Nova Patents
US3152240A

Electrically heated vaporizing device

Abstract

This record has no abstract on file.

US3152240A, drawing sheet 1
Sheet 1 of 4

Term

Term ended

Expired 6 October 1981, 45 years ago.

  1. Priority and filed
  2. Granted
  3. Expired
  4. Today

3 claims: 1 independent, 2 dependent

  1. 1
    What is claimed is:1. A face vaporizer comprising in combination a base portion, an insulated heater area contained within said base portion, closed water containing means supported upon said heater area and a steam enclosing face shield connected to base portion;said base portion having weighted bottom section and a circular sidewall defining a hollow chamber and terminating in a top cylindrical recess, said recess having a top peripheral circular shield receiving lip;said insulated heater area comprising a plurality of hollow cylindrical insulating layers each having closed base and open top, said insulating layers arranged within said cylindrical recess with concentric adjacent circular sidewalls and with respective bases stacked vertically;an electrical heating element contained 3,152,340 within said insulating layers and above the uppermost closed base, all portions of said heating element lying below said open top of said insulating layers;a portion of said water containing means resting within the hollow of said insulating layers, said water containing means 5 having a bottom portion and a top portion, said bottom portion being in contact with said heating element and supported thereon, and said top portion being covered with a tight-fitting lid provided with a plurality of vertical through-extending steam passages;said face shield having generally circular sidewalls and a contoured face receiving upper portion and a circular open bottom connecting portion, said open bottom, connecting portion extending over and having force fit with said peripheral shield receiving lip of base portion.