FR2574019A1 - Production of a container or cover, decorated inside and outside, by assembling, during thermoforming, thin heat-meltable film whose amalgamation imparts the desired rigidity to the assembly, in a single operation - Google Patents

Production of a container or cover, decorated inside and outside, by assembling, during thermoforming, thin heat-meltable film whose amalgamation imparts the desired rigidity to the assembly, in a single operation Download PDF

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Publication number
FR2574019A1
FR2574019A1 FR8406445A FR8406445A FR2574019A1 FR 2574019 A1 FR2574019 A1 FR 2574019A1 FR 8406445 A FR8406445 A FR 8406445A FR 8406445 A FR8406445 A FR 8406445A FR 2574019 A1 FR2574019 A1 FR 2574019A1
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FR
France
Prior art keywords
films
assembly
container
cover
production
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Withdrawn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
FR8406445A
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French (fr)
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.)
DELTEIL DENIS
Original Assignee
DELTEIL DENIS
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 DELTEIL DENIS filed Critical DELTEIL DENIS
Priority to FR8406445A priority Critical patent/FR2574019A1/en
Publication of FR2574019A1 publication Critical patent/FR2574019A1/en
Withdrawn legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B37/00—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding
    • B32B37/12—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by using adhesives
    • B32B37/1207—Heat-activated adhesive
    • 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
    • B29C51/14—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 using multilayered preforms or sheets
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29D—PRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCES IN A PLASTIC STATE
    • B29D22/00—Producing hollow articles
    • B29D22/003—Containers for packaging, storing or transporting, e.g. bottles, jars, cans, barrels, tanks
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B37/00—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding
    • B32B37/14—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by the properties of the layers
    • B32B37/16—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by the properties of the layers with all layers existing as coherent layers before laminating
    • B32B37/20—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by the properties of the layers with all layers existing as coherent layers before laminating involving the assembly of continuous webs only
    • B32B37/203—One or more of the layers being plastic
    • 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
    • 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
    • B29C51/02—Combined thermoforming and manufacture of the preform
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B37/00—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding
    • B32B37/12—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by using adhesives
    • B32B37/1207—Heat-activated adhesive
    • B32B2037/1215—Hot-melt adhesive
    • B32B2037/1223—Hot-melt adhesive film-shaped
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2553/00—Packaging equipment or accessories not otherwise provided for
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B38/00—Ancillary operations in connection with laminating processes
    • B32B38/06—Embossing

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Blow-Moulding Or Thermoforming Of Plastics Or The Like (AREA)
  • Laminated Bodies (AREA)

Abstract

Production of a container or a cover, which is made as a laminate whose decoration or printing is not in contact with the contents. The present invention relates to the production of a container or a cover from thin heat-meltable films which are assembled at the time of heat forming. The said films can be printed or decorated, but the inks which form the printing or the decoration are not in direct contact with the contents. When the printing or the decoration is not on the external surface, they are seen through the thickness of one of the films, which is transparent in this case. The assembly, performed hot and under pressure, during thermoforming, is carried out directly between films, or between films covered with heat-meltable varnish, or by interposing a heat-bondable (hot-melt adhesive) film between the films. The invention is applicable to containers and to covers used for packaging food.

Description

La présente invention concerne l'obtention d'un couverercle ou d'un récipient en matière plastique par assemblage de feuilles thermofusibles préalablement imprimées sur la face interne ou externe. The present invention relates to obtaining a cover or a plastic container by assembling hot-melt sheets previously printed on the internal or external face.

L'assemblage des feuilles thermofusibles et la forme définitive sont données, lars de l'opération de thermofarmage, par appart de chaleur et par pression sous le moule. The assembly of the hot-melt sheets and the final shape are given, during the thermofarming operation, by heat and pressure under the mold.

Cet assemblage s'effectue soit :
- Par le contact direct des deux bobines imprimées et enduites de vernis thermofusible,
- par l'adjonction d'une fofine de film thermocollant prise en sandwich entre les deux bobines pré-imprimées.This assembly is carried out either:
- By direct contact of the two printed coils coated with hot-melt varnish,
- by adding a layer of fusible film sandwiched between the two pre-printed reels.

De nos jours, la législation interdit le contact direct des encres d'imprimerie avec les aliments. De ce fait, aucun récipient ou couvercle ne peuvent être imprimés à l'intérieur sans engeindre cette législation. Nowadays, legislation prohibits direct contact of printing inks with food. Therefore, no container or lid can be printed inside without violating this legislation.

Dans l'emballage traditionnel en pellicule souple, l'impression se trouve soit directement à l'extérieur de l'emballage, soit en sandwich entre les deux films souples contrecollés. In traditional flexible film packaging, the print is either directly outside the packaging, or sandwiched between the two laminated flexible films.

A l'heure actuelle, les récipients ou gobefets ne sont inprimés qu'à l'extérieur, l'opération d'impression s'effectuant en repriseaprès le thermoformage. At the present time, containers or cups are only printed outside, the printing operation being carried out after thermoforming.

Notre technique permet d'obtenir l'impression en sandwich entre les deux feuilles, l'impression étant visible à travers l'épaisseur de la matière. Our technique makes it possible to obtain the sandwich impression between the two sheets, the impression being visible through the thickness of the material.

De plus, la pré-impression de films épais n'étant pas possible, l'amalgame de deux matériaux, imprimés ou non, de faible épaisseur nous permet d'obtenir la rigidité nécessaire, après thermoformage. In addition, since the pre-printing of thick films is not possible, the amalgamation of two materials, printed or not, of small thickness allows us to obtain the necessary rigidity, after thermoforming.

Si nous pouvons abtenir l'impression en sandwich, visob;e extéroeurement et intérieurement, il existe des variantes possibles, soit :
l'intérieur décoré, visible à travers l'épaisseur du matériau thermofusible, amalgamé à un matériau thermofusible opaque pré-imprimé sur la face externe.If we can get the sandwich impression, visob; e externally and internally, there are possible variants, either:
the decorated interior, visible through the thickness of the hot-melt material, amalgamated with an opaque hot-melt material pre-printed on the external face.

- L'extérieur décoré, visible à travers l'épaisseur du matériau thermofusible, amalgamé à un matériau thermofusible opaque non imprimé
- l'extérieur décoré sur un matériau opaque, amalgamé à un matériau thermofusible opaque non imprimé.- The decorated exterior, visible through the thickness of the hot-melt material, amalgamated with an opaque non-printed hot-melt material
- the exterior decorated on an opaque material, amalgamated with an unprinted opaque hot-melt material.

- L'intérieur décoré, visible à travers l'épaisseur du matériau thermofusible, amalgamé à un matériau thermofusible opaque non imprimé. - The decorated interior, visible through the thickness of the hot-melt material, amalgamated with an opaque non-printed hot-melt material.

Notre procédé consiste à utiliser une feuille de matière plastique transparente (A) pré-imprimée @le cêté imprimé de cette feuille pouvant être enduit de vernis thermofusible à basse températurel.  Our process consists in using a sheet of transparent plastic material (A) pre-printed @ the printed side of this sheet which can be coated with hot-melt varnish at low temperature.

Simultanément, on introduit dans la machine une autre feuille de matière plastique transparente (B) pré-imprimée (le côté de cette feuille pouvant être enduit de vernis thermofusible à basse température). Simultaneously, another sheet of pre-printed transparent plastic (B) is introduced into the machine (the side of this sheet can be coated with hot-melt varnish at low temperature).

Les couches thermofusibles étant mises face à face, ou remplacer éventuellement par un film thermocollant sous pression et chaleur (C), les films (A), (B) et évertuellement (C) sont introduits dans la machine de the rmoformage (D) qui est munie d'une cellule photo-électrique (E) pour assurer le rep6rage de l'impression par rapport au moule (F) et à la découpe intégrée (F') ou à la découpe en reprise (G). The hot-melt layers being placed face to face, or possibly replace by a heat-bonding film under pressure and heat (C), the films (A), (B) and eventually (C) are introduced into the rmoforming machine (D) which is equipped with a photoelectric cell (E) to ensure the rep6rage of the impression compared to the mold (F) and to the integrated cutting (F ') or to the cutting in recovery (G).

Les feuilles (A), (B) et éventuellement (C) passent par un chauffage supérieur (H) et inférieur (H') pour apporter aux matériaux la température nécessaire au contrecollage et thermoformage. The sheets (A), (B) and possibly (C) go through an upper (H) and lower (H ') heating to bring the materials the temperature necessary for laminating and thermoforming.

Les feuilles (A), (B) et éventuellement (C) sont dirigées vers deux rouleaux presseurs (7) et (7') qui assurent un pré-assemblage des feuilles (A), (B) et éventuellement (C), et laminent légèrement ces matériaux chassant ainsi l'air. emprisonné. The sheets (A), (B) and possibly (C) are directed towards two pressure rollers (7) and (7 ') which provide a pre-assembly of the sheets (A), (B) and possibly (C), and lightly laminate these materials thus expelling air. imprisoned.

C'est au moment du thermofarmage que s'effectue l'assemblage définitif des matériaux (A), (B) et éventuellement (C) par l fermeture en pression des moules (F) et (F') ou par aspiration des matériaux sur le moule (F). It is at the time of the thermofarming that the final assembly of the materials (A), (B) and possibly (C) takes place by the pressure closing of the molds (F) and (F ') or by suction of the materials on the mold (F).

La découpe peut se faire de deux manières :
- soit intégrée lois de la fermeture des moules (F) et (F'),
- soit en reprise lois du passage des couvercles ou récipients thermoformés sous un appareil de découpe (G).Cutting can be done in two ways:
- either integrated laws of the closing of the molds (F) and (F '),
- either by taking over the passage of lids or thermoformed containers under a cutting device (G).

Les couvercles ou récipients ainsi découp6s peuvent être rassemblés par un empileur (J). The lids or containers thus cut can be assembled by a stacker (J).

'impression étant en sandwich entre les matériaux (A) et (B), nous obtenons un couvercle ou récipient thermoformé et décoré aussi bien à l'intérieur qu'à l'extérieur sans risque de contact des encres avec les aliments.  printing being sandwiched between the materials (A) and (B), we obtain a thermoformed and decorated cover or container both inside and outside without risk of ink contact with food.

Claims (5)

REVENDTCATIONS 1) Procédé d'obtention d'un récipient ou couvercle d6coré à l'intérieur et à l'extérieur par assemblage, lors du thermoformage, de films thermofusibles. 1) Method for obtaining a container or cover d6core inside and outside by assembling, during thermoforming, hot melt films. Avantageusement, les encres utilisées pour le décon ne se trouvent pas en contact direct avec les aliments mais sont vues à travers la matière plastique thermofusible transparente principalement pour le décor intérieur.Advantageously, the inks used for the decon are not in direct contact with the food but are seen through the transparent hot-melt plastic material mainly for the interior decoration. 2) Caractérisé par le fait que cette opération d'assemblage commence après l'opération de chauffage (H) et (H') par pression des films entre deux rouleaux presseurs (T) et (T') contrecollant ou laminant deux matériaux (A) et (B) ou (A), (B) et (C) ensembles. 2) Characterized by the fact that this assembly operation begins after the heating operation (H) and (H ') by pressure of the films between two pressure rollers (T) and (T') laminating or laminating two materials (A ) and (B) or (A), (B) and (C) together. 3) Dispositif étuidé pour que le moule (F) et (F') compressent les films et assurent, lars de la fermeture des deux moules, l'assemblage par pression des matières (A) et (B) ou (A), (B) et (C) ensembles. 3) Device designed so that the mold (F) and (F ') compress the films and ensure, during the closing of the two molds, the assembly by pressure of the materials (A) and (B) or (A), ( B) and (C) together. 4) Caractérisé par le fait que l'amalgame de deux films de faible épaisseur, imprimées ou non, permet d'obtenir un matériau rigide apr8s thermoformage. 4) Characterized by the fact that the amalgam of two thin films, printed or not, makes it possible to obtain a rigid material after thermoforming. 5) Dispositif selon l'ensemble des revendications précédentes caractérisé en ce qu'il permet que cet assemblage et ce thermoformage soient réalisés en une seule opération.  5) Device according to all of the preceding claims characterized in that it allows this assembly and this thermoforming to be carried out in a single operation.
FR8406445A 1984-04-20 1984-04-20 Production of a container or cover, decorated inside and outside, by assembling, during thermoforming, thin heat-meltable film whose amalgamation imparts the desired rigidity to the assembly, in a single operation Withdrawn FR2574019A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR8406445A FR2574019A1 (en) 1984-04-20 1984-04-20 Production of a container or cover, decorated inside and outside, by assembling, during thermoforming, thin heat-meltable film whose amalgamation imparts the desired rigidity to the assembly, in a single operation

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR8406445A FR2574019A1 (en) 1984-04-20 1984-04-20 Production of a container or cover, decorated inside and outside, by assembling, during thermoforming, thin heat-meltable film whose amalgamation imparts the desired rigidity to the assembly, in a single operation

Publications (1)

Publication Number Publication Date
FR2574019A1 true FR2574019A1 (en) 1986-06-06

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FR8406445A Withdrawn FR2574019A1 (en) 1984-04-20 1984-04-20 Production of a container or cover, decorated inside and outside, by assembling, during thermoforming, thin heat-meltable film whose amalgamation imparts the desired rigidity to the assembly, in a single operation

Country Status (1)

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FR (1) FR2574019A1 (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0264498A2 (en) * 1982-07-23 1988-04-27 Transfer Print Foils, Inc Method for preparing a decorated insert and continuous insert moulding operation
FR2636266A1 (en) * 1988-09-12 1990-03-16 Reydel Sa J Method of colouring linings, especially for rigid or semi-rigid elements covering the inside of a motor vehicle, and product obtained according to this method
CH684254A5 (en) * 1992-09-23 1994-08-15 Alusuisse Lonza Services Ag Laminates for food containers

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0264498A2 (en) * 1982-07-23 1988-04-27 Transfer Print Foils, Inc Method for preparing a decorated insert and continuous insert moulding operation
EP0264498A3 (en) * 1982-07-23 1989-06-14 Transfer Print Foils, Inc Method for preparing a decorated insert and continuous insert moulding operation
FR2636266A1 (en) * 1988-09-12 1990-03-16 Reydel Sa J Method of colouring linings, especially for rigid or semi-rigid elements covering the inside of a motor vehicle, and product obtained according to this method
CH684254A5 (en) * 1992-09-23 1994-08-15 Alusuisse Lonza Services Ag Laminates for food containers

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