1
Charles Sperry
Charles R Sperry, Paul J Bladyka: Detachable mixing chamber for a fluid dispensing apparatus. Sealed Air Corporation, Lerner David Littenberg Krumholz & Mentlik, September 4, 1984: US04469251 (33 worldwide citation)

A detachable mixing chamber is constructed and arranged to receive a plurality of fluid components from a source thereof for forming a fluid such as a foam to be discharged therefrom. The chamber includes a core having a bore therein and a plurality of inlet openings arranged in communication with t ...


2
Charles Sperry
Charles R Sperry, Paul J Bladyka: Syringe and syringe actuator. St Onge Steward Johnston & Reens, April 5, 1988: US04735619 (27 worldwide citation)

An elongate flexible syringe for the injection of fluids is formed with an elongate flexible tube and an elongate flexible rod sized to move through the bore of the tube to control the discharge of liquid in the tube. A cartridge is provided to store the flexible rod in a coiled form. The flexible r ...


3
Charles Sperry
Charles R Sperry, Paul J Bladyka: Apparatus, method and article for applying a melted adhesive. Charles R Sperry, St Onge Steward Johnston & Reens, February 14, 1989: US04804110 (14 worldwide citation)

A dispenser is described for extruding a hot melt adhesive obtained by melting a rod of adhesive in a normally closed pressurized melting chamber. The rod is supplied from a remotely located spool through a flexible conduit to an inlet of the dispenser. A seal is placed at the inlet and is cooled by ...


4
Charles R Sperry, Paul J Bladyka: Detachable mixing chamber for a fluid dispensing apparatus. Sealed Air Corporation, Lerner David Littenberg Krumholz & Mentlik, February 4, 1986: US04568003 (52 worldwide citation)

A detachable mixing chamber is constructed and arranged to receive a plurality of fluid components from a source thereof for forming a fluid such as a foam to be discharged therefrom. The chamber includes a core having a bore therein and a plurality of inlet openings arranged in communication with t ...



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