PACKAGING BAG FOR RETORT

PROBLEM TO BE SOLVED: To provide a packaging bag for retort by which whether a retort process has surely been performed or not can easily visually be checked when the packaging bag is used for the sterilization by treating with steam or hot water of a high temperature such as a retort sterilization...

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Bibliographic Details
Main Authors SHIMOMURA KYOICHI, KOKURYO TOSHINARI
Format Patent
LanguageEnglish
Published 24.08.2006
Subjects
ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR
ADHESIVES
CHEMICAL PAINT OR INK REMOVERS
CHEMISTRY
COATING COMPOSITIONS, e.g. PAINTS, VARNISHES ORLACQUERS
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
CORRECTING FLUIDS
DYES
FILLING PASTES
HANDLING THIN OR FILAMENTARY MATERIAL
INKS
LAYERED PRODUCTS
LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT ORNON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
METALLURGY
MISCELLANEOUS APPLICATIONS OF MATERIALS
MISCELLANEOUS COMPOSITIONS
NATURAL RESINS
PACKAGES
PACKAGING ELEMENTS
PACKING
PAINTS
PASTES OR SOLIDS FOR COLOURING OR PRINTING
PERFORMING OPERATIONS
POLISHES
STORING
TRANSPORTING
USE OF MATERIALS THEREFOR
WOODSTAINS
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Summary:PROBLEM TO BE SOLVED: To provide a packaging bag for retort by which whether a retort process has surely been performed or not can easily visually be checked when the packaging bag is used for the sterilization by treating with steam or hot water of a high temperature such as a retort sterilization while housing a content such as a curry. SOLUTION: This packaging bag for retort comprises a laminated body having a base material layer and a heat-bondable resin layer. The packaging bag for retort is constituted by forming an indicator ink layer composed of an ink containing an aluminum powder pigment which is de-colored by the retort process on the external surface of the base material layer. Alternatively, the packaging bag for retort is constituted by forming the indicator ink layer comprising the ink containing the aluminum powder pigment which is de-colored by the retort process on the external surface of the base material layer, and at the same time, forming a display section on the internal surface of the base material layer at the region where the indicator ink layer is formed. COPYRIGHT: (C)2006,JPO&NCIPI
Bibliography:Application Number: JP20050031245