VERFAHREN UND VORRICHTUNG ZUM KALIBRIEREN VON VERPACKUNGSBEHÄLTERN
PCT No. PCT/SE96/01420 Sec. 371 Date Jul. 30, 1998 Sec. 102(e) Date Jul. 30, 1998 PCT Filed Nov. 5, 1996 PCT Pub. No. WO97/18995 PCT Pub. Date May 29, 1997Packaging containers for liquid contents, for example milk, are normally manufactured from laminated packaging material including a carrier or co...
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Format | Patent |
Language | German |
Published |
15.02.2002
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Edition | 7 |
Subjects | |
Online Access | Get full text |
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Abstract | PCT No. PCT/SE96/01420 Sec. 371 Date Jul. 30, 1998 Sec. 102(e) Date Jul. 30, 1998 PCT Filed Nov. 5, 1996 PCT Pub. No. WO97/18995 PCT Pub. Date May 29, 1997Packaging containers for liquid contents, for example milk, are normally manufactured from laminated packaging material including a carrier or core layer of fiber material which is coated on each side with plastic layers. In order to facilitate folding of the material, this is normally provided with a pattern of weakening crease lines which facilitate the reforming into the desired packaging container configuration. A method of retroforming or calibrating a packaging container for realizing more accurate final configuration, sharper fold lines and thereby for imparting to the packaging container improved steadiness and stability comprises the steps of surrounding the packaging container (1) with a forming device (11) adapted to the final configuration of the packaging container, and of displacing parts (12, 13) of the forming device towards one another so that the free space for the packaging container is briefly reduced. An apparatus for carrying the method according to the present invention into effect comprises a forming device (11) with moving forming parts which, in the closed position, define a forming cavity of a volume which amounts to between 100 and 110 per cent of the theoretical minimum volume of a processed packaging container. |
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AbstractList | PCT No. PCT/SE96/01420 Sec. 371 Date Jul. 30, 1998 Sec. 102(e) Date Jul. 30, 1998 PCT Filed Nov. 5, 1996 PCT Pub. No. WO97/18995 PCT Pub. Date May 29, 1997Packaging containers for liquid contents, for example milk, are normally manufactured from laminated packaging material including a carrier or core layer of fiber material which is coated on each side with plastic layers. In order to facilitate folding of the material, this is normally provided with a pattern of weakening crease lines which facilitate the reforming into the desired packaging container configuration. A method of retroforming or calibrating a packaging container for realizing more accurate final configuration, sharper fold lines and thereby for imparting to the packaging container improved steadiness and stability comprises the steps of surrounding the packaging container (1) with a forming device (11) adapted to the final configuration of the packaging container, and of displacing parts (12, 13) of the forming device towards one another so that the free space for the packaging container is briefly reduced. An apparatus for carrying the method according to the present invention into effect comprises a forming device (11) with moving forming parts which, in the closed position, define a forming cavity of a volume which amounts to between 100 and 110 per cent of the theoretical minimum volume of a processed packaging container. |
Author | PALM, LARS-ERIK |
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Snippet | PCT No. PCT/SE96/01420 Sec. 371 Date Jul. 30, 1998 Sec. 102(e) Date Jul. 30, 1998 PCT Filed Nov. 5, 1996 PCT Pub. No. WO97/18995 PCT Pub. Date May 29,... |
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SubjectTerms | CONVEYING HANDLING THIN OR FILAMENTARY MATERIAL MACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGINGARTICLES OR MATERIALS PACKING PERFORMING OPERATIONS STORING TRANSPORTING UNPACKING |
Title | VERFAHREN UND VORRICHTUNG ZUM KALIBRIEREN VON VERPACKUNGSBEHÄLTERN |
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