EP0614434B1 - Drum with drum closure - Google Patents

Drum with drum closure Download PDF

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Publication number
EP0614434B1
EP0614434B1 EP93901507A EP93901507A EP0614434B1 EP 0614434 B1 EP0614434 B1 EP 0614434B1 EP 93901507 A EP93901507 A EP 93901507A EP 93901507 A EP93901507 A EP 93901507A EP 0614434 B1 EP0614434 B1 EP 0614434B1
Authority
EP
European Patent Office
Prior art keywords
drum
insert
collar
sealing ring
flange
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.)
Revoked
Application number
EP93901507A
Other languages
German (de)
French (fr)
Other versions
EP0614434A1 (en
Inventor
Herman Paul Kars
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.)
Greif International Holding BV
Original Assignee
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=19860000&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=EP0614434(B1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Koninklijke Emballage Industrie Van Leer BV filed Critical Koninklijke Emballage Industrie Van Leer BV
Publication of EP0614434A1 publication Critical patent/EP0614434A1/en
Application granted granted Critical
Publication of EP0614434B1 publication Critical patent/EP0614434B1/en
Anticipated expiration legal-status Critical
Revoked 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
    • B65D39/00—Closures arranged within necks or pouring openings or in discharge apertures, e.g. stoppers
    • B65D39/08—Threaded or like closure members secured by rotation; Bushes therefor
    • B65D39/082—Bung-rings and bungs for bung-holes
    • B65D39/084—Separated bung-rings made by one element

Definitions

  • the invention relates to a drum with a drum closure provided in a drum wall, comprising an insert and a closure cap which can be placed in the insert, which insert is situated in a collar on the drum wall pointing towards the outside of the drum, and has a first flange which rests against the inside of the drum wall, and a second flange which is flanged radially outwards over the collar, a sealing ring which is wedged between the first flange and the inside of the drum wall to form a first seal, and an additional seal formed either by a sealing ring integral with the first sealing ring or by a separate sealing ring, which additional seal is provided between the collar and the insert lying opposite the collar.
  • Such a drum having a drum closure with a second, additional sealing ring formed integrally with the first sealing ring is known from US-A-3946894.
  • a drum having a drum closure with a second sealing ring which is separate from the first sealing ring is known from GB-A-943148.
  • the sealing action of the sealing rings is maintained as long as they are held firmly clamped between the insert and the collar. However, this clamping action can get lost if the drum falls, topside down, on a hard surface.
  • the insert and collar, which project with respect to the drum wall, are pressed inwards, which results in an increased spacing between the first flange and the drum wall. Thereby, the sealing action of the sealing rings is impaired.
  • the objective of the invention is to provide a drum with a drum closure which offers a better sealing even in case the insert and collar are pressed inwardly.
  • This objective is achieved in that in the area delimited by the outer peripheral edge of the first flange on the one hand, and of the top edge of the collar on the other hand, the insert and the container are in contact only with the sealing rings, in such a way that the sealing action is maintained even if the insert is pressed inward relative to the collar.
  • Figures 1, 2 and 3 show a first embodiment of the drum with drum closure.
  • Figures 4, 5 and 6 show a second embodiment.
  • the drum wall is indicated by 1.
  • An outward pointing collar 2 is formed in this drum wall and connects by means of the recessed wall part 3 to the remainder of drum wall 1.
  • Insert 4 also has a first flange 6 which lies opposite the recessed wall part 3.
  • a sealing ring 7 is provided between said wall part 3 and flange 6.
  • the insert also has an internal screw thread, into which another closing cap, not shown, can be screwed.
  • flange 6 and wall part 3 are pressed towards each other, in the course of which sealing ring 7 is compressed. In that state the flange 5 is flanged over collar 2, with the result that the sealing ring can be held under pre-tension.
  • an additional sealing ring 9 is fitted directly beside the sealing ring 7.
  • the collar 2 is widened a little at the underside.
  • FIG. 4 - 6 has a sealing ring 12 which is in one piece, and which essentially comprises the parts 13 and 14 which correspond to sealing rings 7 and 9 according to Figures 1 - 3.
  • the collar 11 is widened a little at the underside.

Abstract

A drum with a drum closure provided in a drum wall (1) comprises an insert (4) and a shut-off cap which can be placed in the insert (4), which insert (4) is situated in a collar (11) on the drum wall (1) pointing towards the outside of the drum, and has a first flange (6) which rests against the inside (3) of the drum wall, and a second flange (5) which is flanged radially outwards over the collar (11), and also a sealing ring (7) which is wedged between the first flange (6) and the inside of the drum wall (3). An additional seal (10), which may or may not be connected to the sealing ring, is provided between the collar (11) and the insert (4) lying opposite, in order to improve the sealing.

Description

  • The invention relates to a drum with a drum closure provided in a drum wall, comprising an insert and a closure cap which can be placed in the insert, which insert is situated in a collar on the drum wall pointing towards the outside of the drum, and has a first flange which rests against the inside of the drum wall, and a second flange which is flanged radially outwards over the collar, a sealing ring which is wedged between the first flange and the inside of the drum wall to form a first seal, and an additional seal formed either by a sealing ring integral with the first sealing ring or by a separate sealing ring, which additional seal is provided between the collar and the insert lying opposite the collar.
  • Such a drum having a drum closure with a second, additional sealing ring formed integrally with the first sealing ring is known from US-A-3946894. A drum having a drum closure with a second sealing ring which is separate from the first sealing ring is known from GB-A-943148.
  • The sealing action of the sealing rings is maintained as long as they are held firmly clamped between the insert and the collar. However, this clamping action can get lost if the drum falls, topside down, on a hard surface. The insert and collar, which project with respect to the drum wall, are pressed inwards, which results in an increased spacing between the first flange and the drum wall. Thereby, the sealing action of the sealing rings is impaired.
  • The objective of the invention is to provide a drum with a drum closure which offers a better sealing even in case the insert and collar are pressed inwardly. This objective is achieved in that in the area delimited by the outer peripheral edge of the first flange on the one hand, and of the top edge of the collar on the other hand, the insert and the container are in contact only with the sealing rings, in such a way that the sealing action is maintained even if the insert is pressed inward relative to the collar.
  • Two embodiments of the invention will be explained in greater detail with reference to the figures.
  • Figures 1, 2 and 3 show a first embodiment of the drum with drum closure.
  • Figures 4, 5 and 6 show a second embodiment.
  • In the embodiment shown in Figures 1, 2 and 3 the drum wall is indicated by 1. An outward pointing collar 2 is formed in this drum wall and connects by means of the recessed wall part 3 to the remainder of drum wall 1. In the situation shown in Figure 1 the insert, indicated in its entirety by 4, is inserted into collar 2, while its second flange 5 projects outwards relative to collar 2. Insert 4 also has a first flange 6 which lies opposite the recessed wall part 3. A sealing ring 7 is provided between said wall part 3 and flange 6. The insert also has an internal screw thread, into which another closing cap, not shown, can be screwed.
  • For fixing the insert 4 to drum wall 1, flange 6 and wall part 3 are pressed towards each other, in the course of which sealing ring 7 is compressed. In that state the flange 5 is flanged over collar 2, with the result that the sealing ring can be held under pre-tension.
  • According to the invention, an additional sealing ring 9 is fitted directly beside the sealing ring 7. In order to ensure that the additional sealing ring 9 goes into the correct position between the insert 4 and the collar 2 when the insert 4 is connected to the drum wall 1, the collar 2 is widened a little at the underside.
  • During the compression of insert 4 and drum wall 1 the additional sealing ring 9 can consequently go into the position shown in Figure 2. In this case it is radially compressed, and is consequently largely unaffected by the sliding inwards of the insert 4 as the result of a fall: see Figure 3.
  • In the completed state shown in Figure 2, it can be seen that there is a double seal between the insert 4 and drum wall 1, namely at the position of sealing ring 7 and at the position of the additional sealing ring 9.
  • However, when there are great deformations, for example those which occur as the result of the drum falling with the closure facing down, the situation shown in Figure 3 occurs. The insert 4 is pressed greatly inwards, with the result that the flange 6 has come to lie at a greater distance from wall part 3. A great part of the pre-tension in sealing ring 7 is consequently lost, which could give rise to leakages.
  • As also shown in Figure 3, the pre-tension of the additional sealing ring 5 has not, however, decreased, so that the correct seal has been retained at that point.
  • The variant shown in Figures 4 - 6 has a sealing ring 12 which is in one piece, and which essentially comprises the parts 13 and 14 which correspond to sealing rings 7 and 9 according to Figures 1 - 3. In this case also the collar 11 is widened a little at the underside. When insert 4 and end wall 1 are fixed, part 14 of sealing ring is now compressed radially, and is therefore unaffected by shifts. When deformations occur the part 13 can expand, but this is not at the expense of the overall seal.

Claims (1)

  1. Drum with a drum closure provided in a drum wall, comprising an insert (4) and a closure cap which can be placed in the insert (4), which insert (4) is situated in a collar (2, 11) on the drum wall (3) pointing towards the outside of the drum (1), and has a first flange (6) which rests against the inside of the drum wall (3), and a second flange (5) which is flanged radially outwards over the collar (2, 11), a sealing ring (7, 12) which is wedged between the first flange (6) and the inside of the drum wall (3) to form a first seal, and an additional seal (9, 14) formed either by a sealing ring (14) integral with the first sealing ring (13) or by a separate sealing ring (9), which additional seal (9, 14) is provided between the collar (2, 11) and the insert (4) lying opposite the collar, characterized in that in the area delimited by the outer peripheral edge of the first flange (6) on the one hand, and of the top edge of the collar (2, 11) on the other hand, the insert (4) and the container (1) are in contact only with the sealing rings (7, 9, 12), in such a way that the sealing action is maintained even if the insert (4) is pressed inward relative to the collar (2, 11).
EP93901507A 1991-12-05 1992-12-04 Drum with drum closure Revoked EP0614434B1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
NL9102034A NL9102034A (en) 1991-12-05 1991-12-05 BARREL WITH BARREL CLOSURE.
NL9102034 1991-12-05
PCT/NL1992/000220 WO1993010986A1 (en) 1991-12-05 1992-12-04 Drum with drum closure

Publications (2)

Publication Number Publication Date
EP0614434A1 EP0614434A1 (en) 1994-09-14
EP0614434B1 true EP0614434B1 (en) 1995-11-02

Family

ID=19860000

Family Applications (1)

Application Number Title Priority Date Filing Date
EP93901507A Revoked EP0614434B1 (en) 1991-12-05 1992-12-04 Drum with drum closure

Country Status (26)

Country Link
EP (1) EP0614434B1 (en)
JP (1) JP3232094B2 (en)
KR (1) KR100259224B1 (en)
AT (1) ATE129683T1 (en)
AU (1) AU662197B2 (en)
BG (1) BG61226B1 (en)
BR (1) BR9206863A (en)
CA (1) CA2123217A1 (en)
CZ (1) CZ282399B6 (en)
DE (1) DE69205840T2 (en)
DK (1) DK0614434T3 (en)
ES (1) ES2079958T3 (en)
FI (1) FI942630A (en)
GR (1) GR3017968T3 (en)
HU (1) HU218516B (en)
MY (1) MY110320A (en)
NL (1) NL9102034A (en)
NO (1) NO309319B1 (en)
NZ (1) NZ246393A (en)
OA (1) OA09941A (en)
RO (1) RO117365B1 (en)
RU (1) RU2089479C1 (en)
SK (1) SK281348B6 (en)
TR (1) TR27585A (en)
WO (1) WO1993010986A1 (en)
ZA (1) ZA929388B (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2000046115A1 (en) * 1999-02-02 2000-08-10 Royal Packaging Industries Van Leer Nv Improved container closures
EP2772449A1 (en) 2013-02-28 2014-09-03 Technocraft Industries (India) Ltd. Insert for a drum closure

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102004037859B4 (en) * 2004-08-04 2007-05-16 Siemens Ag Medical device with collision avoidance device

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB489896A (en) * 1937-08-20 1938-08-05 Karl Wilhelm Mauser Improvements in and relating to bung bushes
GB943148A (en) * 1961-05-10 1963-11-27 Leer Ind Ltd Van Improvements in or relating to bung-hole constructions and method of making the same
US3894331A (en) * 1971-03-23 1975-07-15 Leer Koninklijke Emballage Method of mounting a bushing to a container closure
US3946894A (en) * 1974-11-11 1976-03-30 American Flange & Manufacturing Co. Inc. Drum closure
US4706836A (en) * 1987-01-23 1987-11-17 Allen-Stevens Drum Accessories Corp. Leak-resistant drum seals

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2000046115A1 (en) * 1999-02-02 2000-08-10 Royal Packaging Industries Van Leer Nv Improved container closures
EP2772449A1 (en) 2013-02-28 2014-09-03 Technocraft Industries (India) Ltd. Insert for a drum closure

Also Published As

Publication number Publication date
ATE129683T1 (en) 1995-11-15
NZ246393A (en) 1995-08-28
TR27585A (en) 1995-06-13
FI942630A0 (en) 1994-06-03
RO117365B1 (en) 2002-02-28
CZ282399B6 (en) 1997-07-16
CA2123217A1 (en) 1993-06-10
AU662197B2 (en) 1995-08-24
OA09941A (en) 1994-11-15
FI942630A (en) 1994-06-03
GR3017968T3 (en) 1996-02-29
DE69205840D1 (en) 1995-12-07
JP3232094B2 (en) 2001-11-26
EP0614434A1 (en) 1994-09-14
ES2079958T3 (en) 1996-01-16
DE69205840T2 (en) 1996-04-04
SK281348B6 (en) 2001-02-12
NL9102034A (en) 1993-07-01
CZ137194A3 (en) 1994-12-15
ZA929388B (en) 1993-08-17
JPH07501510A (en) 1995-02-16
KR100259224B1 (en) 2000-06-15
SK68094A3 (en) 1995-03-08
WO1993010986A1 (en) 1993-06-10
NO941872D0 (en) 1994-05-19
BG61226B1 (en) 1997-03-31
HUT69093A (en) 1995-08-28
MY110320A (en) 1998-04-30
NO941872L (en) 1994-05-19
BG98833A (en) 1995-06-30
HU218516B (en) 2000-09-28
NO309319B1 (en) 2001-01-15
RU2089479C1 (en) 1997-09-10
AU3268193A (en) 1993-06-28
BR9206863A (en) 1995-11-21
DK0614434T3 (en) 1995-12-04

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