EP0273192B1 - Tür für einen Kühlcontainer - Google Patents

Tür für einen Kühlcontainer Download PDF

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Publication number
EP0273192B1
EP0273192B1 EP87117219A EP87117219A EP0273192B1 EP 0273192 B1 EP0273192 B1 EP 0273192B1 EP 87117219 A EP87117219 A EP 87117219A EP 87117219 A EP87117219 A EP 87117219A EP 0273192 B1 EP0273192 B1 EP 0273192B1
Authority
EP
European Patent Office
Prior art keywords
door
narrow sides
edge
profile
shell
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
EP87117219A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP0273192A1 (de
Inventor
Friedrich Karl Dipl.-Ing. Simon
Klaus Schmider
Jürgen Schmidbauer
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.)
Umformtechnik Hausach GmbH
Original Assignee
Umformtechnik Hausach 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 Umformtechnik Hausach GmbH filed Critical Umformtechnik Hausach GmbH
Publication of EP0273192A1 publication Critical patent/EP0273192A1/de
Application granted granted Critical
Publication of EP0273192B1 publication Critical patent/EP0273192B1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
    • F25D23/00—General constructional features
    • F25D23/02—Doors; Covers

Definitions

  • the invention relates to a door for a refrigerated container with a stable, outer door leaf, an inner, as a sheet metal liner, with the outer door leaf and the inner door connecting narrow sides, which encompass the edges of the outer door leaf as profiles and which an inner sealing element between have the narrow side and the inside of the container carrying connection profile made of plastic and with a foam insulation located between the outer door leaf and the inner door surface.
  • the profiles that surround the edges of the outer door panel and that have an outer sealing element are generally made of aluminum because of their resistance. This is followed by the plastic connecting profile used to prevent thermal bridges.
  • a refrigerated container of the type mentioned above is, for example, from the brochure of the company THYSSEN UMFORMTECHNIK "Thyssen Isoliercontainer für Diae Schiffskühlung”, December 1980, Fröndenberg-Langschede, page 7. It is of course also possible to also produce the profile encompassing the edges of the outer door panel from plastic, in which case this profile and the connecting profile are expediently formed as the only plastic profile The sheet metal of the inner door surface is then inserted as a flat sheet into a slot in the plastic profile.
  • This embodiment of the container door is disadvantageous since the plastic profiles are often damaged and rough, particularly in the corners, when handled roughly In addition, the known doors are difficult to reliably seal when the space between the outer door leaf and the inner lining is filled in.
  • the rubber cover is formed on the edge as an elastic sealing bead lying on the front of the refrigerator and overlaps the angled edge of the inner door shell made of sheet metal.
  • the cavity between the outer door leaf and the inner door shell is filled with insulating material.
  • Such refrigerators are usually relatively small, stationary containers when they are used, in particular when manually loading them with refrigerated goods, no strong shock loads occur, as they are unavoidable with transport containers.
  • the object of the invention is seen in developing a door for a refrigerated container which is insensitive in the corner region of the inside of the door and which is easy to manufacture.
  • this object is achieved in a door for a refrigerated container of the type mentioned in that the sheet of the inner door surface is folded into the narrow sides, each abutting, edge-forming sheets of the narrow sides of the door are welded to an inner door shell and that the door shell is circumferentially connected to the connecting profile on the narrow sides of the door.
  • the fact that the sheets are folded and welded creates completely tight and shock-resistant corners and edges, which have dimensional stability and at most are pushed in under heavy impact loads, but are not torn open, so that the door remains unaffected in terms of usability in the event of damage. Leakage of foam when foaming in the corner area is reliably avoided.
  • the connection point of the sheet with the The plastic profile on the narrow sides of the door has to be sealed well, since this is a single, all-round, linear sealing point.
  • the invention can be advantageously configured as follows.
  • a good effective seal with a simple possibility of connecting the folded narrow sides of the sheet with the plastic profiles can be achieved in that the plastic profile at the connection point has the shape of a pocket with a protruding edge on the inside (undercut) and the plate at its connection point as an expansion spring is bent inside and that the spreading spring with the edge against the bottom of the projecting edge supports the bag and presses the outer surface of the sheet against the surface of the bag opposite the projection.
  • the connection is made by simply pressing the spring into the pocket. The spring force holds the outer surface tight against the pocket at the beginning of the foaming process. If the pressure increases during foaming, the internal pressure also has a sealing effect and the spring counteracts the sheet from evading due to the stabilizing effect.
  • edges between the narrow sides and the inside of the door are advantageously chamfered to avoid shock loads.
  • the figure shows a section of a frequently used door for a refrigerated container in section.
  • the double-leaf door arranged on the front side for a refrigerated container has an outer stable door leaf made of multilayer glued plywood 1 and an inner door surface designed as sheet metal lining.
  • the outer door leaf 1 and the inner door surface are connected by narrow sides 2 which, as aluminum extrusion profiles 3, grip around the edges of the outer door leaf 1 and hold them together with a connecting profile 4 made of PVC sealing profiles 5.
  • the inside of the door is foamed with foam insulation 6.
  • the sheet of the inner door surface turns into the narrow sides 2 by bending.
  • Each of the narrow sides of the sheet metal that abut one another, together with the inner door surface, are welded to one another (not shown).
  • the resulting inner door shell 7 made of sheet metal is connected to the plastic profile 4 on the narrow sides 2 of the door.
  • the plastic profile 4 has the shape of a pocket 8. This has a projecting edge 9, against which the sheet metal, the edge of which is bent inwards as a spreading spring 10, is supported.
  • the spreading spring presses the sheet metal with its outer surface against the surface 11 of the pocket 8 opposite the projection.
  • the edges of the inner door shell 7 between the narrow sides 2 and the inner door surface are beveled 12.
  • the two door leaves are each fastened to the container 15 by four hinges 13 screwed to the outer door leaf 1 about a pin 14.
  • connection point between the inner door shell 7 and the connection profile 4 lies on the narrow sides 2 of the door, a circumferential connection point is obtained, which is assembly-friendly and leakproof against leakage of foam due to the spring-like design of the sheet metal edge and the pocket 8 in the connection profile 4 is.
  • the welded corners of the inner door shell 7 are tight and insensitive to impact. By grinding, they are smooth on the surface.

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Physics & Mathematics (AREA)
  • Mechanical Engineering (AREA)
  • Thermal Sciences (AREA)
  • General Engineering & Computer Science (AREA)
  • Refrigerator Housings (AREA)
EP87117219A 1986-12-06 1987-11-23 Tür für einen Kühlcontainer Expired - Lifetime EP0273192B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE8632785U 1986-12-06
DE19868632785 DE8632785U1 (de) 1986-12-06 1986-12-06 Tür für einen Kühlcontainer

Publications (2)

Publication Number Publication Date
EP0273192A1 EP0273192A1 (de) 1988-07-06
EP0273192B1 true EP0273192B1 (de) 1991-08-07

Family

ID=6800920

Family Applications (1)

Application Number Title Priority Date Filing Date
EP87117219A Expired - Lifetime EP0273192B1 (de) 1986-12-06 1987-11-23 Tür für einen Kühlcontainer

Country Status (4)

Country Link
EP (1) EP0273192B1 (pl)
DE (2) DE8632785U1 (pl)
PL (1) PL155139B1 (pl)
YU (1) YU45471B (pl)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE468227B (sv) * 1990-03-14 1992-11-23 Electrolux Ab Doerr vikt av plaat
GB2265701B (en) * 1992-03-31 1995-09-20 Somers Specialised Vehicles Li Thermal insulation of vans
DE19907147A1 (de) * 1999-02-19 2000-08-24 Bsh Bosch Siemens Hausgeraete Kältegerätetür
DE102012200813A1 (de) * 2012-01-20 2013-07-25 BSH Bosch und Siemens Hausgeräte GmbH Wärmedämmende Tür für ein Kältegerät

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1379067A (en) * 1921-05-24 Refrigerator-door construction
US1753952A (en) * 1927-06-08 1930-04-08 Kelvinator Corp Refrigerator door
US2665456A (en) * 1950-05-12 1954-01-12 Admiral Corp Refrigerator door
IT1014520B (it) * 1973-11-21 1977-04-30 Ire Spa Perfezionamento ai mobili frigorife ri la cui struttura e preferibilmen te costituita da un materiale isolante schiumoso formato sul posto fra uno strato superficiale interno e uno strato superficiale esterno
JPS5976981U (ja) * 1982-11-15 1984-05-24 株式会社東芝 冷蔵庫の断熱扉
IT8434032V0 (it) * 1984-05-24 1984-05-24 Zanussi Elettrodomestici Porta per mobile frigorifero.

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
Thyssen-Prospekt "Thyssen Isoliercontainer für zentrale Schiffskühlung", Dezember 1980, Fröndenberg-Langschede *

Also Published As

Publication number Publication date
DE8632785U1 (de) 1987-02-12
DE3772016D1 (de) 1991-09-12
PL269181A1 (en) 1988-09-01
YU216687A (en) 1989-12-31
YU45471B (en) 1992-05-28
PL155139B1 (en) 1991-10-31
EP0273192A1 (de) 1988-07-06

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