Apparatus for severing a web

Cutting – Rotatable disc tool pair or tool and carrier – With means to support work relative to tool

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Details

83485, 83488, B23D 1900, B26D 118

Patent

active

041310462

ABSTRACT:
An apparatus for cutting a web has a support with an upper flat surface formed with an elongated slot that extends in a cutting direction. An elongated guide is parallel to and above the support surface and extends in a direction perpendicular to the direction of displacement of a web across the surface. This guide is limitedly vertically displaceable relative to the support surface and a carriage is longitudinally displaceable along the guide by means of rollers. A wheel is journalled in the carriage for rotation about an axis perpendicular to the cutting direction and has a periphery centered on the axis and engageable through a web workpiece with the surface so as to support the wheel, carriage and guide with their weight on the support surface. A cutter disc fixed to and jointly rotatable with the wheel extends through the slot in the table so that relative displacement of the wheel and the workpiece will cause the wheel to sever the workpiece at the slot, the wheel meanwhile holding the workpiece tightly down against the table and rotating the disc.

REFERENCES:
patent: 2219485 (1940-10-01), Neuwirth
patent: 2651366 (1953-09-01), Ide
patent: 3566932 (1971-03-01), Papenmeier
patent: 4054072 (1977-10-01), Jagers

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