Openable cartridge for facilitating egress and ingress of strip material

Claim 1

A cartridge comprising: a. first and second end walls of generally circular peripheral configuration, said end walls being generally parallel and aligned along a longitudinal axis of said cartridge, each end wall including a bearing surface for supporting said cartridge for rotation on said longitudinal axis, said first end wall having a central aperture extending therethrough to the cartridge interior and said second end wall having slot means on the outer surface thereof for connecting said cartridge to a first source of rotary drive in a predetermined angular orientation on its longitudinal axis; b. a length of sheet material extending between said end walls and attached to each of said end walls around the major portion of the peripheral outlines thereof, the area between the portions of end wall Outlines to which said sheet is not attached defining a passage to and from the space between said end walls; c. a cover flap extending from said sheet over said passage; d. a core located between said sidewalls and including means, formed on one core end and extending through said central aperture, for connecting said core to a second source of rotary drive and facilitating rotation of said core independent of a rotary source connected to said slot means; e. a coil of web material wound on said core, a leading end of said coil extending through said passage, between said cover flap and said sheet, to a location outside said cartridge; and f. means for frangibly coupling said cover flap to the overlapped portion of said sheet.