FR2490595A1 - Plastics containers moulded with integral internal transverse ribs - for dimensional stability when confining pressures of up to 25 atmospheres - Google Patents

Plastics containers moulded with integral internal transverse ribs - for dimensional stability when confining pressures of up to 25 atmospheres Download PDF

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Publication number
FR2490595A1
FR2490595A1 FR8102536A FR8102536A FR2490595A1 FR 2490595 A1 FR2490595 A1 FR 2490595A1 FR 8102536 A FR8102536 A FR 8102536A FR 8102536 A FR8102536 A FR 8102536A FR 2490595 A1 FR2490595 A1 FR 2490595A1
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FR
France
Prior art keywords
container
atmospheres
dimensional stability
transverse ribs
moulded
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.)
Withdrawn
Application number
FR8102536A
Other languages
French (fr)
Inventor
Giovanni Patti
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.)
MATICPLAST Srl
Original Assignee
MATICPLAST Srl
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 MATICPLAST Srl filed Critical MATICPLAST Srl
Publication of FR2490595A1 publication Critical patent/FR2490595A1/en
Withdrawn legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C65/00—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor
    • B29C65/02—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure
    • B29C65/08—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using ultrasonic vibrations
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/01—General aspects dealing with the joint area or with the area to be joined
    • B29C66/05—Particular design of joint configurations
    • B29C66/10—Particular design of joint configurations particular design of the joint cross-sections
    • B29C66/12—Joint cross-sections combining only two joint-segments; Tongue and groove joints; Tenon and mortise joints; Stepped joint cross-sections
    • B29C66/128—Stepped joint cross-sections
    • B29C66/1282—Stepped joint cross-sections comprising at least one overlap joint-segment
    • B29C66/12821—Stepped joint cross-sections comprising at least one overlap joint-segment comprising at least two overlap joint-segments
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/01—General aspects dealing with the joint area or with the area to be joined
    • B29C66/05—Particular design of joint configurations
    • B29C66/10—Particular design of joint configurations particular design of the joint cross-sections
    • B29C66/12—Joint cross-sections combining only two joint-segments; Tongue and groove joints; Tenon and mortise joints; Stepped joint cross-sections
    • B29C66/128—Stepped joint cross-sections
    • B29C66/1284—Stepped joint cross-sections comprising at least one butt joint-segment
    • B29C66/12841—Stepped joint cross-sections comprising at least one butt joint-segment comprising at least two butt joint-segments
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/50—General aspects of joining tubular articles; General aspects of joining long products, i.e. bars or profiled elements; General aspects of joining single elements to tubular articles, hollow articles or bars; General aspects of joining several hollow-preforms to form hollow or tubular articles
    • B29C66/51—Joining tubular articles, profiled elements or bars; Joining single elements to tubular articles, hollow articles or bars; Joining several hollow-preforms to form hollow or tubular articles
    • B29C66/54—Joining several hollow-preforms, e.g. half-shells, to form hollow articles, e.g. for making balls, containers; Joining several hollow-preforms, e.g. half-cylinders, to form tubular articles
    • B29C66/542—Joining several hollow-preforms, e.g. half-shells, to form hollow articles, e.g. for making balls, containers; Joining several hollow-preforms, e.g. half-cylinders, to form tubular articles joining hollow covers or hollow bottoms to open ends of container bodies
    • 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
    • B65D1/40—Details of walls
    • B65D1/42—Reinforcing or strengthening parts or members
    • 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
    • B65D11/00—Containers having bodies formed by interconnecting or uniting two or more rigid, or substantially rigid, components made wholly or mainly of plastics material
    • B65D11/20—Details of walls made of plastics material
    • B65D11/22—Reinforcing for strengthening parts of members

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Ceramic Engineering (AREA)
  • Containers Having Bodies Formed In One Piece (AREA)
  • Details Of Rigid Or Semi-Rigid Containers (AREA)

Abstract

A plastic container for holding pressurised fluids is moulded with internal ribs to provide transverse ties for the major face panels. Esp. suitable for alcohol-based perfumes etc. stored and dispensed in portions using internal pressures of e.g. 5-25 atm. generated by gaseous or mechanical means. Pref. the container body is made as a tubular profile with integral ribs by injection moulding or extrusion and then is fitted with a suitable prefabricated base and/or top by e.g. ultrasonic welding. Opt. the internal ribs incorporate an annular section coaxial with the container body and slightly shorter to allow the contents free access to a concentric container neck/mouth.

Description

La présente invention concerne en général des flacons ou récipients similaires capables de contenir des liquides sous pression, en particulier en matière plastique, lesquels sont particulièrement résistants et aptes à supporter des pressions intérieures très élevées. The present invention generally relates to bottles or similar containers capable of containing liquids under pressure, in particular of plastic material, which are particularly resistant and able to withstand very high internal pressures.

I1 est connu qu'au point de vue de l'inertie chimique, la matière plastique est, dans la plupart des cas, comparable et même supérieure à celle du verre. Sa transparence, sa facilité à être facilement teintée conjointement à sa propriété de légèreté et de résistance, et enfin son coût réduit présentent l'avantage de pouvoir servir notamment à la confection de récipients destinés à contenir, entre autres, des liquides à base d'alcool. It is known that from the point of view of chemical inertness, the plastic material is, in most cases, comparable and even superior to that of glass. Its transparency, its ease of being easily tinted together with its property of lightness and resistance, and finally its reduced cost have the advantage of being able to be used in particular for making containers intended to contain, inter alia, liquids based on alcohol.

Lorsque le récipient doit débiter son contenu par vaporisation, on insère un élément diffuseur de manière à provoquer l'échappement du liquide, même d'une manière dosée, en agissant sur une soupape, cet ensemble étant appliqué d'une manière étanche sur le col du récipient. When the container is to deliver its contents by vaporization, a diffusing element is inserted so as to cause the escape of the liquid, even in a metered manner, by acting on a valve, this assembly being applied in a sealed manner to the neck of the container.

On a déjà réalisé des bombes en matière plastique de ce genre, surtout pour des parfums sous une pression de l'ordre de 5 atm ou davantage.Dans ce but, les récipients concernés accusent des parois de résistance appropriée. Mais malgré cette précaution, ces parois, au bout d'un certain temps et sous l'influence de la pression à l'intérieur, finissent par se déformer et prennent un aspect déplaisant. Plastic bombs of this kind have already been produced, especially for perfumes under a pressure of the order of 5 atm or more. To this end, the receptacles concerned show walls of suitable resistance. But despite this precaution, these walls, after a certain time and under the influence of the pressure inside, end up deforming and taking on an unpleasant appearance.

Le but de la présente invention consiste à éviter l'inconvénient ci-dessus grâce à un flacon ou récipient semblable en matière plastique, pouvant contenir des liquides sous pression, et capable de conserver inaltérée sa forme originale jusqu'à épuisement du contenu. The object of the present invention is to avoid the above drawback thanks to a similar plastic bottle or container, which can contain liquids under pressure, and capable of retaining its original shape unaltered until the contents are exhausted.

A cet effet, suivant l'invention, le récipient en matière plastique est renforcé à l'intérieur par un entretoisement, cet ensemble étant moulé en une pièce unique, de façon que ses parois soient à même de résister à une pression intérieure intense. To this end, according to the invention, the plastic container is reinforced inside by a bracing, this assembly being molded in a single piece, so that its walls are able to withstand intense internal pressure.

Cet entretoisement est constitué par une douille prévue au centre du récipient et comportant des ailettes de jonction, adhérant sur toute la longueur à des parois opposées du récipient et, préférablement à celles de la surface la plus étendue. This bracing consists of a socket provided in the center of the container and comprising junction fins, adhering over the entire length to opposite walls of the container and, preferably to those of the most extensive surface.

Pour des raisons de commodité de moulage, il y a intérêt de prévoir un fond rapporté relié au contour du récipient au moyen de soudure par ultra-sons, de manière à faire corps avec lui. For reasons of convenience of molding, it is advantageous to provide an added base connected to the outline of the container by means of ultrasonic welding, so as to form a body with it.

Le dessin annexé représente à titre d'exemple non limitatif, une des nombreuses formes d'exécution possibles de l'objet de l'invention.  The accompanying drawing shows by way of nonlimiting example, one of the many possible embodiments of the subject of the invention.

La figure 1 montre en élévation-coupe suivant le plan
I-I de la figure 3, un tel récipient en matière plastique ;
La figure 2 se rapporte à une élévation en coupe orthogonale suivant le plan II-II de la figure 3,
La figure 3 est une coupe transversale suivant le plan
III-III de la figure 1.Figure 1 shows in sectional elevation according to the plan
II of Figure 3, such a plastic container;
FIG. 2 relates to an elevation in orthogonal section along the plane II-II of FIG. 3,
Figure 3 is a cross section along the plane
III-III of figure 1.

Le récipient en matière plastique selon la présente invention désigné par 1 dans son ensemble, affecte ici une forme sensiblement parallélépipèdique à section rectangulaire, avec un goulot cylindrique 2 et collerette 3, cette dernière étant prévue pour raccorder une soupape dite "spray", éventuellement du type vaporisant ou à débit dosé (non représentée). The plastic container according to the present invention designated by 1 as a whole, here assumes a substantially rectangular shape with rectangular section, with a cylindrical neck 2 and collar 3, the latter being provided for connecting a valve called "spray", possibly of the vaporizing or metered flow type (not shown).

Le fond 4 du récipient est moulé séparément et ensuite raccordé au moyen de soudure par ultra-sons au reste du corps du récipient, pour former avec lui un ensemble inséparable. A l'intérieur du récipient ainsi constitué est disposée, venue de moulage, une douille 4, avec ailettes 6 liées aux faces intérieures des parois. Ces ailettes 6 s'étendent sur toute la longueur de la douille 5, c'est-à-dire depuis son extrémité inférieure jusqu'à la naissance du goulot 2 du récipient, tandis que la douille 5 elle-même se termine à une faible distance du goulot, de manière à réserver une ouverture 7 pour le passage du liquide.The bottom 4 of the container is molded separately and then connected by means of ultrasonic welding to the rest of the body of the container, to form with it an inseparable assembly. Inside the container thus formed is arranged, coming from molding, a socket 4, with fins 6 linked to the interior faces of the walls. These fins 6 extend over the entire length of the sleeve 5, that is to say from its lower end until the birth of the neck 2 of the container, while the sleeve 5 itself ends at a low distance from the neck, so as to reserve an opening 7 for the passage of the liquid.

Les ailettes 6 sont avantageusement disposées de façon à entretoiser, avec interposition de la douille 5, les parois du récipient les plus larges, c'est-à-dire celles subissant par leur étendue la plus grande pression exercée par le liquide et où le risque de se déformer est le plus grand.Ainsi la rigidité obtenue pour ces parois renforce considérablement celles-ci. The fins 6 are advantageously arranged so as to brace, with the interposition of the sleeve 5, the walls of the widest container, that is to say those undergoing by their extent the greatest pressure exerted by the liquid and where the risk to deform is the greatest. Thus the rigidity obtained for these walls considerably strengthens them.

Les récipients selon la présente invention peuvent en particulier prendre la forme de flacons destinés à contenir des parfums ou des liquides à base alcoolique, quoique leur emploi ne se limite pas à ce genre d'applications. Bien au contraire, n'importe quel liquide sous pression peut entrer en ligne de compte. The containers according to the present invention can in particular take the form of bottles intended to contain perfumes or liquids based on alcohol, although their use is not limited to this kind of applications. On the contrary, any liquid under pressure can be taken into account.

Dans la forme d'exécution illustrée sur le dessin, il n'est prévu que deux ailettes 6 de renforcement diamétralement opposées, mais suivant les aspects particuliers pouvant être choisis pour les récipients destinés à contenir des liquides sous pression l'adoption d'un plus grand nombre d'ailettes est concevable. In the embodiment illustrated in the drawing, only two diametrically opposite reinforcing fins 6 are provided, but depending on the particular aspects which can be chosen for the containers intended to contain liquids under pressure, the adoption of a more large number of fins is conceivable.

On a constaté qu'un tel récipient renforcé suivant la présente invention, peut supporter des pressions allant jusqu'à 25 atm sans la moindre déformation pendant toute la période de son emploi.  It has been found that such a reinforced container according to the present invention can withstand pressures of up to 25 atm without any deformation during the whole period of its use.

I1 ressort de la description ci-dessus que le flacon renforcé suivant l'invention est obtenu en une opération de moulage unique, par injection d'une matière plastique, le fond étant appliqué au corps au moyen d'une soudure par ultra-sons, l'ensemble obtenu étant très résistant et d'un coût réduit.  It emerges from the above description that the reinforced bottle according to the invention is obtained in a single molding operation, by injection of a plastic material, the base being applied to the body by means of ultrasonic welding, the assembly obtained being very resistant and of a reduced cost.

Claims (3)

REVENDICATIONS 1. Flacon ou récipient similaire en matière plastique, capable de contenir des liquides sous pression, caractérisé en ce qu'il comprend un corps renforcements intérieurs, obtenus d'une pièce pendant l'opération de moulage de façon à conférer-aux parois la résistance nécessaire contre les déformations. 1. Vial or similar container made of plastic, capable of containing liquids under pressure, characterized in that it comprises an internal reinforcement body, obtained in one piece during the molding operation so as to confer on the walls the resistance necessary against deformation. 2. Flacon ou récipient similaire selon la revendication 1, caractérisé en ce que les moyens de renforcement intérieur sont constitués par des entretoises formées par une douille comportant des ailettes opposées, reliant sur toute la longueur les parois et préférablement celles à surfaces les plus étendues. 2. Bottle or similar container according to claim 1, characterized in that the internal reinforcement means consist of spacers formed by a bushing having opposite fins, connecting the entire length of the walls and preferably those with the most extensive surfaces. 3. Flacon ou récipient similaire selon les revendications 1 et 2, caractérisé en ce que le fond de celui-ci est rapporté et assemblé au moyen de soudure par ultra-sons au reste du corps. du récipient.  3. Bottle or similar container according to claims 1 and 2, characterized in that the bottom thereof is attached and assembled by means of ultrasonic welding to the rest of the body. of the container.
FR8102536A 1980-09-24 1981-02-06 Plastics containers moulded with integral internal transverse ribs - for dimensional stability when confining pressures of up to 25 atmospheres Withdrawn FR2490595A1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT8022924U IT8022924V0 (en) 1980-09-24 1980-09-24 BOTTLE IN PLASTIC MATERIAL SUITABLE FOR CONTAINING LIQUIDS UNDER PRESSURE.

Publications (1)

Publication Number Publication Date
FR2490595A1 true FR2490595A1 (en) 1982-03-26

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Application Number Title Priority Date Filing Date
FR8102536A Withdrawn FR2490595A1 (en) 1980-09-24 1981-02-06 Plastics containers moulded with integral internal transverse ribs - for dimensional stability when confining pressures of up to 25 atmospheres

Country Status (2)

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FR (1) FR2490595A1 (en)
IT (1) IT8022924V0 (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2567851A1 (en) * 1984-07-17 1986-01-24 Oreal Container made of plastic material comprising an attached bottom provided with a stiffener
US5242066A (en) * 1988-11-16 1993-09-07 Whitbread & Company Plc Plastic bottles and similar containers having internal spiders

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2567851A1 (en) * 1984-07-17 1986-01-24 Oreal Container made of plastic material comprising an attached bottom provided with a stiffener
US5242066A (en) * 1988-11-16 1993-09-07 Whitbread & Company Plc Plastic bottles and similar containers having internal spiders

Also Published As

Publication number Publication date
IT8022924V0 (en) 1980-09-24

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