| 摘要 |
<p>PROBLEM TO BE SOLVED: To prevent stress from being applied to a seal part when a component is fixed to a vacuum vessel by welding.SOLUTION: A rice cooker includes: a body 1; a vacuum vessel 6 arranged inside the body 1, having a nearly cylindrical shape with an upper opening 6f, and including a vacuum layer 6h; a bottom vessel 7 for nearly clogging an opening at one end of the vacuum vessel 6; an inner pot 2 removably stored inside the vacuum vessel 6 through the upper opening 6f; a lid body 3A for covering the upper parts of the body 1 and the inner pot 2; and a heating coil 9 arranged on the lower surface side of the bottom vessel 7 and heating the inner pot 2. The vacuum vessel 6 includes a component 54 fixed by projection welding to a position nearly opposed to a seal part 51 for sealing a through-hole for exhausting internal air.</p> |
