The invention relates to a blade guard (1) for a wiper (100) of a vehicle (200), the blade guard (1) comprising a first part (11) and a second part (12), the first part (11) being configured to allow the blade guard (1) to be attached on the wiper (100), the second part (12) being intended to come into contact with a glazed surface (50) of the vehicle (200), characterized in that the second part (12) is configured to contain a product to be applied onto the glazed surface (50). The invention also relates to a wiper (100) comprising such a blade guard (1).

The present invention relates to a coating composition which is for a wiper blade and is for forming a coating layer for lowering the coefficient of friction of a wiper blade rubber base on glass, the coating composition including a lubricant additive and a solvent, wherein the lubricant additive is functionalized graphene capable of self-adhesion to the wiper blade rubber base.

A coating composition for imparting a hydrophobic film on a target surface is provided that includes a quaternary ammonium silane, a polyalkylene glycol, and an optional solid lubricant. A kit is also provided that includes an applicator having the above composition applied and instructions for the composition to a blade of a windshield wiper of a vehicle to impart the hydrophobic film to the vehicle windshield contacted by the blade.

A vehicle windshield wiper blade comprising: a blade support portion; and a lip portion, wherein the lip portion has a tapered portion having a cross section that is taken along a direction perpendicular to the longitudinal direction of the wiper blade and that has a width that gradually decreases from a side closer to the blade support portion towards a direction farthest away from the blade support portion, the lip portion has a tip surface and first and second tapered surfaces constituting the tapered portion, and, in a specific observation region of the first and second tapered surfaces, the average value of the elastic modulus measured at a 0.1 ?m pitch is 15-470 MPa and the coefficient of variation of the elastic modulus is at most 17.6%.

The present invention discloses a rubber composition, a processing method thereof, and an aging resistant rubber product using the rubber composition. The rubber composition comprises a rubber matrix and essential components, wherein, based on 100 parts by weight of the rubber matrix, the rubber matrix comprises a branched polyethylene with a content represented as A, in which 0<A100 parts, and an EPM and an EPDM with a content represented as B, in which 0<B100 parts; and the essential components comprise 1.5-10 parts of a crosslinking agent, 30-200 parts of a reinforcing filler, and 5-250 parts of a plasticizer. The rubber composition provided by present invention has good processability and can be used for producing rubber products with high aging resistance and compression set resistance.

A wiper blade rubber strip and a method for manufacturing the same are disclosed. The wiper blade rubber strip includes a rubber strip body made of a first rubber material and a blade portion made of a second rubber material. The blade portion is integrally formed with the rubber strip body by co-extrusion. The rubber strip body and the blade portion are made of different materials to meet their respective performance requirements of the rubber strip body and the blade portion.

A coating composition for imparting water repellency from an elastomeric hydrophobic applicator of a wiper blade squeegee to a windshield is provided that includes a quaternary ammonium silane salt, a quaternary silicone polymer, a particulate dispersion; and a solvent. A wiper blade is also provided that includes a hydrophobic elastomeric wiper blade squeegee adapted to couple to a windshield wiper arm and to engage a glass windshield. A coating formed by the evaporation of the solvent from the aforementioned composition is present on the squeegee. A process of activating a windshield includes windshield being contacted by the wiper blade squeegee coated with the evaporated coating created from the aforementioned composition. The windshield is wiped under wet, dry, or a combination of wet and dry conditions with the wiper blade to impart a hydrophobicity of more than 60 degrees of water contact angle to activate the windshield.

The present invention provides a wiper blade, by balacing the opposite characteristics between the ease of operation and the cleaning force, the overall shape of the wiper blade is inclined laterally with elasticity in accordance with the moving direction of the blade mounting means for ease of operation , and the contact portion of the wiper blade for performing the cleaning is capable of maintaining an angle close to a right angle with respect to the cleaning surface, so that the wiper blade is also excellent in cleaning force.

The invention relates to a wiping device (1) for a motor vehicle window (30), comprising a windscreen wiper frame (10) and a piezoelectric film (2), said piezoelectric film (2) being mounted on the windscreen wiper frame (10) such as to produce an electric current. The invention also relates to a warning method and a spray control method for such a wiping device (1).

The present disclosure relates to a coating composition for a wiper blade comprising graphene and a wiper blade coated using the same. More particularly, the present disclosure relates to a coating composition for a wiper blade comprising graphene that may improve durability, an abrasion resistance, and a slip property of a wiper blade, a wiper blade coated using the coating composition, and a method for manufacturing the wiper blade.