Closure and seal device for sealing envelopes and plastic...

B - Operations – Transporting – 65 – D

Patent

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Details

B65D 27/30 (2006.01) B65D 33/34 (2006.01)

Patent

CA 2211819

A device for the closure and sealing of envelopes and the like comprising first and second elongated strips of plastic material (2, 3), foldable, one upon the other, along a narrow longitudinal hinge line (4). The first strip (2) has a series of locking pins (6) distributed along its length, each of the locking pins having a weakened base, and the second strip (3) is provided with a series of sockets (8) adapted for receiving respective locking pins in locking relation therein. With the purpose of permitting the device to be opened easily, when applied to a plastic envelope (11) with the locking pins penetrating orifices formed along the two borders at the mouth of the envelope, at least a part along the length of the longitudinal hinge line (4), starting from a first end, is weakened (at 9), and each strip is provided, at its first end, with an appendage capable of being held between the fingers of the user.

Dispositif de fermeture et de scellement d'enveloppes ou analogues, comportant une première et une seconde bande allongée en matière plastique (2, 3) pouvant se replier l'une sur l'autre le long d'une ligne longitudinale étroite d'articulation (4). La première bande (2) possède une succession de picots de verrouillage (6) répartis dans le sens de sa longueur, chacun des picots de verrouillage ayant une base affaiblie, et la seconde bande (3) est pourvue d'une succession de concavités (8) aptes à accueillir les picots de verrouillage respectifs et à rester bloquées par rapport à ceux-ci. Afin de faciliter l'ouverture du dispositif, au moins une partie de la longueur de la ligne longitudinale d'articulation (4), à partir d'une première extrémité, est affaiblie (en 9), lorsqu'elle est appliquée à une enveloppe en matière plastique (11) et que les picots de verrouillage sont engagés dans les orifices formés le long des deux bords de l'ouverture de l'enveloppe, et chaque bande est pourvue, à sa première extrémité, d'un élément rapporté que l'utilisateur peut saisir entre ses doigts.

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