Patent ID: 6630097
Filing Date: 2003-10-07
Classification: B29C,F25D,Y10T

Abstract:
A method for forming a plastic outer shell for a structural plastic outer door for a household electrical apparatus comprising a plastic outer shell and an inner plastic door liner; the method comprising the steps of:vacuum forming the shell in a first forming mould into a concave dished shape having a continuous side wall terminating in a perimetrical edge; removing the shell from the first forming mould and transferring the shell to a second mould so that the permitrical edge of the shell at least partially projects from the second mould; heating the perimetrical edge of the shell projecting from the second mould; bending the perimetrical edge by urging successive portions of the perimetrical edge of the side wall towards the shell interior; inserting at least one junction element into the shell; inserting a stiffening element into the shell; and securing an inner door liner to the shell after the at least one junction element and the stiffening element have been inserted into the shell.