Abstract: An apparatus for creating extrusions having an inner portion of one substance and an outer portion of another substance. The apparatus includes two bins that each receives a different type of material, two multi-paddle members for feeding material, an inner worm screw conveyor, an outer worm screw conveyor, a casing maintaining distinct materials within the worm screw conveyors while separated from one another, an electronic eye assembly for detecting the amount of material extruded, a material cutting mechanism, a replaceable nozzle, and two independent motors for driving the worm screw conveyors. In operation, the feeding members feed materials from the bins to the worm screw conveyors, which convey the material to the replaceable nozzle. The materials are expelled from the nozzle in such a way that one type of material forms an outer portion, and the other type of material forms an inner portion. The motors are coupled to the conveyors by gears allowing variation of the speed of conveying of materials.

Abstract: A machine for sealing epoxy sticks has a conveyor belt system and a heating chamber. The speed of the conveyor belt is adjustable. The heating chamber has heating elements which can be spatially adjusted to be nearer to or farther from the sticks to be sealed. The temperature of the heating elements can also be adjusted. A method of using the machine includes a step of the orienting the grain of plastic wrapping used to wrap the epoxy sticks.