Patent ID: 6206271
Filing Date: 2001-03-27
Classification: B23K,Y10T

Abstract:
A vacuum double wall container comprising:an inner container having a first mouth;an outer container having a second mouth, said inner container and said outer container being joined to one another at said first mouth and said second mouth, said inner container being smaller than said outer container to define a space between said inner container and said outer container;an exhaust port provided on said outer container;a projection extending from said outer container about said exhaust port and defining a recess about said exhaust port;a guide element covering said exhaust port, said guide element defining an exhaust passage located between said guide element and said outer container, said guide element including a wing portion disposed in said recess; anda brazing material disposed in said recess, said brazing material connecting said wing portion of said guide element to said outer container, said exhaust port being sealed by said guide element and said brazing material.