Importance

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Abstract

An adjustable extrusion die assembly forming part of an extruder for an elastic material, comprises: a stationary die member having an end surface; a plurality of movable die members positioned in side-by-side relationship to one another and slidably contacted with one another, the movable die members respectively having end surfaces opposing to and spaced apart from the end surface of the stationary member, the end surfaces of the stationary and movable die members defining in combination an extrusion opening through which the elastic material is to be extruded, the movable die members being individually movable toward and away from the end surface of the stationary die member with respect to one another so as to vary the distances between the end surface of the stationary die member and the end surfaces of the movable die members; a guide member having formed therein a guide slit having the movable die members guided therein; and a plurality of link members each interconnecting two adjacent movable die members.

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First Claim