ROLLER FOR THE ROLLER MACHINES Russian patent published in 2006 - IPC B29B7/56 B29K101/00 

FIELD: chemical industry; devices for reprocessing of the polymeric materials.

SUBSTANCE: the invention is pertaining to the field of chemical industry, in particular, to the design of the rollers for the roller machines of reprocessing of the polymeric materials. The roller for the roller machines contains: a shell ring; a drum with a heat-exchange area having the screw-type channels, which are passing from the center of the drum towards its butts with an opposite to each other direction of the rifling and made in the form of a variable cross-section with their depth increasing; a journal with channels for a refrigerant feeding to the center of the roller and the refrigerant withdrawal from the roller butts. The roller is supplied with an additional heat-exchange area formed by the internal cavities of the drum, the journals and the channels for the refrigerant feeding and withdrawal. The drum is rigidly coupled with the shell ring and the channels for the refrigerant feeding and withdrawal are arranged in the general branch-pipe mounted inside one of the journals. The increase of the depth of the screw-type channels is made from the center of the drum towards its butts. The invention ensures the uniform cooling of the roller and increases effectiveness of the heat-exchange.

EFFECT: the invention ensures the uniform cooling of the roller and increases effectiveness of the heat-exchange.

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