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
  • B65D1/02—Bottles or similar containers with necks or like restricted apertures, designed for pouring contents
  • B65D1/0207—Bottles or similar containers with necks or like restricted apertures, designed for pouring contents characterised by material, e.g. composition, physical features
• • 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
• • 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
  • B65D1/02—Bottles or similar containers with necks or like restricted apertures, designed for pouring contents
  • B65D1/0223—Bottles or similar containers with necks or like restricted apertures, designed for pouring contents characterised by shape
  • B65D1/023—Neck construction
  • B65D1/0246—Closure retaining means, e.g. beads, screw-threads

Definitions

• the present invention relates to the field of packaging, and in particular that of metal packaging.
• packaging depending on their constituent material, are obtained by manufacturing techniques that generate structural constraints leading to the implementation of conveying facilities which are respectively dedicated to them.
• the tubular portion forming the neck of the packages (such as bottles or flasks) made of plastic generally comprises an annular ring, protruding on the circumference, designated “transport ring”, useful for their individual care .
• plastic packaging can thus be held, manipulated and / or transferred by the positioning of a fork-shaped handling member, supported under this transport ring.
• the neck and its transport ring are formed simultaneously, for example on a preform (semi-finished part obtained by injection) before finishing by injection blow molding or by extrusion blow molding.
• the Applicant has developed a new metal packaging structure that is suitable for handling in a facility usually dedicated to plastic packaging.
• the metal package according to the invention comprises a tubular part defining a longitudinal axis, which tubular portion comprises a monobloc annular structure composed of one or more moldings which are formed on a plane extending perpendicularly to said longitudinal axis and on the circumference of said tubular portion, to form an annular bottom surface against which a body for handling is intended to come to bear.
• the one or more moldings are advantageously protruding inwardly ("inward") and / or outwardly ("outgoing") from the tubular portion.
• the one-piece annular structure comprises a continuous annular molding extending over the entire circumference of the tubular portion.
• the continuous annular molding has an open rib shape, opening towards the inside or towards the outside of the tubular part; alternatively, this continuous annular molding has a closed rib shape, constituting a one-piece collar projecting outwardly which is formed of two planar annular rings bearing against one another and connected by a fold line peripheral.
• the one-piece annular structure comprises at least one variation of curvature in the plane perpendicular to the longitudinal axis passing through said annular structure.
• This monobloc annular structure thus has discontinuities of curvature, with advantageously a variation of the horizontal radial distance around the horizontal axis.
• This embodiment aims to introduce, at one or more points of the circumference of the tubular part, a geometrical discontinuity at the level of the monobloc annular structure, in particular a geometrical discontinuity in the molding, in at least one of the moldings or between two moldings, which consolidates this part of the package and significantly increase the resistance to vertical effort.
• This discontinuity can take the form of more or less complex curves, and preferably unmolded tubular portion portions (or vertical segments) extending in the continuity of the shape of the overlying and underlying portions of the tubular portion by relative to this monobloc ring structure.
• the initial section of the tubular portion is deformed so as to spare the molding or moldings intended to constitute the monobloc annular structure.
• the one-piece annular structure comprises at least one molding extending over only a portion of the circumference of the tubular portion.
• This monobloc annular structure advantageously comprises several moldings which are distributed over the circumference of the tubular part, in a regular or non-regular manner (homogeneous or non-homogeneous).
• the one-piece annular structure comprises moldings which are each outwardly projecting, and which are evenly distributed over the circumference of the tubular part, in the plane perpendicular to the longitudinal axis passing through said annular structure.
• the one-piece annular structure comprises one or more notches, formed on the molding and / or on at least one of the moldings and / or separating two moldings; these notches advantageously have a vertical axis or at least approximately vertical, and are advantageously formed by an unmolded section of the tubular portion.
• a notch is formed incoming for one or more outgoing moldings; a notch is formed outgoing for one or more moldings incoming.
• the bottom of the notch or at least one of the notches extends in the circumference, or at least approximately in the circumference, of the tubular portion.
• the metal package consists of a container (for example a bottle) having a neck forming said tubular portion; and this neck is terminated by a neck provided with an upper part for receiving a cap and a lower part having the monobloc annular structure.
• the invention further relates to a process for the manufacture of a metal package as defined above, which process comprises:
• FIG. 1 is a general perspective view of a tubular part forming the neck of a package, the neck of which is provided with a monobloc annular structure constituted by a continuous annular molding in the form of an open rib whose convexity is oriented outwards ;
• FIG. 1 is a side view of the neck of Figure 1;
• FIG. 3 is a vertical and partial sectional view of a tubular portion similar to that illustrated in Figure 2, at the monobloc annular structure which is here of curved section;
• Figure 4 is a vertical sectional view of an alternative embodiment of Figure 3, wherein the one-piece annular structure consists of an open rib, here of dihedral section;
• FIG. 5 is a vertical sectional view of another embodiment of Figure 3, wherein the one-piece annular structure consists of a closed rib, here of flat section, corresponding to a molded "crushed” yet “compressed” bead ";
• FIG. 6 is a perspective view of a neck of another possible embodiment of a package according to the invention, provided here with several moldings each extending on an angular sector of its circumference;
• Figure 7 is a side view of the neck of Figure 6;
• FIG. 8 is a detailed and enlarged view of FIG. 7, showing the section of the unmolded neck separating two moldings;
• FIGS. 9 to 14 are perspective views of a tubular portion of a metal package, each illustrating a particular arrangement of the moldings constituting the one-piece annular structure;
• FIG. 15 is a top view of a tubular portion of a metal package, the one-piece annular structure comprises moldings separated by regularly distributed notches;
• FIG. 16 schematically shows some possible forms for the notches, seen from above;
• FIG. 17 shows an alternative embodiment of the invention, according to a vertical sectional plane, wherein the one-piece annular structure comprises at least one molding consisting of a rib open to the outside.
• Figures 1 and 2 show a part of a metal package.
• Such a metal package is for example made of aluminum or steel.
• This metal package advantageously consists of a container or a container, intended to receive for example a liquid product (including drinks), pasty or solid (including powders or granules).
• Such a metal package consists for example of a bottle, a bottle or a can.
• This package advantageously comprises a body or belly (not shown), surmounted by a tubular portion 1 (FIGS. 1 and 2) constituting a neck, terminated by a neck 2 opening through a terminal opening 3.
• the tubular portion 1 has a longitudinal axis 1 ', here oriented vertically.
• This tubular portion 1 is constituted by a one-piece metal wall 4 which defines its circumference and which delimits an inner conduit C ( Figure 3).
• This tubular portion 1, perpendicular to the longitudinal axis 1 ' is here circular in shape, but it could equally well be oval, rectangular or square for example.
• the upper end 5 of the tubular portion 1 is constituted here by an outwardly oriented peripheral hem defining the end opening 3 ( Figures 1 and 2).
• an upper portion 2a of the neck 2 comprises means for receiving a plug (not shown), in this case a helical thread 6.
• a lower portion 2b of the neck 2 (directly underlying the upper part 2a) comprises a monobloc annular structure 10 composed of a molding 1 1 to form an annular lower surface 12 against which a handling device can come to support.
• This handling member (not shown) advantageously has a fork shape, of the type conventionally encountered in the field of the handling of plastic bottles provided with a transport ring.
• the molding 1 1 is formed on a plane 13 ( Figure 2) extending perpendicularly to the longitudinal axis 1 'above and on the circumference of the tubular portion 1.
• molding in particular a ribbing in the one-piece metal wall 4 (commonly referred to in English as “bead”), recessed or raised, obtained for example by striking or embossing.
• the molding 1 1 is continuous, extending over the entire circumference of the tubular portion 1. As illustrated by FIGS. 1 to 3, the continuous annular molding 1 1 is here provided protruding outwardly from the tubular part 1.
• this continuous annular molding 11 has an open rib shape, opening towards the inside of the tubular part 1.
• This continuous annular molding 11 is identical or at least approximately identical on its circumference, without geometrical rupture (FIG. 3).
• this vertical section is here of curved shape, for example in a semi-circle or half-oval, whose convexity is oriented outwards.
• the annular lower surface 12 is thus formed by approximately the lower half of this continuous annular molding 11.
• FIG. 4 shows an alternative embodiment of a continuous annular molding 1 1 constituting a monobloc annular structure 10.
• This continuous annular molding 1 1 consists here of two sections:
• the continuous annular molding 1 1 consists of a frustoconical upper part and a lower part in the form of a horizontal ring.
• the continuous annular molding 1 1 has a closed rib shape, constituting a monobloc collar provided projecting outwardly.
• Such a continuous annular molding 1 also called “compressed molding” or “compressed bead”, is formed of two planar annular rings 16 resting on one another, the lower one forming the annular bottom surface 12 for the handling and the other upper, which are connected by a peripheral fold line 17.
• Figures 6 to 8 show another embodiment of the invention in which the one-piece annular structure 10 comprises, on the circumference of the tubular portion 1, at least one variation of curvature in the plane 13 perpendicular to the longitudinal axis 1 passing through said annular structure 10.
• Such an embodiment makes it possible to consolidate the neck 2 of the package, and to significantly increase the resistance to the vertical force at the level of this monobloc annular structure 10.
• the one-piece annular structure 10 comprises a "discontinuous molding"
• This one-piece annular structure 10 thus comprises a plurality of separate moldings January 1 which are distributed, homogeneously or evenly, around the circumference of the tubular part 1. In this case, these moldings 1 1 each extend over a portion of the circumference of the tubular portion 1.
• the one-piece annular structure 10 here comprises three moldings 1 1, each extending generally over a horizontal angular sector of the order of 5 ° to 120 °, and preferably each on a horizontal angular sector of the order of 60 ° to 1 10 °.
• the moldings 1 1 together form the lower bearing surface 12; the latter is here discontinuous, formed by the lower surface of these various moldings January 1.
• the vertical section of these moldings January 1 may be adapted, for example curve or dihedral as described above.
• Each unmolded section 20 consists of a segment of the neck 2 (or of the tubular part 1), extending along a vertical axis 20 '(FIG. 8) and in the continuity of the section of the directly overlying portions and under -cente of this neck 2 (without discontinuity or rupture of the section).
• each notch 20 thus advantageously extends in the circumference of the tubular portion 1.
• Each notch 20 is delimited laterally by the ends 20b opposite two moldings January 1 juxtaposed.
• each notch 20 On a horizontal section, the ends 20b of each notch 20 extend for example parallel to one another, or diverge towards the periphery, as illustrated below in connection with FIG. 16. Each notch 20 may still have a section in an arc.
• FIGS. 9 to 14 show examples of alternative embodiments of this monobloc annular structure 10 comprising a plurality of outwardly oriented moldings 11, separated in pairs by an unmolded section 20 of the tubular part 1.
• the one-piece annular structures 10 respectively comprise:
• FIG. 1 1 three moldings 1 1 each extending over a horizontal angular sector of the order of 30 ° to 60 °, separated by non-molded sections 20 each extending over a horizontal angular sector of the order from 60 ° to 90 °;
• FIG. 14 six moldings 1 1 each extending over a horizontal angular sector of the order of 10 ° to 30 °, separated by unmolded sections 20 each extending over a horizontal angular sector of the order of 30 ° to 50 °.
• FIG. 15 still shows, seen from above, a peripheral annular structure 10 comprising several moldings 1 1 separated by notches 20.
• each notch 20 advantageously extends in the circumference of the neck 2.
• this bottom 20a of each incoming notch 20 may extend: - in a first case, in the annular space defined by the moldings 1 1 and at a distance from the circumference of the neck 2, corresponding in a kind of partial stamping, as represented by the bottom designated by the reference 20a1_, or
• the one-piece annular structure 10 consists of a kind of continuous annular molding 1 1 in which is formed a plurality of notches 20.
• the one-piece annular structure comprises an alternation of moldings projecting inwards and outwards; thus obtaining a combination of incoming / outgoing moldings with respect to the tubular portion.
• the manufacture of such a monobloc annular structure advantageously comprises - a forming operation of a continuous annular molding, followed by - an operation of forming the one or more notches, for example by stamping.
• these notches 20 may have for example a rectangular shape (A or B), a trapezoidal shape (C or D) or an arcuate shape (E).
• FIG. 17 shows an alternative embodiment of the invention, in which the one-piece annular structure 10 comprises a bead 11 consisting of an open-out rib.
• This molding 1 1 is here in the form of a continuous annular molding, generating a lower bearing surface 12.
• a plurality of outwardly open moldings which are arranged in the same plane perpendicular to the axis of the neck and which are separated by unmolded sections or outwardly projecting moldings.
• the metal packaging according to the invention is simple to handle, especially on a dedicated facility usually for the handling of plastic packaging.

Landscapes

• Engineering & Computer Science (AREA)
• Mechanical Engineering (AREA)
• Ceramic Engineering (AREA)
• Containers Having Bodies Formed In One Piece (AREA)
• Tubes (AREA)
• Packages (AREA)
• Packaging Of Annular Or Rod-Shaped Articles, Wearing Apparel, Cassettes, Or The Like (AREA)

Applications Claiming Priority (2)

Publications (1)

Family

ID=47882202

Family Applications (1)

Country Status (9)

Cited By (1)

Families Citing this family (17)

Citations (1)

Family Cites Families (14)

• 2012
  • 2012-03-15 FR FR1252335A patent/FR2988077B1/fr active Active
• 2013
  • 2013-03-15 RU RU2014139610A patent/RU2624181C2/ru not_active IP Right Cessation
  • 2013-03-15 CN CN201380014231.1A patent/CN104169177B/zh not_active Expired - Fee Related
  • 2013-03-15 EP EP13709248.2A patent/EP2825469A1/fr not_active Withdrawn
  • 2013-03-15 KR KR1020147025744A patent/KR20140135751A/ko not_active Application Discontinuation
  • 2013-03-15 WO PCT/EP2013/055431 patent/WO2013135877A1/fr active Application Filing
  • 2013-03-15 JP JP2014561468A patent/JP6112738B2/ja not_active Expired - Fee Related
  • 2013-03-15 US US14/378,799 patent/US20150027974A1/en not_active Abandoned
  • 2013-03-15 AU AU2013234280A patent/AU2013234280A1/en not_active Abandoned

Patent Citations (1)

Non-Patent Citations (1)

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