A film is provided for use in a cassette. Preferably, the cassette is used in a waste disposal system. The film is a high density polyethylene film resin having both a low melt index and a high density, thereby providing improved odor control capabilities and enhanced tear strength and assembly stre
A film is provided for use in a cassette. Preferably, the cassette is used in a waste disposal system. The film is a high density polyethylene film resin having both a low melt index and a high density, thereby providing improved odor control capabilities and enhanced tear strength and assembly strength.
대표청구항▼
What is claimed is: 1. A cassette for holding waste in a waste disposal system, the cassette comprising: a body having a top, said body defining an annular space therein, said body being adapted to rotate in a container of the system a length of non-resilient flexible tubing positioned for use in a
What is claimed is: 1. A cassette for holding waste in a waste disposal system, the cassette comprising: a body having a top, said body defining an annular space therein, said body being adapted to rotate in a container of the system a length of non-resilient flexible tubing positioned for use in a tight layer in said annular space, said tubing being a film having odor control capability for an amount of odiferous gas that penetrates said film, said tubing having high tear strength and being capable of being sealed, wherein said tubing is dispensed through the top of said body when said body rotates to seal said tubing thereby enclosing the waste, and wherein said film is formed of a high density polyethylene film resin with both a low melt index and a high density, wherein said tubing has an organic permeant transmission rate of less than about 3.3×106 μl/m2-day, said organic permeant transmission rate being measured based upon transmission of 1-pentanethiol, valeric acid, p-cresol and indole. 2. The cassette of claim 1, wherein said tubing is a mono-layer high density polyethylene film resin. 3. The cassette of claim 1, wherein said tubing has an Elmdorf tear strength in the range of 9 g to 20 g in the mold direction. 4. The cassette of claim 1, wherein said tubing has an Elmdorf tear strength in the range of 30 g to 400 g in the direction transverse to a mold direction. 5. The cassette of claim 1, wherein said tubing has a melt index in the range of 0.1 g/10 min to 0.50 g/10 min. 6. The cassette of claim 1, wherein said tubing has a tensile strength at break in a mold direction of 7,000 psi to 13,000 psi. 7. The cassette of claim 1, wherein said tubing has a tensile strength at break in a transverse direction of 6,000 psi to 10,000 psi. 8. The cassette of claim 1, wherein said tubing has an elongation at break in a mold direction of 250% to 500%. 9. The cassette of claim 1, wherein said tubing has an elongation at break in a transverse direction of 300% to 700%. 10. The cassette of claim 1, wherein said tubing has a thickness in the range of 7 μm to 30 μm. 11. The cassette of claim 1, wherein said tubing has a colorant added thereto. 12. The cassette of claim 1, wherein said non-resilient flexible tubing has a constant gauge. 13. The cassette of claim 1, wherein said tubing has a density in the range of 0.90 g/cm3 to 0.99 g/cm3. 14. The cassette of claim 13, wherein said density is about 0.90 g/cm3. 15. A cassette for holding waste in a waste disposal system, the cassette comprising: a body having a top, said body defining an annular space therein, said body being adapted to rotate in a container of the system, a length of non-resilient flexible tubing positioned for use in a tight layer in said annular space, said tubing being a film having odor control capability of an amount of odiferous gas that penetrates said film and high tear strength and capable of being sealed, wherein said tubing is dispensed through the top of said body when said body rotates to seal said tubing thereby enclosing the waste, wherein said film is formed of a high density polyethylene film resin with both a low melt index and a high density and wherein said tubing has a deodorant added thereto. 16. The cassette of claim 15, wherein said tubing has an Elmdorf tear strength in the range of 9 g to 20 g in the mold direction and has an Elmdorf tear strength in the range of 30 g to 400 g in the direction transverse to a mold direction. 17. A cassette for holding waste in a waste disposal system, the cassette comprising: a body having a top, said body defining an annular space therein, said body being adapted to rotate in a container of the system, a length of non-resilient flexible tubing positioned for use in a tight layer in said annular space, said tubing being a film having odor control capability of an amount of odiferous gas that penetrates said film and high tear strength and capable of being sealed, wherein said tubing is dispensed through the top of said body when said body rotates to seal said tubing thereby enclosing the waste, wherein said film is formed of a high density polyethylene film resin with both a low melt index and a high density and wherein said tubing has a fragrance added thereto. 18. The cassette of claim 17, wherein said tubing has an Elmdorf tear strength in the range of 9 g to 20 g in the mold direction and has an Elmdorf tear strength in the range of 30 g to 400 g in the direction transverse to a mold direction. 19. The cassette of claim 17, wherein said tubing has an elongation at break in a transverse direction of 300% to 700%. 20. The cassette of claim 17, wherein said tubing has a colorant added thereto.
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