US2020404749A1PendingUtilityA1

Conforming heating pad

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Assignee: SUNBEAM PRODUCTS INCPriority: Jun 18, 2019Filed: Jun 17, 2020Published: Dec 24, 2020
Est. expiryJun 18, 2039(~12.9 yrs left)· nominal 20-yr term from priority
Inventors:Sergiu Mihail PopMatthew Allen Johnson
A61F 2007/0282A61F 7/007B32B 27/08A61F 7/02B32B 5/02B32B 27/12A61F 2007/0244B32B 27/36H05B 3/34A61F 2007/0249A61F 2007/0071A61F 2007/0223A61F 2007/0222A61F 7/08H05B 2203/002A61F 2007/0093H05B 3/342A61F 2007/003A61F 2007/0094
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Claims

Abstract

The present disclosure is directed to a heating pad that conforms to body parts of a user. The conforming heating pad can be worn to provide heat relief on different parts of a user's body. In an embodiment, a conforming heating pad includes a first layer on a posterior side of the heating pad, a second layer, a third layer, and a fourth layer on an anterior side of the heating pad. A continuous heating element is distributed throughout the second layer. The continuous heating element is capable of being selectively heated to increase the temperature of the heating pad. The third layer has a plurality of cavities formed in it. Each cavity holds a plurality of beads. When the heating pad is applied to a body portion of a user, the weight of the beads applies a force against the conductive heating element, the second layer, and the first layer to thereby conform them to the body portion of the user.

Claims

exact text as granted — not AI-modified
What is claimed is: 
     
         1 . A heating pad comprising:
 a first layer on a posterior side of the heating pad;   a second layer having a continuous heating element distributed throughout the second layer, wherein the continuous heating element is selectively heated to increase the temperature of the heating pad;   a third layer having a plurality of cavities formed therein, wherein at least one of said plurality of cavities holds at least one bead; and   a fourth layer on an anterior side of the heating pad; and   wherein the weight of the beads applies a force against the conductive heating element, the second layer, and the first layer to thereby conform them to a body portion of a user of the heating pad.   
     
     
         2 . The heating pad of  claim 1 , wherein the first layer is comprised of a single-sided fabric. 
     
     
         3 . The heating pad of  claim 1 , wherein the second layer is comprised of a nylon material. 
     
     
         4 . The heating pad of  claim 1 , wherein the third layer is comprised of a polyester fabric. 
     
     
         5 . The heating pad of  claim 1 , wherein the fourth layer is comprised of a fleece material. 
     
     
         6 . The heating pad of  claim 1 , wherein the plurality of cavities is arranged in a grid pattern. 
     
     
         7 . The heating pad of  claim 1 , wherein the at least one bead is comprised of at least one of glass and ceramic. 
     
     
         8 . The heating pad of  claim 1 , wherein the plurality of cavities is formed by a plurality of opposite-facing dimples. 
     
     
         9 . The heating pad of  claim 1 , wherein the conductive heating element is surrounded by an insulative material. 
     
     
         10 . The heating pad of  claim 1 , wherein a controller is provided in electronic communication with the conductive heating element. 
     
     
         11 . A heating pad comprising:
 a first layer on a posterior side of the heating pad;   a second layer having a heating element distributed throughout the second layer,   
       wherein the continuous heating element is capable of being selectively heated to increase the temperature of the heating pad;
 a third layer having a plurality of beads; and 
 a fourth layer on an anterior side of the heating pad; and 
 wherein the weight of the beads applies a force against the conductive heating element, the second layer, and the first layer to thereby conform them to a body portion of a user of the heating pad. 
 
     
     
         12 . The heating pad of  claim 11 , wherein the first layer is comprised of a single-sided fabric. 
     
     
         13 . The heating pad of  claim 11 , wherein the second layer is comprised of a nylon material. 
     
     
         14 . The heating pad of  claim 11 , wherein the third layer is comprised of a polyester fabric. 
     
     
         15 . The heating pad of  claim 11 , wherein the fourth layer is comprised of a fleece material. 
     
     
         16 . The heating pad of  claim 11 , wherein the third layer includes a plurality of cavities to hold the plurality of beads. 
     
     
         17 . The heating pad of  claim 11 , wherein the plurality of beads is comprised of at least one of glass and ceramic. 
     
     
         18 . The heating pad of  claim 16 , wherein the plurality of cavities is formed by a plurality of opposite-facing dimples. 
     
     
         19 . The heating pad of  claim 11 , wherein the conductive heating element is surrounded by an insulative material. 
     
     
         20 . The heating pad of  claim 16 , wherein the plurality of cavities is arranged in a grid pattern.

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