FILTER FOR FOOD PRODUCT AND FOOD PRODUCT-ENCLOSING BAG USING THE SAME

• Main Authors: IWASAKI HIROBUMI, KOO RUMINA
• Format: Patent
• Language: English
• Published: 25.12.2008
• Subjects: ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; APPARATUS FOR MAKING BEVERAGES; COFFEE MILLS; 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; DOMESTIC ARTICLES OR APPLIANCES; FURNITURE; HANDLING THIN OR FILAMENTARY MATERIAL; HUMAN NECESSITIES; KITCHEN EQUIPMENT; LAYERED PRODUCTS; LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT ORNON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM; PACKAGES; PACKAGING ELEMENTS; PACKING; PERFORMING OPERATIONS; PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL; SEPARATION; SPICE MILLS; STORING; SUCTION CLEANERS IN GENERAL; TRANSPORTING

PROBLEM TO BE SOLVED: To provide a filter for food products excellent in powder leakage property, thermal seal processibility, seal strength, and toughness. SOLUTION: The filter for food products is made of a laminated nonwoven fabric obtained by layering a first layer, a polyester type fiber layer; a second layer, a polyester type ultrathin fiber layer; and a third layer, a layer containing polyester type fibers having a melting point lower than the fibers composing the first layer by 30°C or more and uniting the layers by thermal pressure bonding and the laminated nonwoven fabric has weight per unit surface area (Metsuke) of 10 to 50 g/m2and hot-tack strength 1 N/25 mm or higher in a thermal sealing temperature range. COPYRIGHT: (C)2009,JPO&INPIT