Thermal grill for heating articles
View Patent ↗The present disclosure provides an article adapted to produce heat, the article including an outer surface having a skin-facing surface, the outer surface enclosing a heat generator; and a thermal grill disposed on the skin-facing surface. The present disclosure also provides an article for delivering a heating sensation, the article including a skin-facing surface; a plurality of warm portions disposed on the skin-facing surface; and a plurality of cool portions disposed on the skin-facing surface, wherein the warm portions and cool portions are disposed in an alternating pattern.
1. An article adapted to produce heat, the article comprising:
an outer surface having a skin-facing surface, the outer surface enclosing a heat generator; and
a thermal grill disposed on the skin-facing surface.
2. The article of claim 1 , wherein the heat generator includes a heat-producing chemical reaction.
3. The article of claim 1 , wherein the heat generator includes an electrical heat source.
4. The article of claim 1 , wherein the heat generator includes a heat-storing substance.
5. The article of claim 1 , wherein the skin-facing surface includes a skin-compatible adhesive.
6. The article of claim 1 , wherein the thermal grill includes a cool portion having an endothermic source and a warm portion having an exothermic source.
7. The article of claim 6 , wherein the endothermic source is a carbohydrate.
8. The article of claim 7 , wherein the carbohydrate is xylitol or dextrose.
9. The article of claim 6 , wherein the endothermic source is a salt hydrate.
10. The article of claim 9 , wherein the salt hydrate is sodium acetate, sodium carbonate, sodium sulfate, sodium thiosulfate, or sodium phosphate.
11. The article of claim 6 , wherein the endothermic source is an anhydrous salt.
12. The article of claim 11 , wherein the anhydrous salt is ammonium nitrate, potassium nitrate, ammonium chloride, potassium chloride, sodium bromide, magnesium sulfate, or sodium nitrate.
13. The article of claim 6 , wherein the endothermic source includes a fan.
14. The article of claim 6 , wherein the endothermic source is a ketal.
15. The article of claim 6 , wherein the exothermic source is a metal-halogen compound.
16. The article of claim 15 , wherein the metal-halogen compound is aluminum chloride, magnesium chloride, calcium chloride, or manganese iodide.
17. The article of claim 6 , wherein the exothermic source is a salt.
18. The article of claim 17 , wherein the salt is aluminum sulfate or potassium aluminum sulfate.
19. The article of claim 6 , wherein the exothermic source is a metal hydroxide.
20. The article of claim 19 , wherein the metal hydroxide is calcium oxide, barium oxide, or phosphorous pentoxide.
21. The article of claim 6 , wherein the exothermic source is a polymer.
22. The article of claim 6 , wherein the exothermic source is an electrically-resistive element.
23. The article of claim 6 , wherein one of the warm and cool portions includes a filler material.
24. The article of claim 1 , wherein the thermal grill is an alternating pattern of cool portions and warm portions.
25. The article of claim 1 , wherein the thermal grill has a cool portion including a cold side of a Peltier device and a warm portion including a hot side of a Peltier device.
26. The article of claim 25 , the Peltier device having
a first setting exhibiting a first temperature difference between the warm and cool portions when activated; and
a second setting exhibiting a second temperature difference between the warm and cool portions when activated; wherein the second temperature difference is greater than the first temperature difference.
27. The article of claim 1 , wherein the thermal grill has cool and warm portions each including a fluid-accommodating channel.
28. The article of claim 1 , wherein the thermal grill includes a covering layer.