Charles Sperry
Charles R Sperry, Suzanne M Scott, Dennis F McNamara Jr, Vincent A Piucci Jr, Michael J Schamel: Method and apparatus for making foam-in-place cushions with selective distribution of foam. Sealed Air Corporation, Alston & Bird, October 27, 2009: US07607911 (46 worldwide citation)

A method and apparatus for making a foam-in-place cushion in which a foam-forming composition is dispensed between two plastic film portions in a predetermined fashion to selectively control the distribution of the foam in the cushion. A foam dispenser can be moved in a transverse direction as foam ...

Charles Sperry
Charles R Sperry, Vincent A Piucci Jr, Todd A Hanna: Automated cushion forming system. Carpenter Co, Smith Gambrell & Russell, May 22, 2001: US06234777 (39 worldwide citation)

A foam bag cushion forming system for forming foam bag cushions with a vertical side edge sealer that forms vertical side edge seals in the film material with the foam introduction preferably occurring after the downstream side seal is formed, before the upstream side edge seal is formed, and while ...

Charles Sperry
Charles R Sperry, Laurence B Sperry: High speed apparatus for forming foam cushions for packaging purposes. Sealed Air Corporation, Bell Seltzer Park & Gibson P A, October 21, 1997: US05679208 (38 worldwide citation)

A sealing and severing apparatus is disclosed for sealing plastic bags formed in succession from stock plastic film material and then severing the sealed bags from one another. The bags are filled with a foamable composition while they are being formed so that when the formed and filled bags are pla ...

Charles Sperry
Charles R Sperry, Laurence B Sperry, Craig E Robert, Michael J Seckler, Brian Kent Farison, Abraham N Reichental: Compact packaging device for forming foam filled cushions for packaging purposes. Sealed Air Corporation, Alston & Bird, December 21, 1999: US06003288 (34 worldwide citation)

A packaging device is disclosed for forming packaging cushions of the type that include a plastic bag filled with a solid foam, and wherein the cushions are initially formed of a plastic bag filled with a foamable material that reacts and then hardens to form solid foam. The device comprises means f ...

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 ...

Charles Sperry
Charles R Sperry, Suzanne Scott: Apparatus and method for forming inflated containers. Sealed Air Corporation, Thomas C Lagaly, November 25, 2003: US06651406 (32 worldwide citation)

An apparatus for forming inflated containers includes a film web that includes two juxtaposed film plies, a closed longitudinal edge, an open longitudinal edge, and a series of transverse seals having a first end located at the closed longitudinal edge and a second end terminating a predetermined di ...

Charles Sperry
Charles R Sperry: Foam dispensing apparatus. Instapak Corporation, Albert Siegel, March 23, 1976: US03945569 (32 worldwide citation)

Apparatus for mixing and dispensing two liquids such as organic resins and polyisocyanates which react to form a polyurethane foam. The apparatus comprises a dispensing gun and related equipment and includes a reciprocally mounted valving rod in the gun, which valving rod is circular at its ends and ...

Charles Sperry
Charles R Sperry, Henry Ruddy, Laurence B Sperry: Tip for a foam in place injection cartridge. Sealed Air Corporation, Bell Seltzer Park & Gibson, October 26, 1993: US05255847 (29 worldwide citation)

A cleaning system is disclosed for pumping compressed air and cleaning solvent to the injection cartridge of a foam-in-place packaging system. The cleaning system comprises a solvent tank for containing a stock supply of solvent; a source of compressed air; and an air-activated submersible solvent p ...

Charles Sperry
Charles R Sperry, Suzanne M Scott, James M Corliss: Inflator/sealer device for inflatable packaging cushion. Sealed Air Corporation, Daniel B Ruble, May 27, 2003: US06569283 (28 worldwide citation)

An inflator/sealer machine useful for inflating and sealing an inflatable cushion having a resistance wire that extends across the inlet of the inflatable cushion. The machine includes an inflation tube, a seal bar, and an anvil. The inflation tube is connected to a source of inflation fluid and has ...

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 ...