EP1027847A2 - Porte de fermeture pour meuble frigorifique et procédé pour la réaliser - Google Patents

Porte de fermeture pour meuble frigorifique et procédé pour la réaliser Download PDF

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Publication number
EP1027847A2
EP1027847A2 EP00200278A EP00200278A EP1027847A2 EP 1027847 A2 EP1027847 A2 EP 1027847A2 EP 00200278 A EP00200278 A EP 00200278A EP 00200278 A EP00200278 A EP 00200278A EP 1027847 A2 EP1027847 A2 EP 1027847A2
Authority
EP
European Patent Office
Prior art keywords
panel
door
cabinet structure
sheets
profiled
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.)
Granted
Application number
EP00200278A
Other languages
German (de)
English (en)
Other versions
EP1027847A3 (fr
EP1027847B1 (fr
Inventor
Alessandro Guiducci
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.)
Cisaplast SRL
Original Assignee
Cisaplast SRL
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
Priority claimed from IT1999RE000020 external-priority patent/IT1311034B1/it
Priority claimed from ITRE990007 external-priority patent/IT248240Y1/it
Application filed by Cisaplast SRL filed Critical Cisaplast SRL
Priority to DK00200278T priority Critical patent/DK1027847T3/da
Publication of EP1027847A2 publication Critical patent/EP1027847A2/fr
Publication of EP1027847A3 publication Critical patent/EP1027847A3/fr
Application granted granted Critical
Publication of EP1027847B1 publication Critical patent/EP1027847B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • E—FIXED CONSTRUCTIONS
    • E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
    • E06B—FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
    • E06B3/00—Window sashes, door leaves, or like elements for closing wall or like openings; Layout of fixed or moving closures, e.g. windows in wall or like openings; Features of rigidly-mounted outer frames relating to the mounting of wing frames
    • E06B3/66—Units comprising two or more parallel glass or like panes permanently secured together
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47F—SPECIAL FURNITURE, FITTINGS, OR ACCESSORIES FOR SHOPS, STOREHOUSES, BARS, RESTAURANTS OR THE LIKE; PAYING COUNTERS
    • A47F3/00—Show cases or show cabinets
    • A47F3/04—Show cases or show cabinets air-conditioned, refrigerated
    • A47F3/0404—Cases or cabinets of the closed type
    • A47F3/0426—Details
    • A47F3/0434—Glass or transparent panels
    • E—FIXED CONSTRUCTIONS
    • E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
    • E06B—FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
    • E06B3/00—Window sashes, door leaves, or like elements for closing wall or like openings; Layout of fixed or moving closures, e.g. windows in wall or like openings; Features of rigidly-mounted outer frames relating to the mounting of wing frames
    • E06B3/70—Door leaves
    • E06B3/7007—Door leaves with curved, e.g. cylindrical or oval cross-section

Definitions

  • This invention relates to a transparent closure door for refrigerator cabinets, and a method for its construction.
  • Those refrigerator cabinets typically for commercial use, which also act as display cabinets for the refrigerated products contained in them (cakes, ice-creams, frozen food, etc.) are usually provided with transparent front doors both enabling the contained products to be seen and providing thermal insulation.
  • These doors usually comprise a transparent panel (often known as a thermopan) formed from at least two spaced-apart parallel transparent sheets (usually of glass) rigidly joined together by an interposed perimetral spacer extending along the entire perimetral edge of the sheets and closing the interspace defined by the sheets.
  • the panel is inserted into a rigid frame which is hinged to the cabinet structure.
  • the frame is formed from four profiled elements joined rigidly together at their corners to form a frame of sufficient rigidity and strength to support its own weight and that of the panel and the other mechanical stresses which it is subjected to during use.
  • the frame hence acts as a a structural element the purpose of which is to resist mechanical stresses, whereas the panel only has a curtain-wall function, ie to close the mouth of the cabinet.
  • An object of this invention is to simplify the construction of said doors and to achieve an enhanced appearance.
  • a cylindrical curved transparent sheet is placed in front of the panel, its vertical sides being fixed to the vertical sides of the frame.
  • the interspace defined by the curved sheet and the panel front surface cannot be sealed hermetically mainly because of the presence of the spacer which inevitably possesses air seepage points. Because of this, the air present in the interspace can easily form condensate on those sheet surfaces with which it comes into contact.
  • the invention also proposes to overcome this drawback, within the framework of a solution offering good appearance.
  • the invention is based on the fact of comprising a first profiled element extending along one side of the glazed panel, to which it is rigidly joined, and having at least one corridor for containing the means for connecting the hinge to the cabinet structure.
  • the glazed panel is secured to the cabinet structure only via said profiled element and is supported only by this latter, without the aid of any rigid whole frame enclosing the panel.
  • the door indicated overall by 10 in Figures 1-4, comprises a glazed panel 11 with two transparent sheets 12 and 13, typically of glass or of other transparent material. Most such panels comprise two transparent sheets, however the panel of the invention can comprise a larger number of sheets.
  • the sheets can also be of special material, such as heated glass, low-emissivity glass, reflecting glass. etc.
  • the two sheets 12 and 13 are parallel and spaced apart to define an air interspace 14. Between them there is interposed a perimetral spacer 15 in contact with the mutually facing inner faces of the sheets and extending along the entire perimetral edge of the sheets.
  • the spacer 15 is joined to both the sheets 12 and 13 and acts as a means for securing them together. In cooperation with the sheets it also defines and closes the interspace 14.
  • the sheets 12 and 13 are joined together and to the perimetral spacer 15 by a synthetic resin-based adhesive 17, which usually covers the outer side 15a of the perimetral spacer 15.
  • edges 12a and 13a of the sheets 12 and 13 and the outer side 15a of the spacer 15 are positioned substantially in the same plane and are covered by the adhesive layer 17. This characteristic is repeated on the four sides of the panel 11 and produces for the panel 11 four edges 11a which are narrow and flat.
  • the front surface of the panel 11 is defined by the outwardly facing surface 12' of the front sheet 12.
  • a first profiled element 21 is provided, extending along one side of the panel and fixed rigidly to this side.
  • the cross-section through the profiled element 21 (see Figure 3) possesses two coplanar inner surfaces 32 and 33 which are positioned in contact with the edge 11a of the panel 11, and in particular with the layer 17, and are fixed to this by interposed adhesive.
  • the cross-section through the profiled element 21 also possesses a lower corridor 34 for receiving by insertion a usual gasket element 35 for sealing the door 10, when closed, against the front edge of the refrigerator cabinet structure 9.
  • the gasket 35 when seen in cross-section the gasket 35 possesses an appendix 36 with a dovetail profile which is snap-inserted into the lower corridor 34.
  • the cross-section through the profiled element 21 possesses a fin 37 which covers a narrow strip of the front surface 12' (that visible) of the panel 11, close to the edge of this latter.
  • the cross-section through the profiled element 21 also defines a corridor 31 for containing the means, of known type not shown in the figures, for securing the hinge to the cabinet structure 9.
  • drilled blocks can be suitably inserted and fixed in this corridor in the vicinity of the two ends of the profiled element 21, to receive in their holes the hinge pins 38 of vertical axis (one of these pins is shown in Figure 1), fixed to the cabinet structure 9 to define the vertical axis about which the door 10 rotates.
  • the panel 11 When mounted on the cabinet structure, the panel 11 is secured to it only via the profiled element 21 and is supported only by this latter.
  • the panel 11 is supported without the aid of any rigid whole frame enclosing and supporting the panel 11, as instead happens in the known art.
  • the panel is fixed along one edge to the profiled element 21, which is itself hinged to the cabinet structure, it being the panel itself which resists those static stresses (in particular its own weight) and dynamic stresses to which it is subjected during use.
  • respective profiled elements are also positioned on and secured to the other sides of the panel 11 (those not constrained to the cabinet structure 9) and are supported only by this latter.
  • a second profiled element 22 is positioned on the vertical side opposite that on which the first profiled element 21 is positioned, two profiled elements 23 and 24 being positioned on the upper and lower horizontal sides of the panel 11.
  • the second profiled element 22 has the same cross-section as the first profiled element 21. In particular, it possesses a corridor 34 to receive by insertion the appendix 36 of the gasket 35.
  • the profiled element 22 can also be fixed by usual means to a usual handle 7 for operating the door.
  • the horizontal profiled elements 23 and 24 are mutually identical but are shallower than the two profiled elements 21 and 22. Their function is mainly the aesthetic one of covering the upper and lower edge of the panel 11 and to carry the gasket 35. For this purpose they both possess a fin 39 which covers a narrow strip of the front surface 12' (the visible surface) of the panel along its horizontal edge. They also both comprise a corridor 41 for receiving the appendix 36 of the gasket 35 by insertion.
  • the gasket 35 is in one piece in the form of a rectangular rim (composed of four longitudinal elements joined together at their corners), which extends along the entire perimeter of the panel 11 and is fixed to it by means of said corridors 34 and 41.
  • the four profiled elements 21-24 are not joined together (this would be in any event pointless from the mechanical stress resistance aspect), and are supported by the panel 11.
  • profiled elements can be made with smaller dimensions, in particular with regard to the width of the perimetral rim which they define on the front surface 12', with consequent improvement in the general appearance of the door.
  • the door of the invention can be manufactured by the following method, offering further advantages in door manufacture.
  • This adhesive is such that it adheres to the sheets and spacer, and then hardens to define the panel edge 11a.
  • the first profiled element 21 is positioned on the relative panel edge 11a in contact with the resin layer 17, so that when hardening has occurred the profiled element 21 has been joined to the panel by said resin.
  • An adhesive suitable for the aforedescribed purpose is a polysulphide based two-component resin, for example a known resin with the brand name of "THIOKOL".
  • all the profiled elements 21-24 are positioned on their respective sides of the panel in contact with the resin 17, so that when said hardening has occurred said profiled elements 21-24 have been joined to the panel 11 by said resin.
  • This method further simplifies door manufacture.
  • the door of the invention could also be manufactured by a different method, for example by gluing the first profiled element 21 and the other possible elements to the panel 11 using traditional techniques, after the resin 17 has hardened.
  • the door indicated overall by 110, comprises a glazed panel 11 identical to that heretofore described, ie with two transparent sheets 12 and 13, one front and the other rear, typically of glass or of other transparent material.
  • the two sheets 12 and 13 are parallel and spaced apart to define an air interspace 14. Between them there is interposed a perimetral spacer 15 in contact with the mutually facing inner faces of the sheets and extending along the entire perimetral edge of the sheets.
  • the spacer 15 is joined to both the sheets 12 and 13 and acts as a means for securing them together. In cooperation with the sheets it also defines and closes the interspace 14.
  • the sheets 12 and 13 are joined together and to the perimetral spacer 15 by a synthetic resin-based adhesive 17, which usually covers the outer side 15a of the perimetral spacer 15.
  • edges 12a and 13a of the sheets 12 and 13 and the outer side 15a of the spacer 15 are positioned substantially in the same plane. This characteristic is repeated on the four sides of the panel 11 and produces for the panel 11 four edges 11a which are narrow and flat.
  • the front surface of the panel 11 is defined by the outwardly facing surface 12' of the front sheet 12.
  • This embodiment of the invention comprises a curved transparent sheet 151 with vertical generating lines, which is positioned in front of the front surface of the panel 111 and has its own rear concave surface 151'' in contact with the panel front surface (defined by the front surface 12' of the front sheet 12) along the two front vertical corners 511 of this latter.
  • the curved sheet 151 has a greater width than the panel 111 and projects laterally beyond said front vertical corners 511 thereof, with which its rear surface 151'' makes contact.
  • seams 155 of adhesive arranged to seal these lines and to join the panel and the curved sheet together.
  • Two circular segment-shaped closure elements namely an upper one 152 and a lower one 153, are provided along the upper horizontal side and lower horizontal side of the door 110 to upperly and lowerly close the interspace defined by the panel front sheet and the curved sheet.
  • said elements 152, 153 each consist of a solid having two circular segment-shaped identical opposite flat bases 156, a rear flat face 157 and an arched face 158, which matches the curvature of the curved sheet 151.
  • the rear face 157 is positioned in contact with the front surface 12' of the panel 11 and sealed thereagainst by a seam 161 of sealing adhesive, the face 158 being positioned in contact with the rear surface 151'' of the curved sheet 151 and sealed thereagainst by a seam 162 of sealing adhesive.
  • interspace 154 which is hermetically sealed along its sides by the seams 155 and at its top and bottom by the elements 152 and 153.
  • the elements 152 and 153 possess an internal cavity 159 in which hygroscopic substances are contained to maintain the air present in the interspace 154 dry.
  • the elements 153 are provided with holes in that base 156 facing the interior of the interspace 154, to connect the cavity 159 to the interspace.
  • a first profiled element 121 extending along one side of the glazed panel 11 and fixed rigidly to this side.
  • the cross-section through this profiled element 121 (see Figure 7) possesses two inner surfaces 132 and 33 which are positioned in contact with the edge 11a of the panel 11, and in particular with the layer 17, and are fixed to this by interposed adhesive.
  • the cross-section through the profiled element 121 also possesses a lower corridor 134 for receiving by insertion a usual gasket element 135 for sealing the door 110, when closed, against the front edge of the refrigerator cabinet structure 9.
  • the gasket 135 possesses an appendix 136 with a dovetail profile which is snap-inserted into the lower corridor 134.
  • the cross-section through the profiled element 121 possesses a fin 137 which covers a narrow strip of the front surface 151' (that visible convex surface) of the curved sheet 151, close to the vertical edge of this latter.
  • the corridor 131 is arranged to contain the means, of known type not shown in the figures, for securing the hinge to the cabinet structure 9.
  • drilled blocks can be suitably inserted and fixed in the corridor 131 in the vicinity of the two ends of the profiled element 121, to receive in their holes the hinge pins 138, of vertical axis (one of these pins is shown in Figure 5), fixed to the cabinet structure 9 to define the vertical axis about which the door 110 rotates.
  • a second corridor 142 into which usual electrical resistance elements can be inserted to be fed with current to heat the panel 11 (to prevent condensation on its glazed surfaces).
  • the panel 11 When mounted on the cabinet structure, the panel 11 is secured to it only via the profiled element 121 and is supported only by this latter.
  • respective profiled elements are also positioned on and secured to the other sides of the panel 11 (those not constrained to the cabinet structure 9) and are supported only by this latter.
  • a second profiled element 122 is positioned on the vertical side opposite that on which the first profiled element 121 is positioned, two profiled elements 123 and 124 being positioned on the upper and lower horizontal sides of the panel 11.
  • the second profiled element 122 has the same cross-section as the first profiled element 121. In particular, it possesses a corridor 134 to receive by insertion the appendix 136 of the gasket 135.
  • the profiled element 122 can also be fixed by usual means to a usual handle 7 for operating the door.
  • the horizontal profiled elements 123 and 124 are mutually identical and cover only the upper edge of the panel 11. Their function is mainly to carry the gasket 135. For this purpose they both comprise a corridor 141 for receiving the appendix 136 of the gasket 135 by insertion.
  • the gasket 135 is in one piece in the form of a rectangular rim (composed of four longitudinal elements joined together at their corners), which extends along the entire perimeter of the panel 11 and is fixed to it by means of said corridors 134 and 141.
  • the four profiled elements 121-124 are not joined together (this would be in any event pointless from the mechanical stress resistance aspect), and are supported by the panel 11.
  • the door of this embodiment can also be constructed by the aforedescribed method.
  • the curved sheet 151 has a greater height than the panel 11 and projects upwards and downwards beyond its upper and lower sides.
  • the projecting portion covers the profiled elements 123 and 124 positioned on the horizontal sides of the panel. The result is that the panel 11 is completely covered on its front by the curved sheet 151 to achieve a refined appearance.

Landscapes

  • Engineering & Computer Science (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Refrigerator Housings (AREA)
  • Securing Of Glass Panes Or The Like (AREA)
  • Glass Compositions (AREA)
  • Polymerisation Methods In General (AREA)
  • Liquid Crystal (AREA)
EP00200278A 1999-02-11 2000-01-27 Porte de fermeture pour meuble frigorifique et procédé pour la réaliser Expired - Lifetime EP1027847B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DK00200278T DK1027847T3 (da) 1999-02-11 2000-01-27 Gennemdigtig aflukningsdör til köleskab og fremgangsmåde til fremstilling af denne

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
IT1999RE000020 IT1311034B1 (it) 1999-02-11 1999-02-11 Sportello trasparente di chiusura per armadi frigoriferi e metodo perrealizzarlo.
ITRE990020 1999-02-11
ITRE990007 IT248240Y1 (it) 1999-02-11 1999-02-11 Sportello trasparente di chiusura per armadi frigoriferi con superficie curva.
ITRE990007U 1999-02-11

Publications (3)

Publication Number Publication Date
EP1027847A2 true EP1027847A2 (fr) 2000-08-16
EP1027847A3 EP1027847A3 (fr) 2001-06-13
EP1027847B1 EP1027847B1 (fr) 2004-09-01

Family

ID=26331987

Family Applications (1)

Application Number Title Priority Date Filing Date
EP00200278A Expired - Lifetime EP1027847B1 (fr) 1999-02-11 2000-01-27 Porte de fermeture pour meuble frigorifique et procédé pour la réaliser

Country Status (5)

Country Link
EP (1) EP1027847B1 (fr)
AT (1) ATE274826T1 (fr)
DE (1) DE60013336T8 (fr)
DK (1) DK1027847T3 (fr)
ES (1) ES2225012T3 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2867041A1 (fr) * 2004-03-05 2005-09-09 Mvm Meuble adaptable forme d'un caisson muni d'une porte plane ou cintree
US9841223B2 (en) 2014-12-01 2017-12-12 Samsung Electronics Co., Ltd. Refrigerator

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE202007007785U1 (de) * 2007-06-01 2008-10-09 Remis Gesellschaft für Entwicklung und Vertrieb von technischen Elementen mbH Köln Kühlmöbel-Scheibenverbund

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0381646A1 (fr) * 1989-01-20 1990-08-08 Termofrost Ab Profilé pour battants de portes
FR2667137A1 (fr) * 1990-09-20 1992-03-27 Anthony S Mfg Co Porte de refrigerateur formant vitrine.
WO1998002632A1 (fr) * 1996-07-11 1998-01-22 Manfred Woschko Dispositif a battant, sans cadre, d'une porte ou d'une croisee a vitrage isolant, et son procede en fabrication
EP0887505A1 (fr) * 1997-06-25 1998-12-30 Harry Krischer Procédé de fabrication d'un battant de porte et battant de porte
DE19828333A1 (de) * 1998-06-25 1999-12-30 Geze Gmbh & Co Schrank

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0381646A1 (fr) * 1989-01-20 1990-08-08 Termofrost Ab Profilé pour battants de portes
FR2667137A1 (fr) * 1990-09-20 1992-03-27 Anthony S Mfg Co Porte de refrigerateur formant vitrine.
WO1998002632A1 (fr) * 1996-07-11 1998-01-22 Manfred Woschko Dispositif a battant, sans cadre, d'une porte ou d'une croisee a vitrage isolant, et son procede en fabrication
EP0887505A1 (fr) * 1997-06-25 1998-12-30 Harry Krischer Procédé de fabrication d'un battant de porte et battant de porte
DE19828333A1 (de) * 1998-06-25 1999-12-30 Geze Gmbh & Co Schrank

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2867041A1 (fr) * 2004-03-05 2005-09-09 Mvm Meuble adaptable forme d'un caisson muni d'une porte plane ou cintree
US9841223B2 (en) 2014-12-01 2017-12-12 Samsung Electronics Co., Ltd. Refrigerator

Also Published As

Publication number Publication date
ATE274826T1 (de) 2004-09-15
ES2225012T3 (es) 2005-03-16
DE60013336T8 (de) 2005-06-02
DK1027847T3 (da) 2004-11-29
EP1027847A3 (fr) 2001-06-13
DE60013336D1 (de) 2004-10-07
DE60013336T2 (de) 2005-01-13
EP1027847B1 (fr) 2004-09-01

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