EP0317691B1 - Procédé de réalisation de l'enveloppe isolante d'un appareil thermique - Google Patents

Procédé de réalisation de l'enveloppe isolante d'un appareil thermique Download PDF

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Publication number
EP0317691B1
EP0317691B1 EP87870162A EP87870162A EP0317691B1 EP 0317691 B1 EP0317691 B1 EP 0317691B1 EP 87870162 A EP87870162 A EP 87870162A EP 87870162 A EP87870162 A EP 87870162A EP 0317691 B1 EP0317691 B1 EP 0317691B1
Authority
EP
European Patent Office
Prior art keywords
ferrule
covers
cover
rim
edge
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
EP87870162A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP0317691A1 (fr
Inventor
Michel Cataldo
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Thorflam Electronique Europeenne Sa Ste
Original Assignee
Thorflam Electronique Europeenne Sa Ste
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Thorflam Electronique Europeenne Sa Ste filed Critical Thorflam Electronique Europeenne Sa Ste
Priority to EP87870162A priority Critical patent/EP0317691B1/fr
Priority to AT87870162T priority patent/ATE73536T1/de
Priority to DE8787870162T priority patent/DE3777415D1/de
Priority to ES198787870162T priority patent/ES2031158T3/es
Publication of EP0317691A1 publication Critical patent/EP0317691A1/fr
Application granted granted Critical
Publication of EP0317691B1 publication Critical patent/EP0317691B1/fr
Priority to GR920401197T priority patent/GR3004849T3/el
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
    • F24H1/00—Water heaters, e.g. boilers, continuous-flow heaters or water-storage heaters
    • F24H1/18—Water-storage heaters
    • F24H1/181—Construction of the tank
    • F24H1/182—Insulation

Definitions

  • the present invention relates to a method for mounting a thermal device such as a water heater or a boiler for example, in an insulating envelope comprising a body formed from a sheet metal side wall and two plastic covers, and a sheath thermal insulation housed between the thermal appliance and the body.
  • the body covering thermal appliances usually consists of a sheet metal side wall and two sheet metal covers also, the covers being attached to the side wall and fixed thereon by reinforced or not reinforced fitting. using screws or rivets.
  • Plastic covers are also sometimes used fitted on the edges of the side wall as illustrated by document US-A-4477399, for example, but in this case the injection of the insulating material is only possible with the using a holding mold to prevent the covers from falling apart during the swelling phase of the insulating material.
  • the subject of the invention is a method for producing the insulating envelope of a thermal device using plastic covers without requiring the external retention of the covers during the swelling phase of the material which is to form the thermal insulating sheath.
  • the invention also relates to a simple, rapid and economical method for mounting a thermal device in its insulating envelope.
  • the method according to the invention is characterized in that a sheet metal ferrule is produced with an internal rim along its two edges, a first plastic cover having its profiled peripheral edge is introduced into the ferrule. fit under the rim of the ferrule and it is put in place so that the peripheral edge of the cover is engaged under and cooperates by contact with the lower surface of the rim of the ferrule, then the ferrule and cover assembly is placed around of a device.
  • a second plastic cover is introduced having its peripheral edge profiled to fit under the rim of the ferrule and it is placed so that the peripheral edge of the cover is engaged under and cooperates by contact with the lower surface of the rim of the ferrule, then by any orifice formed in the first cover, an insulating product is injected abounding in the space between the device and the body formed by the ferrule and the two covers without external retention of these covers, the seal between the shell and the plastic covers being ensured by the deformation of the profiled edges of the covers under the pressure exerted by the abundant product.
  • the profiled edge of the covers has a shape such that, when these covers are placed on the ferrule, the external surface of this edge cooperates with the lower surface of the rim along at least two continuous contact lines.
  • This process has the advantages of achieving an excellent fixing of the covers on the side wall by the pressure exerted by the swelling insulating material itself and of automatically ensuring a seal. perfect against the loss of swelling material.
  • the mounting process is simple and quick because the stabilization of the insulating material in a solid and compact sheath is very fast.
  • this process optionally makes it possible to use prepainted sheets to form the shell because the planking of the sheet can be carried out easily before bending, without causing degradation to the paint.
  • FIG. 1 there is shown schematically in section an exemplary electric water heater in its insulating envelope.
  • the electric water heater is identified by the reference numeral 5.
  • an insulating envelope comprising a body consisting of a ferrule 1 closed at its ends by two covers 2 and 3, and a sheath made of thermal insulating material 4.
  • the covers 2 and 3 are made of material plastic, Figures 2 and 3 showing on a larger scale an exemplary embodiment of these covers made according to the invention. These plastic covers are assembled according to the invention on a metal ferrule as will be seen below.
  • the assembly of the bodywork according to the invention is illustrated by Figures 4 to 12 appended.
  • the side wall of the body consists of a ferrule 1 formed from a sheet by bending and longitudinal closure (Figure 4).
  • An inner rim is then formed along each of the edges of the ferrule 1 (FIG. 5): a rim 11 along a first edge of the ferrule and a rim 12 along the second edge.
  • the ferrule can thus advantageously be made from a prepainted sheet because it is easy to form the flanges 11 and 12 before bending without causing degradation to the paint.
  • a first plastic cover 2 having its peripheral edge 13 profiled in order to be able to adapt under the inner rim 11 of the ferrule and it is put in place (FIG. 6) so that its peripheral peripheral edge 13 is engaged on its entire length under and is in contact with the inner rim 11 of the ferrule (FIG. 7).
  • FIGS. 11 and 12 are enlarged views illustrating the insertion and the positioning of an exemplary profiled edge 13 under the rim 11.
  • the profile of the peripheral edge 13 can have various shapes provided that, when the cover is placed on the shell 1, the external surface of this profiled edge has at least two continuous contact lines with the lower surface of the rim 11 so as to seal the bodywork as is will see further.
  • Figures 13 and 14 illustrate two other exemplary profiles contributing to the same result.
  • the cover 2 is preferably made of a plastic which gives it sufficient deformability to make it easy to put in place.
  • FIG. 2 illustrates an exemplary embodiment of the cover 2.
  • the cover 2 has a central opening 6 the edge of which is formed with an internal rim 14.
  • the ferrule 1 and cover 2 assembly is then placed around a thermal appliance 5 so that it is in contact with said flange 14 (FIG. 8).
  • FIG. 3 illustrates an exemplary embodiment of the cover 3.
  • the profile of the edge 15 of the cover 3 has a shape such that, when the cover is placed on the shell 1, the outer surface of this profiled edge has at least two continuous contact lines with the lower surface of the rim 12 so as to seal the bodywork as will be seen further.
  • the injection of the abundant product is done without external maintenance of the covers 2 and 3; these are held in place and hermetically fixed along the edges of the shell 1 only by the deformation of the profiled edges 13 and 15 of the covers under the pressure exerted by the abundant product.
  • the abundant expanded product is stabilized and stiffened and forms the insulating, solid and compact sheath 4.
  • the sealing between these and the shell is ensured by the deformation of the edges. 13 and 15 of the covers themselves.
  • the production of the insulating envelope of a thermal device is significantly accelerated and simplified.
  • it allows the use of molded plastic covers and these covers can also advantageously be formed with cavities or projections on their outer surface to configure integrated handles that facilitate handling of the device mounted in its insulating envelope.

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Thermal Insulation (AREA)
  • Resistance Heating (AREA)
  • Shaping Of Tube Ends By Bending Or Straightening (AREA)
  • Casings For Electric Apparatus (AREA)
  • Fixing For Electrophotography (AREA)
EP87870162A 1987-11-27 1987-11-27 Procédé de réalisation de l'enveloppe isolante d'un appareil thermique Expired - Lifetime EP0317691B1 (fr)

Priority Applications (5)

Application Number Priority Date Filing Date Title
EP87870162A EP0317691B1 (fr) 1987-11-27 1987-11-27 Procédé de réalisation de l'enveloppe isolante d'un appareil thermique
AT87870162T ATE73536T1 (de) 1987-11-27 1987-11-27 Verfahren zum herstellen eines isoliermantels fuer ein heizgeraet.
DE8787870162T DE3777415D1 (de) 1987-11-27 1987-11-27 Verfahren zum herstellen eines isoliermantels fuer ein heizgeraet.
ES198787870162T ES2031158T3 (es) 1987-11-27 1987-11-27 Procedimiento para la fabricacion de la envolvente aislante de un aparato termico.
GR920401197T GR3004849T3 (enrdf_load_stackoverflow) 1987-11-27 1992-06-08

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP87870162A EP0317691B1 (fr) 1987-11-27 1987-11-27 Procédé de réalisation de l'enveloppe isolante d'un appareil thermique

Publications (2)

Publication Number Publication Date
EP0317691A1 EP0317691A1 (fr) 1989-05-31
EP0317691B1 true EP0317691B1 (fr) 1992-03-11

Family

ID=8198508

Family Applications (1)

Application Number Title Priority Date Filing Date
EP87870162A Expired - Lifetime EP0317691B1 (fr) 1987-11-27 1987-11-27 Procédé de réalisation de l'enveloppe isolante d'un appareil thermique

Country Status (5)

Country Link
EP (1) EP0317691B1 (enrdf_load_stackoverflow)
AT (1) ATE73536T1 (enrdf_load_stackoverflow)
DE (1) DE3777415D1 (enrdf_load_stackoverflow)
ES (1) ES2031158T3 (enrdf_load_stackoverflow)
GR (1) GR3004849T3 (enrdf_load_stackoverflow)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP4517210A1 (fr) * 2023-08-28 2025-03-05 Compagnie Industrielle des Chauffe-Eau Dispositif de stockage d'eau

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102013016705A1 (de) * 2013-10-09 2015-04-09 Stiebel Eltron Gmbh & Co. Kg Verfahren zur Dämmung eines Warmwasserspeichers und Warmwasserspeicher

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1386696A (fr) * 1964-02-11 1965-01-22 Thomson Houston Comp Francaise Perfectionnements apportés à un réservoir à accumulation d'eau chaude et à sa technique de réalisation
US4477399A (en) * 1982-06-16 1984-10-16 Gsw Inc. Method and apparatus for manufacturing a foam insulated water heater

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP4517210A1 (fr) * 2023-08-28 2025-03-05 Compagnie Industrielle des Chauffe-Eau Dispositif de stockage d'eau
FR3152576A1 (fr) * 2023-08-28 2025-03-07 Compagnie Industrielle Des Chauffe-Eau Dispositif de stockage d’eau

Also Published As

Publication number Publication date
DE3777415D1 (de) 1992-04-16
EP0317691A1 (fr) 1989-05-31
ES2031158T3 (es) 1992-12-01
ATE73536T1 (de) 1992-03-15
GR3004849T3 (enrdf_load_stackoverflow) 1993-04-28

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