Battenfeld GmbH of Meinerzhagen, Germany, said an unidentified Spanish customer has purchased one of its HM presses to mold toilet seats using sandwich molding, also known as coinjection.
Coinjection allows processors to mold an outer layer around a foamed core, or combine a core of regrind, and cut material costs. Also, reinforcing components can be added to the core material.
The process also can improve the properties of molded parts.
In the toilet-seat application, virgin ABS is used as the surface material. The core is made of recycled ABS with a granulate, to which a chemical foaming agent is added.
The machinery maker's U.S. headquarters, Battenfeld of America Inc., is in West Warwick, R.I.
Tel. (401) 823-0700, fax (401) 823-5641.