Patent ID: 9015896
Filing Date: 2015-04-28
Classification: B60S

Abstract:
1. A wiper blade ( 100 ) for a windshield wiper, having a wiping strip ( 112 ) defining a longitudinal axis on which there is arranged at least one supporting rail ( 214 ) which has a spring element ( 215 ), the spring element ( 215 ) having sides extending generally along the longitudinal axis and being provided with a plastic sheath ( 217 ) extending around the sides, wherein the plastic sheath ( 217 ) is welded, at least in a predefined connecting region ( 180 ), to a base connecting device ( 160 ) which comprises a thermoplastic material with a predefined melting point, characterized in that the plastic sheath ( 217 ) comprises at least one first and one second thermoplastic material, each having different melting points, wherein the thermoplastic material having a lower melting point is located in the predefined connecting region ( 180 ), and wherein the remaining portion of the plastic sheath ( 217 ) comprises the thermoplastic material having a higher melting point, wherein the base connecting device ( 160 ) comprises a claw, the claw terminating at a free end and wrapping around the at least one supporting rail ( 214 ), and the predefined connecting region ( 180 ) of the plastic sheath ( 217 ) extends between the free end and the spring element ( 215 ).