US20060283758A1 - Blister pack - Google Patents

Blister pack Download PDF

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Publication number
US20060283758A1
US20060283758A1 US10/553,125 US55312505A US2006283758A1 US 20060283758 A1 US20060283758 A1 US 20060283758A1 US 55312505 A US55312505 A US 55312505A US 2006283758 A1 US2006283758 A1 US 2006283758A1
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Prior art keywords
pvc
coc
blister
plastics material
pet
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US10/553,125
Inventor
Erwin Pasbrig
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3A Composites International AG
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Alcan Technology and Management Ltd
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Assigned to ALCAN TECHNOLOGY & MANAGEMENT LTD. reassignment ALCAN TECHNOLOGY & MANAGEMENT LTD. ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS). Assignors: PASBRIG, ERWIN
Publication of US20060283758A1 publication Critical patent/US20060283758A1/en
Abandoned legal-status Critical Current

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    • 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
    • B65D75/325—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 being recessed, and the other being a flat not- rigid sheet, e.g. puncturable or peelable foil
    • B65D75/327—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 being recessed, and the other being a flat not- rigid sheet, e.g. puncturable or peelable foil and forming several compartments
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61J—CONTAINERS SPECIALLY ADAPTED FOR MEDICAL OR PHARMACEUTICAL PURPOSES; DEVICES OR METHODS SPECIALLY ADAPTED FOR BRINGING PHARMACEUTICAL PRODUCTS INTO PARTICULAR PHYSICAL OR ADMINISTERING FORMS; DEVICES FOR ADMINISTERING FOOD OR MEDICINES ORALLY; BABY COMFORTERS; DEVICES FOR RECEIVING SPITTLE
    • A61J1/00—Containers specially adapted for medical or pharmaceutical purposes
    • A61J1/03—Containers specially adapted for medical or pharmaceutical purposes for pills or tablets
    • A61J1/035—Blister-type containers
    • 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
    • B32B27/00—Layered products comprising a layer of synthetic resin
    • B32B27/06—Layered products comprising a layer of synthetic resin as the main or only constituent of a layer, which is next to another layer of the same or of a different material
    • B32B27/08—Layered products comprising a layer of synthetic resin as the main or only constituent of a layer, which is next to another layer of the same or of a different material of synthetic resin
    • 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
    • B65D2575/00—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
    • B65D2575/28—Articles or materials wholly enclosed in composite wrappers, i.e. wrappers formed by association or interconnecting two or more sheets or blanks
    • B65D2575/30—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
    • B65D2575/32—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
    • B65D2575/3209—Details
    • B65D2575/3218—Details with special means for gaining access to the contents

Definitions

  • the invention relates to a blister pack for pharmaceutical products, diagnostic products or medical devices, comprising a blister base part thermoformed from plastics material, a cover film made of aluminium or an aluminium/plastics material composite and a lower sealing tray, which is sealed against the rear of the blister base part and cold-formed from an aluminium/plastics material composite film.
  • the cover film consists of aluminium or an aluminium/plastics material composite, and a lower sealing tray, which is cold-formed from an aluminium/plastics material laminate, is selected against the rear of the blister base part. Therefore: in a tropical blister, the blister base part with the filling is completely protected by the aluminium films in the cover layer and in the lower sealing tray against the penetration of steam and gases from the external atmosphere.
  • the lower sealing tray is firmly sealed against the base part.
  • the filling is pressed through the cover film by pressure on the aluminium/plastics material laminate and the thermoformed cup of the base part located below it. As neither the filling nor the individual cup is visible from outside, there may be problems in pressing out the filling.
  • the aluminium/plastics material laminate of the lower sealing tray ensures adequate protection of the filling against moisture, UV radiation and oxygen during the logistics chain
  • PVC or PVC/40 to 60 g/m 2 PVDC is used as the plastics material for the thermoformed blister. So the guaranteed minimum durability of the filling is not exceeded, the blister pack has to be used up in a relatively short time once the filling has been removed for the first time.
  • the invention is based on the object of providing a tropical blister of the type mentioned at the outset, in which the filling is visible prior to removal and therefore can be pressed through the cover film without damaging adjacent regions.
  • the durability of the filling is to be ensured for longer for the remaining pack after the first removal of filling, as a function of the plastics material used for the thermoformed base part.
  • the aluminium/plastics material composite film of the lower sealing tray has, on the side directed toward the blister base part, a peelable heat-sealing layer made of a lacquer with an application weight of 2 to 20 g/m 2 , preferably 7 to 15 g/m 2 , a peelable plastics material film with a film thickness of 10 to 40 ⁇ m, preferably 15 to 30 ⁇ m, or a peelable plastics material coating with an application weight of 5 to 40 g/m 2 , preferably 7 to 20 g/m 2 , leads to the achievement of the object.
  • thermoformed plastics materials for the “lower sealing tray”.
  • the plastics material of the blister base part has a barrier with a penetration barrier effect against steam and/or gases.
  • the plastics material of the blister base part with barrier properties may be constructed from a laminate with the layer sequence PVC/PVDC, PVC/PE/PVDC, PVC/PCTFE, PVC/PE/PCTFE, PVC/PCTFE/PVC.
  • the blister base part may also, however, consist of LCP, HDPE, PP, PVC or PET containing LCP.
  • the blister base part may also be constructed from the generally used plastics materials without special barrier properties, if the limited durability of the filling after removal of the lower sealing tray is taken into account.
  • a press-through film is preferred as a cover film.
  • the proposed solutions can obviously also be used.
  • the peelable heat-sealing layer which is directed toward the rear of the blister base part, of the aluminium/plastics material composite film of the lower sealing tray, is expediently constructed with the same chemical base components as the plastics material of the blister base part forming the sealing face, or mixtures of these base components with materials, which bring about an adhesive or cohesive break.
  • Materials which bring about an adhesive or cohesive break are, for example, acrylates, polybutylates, Morprime, styrene acrylate with polyolefin groups, PVC/AC plus acrylate, PP/butadiene or polyester/butadiene/styrene.
  • the peelable plastics material film which is directed toward the rear of the blister base part or the peelable plastics material coating which is directed toward the rear of the blister base part is preferably constructed on the basis of PVC, PP, metallocene PP, PE, metallocene PE, ACLAR® (PCTFE), PET, EAA, ionomers of PE and PE acrylates, EVA and copolymers with EVA.
  • the peelable plastics material film can be extruded, coextruded or lacquer-laminated with a peelable coating, and the plastics material coating can be coextruded with a peelable layer.
  • FIG. 1 shows a cross-section through a part of a blister pack with a peelable lower sealing tray and a tear flap;
  • FIG. 2 shows a view of the blister pack of FIG. 1 with a first embodiment of a tear flap in the viewing direction A;
  • FIG. 3 shows a view of the blister pack of FIG. 1 with a second embodiment of a tear flap in the viewing direction A;
  • FIG. 4 shows a view of the blister pack of FIG. 1 with a third embodiment of a tear flap in the viewing direction A.
  • a blister pack 10 shown in FIG. 1 to 4 in the form of a tropical blister has a base part 12 with individual blisters or cups 14 formed therefrom to receive a pharmaceutical filling, not shown in the drawing, such as tablets or capsules, diagnostic products or medical devices, for example.
  • a pharmaceutical filling not shown in the drawing, such as tablets or capsules, diagnostic products or medical devices, for example.
  • a cover film 16 tightly sealing the cups 14 is sealed against the base part 12 .
  • a further film in the form of a lower sealing tray 18 extends over the formed cups 14 and is sealed against a peripheral edge 20 of the base part 12 so as to be peelable.
  • the barrier properties of the lower sealing tray 18 prevent penetration of steam and gases from the external atmosphere into the filling space of the cups 14 .
  • FIGS. 2 to 4 show different embodiments of tear flaps 22 or corresponding unsealed zones.
  • the tear flap of FIG. 2 has a uniform width b a of 7 mm.
  • the tear flap of FIG. 3 has a width b m of for example 2 mm in the middle and a width ba of 7 mm on the outside.
  • the width b m is 7 mm in the middle
  • the width b a is 2 mm on the outer edge:

Abstract

A blister (10) for pharmaceutical products, diagnostic reagents or medical implements includes a blister bottom part (12), which is thermoformed from plastic, of a covering foil (16) made of aluminum or of an aluminum/plastic composite, and includes an undersealing trough (18), which is sealed against the rear side of the blister bottom part (12) and which is cold-formed from an aluminum/plastic composite film. The aluminum/plastic composite film of the undersealing trough (18) includes, on the side oriented toward the blister bottom part (12), a peelable heat-sealable layer that includes a paint having an application weight ranging from 2 to 20 g/m2, preferably 7 to 15 g/m2, a peelable plastic film having a film thickness ranging from 10 to 40 μm, preferably from 15 to 30 μm, or a peelable plastic coating having an application weight ranging from 5 to 40 g/m2, preferably 7 to 20 g/m2. The undersealing trough (18) that can be removed from the blister bottom part (12) by peeling permits the product contained inside the blister (10) to be seen. In order to achieve an optimal storage quality of the product even after the aluminum/plastic composite film of the undersealing trough has been removed, the plastic of the bottom part is a barrier with a passage blocking effect against water vapor and/or gases.

Description

  • The invention relates to a blister pack for pharmaceutical products, diagnostic products or medical devices, comprising a blister base part thermoformed from plastics material, a cover film made of aluminium or an aluminium/plastics material composite and a lower sealing tray, which is sealed against the rear of the blister base part and cold-formed from an aluminium/plastics material composite film.
  • In blister packs with a thermoformed blister base part known under the term “tropical blisters”, the cover film consists of aluminium or an aluminium/plastics material composite, and a lower sealing tray, which is cold-formed from an aluminium/plastics material laminate, is selected against the rear of the blister base part. Therefore: in a tropical blister, the blister base part with the filling is completely protected by the aluminium films in the cover layer and in the lower sealing tray against the penetration of steam and gases from the external atmosphere.
  • In the tropical blisters known today, the lower sealing tray is firmly sealed against the base part. The filling is pressed through the cover film by pressure on the aluminium/plastics material laminate and the thermoformed cup of the base part located below it. As neither the filling nor the individual cup is visible from outside, there may be problems in pressing out the filling.
  • No perforations may be provided in the case of cover films, which can be removed by peeling, because of the transverse diffusion of moisture and oxygen and the risk of the cover film tearing off. There is therefore a very high risk that not only the cup provided for opening is exposed when peeling the cover film, but the adjacent cup is also at least partially opened.
  • As the aluminium/plastics material laminate of the lower sealing tray ensures adequate protection of the filling against moisture, UV radiation and oxygen during the logistics chain, PVC or PVC/40 to 60 g/m2 PVDC is used as the plastics material for the thermoformed blister. So the guaranteed minimum durability of the filling is not exceeded, the blister pack has to be used up in a relatively short time once the filling has been removed for the first time.
  • The invention is based on the object of providing a tropical blister of the type mentioned at the outset, in which the filling is visible prior to removal and therefore can be pressed through the cover film without damaging adjacent regions. In addition, the durability of the filling is to be ensured for longer for the remaining pack after the first removal of filling, as a function of the plastics material used for the thermoformed base part.
  • The fact that the aluminium/plastics material composite film of the lower sealing tray has, on the side directed toward the blister base part, a peelable heat-sealing layer made of a lacquer with an application weight of 2 to 20 g/m2, preferably 7 to 15 g/m2, a peelable plastics material film with a film thickness of 10 to 40 μm, preferably 15 to 30 μm, or a peelable plastics material coating with an application weight of 5 to 40 g/m2, preferably 7 to 20 g/m2, leads to the achievement of the object.
  • Obviously, the solution according to the invention may also be used for the currently used thermoformed plastics materials for the “lower sealing tray”.
  • To achieve an optimum durability of the filling, the plastics material of the blister base part has a barrier with a penetration barrier effect against steam and/or gases.
  • The plastics material of the blister base part with barrier properties may be constructed from a laminate with the layer sequence PVC/PVDC, PVC/PE/PVDC, PVC/PCTFE, PVC/PE/PCTFE, PVC/PCTFE/PVC. PVC/PE, PVC/COC/PE, PVC/COC/PVC, PVC/COC/PVDC, PVC/COC/PP, PVC/COC/PE. PVC/COC, PP/PVDC, PP/PCTFE, PP/PCTFE/PP, PP/COC/PP, PP/PET, PP/PE, PP/COC/PE, PP/COC/PCTFE, PP/COC, PET/PP/PVDC, PET/COC/PP, PET/COC/PVC, PET/COC/PVDC, PET/COC/PE, PET/PVC/PCTFE, PET/COC, PE/PCTFE, HDPE/PVDC, HDPE/PVC, PE/PCTFE/PE, PE/COC/PVDC, PE/COC. The blister base part may also, however, consist of LCP, HDPE, PP, PVC or PET containing LCP.
  • The blister base part may also be constructed from the generally used plastics materials without special barrier properties, if the limited durability of the filling after removal of the lower sealing tray is taken into account.
  • In the blister pack according to the invention, a press-through film is preferred as a cover film. However, if a peelable opening is desired, the proposed solutions can obviously also be used.
  • The peelable heat-sealing layer which is directed toward the rear of the blister base part, of the aluminium/plastics material composite film of the lower sealing tray, is expediently constructed with the same chemical base components as the plastics material of the blister base part forming the sealing face, or mixtures of these base components with materials, which bring about an adhesive or cohesive break.
  • Materials which bring about an adhesive or cohesive break are, for example, acrylates, polybutylates, Morprime, styrene acrylate with polyolefin groups, PVC/AC plus acrylate, PP/butadiene or polyester/butadiene/styrene.
  • The peelable plastics material film which is directed toward the rear of the blister base part or the peelable plastics material coating which is directed toward the rear of the blister base part is preferably constructed on the basis of PVC, PP, metallocene PP, PE, metallocene PE, ACLAR® (PCTFE), PET, EAA, ionomers of PE and PE acrylates, EVA and copolymers with EVA.
  • The peelable plastics material film can be extruded, coextruded or lacquer-laminated with a peelable coating, and the plastics material coating can be coextruded with a peelable layer.
  • Further advantages, features and details of the invention emerge from the following description of preferred embodiments and with the aid of the drawings, in which, schematically:
  • FIG. 1 shows a cross-section through a part of a blister pack with a peelable lower sealing tray and a tear flap;
  • FIG. 2 shows a view of the blister pack of FIG. 1 with a first embodiment of a tear flap in the viewing direction A;
  • FIG. 3 shows a view of the blister pack of FIG. 1 with a second embodiment of a tear flap in the viewing direction A;
  • FIG. 4 shows a view of the blister pack of FIG. 1 with a third embodiment of a tear flap in the viewing direction A.
  • A blister pack 10 shown in FIG. 1 to 4 in the form of a tropical blister has a base part 12 with individual blisters or cups 14 formed therefrom to receive a pharmaceutical filling, not shown in the drawing, such as tablets or capsules, diagnostic products or medical devices, for example. On the side of the openings of the cups 14 a cover film 16 tightly sealing the cups 14 is sealed against the base part 12.
  • On the side opposing the cover film 16, a further film in the form of a lower sealing tray 18 extends over the formed cups 14 and is sealed against a peripheral edge 20 of the base part 12 so as to be peelable. The barrier properties of the lower sealing tray 18 prevent penetration of steam and gases from the external atmosphere into the filling space of the cups 14.
  • In the region of a side edge of the blister pack 10, the lower sealing tray is not sealed against the base part 12 in a narrow region 20 a, forming a tear flap 22. FIGS. 2 to 4 show different embodiments of tear flaps 22 or corresponding unsealed zones. In an exemplary side edge length e of the blister pack 10 of 68 mm, the tear flap of FIG. 2 has a uniform width ba of 7 mm. The tear flap of FIG. 3 has a width bm of for example 2 mm in the middle and a width ba of 7 mm on the outside. In the tear flap of FIG. 4, the width bm is 7 mm in the middle, and the width ba is 2 mm on the outer edge:
  • In the Table below, examples are compiled of aluminium/plastics material laminates used according to the invention as the material to produce the cold-formed lower sealing tray. The coating/lacquering of the aluminium film which is directed to the outside is designated “Outside coating” and the coating/lacquering which is directed toward the plastics material on the outside of the blister base part for sealing is designated “inside coating”, in each case giving the grams per square metre in coating/lacquering or the film thickness in lamination of the plastics material film. The table also contains the plastics materials selected in accordance with the inside coating/lacquering of the laminates of the lower sealing tray for the outside of the blister base part, against which the sealing of the aluminium/plastics material laminate is carried out.
    Outside
    Outside base
    Example coating Al film Inside coating part
    1 oPA, 25 μm 45 μm HSL (hot-sealing PVDC
    2 oPA, 25 μm 60 μm lacquer) based on or
    3 oPP, 20 μm 45 μm PVC/AC plus PVC
    4 PET film, 45 μm acrylate, 10 g/m2
    23 μm
    5 oPA, 25 μm 45 μm HSL based on
    acrylate with
    polyolefin groups,
    10 g/m2
    6 oPA, 25 μm 45 μm PVC film, 10 μm,
    peelable
    7 oPA, 25 μm 45 μm PVC film 15 μm,
    peelable
    8 oPA, 25 μm 45 μm HSL based on PP
    9 oPA, 25 μm 60 μm PP/butadiene, 10
    10 oPP, 20 μm 45 μm g/m2
    11 PET film, 45 μm
    23 μm
    12 oPA, 25 μm 45 μm HSL based on acrylate
    with polyolefin
    groups, 10 g/m2
    13 oPA, 25 μm 45 μm PP film, 20 μm,
    peelable
    14 oPA, 25 μm 45 μm HSL based on PET
    15 oPA, 25 μm 60 μm PVC/AC plus
    16 oPP, 20 μm 45 μm acrylate, 10 g/m2
    17 PET film, 45 μm
    23 μm
    18 oPA, 25 μm 45 μm HSL based on
    polyester with
    acrylate, 10 g/m2
    19 oPA, 25 μm 40 μm HSL based on
    PVC/AC plus
    acrylate, 10 g/m 2
    20 oPA, 25 μm 45 μm PET film, 12 μm,
    peelable
    21 oPA, 25 μm 45 μm HSL based on PE
    22 oPA, 25 μm 60 μm polyester/
    23 oPA, 25 μm 40 μm butadiene/styrene,
    24 oPA, 25 μm 36 μm 10 g/m2
    25 oPP, 20 μm 45 μm
    26 PET film, 45 μm
    23 μm
    27 oPA, 25 μm 45 μm HSL based on
    acrylate with
    polyolefine groups,
    10 g/m2
    28 oPA, 25 μm 45 μm PE peel film, 40 μm
    29 oPA, 25 μm 40 μm HSL based on
    PVC/AC plus
    30 oPA, 25 μm 36 μm acrylate, 10 g/m2
    31 oPA, 25 μm 40 μm HSL based on
    32 oPA, 25 μm 36 μm PP/butadiene, 10 g/m2
    33 oPA, 25 μm 36 μm HSL based on
    PVC/AC plus
    acrylate, 10 g/m2
    34 oPA, 25 μm 45 μm HSL based on ACLAR ®
    35 oPA, 25 μm 60 μm EVA/acrylate, (PCTFE)
    36 oPA, 25 μm 40 μm 10 g/m2
    37 oPA, 25 μm 36 μm
    38 oPP, 20 μm 45 μm
    39 PET film, 45 μm
    23 μm
    40 oPA, 25 μm 45 μm HSL based on
    ACLAR ®/EVA/
    acrylate
    41 oPA, 25 μm 45 μm HSL based on
    EVA/copolymer,
    20 g/m2

Claims (27)

1. A blister pack for pharmaceutical products, diagnostic products or medical devices, comprising a blister base part (12) thermoformed from plastics material, a cover film (16) made of aluminum or an aluminum/plastics material composite and a lower sealing tray (18), which is sealed against the rear of the blister base part (12) and cold-formed from an aluminum/plastics material composite film, the aluminum/plastics material composite film of the lower sealing tray (18) has, on the side directed toward the blister base part (12), a peelable heat-sealing layer made of lacquer with an application weight of 2 to 20 g/m2, a peelable plastics material film with a film thickness of 10 to 40 μm, or a peelable plastics material coating with an application weight of 5 to 40 g/m2.
2. The blister pack according to claim 1, wherein the peelable heat-sealing layer consists of a lacquer with an application weight of 7 to 15 g/m2.
3. The blister pack according to claim 1, wherein the peelable plastics material film has a film thickness of 15 to 30 μm.
4. The blister pack according to claim 1, wherein the peelable plastics material coating has an application weight of 7 to 20 g/m2.
5. The blister pack according to claim 4, wherein the plastics material of the blister base part (12) has a barrier with a penetration barrier effect against steam and/or gases.
6. The blister pack according to claim 5, wherein the blister base part (12) is constructed from a laminate with the layer sequence PVC/PVDC, PVC/PE/PVDC, PVC/PCTFE, PVC/PE/PCTFE, PVC/PCTFE/PVC. PVC/PE, PVC/COC/PE, PVC/COC/PVC, PVC/COC/PVDC, PVC/COC/PP, PVC/COC/PE. PVC/COC, PP/PVDC, PP/PCTFE, PP/PCTFE/PP, PP/COC/PP, PP/PET, PP/PE, PP/COC/PE, PP/COC/PCTFE, PP/COC, PET/PP/PVDC, PET/COC/PP, PET/COC/PVC, PET/COC/PVDC, PET/COC/PE, PET/PVC/PCTFE, PET/COC, PE/PCTFE, HDPE/PVDC, HDPE/PVC, PE/PCTFE/PE, PE/COC/PVDC, PE/COC, or from LCP, HDPE, PP, PVC or PET containing LCP.
7. The blister pack according to claim 6, wherein the aluminum/plastics material composite film of the lower sealing tray (18), which can be peeled from the rear of the blister base part (12), is an aluminum film with a thickness of 15 to 80 μm, which, on the side pointing away from the blister base part (12), is laminated with a plastics material film made of oriented polyamide (oPA), polyethylene terephthalate (PET) or oriented polypropylene (oPP) with a film thickness of 10 to 30 μm, or is lacquered with a protective lacquer based on the lacquer raw materials, nitrocellulose, epoxy resin, polyester, polyurethane or mixtures of said lacquer raw materials with an application weight of 1 to 20 g/m2.
8. The blister pack according to claim 7, wherein the peelable heat-sealing layer which is directed toward the rear of the blister base part (12) is constructed with the same or similar chemical base components as the plastics material of the blister base part (12) forming the sealing face, or mixtures of these base components with materials which bring about an adhesive or cohesive break.
9. The blister pack according to claim 8, wherein the lacquer contains, as materials which bring about an adhesive or cohesive break, acrylates, polybutylates, Morprime, styrene acrylate with polyolefin groups, PVC/AC with acrylate, PP/butadiene or polyester/butadiene/styrene.
10. The blister pack according to any claim 9, wherein the peelable plastics material film which is directed toward the rear of the blister base part (12) or the peelable plastics material coating which is directed toward the rear of the blister base part (12) is constructed on the basis of PVC, PP, metallocene PP, PE, metallocene PE, PCTFE, PET, EM, ionomers of PE and PE acrylates, EVA and copolymers with EVA.
11. The blister pack according to claim 10, wherein the peelable plastics material film is extruded, coextruded or lacquer-laminated with a peelable coating.
12. The blister pack according to claim 10, wherein the plastics material coating is coextruded with a peelable layer.
13. The blister pack according to claim 1, wherein the peelable plastic material film has a film thickness of 15 to 30 μm, or the peelable plastics material coating has an application weight of 7 to 20 g/m2.
14. The blister pack according to claim 1, wherein the plastics material of the blister base part (12) has a barrier with a penetration barrier effect against steam and/or gases.
15. The blister pack according to claim 5, wherein the blister base part (12) is constructed from a laminate with the layer sequence PVC/PVDC, PVC/PE/PVDC, PVC/PCTFE, PVC/PE/PCTFE, PVC/PCTFE/PVC, PVC/PE, PVC/COC/PE, PVC/COC/PVC, PVC/COC/PVDC, PVC/COC/PP, PVC/COC/PE, PVC/COC, PP/PVDC, PP/PCTFE, PP/PCTFE/PP, PP/COC/PP, PP/PET, PP/PE, PP/COC/PE, PP/COC/PCTFE, PP/COC, PET/PP/PVDC, PET/COC/PP, PET/COC/PVC, PET/COC/PVDC, PET/COC/PE, PET/PVC/PCTFE, PET/COC, PE/PCTFE, HDPE/PVDC, HDPE/PVC, PE/PCTFE/PE, PE/COC/PVDC, PE/COC or from LCP, HDPE, PP, PVC OR PET containing LCP.
16. The blister pack according to claim 1, wherein the aluminum/plastics material composite film of the lower sealing tray (18), which can be peeled from the rear of the blister base part (12), is an aluminum film with a thickness of 15 to 80 μm, which, on the side pointing away from the blister base part (12), is laminated with a plastics material film made of oriented polyamide (oPA), polyethylene terephthalate (PET) or oriented polypropylene (oPP) with a film thickness of 10 to 30 μm, or is lacquered with a protective lacquer based on the lacquer raw materials, nitrocellulose, epoxy resin, polyester, polyurethane or mixtures of said lacquer raw materials with an application weight of 1 to 20 g/m2.
17. The blister pack according to claim 1, wherein the peelable heat-sealing layer which is directed toward the rear of the blister base part (12) is constructed with the same or similar chemical base components as the plastics material of the blister base part (12) forming the sealing face, or mixtures of these base components with materials which bring about an adhesive or cohesive break.
18. The blister pack according to claim 17, wherein the lacquer contains, as materials which bring about an adhesive or cohesive break, acrylates, polybutylates, Morprime, styrene acrylate with polyolefin groups, PVC/AC with acrylate, PP/butadiene or polyester/butadiene/styrene.
19. The blister pack according to claim 1, wherein the peelable plastics material film which is directed toward the rear of the blister base part (12) or the peelable plastics material coating which is directed toward the rear of the blister base part (12) is constructed on the basis of PVC, PP, metallocene PP, PE, metallocene PE, PCTFE, PET, EM, ionomers of PE and PE acrylates, EVA and copolymers with EVA.
20. The blister pack according to claim 19, wherein the peelable plastics material film is extruded, coextruded or lacquer-laminated with a peelable coating.
21. The blister pack according to claim 19, wherein the plastics material coating is coextruded with a peelable layer.
22. The blister pack according to claim 7, wherein the aluminum film has a thickness of 25 to 60 μm.
23. The blister pack according to claim 7, wherein the plastics material film has a thickness of 15 to 25 μm.
24. The blister pack according to claim 7, wherein the protective lacquer has a thickness of 7 to 15 g/m2.
26. The blister pack according to claim 16, wherein the aluminum film has a thickness of 25 to 60 μm.
27. The blister pack according to claim 16, wherein the plastic material film has a thickness of 15 to 25 μm.
28. The blister pack according to claim 16, wherein the protective lacquer has a thickness of 7 to 15 g/m2.
US10/553,125 2003-04-16 2004-04-05 Blister pack Abandoned US20060283758A1 (en)

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EP03405270A EP1468935A1 (en) 2003-04-16 2003-04-16 Blister package
EP03405270.4 2003-04-16
PCT/EP2004/003577 WO2004092035A1 (en) 2003-04-16 2004-04-05 Blister pack

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EP (2) EP1468935A1 (en)
AT (1) ATE352499T1 (en)
CA (1) CA2522265A1 (en)
DE (1) DE502004002774D1 (en)
DK (1) DK1618046T3 (en)
ES (1) ES2280956T3 (en)
PL (1) PL1618046T3 (en)
PT (1) PT1618046E (en)
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EP1618046B1 (en) 2007-01-24
ATE352499T1 (en) 2007-02-15
CA2522265A1 (en) 2004-10-28
WO2004092035A1 (en) 2004-10-28
EP1618046A1 (en) 2006-01-25
ES2280956T3 (en) 2007-09-16
PT1618046E (en) 2007-04-30
SI1618046T1 (en) 2007-06-30
EP1468935A1 (en) 2004-10-20
PL1618046T3 (en) 2007-06-29
DE502004002774D1 (en) 2007-03-15
DK1618046T3 (en) 2007-05-29

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