Steam injection extrusion apparatus, process, and

专利名称：Steam injection extrusion apparatus,

process, and the resultant product

发明人：Ter-Fung Tsao申请号：US05/917322申请日：19780619公开号：US04208476A公开日：19800617

摘要：Steam injection into a thermoplastic extrudate as it leaves an extruder followedby mixing of the steam with the extrudate to raise the temperature and moisture contentof the extrudate and lower viscosity forms a suitable product from a thermoplasticdough at an increased output. This is accomplished by extruding a thermoplastic dough,adding steam through an injection means into the extrudate as it exits from the extruderfollowed by mixing of the steam with the extrudate using a mixing means. The steaminjection means and the mixing means are located in an enclosed transfer means betweenthe extruder outlet and the actual outlet of the product from the enclosed transfermeans. The increased output may be handled by any suitable recovery means.

申请人：QUAKER OATS CO THE

代理人：Joseph P. O'Halloran

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