Abstract: A heating device for food and other products is provided. The device includes a unit containing a rechargeable phase change material which is capable of being charged with heat energy by a heat source such as a conduction, convection, radiant heat, electrical resistance, electrical inductance, microwave, or radio frequency. The phase change material may be provided in a variety of forms and may comprise linear alkyl crystalline alkyl hydrocarbons, alkyl hydrocarbon waxes, crystalline fatty acids, linear crystalline primary alcohols, ethylene copolymers, polyethylene, polyethylene glycol, polyethylene oxide, and acetamide.

Abstract: A radiant electric heater (1) includes a heating element (4) and at least one covering sheet (7) spaced from the heating element. The at least one covering sheet is in the form of a fabric comprising glass filaments, ceramic filaments or metal filaments. Metal filaments, such as of a high temperature withstanding alloy, may be woven in the form of a fabric. Glass filaments, or ceramic filaments such as of aluminosilicate material, alumino-boro-silicate material or zirconia, may be of woven, knitted or mat form in the fabric. An apertured member (10) may be provided in contact with, or adjacent, to the covering sheet (7) of the fabric material.

Abstract: A glove liner is provided with heating units placed at the fingertips to provide heat to the fingers. The heating units are encased in an electrically insulating material and wires which are covered with an electrically insulating and flexible material connect the heating units in series with a battery pack on the wrist of the wearer. The heating units and the wires are placed on the palm side of the lining and the heating units contact the fingers directly.

Abstract: A therapeutic device for the inhibition of inflammatory diseases in biological tissue and a body part of user. The therapeutic device includes a body member having a work surface and a leading edge. A leading edge is positioned adjacent to the user so that the user extends at least a portion of the body part across the leading edge when working at repetitive motion task on the work surface. The therapeutic device further includes a plurality of lights for generating at least one beam of light positionable on the body part of the user when the user extends the body part across the leading edge. The light beam has a wave length and an intensity sufficient to inhibit the inflammation of the biological tissue in the body part of the user on which the beam of light is positioned.

Abstract: A soft and flexible thin heating element made of electrically conductive carbon carrying fabric coated with a soft stabilizing material. The heating element is shaped by curing the soft stabilizing material and cutting the coated fabric into a desired pattern. The electrical contacts are attached to the ends of the heating element core, which are electrically connected in parallel or in series. The fabric heating element core is sealed to form a multi-layer assembly comprising of at least two electrically insulating layers which envelop each strip of the heating element core. A method of producing the soft and flexible heating element is also disclosed.

Abstract: An electric heating element, such as in a tape, web or mat-shaped configuration which includes a mesh-shaped electrical conductor arrangement with at least one wire extending in a mesh shape and being uninsulated in order to produce contact points between a plurality of individual meshes. Additionally, the mesh-shaped wire arrangement is provided with at least one further carrier component holding the individual meshes of wire in a defined location or position so as to insure multiple contact between individual meshes. The carrier component extends in parallel side-by-side relationship with the wire to form the mesh-shaped electric conductor arrangement.

Abstract: A portable, thermal bag for containing a food product, such as pizza. The bag has top and bottom panels and is closed along both sides and at the rear end. The front end is open to permit insertion and removal of the food product. The top and bottom panels each have an outer cover layer and an inner cover layer, and an electric resistance wire between the cover layers. The resistance wires may be plugged into the cigarette lighter of a delivery vehicle to keep the food product warm. A thermostat is placed in the center of the top panel to control the temperature. The bag has a quick release connector which may also be plugged into a low voltage transformer in a restaurant where several bags may be kept before being used to carry a pizza in a delivery vehicle.

Abstract: A personal outdoor heating system that includes an electric cover that is powered by a power pack that has re-chargeable batteries. The electric cover has a defined footprint or wiring layout that is within the central portion of the cover. The footprint is selected to provide a desired comfort zone for a user(s). The power pack has a single receptacle to input power to the power pack to recharge the batteries and for output of power to the cover. Power to the cover is selectable between a high setting and a normal setting. A control module of the power pack has a recharging circuit for charging the batteries and a power circuit for supplying power to the cover.

Abstract: A heated thermal filter cover maintains a fluid filter, and fluid within the filter, above a gelling temperature of the fluid. The filter cover includes a soft or flexible receptacle which is generally circular in top plan and an electrical resistance wire. The receptacle includes a circular wall and a bottom which define an upwardly opening chamber sized to receive the filter. A resistance wire is placed inside the chamber, preferably at the bottom of the chamber and adjacent the inner surface of the wall. Lead wires connect the resistance wire to a source of electricity, such as the electrical system of a truck or a battery. The wall and bottom of the receptacle are both made of two plies of fleece coated fabric, the two plies being assembled together so that the fleece surfaces face each other so that the wall and bottom of the receptacle will insulate the chamber. The outer ply is preferably a fleece backed vinyl and the inner ply is preferably a thermal fleece.

Abstract: A temperature controlled insulated jacket construction 10 for encircling the top, bottom, and side of a refrigerant drum 100. The jacket construction 10 includes an inner panel member 40 that encircles the drum 100 in the horizontal orientation, an outer panel member 20 that encircles both the inner panel member 40 and the drum 100 in the vertical orientation, and a temperature controlled heating unit 13 disposed within the inner panel member 40.

Abstract: An electrically heated vest which is comprised of interchangeable designed modules including at least one heating element, a removable wiring harness, a machine washable shell, and a power cord with thermostat. The interchangeable modules are anatomically shaped and identically sized. The modules are fastened to the vest via snaps, buttons, VELCRO.RTM., or equivalent. The wiring harness is removable from the vest and has quick disconnects for the modules and power cord. The vest is machine washable, has mating fasteners for the heating elements, and an inner liner and outer shell between which the modules are attached.

Abstract: A method is provided for preventing biofouling on the surface of structures, such as docks, ships, oil drilling platforms, which come into contact with aquatic environments. In the method, a pre-formed panel heater element is provided to the surfaces of the structure which are for submerging into water. The heater element is disposed at a predetermined depth from the surface of the structure, and energized at prescribed intervals and temperature which are effective to kill and prevent settlement of larvae on the surface of the structure. The pre-formed panel heater element consists of an inner layer composed of a fabric of electrically conductive fibers encapsulated in fiberglass/resin; two outer fiberglass/resin layers disposed on opposing surfaces of and encapsulating said inner layer; and electrical leads connected to said conductive fibers and adapted to receive power from a power source.

Abstract: A heat retention device is disclosed in the form of a heating pad which includes an electrically resistive coil contained within a volume. The coil terminates at an electric coupler which is external of the volume. A heat retention mass is contained within the volume in thermal conductivity with the resistive element.

Abstract: A rechargeable phase change material unit is provided. The unit comprises a first shell portion and a second shell portion forming a hollow shell defining a cavity. At least one layer of a phase change material is disposed in the cavity of the shell. The phase change material is capable of being charged with heat energy. A heater assembly is positioned on one side of the layer of phase change material. The heater assembly is provided to charge the phase change material with heat energy and distribute heat energy throughout the layer of phase change material during the charging of the phase change material.

Abstract: In order to provide a heating mantle so composed that fixing and unfixing work can be carried out simply and easily and in addition a good thermal uniformity can be obtained, the heating mantle is fabricated by a method, by which sewing by means of a sewing machine is carried out on a sheet-shaped heat resistant and heat insulating core member, using a heating wire, which is a yarn of metal fine wires, for a lower yarn and a glass yarn for an upper yarn; a predetermined heating wire pattern is formed on a surface of the core member; and a layered body consisting of the core member with the heating wire and covering members made of glass cloth, which are laid on upperside and underside thereof, is enclosed by a sack-shaped cover member.By the heating mantle thus constructed winding around a piping is simple and easy and there is no risk that deviation of the heating wire takes place so that a good thermal uniformity with respect to the piping can be exhibited.

Abstract: An low-voltage heating system that produces a reduced magnetic field and which uses insulated copper wires, or equivalents, as heating elements. Its low operating temperature, robustness and safety enable the system to be installed in floors and walls for the general heating of buildings, and in outdoor pavements, for snow-melting purposes. The feeder busbars are configured to reduce the magnetic field around the feeder. A monitoring network continually checks the integrity of the heating system.

Abstract: A honeycomb heater includes a honeycomb structure made of an electroconductive material having slits for resistance adjustment and electrodes fitted thereto for electrification thereof. The slits are formed in the honeycomb structure in such a manner that parallel electric circuits are formed in the honeycomb structure upon electrification of the structure. This honeycomb heater with slits has a low resistance and excellent durability to repeated electrification, and is suitable for use with a battery.

Abstract: A soft and flexible thin heating element is made of strong, light and non-metallic yarns. The heating element comprises electrically conductive carbon/graphite containing fibers, woven or stranded into the strips, ropes, sleeves or strands of threads. The selected areas of the heating element core are modified to impart additional electrical properties. An optional positive temperature coefficient (PTC) material is incorporated into said selected areas. The electrode conductors are attached to said heating element core which is electrically connected in parallel or in series. The heating element core is shaped in a desired pattern. The whole assembly is sealed by at least one electrically insulating layer which envelops the strips, ropes, sleeves, or strands of threads.

Abstract: A protective cover for an outboard motor mounted on a boat transom including a flexible, bag-shaped covering to enclose the motor, a closure attached to the covering at the neck to close the neck tightly around an upper part of the motor adjacent the transom; a resistance heating element secured to the interior wall of the covering; and a thermostat to activate the heating element when the temperature within the cavity formed by the covering is below a predetermined temperature.

Abstract: A baseball bat warmer including an elongated cylindrical sleeve member that has a cylindrical side wall defining an interior cavity. The sleeve member is formed of a resilient material of two woven fabrics sandwiching an insulating padding. A vertical fastener releasable couples vertical edges of a vertical cut through the cylindrical side wall portion of the sleeve member. Included is a generally rectangular pouch that is open at a top edge and has a battery connector. The pouch is fixedly attached to the side wall of the sleeve member. Lastly, a battery housing is sized and shaped so as to receive a plurality of cylindrical batteries. The battery housing, with the batteries therein, is positioned within the pouch for coupling of a battery connector of the pouch with the battery connector of the housing. The batteries provide DC current to the heating wire.

Abstract: A lightweight and flexible outer garment provides controllable heat from a heating element to a wearer. A soft interior lining is immediately adjacent to a wearer's skin. The outer garment includes attachable gloves and boots providing complete covering of a wearer. A belt positioned around the outer garment includes a clasp which when connected enables the heating elements to provide heat to a wearer.

Abstract: A thermal heating and heat storage device is provided. The preferred device includes a paraffin based phase change material therein. In addition, the device includes an electrically resistive heating element. The heating element is selectively controllable to heat the paraffin based phase change material to a temperature of at least its phase change temperature. A thermal switch arrangement is provided to control heating. A covering is provided which defines an internal volume in which are positioned the phase change material and the electrically resistive heating element.

Abstract: A computer pad is heated for reducing repetitive motion stress and increasing comfort for a user and for providing potential therapeutic treatment by warming the hand(s) and/or wrist(s) of the user while operating a computer input device such as a mouse or a keyboard. The pad includes an electrical heating device such as a resistance-type heating element embedded in it. If a mouse is used as the input device, it can be either a stationary mouse or a conventional movably positioned mouse that is operated on the level section of the top surface of the pad's upper layer. If a stationary mouse or a keyboard is utilized, the user's hand(s) and/or wrist(s) can be supported by a suitably shaped area within an elevated section of the working surface of the pad. The lower layer of the pad may conveniently include a non-skid bottom surface.

Abstract: A insulation system for providing temperature control of a surface includes a flexible heating element, conformable to the surface. Insulating material is disposed adjacent to the heating element. Circuitry is provided for sensing the temperature of the surface. A monitor senses the temperature of the surface and selectively controls the temperature of the heating element in response to the monitoring process.

Abstract: An arrangement for relieving stress on a connection between external electrical conductors and at least one electric element such as a heating wire that is contained in a generally sheet-shaped, bendable carrier in a vehicle seat has a holding piece and a cowering piece. The ends of internal conductors leading to the electric element are preferably soldered to flat-pin contacts, which are on the ends of the electrical conductors, and which are located in recesses in the holding piece. The holding piece has pins that extend through holes in the carrier and into mating openings in the covering piece. The carrier, the ends of the internal electrical conductors, and the ends of the external electrical conductors are clamped securely into place by being sandwiched between the holding and covering pieces. Pins extend from the holding piece, through holes in the carrier, and into mating openings in the covering piece. The ends of the pins are then heat-flattened to lock the pieces together.

Abstract: An electric heating element is formed of a knit fabric and includes current supply wires and resistance wires which are incorporated in the heating element. The different types of wires extend mutually perpendicularly in the heating element. The conductive wires may be disposed in local or edge regions spaced apart with the knit fabric located therebetween. The knit fabric located between the conductive wires may be formed of non-conductive fibers or resistance wires.

Abstract: Conductive yarns and conductive wires having insulating properties at least on their surfaces are plain-woven as warps and wefts, thus manufacturing a unidirectionally conductive fabric in which neighboring conductive yarns are not electrically in contact with each other. A pair of electrodes is connected to ends of the conductive yarn, and polymeric insulating layers are laminated on both surfaces of the unidirectionally conductive fabric, thus manufacturing an electric heating sheet. Moreover, by forming polymeric covering layers having a thermal fuse function, a temperature-detecting function and a temperature controlling function on the unidirectionally conductive fabrics, highly durable and safe electric heating sheets are manufactured.

Abstract: A laminate coating comprising a durable outer ply which is resistant to abrasion and impermeable to water, bonded to and through a conductive layer of fibers and an integrally enveloping adhesive layer which is disposed on a vehicle component surface, such that the laminate coating upon curing is bonded to the vehicle component surface such as the surface of an aircraft part especially the fuselage, wing parts or tail section. The conductive layer is connected to a source of electrical energy and control means adapted to control the temperature of the coated surface of the aircraft part.

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).

Abstract: The invention is a device encompassing and warming the extremity of a wor in a cold wet environment. The device can take the form of a glove, sock and/or arm and/or leg warmer. The device contains a coil surrounding the extremity. The coil forms an envelope surrounding each extremity and each digit of an extremity. A water free, RF transmitting zone encompasses the coil envelope. The coil, extremity and RF transmitting zone combine to provide a resonant frequency with the operating frequency with which the coil is driven. The combination warms the interior of the extremity. The RF energy is provided from a source carried at some other point on the subjects body. The entire combination on each extremity and the power source can be encompassed in a shield layer which absorbs or reflects RF energy into the extremity.

Abstract: A multi-functional garment system includes an outer shell garment (20), detachable inflatable insulation module (30), detachable heating module (40), detachable physiological parameter sensors (208,210), detachable communication module (150) and detachable control and display module (130), the control module including environmental parameter sensors. Modularity of these various functional units allows a user to easily configure the garment system as needed for various activities. The control module provides for storing parameter limits and responses to fault conditions which occur when a parameter exceeds the corresponding limit. Stored responses to fault conditions include controlling any of the functional modules thereby providing improved convenience, comfort and safety.

Abstract: An electrical heater for footwear which is battery-powered and insertable into the footwear. The electrical heater includes a heatable insole, an electrical conductor, and a battery pack. The heatable insole includes an upper outer fabric layer, a heater insert assembly, and a lower outer rubber layer. The heater insert assembly is very thin and flexible and includes highly heat conductive top and bottom layers with a central layer sandwiched therebetween and having a heat conduction coefficient less than the heat conduction coefficients of the top and bottom layers, therefore acting as a momentary heat dam and storage core. A heating element is coupled to the bottom layer and has a surface area considerably smaller than the surface area of the bottom layer.

Abstract: A far infrared radiator apparatus which includes a metal wire heating element integrally formed with a radiating device composed of an elastomeric material admixed with a ceramic powder having far infrared radiating properties. The apparatus can be composed of wire fixed to a fabric and coated with the elastomeric material, a heating element coated with far IR radiating elastomeric material to form an integrated body, or wire woven with thread formed of ceramic impregnated material to form a fabric sheet. A radiator apparatus so formed can be made flexible enough to be formed into garments, or various shapes, to heat areas or portions of the body not readily accessible to other heating means.

Abstract: A method for producing a self-regulating heating cable is provided. A first conductive constituent is cryogenically cooled to a temperature at least as low as its glass transition temperature, and ground into first conductive pellets. A second conductive constituent is cryogenically cooled to a temperature at least as low as its glass transition temperature and ground into second conductive pellets. The first and second conductive pellets are combined to obtain a mixture which is extruded over a pair of conductive wires to form a cable.

Abstract: A thermal protecting blanket for a blow out preventer. The blanket is specially adapted for use in hazardous environments. It includes a flexible cover custom fitted to the shape of the blow out preventor, an electrical heating element disposed on the inside of the flexible cover, and which is detachable, and the cover having a closable opening so that it may be closed to insulate the well head control device, and opened to permit access to the device during servicing. The electrical heating element is detachable, and self regulating. External connections for the blow out preventor pass through openings in the flexible cover, and the openings are held tight against the external connections by a drawstring. The fabric cover is made of oil resistant, water resistant and fire resistant material.

Abstract: An electrically heated, cold weather garment. The garment includes a lightweight, stretchable, form-fitting fabric for covering portions of the body of a wearer of the garment; a plurality of flexible, electrical heating wires cover stitched to the fabric by sewing; an electronic controller for controlling current flowing through each of the heating wires in a pulse-width modulated fashion, to thereby independently control the heat generated by each heating wire; a plurality of potentiometers for controlling the level of power supplied to each heating wire; and a master power level potentiometer for controlling the power supplied to each of the heating wires in a uniform and simultaneous fashion. In a first preferred embodiment the controller utilizes a combination of analog and digital-like signals to control in a pulse-width modulated fashion the current flow through the heating elements.

Abstract: This invention relates to a device for air-conditioning premises, with exchange of heat energy by low temperature infrared radiation, comprising a flat element for exchanging heat energy by low temperature infrared radiation, extending parallel to a wall of the room, at a distance therefrom, wherein it comprises, between the heat exchanger element and the wall, an element reflecting the low temperature infrared radiation and, towards the interior of this room, a sheet stretched across the room, made of a material behaving in diathermic manner with respect to the low temperature infrared radiation, the heat exchanger element, the element reflecting the radiation and the sheet being hooked, along their edges, to walls of the room.

Abstract: An electrically heated fabric assembly for use with an electrically heated garment. The fabric assembly includes a lightweight, stretchable, form-fitting fabric made from polyphthalate and spandex fibers for covering various portions of the body of a wearer of the garment; and a plurality of flexible, electrical, heat generating wires arranged in a serpentine pattern on various portions of the fabric, and operable to generate heat in response to an electrical current flow through the heating wires. The heating wires are secured to the fabric by cover stitching, accomplished by sewing, to allow the fabric to retain its flexibility. The heating wires each include several conductor elements wound together in a spiral fashion, and each conductor element includes a core portion having wound therearound in a spiral fashion two tinsel-like copper conductors. The core portions each consist of several aromatic polyamide fibers of extremely high tensile strength.

Abstract: An electric heating element which includes two sets of adjacent electrically conductive wires electrically insulated from each other. By adjacent is meant that the two sets of wires are placed as close to each other as is possible without electrically connecting the two wires; for example, the wires are preferably within 2 to 4 millimeters of each other. One set of wires is constructed and arranged to carry electric current in a first direction through the heating element. The other set of wires is constructed and arranged in a parallel circuit to the first set to carry electric current in the opposite direction through the heating elements. At least one of the sets of wires is further constructed to generate heat when the electric current passes through that set of wires. Each set of wires in the heating element has equal impedance such that any magnetic field generated by one set of wires is reduced or eliminated by an opposing magnetic field generated by the other set.

Abstract: A heater for a composite structure (2) is integrally formed as part of the structure (2) itself. The structure (2) comprises a layer of conductive fibers (30), such as a carbon felt mat, embedded in a nonconductive matrix (31). Electrodes (11, 12) inject an electrical current through multiple paths (15) through the conductive fibers (30), whereby the fibers (30) convert the electrical current to heat energy. Thus, the fibers (30) serve the dual roles of structural support to the composite structure (2) and heat converters. The composite structure (2) can be a portion of or an entire paraboloidal antenna reflector (6), in which case the heater of the present invention prevents and removes ice and snow build-up thereon. Cutting slits (8) into the composite structure (2) is a technique which can be used to vary the heat distribution within the structure (2). The slits (8) are positioned according to the shape of the structure (2) and the location of the current injecting electrodes (11, 12).

Abstract: The invention provides heated gloves. A battery saver circuit applies heat with a temperature responsive pulse width modulation that changes the duty cycle at which heat is applied to the glove. The battery saver circuit is part of a battery pack which is mounted on the back of the glove. A reflective foil is contained within the glove for directing heat toward the wearer's hand.

Abstract: An electrically conductive structural composite which can be heated by application of an electrical current. The structural composite includes a plurality of layers of structural fabric which have been treated and prepreged with a laminating resin and cured into a laminate structure. At least one of the layers of fabric is rendered conductive by being treated with conductive polymer produced by the steps of contacting an electrically insulating porous structural fabric with a liquid pyrrole; contacting the electrically insulating porous structural fabric with a solution of a strong oxidant capable of oxidizing pyrrole to a pyrrole polymer; and, oxidizing the pyrrole by the strong oxidant in the presence of a substantially non-nucleophilic anion and precipitating a conductive pyrrole polymer in the pores of the structural fabric. Electrical conducting means in electrical contact with the conductive layer are utilized for providing passage of electrical current for joule heating of the structural composite.

Abstract: A flexible and rugged laminar heater in which a non-woven cloth layer serves to reduce air void formation during lmaination. The heater of the invention comprises a laminar conductive polymer heating element, at least two electrodes, at least one polymeric insulating layer and at least one nonwoven cloth layer. Suitable nonwoven cloths may comprise nylon or glass. In addition to eliminating air voids, they are useful in minimizing distortion of the laminate.

Abstract: A therapeutic pad includes a flexible member including a flat and substantially rectangular central portion defining ends spaced in the direction of elongation of the central portion and sides spaced in a direction transverse to the direction of elongation. A substantially semi-circular cut-out is provided in the central portion, the cut-out extending from an intermediate portion of one of the sides towards the other of the sides. A flat substantially rectangular extending portion projects from one side adjacent each of the ends in a direction substantially transverse to the direction of elongation of the central portion. Straps or other such means are provided for selectively connecting the opposite ends while a heating or cooling element may be positioned within the pad.

Abstract: An electrical heater which includes a fabric prepared from electrodes and an elongate resistive heating element which is composed of a conductive polymer, preferably a PTC conductive polymer, to render the heater self-regulating. The fabric is laminated to, and preferably embedded in, a sheet of an insulating polymer, particularly a non-tracking insulating polymer.

Abstract: A heating system (10) adapted to be worn by an individual (50) is provided. The heating system (10) includes at least one belt member (20) containing a heating strip (30) therein. Heating strip (30) is formed by a pair of heating elements (32) and (34) in substantially parallel relation throughout the length of belt member (20). Belt member (20) is maintained in substantially contiguous contact with a substantial longitudinal portion of the user's body (50) by a plurality of strap members (40), (42), (44), and (46). Strap members (40), (42), and (44) are provided with a Velcro hook and loop type fastening system having a latch element (92) and a hook element (94).

Abstract: An electrical warming device (13) for wrapping around the outer circumference of a container (10) for warming moist tissues therein. The heating device (13) has an inner heating pad (18) inserted within the open end (46) of an outer cover (20). A marginal side portion (60) of outer cover (20) may be folded inwardly to shorten the width of the outer cover (20) to adapt the heating device (13) for use on a container (10A) of a lesser height. The heating device (13) is held in secured position about the container (10) by matching Velcro strips (74, 76) on inner and outer overlapping end portions (14, 15) and by tied bows (16) of ribbon ties (66, 68) on overlapping end portions (14, 15).

Abstract: An electrical heating pad, in particular a mattress to be placed under a patient during surgery, comprising a number of partially overlapping resistor elements (11-18). The foil elements cover different regions of the pad and are positioned in an overlapping configuration such that in substantially all portions of the pad there are at least two overlapping foil element parts. Each foil element is fed separately from control circuitry so as to maintain a uniform temperature at all portions of the pad, irrespective of the heating load at different portions.

Abstract: An electrically heated jacket is provided that includes a garment with a pair of attachable gloves and hood mask all connectable to a heating element supplied by a portable power source worn on the jacket to emit heat to torso, arms, hands and head of wearer of the jacket. The garment contains thermally insulating material to sustain body heat.

Abstract: A therapeutic heating pad having a laminate structure which concentrates the flow of heat in one direction through the laminate including a flannel lamina in contact with a body member being treated to produce a moist hot heat to foment the body member. The laminate structure is adaptable to be held in a tubular configuration to form a muff for fomentation of a body member inserted therein.