FR2577200A3 - CLOSURE FOR BOTTLES OF FOAMS AND SIMILAR BEVERAGES - Google Patents

Abstract

The invention relates to a closure for bottles containing a beverage with pressurized gas. The problem to be solved consists in creating a closure of simple construction, easy to open and allowing the organoleptic qualities of the drink to be preserved. The closure is characterized in that it comprises a stopper 8 engaged in the neck 2 of the bottle 3, a cap 15 exerting pressure on the stopper and screwing onto the neck, means 29 securing the stopper 8 in the axial direction to the cap 15. The invention is particularly applicable to bottles of sparkling wine. (CF DRAWING IN BOPI)

Description

t "Closure for bottles of sparkling wine and similar drinks". The

  The present invention relates to a closure for bottles of sparkling wine and similar beverages. - It is known that such closures must withstand high forces because of the

  pressure of the gases produced by the sparkling wine.

For closing the bottles of

  Sparkling, various solutions are currently used.

  Classic corks are still in use and are appreciated by traditional consumers; however, they are not lacking

  disadvantages. Among these, we can mention the deterioration

  tion and the possibility of producing malignant germs

  according to the disinfection

  riau is submitted. This results in an adverse action

  on the organoleptic characteristics of sparkling wine.

  In addition, these closures require

  setting up a wire cage to keep

  surely nest the cork in the bottle.

  The corks are also used

  plastic material, eg polyethylene,

  the shape of the corks.

  Such caps are mounted in the neck of the bottle under a very high force for

guarantee the tightness.

But, this has the disadvantage that

the opening is made difficult.

  In addition, unfortunately, the low temperature at which the bottle is at the time when it is consumed causes a hardening of the plug material and thus a worsening of the situation. It should be added that these plastic plugs require the bottle to have close dimensional tolerances and a good surface finish. In the opposite case the cap holding

  in his seat and tightness would be compromised.

  To overcome the disadvantages

  In addition, expansion closures have been proposed in which a male element is mounted with the possibility of displacement in a female element introduced into the housing.

  neck of the bottle. Means to counter and

  ne, or toggle, are formed in the elements to forcibly apply the female element against

walls of the neck of the bottle.

  Such closures are by themselves very complicated construction, they require complicated devices for their implementation during bottling and finally they are of use and appearance very far from those of the caps

  classic cork or polyethylene.

  The problem that arises at the root of the present invention is to create a closure having

  characteristics of construction and functioning

  to avoid the disadvantages

born above.

  To this end, the invention relates to a closure of the above type, characterized in that it comprises a stopper in the neck of the bottle, a cap exerting a pressure on the stopper, coaxial with the stopper and screwing itself appreciably on the bottleneck of the bottle, as well as means of solidarity in

  axial direction the cap to the cap during the dévis-

wise of the hood.

Advantageously, these means comprise

  a mushroom-shaped element whose foot meshes with the cork and whose hat caps the cap. Other features and advantages of the closure according to the present invention result

  of the following description of an exemplary embodiment

  preferred, indicative and not limiting, with reference to the accompanying drawings, in which: - Fig.1 is a sectional view of a

closing according to the invention;

  FIG. 2 is an exploded view in section

  partial pe of the closure according to FIG.

  In the attached drawings, we have designated

  in a global manner by 1 closure according to the

  vention, placement on the neck 2 of a bottle

  3 intended to contain sparkling wine and similar beverages

  lar. In particular, the neck 2, of axis X-X, has an inner cylindrical wall 4, an upper edge 5 and an outer cylindrical wall 6 in which is formed at a predetermined distance

  edge 5, reinforcing unoDllet 7.

  The closure 1 comprises a flat-headed bouchop 8 made of expanded plastic, for example

example of expanded polyethylene.

  The plug 8 has a cylindrical body

  two diameters: a first portion 10 of the cylindrical body 9 has a first diameter slightly smaller than the diameter of the cylindrical wall 4 and serves

  insert element of the plug in the neck.

  A second part 11 has on the contrary a slight diameter

  taller for there to be a forced bond

  when it is introduced into the neck and to

  firing tightness. Finally, a third part 12,

  that is interposed between Parts 10 and 11 to

to establish a connection between eu *.

  The cap 8 has a flat head 13

on the front 5.

  It should be noted that the flat head is

  provided on its periphery with a falling edge 14 which

pledge internally on the edge 5.

  It should also be noted that the plug 8 is provided with a waterproofing coating 8a which extends over the entire cylindrical body 9 to the underside of the flat head 13, under the protection of the falling edge 14. The waterproofing coating 8a is

  constituted by a film of plastic material

  proprié, for example polyethylene.

  The closure 1 further comprises an annular cap 15 exerting a pressure on the

  plug. This cap is made of a plastic material

  good mechanical characteristics and, preferably,

  low coefficient of friction, for example

  solid in an acetal or nylon type resin.

  The cap 15, coaxial with the cap 8, is strongly screwed onto the leg 2. It comprises a tubular portion 16 and an annular rim 17 made internally at one end of the tubular portion

  16. The flange 17 comes on the flat head 13.

  The tubular portion 16 is slightly narrowed at the location of the flange 17 to give the

  closing the dome-like appearance traditionally presented

  corks for sparkling bottles.

  Inwardly, and towards the opposite end, the tubular portion 16 is provided with three

  bosses also spaced in the peripheral direction.

  These bosses are all designated by 18 and meshing by screwing with a thread designated as a whole by 19. For this screwing, the threading 19 is provided on the neck 2 along the outer cylindrical wall

  6 from edge 5 to collar 7.

  More precisely, the thread 19 consists of three helical threads with steps

  fast, all designated by 20, made on the wall 6.

  It should be noted that it is planned

  along the threads 20 of the respective horizontal sections

  equal zones designated by 21 and sections

  equal vertical sections designated 22.The sections 21 and 22 are connected together and form a seat 23 for receiving a boss 18 at the end of screwing stroke.

  The closure 1 according to the invention comprises

  additionally carries means 24 for securing in

  axial rection the plug 8 and the cap 15.

  These means 24 comprise an element 25

  in the form of a mushroom, made of a plastic material

  good mechanical characteristics, for example

  example in a resin called ABS. This element 25 in

  The cylindrical foot 26 has a cylindrical foot 26 and a cap 27. The cylindrical foot 26 has a coaxial cavity which gives it lightness and a predetermined elasticity. This foot is engaged with a predetermined force in a cylindrical seat 28 made in the plug 8 over a greater length than the foot also extending through the cap

ring 15.

  Retention means 29, which will be de-

  written in the following, are advantageously

  to prevent the foot 26 from separating from the plug 8.

  The cap 27 of the mushroom-shaped element 25 caps the annular flange 17 of the

  annular cap 15. More precisely, the chain

  skin 27 of the mushroom-shaped element 25 and the flat head 13 of the plug 8 define between them an annular groove in which the flange 17 is housed

with limited axial clearance.

  The hat 27 is advantageously lightly

  curved and is connected to the tubular portion 16 of the cap 15 which has a border for this purpose

  protruding 30 which marries the periphery of the hat 27.

  The mushroom-shaped element 25 thus contributes to completing the typical dome-like appearance.

  bottle caps of sparkling wine.

  A small annular protrusion 31 having a semicircular section is provided on the periphery of the cap 27 to snap into a small annular recess 32 which also has a semicircular section and consequently

  inside the projecting edge 30.

  With regard to the means of re-

  held 29, they comprise four annular flanges, all designated 33, formed on the foot 26 and having a sawtooth profile, the face 34 of each tooth being directed towards the cap 27 and the

  back 35 of each tooth being directed towards the free end

  breed. The means 29 also comprise four annular grooves, all designated 36, formed inside the plug 8 in the seat 28, these grooves

  with a serrated sawtooth profile of the

thread of collars 33.

  The operation of the closure

  the invention is hereinafter described in detail.

  first application to the bottle, on the

  case of bottling, and with reference to a

  initial condition shown in Fig.2.

  The bottle is prepared in the

  filleting with thread 19 and filling it with sparkling wine. We then introduce before all the cap 8

  in the neck 2 in the axial direction.

  This introduction is easily made

  killed with a pusher acting on the bottom of the seat 28 and which therefore introduces the plug by subjecting it to a

  tensile force instead of compressive force.

  When the plug 8 has been inserted, the element 25 is secured in the axial direction.

  mushroom shape and the cap 15, introducing

  the foot 26 into the cap 25, so that the cap 27 fits inside the projecting rim 30 and the annular projection 31 engages

  by snapping into the annular recess 32.

At this time, with a tooling

  proprié, for example with a bell whose interior

  is made of rubber, the hood 25 and the

  25 in the form of a mushroom in meshing by

  screwing with the bottle 3 and the cap 8 respec-

  until the bosses 18

  ru the threads 20 during screwing, occupy the seats 23 defined by the horizontal sections 21 and

  the vertical sections 22 of the nets.

  In this coidition, the cap 8 is pressed against the neck of the bottle. In addition, the flat head 13 of the cap is compressed between the edge of the neck of the bottle and the annular flange 17. This head is held in this position with a

predetermined compression.

  In addition, foot 26 is introduced

  in the seat 28, the flanges 33 being engaged

  irreversibly in the throats 36.

  In this condition, shown on

  Fig.2, the closure is implemented and the

teille is closed.

  To open the bottle, simply act on the cap 15. After a first low amplitude rotation during which the bosses 18 travel again horizontal sections 21, begins the removal of the cap. This removal is favored by the pressure of the sparkling gases and it is caused in any case by the meshing of unscrewing bosses 18 with the threads 20 of the thread 19o During this removal, the cap acts via its annular rim

  17 on the hat 27 of the field-shaped element

  gnon which serves as a corkscrew vis-à-vis the cap 8.

  The complete removal without effort of the assembly formed by the cap, the

  cap and mushroom shaped element.

  If it is necessary to close the bottle, the above set can be handed over

  place on the bottle by simply screwing

  in the opposite direction the maneuvers described above.

for the opening.

  The closure according to the invention has withstood higher values of gas pressures

without it giving way.

  Indeed, the cap is effectively maintained by the cap which is in turn maintained in the axial direction on the bottle by meshing

  bosses with the horizontal sections of the nets.

  Despite this, the closure according to the invention allows the opening of the bottle without

no effort.

  Another advantage of the closure

  the invention lies in its simple construction and the speed with which it is

  work during bottling.

  Indeed, this closure is

  killed of a limited number of elements that are all

simple structure.

  Thanks to the particular shape of the

  chon, and on contact with the neck of the bottle

  between the edge of the latter and the cap, a seal

  Optimal stability is always guaranteed, even in the case of wide tolerances on the neck dimensions of the

bottle.

  Thanks to the waterproof coating of the stopper, it is at the same time completely avoided that the foam evaporates through the material of the stopper and that the foam eventually takes the bad residual taste from the gases used for the manufacture of expanded polyethylene. of the cap. In addition, the waterproofing coating allows a reduction in overall manufacturing costs of the closure

  as long as we can use for the stopper a

  with non-toxic atoxic characteristics

  your. It should also be noted that the

  closing according to the invention makes it possible to quickly close

  the bottle as needed.

  Another advantage, and that is not the

  last at least in the eyes of traditional consumers.

  tionalists, is that the closure according to the invention

  looks like the plugs of

his classics.

Claims (5)

CLAIMS 1D. Closure (1) for bottle of sparkling wine and similar beverages, characterized in that it comprises a cap (8) in the neck (2) of the bottle (3), a cap (15) exerting a pressure on the cap, this cap being coaxial with the cap and screwing appreciably on the neck of the bottle, and means (24) solidarisant in the axial direction the cap (8) to the cap (15) during unscrewing of the cap.   2. Closure according to claim 1, characterized in that the securing means (24) comprise a mushroom-shaped element (25) whose foot (26) meshes with the stopper (8) and whose   the cap (27) caps the cap (15).   3. Closure according to the claim   2, characterized in that it comprises a seat cy-   lindrique (28) made along the same axis as the   chon (8), the foot being engaged with a predetermined force completed in this seat.   4. Closure according to claim 3, characterized in that it comprises means for   retainer (29) between the foot (26) and the seat (28).    . Closure according to claim 4,   characterized in that the retaining means (29) comprises   carry at least one annular flange (33)   sawtooth build up on the foot (26) and cooperating with the plug (8).   Closure according to claim 3, characterized in that the seat (28) extends over   most of the length of the plug (8).   7. Closing according to claim 1, characterized in that the cap (15) is internally provided with at least one boss (18) for meshing by screwing with at least one helical thread.   (20) provided on the job (2) of the bottle (3).   8th. Closure according to claim 7,   characterized in that the thread (20) has a section   horizontal section (21) for holding the boss (18) in the axial direction. 90. A closure according to claim 1,   characterized in that the plug (8) comprises a waterproofing garment (8a).