Patent ID: 8118957
Filing Date: 2012-02-21
Classification: B29C,B29K,B29L,B60R

Abstract:
1. A vibration welding method for welding a resin base and at least two resin workpieces to each other under pressure with vibration by clamping the resin base and the at least two resin workpieces as layers between a first vibratory member and a second vibratory member, comprising the steps of: holding the at least two resin workpieces in contact with the resin base; and providing a protective member between the resin base and the first vibratory member and/or between the at least two resin workpieces and the second vibratory member, wherein the protective member comprises a urethane member, wherein a thickness of the protective member is different depending on a location where the protective member supports the resin base and/or the at least two resin workpieces; and vibrating at least one the first vibratory member and the second vibratory member relative to each other.