Olin Corporation

William P Dwyer

Thomas P Patrosh

Anthony C Vulpitta

An improved plural component dispensing apparatus having a chemical flow stream separator to ensure separation of the isocyanate and polyol plural components is disclosed to permit solventless operation and the cleaning by an aqueous cleaning medium followed by a gaseous drying purge stream to prevent the reaction of water and the isocyanate component.

Chemical flow stream separator

An improved static mixer for use in a plural component dispensing apparatus is disclosed having a spacer intermediate a plurality of mixing elements to enhance the mixing and blending of the plural components. The static mixer may employ an air assist to increase the mixing energy within static mixer.

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Meriden, CT, United States of America

William P Dwyer