EP0175231B1 - Récipient calorifugé - Google Patents

Récipient calorifugé Download PDF

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Publication number
EP0175231B1
EP0175231B1 EP85111266A EP85111266A EP0175231B1 EP 0175231 B1 EP0175231 B1 EP 0175231B1 EP 85111266 A EP85111266 A EP 85111266A EP 85111266 A EP85111266 A EP 85111266A EP 0175231 B1 EP0175231 B1 EP 0175231B1
Authority
EP
European Patent Office
Prior art keywords
container
heat
insulated container
collar
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
Application number
EP85111266A
Other languages
German (de)
English (en)
Other versions
EP0175231A1 (fr
Inventor
Dieter Wunder
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.)
Braun GmbH
Original Assignee
Braun GmbH
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 Braun GmbH filed Critical Braun GmbH
Publication of EP0175231A1 publication Critical patent/EP0175231A1/fr
Application granted granted Critical
Publication of EP0175231B1 publication Critical patent/EP0175231B1/fr
Expired legal-status Critical Current

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Classifications

    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47G—HOUSEHOLD OR TABLE EQUIPMENT
    • A47G19/00—Table service
    • A47G19/12—Vessels or pots for table use
    • A47G19/127—Vessels or pots for table use with means for keeping liquid cool or hot
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47G—HOUSEHOLD OR TABLE EQUIPMENT
    • A47G19/00—Table service
    • A47G19/12—Vessels or pots for table use

Definitions

  • the invention relates to a warming can according to the preamble of claim 1.
  • a warming can is known from DE-C-2 658 295.
  • Such a warming jug is particularly suitable for the storage of hot drinks and consists of an inner container which holds the hot liquid and a heat-insulating jacket surrounding it.
  • warming cans which consist of a glass inner container, an insulating layer surrounding it - for example made of plastic foam - and an outer jacket which is made of metal, for example (see e.g. DE-C-3 045 896).
  • DE-A-2 952 557 shows a coffee pot which consists of a glass inner container and a surrounding, two-part, non-insulating protective jacket.
  • the elastic prestressing of the inside edge of the collar produced by elastic deformation of the said collar edge ensures the required sealing. Due to the elastic deformability of the collar and its inner edge, dimensional deviations of the glass container of a few millimeters are easily absorbed both in the radial and in the axial direction. According to the invention, the security of the seal can be increased further in that the inner edge of the collar has a labyrinth of seals made of circumferential sealing lips.
  • the glass container has an outwardly inclined upper edge region on which the inner edge of the collar of the plastic outer shell is supported in a sealing manner under radial and / or axial elastic prestress.
  • the outer shell upper part is preferably designed in such a way that its lower edge overlaps the upper edge of the base part, the base part having a circumferential radial projection which, under radial pressure, lies around the inner surface of the upper part in a sealing manner.
  • the radial press fit achieved in this way achieves a permanent, secure seal between the two outer shell parts, an approximately triangular cross-sectional shape with the tip pointing outwards having proven particularly useful for the circumferential radial projection.
  • the upper and lower parts of the outer shell are preferably provided with interlocking fixing means, which are arranged on the inner wall of the upper part and the outer wall of the base part, in the region which, after they have been assembled, lies above the sealing radial projection.
  • These fixing means are preferably designed as corresponding undercuts which engage in one another under bias acting parallel to the central axis of the can and which, in various advantageous embodiments, have the shape of an internal and external thread or radial spigot and these corresponding recesses or a bayonet lock.
  • the base part of the outer shell is a ring which leaves the entire central part of the glass container base free, with an upward-looking, circumferential sealing lip and which is sealed all around at the edge area of the jug under parallel bias to the central axis of the jug Glass container bottom supporting inner edge.
  • the middle part of the glass container base which is left free in this way can thus be brought into direct thermal contact with the warming plate of the coffee machine.
  • the proposed design of the inner edge of the bottom ring also ensures a secure seal to the glass inner container, this construction too tion to compensate for height tolerances of the glass inner container.
  • radial ribs can be formed in the angle between the side wall of the base part and the collar extending to the inner edge, which bring about a specific stiffening of the collar, which enables flexible adaptation to special features of the overall construction.
  • the intermediate space surrounding the glass inner container and enclosed by the outer shell on all sides in a sealing manner is already an effective thermal insulation layer, in preferred embodiments of the invention it is filled or preferably filled with insulating materials known per se, such as - in particular spherical - foamed plastic particles fully foamed with fine-pored plastic foam.
  • a coffee pot of the type according to the invention suitable for use in coffee machines with a hotplate shows, this consists of a non-heat-insulating inner container 1, preferably made of glass, which is enclosed by the outer shell composed of the upper part 2 and the bottom part 3.
  • the top of the jug can be closed with a lid 4.
  • a circumferential collar 2 is formed on the upper part 2, which overlaps the edge 1.1 of the container 1 and, with its inner edge 2.3, rests in a form-fitting, sealing manner on the inside of the container edge 1.1 under elastic prestress.
  • the upper edge 1.1 of the container 1 is designed to be inclined outwards, so that the inner edge 2.3 of the collar 2.1 is supported on it in a form-fitting manner under radial as well as under axial elastic prestress.
  • stiffening ribs 2.4 are formed which influence the flexibility of the collar 2.1 and can also serve as a stop for the upper edge of the container.
  • the bottom part 3 inserted into the outer shell upper part 2 from below has a circumferential radial projection 3.1 with an approximately triangular cross section, which is supported in a form-fitting, sealing manner on the inside of the reinforced upper part edge 2.5 under radial pressure.
  • the ring-shaped outer shell upper part 3, which leaves the container bottom 1.2 free, is supported with its inner edge 3.3 designed as a sealing lip in a form-fitting, all-round manner on the edge region of the container bottom 1.2.
  • stiffening ribs 3.4 can be provided, by means of which the hardness of this support can be influenced.

Landscapes

  • Table Devices Or Equipment (AREA)
  • Packages (AREA)
  • Apparatus For Making Beverages (AREA)

Claims (16)

1. Pot calorifugé comportant un récipient ( 1 ) et un entourage thermiquement isolant qui est conjugé au récipient (1) de manière étanche, cet entourage présentant une couche isolante et, entourant celle-ci, une enveloppe extérieure (2,3) qui constiste en une partie supérieure (2) formant l'essentiel de la paroi latérale de l'entourage et en une partie base (3), le récipient étant fixé sous contrainte élastique entre la partie supérieure (2) et la partie base (3), caractérisé par le fait que l'enveloppe extérieure est en une matière plastique déformable élastiquement, par le fait que la partie supérieure (2) de l'enveloppe extérieure présente une collerette périmétrique (2.1) recouvrant le bord ( 1.1 ) du récipient (1) à paroi mince, thermiquement non-isolant, le bord intérieur (2.3) de cette collerette s'appliquant périmétriquement sous contrainte élastique, avec conjugaison de formes et de manière étanche, sans moyen d'étanchéité supplémentaire, contre le côté intérieur du bors (1) du récipient, et étant déformable de manière à s'appliquer ainsi sans moyens d'étanchéité supplémentaires liés à la collerette (2.1).
2. Pot calorifugé selon revendication 1, caractérisé par le fait que le bord intérieur (2.3) de la collerette (2.1 ) présente un labyrinthe d'étanchéité constitué de lèvres d'étanchéité périmétriques.
3. Pot calorifugé selon revendication 1 ou 2, caractérisé par le fait que le récipient (1) présente une région de son bord supérieur (1.1) inclinée vers l'extérieur, sur laquelle le bord intérieur (2.3) de la collerette (2.1 ) prend appui, avec conjugaison de formes, de manière étanche, sous contrainte radiale et/ou axiale.
4. Pot calorifugé selon l'une des revendications 1 à 3, caractérisé par le fait que des nervures de raidissement (2.4) sont formées dans l'angle compris entre la paroi latérale de la partie supérieure (2) et la collerette (2.1). ).
5. Pot calorifugé selon l'une des revendications 1 à 4, caractérisé par le fait que le bord inférieur de la partie supérieure (2) recouvre, avec chevauchement, le bord supérieur de la partie base (3), laquelle présente un relief phériphérique radial (3) qui s'applique périmétriquement, de manière étanche et avec conjugaison de formes sous serrage radial, contre la surface intérieure de la partie supérieure (2).
6. Pot calorifugé selon revendication 5, caractérisé par le fait que le relief radial phériphérique (3.1 ) présente une section droite approximativement triangulaire dont la pointe est dirigée radialement vers l'extérieur.
7. Pot calorifugé selon revendication 5 ou 6, caractérisé par le fait que la partie supérieure (2) est renforcée dans la zone de contact (2.5) du relief radial (3.1), et possède notamment une épaisseur plus grande que celle du reste de sa paroi.
8. Pot calorifugé selon l'une des revendications 5 à 7, caractérisé par le fait que des moyens de fixation (2.2, 3.2) venant mutuellement en prise sont agencés au-dessus du relief radial (3.1 ), sur la paroi intérieure de la partie supérieure (2) et sur la paroi extérieure de la partie base (3).
9. Pot calorifugé selon revendication 8, caractérisé par le fait que les moyens (2.2, 3.2) sont réalisés sous forme de parties en contredépouille qui sont mutuellement en prise sous une contrainte agissant parallèlement à l'axe central (a) du pot.
10. Pot calorifugé selon revendication 9, caractérisé par le fait que les parties en contredépouille qui se correspondent sont un filetage intérieur (2.2) et un filetage extérieur (3.2).
11. Pot calorifugé selon revendication 9, caractérisé par le fait que les parties en contredépouille qui se correspondent sont réalisées sous forme de tenons radiaux et d'évidements correspondants.
12. Pot calorifugé selon revendication 9, caractérisé par le fait que les parties en contredépouille qui se correspondent sont réalisées à la manière d'un verrouillage à baïonnette.
13. Pot calorifugé selon l'une des revendications 1 à 12, caractérisé par le fait que la partie base (3) est réalisée sous la forme d'un anneau laissant dégagée toute la partie centrale du fond (1.2) du récipient, cet anneau présentant un bord intérieur dirigé vers le haut, réalisé sous la forme d'une lèvre d'étanchéité qui prend appui périmétriquement, de manière étanche, avec conjugaison de formes contre la région du bord de la base du récipient, en étant soumise à une contrainte agissant parallèlement à l'axe central (a) du pot.
14. Pot calorifugé selon revendication 13, caractérisé par le fait que des nervures de raidissement radiales (3.4) sontformées dans l'angle entre la paroi latérale de la partie base et la collerette s'étendant vers le bord intérieur (3.3).
15. Pot calorifugé selon l'une des revendications 1 à 14, caractérisé par le fait que l'espace intermédiaire compris entre le récipient (1) et l'enveloppe extérieure (2.3) est comblé par de la mousse de matière plastique à pores fins.
16. Pot calorifugé selon l'une des revendications 1 à 14, caractérisé par le fait que l'espace intermédiaire compris entre le récipient (1) et l'enveloppe (2.3) est rempli de particules de matière plastique expansée qui sont notamment sphériques.
EP85111266A 1984-09-19 1985-09-06 Récipient calorifugé Expired EP0175231B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE3434331 1984-09-19
DE19843434331 DE3434331A1 (de) 1984-09-19 1984-09-19 Warmhaltekanne

Publications (2)

Publication Number Publication Date
EP0175231A1 EP0175231A1 (fr) 1986-03-26
EP0175231B1 true EP0175231B1 (fr) 1988-05-11

Family

ID=6245760

Family Applications (1)

Application Number Title Priority Date Filing Date
EP85111266A Expired EP0175231B1 (fr) 1984-09-19 1985-09-06 Récipient calorifugé

Country Status (4)

Country Link
US (1) US4718566A (fr)
EP (1) EP0175231B1 (fr)
CA (1) CA1251745A (fr)
DE (2) DE3434331A1 (fr)

Families Citing this family (24)

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Publication number Priority date Publication date Assignee Title
GB2230334B (en) * 1989-05-26 1992-01-02 Manx Ices Ltd Improvements in packaging
DE4013359A1 (de) * 1989-12-07 1991-06-13 Braun Ag Warmhaltekanne
GB2267144A (en) * 1992-05-22 1993-11-24 Thermos Ltd Vacuum flask
CA2169135A1 (fr) * 1995-07-19 1997-01-20 Colin Overy Etancheite pour doublure thermique interne d'une carafe
USD385793S (en) * 1996-08-05 1997-11-04 Revlon Consumer Products Corporation Combined container and cap
US5968618A (en) * 1998-04-13 1999-10-19 Miller; Blair J. Thermal coffee carafe
US6301961B1 (en) * 1999-08-26 2001-10-16 Patrick J. Rolfes Insulated beverage carafe with volume indicator
US20100288777A1 (en) * 2006-03-23 2010-11-18 Breville Pty Limited Filter Coffee Maker
US20110163128A1 (en) * 2007-08-09 2011-07-07 Asahi Breweries, Ltd. Beverage container and cooling system for the same
US9504349B2 (en) * 2008-06-12 2016-11-29 Breville Pty Ltd Carafe with off centre opening
CH705594A1 (de) 2011-10-04 2013-04-15 Pi Design Ag Doppelwandiger Flüssigkeitsbehälter.
EP2991529A4 (fr) * 2013-04-30 2017-03-22 Breville PTY Limited Appareil de carafe chauffé à deux parois et procédé
DE202014103261U1 (de) * 2014-07-15 2015-10-19 Emsa Gmbh Kanne mit einem Deckel und einem Grundkörper
USD861408S1 (en) 2018-05-16 2019-10-01 William Evans Retail Ltd. Kettle
USD906758S1 (en) 2018-05-16 2021-01-05 William Evans Retail LTD Lid assembly for water kettle
USD862147S1 (en) 2018-05-16 2019-10-08 William Evans Retail, Ltd Kettle
USD935838S1 (en) 2018-05-16 2021-11-16 William Evans Retail LTD Lid assembly for water kettle
USD957899S1 (en) 2019-11-11 2022-07-19 William Evans Retail LTD Food scoop on a food storage container
USD958608S1 (en) 2019-11-11 2022-07-26 William Evans Retail LTD Food storage container
USD966036S1 (en) 2019-11-11 2022-10-11 William Evans Retail LTD Lid for food storage container
USD958589S1 (en) 2019-11-11 2022-07-26 William Evans Retail LTD Clip for food storage container
CN112890571B (zh) * 2021-02-05 2021-12-17 长沙理工大学 一种带有防烫伤结构的自热火锅
US11779156B2 (en) 2021-02-12 2023-10-10 Sprogo Llc Reusable beverage container assembly
USD1022598S1 (en) 2021-02-12 2024-04-16 Sprogo Llc Beverage container assembly

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Also Published As

Publication number Publication date
EP0175231A1 (fr) 1986-03-26
DE3562548D1 (en) 1988-06-16
CA1251745A (fr) 1989-03-28
US4718566A (en) 1988-01-12
DE3434331A1 (de) 1986-03-27

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