Patent ID: 6453697
Filing Date: 2002-09-24
Classification: B21D,F17C,F25B,Y10T

Abstract:
A vessel comprising a cylindrical wall and at least a first end wall made from metal stock;wherein the cylindrical wall includes an edge portion, a radially inward shoulder portion, and a capture portion therebetween; wherein the edge portion is turned radially inward to a diameter less than an outer diameter of the first end wall; wherein the shoulder portion has an inner diameter less than the outer diameter of the first end wall and forms a stop for a lower perimeter edge of the first end wall such that vibration induced stress is reduced at an inlevoutlet interface of the first end wall by distribution of the stress through the shoulder portion to the cylindrical wall; wherein the capture portion has an inner diameter slightly greater than the outer diameter of the first end wall; and wherein the first end wall is interference-fit in the capture portion.