EP1721668A2 - Electrical radiator for balloons and similar containers - Google Patents

Electrical radiator for balloons and similar containers Download PDF

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Publication number
EP1721668A2
EP1721668A2 EP06380102A EP06380102A EP1721668A2 EP 1721668 A2 EP1721668 A2 EP 1721668A2 EP 06380102 A EP06380102 A EP 06380102A EP 06380102 A EP06380102 A EP 06380102A EP 1721668 A2 EP1721668 A2 EP 1721668A2
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EP
European Patent Office
Prior art keywords
heating
heating body
frame
balloon
rings
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EP06380102A
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German (de)
French (fr)
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EP1721668A3 (en
Inventor
Enric Bonet Hernandez
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Individual
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Individual
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01L—CHEMICAL OR PHYSICAL LABORATORY APPARATUS FOR GENERAL USE
    • B01L7/00—Heating or cooling apparatus; Heat insulating devices
    • B01L7/02—Water baths; Sand baths; Air baths
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01L—CHEMICAL OR PHYSICAL LABORATORY APPARATUS FOR GENERAL USE
    • B01L3/00—Containers or dishes for laboratory use, e.g. laboratory glassware; Droppers
    • B01L3/08—Flasks

Definitions

  • the present invention relates to an electric radiator specifically and concretely designed to heat balloons or other type of similar container of usual use in the laboratory and which has previously disposed inside a liquid product to be heated, as a step of a concrete process, the essential characteristics of the mentioned electric radiator being described below.
  • the heating of the balloon, as well as the liquid disposed in its interior, is carried out normally, by means of ordinary electric radiators consisting of a hollow body, inside which the balloon is placed properly, whose body is heated to a high temperature. temperature by means of electrical resistances arranged all around on the outside, and sometimes even inside depending on the type of model.
  • radiators have the disadvantage that the electrical resistances which must heat the body inside which the balloon has been placed are located in a place where they are easily subjected to the effects of heated liquids, whether in case of spill or leakage balloon, or in case of cracking and flow of the contents inside the radiator itself.
  • the radiator object of the present invention proposes a practical and economical solution in the form of a heating element constituted a shielded resistor, called a heating blanket, which surrounds the outside of the heater body of the appliance, so that in the event of a rupture of the flask, a spill or leakage of liquid, it can not enter in contact with said heating blanket, since it is not in contact with the outside.
  • a heating element constituted a shielded resistor, called a heating blanket, which surrounds the outside of the heater body of the appliance, so that in the event of a rupture of the flask, a spill or leakage of liquid, it can not enter in contact with said heating blanket, since it is not in contact with the outside.
  • radiator which is the subject of the present invention is obvious, all the more so since its practical implementations may comprise apparatus with a body of different sizes for heating balloons of different volumes, as well as an individual or series radiator. two or more bodies.
  • the body of the heater mentioned several times shall be made of metal, covered with ceramic material, extremely resistant to the action of corrosive liquids and at high temperatures, or stainless steel with similar strength properties to those ceramic.
  • the heating mantle or similar container consists of a heating body (1), manufactured as indicated above, of metal, covered with a layer of ceramic or stainless steel, of which the The inlet is cylindrical and the bottom is shaped like a spherical cap, and is provided with a shielded resistance or heating blanket (2) which perfectly surrounds the upper outer surface of the mentioned heating body (1).
  • Said body (1) has an upper rim, in the form of a circular ring (3), which is sandwiched between two circular rings (4) and (5), made of thermal insulation material.
  • a useful upper layer (6) provided with a central orifice which coincides perfectly with the inlet of the heating body (1), and a vertical edge at right angles which covers the upper contour of the frame (7), which constitutes the outer lateral or lower part of the apparatus.
  • This frame (7) is completed by an upper face (7a), flat and horizontal, provided with a circular central orifice which coincides perfectly with the upper part of the side of the heating body (1), the upper face (7a) of the frame (7) mentioned below the lower insulation ring (5).
  • the set of two isolation rings (4) and (5) with the upper ring (3) of the body of heating (1) rests completely on the upper surface (7a) of the frame (7), as well as the heating body (1) itself, the whole being perfectly maintained by the upper cover (6) so as to form a fully sealed assembly that does not leak any liquid and, consequently, can not suffer any fault or failure.
  • an insulating screen (8) which surrounds the entire mentioned body, laterally and from below, and which is completed by a padding made of wool or a piece of insulating material (9) guaranteeing a total thermal efficiency to the apparatus, without any loss of heat to the outside, isolation also guaranteed by the action of the insulating rings (4) and (5) ) which avoid the transmission and therefore the heat loss through the upper circular ring (3) of the heating body (1).
  • This integral insulation in addition to avoiding possible heat losses, is also a factor of safety for the user because it is not in contact with the heating elements.
  • the flask (1a), filled with the liquid to be heated, must be placed in the interior space (1b) of the heating body (1), depending on the heating method used, as described above.
  • the operation of the heating system is based on the action of an electronic control module (11), placed in the inner lower part (10) of the frame (7), totally isolated from the heat zone of the apparatus.
  • This electronic module is controlled from the outside by means of the appropriate control (11a).
  • the apparatus described herein may have an enlarged frame on the sides (12) so as to be able to house one or more additional heating bodies and thus operate in series.
  • Another variant of the practical implementation can also provide an apparatus whose frame, instead of being quadrangular prismatic as indicated in FIG. 2, is cylindrical in order to meet the space criteria at the external appearance level. .

Abstract

A flask heater comprises a body (1) made from a material that is resistant to corrosion and high temperatures, such as a ceramic covered metal or stainless steel, having a cylindrical inlet and a spherical base. The upper portion of the body's outer surface is covered by a metal clad resistance (2), and its rim is surrounded by a ring (3) between two circular plates (4, 5) of a material with a high thermal insulation capacity, with a top cover (6) that has a circular opening coinciding exactly with the inlet.

Description

Le présente invention se rapporte à un radiateur électrique conçu spécialement et concrètement pour chauffer des ballons ou autre type de récipient similaire d'usage habituel en laboratoire et dont on a préalablement disposé à l'intérieur un produit liquide à chauffer, comme étape d'un processus concret, les caractéristiques essentielles du radiateur électrique mentionné étant décrites ci-dessous.The present invention relates to an electric radiator specifically and concretely designed to heat balloons or other type of similar container of usual use in the laboratory and which has previously disposed inside a liquid product to be heated, as a step of a concrete process, the essential characteristics of the mentioned electric radiator being described below.

Comme indiqué dans le paragraphe précédent, il arrive très souvent que, dans le but de mener à bien une recherche dans le cadre de l'élaboration d'un processus industriel, l'on doive procéder au chauffage de liquides, souvent de nature corrosive, qu'il est nécessaire de manipuler en toute sécurité en utilisant des récipients adéquats, tels que les ballons usuels fabriqués en matière résistante à la chaleur.As mentioned in the previous paragraph, it is very often the case that, in order to carry out research in the context of the development of an industrial process, it is necessary to proceed with the heating of liquids, often of a corrosive nature, It is necessary to handle safely by using suitable containers, such as conventional balloons made of heat-resistant material.

Le chauffage du ballon, ainsi que du liquide disposé en son intérieur, s'effectue normalement, au moyen de radiateurs électriques ordinaires constitués d'un corps creux, à l'intérieur duquel le ballon est placé convenablement, dont le corps est chauffé à haute température au moyen de résistances électriques disposées tout autour à l'extérieur, et parfois même également à l'intérieur selon le type du modèle.The heating of the balloon, as well as the liquid disposed in its interior, is carried out normally, by means of ordinary electric radiators consisting of a hollow body, inside which the balloon is placed properly, whose body is heated to a high temperature. temperature by means of electrical resistances arranged all around on the outside, and sometimes even inside depending on the type of model.

Ces radiateurs présentent l'inconvénient que les résistances électriques qui doivent chauffer le corps à l'intérieur duquel le ballon a été placé sont situées à un endroit où elles sont facilement soumises aux effets des liquides chauffés, que ce soit en cas de déversement ou fuite du ballon, ou bien en cas de fêlure et d'écoulement du contenu à l'intérieur de radiateur lui-même.These radiators have the disadvantage that the electrical resistances which must heat the body inside which the balloon has been placed are located in a place where they are easily subjected to the effects of heated liquids, whether in case of spill or leakage balloon, or in case of cracking and flow of the contents inside the radiator itself.

Cette situation accidentelle entraîne le court-circuit de l'installation électrique et provoque, quasiment à chaque fois, la rupture d'une ou de plusieurs résistances de chauffage, ce qui représente un préjudice grave pour l'appareil qui devra être dûment réparé ainsi qu'un risque d'électrocution pour l'utilisateur.This accidental situation causes the short circuit of the electrical installation and causes, almost every time, the rupture of one or more heating resistors, which represents a serious damage to the device which will have to be duly repaired as well as a risk of electrocution for the user.

Le radiateur objet de la présente invention propose une solution pratique et économique sous la forme d' un élément de chauffage constitué d'une résistance blindée, appelée couverture chauffante, qui entoure l'extérieur du corps de chauffage de l'appareil, de sorte qu'en cas de rupture du ballon, de déversement ou de fuite de liquide, celui-ci ne puisse pas entrer en contact avec ladite couverture chauffante, du fait qu'il n'est pas en contact avec l'extérieur.The radiator object of the present invention proposes a practical and economical solution in the form of a heating element constituted a shielded resistor, called a heating blanket, which surrounds the outside of the heater body of the appliance, so that in the event of a rupture of the flask, a spill or leakage of liquid, it can not enter in contact with said heating blanket, since it is not in contact with the outside.

Le radiateur est pourvu d'une mise à la masse, conformément à la réglementation en vigueur, et son corps de chauffage est totalement étanche, de sorte à pouvoir chauffer les ballons de quatre manières différentes :

  • a) Par transmission ou contact direct du ballon avec les parois du corps de chauffage mentionné ;
  • b) Par radiation-convection, le ballon n'étant pas en contact avec les parois intérieures du corps, la chaleur se transmettant à travers l'air situé autour du ballon à l'intérieur du corps ;
  • c) Par conduction, à travers la masse d'un fluide, comme éventuellement l'eau ou bien un fluide thermique, qui remplit l'intérieur du corps de chauffage dans lequel le ballon a été plongé, ou bien à travers une masse solide, concrètement et dans laquelle le ballon a été plongé ; ou
  • d) Également par conduction, à travers une masse solide en grain, comme éventuellement le sable, dans laquelle le ballon à chauffer a été plongé.
The radiator is provided with a grounding, in accordance with the regulations in force, and its heating body is completely sealed, so that the balloons can be heated in four different ways:
  • a) By transmission or direct contact of the balloon with the walls of the mentioned heating body;
  • b) Radiation-convection, the balloon not being in contact with the inner walls of the body, the heat being transmitted through the air around the balloon inside the body;
  • c) by conduction, through the mass of a fluid, as possibly water or a thermal fluid, which fills the inside of the heating body in which the balloon has been immersed, or through a solid mass, concretely and in which the balloon was plunged; or
  • d) Also by conduction, through a solid mass of grain, as possibly sand, in which the balloon to be heated was immersed.

La polyvalence du radiateur objet de la présente invention est évidente, d'autant plus que ses mises en oeuvre pratique peuvent comprendre des appareils au corps de différente taille permettant de chauffer des ballons de différents volumes, ainsi qu'un radiateur individuel ou en série, à deux corps ou plus.The versatility of the radiator which is the subject of the present invention is obvious, all the more so since its practical implementations may comprise apparatus with a body of different sizes for heating balloons of different volumes, as well as an individual or series radiator. two or more bodies.

Le corps de l'appareil de chauffage mentionné à plusieurs reprises doit être fabriqué en métal, recouvert de matière céramique, extrêmement résistante à l'action des liquides corrosifs et aux températures élevées, ou bien en acier inoxydable, aux propriétés de résistance similaires à celles de la céramique.The body of the heater mentioned several times shall be made of metal, covered with ceramic material, extremely resistant to the action of corrosive liquids and at high temperatures, or stainless steel with similar strength properties to those ceramic.

La suite de la description se rapporte aux différents composants de l'appareil. Pour ce faire, des dessins ont été joints illustrant, à titre d'exemple non restrictif, une mise en oeuvre pratique du radiateur objet de la présente invention.The following description refers to the various components of the device. To do this, drawings have been attached illustrating, by way of non-restrictive example, a practical implementation of the radiator object of the present invention.

Dans lesdits dessins,

La Figure 1
représente une vue de l'ensemble d'en haut et partiellement en coupe, où le ballon a été retiré de son emplacement à l'intérieur du corps de chauffage ; et
La Figure 2
représente une vue en perspective d'un appareil unitaire, avec la possibilité d'une mise en oeuvre multiple, en série.
In said drawings,
Figure 1
is a view of the assembly from above and partially in section, where the balloon has been removed from its location inside the heating body; and
Figure 2
represents a perspective view of a unitary apparatus, with the possibility of multiple implementation, in series.

D'après ces dessins, le chauffe-ballon ou récipient similaire est constitué d'un corps de chauffage (1), fabriqué comme indiqué ci-dessus, en métal, recouvert d'une couche en céramique ou en acier inoxydable, dont l'entrée est cylindrique et le fond en forme de calotte sphérique, et qui est doté d'une résistance blindée ou couverture chauffante (2) qui entoure parfaitement la surface extérieure supérieure du corps de chauffage mentionné (1).According to these drawings, the heating mantle or similar container consists of a heating body (1), manufactured as indicated above, of metal, covered with a layer of ceramic or stainless steel, of which the The inlet is cylindrical and the bottom is shaped like a spherical cap, and is provided with a shielded resistance or heating blanket (2) which perfectly surrounds the upper outer surface of the mentioned heating body (1).

Ledit corps (1) possède un rebord supérieur, en forme de bague circulaire (3), qui se trouve pris en « sandwich » entre deux anneaux circulaires (4) et (5), fabriqués en matière d'isolation thermique.Said body (1) has an upper rim, in the form of a circular ring (3), which is sandwiched between two circular rings (4) and (5), made of thermal insulation material.

Sur ces anneaux isolants (4) et (5) se trouve une couche supérieure utile (6), pourvue d'un orifice central qui coïncide parfaitement avec l'entrée du corps de chauffage (1), et d'un rebord vertical en équerre qui recouvre le contour supérieur du cadre (7), lequel constitue la partie externe latérale ou inférieure de l'appareil.On these insulating rings (4) and (5) is a useful upper layer (6), provided with a central orifice which coincides perfectly with the inlet of the heating body (1), and a vertical edge at right angles which covers the upper contour of the frame (7), which constitutes the outer lateral or lower part of the apparatus.

Ce cadre (7) est complété par une face supérieure (7a), plane et horizontale, pourvue d'un orifice central circulaire qui coïncide parfaitement avec la partie supérieure du côté du corps de chauffage (1), la face supérieure (7a) du cadre (7) mentionnée se trouvant en dessous de l'anneau d'isolation inférieur (5).This frame (7) is completed by an upper face (7a), flat and horizontal, provided with a circular central orifice which coincides perfectly with the upper part of the side of the heating body (1), the upper face (7a) of the frame (7) mentioned below the lower insulation ring (5).

Les composants de l'appareil ainsi disposés, l'ensemble des deux anneaux d'isolation (4) et (5) avec la bague supérieure (3) du corps de chauffage (1) repose complètement sur la surface supérieure (7a) du cadre (7), de même que le corps de chauffage (1) lui-même, le tout étant parfaitement maintenu par la couverture supérieure (6) de sorte à constituer un ensemble totalement étanche ne laissant filtrer aucun liquide et, par voie de conséquence, ne pouvant souffrir aucun défaut ou panne.The components of the apparatus thus arranged, the set of two isolation rings (4) and (5) with the upper ring (3) of the body of heating (1) rests completely on the upper surface (7a) of the frame (7), as well as the heating body (1) itself, the whole being perfectly maintained by the upper cover (6) so as to form a fully sealed assembly that does not leak any liquid and, consequently, can not suffer any fault or failure.

À l'intérieur de l'espace délimité entre le cadre (7) et le corps de chauffage (1) se trouve un écran isolant (8) qui entoure la totalité du corps mentionné, latéralement et par en dessous, et qui est complété par un rembourrage en laine ou morceau de matériau isolant (9) garantissant un rendement thermique total à l'appareil, sans aucune perte de chaleur vers l'extérieur, isolement également garantit par l'action des anneaux d'isolation (4) et (5) qui évitent la transmission et par conséquent la perte de chaleur à travers la bague circulaire supérieure (3) du corps de chauffage (1).Within the space defined between the frame (7) and the heating body (1) is an insulating screen (8) which surrounds the entire mentioned body, laterally and from below, and which is completed by a padding made of wool or a piece of insulating material (9) guaranteeing a total thermal efficiency to the apparatus, without any loss of heat to the outside, isolation also guaranteed by the action of the insulating rings (4) and (5) ) which avoid the transmission and therefore the heat loss through the upper circular ring (3) of the heating body (1).

Cet isolation intégrale, en plus d'éviter les possibles pertes de chaleur, est également un facteur de sécurité pour l'utilisateur du fait qu'elle n'est pas en contact avec les éléments de chauffage.This integral insulation, in addition to avoiding possible heat losses, is also a factor of safety for the user because it is not in contact with the heating elements.

Le ballon (1a), rempli du liquide à chauffer, doit être disposé dans l'espace intérieur (1b) du corps de chauffage (1), en fonction de la méthode de chauffage employée, tel que décrit plus haut.The flask (1a), filled with the liquid to be heated, must be placed in the interior space (1b) of the heating body (1), depending on the heating method used, as described above.

Le fonctionnement du système de chauffage est basé sur l'action d'un module de commande électronique (11), placé dans la partie basse intérieure (10) du cadre (7), totalement isolé de la zone de chaleur de l'appareil. Ce module électronique se commande depuis l'extérieur au moyen de la commande appropriée (11a).The operation of the heating system is based on the action of an electronic control module (11), placed in the inner lower part (10) of the frame (7), totally isolated from the heat zone of the apparatus. This electronic module is controlled from the outside by means of the appropriate control (11a).

En tant que variante de la mise en oeuvre pratique, l'appareil ici décrit peut avoir un cadre élargi sur les côtés (12) de sorte à pouvoir abriter un ou plusieurs corps de chauffage supplémentaires et ainsi fonctionner en série.As a variant of the practical implementation, the apparatus described herein may have an enlarged frame on the sides (12) so as to be able to house one or more additional heating bodies and thus operate in series.

Une autre variante de la mise en oeuvre pratique peut également prévoir un appareil dont le cadre, à la place d'être prismatique quadrangulaire comme indiqué dans la figure 2, est cylindrique afin de répondre aux critères d'espace au niveau de l'aspect extérieur.Another variant of the practical implementation can also provide an apparatus whose frame, instead of being quadrangular prismatic as indicated in FIG. 2, is cylindrical in order to meet the space criteria at the external appearance level. .

Pour ces raisons, il convient de préciser que n'importe quelle variation dans la mise en oeuvre de la invention ici décrite, tant au niveau des dimensions, de la forme extérieure, de la disposition en unité ou en série et bien au niveau du type de matériau utilisé, ladite caractéristique essentielle étant résumée dans les revendications qui suivent.For these reasons, it should be noted that any variation in the implementation of the invention described here, as regards the dimensions, the external shape, the unit or series arrangement and indeed the level of the type of material used, said essential characteristic being summarized in the following claims .

Claims (5)

Chauffe-ballon et récipient similaire, électrique, à utiliser en laboratoire pour le chauffage de liquides, généralement corrosifs, préalablement introduits à l'intérieur desdits récipients, caractérisé en ce qu'il est constitué d'un corps de chauffage (1) fabriqué en matière résistante à la corrosion et aux températures élevées, de même qu'en métal recouvert par de la céramique ou de l'acier inoxydable, à entrée cylindrique et à fond en forme de calotte sphérique, autour duquel, au niveau de la zone haute extérieur, se trouve une résistance blindée, ou couverture chauffante (2), qui l'entoure parfaitement et dont l'action provoque le chauffage dudit corps de chauffage dont l'espace intérieur abrite la ballon à chauffer.Bottle warmer and similar electrical container for use in the laboratory for heating liquids, generally corrosive, previously introduced inside said containers, characterized in that it consists of a heating body (1) made of material resistant to corrosion and high temperatures, as well as metal covered with ceramic or stainless steel, cylindrical inlet and spherical cap bottom, around which, at the level of the outer high zone , there is a shielded resistor, or heating blanket (2), which surrounds it perfectly and whose action causes the heating of said heating body whose inner space houses the balloon to be heated. Chauffe-ballon et récipient similaire, électrique, selon la revendication précédente, caractérisé en ce que le corps de chauffage possède un rebord supérieur, en forme de bague circulaire (3), qui se trouve serré entre deux anneaux circulaires plats (4-5) fabriqués en matière à forte capacité d'isolation thermique ; une couverture supérieure (6) dont l'orifice circulaire central coïncide parfaitement avec l'entrée du corps de chauffage (1) est disposée sur ces anneaux et est pourvue d'un rebord vertical qui recouvre le contour supérieur du cadre (7) qui constituera la partie extérieure de l'appareil, côtés et base, cadre dont les côtés, dans une mise en oeuvre, seront prolongés dans le but de permettre la mise en place de plusieurs corps de chauffage, dans une disposition d'un fonctionnement en série.Balloon heater and similar electrical container, according to the preceding claim, characterized in that the heating body has an upper rim, in the form of a circular ring (3), which is clamped between two flat circular rings (4-5). made of materials with high thermal insulation capacity; an upper cover (6) whose central circular orifice perfectly coincides with the inlet of the heating body (1) is arranged on these rings and is provided with a vertical flange which covers the upper contour of the frame (7) which will constitute the outer part of the apparatus, sides and base, frame whose sides, in one implementation, will be extended in order to allow the establishment of several heating bodies, in an arrangement of a series operation. Chauffe-ballon et similaire, électrique, selon les revendications précédentes, caractérisé en ce que le cadre possède une face supérieure plane et horizontale (7a) pourvue d'un orifice circulaire d'un diamètre égal au diamètre extérieur du corps de chauffage (1), de sorte que l'ensemble constitué par les deux anneaux d'isolation (4-5) et la bague supérieure (3) du corps de chauffage s'appuie parfaitement sur cette face supérieure du cadre et soit maintenu par la couverture supérieure qui est emboîtée sur eux, en étant, par conséquent, maintenu dans sa position de travail, la totalité du corps de chauffage, constituant un ensemble totalement étanche ne laissant passer aucun fluide à l'intérieur.Balloon heater and the like, electric, according to the preceding claims, characterized in that the frame has a planar and horizontal upper surface (7a) provided with a circular orifice of a diameter equal to the outer diameter of the heating body (1). , so that the assembly constituted by the two insulating rings (4-5) and the upper ring (3) of the heating body is perfectly supported on this upper face of the frame and is maintained by the upper cover which is nested on them, being, therefore, maintained in its working position, the entire heating body, constituting a completely sealed assembly not allowing any fluid to pass inside. Chauffe-ballon et similaire électrique, selon les revendications précédentes, caractérisé en ce qu'il contient à l'intérieur un écran isolant (8) qui entoure la totalité du corps de chauffage (1), sur les côtés et par en dessous, tout l'espace intérieur de l'appareil étant rempli de laine ou d'un morceau de matériau d'isolation thermique (9) garantissant la rétention de la chaleur générée par la couverture chauffante (2), qui ne sera pas transmise en direction du cadre, de la même façon que l'action des anneaux d'isolation (4-5) sur la bague circulaire (3) du corps de chauffage évitera toute perte de chaleur par cette zone supérieure de l'appareil.Balloon heater and the like, according to the preceding claims, characterized in that it contains on the inside an insulating screen (8) which surrounds the entire heating body (1), on the sides and from below, all the interior space of the apparatus being filled with wool or a piece of thermal insulation material (9) ensuring the retention of heat generated by the heating blanket (2), which will not be transmitted towards the frame in the same way that the action of the insulating rings (4-5) on the circular ring (3) of the heating body will avoid any loss of heat by this upper zone of the apparatus. Chauffe-ballon et similaire électrique, selon les revendications précédentes, caractérisé en ce qu'il comprend un module électronique de commande (11), actionné depuis l'extérieur (11a) du cadre et situé dans la partie basse (10) de l'appareil, convenablement isolé de la zone de chauffage.Balloon heater and the like, according to the preceding claims, characterized in that it comprises an electronic control module (11) actuated from the outside (11a) of the frame and situated in the lower part (10) of the device, properly isolated from the heating zone.
EP06380102A 2005-05-10 2006-05-05 Electrical radiator for balloons and similar containers Withdrawn EP1721668A3 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
ES200501058U ES1060236Y (en) 2005-05-10 2005-05-10 ELECTRIC HEATER FOR MATRACES AND SIMILAR

Publications (2)

Publication Number Publication Date
EP1721668A2 true EP1721668A2 (en) 2006-11-15
EP1721668A3 EP1721668A3 (en) 2009-01-14

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Family Applications (1)

Application Number Title Priority Date Filing Date
EP06380102A Withdrawn EP1721668A3 (en) 2005-05-10 2006-05-05 Electrical radiator for balloons and similar containers

Country Status (4)

Country Link
US (1) US20060289446A1 (en)
EP (1) EP1721668A3 (en)
CN (1) CN1895785A (en)
ES (1) ES1060236Y (en)

Cited By (1)

* Cited by examiner, † Cited by third party
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ES1060236U (en) 2005-08-01
CN1895785A (en) 2007-01-17

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