Method and an arrangement for the feed of a material web

Details Method and an arrangement for the feed of a material web Method and an arrangement for the feed of a material web

Category

B - Operations, Transporting

Subcategory

65

Subsubcategory

H

CPC

271/71

IPC codes

B65H 20/02 (2006.01)

Type

Patent

Patent number

CA 1154473

Description

ABSTRACT OF THE DISCLOSURE The feed of a web provided with a pattern can be effected using a rotating driver. When the feed is to be synchronous with a processing operation, or when for other reasons the feed must take place in register, the feed up to now has been monitored and corrected by photocell equip- ment and photocell marks made on the web. In the case of webs which are provided with transverse crease lines, as is customary for example in the packaging industry, the feed as well as the keeping in register may be effected in accordance with the invention using a feed mandrel which engages with the transverse crease lines of the web by means of a number of edges arranged around the circumfer- ence of the mandrel. Any faults in the mutual distance between the transverse crease lines are corrected auto- matically by the mandrel, and any special monitoring or subsequent correction of the feed is not necessary.

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