Patent ID: 7990334

Claim:
A radio wave transmission cover provided in front of a radar device for vehicles, comprising: a front side member having a transparent layer made of transparent resin and a design layer formed on a rear side of the transparent layer; a rear side member formed on a rear side of the front side member, the rear side member being made of resin; and a connection layer formed on a circumferential outer edge of at least one selected from the front side member and the rear side member, the connection layer being fixed to the front side member and the rear side member, wherein the front side member is formed separately from the rear side member, the front side member and the rear side member are spaced apart from each other in a front-to-rear direction by a distance ranging from 0.01mm to 0.4mm, the rear side member is formed on the front side member inside the circumferential outer edge of the front side member, the connection layer is made of resin, and the connection layer is welded to the front side member and the rear side member.