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Charcoal fuel article
| Details |
Inventors: Fay, III, James E.; Hrubecky, Frederick J.; Mills, Doris A.; Gierke, Carl J.; Heikkinen, Wilbert; Williams, Rory D.; Lang, James I.;
Assignee: Kimberly-Clark Corporation (Neenah, WI)
Primary Examiner: Dees; Carl F.
Assistant Examiner:
Attorney, Agent or Firm: Traut; Donald L.
Novel, and improved fuel articles having a plurality of novel characteristics and having a typical mass density of 0.6 to 1.2 g/cc and a bulk density of 0.2 to 0.4 times the mass density. The greatest distance dg from a point in the fuel article to the nearest point on the nearest one of the upstanding walls is between 0.15 and 0.60 times the height of the fuel article. Charcoal fuel articles of the invention ignite faster than conventional pillow-shaped charcoal fuel articles and deliver substantially more usable cooking heat flux to the cooking surface of a standard charcoal cooker than do conventional pillow-shaped briquettes. The coal article may have a central body portion having a minor circumference, a plurality of fingers projecting from the central body portion, and a hole in the central body portion. The fingers may have finger ends wherein the ratio of the major circumference defined by the finger ends to the minor circumference is at least about 1.25:1. Preferred ratio of surface area to volume of the fuel articles of the invention is between 2.5:1 and 7.0:1. The fuel articles of the invention have a plurality of intersecting walls, which desirably intersect at sharp angles. The invention further includes novel methods of making the fuel articles disclosed herein, and novel methods of cooking using them. |
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DETAILED DESCRIPTION The charcoal fuel articles of this invention are seen to have a plurality of novel features and characteristics.
The charcoal fuel articles of this invention have a mass density of about 0.
6 g/cc to about 1.
2 g/cc, preferably about 0.
7 to about 0.
85 g/cc, and most preferably about 0.
73 to about 0.
76 g/cc, in combination with a bulk density of about 0.
2 to about 0.
4 times the mass density and preferably about 0.
3 to about 0.
35 times mass density.
Further, the charcoal fuel articles of this invention have, in combination, a height, h, and substantially upstanding walls, each article having a hole through it, the hole itself being defined by substantially upstanding walls, the charcoal fuel article having a height to cross-section diameter ratio of no more than about 1:1; and the greatest distance, dg, from a point in the fuel article to the nearest point on the nearest upstanding walls ranging from about 0.
15 h to about 0.
60 h.
Still further, the charcoal fuel articles of this invention have, in combination, a height to cross-section ratio of less than about 1:1 and a hole through the article, the hole being defined by substantially upstanding walls.
A feature of the articles of the invention is that a given mass of the fuel articles is capable of delivering substantially more usable cooking heat flux to the cooking surface of the standard charcoal cooker than an equivalent mass of standard pillow-shaped charcoal briquettes having the same composition.
Further, the charcoal fuel articles of the invention have, in combination, a height to cross-section ratio of less than about 1:1 and, when compared to standard charcoal briquettes of the same composition, the fuel articles of the invention reach cooking output of heat flux, as measured at the cooking surface during the ignition phase, substantially sooner than an equivalent mass of the conventional pillow-shaped charcoal briquettes.
Still further, the charcoal fuel articles of the invention have a normal orientation position, and in that position, the vertical projection of a single layer of the articles positioned in close formation together is at least about 5% void, and preferably about 10% void, most preferably about 12 to about 16% void, but not over 20% void, and most preferably including a hole through each of the charcoal fuel articles as part of that void amount
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Manufacturing Materials 
