US 2003/0111072 A1 · Liquid heating cooker

Abstract

A liquid heating cooker including a box-shaped vat having a bottom panel A, rear panel B, left panel C, right panel D, and holding panel E, which are separated by welding lines F to I. The welding lines F and G are provided on a front wall portion, a bottom wall portion, a front wall portion and upper bottom wall portions 12e and 12f of an oil sediment holding portion, and a rear wall portion, whereas the welding lines H and I are provided on the front wall portion and the rear wall portion of the oil sediment holding portion. The welding lines are not provided at the corner portions of the vat and the corner portions are rounded. Consequently, even if the fryer is repeatedly operated and stopped, cracking at the welded portions and/or the corner portions due to expansion and contraction of the panels does not occur easily.

Claims12

Dependent claims

A liquid heating cooker comprising:

a box-shaped vat into which a heating medium is filled and which has left and right side wall portions, a front wall portion, a rear wall portion, and a bottom wall portion;
and
a heating means provided opposing the bottom wall portion from the outside, for heating the bottom wall portion by combustion so as to cook foods within the vat;
wherein a plurality of panels making up the vat are welded to one another and form a single unit;
and
wherein the panels are welded at surface locations that are shifted away from corner portions of the vat, which are the borders between the wall portions.

3 more elements

A liquid heating cooker comprising:

a box-shaped vat into which a heating medium is filled and which has left and right side wall portions, a front wall portion, a rear wall portion, and a bottom wall portion;
and
a heating means provided opposing the bottom wall portion from the outside, for heating the bottom wall portion by combustion so as to cook foods within the vat;
wherein a plurality of panels making up the vat are welded to one another and form a single unit;
wherein a left panel forming the left side wall portion and a right panel forming the right side wall portion are bent and each is provided with an integral heating edge wall portion that is coplanar with the bottom wall portion;
and
wherein left and right ends of a bottom panel forming the bottom wall portion are each welded to an end portion of one of the heating edge wall portions, and at least the heating edge wall portions and the bottom panel are coplanar.

4 more elements

Dependencies are inferred from the claim text.

Liquid heating cooker

Life of this patent

Liquid heating cooker

Life of this patent

Abstract

Claims12