Sleeve-type envelope of heat-shrinkable plastic material for...

B - Operations – Transporting – 65 – D

Patent

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Details

B65D 23/08 (2006.01) B65D 23/14 (2006.01) B65D 55/08 (2006.01) G09F 3/02 (2006.01)

Patent

CA 2274141

The envelope (100) has an additional flap (103) extending outwards by superposition and attached to the main portion (101) by two parallel welding lines (102, 105). The additional flap (103) bears an annexed reinforcement strip (106) containing at least one cut (110) that defines the outline of a prehension tongue (114). Two slits (113) in the side of the flap, which mark the starting ends of a tear, extend the cut (110) beyond the reinforcement strip (106). The flap further bears a dotted pinhole line (104) at a distance from and parallel to the reinforcement strip (106), which allows the stub to be torn from the relevant portion of said flap.

L'enveloppe (100) comporte un rabat complémentaire (103) s'étendant extérieurement par superposition en étant relié à la portion principale (101) par deux lignes de soudure parallèles (102, 105). Conformément à l'invention, le rabat complémentaire (103) présente une bande rapportée de renfort (106) dans laquelle est pratiquée au moins une découpe (110) définissant le contour d'une languette de préhension (114). La découpe (110) se prolonge au-delà de la bande de renfort (106) par deux fentes (113) pratiquées dans la paroi du rabat et formant amorces de déchirure. Le rabat présente en outre une ligne de piqûres (104) s'étendant parallèlement à la direction de la bande de renfort (106) et à distance de celle-ci, pour permettre de détacher le volet obtenu par déchirure de la portion concernée dudit rabat.

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