Tape perforating head assembly and method

B - Operations – Transporting – 65 – B

Patent

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Details

B65B 61/02 (2006.01) B26D 7/26 (2006.01) B26F 1/20 (2006.01) B26F 1/24 (2006.01) B65B 61/18 (2006.01)

Patent

CA 2215917

A tape perforating head assembly (23) for scoring a perforated tear line in a piece of packaging tape joining article carriers together includes a headpiece (26), a plurality of perforating blades (31) supported on the headpiece (26) parallel to and adjacent one another, each perforating blade (31) having a series of serrated teeth constructed and arranged to score the perforated tear line in the packaging tape. Each perforating blade (31) is supported on the headpiece (26) for reciprocal movement with respect to one another into a normally extended position away from the headpiece, and into a retracted position on the headpiece (26). The tape perforating head assembly (23) also includes a spring (60) positioned within a bore (55) in which a guide pin is received, a pair of guide pins, and a pair of bores being provided for each perforating blade (31).

Un ensemble tête de perforation (23) de bande, conçu pour encocher une ligne de pointillés perforés dans une pièce de ruban d'emballage assemblant des paquets d'articles, comporte une pièce de tête (26), une pluralité de lames perforatrices (31) portées par la pièce de tête (26) et disposées de façon parallèle et adjacentes les unes aux autres, chacune de ces lames perforatrices (31) comportant une série de dents de scie conçues et disposées pour encocher la ligne de pointillés perforés dans le ruban d'emballage. Chaque bande perforatrice (31) est maintenue sur la pièce de tête (26) de façon à effectuer un mouvement de va-et-vient les unes par rapport aux autres entre une position d'extension normale à l'écart de la pièce de tête et une position de retrait sur la pièce de tête (26). Ledit ensemble tête de perforation (23) de bande comporte également un ressort (60) positionné à l'intérieur d'un alésage (55) conçu pour recevoir un tenon de guidage, chacune des lames perforatrices (31) présentant une paire de tenons de guidage et une paire d'alésages.

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