FR2674845A1 - Process for the manufacture of a receptacle by the "suction-blowing" technique in glass and crystal manufacture, device for its use, products thus obtained - Google Patents

Process for the manufacture of a receptacle by the "suction-blowing" technique in glass and crystal manufacture, device for its use, products thus obtained Download PDF

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Publication number
FR2674845A1
FR2674845A1 FR9104318A FR9104318A FR2674845A1 FR 2674845 A1 FR2674845 A1 FR 2674845A1 FR 9104318 A FR9104318 A FR 9104318A FR 9104318 A FR9104318 A FR 9104318A FR 2674845 A1 FR2674845 A1 FR 2674845A1
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France
Prior art keywords
addition
core
suction
manufacture
blowing
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FR9104318A
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French (fr)
Inventor
Meissirel-Marquot Henri
Nancey Jacques
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Champagne SA Cristalleries Roy
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Champagne SA Cristalleries Roy
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Application filed by Champagne SA Cristalleries Roy filed Critical Champagne SA Cristalleries Roy
Priority to FR9104318A priority Critical patent/FR2674845A1/en
Publication of FR2674845A1 publication Critical patent/FR2674845A1/en
Withdrawn legal-status Critical Current

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Classifications

    • CCHEMISTRY; METALLURGY
    • C03GLASS; MINERAL OR SLAG WOOL
    • C03BMANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
    • C03B9/00Blowing glass; Production of hollow glass articles
    • C03B9/20Blowing glass; Production of hollow glass articles in "vacuum blowing" or in "vacuum-and-blow" machines
    • C03B9/24Construction of the blank mould
    • CCHEMISTRY; METALLURGY
    • C03GLASS; MINERAL OR SLAG WOOL
    • C03BMANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
    • C03B9/00Blowing glass; Production of hollow glass articles
    • C03B9/30Details of blowing glass; Use of materials for the moulds
    • C03B9/31Blowing laminated glass articles or glass with enclosures, e.g. wires, bubbles

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Manufacturing & Machinery (AREA)
  • Materials Engineering (AREA)
  • Organic Chemistry (AREA)
  • Table Devices Or Equipment (AREA)

Abstract

Process for the manufacture of receptacles of various shapes by the so-called "suction-blowing" technique in glass and crystal manufacture, characterised in that on the core of the blanking mould there is arranged before the suction stage an addition (4) of different nature from the mass forming the body of the final product, which addition, after blowing, will form an internal coating layer for protecting and/or decorating the product thus obtained.

Description

La présente invention a pour objet un perfectionnement aux procédés pour la fabrication en verrerie-cristallerie de récipients de formes diverses par la technique dite "aspiré-soufflé". The present invention relates to an improvement to the processes for the manufacture in glassware-crystalware of containers of various shapes by the technique known as "vacuum-blown".

L'invention a également pour objet un dispositif pour la mise en oeuvre dudit procédé ainsi que les produits ainsi obtenus. The invention also relates to a device for the implementation of said process as well as the products thus obtained.

Dans ce qui suit on fera expressément référence à une technique dite "aspiré-soufflé", bien connue de l'homme de l'art, qui consiste à disposer une masse visqueuse de verre ou cristal dans un moule ébaucheur par aspiration puis à souffler cette masse, après retournement, dans un moule finisseur. In what follows, reference will be made expressly to a technique called "aspirated-blown", well known to those skilled in the art, which consists in placing a viscous mass of glass or crystal in a roughing mold by suction and then blowing this mass, after turning, in a finishing mold.

Dans les récipients connus, en particulier alimentaires, il est impératif d'éviter la contamination possible du contenu par le matériau constitutif du récipient. Ainsi, il est essentiel d'éviter la migration de produits nocifs pour la consommateur tels que le plomb du cristal et/ou le cadmium des verres et cristaux en contenant, ces produits étant excessivement toxiques pour le corps humain car non rejetés par celui-ci (saturnisme, action sur les os, les reins et même sur les gênes...). Ceci est plus particulièrement critique pour des produits (contenus) à propriétés acides et dissolvantes amenés à séjourner longtemps dans un même récipient, en particulier des alcools tels que cognac, champagne, whisky, etc... In known containers, in particular food, it is imperative to avoid possible contamination of the content by the material of the container. It is therefore essential to avoid the migration of products harmful to the consumer, such as lead in crystal and / or cadmium in glasses and crystals containing them, these products being excessively toxic to the human body because they are not rejected by it. (lead poisoning, action on the bones, the kidneys and even on the genes ...). This is more particularly critical for products (contents) with acid and dissolving properties which have to stay for a long time in the same container, in particular alcohols such as cognac, champagne, whiskey, etc ...

Parallèlement à ce souci, il existe également une demande pour la réalisation de conteneurs à effets décoratifs éventuellement par apport de matières colorees. In addition to this concern, there is also a demand for the production of containers with decorative effects, possibly by adding colored materials.

Dans les deux domaines précités, il est essentiel de maintenir la brillance, l'indice de réfraction, la sonorité, en particulier dans le cas du cristal, tout en apportant une solution aux problèmes rencontrés. In the two aforementioned fields, it is essential to maintain the brightness, the refractive index, the sound, in particular in the case of crystal, while providing a solution to the problems encountered.

Dans les procédés connus, soit il y a modification des qualités intrinsèques du produit (optique, sonorité), soit la qualification "alimentaire" ne peut être raisonnablement garantie (migration en particulier du plomb) sauf à faire appel aux matériaux synthetiques (PVC, PET, etc...). In the known processes, there is either a modification of the intrinsic qualities of the product (optics, sound), or the qualification "food" cannot be reasonably guaranteed (migration in particular of lead) except by using synthetic materials (PVC, PET , etc ...).

L'invention a pour but de remédier à ces inconvénients des procédés et produits de l'art antérieur. The object of the invention is to remedy these drawbacks of the methods and products of the prior art.

Conformément à l'invention on propose à cette fin un procédé pour la fabrication en verrerie-cristallerie de récipients de formes diverses par la technique dite "aspiré-soufflé", caractérisé en ce que sur le noyau du moule-ébaucheur on dispose avant la phase d'aspiration un ajout de nature différente de la masse constituant le corps du produit final, ajout qui, après soufflage, constituera une couche de revêtement interne de protection et/ou de décoration du produit ainsi obtenu. In accordance with the invention, a process is proposed for this purpose for the manufacture in glassware-crystalware of containers of various shapes by the so-called "vacuum-blown" technique, characterized in that, before the phase of the blank-mold, the phase is arranged suction an addition of a different nature from the mass constituting the body of the final product, addition which, after blowing, will constitute a layer of internal coating for protection and / or decoration of the product thus obtained.

L'invention concerne egalement les dispositifs spécifiques de noyau pour la mise en oeuvre de ce procédé. The invention also relates to the specific core devices for implementing this method.

On comprendra mieux l'invention à l'aide de la description d'un certain nombre de modes de mise en oeuvre du procédé selon l'invention en référence aux dessins annexés dans lesquels - la figure 1A est une vue schématique en coupe illustrant un procédé "aspiré-soufflé" en phase de fin d'aspiration ; - la figure 1B est une vue schématique en coupe illustrant un procédé "aspire-souffle" en phase de fin de soufflage avec vue en coupe partielle d'une phase intermédiaire ; - les figures 2A et 2B sont des representations identiques aux figures 1A et 1B avec le perfectionnement selon l'invention ;; - les figures 5 à 11, illustrent en coupe des variantes possibles au niveau du noyau du moule ébaucheur - les figures 12A, 12B, 12C, 12D sont des variantes en coupe selon X-X de l'ajout de la figure 10. The invention will be better understood on the basis of the description of a certain number of modes of implementing the method according to the invention with reference to the appended drawings in which - FIG. 1A is a schematic sectional view illustrating a method "sucked-blown" in the end of suction phase; - Figure 1B is a schematic sectional view illustrating a "suction-blast" process in the end of blowing phase with partial sectional view of an intermediate phase; - Figures 2A and 2B are representations identical to Figures 1A and 1B with the improvement according to the invention; - Figures 5 to 11, illustrate in section possible variants at the level of the core of the blank mold - Figures 12A, 12B, 12C, 12D are variants in section along X-X of the addition of Figure 10.

Dans le procédé "aspiré-soufflé" actuellement utilisé, représenté aux figures 1A, 1B, on dépose dans un moule ébaucheur (10), une masse de matière visqueuse façonnable (5) (cristal, verre, opaline, etc...). La partie inferieure de la masse (5) est aspirée autour d'un noyau (1) pour former le col (2) de la pièce à souffler. Apres retrait du noyau (1) et ouverture du moule ébaucheur (10), l'ensemble maintenu par la bague ouvrante (3) enserrant le col (2), est retourné et transferé dans un moule finisseur (6). La masse (5) est alors soufflée -passage par la forme (7)- pour obtenir sa forme définitive. In the “suction-blown” process currently used, represented in FIGS. 1A, 1B, a mass of shapeable viscous material (5) (crystal, glass, opaline, etc.) is deposited in a blank mold. The lower part of the mass (5) is sucked around a core (1) to form the neck (2) of the part to be blown. After removal of the core (1) and opening of the blank mold (10), the assembly held by the opening ring (3) enclosing the neck (2), is turned over and transferred to a finishing mold (6). The mass (5) is then blown - passing through the form (7) - to obtain its final form.

Le procédé faisant l'objet de la présente invention, représenté aux figures 2A et 2B est caractérisé par la pose sur le noyau (1) du moule ébaucheur (10) d'un ajout (4) de matière choisie pour constituer la couche interne (9). Puis on suit le processus énoncé ci-dessus, en déposant dans le moule d'ébauche (10) la masse fondue (5) nécessaire à la fabrication de l'objet. L'ajout (4), en contact avec la masse fondue (5), reste colle à celle-ci et se développe avec elle lors du soufflage. On obtient ainsi le doublage intérieur de la pièce (8) par une couche mince d'une autre matière (9). The process which is the subject of the present invention, represented in FIGS. 2A and 2B, is characterized by the placing on the core (1) of the blank mold (10) of an addition (4) of material chosen to constitute the internal layer ( 9). Then we follow the process outlined above, depositing in the blank mold (10) the melt (5) necessary for the manufacture of the object. The addition (4), in contact with the melt (5), remains bonded to it and develops with it during the blowing. The inner lining of the part (8) is thus obtained by a thin layer of another material (9).

Le dispositif est caractérisé en outre par la forme spécifique du noyau (I) déterminée en fonction de la nature et de la forme de l'ajout (4). The device is further characterized by the specific shape of the core (I) determined according to the nature and shape of the addition (4).

En fonction du résultat final recherché et des conditions d'utilisation le noyau pourra être en tout matériau tel que, non limitativement : acier , fonte, graphite, céramique, matières composites, il est porté à la température adaptée pour ne pas briser un ajout solide ou coller sur un ajout quelque soit sa nature physico-chimique. Depending on the desired end result and the conditions of use, the core can be made of any material such as, without limitation: steel, cast iron, graphite, ceramic, composite materials, it is brought to the appropriate temperature so as not to break a solid addition or stick to an addition whatever its physico-chemical nature.

De même, l'ajout (4) utilisé peut varier, en forme et en matière, en fonction des objectifs poursuivis : forme de l'objet à produire, type d'isolation recherchee (chimique, thermique, rayonnement, etc...), coloration simple ou multiple. Similarly, the addition (4) used may vary, in form and in material, depending on the objectives pursued: shape of the object to be produced, type of insulation sought (chemical, thermal, radiation, etc.) , single or multiple coloring.

On veillera bien entendu à la compatibilité au refroidissement du revêtement et du matériau du corps du produit afin d'éviter des dilatations différentielles. It will of course be ensured that the coating and the material of the body of the product are compatible with cooling in order to avoid differential expansion.

L'ajout (4), comme indiqué ci-dessus, pourra être modifié en fonction du but recherche et des matériaux utilisés. De même la forme de l'ajout (1) sera adaptée. Addition (4), as indicated above, may be modified depending on the purpose and the materials used. Likewise, the form of the addition (1) will be adapted.

Si l'on fait référence aux figures 5à 11 - figure 5 : on y a représenté un ajout (14) rigide de forme longue centre sur un noyau (11) à forme adaptée - figure 6 : il s'agit d'une variante de la figure 5 avec ajout (24) de forme aplatie comportant un plôt de centrage sur le noyau (21), muni d'une structure réceptrice correspondante - figure 7 : il s'agit d'une variante avec ajout (34) disposé dans une cuvette du noyau (31), plus particulièrement pour un ajout en matière visqueuse ou liquide. If we refer to Figures 5 to 11 - Figure 5: there is shown a rigid addition (14) of long center shape on a core (11) of suitable shape - Figure 6: it is a variant of FIG. 5 with addition (24) of flattened shape comprising a centering point on the core (21), provided with a corresponding receiving structure - FIG. 7: this is a variant with addition (34) arranged in a core bowl (31), more particularly for adding viscous or liquid material.

- figure 8 : il s'agit d'une variante avec ajout (44) disposé dans une cuvette du noyau (41), plus particulierement pour un ajout en matière pulvérulente ou frittée - figure 9 : il s'agit d'une variante avec ajout (54) disposé sur le noyau (51), avec centrage, l'ajout étant rigide multicolore et/ou multicouche - figure 10 : on dispose un ajout (64) sur un noyau support (61) avec des réactions différentes selon X-X illustrées aux figures 12A à 12D, en fonction des effets décoratifs esthétiques recherchés à savoir - figure 12A : section (64a) carrée, - figure 12B : section (64b) triangulaire, - figure 12C : section (64c) circulaire, - figure 12D : section (64d) de forme inscrite dans un losange.- Figure 8: this is a variant with addition (44) arranged in a bowl of the core (41), more particularly for an addition of pulverulent or sintered material - Figure 9: it is a variant with addition (54) arranged on the core (51), with centering, the addition being rigid multicolored and / or multilayer - Figure 10: there is an addition (64) on a support core (61) with different reactions according to XX illustrated in FIGS. 12A to 12D, as a function of the desired decorative decorative effects, namely - FIG. 12A: square section (64a), - FIG. 12B: triangular section (64b), - FIG. 12C: circular section (64c), - FIG. 12D: section (64d) of form inscribed in a rhombus.

Enfin, on a représenté à la figure ll un mode de mise en oeuvre, dans lequel l'ajout (74) visqueux deborde par aspiration au-del du col du récipient pour être ensuite coupe ou scie à froid. Finally, there is shown in Figure ll an embodiment, in which the viscous addition (74) overflows by suction beyond the neck of the container to be then cut or cold saw.

De maniere connue de l'homme de l'art, on prêvoiera éventuellement dans le noyau la possibilité de trous de soufflage. In a manner known to those skilled in the art, the possibility of blowing holes may be provided in the core.

On ne sortirait pas du cadre de l'invention en prevoyant un noyau double concentrique (non représenté) pour recevoir et injecter au travers de celui-ci la matière constituant l'ajout (4).  It would not go beyond the ambit of the invention to provide a concentric double core (not shown) for receiving and injecting through it the material constituting the addition (4).

Claims (10)

REVENDICATIONS 1. Procédé pour la fabrication en verrerie-cristallerie de récipients de formes diverses par la technique dite "aspire-soufflé", caractérisé en ce que sur le noyau du moule-ébaucheur on dispose avant la phase d'aspiration un ajout (4) de nature différente de la masse constituant le corps du produit final, ajout qui, après soufflage, constituera une couche de revêtement interne de protection et/ou de décoration du produit ainsi obtenu.1. Method for the manufacture in glassware-crystalware of containers of various shapes by the technique known as "suction-blown", characterized in that on the core of the blank-mold there is before the suction phase an addition (4) of different nature of the mass constituting the body of the final product, addition which, after blowing, will constitute a layer of internal coating for protection and / or decoration of the product thus obtained. 2. Procédé selon la revendication 1, caractérisé en ce que l'ajout (14) est rigide de forme longue et centré sur un noyau (11) à forme adaptée.2. Method according to claim 1, characterized in that the addition (14) is rigid in long form and centered on a core (11) of suitable shape. 3. Procédé selon la revendication 7, caractérisé en ce que l'ajout (24) est de forme aplatie comportant un plôt de centrage sur le noyau (21), muni d'une structure réceptrice correspondante.3. Method according to claim 7, characterized in that the addition (24) is of flattened shape comprising a centering point on the core (21), provided with a corresponding receiving structure. 4. Procédé selon la revendication 1, caractérisé en ce que l'ajout (34) est disposé dans une cuvette du noyau (31), pour un ajout en matière visqueuse ou liquide.4. Method according to claim 1, characterized in that the addition (34) is arranged in a bowl of the core (31), for an addition of viscous or liquid material. 5. Procédé selon la revendication 1, caractérisé en ce que l'ajout (44) est disposé dans une cuvette du noyau (41), pour un ajout en matière pulvérulente ou frittée.5. Method according to claim 1, characterized in that the addition (44) is arranged in a bowl of the core (41), for an addition of pulverulent or sintered material. 6. Procédé selon la revendication 1, caractérisé en ce que l'ajout (54) est disposé sur le noyau (51), avec centrage, l'ajout etant rigide multicolore et/ou multicouche.6. Method according to claim 1, characterized in that the addition (54) is arranged on the core (51), with centering, the addition being rigid multicolored and / or multilayer. 7. Procédé selon la revendication 1, caractérisé en ce que l'ajout a une section choisie parmi une section carrée, triangulaire, circulaire, inscrite dans un losange.7. Method according to claim 1, characterized in that the addition has a section chosen from a square, triangular, circular section, inscribed in a rhombus. 8. Procédé selon la revendication 1, caractérise en ce que l'ajout (74) visqueux déborde par aspiration au delà du col du récipient.8. Method according to claim 1, characterized in that the viscous addition (74) overflows by suction beyond the neck of the container. 9. Dispositif d'aspiration-soufflage pour la mise en oeuvre du procéde selon l'une quelconque des revendications 1 à 8, caractérisé en ce qu'il comporte un noyau (1,11,21,31,41,51,61) servant de support à un ajout (4,14,24,34,44,54,64) qui y est disposé avant l'aspiration.9. suction-blowing device for implementing the method according to any one of claims 1 to 8, characterized in that it comprises a core (1,11,21,31,41,51,61) serving as support for an addition (4,14,24,34,44,54,64) which is arranged there before the aspiration. 10. Produit de verrerie-cristallerie, caractérisé en ce qu'il est obtenu par la mise en oeuvre du procedé selon l'une quelconque des revendications 1 à 8. 10. Glassware-crystal product, characterized in that it is obtained by implementing the method according to any one of claims 1 to 8.
FR9104318A 1991-04-05 1991-04-05 Process for the manufacture of a receptacle by the "suction-blowing" technique in glass and crystal manufacture, device for its use, products thus obtained Withdrawn FR2674845A1 (en)

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FR9104318A FR2674845A1 (en) 1991-04-05 1991-04-05 Process for the manufacture of a receptacle by the "suction-blowing" technique in glass and crystal manufacture, device for its use, products thus obtained

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FR9104318A FR2674845A1 (en) 1991-04-05 1991-04-05 Process for the manufacture of a receptacle by the "suction-blowing" technique in glass and crystal manufacture, device for its use, products thus obtained

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Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1770335A (en) * 1928-07-31 1930-07-08 Gen Electric Method and apparatus for making blown-glass articles
FR731173A (en) * 1931-08-31 1932-08-30 Hartford Empire Co Improvements in the manufacture of hollow glass objects
DE582281C (en) * 1931-12-08 1933-08-11 Oberlausitzer Glasformenfabrik Method and device for the production of covered hollow glass bodies
US2802309A (en) * 1949-10-28 1957-08-13 Brune Herbert Method of producing multilayered blown hollow glass bodies
DE2412699A1 (en) * 1973-03-19 1974-10-10 Philips Nv SEMI-CONDUCTOR ARRANGEMENT
EP0330792A1 (en) * 1988-02-29 1989-09-06 Compagnie Des Cristalleries De Baccarat Container made of crystal treated to avoid migration of lead to its contents

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1770335A (en) * 1928-07-31 1930-07-08 Gen Electric Method and apparatus for making blown-glass articles
FR731173A (en) * 1931-08-31 1932-08-30 Hartford Empire Co Improvements in the manufacture of hollow glass objects
DE582281C (en) * 1931-12-08 1933-08-11 Oberlausitzer Glasformenfabrik Method and device for the production of covered hollow glass bodies
US2802309A (en) * 1949-10-28 1957-08-13 Brune Herbert Method of producing multilayered blown hollow glass bodies
DE2412699A1 (en) * 1973-03-19 1974-10-10 Philips Nv SEMI-CONDUCTOR ARRANGEMENT
EP0330792A1 (en) * 1988-02-29 1989-09-06 Compagnie Des Cristalleries De Baccarat Container made of crystal treated to avoid migration of lead to its contents

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