FR2566743A1 - Thermoformed package made of plastic material - Google Patents

Thermoformed package made of plastic material Download PDF

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Publication number
FR2566743A1
FR2566743A1 FR8410447A FR8410447A FR2566743A1 FR 2566743 A1 FR2566743 A1 FR 2566743A1 FR 8410447 A FR8410447 A FR 8410447A FR 8410447 A FR8410447 A FR 8410447A FR 2566743 A1 FR2566743 A1 FR 2566743A1
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FR
France
Prior art keywords
angle
mold
packaging
thermoforming
base
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.)
Granted
Application number
FR8410447A
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French (fr)
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FR2566743B1 (en
Inventor
Claude Roland
Olivier Lancesseur
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AIR FORM
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AIR FORM
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Filing date
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Priority to FR8410447A priority Critical patent/FR2566743B1/en
Publication of FR2566743A1 publication Critical patent/FR2566743A1/en
Application granted granted Critical
Publication of FR2566743B1 publication Critical patent/FR2566743B1/en
Expired 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
    • B29C51/00—Shaping by thermoforming, i.e. shaping sheets or sheet like preforms after heating, e.g. shaping sheets in matched moulds or by deep-drawing; Apparatus therefor
    • B29C51/26—Component parts, details or accessories; Auxiliary operations
    • B29C51/30—Moulds
    • B29C51/34—Moulds for undercut articles
    • 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
    • B65D75/00—Packages comprising articles or materials partially or wholly enclosed in strips, sheets, blanks, tubes, or webs of flexible sheet material, e.g. in folded wrappers
    • B65D75/28—Articles or materials wholly enclosed in composite wrappers, i.e. wrappers formed by associating or interconnecting two or more sheets or blanks
    • B65D75/30—Articles or materials enclosed between two opposed sheets or blanks having their margins united, e.g. by pressure-sensitive adhesive, crimping, heat-sealing, or welding
    • B65D75/32—Articles or materials enclosed between two opposed sheets or blanks having their margins united, e.g. by pressure-sensitive adhesive, crimping, heat-sealing, or welding one or both sheets or blanks being recessed to accommodate contents
    • 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
    • B65D75/00—Packages comprising articles or materials partially or wholly enclosed in strips, sheets, blanks, tubes, or webs of flexible sheet material, e.g. in folded wrappers
    • B65D75/28—Articles or materials wholly enclosed in composite wrappers, i.e. wrappers formed by associating or interconnecting two or more sheets or blanks
    • B65D75/30—Articles or materials enclosed between two opposed sheets or blanks having their margins united, e.g. by pressure-sensitive adhesive, crimping, heat-sealing, or welding
    • B65D75/32—Articles or materials enclosed between two opposed sheets or blanks having their margins united, e.g. by pressure-sensitive adhesive, crimping, heat-sealing, or welding one or both sheets or blanks being recessed to accommodate contents
    • B65D75/321—Both sheets being recessed
    • B65D75/322—Both sheets being recessed and forming one compartment
    • 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
    • B65D75/00—Packages comprising articles or materials partially or wholly enclosed in strips, sheets, blanks, tubes, or webs of flexible sheet material, e.g. in folded wrappers
    • B65D75/28—Articles or materials wholly enclosed in composite wrappers, i.e. wrappers formed by associating or interconnecting two or more sheets or blanks
    • B65D75/30—Articles or materials enclosed between two opposed sheets or blanks having their margins united, e.g. by pressure-sensitive adhesive, crimping, heat-sealing, or welding
    • B65D75/32—Articles or materials enclosed between two opposed sheets or blanks having their margins united, e.g. by pressure-sensitive adhesive, crimping, heat-sealing, or welding one or both sheets or blanks being recessed to accommodate contents
    • B65D75/36—Articles or materials enclosed between two opposed sheets or blanks having their margins united, e.g. by pressure-sensitive adhesive, crimping, heat-sealing, or welding one or both sheets or blanks being recessed to accommodate contents one sheet or blank being recessed and the other formed of relatively stiff flat sheet material, e.g. blister packages, the recess or recesses being preformed
    • 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
    • B65D2207/00—Standing packages

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Composite Materials (AREA)
  • Moulds For Moulding Plastics Or The Like (AREA)
  • Containers Having Bodies Formed In One Piece (AREA)

Abstract

This thermoformed package made of plastic material comprises elements 1 in the form of stamped shells, whose base edge 6 is inclined with respect to the bottom 2 by an angle ss < 90 DEG , in such a way that it takes up a stable attitude when the package is resting on a horizontal surface by the edge 10 of its base 6 and the and the cut rim 7 of the shell. For this purpose the thermoforming mould has lateral walls on its bottom inclined by the angles alpha > 90 DEG and ss < 90 DEG respectively and it is downward inclined from the horizontal by an angle such that vertical withdrawing from the mould can take place.

Description

La présente invention concerne un emballage thermoformé en matière plastique, p.v.C par exemple, susceptible de se dresser debout sur une surface horizontale. The present invention relates to a thermoformed packaging of plastic material, eg p.v.C, capable of standing upright on a horizontal surface.

On utilise couramment pour présenter au public des articles les plus divers, tels qu'outils, instruments Variés, et même des produits alimentaires et des végétaux, des emballages thermoformés en matière plastique se présentant sous forme de coques ouvertes ou fermées, soudées sur carton ou accolées deux par deux; ces emballages sont le plus souvent munis de moyens d'accrochage à des présentoirs. Certains emballages utilisés seuls, n'ont aucune tenue du fait de leur légèreté et du manque de surface d'assise. Thermoformed plastic packaging in the form of open or closed shells, welded to cardboard or side by side; these packages are most often provided with means for attaching to displays. Some packaging, used alone, has no hold due to their lightness and the lack of seating surface.

Pour pallier cet inconvénient, l'emballage suivant l'int vention, se présente sous forme d'une coque ouverte en forme de cuvette rectangulaire dont le flanc de base est agencé de manière à former une assise permettant à l'emballage de se tenir droit sur une surface horizontale. To overcome this drawback, the packaging according to the intention is in the form of an open shell in the form of a rectangular bowl, the base side of which is arranged so as to form a seat allowing the packaging to stand upright. on a horizontal surface.

A cet effet, cet emballage en forme de cuvette présente un flanc qui forme un angle légèrement supérieur à 900 avec le fond comme dans les emballages usuels, mais dont l'autre flanc de base forme avec le fond un aigle inférieur à 900; ainsi ce flanc forme une base inclinée depuis le fond jusau'au bord de coupe saillant de sorte que quand l'emballage repose sur une surface horizontale, l'emballage est à peu près vertical. To this end, this dish-shaped packaging has a side which forms an angle slightly greater than 900 with the base as in the usual packages, but the other base side of which forms with the base an eagle less than 900; thus this flank forms an inclined base from the bottom to the protruding cutting edge so that when the package rests on a horizontal surface, the package is approximately vertical.

En accolant deux coques ainsi constituées par leurs bords de coupe, on obtient que l'emballage repose sur le bord de coupe médian et les lignes de jonction du flanc de base incliné avec le fond de la coque. Il tient donc bien droit sans risque de casse:
Afin de réaliser par thermoformage un emballage suivant 11 invention, le moule dans lequel il est thermoformé, présente d'un côte un flanc formant un angle > 900 avec son fond et du c- té opposé un angle inférieur à 900;pour Permettre le d#ulage vertical, ce moule est incliné vers le bas par rapport à l'horizontal.By joining two shells thus formed by their cutting edges, one obtains that the packaging rests on the median cutting edge and the junction lines of the inclined base side with the bottom of the shell. It therefore stands upright without risk of breakage:
In order to achieve by thermoforming a packaging according to the invention, the mold in which it is thermoformed, has on one side a flank forming an angle> 900 with its bottom and on the opposite side an angle less than 900; to allow the d Vertical #ulage, this mold is inclined downwards with respect to the horizontal.

Pour faciliter la compréhension de cette invention, on a représenté au dessin annexé un emballage d'un type courant et un emballage suivant l'invention ainsi qu'un schéma de l'installation de thermoformage. To facilitate understanding of this invention, there is shown in the accompanying drawing a package of a standard type and a package according to the invention as well as a diagram of the thermoforming installation.

La figure 1 est une vue de profil d'un emballage courant en forme de cuvette dont la figure 2 est la vue de face. Figure 1 is a side view of a common container-shaped package of which Figure 2 is the front view.

La figure 3 représente un emballage à double coque traditionnelle. Figure 3 shows a traditional double-shell package.

La figure 4 montre en profil, l'emballage suivant l'invention. Figure 4 shows in profile, the packaging according to the invention.

La figure 5 est une vue en coupe verticale d'un emballage à doubles cuvettes soudées. Figure 5 is a vertical sectional view of a package with double welded cups.

La figure 6 est un schéma de l'installation de theaDfor- mage et la figure 7 une coupe du moule de thermoformage pour réaliser les coques suivant l'invention. FIG. 6 is a diagram of the theaDforming installation and FIG. 7 is a section of the thermoforming mold for producing the shells according to the invention.

On a représenté à la figure 1 le profil et à la figure 2 la face d'un emballage en forme de cuvette 1: il présente un fond 2 bordé de deux cotés latéraux 3,4, un flanc supérieur 5 et un flanc de base 6, le long desquels court le bord de coupe 7. Les angles tetss aue font ces flancs 5,6 avec le fond 2 sont obligatoirement supérieurs à 900 pour permettre le démoulage après termoformage : cet emballage dressé ne peut être vertical, comme le montre la figure 1, et du fait de sa légèreté, il ne tient pas seul debout sur une surface horizontale 8. Il en va de même pour un emballage à double coque suivant la figure 3 : cet emballage léger bascule à droite ou à gauche. There is shown in Figure 1 the profile and in Figure 2 the face of a container-shaped package 1: it has a bottom 2 bordered by two lateral sides 3, 4, an upper side 5 and a base side 6 , along which runs the cutting edge 7. The angles tetss aue make these flanks 5.6 with the bottom 2 are necessarily greater than 900 to allow demoulding after thermoforming: this upright packaging cannot be vertical, as shown in the figure. 1, and because of its lightness, it does not stand alone upright on a horizontal surface 8. The same applies to a double-shell packaging according to FIG. 3: this lightweight packaging tilts to the right or to the left.

L'emballage suivant l'invention est caractérisé en ce que le flanc 5 forme avec le fond 2 un angleoCde plus de 900, comme un emballage courant, mais l'angle ssdu flanc 6 avec le fond de la coque est inférieur à 90 . De la sorte, comme le montre la figure 4, cet emballage peut se tenir droit, le fond 2 étant pres- que vertical. Il repose par la ligne de jonction 10 du fond 2 et du flanc 6 et le bord de coupe 7. The packaging according to the invention is characterized in that the sidewall 5 forms with the bottom 2 an angleoCde more than 900, like a standard package, but the angle ssdu side 6 with the bottom of the shell is less than 90. In this way, as shown in FIG. 4, this packaging can stand upright, the bottom 2 being almost vertical. It rests by the junction line 10 of the bottom 2 and the sidewall 6 and the cutting edge 7.

Un emballage fermé, tel que représenté à la figure 5 se compose de deux cuvettes 1 et la accolées l'une à l'autre par leurs bords de coupe 7. Cet emballage se tient facilement droit, puisqu'il peut reposer sur le bord de coupe médian 7 et les bords 10 et lOa des deux coques au même niveau que le bord de coupe 7 du fait de l'inclinaison(900 des flancs 6 sur le fond 2. A closed package, as shown in Figure 5 consists of two cups 1 and the contiguous to each other by their cutting edges 7. This package is easily held upright, since it can rest on the edge of median cut 7 and the edges 10 and 10a of the two shells at the same level as the cutting edge 7 due to the inclination (900 of the sides 6 on the bottom 2.

Cependant le thermoformage d'un tel emballage en cuvette pose un problème, car la réalisation d'une cuvette présentant un angle/3 ( 90# ne permettrait pas le démoulage vertical,
Pour permettre ce démoulage, le moule de l'installation de thermoformage est incliné vers le bas sur lthorizontale, d'un angle tel que le flanc 6 se présente à peu près verticalementt On a figuré schématiquement à la figure 6 un m#oule 13 pour le thermoformage de l'emballage suivant l'invention et à la figure 7 la position obligatoire de ce moule par rapport à la feuille 11 pour autoriser le démoulage vertical.However, the thermoforming of such a packaging in a bowl poses a problem, because the realization of a bowl having an angle / 3 (90 # would not allow vertical demolding,
To allow this demoulding, the mold of the thermoforming installation is inclined downwards on the horizontal, at an angle such that the sidewall 6 appears more or less vertically. FIG. 6 shows schematically a m # oule 13 for the thermoforming of the packaging according to the invention and in FIG. 7 the obligatory position of this mold with respect to the sheet 11 to allow vertical demolding.

La feuille 11 de matière plastique se déroule dans le sens de la flèche F au-dessus de moules dont l'un 12 est destiné à former un emballage quelconque et dont l'autre 13 est destiné à former la coque de support 1. Pour pouvoir démouler il faut na turellement que les flancs du moule 12 fassent avec le fond du moule un angle supérieur à 900. Si le moule 13 était dans l'agit gnement du moule 12, le démoulage ne pourrait se faire du fait de l'inclinaison du flanc 6 vers l'intérieur du moule. Suivant l'invention, le moule 13 est incliné vers le bas sur l'horizontale d'un angle tel que le démoulage puisse se faire; cet angle est au moins égal àR . Ainsi, après thermoformage, la coque peut etre extraite du moule 13 puisque la coque présente des flancs 5 et 6 ouverts. The plastic sheet 11 unwinds in the direction of arrow F above molds, one of which 12 is intended to form any package and the other 13 of which is intended to form the support shell 1. In order to be able to unmolding it is necessary naturally that the sides of the mold 12 form with the bottom of the mold an angle greater than 900. If the mold 13 was in the agitation of the mold 12, the demolding could not be done because of the inclination of the mold. side 6 towards the inside of the mold. According to the invention, the mold 13 is inclined downwards on the horizontal at an angle such that demoulding can take place; this angle is at least equal to R. Thus, after thermoforming, the shell can be extracted from the mold 13 since the shell has sides 5 and 6 open.

On n'a représenté au dessin qu'un seul élément 1 support d'emballage, mais il est évident que ce support peut venir de moulage avec une partie supérieure quelconque, adaptée au produit à présenter, l'élément 1 servant de pied permettant à l'emballa- ge complet de se tenir:: verticalement grace à l'inclinaison du flanc de base par rapport au fond. Only one packaging support element 1 has been shown in the drawing, but it is obvious that this support can come from molding with any upper part, adapted to the product to be presented, the element 1 serving as a foot allowing the complete packaging to stand :: vertically thanks to the inclination of the base side with respect to the base.

Claims (5)

- REVENDICATIONS- CLAIMS 1.- Emballage thermoformé en matière plastique capable de se tenir droit sur une surface horizontale, formé de coques en forme de cuvettes indépendantes ou accolées par paires, dont les parois forment avec le fond un angle légèrement ouvert pour permettre le démoulage, caractérisé en ce que ce flanc de base (6)de la cuvette(l) forme avec son fond (2) un angle ssinférieur à 900 de manière que lorsque l'emballage repose sur le flanc de base (6) et le bord de coupe (7) de cette base, le fond (2) soit sensiblement vertical. 1.- Thermoformed plastic packaging capable of standing upright on a horizontal surface, formed of shells in the form of independent or joined in pairs, the walls of which form a slightly open angle with the bottom to allow demoulding, characterized in that that this base flank (6) of the bowl (l) forms with its bottom (2) an angle less than 900 so that when the packaging rests on the base flank (6) and the cutting edge (7) from this base, the bottom (2) is substantially vertical. 2.- Emballage thermoformé composé de paires de cuvettes (1) accolées les unes aux autres par leurs bords de coupe (7), chaque cuvette étant conformée suivant la revendication 1. 2.- Thermoformed packaging composed of pairs of cuvettes (1) contiguous to each other by their cutting edges (7), each cuvette being shaped according to claim 1. 3.- Moule pour la confection de coques d'emballage en matière plastique thermoformée suivant la revendication 1 caractérisé en ce que son fond forme avec un flanc latéral un angle < > 900 et avec le flanc latéral opposé un angle# ss ego9, et en ce que dans l'installation il est incliné vers le. bas par rapport au plan de déroulement de la matière plastique jusqu'à permettre le démoulage vertical. 3.- Mold for making packaging shells in thermoformed plastic material according to claim 1 characterized in that its bottom forms with a lateral flank an angle <> 900 and with the opposite lateral flank an angle # ss ego9, and in what in the installation it is inclined towards the. low with respect to the unwinding plane of the plastic material to allow vertical demolding. 4.- Procédé de thermofommage d'une feuille de matière plastique pour réaliser des éléments en forme de cuvette destinés à constituer un emballage suivant la revendication 1, caractérisé en ce que llune des parois latérales du moule (13) fait avec son fond (2) un angle ss inférieur à 900 et en ce que ce moule (13) est incliné vers le bas par rapport au plan de déroulement de la feuille de matière plastique (11) d'un angle tel que la coque puisse être démoulée verticalement après thermoformage, 4.- A method of thermoforming a plastic sheet to produce cup-shaped elements intended to constitute a package according to claim 1, characterized in that llune of the side walls of the mold (13) made with its bottom (2 ) an angle ss less than 900 and in that this mold (13) is inclined downwards with respect to the plane of unwinding of the plastic sheet (11) at an angle such that the shell can be demolded vertically after thermoforming , 5,- Procédé de thermoformage suivant la revendication 4 caractérisé en ce que l'inclinaison vers le bas du moule (13) par rapport au plan de déroulement de la feuille (11) est de l'ordre de l'angle ss, 5, - Thermoforming method according to claim 4 characterized in that the downward inclination of the mold (13) relative to the unwinding plane of the sheet (11) is of the order of the angle ss,
FR8410447A 1984-07-02 1984-07-02 THERMOFORMED PACKAGING IN PLASTIC MATERIAL Expired FR2566743B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR8410447A FR2566743B1 (en) 1984-07-02 1984-07-02 THERMOFORMED PACKAGING IN PLASTIC MATERIAL

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR8410447A FR2566743B1 (en) 1984-07-02 1984-07-02 THERMOFORMED PACKAGING IN PLASTIC MATERIAL

Publications (2)

Publication Number Publication Date
FR2566743A1 true FR2566743A1 (en) 1986-01-03
FR2566743B1 FR2566743B1 (en) 1987-04-17

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FR8410447A Expired FR2566743B1 (en) 1984-07-02 1984-07-02 THERMOFORMED PACKAGING IN PLASTIC MATERIAL

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FR (1) FR2566743B1 (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0504475A1 (en) * 1991-03-04 1992-09-23 BARILLA G. e R. F.lli - Società per Azioni A tray-like container for packaging food products, particularly pasta products, therein
EP0673842A1 (en) * 1994-03-23 1995-09-27 Cooper Industries, Inc. Packaging, in particular for spark plugs

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2431414A (en) * 1944-11-10 1947-11-25 Davis Marinsky Method of automatically ejecting castings
GB780216A (en) * 1954-04-26 1957-07-31 Johnson & Johnson Package
US3289830A (en) * 1966-01-24 1966-12-06 Master Lock Co Display card mounted retainer and packaging device
US3399763A (en) * 1966-05-04 1968-09-03 Developak Inc Blister pack and method of forming the same
FR1552134A (en) * 1967-11-20 1969-01-03
FR2058493A5 (en) * 1969-09-10 1971-05-28 Soplaril Sa
FR2108871A7 (en) * 1970-10-14 1972-05-26 Cerebos Alimentaire
US3986809A (en) * 1971-02-25 1976-10-19 Ball Corporation Apparatus and method for removing molds from articles with undercut pieces

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2431414A (en) * 1944-11-10 1947-11-25 Davis Marinsky Method of automatically ejecting castings
GB780216A (en) * 1954-04-26 1957-07-31 Johnson & Johnson Package
US3289830A (en) * 1966-01-24 1966-12-06 Master Lock Co Display card mounted retainer and packaging device
US3399763A (en) * 1966-05-04 1968-09-03 Developak Inc Blister pack and method of forming the same
FR1552134A (en) * 1967-11-20 1969-01-03
FR2058493A5 (en) * 1969-09-10 1971-05-28 Soplaril Sa
FR2108871A7 (en) * 1970-10-14 1972-05-26 Cerebos Alimentaire
US3986809A (en) * 1971-02-25 1976-10-19 Ball Corporation Apparatus and method for removing molds from articles with undercut pieces

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0504475A1 (en) * 1991-03-04 1992-09-23 BARILLA G. e R. F.lli - Società per Azioni A tray-like container for packaging food products, particularly pasta products, therein
EP0673842A1 (en) * 1994-03-23 1995-09-27 Cooper Industries, Inc. Packaging, in particular for spark plugs
FR2717780A1 (en) * 1994-03-23 1995-09-29 Cooper Ind Inc Packaging especially for spark plugs.

Also Published As

Publication number Publication date
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