Importance

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Abstract

Wear strips removably installed on the tube forming apparatus of form-fill-seal packaging machines of the type having a tube former and depending tubular fill pipe through which quantities of product are passed and over which a strip of packaging material is pulled by transfer belts to progressively form the material into a depending and upwardly open tubular configuration and subsequently sealed to form product bearing packages. The wear strips comprise a pair of circumferentially spaced rectangular members removably attached to the fill pipe adjacent the transfer belts to receive substantially the full frictional wearing force caused by the transfer belts pressing and moving the packaging material against the fill pipe. The outer surface of the wear strips are configured to substantially reduce the contact surface area and the resulting wearing of the transfer belt and thus reduce the frequency of replacement and repair of the belts.

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First Claim