Patent ID: 9399334
Filing Date: 2016-07-26
CPC Classification: B29C,B29K,B29L,B32B,B60K

Claim Text:
1. A method for the riveted fastening of an accessory to a plastics fuel tank, comprising: the riveted fastening taking place at the time of a production of the tank by extrusion blow-moulding of a split tubular preform or two web-like extruded preforms made of thermoplastic material by using a multi-part extrusion die after or during a moulding of two complementary shells in a blow-moulding die, and the accessory having been or being provided with at least one opening, wherein the riveted fastening takes place by at least one prefabricated rivet pin having a head and a shank and made of thermoplastic material which has been obtained in a separate production process, wherein the shank of the at least one prefabricated rivet pin is inserted into the at least one opening of the accessory before introducing the accessory into the shells located in the blow-moulding die, wherein at least a portion of the shank of the at least one prefabricated rivet pin passes through the at least one opening of the accessory, and wherein at least a portion of the shank of the at least one prefabricated rivet pin which passes through the at least one opening of the accessory is welded to a wall of the tank without passing completely through the wall of the tank.