Apparatus for applying a backing of plastic material to a cutting blade
AssigneePhilip Morris Incorporated
InventorsClaude A. Bergeron, Hubert L. Smith
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Abstract
An apparatus for and method of forming a backing of plastic material at the rear edge of a cutting blade in which the edge is firmly imbedded by passing a conveyor on which the blades are arranged seriatim through an extrusion die the conveyor having feed lugs engaging the ends of the blades adapted also to maintain an accurate lateral position of the blades on the conveyor through the die, and continuing the advance through a cooling means and then through a cutting mechanism which severs the strip into individual blade units.
Claims7
An apparatus for forming a backing of plastic material on an edge of cutting blades comprising a continuous conveyor belt, means for driving the belt, means for depositing blades seriatim on the belt, said belt having lugs on its surface forming spacers between adjacent blade ends on said belt, an extrusion die through which said belt with the blades is advanced with means for forming a continuous strip of the plastic material with the edge of the blades fully imbedded therein, and cooling means through which the strip is fed from the extrusion die.
Dependencies are inferred from the claim text.