EP0515465B1 - Drum - Google Patents

Drum Download PDF

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Publication number
EP0515465B1
EP0515465B1 EP91904046A EP91904046A EP0515465B1 EP 0515465 B1 EP0515465 B1 EP 0515465B1 EP 91904046 A EP91904046 A EP 91904046A EP 91904046 A EP91904046 A EP 91904046A EP 0515465 B1 EP0515465 B1 EP 0515465B1
Authority
EP
European Patent Office
Prior art keywords
drum
aperture
top wall
face
edge strip
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
EP91904046A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP0515465A1 (en
Inventor
Jean-Pierre Louis Maurice Van Laere
Marius Johannes Antonius Rietveld
Lucien François Le Bret
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.)
Gallay SA
BLAGDEN INDUSTRIES PLC
Greif International Holding BV
Original Assignee
Gallay SA
BLAGDEN INDUSTRIES PLC
Koninklijke Emballage Industrie Van Leer BV
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 Gallay SA, BLAGDEN INDUSTRIES PLC, Koninklijke Emballage Industrie Van Leer BV filed Critical Gallay SA
Publication of EP0515465A1 publication Critical patent/EP0515465A1/en
Application granted granted Critical
Publication of EP0515465B1 publication Critical patent/EP0515465B1/en
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
    • B65D1/00—Containers having bodies formed in one piece, e.g. by casting metallic material, by moulding plastics, by blowing vitreous material, by throwing ceramic material, by moulding pulped fibrous material, by deep-drawing operations performed on sheet material
    • B65D1/12—Cans, casks, barrels, or drums
    • B65D1/20—Cans, casks, barrels, or drums characterised by location or arrangement of filling or discharge apertures
    • 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
    • B65D7/00—Containers having bodies formed by interconnecting or uniting two or more rigid, or substantially rigid, components made wholly or mainly of metal
    • B65D7/02—Containers having bodies formed by interconnecting or uniting two or more rigid, or substantially rigid, components made wholly or mainly of metal characterised by shape
    • B65D7/04—Containers having bodies formed by interconnecting or uniting two or more rigid, or substantially rigid, components made wholly or mainly of metal characterised by shape of curved cross-section, e.g. cans of circular or elliptical cross-section
    • B65D7/045—Casks, barrels, or drums in their entirety, e.g. beer barrels, i.e. presenting most of the following features like rolling beads, double walls, reinforcing and supporting beads for end walls
    • 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
    • B65D7/00—Containers having bodies formed by interconnecting or uniting two or more rigid, or substantially rigid, components made wholly or mainly of metal
    • B65D7/12—Containers having bodies formed by interconnecting or uniting two or more rigid, or substantially rigid, components made wholly or mainly of metal characterised by wall construction or by connections between walls
    • B65D7/40—Containers having bodies formed by interconnecting or uniting two or more rigid, or substantially rigid, components made wholly or mainly of metal characterised by wall construction or by connections between walls with walls formed with filling or emptying apertures

Definitions

  • the invention relates to a drum, comprising a side wall, a bottom and a top wall, which bottom and top wall are connected by a folded joint to the side wall, and in which the top wall is provided with at least one closable aperture with a neck going out from an axially outward-pressed part surrounding the neck, which top wall radially inwards from a circle in the surface of the top wall is axially curved inwards and radially outwards from said circle has an edge strip, all this in such a way that in the inverted position of the drum the contents can run off through the apertures.
  • Such a drum is known from, for example, German Gebrauchsmuster G 87 09594.7.
  • the curvature and the conical surface shaped edge strip intersect each other approximately at the centre lines of the apertures, so that these intersections form a valley which runs round in the peripheral direction and forms the lowest point when the drum is placed upside down.
  • a groove is also pressed into the top wall, which groove itself slopes down from the large aperture to the small, lower-lying aperture, in order to make emptying of the drum easier.
  • This known drum was designed because the chemical industry has now set the condition for drum manufacturers that a drum, such as a 55-gallon drum filled with water, when placed upside down to achieve emptying of the drum, must be emptied in the purely vertical position to such an extent that within five minutes no more than 100 ml is left in the drum. This known drum meets this condition.
  • a drum with an entirely flat top wall which is provided in the known manner with two apertures, also meets this condition, but a drum with such a flat top wall also has the problem of not-being strong enough. Internal excess pressure can lead to permanent deformation. The curvature, as in the case of the above-mentioned known drum, does not have that problem.
  • a disadvantage of the known drum is, however, that the remaining liquid has to drain off through the small aperture, while in general there is a requirement that this must take place through the large aperture. It is possible to place the large aperture lower down than the small one and to make the groove of the small one slope towards the large aperture.
  • the top wall in order to prevent the large closure from projecting beyond the edge of the drum, the top wall must be made of a greater depth. A considerably greater quantity of material is required for this.
  • the object of the invention is then to provide a drum which meets the requirement set, remains simple to manufacture, and is strong enough.
  • the circle surrounding the inward curvature has a diameter which is greater than the largest circle within which the edge of any outward-pressed part surrounding its neck facing the folded joint is situated, but is smaller than the diameter of the inside face of the side wall of the drum, so that the edge strip is formed between said curvature and the drum wall, and in that at at least one of the apertures the top wall has a strip which from the edge strip faces away from the drum wall, and which surrounds the outward-pressed part at least partially, and forms a small angle with a horizontal face lying at right angles to the centre line of the drum, in such a way that in the inverted position of the drum with the aperture downwards this strip forms a run-off face running from the edge strip in a downward slope.
  • the shape of the top wall ensuring complete draining of the contents requires no additional space, so that no adverse effect takes place on the contents of the drum, the edge height remains at the folded joint, and the closure remains below the plane through the folded joint edge.
  • Fig. 1 is a top view of a part of the top wall of a drum.
  • Fig. 2 is a cross-section through the top wall of the drum of Fig. 1, but where the drum is placed on its head.
  • Fig. 3 is an enlarged cross-section through the righthand part of Fig. 2.
  • the figures show a part of a drum with a drum wall 1 and a top wall 2.
  • Fig. 2 shows the drum placed on its head, so that the top wall 2 is facing the ground surface 3 and rests on it with the folded joint 4, by which top wall 2 and drum wall 1 are connected to each other.
  • a closable filling aperture 5 and a closable vent aperture 6 are situated in the top wall. These apertures are formed by bushes 7, 8 which are provided with octagonal flanges, and which with the flanges indicated in Fig. 1 fit into outward-pressed parts 9, 10 of the top wall.
  • the top wall 2 is pressed inwards over virtually its entire surface with a large radius, so that an inward curvature is formed, which in the inverted position shown in Fig. 2 forms a run-off face ending at 10, at a short distance from the inside wall of the drum.
  • a narrow edge strip for example 8 mm wide, is left between the outside edge of the inward-curved part and the inside wall of the drum 1, said strip being essentially flat, i.e. runs horizontally and can have only a small gap 12 determined by the folded joint finish where the top wall connects to the drum wall.
  • the top wall In order to reinforce the top wall, it can have various stepped slopes, such as the slope 13, 14.
  • a run-off strip 15 running from the edge strip 11 and sloping at a slight angle, which is more clearly visible in Fig. 3.
  • This run-off strip 15 runs from the edge strip 11, in the inverted position shown in the drawing, slanting downward at a slight angle, at least to the face 16 in which the flange of the bush 7 is situated.
  • This run-off strip can also be surrounded by a sloping, for example U-shaped edge 17 running from the edge strip.
  • Liquid will then remain behind at most in the gap 12, insofar as present, for it can also be filled up with an internal lacquer coating or the like. In any case, what liquid could remain behind is less than the earlier mentioned conditions.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Ceramic Engineering (AREA)
  • Rigid Containers With Two Or More Constituent Elements (AREA)
  • Devices For Use In Laboratory Experiments (AREA)
  • Thermally Insulated Containers For Foods (AREA)
  • Catching Or Destruction (AREA)
  • Glass Compositions (AREA)
  • Details Of Rigid Or Semi-Rigid Containers (AREA)
  • Containers And Packaging Bodies Having A Special Means To Remove Contents (AREA)
  • Devices For Conveying Motion By Means Of Endless Flexible Members (AREA)
  • Rolls And Other Rotary Bodies (AREA)
  • Valve-Gear Or Valve Arrangements (AREA)
EP91904046A 1990-02-19 1991-02-19 Drum Expired - Lifetime EP0515465B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
NL9000396 1990-02-19
NL9000396A NL9000396A (nl) 1990-02-19 1990-02-19 Vat.

Publications (2)

Publication Number Publication Date
EP0515465A1 EP0515465A1 (en) 1992-12-02
EP0515465B1 true EP0515465B1 (en) 1993-08-25

Family

ID=19856629

Family Applications (1)

Application Number Title Priority Date Filing Date
EP91904046A Expired - Lifetime EP0515465B1 (en) 1990-02-19 1991-02-19 Drum

Country Status (8)

Country Link
EP (1) EP0515465B1 (da)
AT (1) ATE93469T1 (da)
AU (1) AU641476B2 (da)
DE (1) DE69100311T2 (da)
DK (1) DK0515465T3 (da)
ES (1) ES2044725T3 (da)
NL (1) NL9000396A (da)
WO (1) WO1991012182A1 (da)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5402909A (en) * 1993-07-23 1995-04-04 Walbro Corporation Drum for storing and dispensing liquids

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE8705916U1 (de) * 1987-04-23 1987-06-25 Kautex Werke Reinold Hagen AG, 5300 Bonn Faß aus thermoplastischem Kunststoff
DE8709594U1 (de) * 1987-07-11 1987-09-10 Mauser-Werke GmbH, 5040 Brühl Transportbehälter
NL189116C (nl) * 1988-11-17 1993-01-18 Leer Koninklijke Emballage Vat.

Also Published As

Publication number Publication date
AU641476B2 (en) 1993-09-23
ES2044725T3 (es) 1994-01-01
DE69100311T2 (de) 1994-01-20
NL9000396A (nl) 1991-09-16
DK0515465T3 (da) 1994-01-03
EP0515465A1 (en) 1992-12-02
AU7248291A (en) 1991-09-03
DE69100311D1 (de) 1993-09-30
WO1991012182A1 (en) 1991-08-22
ATE93469T1 (de) 1993-09-15

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