초록 ▼

A long length of large plastic sheet tubing is stored in a cardboard storage cartridge having a hollow, box-like, flattened housing with a large circular opening in the top wall and a large circular opening in the bottom wall aligned with the first opening. A hollow center core is integral with the

A long length of large plastic sheet tubing is stored in a cardboard storage cartridge having a hollow, box-like, flattened housing with a large circular opening in the top wall and a large circular opening in the bottom wall aligned with the first opening. A hollow center core is integral with the top wall and is present within the cartridge, and it is of generally cylindrical form. Both the top and bottom walls of the cartridge are of generally square form, and the top wall has downturned side flanges that have a height slightly greater than the height of the hollow center core. A long length of large plastic sheet tubing is loaded into the cartridge when the bottom wall is opened and the cartridge is inverted, where the plastic sheet tubing is folded lengthwise or compressed into the area bounded by the hollow center core and the side flanges and the top and bottom walls of the cartridge housing. Means are provided for sealing the bottom wall to the cartridge to confine the plastic sheet tubing therein. The plastic sheet tubing is paid out from the cartridge through the large opening in the bottom wall of the cartridge.

대표청구항 ▼

A compact annular cartridge holding a supply of large plastic sheet tubing that is folded longitudinally into the cartridge, where the cartridge comprises: a. a hollow, box-like, flattened housing having a first large opening in the top wall and a second large opening in the bottom wall generally al

A compact annular cartridge holding a supply of large plastic sheet tubing that is folded longitudinally into the cartridge, where the cartridge comprises: a. a hollow, box-like, flattened housing having a first large opening in the top wall and a second large opening in the bottom wall generally aligned with the first opening; b. a hollow core formed in the housing and centered with respect to the top opening and suspended from the top wall a distance that would provide a narrow slot between the periphery of the bottom opening and the periphery of the bottom edge of the core; c. the bottom wall of the housing being removable so that a long length of the said large plastic sheet tubing may be loaded into this cartridge housing in the area bounded by the outside of the hollow core and the interior of the vertical walls of the housing, and the said narrow slot serves as a restraining means for resisting the wholesale removal of the plastic sheet tubing from the cartridge so the sheet tubing may be dispensed only one length at a time through the slot by exerting a tension force on the end of the sheet tubing positioned within the bottom opening.