US 4,864,906 A · Core slabbing machine

Abstract

A core slabbing machine for the removal of paper wound on a mill roll core, to thereby permit reuse of the core. The machine includes a horizontal core-receiving mandrel and a carraige which moves horizontally back and forth above, and aligned with, the mandrel. The carriage carries a freely rotatable cutting wheel which is forced downwardly by a pneumatic cylinder onto the paper to be removed from a core. Each horizontal pass of the rotary cutting wheel cuts through a number of layers of paper determined by the force on the cutting wheel. This action is automatically controlled and continues until the cutting wheel reaches the core surface exterior after a number of cutting passes. The freely rotatable cutting wheel exerts a force on the core and paper substantially at right angles to the core and its supporting mandrel, thus obviating the need to anchor the core relative to the mandrel.

Claims18

Dependent claims

A core slabbing machine for removing residual layers of papers wound on the hollow core of a mill roll, comprising a frame;

an elongated mandrel horizontally mounted on said frame, said mandrel adapted to freely receive the hollow core in non-secured relationship;
a carriage movably supported on said framed means for moving said carriage back and forth above the mill roll in a direction parallel to said mandrel;
a freely rotatable cutting wheel adjustably carried by said carriage, said cutting wheel oriented in a plane which substantially bisects the longitudinal axis of the mill roll;
and pressure means provided in said carriage and connected to said cutting wheel for forcing said butting wheel against the residual layers of paper, whereby the residual layers of paper are cut from the hollow core by said cutting wheel responsive to repeated back and forth motion of said carriage and said cutting wheel.

1 more element

A core slabbing machine for removing residual layers of paper wound on a hollow core, comprising a frame, a beam carried by said frame and a elongated mandrel extending from said frame in horizontal, cantilever relationship beneath said beam, said mandrel adapted to freely and loosely receive the hollow core and the residual paper wound thereon in non-secured relationship;

a carriage movably carried by said beam and adapted to traverse said beam above said mandrel and the hollow core;
drive means carried by said beam and linked in driving association with said carriage for causing said carriage to traverse said beam;
a freely rotatable cutting wheel carried by said carriage for engaging the layers of paper wound on the hollow core;
and pressure means attached to said carriage for applying pressure to the cutting wheel and sequentially forcing said cutting wheel through the layers of paper to the hollow core responsive to traversal of said beam by said carriage.

1 more element

Dependencies are inferred from the claim text.

Core slabbing machine

Life of this patent

Core slabbing machine

Life of this patent

Abstract

Claims18