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1. WO1991000227 - PROCESS FOR INDICATING THE OPENING OF A CONTAINER, OPEN CONTAINER INDICATOR, AND MACHINE FOR MAKING SAME

Publication Number WO/1991/000227
Publication Date 10.01.1991
International Application No. PCT/FR1990/000475
International Filing Date 27.06.1990
IPC
B65D 55/02 2006.01
BPERFORMING OPERATIONS; TRANSPORTING
65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
DCONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
55Accessories for container closures not otherwise provided for
02Locking devices; Means for discouraging or indicating unauthorised opening or removal of closure
CPC
B65D 55/026
BPERFORMING OPERATIONS; TRANSPORTING
65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
DCONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
55Accessories for container closures not otherwise provided for
02Locking devices; Means for discouraging or indicating unauthorised opening or removal of closure
026initial opening or unauthorised access being indicated by a visual change using indicators other than tearable means, e.g. change of colour, pattern or opacity
Applicants
  • T.E.C.C. [FR/FR]; 17, rue des Entrepreneurs Zone Artisanale de la Plaine-Haute F-91560 Crosnes, FR (AllExceptUS)
  • RENAULT, Georges [FR/FR]; FR (UsOnly)
  • BROSSIER, Michel [FR/FR]; FR (UsOnly)
Inventors
  • RENAULT, Georges; FR
  • BROSSIER, Michel; FR
Agents
  • JULLIEN, Philippe; 97, avenue Carnot F-94100 Saint Maur, FR
Priority Data
89/0875728.06.1989FR
Publication Language French (FR)
Filing Language French (FR)
Designated States
Title
(EN) PROCESS FOR INDICATING THE OPENING OF A CONTAINER, OPEN CONTAINER INDICATOR, AND MACHINE FOR MAKING SAME
(FR) PROCEDE DE SIGNALEMENT DE L'OUVERTURE DE CONTENANTS, TEMOIN D'OUVERTURE DE CONTENANT ET MACHINE POUR FABRIQUER UN TEL TEMOIN
Abstract
(EN)
The process consists in applying to a defined surface covering both the packaging (1) and its closing means (2), a seal (3) made of two layers of heat-meltable materials which have very different melt temperatures. A coloured graphic element (4, 5), liable to deteriorate at temperatures lower than that of the lowest melting point of the heat-meltable materials used to make the seal (3), is then superimposed on said seal. Application: foodstuff packaging.
(FR)
L'invention concerne un procédé permettant de signaler l'ouverture d'un contenant, un témoin d'ouverture de contenant et une machine de fabrication d'un tel témoin. Le procédé consiste à projeter sur une surface déterminée, située à la fois sur le conditionnement (1) et sur son moyen de fermeture (2), un sceau (3) réalisé en deux couches de matières thermo-fusibles ayant des températures de fusion très différentes, et à superposer sur celui-ci un élément graphique coloré (4, 5), altérable pour des températures inférieures à celle du point de fusion le plus bas des matières thermo-fusibles utilisées pour réaliser le sceau (3). Principale application: conditionnement de produits alimentaires.
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