METHOD AND APPARATUS FOR PRODUCING A CONTINUOUS WEB

This invention pertains to handling a continuous web in a continuous processing operation wherein the web incorporates therein one or more stretched elastic-type elements having retractive forces active in the cross-machine direction, and limiting shrinkage of the web in the cross-machine direction...

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Bibliographic Details
Main Authors RAJALA, GREGORY, JOHN, NIEMI, PAUL, MARTIN, RABE, GERALD, LEIGH, HOLEWINSKI, DONALD, JOSEPH
Format Patent
LanguageEnglish
French
German
Published 04.06.2003
Edition7
Subjects
APPLIANCES OR METHODS FOR MAKING CLOTHES, e.g. FORDRESS-MAKING, FOR TAILORING, NOT OTHERWISE PROVIDED FOR
BANDAGES, DRESSINGS OR ABSORBENT PADS
CONVEYING
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
HANDLING THIN OR FILAMENTARY MATERIAL
HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS,CABLES
HUMAN NECESSITIES
HYGIENE
MEDICAL OR VETERINARY SCIENCE
ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES
PACKING
PERFORMING OPERATIONS
PROSTHESES
STORING
TRANSPORTING
TREATMENT OR PROTECTION OF EYES OR EARS
WEARING APPAREL
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Summary:This invention pertains to handling a continuous web in a continuous processing operation wherein the web incorporates therein one or more stretched elastic-type elements having retractive forces active in the cross-machine direction, and limiting shrinkage of the web in the cross-machine direction to no more than about 5%. Shrinkage in the width dimension is controlled using methods including transporting the web on a sequence of rolls having on their outer working surfaces protuberances which interact with edges of openings in the web, inhibiting lateral movement of elements defining the edges of the openings, and thereby stabilizing the web in the width dimension.
Bibliography:Application Number: EP19950944185