METHOD AND APPARATUS FOR APPLYING HOT MELT PRESSURE SENSITIVE ADHESIVE TO A HEAT SENSITIVE WEB

Apparatus and method for applying a hot melt adhesive to a web of heat sensitive material in which the adhesive is heated and extruded in a continuous flat bead having a substantially rectangular cross-section onto a rotating chill roll, cooled, contacted by a web of heat sensitive material and ther...

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Bibliographische Detailangaben
Hauptverfasser:	RUSSELL EVAN THORSON, LORRY FRANCIS SALLEE
Format:	Patent
Sprache:	eng
Schlagworte:	ACCESSORIES ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE ADHESIVES APPARATUS FOR APPLYING LIQUIDS OR OTHER FLUENT MATERIALS TOSURFACES, IN GENERAL APPLYING LIQUIDS OR OTHER FLUENT MATERIALS TO SURFACES, IN GENERAL BANDAGES, DRESSINGS OR ABSORBENT PADS CHEMISTRY DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF,TUBULAR STRUCTURES OF THE BODY, E.G. STENTS DYES FILTERS IMPLANTABLE INTO BLOOD VESSELS FIRST-AID KITS FOMENTATION HATS HEAD COVERINGS HEADWEAR HUMAN NECESSITIES HYGIENE MEDICAL OR VETERINARY SCIENCE METALLURGY MISCELLANEOUS APPLICATIONS OF MATERIALS MISCELLANEOUS COMPOSITIONS NATURAL RESINS NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES OUTERWEAR PAINTS PERFORMING OPERATIONS POLISHES PROSTHESES PROTECTIVE GARMENTS SPRAYING OR ATOMISING IN GENERAL TRANSPORTING TREATMENT OR PROTECTION OF EYES OR EARS USE OF MATERIALS AS ADHESIVES WEARING APPAREL
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Beschreibung
Zusammenfassung:	Apparatus and method for applying a hot melt adhesive to a web of heat sensitive material in which the adhesive is heated and extruded in a continuous flat bead having a substantially rectangular cross-section onto a rotating chill roll, cooled, contacted by a web of heat sensitive material and thereafter pressed together so that the adhesive conforms to the web material and bonds thereto, and the bonded adhesive and web stripped from the chill roll.