Patent ID: 9249544
Filing Date: 2016-02-02
CPC Classification: C23C,E01C

Claim Text:
1. A road finisher, comprising: a screed plate extending at right angles to the working direction (a) of said road finisher; and a tamper bar disposed rearwardly and/or forwardly of said screed plate in the working direction (a), wherein an electrical heating device comprising a power source, at least one electrically operated heating element electrically connected to said power source and a switchgear unit for switching said at least one heating element on and off is present, which is configured so as to heat up a heating surface facing a road subsurface (U), wherein said at least one heating element comprises a heating layer at least partially obtained through thermal spraying onto a substrate surface, and wherein said heating layer is multilayered and comprises at least an insulating layer, a strip conductor and a sealing layer.