作者: Bjorn Criel , David Hill , Philippe Bournonville
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摘要: A component (110) is made for a vehicle plastic hollow article (2), such as fuel tank, wherein the comprises wall obtained from parison. The intended to be welded and main body (12) having an external face (14), shoulder (16) protruding face. shows at least one recess (136) arranged receiving air when contacts during welding of component.