Slitting
AssigneeHexcel Composites Limited
InventorJohn Ellis
Life of this patent
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Abstract
The present invention relates to an apparatus for slitting a web into a plurality of narrower segments comprising a feed for the web, a slitting system and one or more drivers for driving the web through the slitting system. The drivers contact the web on one side with its contact surface, and its contact surface has a surface roughness Ra in the range of from 20 to 0.2 micrometres, preferably from 20 to 3 micrometres.
Claims20
An apparatus for slitting a web into a plurality of narrower segments comprising a feed for the web, a slitting system and one or more drivers for driving the web through the slitting system, wherein the driver contacts the web on one side with its contact surface, the contact surface having a surface roughness Ra in the range of from 20 to 0.2 micrometres.
A process for slitting a moving web into a plurality of narrower segments comprising feeding the web to a slitting system and withdrawing the narrower segments from the slitting system wherein the web is driven by contact between the web and a driver wherein the driver has a surface roughness Ra in the range of from 20 to 3 micrometers.
Dependencies are inferred from the claim text.