ABSORBENT BUBBLE LAMINATES

A moisture absorbent bubble laminate includes a perforated, thermoplastic film and a thermoformable, thermoplastic film adhered at spaced intervals to the perforated film, and formed into a plurality of bubbles. Moisture-absorbent material is disposed within the bubbles. A plurality of the bubbles i...

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Hauptverfasser:	MUELLER, WALTER B, LULHAM, C. MICHAEL, HESSEN, THOMAS A, SCHIRMER, HENRY G
Format:	Patent
Sprache:	eng ; fre
Schlagworte:	ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING BANDAGES, DRESSINGS OR ABSORBENT PADS CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOIDCHEMISTRY CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS,e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES,DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS 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 HUMAN NECESSITIES HYGIENE LAYERED PRODUCTS LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT ORNON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM MEDICAL OR VETERINARY SCIENCE ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES PACKAGES PACKAGING ELEMENTS PACKING PERFORMING OPERATIONS PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL PROSTHESES SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDEDFOR SHAPING OR JOINING OF PLASTICS STORING THEIR RELEVANT APPARATUS 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:	A moisture absorbent bubble laminate includes a perforated, thermoplastic film and a thermoformable, thermoplastic film adhered at spaced intervals to the perforated film, and formed into a plurality of bubbles. Moisture-absorbent material is disposed within the bubbles. A plurality of the bubbles is in communication with the perforations of the perforated film to permit moisture from a source of moisture to enter the bubbles and be absorbed by the moisture absorbent material. This laminate is particularly useful in applications such as purge traps for tray overwrapped moist products, disposable pads and the like.