| 摘要 |
<p>The present invention provides a metallic vacuum heat-insulating container having a double wall structure wherein the outer container includes a cylindrical outer cylinder and a metallic bottomed cylindrical bottom cover; the cylindrical outer cylinder has opened upper and lower ends, a barrel portion between the upper and lower ends, a mouth portion having an inner diameter which is smaller than that of the barrel portion, and a stepped portion whose diameter is smaller than the diameter of the barrel portion which is provided on a side surface on a lower portion of the outer cylinder, an opening portion in an upper portion of a metallic bottomed cylindrical bottom cover, which has a diameter substantially the same as the diameter of the barrel portion of the outer cylinder, is allowed to abut on the stepped portion, and the abutting portions are integrated by welding.</p> |
