EP0794133A1 - Tankbehälter.insbesondere für Sattelauflieger,Anhänger oder Lastkraftwagen für den Transport von Nahrungsmittel-oder industrielle Flüssigkeiten,oder auch Schüttgüter - Google Patents

Tankbehälter.insbesondere für Sattelauflieger,Anhänger oder Lastkraftwagen für den Transport von Nahrungsmittel-oder industrielle Flüssigkeiten,oder auch Schüttgüter Download PDF

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Publication number
EP0794133A1
EP0794133A1 EP97400499A EP97400499A EP0794133A1 EP 0794133 A1 EP0794133 A1 EP 0794133A1 EP 97400499 A EP97400499 A EP 97400499A EP 97400499 A EP97400499 A EP 97400499A EP 0794133 A1 EP0794133 A1 EP 0794133A1
Authority
EP
European Patent Office
Prior art keywords
sheets
tank
sheet
moldings
pasty
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
EP97400499A
Other languages
English (en)
French (fr)
Other versions
EP0794133B1 (de
Inventor
Georges c/o Magyar Magyar (S.A.)
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.)
Magyar SA
Original Assignee
Magyar SA
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 Magyar SA filed Critical Magyar SA
Publication of EP0794133A1 publication Critical patent/EP0794133A1/de
Application granted granted Critical
Publication of EP0794133B1 publication Critical patent/EP0794133B1/de
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
    • B65D90/08—Interconnections of wall parts; Sealing means therefor

Definitions

  • the present invention relates to a tank, in particular for semi-trailers, trailers, or trucks, for the transport of food, chemical or industrial liquids, or even pulverulent materials.
  • Insulated tanks generally have an inner envelope made of sheets welded together and closed at each of the front ends by a circular, elliptical or other bottom.
  • a second outer envelope often called a jacket, also produced by assembling sheets closed at the front ends by circular bottoms, covers an intermediate space filled at least partially with an insulation material.
  • the purpose of the outer jacket is to protect the insulation material of the inner envelope, mechanically and also by preventing the entry of moisture. Furthermore, this outer jacket has an aesthetic and aerodynamic function.
  • This outer jacket is subject to various mechanical stresses. During movement, it undergoes aerodynamic effects and humidity and dust tend to infiltrate between the two jackets through gaps due to the poor connection of two consecutive sheets. Then, this jacket also undergoes the effects of shocks due to dead branches for example. Furthermore, in particular in tank washing operations in an automatic machine, the outer jacket may be subjected to shocks which may lead to deformations.
  • the object of the present invention is to avoid these drawbacks by proposing an improved method for connecting the sheets.
  • the invention relates more particularly to a tank having an outer jacket formed by at least two thin sheets having along at least one edge, a double molding.
  • the double molding provided along one of the edges of a sheet covers the flat edge of the other sheet and thus delimits two grooves inside which an expansive joint is incorporated.
  • the two sheets are riveted along a junction line.
  • the double molding filled with an expansive joint firstly constitutes an effective barrier against the penetration of moisture or dust.
  • this double molding tends to reinforce the mechanical resistance of the outer jacket.
  • the manufacturing of a tank jacket is carried out by assembly by covering the sheets having at least two moldings along the rear edge. According to an alternative embodiment, weld beads are produced along the joining lines of the two sheets.
  • Figure 1 shows a sectional view of a tank according to the invention. It consists of an inner jacket (1) and an outer jacket (2) between which is disposed a thermal insulation material (3).
  • the inner jacket (1) is closed at the two front ends by bottoms (4, 5).
  • the outer jacket (2) is closed at the front ends by two bottoms (6, 7).
  • the outer jacket consists of a plurality of steel sheets (8 to 11) forming partially overlapping cylindrical sections. These cylindrical sections are tight against the insulation and joined together by rivets provided in the lower part, under the tank.
  • the sheets (8 to 11) are arranged in fish scales and have an overlap of 70 to 100 mm.
  • the direction of travel of the vehicle is indicated by the arrow F.
  • the sheets (8 to 11) are arranged so that the rear edge (12) of a sheet covers the front edge (13) of the sheet (9 ) arranged behind the previous one. This reduces the risk of moisture or dust penetration at the addition of two sheets.
  • FIG. 2 represents a detailed view of the connection zone of two consecutive sheets.
  • the rear edge (15) of the most advanced sheet (16) has two ribs (17, 18) of trapezoidal section.
  • the rib (17) extends from the edge (19) of the sheet (16) to the edge of a flat intermediate zone (20).
  • This intermediate flat zone (20) extends over a length of approximately 5 mm.
  • the second rib (18) extends over a distance of about 12 mm, like the first rib (17).
  • the height of this rib is approximately 5 mm.
  • the particular shape of these two consecutive ribs extending in total over an area with a width of approximately 100 mm, can be adapted for aesthetic reasons. In particular, these ribs can have a semi-circular, square, triangular shape, etc. The particular shape of these two ribs (17, 18) leaves room for great possibilities of aesthetic adaptation.
  • the front edge (22) of the second sheet (21) is arranged below the rear edge (15) of the first sheet (16).
  • the overlap of the sheets (22 and 21) extends over a distance of the order of 100 millimeters.
  • the two sheets are joined by rivets.
  • the defined overlap zone due to the presence of the two ribs (17, 18), two hollow spaces, of annular shape when the sheets form a cylindrical envelope, inside which are expanded joints (25, 26).
  • This joint can advantageously be made of a material resistant to the aggressions of ozone, bad weather and hydrocarbons.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Packages (AREA)
  • Filling Or Discharging Of Gas Storage Vessels (AREA)
  • Seal Device For Vehicle (AREA)
EP19970400499 1996-03-05 1997-03-04 Sattelauflieger, Anhänger oder Lastkraftwagen mit einem Tankbehälter für den Transport von Nahrungsmittel-oder industrielle Flüssigkeiten,oder auch Schüttgüter Expired - Lifetime EP0794133B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR9602764 1996-03-05
FR9602764A FR2745801B1 (fr) 1996-03-05 1996-03-05 Citerne, notamment pour semi-remorques, remorques, ou camions, pour le transport de liquides alimentaires ou industriels, ou encore des materiaux pulverulents

Publications (2)

Publication Number Publication Date
EP0794133A1 true EP0794133A1 (de) 1997-09-10
EP0794133B1 EP0794133B1 (de) 2009-09-09

Family

ID=9489878

Family Applications (1)

Application Number Title Priority Date Filing Date
EP19970400499 Expired - Lifetime EP0794133B1 (de) 1996-03-05 1997-03-04 Sattelauflieger, Anhänger oder Lastkraftwagen mit einem Tankbehälter für den Transport von Nahrungsmittel-oder industrielle Flüssigkeiten,oder auch Schüttgüter

Country Status (4)

Country Link
EP (1) EP0794133B1 (de)
DE (1) DE69739570D1 (de)
ES (1) ES2333281T3 (de)
FR (1) FR2745801B1 (de)

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2333721A1 (fr) * 1975-12-01 1977-07-01 Chatelain Michel Cuves modulaires isolees
DE2705505A1 (de) * 1977-02-10 1978-08-17 Vki Rheinhold & Mahla Ag Schaumstoffaussenisolierung fuer grossbehaelter

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2333721A1 (fr) * 1975-12-01 1977-07-01 Chatelain Michel Cuves modulaires isolees
DE2705505A1 (de) * 1977-02-10 1978-08-17 Vki Rheinhold & Mahla Ag Schaumstoffaussenisolierung fuer grossbehaelter

Also Published As

Publication number Publication date
FR2745801B1 (fr) 1998-04-30
FR2745801A1 (fr) 1997-09-12
DE69739570D1 (de) 2009-10-22
EP0794133B1 (de) 2009-09-09
ES2333281T3 (es) 2010-02-18

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