an elastic body such as rubber is provided with minute recessed and projecting parts each having surface roughness of Rz=1.0 to 5.0 μm in a lip slide part coming into contact with a glass face when at least a lip part 4 of the wiper blade rubber 11 operates. Moreover, solid lubricant is applied to at least the lip slide part. Furthermore, the wiper blade rubber 11 is used to wipe the glass face on which a water repellent treated film is formed.;COPYRIGHT: (C)2003,JPO