Flexible self-regulating heating pad for compressed gas cylinders

• US 5,197,595 A
• Filed: 09/06/1990
• Issued: 03/30/1993
• Est. Priority Date: 09/06/1990
• Status: Expired due to Fees

• Current Assignee: Jamie A. Coultas
• Original Assignee: Jamie A. Coultas
• Inventors: Coultas, Jamie A.
• Primary Examiner(s): Foster, Jimmy G.
• Application Number:
  US07/578,745
• Time in Patent Office: 936 Days
• Field of Search: 206/0.6, 206/0.7, 220/3, 220/3.1, 219/521, 219/526, 219/527, 219/528, 219/529, 219/534, 219/535, 219/536, 219/538, 219/549
• US Class Current: 206/.6
• CPC Class Codes: A61F 2007/0086 with a thermostat
• CPC Class Codes: A61F 7/007 characterised by electric heating
• CPC Class Codes: H05B 2203/003 using serpentine layout
• CPC Class Codes: H05B 2203/017 Manufacturing methods or apparatus for heaters
• CPC Class Codes: H05B 2203/022 Heaters specially adapted for heating gaseous material
• CPC Class Codes: H05B 3/36 heating conductor embedded in insulating material

Abstract

A flexible self-regulating heating pad apparatus (10) in combination with a compressed gas cylinder (50); wherein, the flexible self-regulating heating pad apparatus )10) consists of a flexible self-regulating heating unit (34); an insulation unit (36); a jacketing unit (38); and a releasable attachment system (40) for installing the flexible self-regulating heating pad apparatus (10) in a circumferential fashion around the compressed gas cylinder (50) to increase the temperature and concurrently the pressure of the contents (54) of the cylinder (50).

Claims

1. A heating pad apparatus in combination with a compressed gas cylinder;

wherein, the heating pad apparatus consists of;

a flexible heating unit that consists of a flexible self-regulating heating element and an electrical input and output member;

an insulation unit adjacent to one side of the flexible heating unit;

wherein the insulation unit consists of a generally rectangular mat of insulation material;

a housing unit consisting of a fabric envelope that surrounds the insulation unit and an attached fabric cover that encloses the flexible heating unit, and

a releasable system of attachment located at opposite ends of the housing unit;

whereby, the housing unit may be installed around the circumference of said compressed gas cylinder.

2. The combination of claim 1 wherein the releasable system of attachment consists of:

integral multiple cinch strap and ring type closure combinations located at opposite ends of the jacketing unit such that the jacketing unit may be installed circumferentially on a cylinder.

3. The combination of claim 1 wherein the releasable system of attachment consists of:

integral multiple cinch strap and ring type closure combinations, and cooperating hook and loop fastners located at opposite ends of the jacketing unit such that the jacketing unit may be installed circumferentially on a cylinder.