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
  • B65D1/0223—Bottles or similar containers with necks or like restricted apertures, designed for pouring contents characterised by shape
  • B65D1/0292—Foldable bottles

Definitions

• the present invention relates to a system of a bottle, for example plastic, with variable volume, intended to contain a liquid, in particular a carbonated or carbonated drink (hereinafter referred to as carbonated drink) and an anti stop means -external return.
• a liquid in particular a carbonated or carbonated drink (hereinafter referred to as carbonated drink) and an anti stop means -external return.
• the volume of gas surmounting the liquid contained is reduced to a minimum in the area inside the neck and a pressure balance is established between the gas dissolved in the liquid and the gas surmounting the latter.
• the initial gas content of the liquid is determined by this pressure balance and can be predetermined in the case of gasification of the liquid.
• This external device at least partially and concentrically encloses the container or is offset from it so as to easily adapt to the different types of existing containers and can be reused in whole or in part on another container, after consumption total of the liquid contained in the original container.
• the present invention therefore aims to eliminate the aforementioned drawbacks and to propose a system of a variable volume bottle and of an external non-return stop means making it possible to prevent the contained liquid from becoming stale and which can maintain the bottle in a selectively reduced volume state, even in the presence of very high internal pressure.
• the subject of the present invention is a system of a variable volume bottle intended to contain in particular a liquid with gas content, of the type comprising a deformable pleated external side wall, for example in bellows, and a means external non-return stop to keep the bottle in one of a succession of internal volume states and authorize its progressive deformation from a given state of volume to another state of volume notably more reduced so as to conform the internal volume of the bottle to the volume of liquid remaining in it, characterized in that said non-return stop means cooperates with peripheral edges which project outwards from the bottle from the fold lines the outermost of the pleated wall of the bottle.
• the non-return stop means comprises a possibly perforated sleeve at least partially enveloping the pleated wall and comprising a portion radially projecting inwardly to bear against the peripheral flanges which are in a helical configuration, a non-return snap mechanism between the upper or lower external part of the bottle which can possibly be used if the pitch of the pleated wall does not make it possible to ensure the blocking of the bottle in a state alone reduced internal volume.
• the lower and upper parts of the bottle are rigid enough to prevent their deformation during contraction of the bottle.
• the non-return stop means comprises a plurality of hooking elements formed on the aforementioned peripheral flanges and capable of hanging on the immediately adjacent flange, for example underlying, to block the bottle in contracted position.
• the non-return stop means is formed of at least one sleeve notched internally and extending partially along the pleated wall of the bottle, so that the notches can s' hang on the aforementioned external peripheral edges when the bottle is compressed.
• a single sleeve is used, one of its ends being integral with the upper or lower part of the bottle or with one of the peripheral edges of the pleated wall.
• the sleeve (s) can be perforated and the notches staggered on its internal surface.
• the pleated wall of the bottle consists of at least two portions of different width or diameter, an internally notched sleeve being associated with each of said portions so that during compression of the bottle, said sleeves can fit into each other. Provision may be made for the notches on the upper internal surface of a sleeve to be oriented in the opposite direction to those of its lower internal surface, the junction zone between said upper and lower surfaces serving as a fixed point for hooking the sleeve to a flange.
• peripheral of the pleated wall the notches of one of said surfaces being provided only on peripherally spaced portions, preferably regularly, and the corresponding peripheral edges of the pleated wall being formed only on complementary portions of said notched portions, so as to allow the sleeve to slide freely in one direction on the pleated wall and its fixed attachment to a rim thereof by aligning said portions by simple relative rotation of the sleeve and of the pleated wall.
• the sleeve extending partially over the height of the bellows, it is possible to provide that the minimum height of the sleeve is equal to that of all the bellows in the maximum folded position.
• the non-return stop means also provides a brake function preventing spontaneous contraction of the bottle, due for example to the slope and the elasticity of the hooks, notches or teeth of the mechanism. latching.
• Figure 1 shows in elevation and in axial section a bottle according to the system of the invention, according to a first embodiment on the right half-view and according to a variant on the left half-view.
• Figure 2 is similar to Figure 1, but shows the bottle in the contracted position.
• FIG. 3 is a half-view in cross section along line III-III of the left half-view in FIG. 1.
• Figure 4 is an elevational view in axial section of another embodiment of the system of the invention.
• FIG. 5 is a view in cross section along the line V-V in FIG. 4.
• Figures 6 and 7 are half-views in elevation of yet another embodiment of the system of the invention, respectively in the initial and contracted position.
• Figures 8 and 9 are partial perspective views of a detail indicated respectively in Figure 6 by arrow VIII and in Figure 7 by arrow IX.
• the system of the invention comprises a bottle 1 and a non-return stop means 2 externally secured to the bottle.
• the bottle 1 has a bottom 3 which is extended by a substantially cylindrical middle part 4 tapering at its upper part towards the neck 5 of the bottle.
• the middle part 4 of the bottle can be of any shape, for example with a substantially elliptical or polygonal section or any other suitable shape.
• the upper part of the bottle 1 is advantageously thinned at 6 so that at the end of reduction of the volume of the bottle, the space remaining in the bottle is minimal. Indeed, at the end of reduction of the volume of the bottle, the lower end of the thinned part 6 comes in the vicinity of the bottom 3 of the bottle so that the free space remaining in it is confined inside the thinned part 6.
• the middle part 4 of the bottle is deformable in the axial direction of the bottle 1, namely in the direction of its height H and has a pleated wall, for example in the manner of an accordion or a bellow.
• Peripheral flanges 8 project radially or perpendicular to the axis H at the outermost fold lines 7 of the pleated wall 4.
• the pleated wall 4 of the right half-view of FIG. 1 consists of a succession of frustoconical crowns 4a with alternately reverse conicity and of rectilinear section in an axial plane of the bottle, two adjacent frustoconical crowns 4a being joined by their large base or their respective small base.
• the accordion wall 4 of the bottle 1 here has an alternation of circular fold lines of smaller diameter 9 and larger diameter 7 which are spaced from each other in the height direction H of the bottle by the abovementioned crowns 4a.
• the bottle 1 is generally made of rigid plastic, the middle part 4 may be of semi-rigid material or have a thickness such that the wall can be folded.
• the bottom 3 of the bottle is separated from this pleated wall 4 by a lower rigid cylindrical tubular part 4b.
• the bottle illustrated in the left half-view of FIGS. 1 and 2 differs from that of the right half-view in that it is staged in two portions 4 and 104 of different diameter or width, the lower portion 104 of the bottle being wider than the upper portion 4 thereof.
• the pleated wall of the bottle 1 is here for example shared equally between its upper and lower portions, each portion comprising for example six bellows.
• the pleated wall of the lower portion 104 is homothetically identical to that of the upper portion.
• a larger tapered crown 10 connects the small base of the last bellows 4a of the upper portion to the large base of the first bellows 104a of the lower portion 104.
• the non-return stop means 2 illustrated in the right half-views of FIGS. 1 and 2 consists of an internally notched and possibly perforated sleeve 11 which partially surrounds the pleated wall 4 of the bottle 1.
• the sleeve 11 is secured for example at its upper end 11a to the upper part 6 of the bottle 1, while its lower end slides freely along the pleated wall 4 in the direction of a reduction in the volume of the bottle.
• the notches or teeth 11b provided on the internal surface of the sleeve 11 have a slope oriented upwards for the passage of a peripheral rim 8 and a flat part serving as a stopper and intended to come into abutment against the 'one of these edges to retain the bottle in the contracted position.
• the notches 11b can be formed peripherally on the internal surface of the sleeve 11 or in the form of a plurality of teeth scattered over its entire internal surface.
• the internal gas pressure compresses the external peripheral rims 8 against the internal notched surface of the sleeve 11, which further improves the retention of the bottle in its contracted position.
• the non-return stop means 2 consists of a first internally notched sleeve 12 which cooperates with the upper portion 4 of the bottle and a second internally notched sleeve 13 which cooperates with the lower portion 104.
• the difference d between the radius of the lower portion 104 and the radius of the upper portion 4, is substantially equal to or greater than the thickness of the first notched sleeve 12 so that it can fit inside the second notched sleeve 13 during contraction of the bottle. It can be seen in FIGS. 1 and 2 that the notches 12a of the upper half of the first sleeve 12 are oriented downwards while the notches 12b of the lower half of the latter are oriented upwards, so that the area of junction 12c between said upper and lower halves serve as a fixed point for hooking the sleeve 12 on an external peripheral rim 8 of the pleated wall.
• each half of the first sleeve 12 is calculated so as to retain, for example, a bellows in the initial position and up to three bellows in the final contracted position.
• the second notched sleeve 13 has notches 13a oriented downwards on its upper three quarters, and notches 13b oriented upwards on its lower quarter, the junction zone 13c between the notches 13a and 13b serving as a fixed point of attachment on an external peripheral rim 108.
• the first sleeve 12 has on its external surface a tooth 12d radially projecting and intended to come into engagement with the notches 13a of the second sleeve 13 when it fits on the first sleeve 12.
• the notches 13b are provided only on peripherally spaced portions and the corresponding peripheral flange 108 is formed only on complementary portions of said notched portions 13b, so as to allow the sleeve 13 to slide freely upwards on the pleated wall 104 of the bottle and its fixed attachment to a rim 108 thereof aligning the notched portions 13b with the rim portions peripheral 108 by simple relative rotation of the sleeve 13 and the pleated wall 104.
• notches 12a of the first sleeve 12 are formed only on peripherally spaced portions and that the corresponding peripheral flanges 8 are also formed on complementary portions.
• the bottle 1 here forms a triple wall structure in its position shown in the left half-view of FIG. 2.
• the bottle 1 here has a pleated wall 204, the radially external 207 and internal fold lines 209 of which are helical, a rim 208 projecting axially from the external fold line 207 outwards to cooperate with the stop means. anti-return.
• the rim 208 may be continuous, discontinuous, or even be in the form of a succession of studs.
• bosses 210 projecting externally from the internal helical folding line 209 to stiffen the bellows before they are crushed, these bosses disappearing during compression of the bottle and passage of the sleeve for example.
• the non-return stop means 2 consists of a sleeve 14 which may be perforated and which at least partially envelops the pleated wall 204.
• the lower end 14a of the sleeve 14 projects radially inwardly to come to bear under the aforementioned helical flanges 208. It can alternatively be provided that the wall is folded in an accordion fashion, but that the aforementioned peripheral flanges consisting for example of a series of studs define a helical ramp for guiding the contraction.
• a latching mechanism is formed between the upper part 6 of the bottle and the upper end of the sleeve 14, for example with teeth 15 on the external periphery of the bottle and a corresponding flexible tongue 14b on the internal wall of the sleeve for allow the sleeve to rotate freely in one direction and prevent it from rotating in the opposite direction indicated by the arrow F in FIG. 5.
• the sleeve 14 acts here as a nut in which the turns 204a of the pleated wall 204 are housed during the contraction of the bottle.
• the aforementioned sleeves 11 to 14 also serve as a means of guiding the contraction of the bottle.
• FIGS. 6 to 9 show yet another embodiment of the system of the invention, in which the pleated wall 304 of the bottle 1 comprises a succession of fold lines 307 of the same diameter and spaced from one another in the axial direction H of the bottle by annular bands 304a curved towards the inside of the latter.
• External peripheral flanges 308 radially project from the pleated wall 304 from the fold lines 307.
• the non-return stop means 2 here consists of elements forming for example hooks 16 which extend substantially parallel to the axis H of the bottle from the aforementioned external peripheral rims 308. These hooks 16 can be staggered on the various aforementioned peripheral edges and can have variable lengths.
• hooks 16 have of course their beak 16a oriented towards the inside of the bottle to hang on the adjacent peripheral edges, for example underlying.
• the non-return stop means 2 engages on the various external peripheral edges so as to retain the bottle in its contracted position.
• the bottle and its various non-return stop means can come from one material and be made from a single plastic material.
• the bottle 1 can be produced by injection into a mold of a preform which is subsequently blown to form the bottle.

Landscapes

• Engineering & Computer Science (AREA)
• Ceramic Engineering (AREA)
• Mechanical Engineering (AREA)
• Closures For Containers (AREA)
• Details Of Rigid Or Semi-Rigid Containers (AREA)
• Containers Having Bodies Formed In One Piece (AREA)
• Catching Or Destruction (AREA)
• Food-Manufacturing Devices (AREA)
• Medical Preparation Storing Or Oral Administration Devices (AREA)
• Orthopedics, Nursing, And Contraception (AREA)

Priority Applications (3)

Applications Claiming Priority (2)

Publications (1)

Family

ID=9466234

Family Applications (1)

Country Status (6)

Cited By (6)

Families Citing this family (5)

Citations (6)

Family Cites Families (3)

• 1994
  • 1994-08-10 FR FR9409910A patent/FR2723565A1/fr active Pending
• 1995
  • 1995-08-09 AU AU31690/95A patent/AU3169095A/en not_active Abandoned
  • 1995-08-09 AT AT95927774T patent/ATE173697T1/de not_active IP Right Cessation
  • 1995-08-09 WO PCT/FR1995/001069 patent/WO1996005113A1/fr active IP Right Grant
  • 1995-08-09 DE DE69506261T patent/DE69506261D1/de not_active Expired - Lifetime
  • 1995-08-09 EP EP95927774A patent/EP0775071B1/de not_active Expired - Lifetime

Patent Citations (6)

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