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SAFETY HEATER FOR PRESSURE DISPENSED PRODUCT

  • US 3,644,707 A
  • Filed: 09/21/1970
  • Issued: 02/22/1972
  • Est. Priority Date: 09/21/1970
  • Status: Expired due to Term
First Claim
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1. A device for heating fluent material such as shaving cream during dispensing from an aerosol or like portable pressurized container having a projecting depressible hollow valve stem through which said material is discharged when the stem is depressed comprising a casing of heat and electrical insulation material having an apertured base in its lower end, said base being provided with a downwardly open bore adapted to fit upon said stem so as to support said device substantially wholly on said stem but permitting such relative movement between the device and container as may be required to depress the stem, means defining a flow passage through said device extending from said apertured base to a lateral outlet, said passage having a highly heat conductive wall, means defining a confined body of heat storage material sealed within said casing in surrounding relation to said passage wall and entirely enclosed by said insulation material, electrical resistance heating means within said casing surrounding said body, and conductor means connected to said resistance means and extending externally of the casing to provide a fitting adapted for detachable connection to an electrical outlet.

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