Patent ID: 6883220
Filing Date: 2005-04-26
Classification: B21D,F02K,G21B,Y02E,Y10T

Abstract:
1. A method for forming an article having a wall that is at least partially formed from a tube, the method comprising the steps of: providing at least one tube; stacking the at least one tube in a predetermined manner such that the at least one tube forms a plurality of tube seqments that are approximately abutted against one another; and employing a pressurized fluid to compress the plurality of tube seqments such that a first surface of the at least one tube substantially conforms to a predetermined first wall configuration, a second surface of the at least one tube that is disposed opposite the first surface substantially conforms to a predetermined second wall configuration and each of the tube seqments is substantially contiguous with at least one other tube segment; wherein the at least one tube is evacuated prior to the step of exposing the at least one tube to a pressurized fluid.