Spherical vacuum insulated container

Claim 1

In combination, an insulated beverage container having a mouth through which beverages pass into and out of the interior of the container and a pump dispenser removably engaging said container and sealing the mouth of said container, whereby beverages within the container are dispensed by said pump dispenser, said insulated container comprising: a substantially spherical metal inner vessel having an opening for filling and emptying said vessel, a substantially spherical metal outer vessel concentrically enclosing said inner vessel and having an opening aligned with said opening in the inner vessel, a means for forming an airtight seal between said opening in the inner vessel and opening in the outer vessel, forming the mouth, thereby said mouth creating an airtight chamber between said vessels from which air is substantially evacuated, said forming means comprising a metal collar welded to said outer vessel and to a neck connected to said inner vessel adjacent their respective openings, said collar receiving said pump dispenser to secure same to said container, and means for supporting and stabilizing the inner vessel with respect to the outer vessel, wherein said inner and said outer vessels each comprise an upper hemisphere and a lower hemisphere welded together to define a seam, wherein the inside surface of said inner vessel at said seam has a minimum of surface contour, and a separate cap means for enclosing the seam about the outer vessel.