Importance

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Abstract

An apparatus is disclosed for adhering a synthetic resin gasket to a filtering element of an air filter. The apparatus incorporates a mold having a synthetic resin forming gasket cavity therein in which the synthetic resin gasket is formed. The cavity has an injection recess portion and an expansion recess portion. The two portions are separated by a movable mold element which may be positioned to substantially separate or substantially adjoin the injection recess and expansion recess portions. When the movable mold element is in the separation position, synthetic resin may be introduced into the injection recess position without contacting the filtering element. When the movable mold element is in the adjoining position, the resin may expand into the expansion recess until the resin contacts and adheres to the filter element. An automated version of this apparatus is also disclosed.

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First Claim