Patent ID: 9302438
Filing Date: 2016-04-05
CPC Classification: B21J,B29C,B29D,B29K,B29L,B60K,Y10T

Claim Text:
1. A method for producing a fuel tank; the fuel tank comprising: an internal component; and a plastic wall obtained by moulding a parison; the method comprising: a) introducing the parison in a heat-softened state into a mould comprising dies; b) introducing a core on which the internal component is placed inside the parison in the mould; c) closing the mould and pressing the heat-softened parison onto the dies of the closed mould; d) fastening the internal component to the parison with the aid of the core; e) opening the mould and withdrawing the core from the opened mould; f) closing the mould with the core withdrawn; g) moulding the tank from the parison in the closed mould wherein an equilibrium of pressure is provided between the pressure inside the component and the pressure inside the tank; and h) opening the mould and removing the tank from the opened mould.