EP0341729A2 - Plaque de fond à double paroi pour grands conteneurs - Google Patents

Plaque de fond à double paroi pour grands conteneurs Download PDF

Info

Publication number
EP0341729A2
EP0341729A2 EP89108530A EP89108530A EP0341729A2 EP 0341729 A2 EP0341729 A2 EP 0341729A2 EP 89108530 A EP89108530 A EP 89108530A EP 89108530 A EP89108530 A EP 89108530A EP 0341729 A2 EP0341729 A2 EP 0341729A2
Authority
EP
European Patent Office
Prior art keywords
base plate
plate according
cover plate
ribs
webs
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
EP89108530A
Other languages
German (de)
English (en)
Other versions
EP0341729A3 (en
EP0341729B1 (fr
Inventor
Willi Dipl.-Ing. Dörpmund
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.)
Graaff GmbH
Original Assignee
Graaff GmbH
Graaff KG
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 Graaff GmbH, Graaff KG filed Critical Graaff GmbH
Publication of EP0341729A2 publication Critical patent/EP0341729A2/fr
Publication of EP0341729A3 publication Critical patent/EP0341729A3/de
Application granted granted Critical
Publication of EP0341729B1 publication Critical patent/EP0341729B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D90/00—Component parts, details or accessories for large containers
    • B65D90/02—Wall construction
    • B65D90/023—Modular panels

Definitions

  • the invention relates to a double-walled base plate according to the preamble of claim 1.
  • the bottom of large containers is often provided with ribs which are arranged parallel to one another in the longitudinal direction of the container if, as is customary, the container has the shape of a horizontal cuboid. This is particularly useful for reasons of stability and for reasons of easier handling of the cargo. In the case of large, ventilated containers, the ribs are also useful for reasons of air circulation. On the other hand, the ribbed floor impairs its ability to be walked on and driven over, in particular if the rib spacing is relatively large, which can be desirable for various reasons.
  • the base plates of large containers have often been built as so-called sandwich plates, on the top of which the ribs are attached.
  • the sandwich panels consist of a flat upper and a similar lower cover plate, the space between the cover plates being foamed with rigid foam.
  • the rigid foam generally by foaming the still liquid foam components, this goes a firm connection with the cover plates.
  • the foam intermediate layer has good insulation due to the large number of closed cavities and a good stabilizing effect due to the large number of cavity walls and the good bond to the cover plates.
  • the ribs have the cross section of a "T", the web of which is welded to the upper cover plate of the sandwich plate on both sides and the flange of which is part of the top surface that can be walked on and driven over.
  • the ribs increase the rigidity of the plate and also have sufficient strength in the undeformed state.
  • the transverse rigidity of the ribs is not sufficient for the rough loading and unloading operation. If a forklift turns on the spot, which is often necessary due to the limited space, it very easily bends the ribs in the transverse direction.
  • a rib is bent in the transverse direction, it is no longer vertically stiff enough and once a few ribs on a container floor are bent, the entire floor quickly becomes unusable and requires repair. In addition, the floor is difficult to clean.
  • the design described has long been and still is the most widely used design.
  • the object of the invention is to design the base plate of a large container so that the plate has optimal strength, that it can be walked on and driven over without difficulty, that foaming is possible without problems and that the service life is very long.
  • the sandwich plate according to the invention consists of the lower cover plate 1 made of a metal and the upper cover plate 2 designed according to the invention.
  • the space between the two cover plates 1, 2 is foamed in a known manner with a rigid foam 3.
  • the foaming takes place in a support mold and when foaming, the solidifying foam forms a firm connection with the smooth inner sides of the cover plates 1, 2.
  • the upper cover plate 2 in turn consists of an inner cover plate 4 and an outer cover plate 5.
  • the top of the outer cover plate forms the bottom of a large container when the plate is installed.
  • the cover plates 4, 5 and the webs 6 form a one-piece aluminum profile of certain dimensions, which was produced in the drawing or extrusion process.
  • Corresponding strip pairs 7, 8 are arranged on the inner sides of the cover plates 4, 5, which run parallel to the webs 6 and delimit channels, into which further webs 9 can be inserted in the longitudinal direction of the channel for local reinforcement of the plate.
  • the webs 6a, 6b on the plate end sides are provided with strips 10, 11 with which abutting plates engage in a tongue and groove manner in order to connect the prefabricated plates 4, 5 together to form the upper cover plate 4 before foaming.
  • a weld seam 12 must be provided on the outside of the plate and a weld seam 13 can be provided on the inside of the plate, this inner weld seam 13 also being necessary if the internal tongue and groove connection with the strip 10 is not present.
  • a plurality of groups of notched ribs 14 running parallel to one another are provided on the outside of the cover plate 4.
  • a steel beam 15 is placed on its underside (weld seams 16).

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Rigid Containers With Two Or More Constituent Elements (AREA)
  • Pallets (AREA)
  • Body Structure For Vehicles (AREA)
EP89108530A 1988-05-11 1989-05-11 Plaque de fond à double paroi pour grands conteneurs Expired - Lifetime EP0341729B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE3816243 1988-05-11
DE3816243A DE3816243A1 (de) 1988-05-11 1988-05-11 Doppelwandige bodenplatte fuer grosscontainer

Publications (3)

Publication Number Publication Date
EP0341729A2 true EP0341729A2 (fr) 1989-11-15
EP0341729A3 EP0341729A3 (en) 1990-11-28
EP0341729B1 EP0341729B1 (fr) 1993-08-11

Family

ID=6354247

Family Applications (1)

Application Number Title Priority Date Filing Date
EP89108530A Expired - Lifetime EP0341729B1 (fr) 1988-05-11 1989-05-11 Plaque de fond à double paroi pour grands conteneurs

Country Status (2)

Country Link
EP (1) EP0341729B1 (fr)
DE (2) DE3816243A1 (fr)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1992012074A2 (fr) * 1991-01-04 1992-07-23 Case Designers Corporation Elements porteurs pouvant etre reciproquement verrouilles et conteneurs pliables a double paroi construits a partir de ces elements
WO1997010396A1 (fr) * 1995-09-11 1997-03-20 Dow Europe S.A. Planches thermoplastiques destinees a un plancher
GB2463229A (en) * 2007-09-05 2010-03-10 Terence Hoyland Machine for inserting reinforcing profiles into hollow sections of a manufactured plank
CN104803127A (zh) * 2014-03-21 2015-07-29 中集集团集装箱控股有限公司 保温箱体

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4214058A1 (de) * 1992-04-29 1993-11-04 Hausach Umformtechnik Sicherheitscontainer
DE4327504A1 (de) * 1992-10-01 1994-04-07 Spoetzl Markus Dipl Ing Fh Thermisch isolierter, aus Einzelelementen zusammengesetzter Flüssigkeitsbehälter
DE102014111595B4 (de) 2014-08-13 2021-09-09 Dr. Ing. H.C. F. Porsche Aktiengesellschaft Aufbaustruktur für einen Boden einer Kraftfahrzeugkarosserie

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1172102A (en) * 1967-05-26 1969-11-26 A I R Air Conditioning And Ref Thermally Insulated Container
FR2129215A5 (fr) * 1971-03-12 1972-10-27 Pichon Claude
US3984961A (en) * 1975-08-04 1976-10-12 Fruehauf Corporation Composite extruded floor
EP0019598A1 (fr) * 1979-05-17 1980-11-26 SELENIA INDUSTRIE ELETTRONICHE ASSOCIATE S.p.A. Panneaux extrudés de grande résistance et containers fabriqués à partir de ces panneaux

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2119861A1 (en) * 1971-04-23 1972-11-09 Langfeldt, Werner, 7453 Burladingen Tank cladding - with knitted glass fabric impregnated with polyester resin giving tubular ribs
DE2346806C3 (de) * 1973-09-18 1980-09-25 Herbert 7121 Ingersheim Rieger Für den Weinbau geeigneter doppelwandiger Tank
FR2418850A1 (fr) * 1978-03-01 1979-09-28 Campenon Bernard Cetra Conteneur a haut degre de securite
US4700862A (en) * 1986-08-08 1987-10-20 Carter Associates Collapsible sidewall structure for stackable bin

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1172102A (en) * 1967-05-26 1969-11-26 A I R Air Conditioning And Ref Thermally Insulated Container
FR2129215A5 (fr) * 1971-03-12 1972-10-27 Pichon Claude
US3984961A (en) * 1975-08-04 1976-10-12 Fruehauf Corporation Composite extruded floor
EP0019598A1 (fr) * 1979-05-17 1980-11-26 SELENIA INDUSTRIE ELETTRONICHE ASSOCIATE S.p.A. Panneaux extrudés de grande résistance et containers fabriqués à partir de ces panneaux

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1992012074A2 (fr) * 1991-01-04 1992-07-23 Case Designers Corporation Elements porteurs pouvant etre reciproquement verrouilles et conteneurs pliables a double paroi construits a partir de ces elements
WO1992012074A3 (fr) * 1991-01-04 1992-10-01 Case Designers Corp Elements porteurs pouvant etre reciproquement verrouilles et conteneurs pliables a double paroi construits a partir de ces elements
WO1997010396A1 (fr) * 1995-09-11 1997-03-20 Dow Europe S.A. Planches thermoplastiques destinees a un plancher
GB2463229A (en) * 2007-09-05 2010-03-10 Terence Hoyland Machine for inserting reinforcing profiles into hollow sections of a manufactured plank
GB2463229B (en) * 2007-09-05 2011-07-06 Terence Hoyland An automated machine for inserting strengthening profiles within hollow sections
CN104803127A (zh) * 2014-03-21 2015-07-29 中集集团集装箱控股有限公司 保温箱体

Also Published As

Publication number Publication date
EP0341729A3 (en) 1990-11-28
DE58905216D1 (en) 1993-09-16
EP0341729B1 (fr) 1993-08-11
DE3816243A1 (de) 1989-11-23

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