Ticona Gmbh

Hermann Kleinegesse

Frank Reil

Rotatable plastic rollers are produced by either injecting between a roller shaft and an outer running roller layer a thermoplastic material which, during cooling down, shrinks toward the roller shaft and away from the outer running roller layer on account of a contraction in volume or, in the multi-component injection-molding process, by first injecting the outer running roller layer and then injecting between the latter and the roller shaft a thermoplastic material which then likewise shrinks toward the roller shaft and away from the outer running roller layer. The process produces plastic rollers comprising an inner running roller layer ( ), which is bonded solidly with the roller shaft ( ), and an outer running roller layer ( ), which can rotate freely with respect to said inner layer by means of a sliding gap ( ). The roller shaft may optionally also be sheathed with a thermoplastic elastomer. This may take place in the same process during the multi-component injection molding.

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Tremsbüttel, Germany

Hermann Kleinegesse