Cutting – Processes – With preparatory or simultaneous ancillary treatment of work
Patent
1989-08-10
1991-05-28
Eley, Timothy V.
Cutting
Processes
With preparatory or simultaneous ancillary treatment of work
83 78, 83109, 1122623, 11212115, 112304, 198512, 198376, 271 10, 271264, D05B 100, D05B 2700
Patent
active
050184164
ABSTRACT:
A leading edge of a web is fed to an upstream cutting station and is gripped at the cutting station with an upstream clamp which is then advanced downstream away from the cutting station to a middle station and is arrested in the middle station where the leading edge of the web is gripped with a downstream clamp and released from the upstream clamp. The leading edge held by the downstream clamp is then moved downstream to a holding station and the opened upstream clamp is moved along the web to a position slightly upstream of the upstream cutting station. The web is then gripped immediately downstream of the upstream cutting station with an upstream clamping conveyor and immediately upstream of the downstream holding station with a downstream clamping conveyor, and is gripped immediately upstream of the upstream cutting station with the upstream clamp. Finally the web is cut between the upstream clamp and the upstream clamping conveyor so as to cut the leading end off the web, leaving the cut-off end spanned between the upstream clamping conveyor and downstream clamping conveyor and forming a new leading edge of the web at the cutting station. The cut-off piece is conveyed away from the stations with the clamping conveyors.
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Carl Schmale GmbH & Co. KG
Dubno Herbert
Eley Timothy V.
Wilford Andrew
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