1
Charles Sperry
Charles R Sperry, Vincent A Piucci Jr: Apparatus and method for producing bags and foam-in-bag cushions. Sealed Air Corporation, October 29, 2002: US06472638 (25 worldwide citation)

A bag forming apparatus and method that features a single drive unit for operating both a drive roller and cross-cut mechanism with the drive motor assembly being internalized within the drive roller. The bag forming apparatus and method also features a easy slide in, slide out edge sealer and vent ...


2
Charles Sperry
Charles R Sperry, Vincent A Piucci Jr: Apparatus and method for producing bags and foam-in-bag cushions. Carpenter Company, Smith Gambrell & Russell, January 30, 2001: US06178725 (13 worldwide citation)

A bag forming apparatus and method with single drive unit operating a drive roller and a cross-cut mechanism with the drive motor assembly being internalized within the drive roller. The apparatus is particularly designed for feeding, solely through use of a full film width contact drive roller, fil ...


3
Charles Sperry
Sperry Charles R, Piucci Vincent A Jr: Apparatus and method for producing bags and foam-in-bag cushions. Carpenter Co, Sperry Charles R, Piucci Vincent A Jr, sDEGRANDI Joseph A, November 18, 1999: WO/1999/058324

A bag forming apparatus (100) and method that features a single drive unit (180) for operating both a drive roller (168) and cross-cut mechanism (360) with the drive motor assembly (178) being internalized within the drive roller. The bag forming apparatus is particularly designed for feeding, solel ...