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US 2016/0031113 A1Published application
Device for separating a tubular web
AssigneeWindmoller & Holscher
InventorWerner BECKONERT
Life of this patent
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Abstract
The invention relates to a Device (10) for separating a tubular web (11) in two flat webs (12, 13) with an adjustable blade (20) for cutting the tubular web (11) and with a pulling device (30) which impinges the blade (20) with a tensile force (K) on a folding edge (14) of the tubular web (11) wherein the pulling device (30) is configured in a way that the tensile force (K) is adjustable depending on the tubular properties of the tubular web (11) and that the tensile force (K) can be mainly kept constant with constant tubular properties independent from the tubular web (11).
Claims17
Device for cutting a tubular web with
- an adjustable blade for cutting the tubular web
- and with a pulling device which impinges the blade with a tensile force on a folding edge of the tubular web
- wherein
- the pulling device is configured in a way that the tensile force is adjustable depending on the tubular properties of the tubular web and that the tensile force can be mainly kept constant with constant tubular properties independent from the tubular web.
1 more element
Dependencies are inferred from the claim text.