Wiper blade for a windshield wiper
First Claim
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).
1 Assignment
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Accused Products
Abstract
In a wiper blade (100) for a windshield wiper, having a wiping strip (112) on which there is arranged at least one supporting rail (214) which has a spring element (215) provided with a plastic sheath (217), wherein the plastic sheath (217) is welded, at least in a predefined connecting region (180), to a base connecting device (160) which comprises thermoplastic material having a predefined melting point, the plastic sheath (217) comprises at least a first and a second thermoplastic material.
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Citations
16 Claims
- 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).
- 9. 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) comprises a thermoplastic material with a predefined melting point and at least in a predefined connecting region (180) is welded to a base connecting device (160), characterized in that the base connecting device (160) 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 provided on a segment of the base connecting device (160) contacting the predefined connecting region (180), and wherein the remaining portion of the base connecting device (160) 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).
Specification