Process and apparatus for making selectively apertured web materials

The present invention provides a method for selectively aperturing a web material. The web material is weakened along a plurality of regions and then at least a portion of the web material comprised in the weakened regions is removed. Thus, a plurality of apertures in the web material is obtained.

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Bibliographische Detailangaben
Hauptverfasser:	FUCHS, CHISTOFER, PESCHER, GEORG
Format:	Patent
Sprache:	eng ; fre ; ger
Schlagworte:	AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING BANDAGES, DRESSINGS OR ABSORBENT PADS CUTTING CUTTING-OUT DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF,TUBULAR STRUCTURES OF THE BODY, E.G. STENTS FILTERS IMPLANTABLE INTO BLOOD VESSELS FIRST-AID KITS FOMENTATION HAND CUTTING TOOLS HUMAN NECESSITIES HYGIENE MEDICAL OR VETERINARY SCIENCE ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES PERFORATING PERFORMING OPERATIONS PROSTHESES PUNCHING SEVERING SEVERING BY MEANS OTHER THAN CUTTING SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDEDFOR SHAPING OR JOINING OF PLASTICS STAMPING-OUT TRANSPORTING TREATMENT OR PROTECTION OF EYES OR EARS WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
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Beschreibung
Zusammenfassung:	The present invention provides a method for selectively aperturing a web material. The web material is weakened along a plurality of regions and then at least a portion of the web material comprised in the weakened regions is removed. Thus, a plurality of apertures in the web material is obtained.