EP0900745B1 - Glasbehälter zur Konservierung von Nahrungsmitteln - Google Patents

Glasbehälter zur Konservierung von Nahrungsmitteln Download PDF

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Publication number
EP0900745B1
EP0900745B1 EP98402172A EP98402172A EP0900745B1 EP 0900745 B1 EP0900745 B1 EP 0900745B1 EP 98402172 A EP98402172 A EP 98402172A EP 98402172 A EP98402172 A EP 98402172A EP 0900745 B1 EP0900745 B1 EP 0900745B1
Authority
EP
European Patent Office
Prior art keywords
jar
lid
washer
profile
bead
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
EP98402172A
Other languages
English (en)
French (fr)
Other versions
EP0900745A1 (de
Inventor
Jacky Petit
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.)
V M C
Original Assignee
V M C
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 V M C filed Critical V M C
Publication of EP0900745A1 publication Critical patent/EP0900745A1/de
Application granted granted Critical
Publication of EP0900745B1 publication Critical patent/EP0900745B1/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
    • B65D53/00—Sealing or packing elements; Sealings formed by liquid or plastics material
    • B65D53/02—Collars or rings
    • 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
    • B65D51/00—Closures not otherwise provided for
    • B65D51/14—Rigid discs or spherical members adapted to be held in sealing engagement with mouth of container, e.g. closure plates for preserving jars

Definitions

  • the present invention relates to a container made of glass for preserving food products.
  • the vacuum results from cooling from the container at the outlet of the sterilizer into which the cover was kept coupled to the jar by metal clips.
  • the cover is placed on the jar with the seal interposed and piles of containers that are placed under a vacuum bell.
  • the lids being held firmly against the jar or expose the jars to atmospheric pressure which has effect of keeping the lid tightly pressed on the jar.
  • the containers are operated by handling means, especially before their passage under vacuum bell while the lid is simply placed on the jar.
  • the vibrations undergone by these receptacles are likely to decenter the covers and alter the quality of the closing the jar.
  • the invention therefore relates to a glass container for storing food with a jar, a lid and a ring flat seal at rest interposed between an upper edge of the jar and a peripheral annular rim of the cover, the upper edge of the jar having, seen in radial section, a generally convex profile while the lower surface of the cover rim, seen in radial section, has a generally concave profile, the profiles having reliefs to obtain a local deformation of the joint at the right of these reliefs when the lid and the jar are brought together.
  • the profile of the underside of the lid rim is that of a groove in which the seal bends under the effect of the weight of the cover and whose annular edges are turned towards the joint each forms a continuous bead of crushing local seal intended to become embedded in the latter and constitute a means of restraint against its sliding between profiles.
  • Other inlay beads may be formed on a single concave or convex profile or spread over each of them. The number can be greater than two for example three as will be described below.
  • the container comprises a jar 1 which is a hollow body of revolution whose upper edge 2 has a profile shown in the figures and a cover 3 also of revolution having an annular rim 4, the profile is also shown in the figures, placed in look of the upper edge 2 of the jar when it covers this jar.
  • a flat annular seal 5 at rest is interposed between the jar and the lid. This joint and the edge upper part of the jar are shown in phantom in the absence of vacuum inside the jar and in lines full when the jar is tightly closed.
  • the profile of the edge 2 top of the jar 1 is generally convex while that the profile of the lower surface of the rim 4 of the cover is generally concave. So even when the cover simply rests by its own weight on the jar with seal 5 interposed, this seal made of material flexible is slightly constrained in bending which makes it go from a planar shape to a substantially toroidal shape.
  • the surface bottom 6 of the rim 4 of the cover is a flat surface hollowed out of a groove 7 with a flat bottom.
  • the two areas of connection of the sides of the groove 7 to the surface 6 form a relief 8, 9 facing the joint, of small radius curvature (for example of the order of 0.5 mm).
  • the upper surface 10 of the upper edge 2 of jar 1 is generally convex in shape (approximately a toric surface) and is equipped with two reliefs 11 and 12 here forming continuous beads which are turned in direction of the joint 5 and which are in such a position that their projection in the plane of the surface 6 when as shown, the cover covers the jar, is contained in throat 7 with a flat bottom.
  • the reliefs 8, 9 and 11, 12 constrain the joint to penetrate inside the throat 7 under the simple effect the weight of the cover and therefore to bend as shown in dashed lines.
  • a pressure acts on the cover (by the play of the pressure difference between the interior and the outside of the container), the reliefs 8, 9, 11 and 12 become embedded in the joint, which holds it against a lateral movement towards the center of the cover and create two pinch zones where the joint is strongly compressed, which guarantees the sealing of the closure.
  • the variant shown comprises a relief 13 in the center of the flat bottom of the groove 7 of the rim of the cover while the upper surface 10 of the top edge of the jar is devoid of relief. Gasket is also bent under the effect of the simple weight of the cover, as in the previous case. In service, it is compressed between the two surfaces 6, 7 and 10 with three lines of greater compression in relief of the reliefs 8, 9 and 13 of the cover, where the pinching is more important.
  • the relief 13 is in the form of a bead with circular section whose radius will be at most equal to that of reliefs 8 and 9 (for example 0.5 mm).
  • Figure 3 is an illustration of a variant which is a combination of the previous two and on which we find each of the elements already described with the same references.
  • the reliefs 11 and 12 of the upper edge of the jar are placed opposite the flat bottom of the groove 7 to frame the central relief 13 at the bottom of this groove.
  • the areas of strong pinching of the joint are then multiplied and we make a real chicane joint that has improved sealing qualities.
  • the width of the groove separating the two reliefs 8 and 9 is sufficient to tolerate this ovalization, knowing that an ovalization too important constitutes a manufacturing defect which leads directly to the disposal of the part.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Closures For Containers (AREA)
  • Glass Compositions (AREA)
  • Packages (AREA)

Claims (5)

  1. Glasbehälter zum Konservieren eines Nahrungsmittels, umfassend ein Gefäß (1), einen Deckel (3) und einen flachen Auflagedichtring (5), der zwischen einen oberen Rand (2) des Gefäßes und eine umlaufende ringförmige Randleiste (4) des Deckels eingelegt ist, wobei der obere Rand des Gefäßes - in einem radialen Schnitt betrachtet - ein im wesentlichen konvexes Profil hat, während die Unterseite der Randleiste - in einem radialen Schnitt betrachtet - ein im wesentlichen konkaves Profil hat, und wobei die Profile Reliefs haben, um eine lokale Verformung der Dichtung im Bereich dieser Reliefs zu erhalten, wenn sich der Deckel und das Gefäß aneinander nähern, dadurch gekennzeichnet, daß das Profil der Unterseite (6) der Randleiste des Deckels das Profil einer Nut (7) ist, in die sich die Dichtung unter dem Gewicht des Deckels hineinwölbt und deren zur Dichtung (5) hinweisende ringförmige Ränder (8, 9) jeweils einen kontinuierlichen Wulst zum lokalen Zusammendrücken der Dichtung (5) bilden, der in die letztere eindringt und eine Sperre gegen das Gleiten der Dichtung zwischen den Profilen bildet.
  2. Behälter nach Anspruch 1, dadurch gekennzeichnet, daß der Boden der Nut (7) des Deckels einen zentralen Eingriffswulst (13) hat.
  3. Behälter nach Anspruch 1, dadurch gekennzeichnet, daß das konvexe Profil (10) des Randes (2) des Gefäßes mindestens einen Eingriffwulst (11, 12) hat.
  4. Gefäß nach Anspruch 2, dadurch gekennzeichnet, daß das konvexe Profil (10) des Randes (2) des Gefäßes (1) zwei Eingriffswülste (11, 12) hat, die beim Aufliegen des Deckels auf dem Gefäß den beiderseits des genannten zentralen Wulstes (13) gelegenen Abschnitten der Nut (7) gegenüberliegen.
  5. Behälter nach einem der vorangegangenen Ansprüche, dadurch gekennzeichnet, daß der Querschnitt eines Eingriffwulstes (8, 9, 11, 12, 13) im wesentlichen kreisbogenförmig mit einem Radius von ca. 0,3 mm bis 0,5 mm ist.
EP98402172A 1997-09-08 1998-09-02 Glasbehälter zur Konservierung von Nahrungsmitteln Expired - Lifetime EP0900745B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR9711134 1997-09-08
FR9711134A FR2768132B1 (fr) 1997-09-08 1997-09-08 Recipient en verre destine a la conserve de produits alimentaires

Publications (2)

Publication Number Publication Date
EP0900745A1 EP0900745A1 (de) 1999-03-10
EP0900745B1 true EP0900745B1 (de) 2003-08-20

Family

ID=9510853

Family Applications (1)

Application Number Title Priority Date Filing Date
EP98402172A Expired - Lifetime EP0900745B1 (de) 1997-09-08 1998-09-02 Glasbehälter zur Konservierung von Nahrungsmitteln

Country Status (4)

Country Link
EP (1) EP0900745B1 (de)
AT (1) ATE247587T1 (de)
DE (1) DE69817286D1 (de)
FR (1) FR2768132B1 (de)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10039061C5 (de) * 1999-08-26 2009-07-02 Mauser-Werke Gmbh Kunststoffbehälter

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2822810B1 (fr) * 2001-03-28 2003-08-22 Rical Sa Dispositif de bouchage pour une bonbonne, munie de moyens de retenue et d'accorchage d'un joint coule ou moule, et procede de realisation

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE650249C (de) * 1937-09-14 Rudolf Witzel Konservenglas
FR1458473A (fr) * 1965-09-17 1966-03-04 Glaswerk Grossraschen Veb Fermeture pour bocaux, particulièrement de bocaux pour conserves
SE444301B (sv) * 1980-08-19 1986-04-07 Bjoerk Lars Behallare med lock

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10039061C5 (de) * 1999-08-26 2009-07-02 Mauser-Werke Gmbh Kunststoffbehälter

Also Published As

Publication number Publication date
FR2768132B1 (fr) 1999-10-08
EP0900745A1 (de) 1999-03-10
FR2768132A1 (fr) 1999-03-12
ATE247587T1 (de) 2003-09-15
DE69817286D1 (de) 2003-09-25

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