WO1997041043A1 - Bague de couvercle a revetement d'etancheite pour couvercle a inserer par pression - Google Patents

Bague de couvercle a revetement d'etancheite pour couvercle a inserer par pression Download PDF

Info

Publication number
WO1997041043A1
WO1997041043A1 PCT/DE1997/000844 DE9700844W WO9741043A1 WO 1997041043 A1 WO1997041043 A1 WO 1997041043A1 DE 9700844 W DE9700844 W DE 9700844W WO 9741043 A1 WO9741043 A1 WO 9741043A1
Authority
WO
WIPO (PCT)
Prior art keywords
cover
cover ring
protection layer
ring
fit
Prior art date
Application number
PCT/DE1997/000844
Other languages
German (de)
English (en)
Inventor
Norbert Bellingroehr
Original Assignee
Schmalbach-Lubeca Ag
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 Schmalbach-Lubeca Ag filed Critical Schmalbach-Lubeca Ag
Priority to DE59712379T priority Critical patent/DE59712379D1/de
Priority to EP97922869A priority patent/EP0835212B1/fr
Priority to AT97922869T priority patent/ATE300480T1/de
Priority to DK97922869T priority patent/DK0835212T3/da
Publication of WO1997041043A1 publication Critical patent/WO1997041043A1/fr

Links

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
    • B65D43/00—Lids or covers for rigid or semi-rigid containers
    • B65D43/02—Removable lids or covers
    • B65D43/0202—Removable lids or covers without integral tamper element
    • B65D43/0214—Removable lids or covers without integral tamper element secured only by friction or gravity
    • B65D43/022—Removable lids or covers without integral tamper element secured only by friction or gravity only on the inside, or a part turned to the inside, of the mouth of the container
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D51/00—Making hollow objects
    • B21D51/16—Making hollow objects characterised by the use of the objects
    • B21D51/26—Making hollow objects characterised by the use of the objects cans or tins; Closing same in a permanent manner
    • B21D51/30—Folding the circumferential seam
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D51/00—Making hollow objects
    • B21D51/16—Making hollow objects characterised by the use of the objects
    • B21D51/38—Making inlet or outlet arrangements of cans, tins, baths, bottles, or other vessels; Making can ends; Making closures
    • B21D51/44—Making closures, e.g. caps
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D51/00—Making hollow objects
    • B21D51/16—Making hollow objects characterised by the use of the objects
    • B21D51/38—Making inlet or outlet arrangements of cans, tins, baths, bottles, or other vessels; Making can ends; Making closures
    • B21D51/44—Making closures, e.g. caps
    • B21D51/46—Placing sealings or sealing material
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65B—MACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING
    • B65B7/00—Closing containers or receptacles after filling
    • B65B7/01—Machines characterised by incorporation of means for making the closures before applying
    • 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
    • B65D2543/00—Lids or covers essentially for box-like containers
    • B65D2543/00009—Details of lids or covers for rigid or semi-rigid containers
    • B65D2543/00018—Overall construction of the lid
    • B65D2543/00064—Shape of the outer periphery
    • B65D2543/00074—Shape of the outer periphery curved
    • B65D2543/00092—Shape of the outer periphery curved circular
    • 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
    • B65D2543/00—Lids or covers essentially for box-like containers
    • B65D2543/00009—Details of lids or covers for rigid or semi-rigid containers
    • B65D2543/00018—Overall construction of the lid
    • B65D2543/00259—Materials used
    • B65D2543/00277—Metal
    • 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
    • B65D2543/00—Lids or covers essentially for box-like containers
    • B65D2543/00009—Details of lids or covers for rigid or semi-rigid containers
    • B65D2543/00435—Lids secured to an intermediate ring or like annular member fixed to the container mouth
    • 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
    • B65D2543/00—Lids or covers essentially for box-like containers
    • B65D2543/00009—Details of lids or covers for rigid or semi-rigid containers
    • B65D2543/00444—Contact between the container and the lid
    • B65D2543/00481—Contact between the container and the lid on the inside or the outside of the container
    • B65D2543/0049—Contact between the container and the lid on the inside or the outside of the container on the inside, or a part turned to the inside of the mouth of the container
    • B65D2543/00509—Cup
    • 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
    • B65D2543/00—Lids or covers essentially for box-like containers
    • B65D2543/00009—Details of lids or covers for rigid or semi-rigid containers
    • B65D2543/00444—Contact between the container and the lid
    • B65D2543/00481—Contact between the container and the lid on the inside or the outside of the container
    • B65D2543/00537—Contact between the container and the lid on the inside or the outside of the container on the outside, or a part turned to the outside of the mouth of the container
    • B65D2543/00546—NO contact
    • 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
    • B65D2543/00—Lids or covers essentially for box-like containers
    • B65D2543/00009—Details of lids or covers for rigid or semi-rigid containers
    • B65D2543/00953—Sealing means
    • B65D2543/00962—Sealing means inserted
    • B65D2543/00972—Collars or rings

Definitions

  • the technical field of the invention is the container for holding solvent-containing or low-solvent and thus creep-friendly filling fluids, 5 for example wood preservatives, and a related cover ring for the reclosable holding of a push-in cover (in short: ED cover).
  • Increasingly, low-solvent and low-creeping goods are filled into round cans (round containers) and resealable with an ED lid, which is pressed into a lid ring.
  • the lid ring is connected to the can body with a seam.
  • the fold seam is usually a double fold.
  • an ED cover is provided with an internal lacquer coating and, in addition to the lacquer, a sealant is also applied in the sealing area between the cover ring and press-in cover (spot coating or ring rubber coating).
  • a sealant is also applied in the sealing area between the cover ring and press-in cover (spot coating or ring rubber coating).
  • PP polypropylene
  • polypropylene is not in a position higher 2 o withstand temperatures so that the lid panel of the lid as advertising space, a color code for the color of the paint in the container or wood preservative may not be used by the application.
  • the cover mirror which is large per se, cannot be used for other technical and advertising information. Printing on the lid mirror or applying 25 colored varnish on it would require drying or a baking process which results in temperatures of more than 150 ° which damage or burn the polypropylene on the underside of the lid.
  • the technical problem facing the invention is accordingly a better sealing of the fit of the press-in lid with creep-friendly filling fluids and the creation of the possibility of visually designing the lid mirror without the fit being affected in its tightness.
  • the press-in cover is therefore not coated with a PP material, but the cover ring, at least in the sealing area, but preferably on its entire inner surface, which on the one hand forms the fold seam for the fold and on the other hand fits inwards on the fuselage, which is designed from a vertical wall pretends.
  • the cover and cover ring are made of sheet metal.
  • the cover can be painted or unpainted and an additional ring rubber coating, which is still required in the prior art, can be omitted as an additional creep protection seal.
  • the push-in lid can still be used as an advertising space. It can be printed or painted at any time, since it is no longer provided with a polypropylene with a limited temperature.
  • the cover ring coated with the thin creep protection layer in particular polypropylene, provides the basis for eliminating the usual compound in the rebate area (the usual sealant), since the inside of the thin creep protection layer, in particular polypropylene.
  • Cover ring existing polypropylene layer for sealing between the cover ring and can body is sufficient.
  • the extension of the creep protection layer in the sealing area thus also forms the new "compound" over one surface of the entire cover ring, which fulfills the sealing task in the fold.
  • the invention achieves required contact pressures of> 0.5 bar.
  • the highest level of tightness is achieved for filling fluids which are easy to creep or penetrate, spot lacquers of the prior art can be dispensed with, as can ring rubbers.
  • the invention can not only be used for filling fluids which are easy to creep, it also has an application area which extends to dry and moisture-sensitive filling materials, that is to say the prevention of the ingress of moisture through the fit from the outside into the dry filling material.
  • One such area of application is in the filling of dry milk, which must be closed securely after opening and without the risk of becoming damp.
  • FIG. 1 is a section of the sealing area D of a press-in cover 20. Shown is a container body 10, a cover ring 30 arranged thereon via a fold area 40 and the press-in cover 20 with a cover mirror 20a fitted on a vertical wall 30b of the cover ring.
  • FIG. 2 is a detail from FIG. 1, which is concentrated on the sealing area D. Coatings 32a, 22 act in the sealing area D on the vertical
  • the reclosable container shown in the detail in FIG. 1 has an essentially round container body 10 which forms a double fold 40 with a cover ring 30 over an edge region 10a.
  • the cover ring is contoured and carries a circumferential bead between its two vertical wall sections 30a, 30b, the latter two of which lie directly against the inner wall of the container body 10 and the other points essentially horizontally inwards.
  • a fit D for a press-in cover 20 is formed on the inward-facing inner surface of the vertical cover ring wall 30b. Starting from a cover mirror 20a, it has a vertical circumferential wall section 20b which interacts with the mentioned inner wall of the cover ring 30b.
  • the inner wall section 20b of the cover 20 runs between a support flange 20c and the cover mirror 20a, wherein the support flange 20c and cover mirror 20a run essentially parallel and perpendicular to the vertical wall 20b of the cover 20.
  • the vertical wall 20b of the push-in cover 20 is provided with a flat but wide indentation which is approximately matched in its extent to the vertical wall 30b of the cover ring. In this area, especially as can be seen from FIG. 2, the sealing fit D is formed, which does not allow the goods that are eager to crawl to pass.
  • a seal between the support flange 20c and the outer region of an upwardly rolled roller 31 of the vertical cover ring wall 30b is possible, either purely mechanically or also caused by the extension of the thin creep protection layer 32a beyond the sealing region D, in
  • the circumferential flat bead 20b in the vertical wall is transferred into the support flange 20c and the cover mirror 20a via two different depth sections.
  • the two step sections are circumferential, as is the flat bead 20b; as
  • the thin anti-creep layer 32a shown specifically in FIG. 2 only in the sealing area D is made of polypropylene in the example. It is firm and with a thickness of the order of 50 ⁇ m attached to the vertical wall 30b of the cover ring 30 u.
  • a prefabricated cover ring which is punched out of a metal sheet which is completely covered with a polypropylene layer, it can extend over the entire cover ring on one side, the polypropylene layer then being different on a different shape according to FIG Place inwards (in sealing area D), upwards (in rolling area 31), downwards
  • the one-sided coating of the cover ring is sufficient to be able to perform a sealing function in each case.
  • the polypropylene layer takes on a sealing function in the area of the fold 40, instead of a sealing agent usually provided there, which can be omitted.
  • the thin anti-creep layer is sufficient to perform 40 sealing functions in the rebate area as well.
  • Push-in lid takes over the sealing task through the polypropylene layer.
  • the lid has no additional sealing layer, it can only be provided with a coating that can withstand higher temperatures if the lid in its lid mirror 20a e.g. is provided with a varnish that is baked or at
  • the thickness of the creep protection layer 32 which is designated 32a in the sealing area D, can vary, but remains small and is selected in the range between 30 and 200 ⁇ m, depending on the sheet thickness and the creep-resistant filling material, such as lacquers, paint or glaze.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Closures For Containers (AREA)
  • Packages (AREA)
  • Closing Of Containers (AREA)

Abstract

L'invention concerne des couvercles à inserer par pression destinés à créer un ajustement serré étanche entre eux, leur paroi centrale (20b) et une bague de couvercle (30, 30a, 30b) présentant deux sections de paroi verticales dirigées vers le haut. L'invention a pour but de fournir des moyens empêchant une fuite des fluides de remplissage, peintures ou lasures ayant tendance à fuir, tout en garantissant que le couvercle à insérer par pression puisse être refermé en présentant toujours la même étanchéité. De plus, il doit être possible d'imprimer ou de revêtir la surface (20a) du couvercle d'insertion (20, 20a, 20b), cette impression ou ce revêtement pouvant être séché(e) ou cuit(e) à haute température en vue de former extérieurement des informations identifiant le contenu du récipient obturé par le couvercle. A cet effet, l'invention a pour objet un couvercle. A cet effet, l'invention a pour objet un couvercle à insérer par pression portant aucun revêtement sur sa zone périphérique ou ne portant qu'un vernis intérieur (22b, 22). Une couche mince (32, 32a) de protection contre les fuites n'est appliquée que sur les côtés de la bague de couvercle, sur sa paroi intérieure verticale (30b), cette couche mince étant, en particulier, en polypropylène. L'ajustement serré étanche est obtenu entre la paroi verticale (20b) du couvercle d'insertion et la couche mince de protection contre les fuites de la bague du couvercle.
PCT/DE1997/000844 1996-04-25 1997-04-24 Bague de couvercle a revetement d'etancheite pour couvercle a inserer par pression WO1997041043A1 (fr)

Priority Applications (4)

Application Number Priority Date Filing Date Title
DE59712379T DE59712379D1 (de) 1996-04-25 1997-04-24 Wieder-verschliessbarer Behälter mit Deckelring und Eindrückdeckel
EP97922869A EP0835212B1 (fr) 1996-04-25 1997-04-24 Conteneur refermable avec collerette et couvercle enconçable
AT97922869T ATE300480T1 (de) 1996-04-25 1997-04-24 Wieder-verschliessbarer behälter mit deckelring und eindrückdeckel
DK97922869T DK0835212T3 (da) 1996-04-25 1997-04-24 Genlukkelig beholder med dækselring og indtrykningsdæksel

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19616528A DE19616528B8 (de) 1996-04-25 1996-04-25 Verfahren zum sicheren Verschließen von kriechfreudigen Füllgütern in Behältern
DE19616528.8 1996-04-25

Publications (1)

Publication Number Publication Date
WO1997041043A1 true WO1997041043A1 (fr) 1997-11-06

Family

ID=7792417

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/DE1997/000844 WO1997041043A1 (fr) 1996-04-25 1997-04-24 Bague de couvercle a revetement d'etancheite pour couvercle a inserer par pression

Country Status (5)

Country Link
EP (1) EP0835212B1 (fr)
AT (1) ATE300480T1 (fr)
DE (2) DE19616528B8 (fr)
ES (1) ES2245463T3 (fr)
WO (1) WO1997041043A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ITMI20121721A1 (it) * 2012-10-12 2014-04-13 Poli Box Italiana S R L Contenitore, particolarmente adatto al contenimento di liquidi a base acquosa e simili.

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19835291A1 (de) * 1998-08-05 2000-02-10 Herberts Gmbh Kunststoffbehälter zur Lagerung von flüssigen Überzugsmitteln
DE102005010204B4 (de) * 2005-03-05 2010-07-22 Stiebel Eltron Gmbh & Co. Kg Bauteil zur Aufnahme und/oder Leitung eines Fluids, Verfahren zur Herstellung eines Bauteils
DE102009019279A1 (de) * 2009-04-28 2010-11-04 Huhtamaki Ronsberg, Zweigniederlassung Der Huhtamaki Deutschland Gmbh & Co. Kg Wiederverschließbare Verpackung mit einem Folie und Stopfenabschnitt aufweisenden Deckel
BR102013032431A2 (pt) * 2013-12-17 2015-08-25 Brasilata S A Embalagens Metálicas Aperfeiçoamento estrutural em latas metálicas

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR817603A (fr) * 1936-05-12 1937-09-07 Perfectionnements aux boîtes métalliques
US3338456A (en) * 1965-10-06 1967-08-29 Continental Can Co Friction closures
DE2541636B1 (de) * 1975-09-18 1976-12-09 Limburg Gmbh Blechwaren Feinblechbehaelter mit Eindrueckdeckel

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1644244U (de) * 1952-06-17 1952-09-25 Blechwarenwerke Schmalbach J A Dekkeldose mit eindrueckdeckel.
DE1783664U (de) * 1958-12-09 1959-02-19 Karl Huber Blechwarenfabrik Aus kunststoff wie polyaethylen od. dgl. bestehender dichtring fuer behaelter.
DE1783665U (de) * 1958-12-09 1959-02-19 Karl Huber Blechwarenfabrik Aus kunststoff wie polyaethylen od. dgl. bestehender dichtring fuer behaelter od. dgl.
DE1851971U (de) * 1962-03-10 1962-05-17 Schmalbach Ag J A Dose mit eindrueckdeckel.
FR2518064A1 (fr) * 1981-12-14 1983-06-17 Safet Embamet Lethias Dispositif d'etancheite pour emballage metallique, procede pour sa fabrication et emballage en comportant application
DK165586B (da) * 1990-09-03 1992-12-21 Baltic Metalvarefab Lukkeanordning til beholder
DE19508431A1 (de) * 1995-03-09 1996-09-12 Walter Hornung Gefäß mit Aufsatz

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR817603A (fr) * 1936-05-12 1937-09-07 Perfectionnements aux boîtes métalliques
US3338456A (en) * 1965-10-06 1967-08-29 Continental Can Co Friction closures
DE2541636B1 (de) * 1975-09-18 1976-12-09 Limburg Gmbh Blechwaren Feinblechbehaelter mit Eindrueckdeckel

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ITMI20121721A1 (it) * 2012-10-12 2014-04-13 Poli Box Italiana S R L Contenitore, particolarmente adatto al contenimento di liquidi a base acquosa e simili.
WO2014057023A1 (fr) * 2012-10-12 2014-04-17 Poli Box Italiana S.R.L. Récipient particulièrement adapté à contenir des liquides à base d'eau et similaire(s)

Also Published As

Publication number Publication date
ATE300480T1 (de) 2005-08-15
ES2245463T3 (es) 2006-01-01
DE59712379D1 (de) 2005-09-01
DE19616528B4 (de) 2011-12-29
EP0835212A1 (fr) 1998-04-15
DE19616528B8 (de) 2012-01-05
EP0835212B1 (fr) 2005-07-27
DE19616528A1 (de) 1997-11-06

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