Back to results
US 5,628,426 AGranted
Cooking device having heatable work surface of raised dots
AssigneeCommercial Aluminum Cookware Company
InventorsTerence O. Doyle, Paul A. LoGiudice
Life of this patent
Estimating the term…
Abstract
A cooking device, such as a frying pan, includes a base having a heat-receiving surface and a heat conductive surface. The heat conductive surface is thermally connected to the heat receiving surface, and a plurality of raised dots are provided on the conductive surface. A substantially flat valley is disposed between ones of the plurality of raised dots. In one embodiment of the invention the cooking device includes a non-stick surface on the raised dots.
Claims29
A cooking device, comprising:
- a) a base;
- b) said base including a heat-receiving surface and a heat-conductive surface;
- c) said heat-conductive surface being thermally connected to said heat-receiving surface;
- d) a plurality of raised dots provided on said heat-conductive surface;
- and
- e) a valley disposed between at least some of said plurality of raised dots;
- f) said plurality of raised dots defining a cooking region on said heat-conductive surface;
- g) a substantially dot-free supplemental region provided adjacent said cooking region;
- h) a transition region disposed between said cooking region and said supplemental region;
- and
- i) ones of said raised dots in said transition region having heights relative to said valley that are highest adjacent to said cooking region and lowest adjacent to said supplemental region.
8 more elements
A cooking device, comprising:
- a) a base;
- b) said base including a heat-receiving surface and a heat-conductive surface;
- c) said heat-conductive surface being thermally connected to said heat-receiving surface;
- d) a plurality of raised dots provided on said heat-conductive surface;
- and
- e) a valley disposed between at least some of said plurality of raised dots;
- f) said plurality of raised dots defining a first, cooking region on said heat-conductive surface;
- g) ones of said plurality of raised dots in said first region having a first height extending away from said valley;
- h) a second region disposed outwardly of said first region;
- i) ones of said raised dots in said second region having a second height extending away from said valley;
- and
- j) said first height being greater than said second height.
9 more elements
A method of producing a cooking device, comprising the steps of:
- a) providing a flat blank;
- b) embossing a plurality of raised dots on the flat blank;
- c) providing a valley between at least some of adjacent ones of the plurality of raised dots in a cooking region;
- d) providing a substantially dot-free supplemental region adjacent the cooking region;
- e) providing a transition region between the cooking region and the supplemental region;
- f) providing a valley between at least some of adjacent ones of the plurality of raised dots in the transition region;
- and
- g) forming ones of the raised dots in the transition region to have heights relative to the valley that are highest adjacent to the cooking region and lowest adjacent to the supplemental region.
5 more elements
Dependencies are inferred from the claim text.