Thread removal apparatus and method

Details Thread removal apparatus and method Thread removal apparatus and method

Category

B - Operations, Transporting

Subcategory

65

Subsubcategory

B

IPC codes

B65B 29/04 (2006.01)

Type

Patent

Patent number

CA 2168862

Description

A web (W) of sheet material intended to form individual tagged packets has surplus portions of a thread (S) extending along its length removed while the web is being advanced. After severing one end of each unwanted thread portion with a rotary cutter (2), the severed end is lifted by a wiper (10), and the lifted end is held away from the web by suction means (20) while it is detached by shearing means (22). The suction means (20) then remove the detached thread portion.

Une bande (W) de matériau en feuille devant servir à façonner des paquets marqués individuellement comporte des portions de ruban (S) excédentaires longitudinales devant être enlevées alors que la bande avance. Après avoir été sectionnée à l'une des extrémités par un tranchet rotatif (2), la partie indésirée du ruban est soulevée par un balai (10) puis écartée de la bande par des moyens d'aspiration tandis que des moyens de cisaillement (22) la détachent pour permettre aux moyens d'aspiration de l'enlever.

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