The present invention relates to a method for producing a wiper blade element (10) for a wiper blade and/or a wiper blade having a wiper blade element (10), in particular for a windscreen wiper. In order to provide simple and economical wiper blade elements and wiper blades having excellent properties, in particular having high wiping quality, high abrasion resistance, a high degree of friction reduction and miming noise reduction and a long service life, in said method a particle layer (12) is applied to an elastomer substrate (11), the elastomer substrate (11) is vulcanised with the particle layer (12) deposited thereon, and, after vulcanisation, a friction-reducing material (13) is applied to the particle layer (12). The invention further relates to a wiper blade element and wiper blade produced in such a way.

A windshield wiper system (WWS) blade assembly is provided. The WWS blade assembly includes a composite frame and a blade that has a length which is normally shorter than a corresponding length of the composite frame. The blade includes first and second ends attachable to corresponding first and second ends of the composite frame, respectively.

The invention relates to a wiping device for a motor vehicle window, comprising a windscreen wiper frame and a piezoelectric film, said piezoelectric film being mounted on the windscreen wiper frame 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.

A multifunction windshield wiper includes a wiper arm, a wiper blade holder, and a wiper blade to facilitate, through channels, the direct distribution of the liquid or an air on the windshield surface. The direct distribution of the liquid and an air maximize the wiping effect and minimizes their usage. The wiper arm is assembled with wiper blade holder within the flexible spherical joints to refine the contact with a curved surface during the operational movement of the windshield wiper in the different weather conditions. The windshield wiper arm has a flexible joint with the link arm to facilitate the tension on the windshield surface during the wiping process.

This disclosure details motor vehicle wiper systems and associated methods for heating wiper blades of the wiper systems. In exemplary embodiments, a wiper blade of a wiper may include a beam blade portion, a tip portion, and a heater element. Each of the beam blade portion, the tip portion, and the heater element may include a different material composition. The material composition of the heater element, for example, may include a thermally conductive polymer. The temperature of the blade may be regulated by adjusting a current flow through the thermally conductive polymer heater element.

A wiper blade and notably a wiper blade comprising a rubber structure, a method for producing the blade, as well as a wiper frame device, is provided. The rubber structure is formed from an elastomer matrix comprising: from 25 to 60 phr of natural rubber; and from 40 phr to 75 phr of polybutadiene.

Provided is a wiper blade rubber which exhibits high adhesion to glass surfaces, excellent friction performance and excellent wiping performance, while being free from the occurrence of a bulge (blister) in a coating layer due to bleeding from a rubber substrate or blooming. A wiper blade rubber which has a lip part obtained by forming a coating layer on a rubber substrate by spray coating, and which is characterized in that: the coating layer is composed of a portion (A) that covers the rubber substrate and portions (B) that do not cover the rubber substrate; the portions (B) are a plurality of pores which are uniformly dispersed in the entire area of the coating layer and have diameters of 10 to 40 m; and the ratio of the total area of portion (A) that covers the rubber substrate to the total area of the portions (B) that do not cover the rubber substrate is from 40:60 to 60:40.

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 coating composition for imparting a hydrophobic film on a target surface is provided that includes a quaternary ammonium silane salt, a solvent, and a solid lubricant. The composition is stable and able to impart a hydrophobic film even after storage for several weeks at elevated temperature. The composition is non-absorbable or non-penetrative into an elastomeric applicator onto which the water repellant (WR) coating is applied, preserving the capability of transferring the WR ingredients of the coating from the wiper blade insert to a windshield on which the wiper blade insert is operated, even after the coated wiper blade insert has been aged for an extended period of time in storage. A wiper blade insert is also provided having the above composition applied and instructions for the securement of the wiper blade to a vehicle to impart the hydrophobic film to a vehicle windshield contacted by the wiper blade insert.

A wiper system for vehicles is provided. The system includes a heated wiper blade assembly, a heated cowl assembly and a controller. The controller receives input from one or more sensors or systems and causes a power source to provide, reduce or stop power to heating elements in the blade and/or cowl depending upon sensed conditions. At least some components in the assembly comprise thermally conductive polymers. The system provides surprisingly advantageous results in that it is effective for melting and clearing ice and snow with a lower than expected pull on a power source such as a battery.