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CHEMEX GMBH

CHEMEX GMBH Patent applications
Patent application number	Title	Published
20110315911	CORE-SHEATH PARTICLE FOR USE AS A FILLER FOR FEEDER MASSES - The present invention relates to a core-sheath particle for use as a filler for feeder masses for the production of feeders, comprising (a) a carrier core having a size of 30 μm to 500 μm and composed of a material, which is resistant up to a maximum temperature of 1400° C. and contains no polystyrene, (b) a sheath surrounding the core composed of or comprising (b1) particles having a maximum D 50 value for grain size of 15 μm and resistant up to a temperature of at least 1500° C., and (b2) a binding agent binding the particles to one another and to the carrier core, wherein the core-sheath particle is resistant to temperatures up to 1450° C.	12-29-2011
20090301684	FEEDER INSERT AND FEEDER ELEMENT - A feeder element for use in casting molds, includes a first end for placing on a mold model and an opposing second end for connecting to or for carrying an upper feeder part. The feeder element has a passage extending from the first to the second end, wherein the feeder element is two-part or multi-part including a tube-like element which forms the first end of the feeder element; an adapter element with an opening into which the tube-like element is inserted so that it is connected with frictional engagement to the adapter element. The adapter element includes one or more path limiters to limit the insertion path of the tube-element, which are set up so that the outer face of the edge of the tube-like element opposing the first end, with insertion to the maximum extent within the adapter element, is present with its entire periphery, or portions thereof, exposed.	12-10-2009