US 12,486,076 B2
Bag roll cassette and method of use
Michel Morand, Montreal (CA); and Maurice Pinsonnault, Québec (CA)
Assigned to INTERNATIONAL REFILLS COMPANY LTD, Christ Church (BB)
Filed by INTERNATIONAL REFILLS COMPANY LTD, Welches Christ Church (BB)
Filed on Oct. 27, 2021, as Appl. No. 17/511,930.
Application 17/511,930 is a continuation of application No. 16/603,113, granted, now 11,987,423, previously published as PCT/IB2018/058402, filed on Oct. 26, 2018.
Claims priority of provisional application 62/734,014, filed on Sep. 20, 2018.
Claims priority of provisional application 62/577,469, filed on Oct. 26, 2017.
Prior Publication US 2022/0119155 A1, Apr. 21, 2022
Int. Cl. B65D 33/00 (2006.01); B65B 43/14 (2006.01); B65D 83/08 (2006.01); B65F 1/06 (2006.01)
CPC B65D 33/002 (2013.01) [B65D 83/0805 (2013.01); B65F 1/062 (2013.01); B65B 43/14 (2013.01)] 24 Claims
OG exemplary drawing
 
1. A waste disposal system comprising:
a disposal unit having a base in a bottom of the disposal unit, an upstanding wall extending from the base and delimiting part of an inner cavity, a cover mounted atop the upstanding wall and defining an opening, a tubular bag support adjacent to the cover and delimiting a bag support periphery, the tubular bag support having an inner perimeter CS and a wall thickness T, the opening providing access to the inner cavity of the waste disposal unit, a door pivotable to open and close a top access to the inner cavity via the opening; and
a bag configured for being hung to the tubular bag support, the bag having:
a tubular body with a top open end and a bottom closed end, the tubular body having a larger open transverse dimension D at the top open end, and a narrower open transverse dimension adjacent to the bottom closed end,
wherein the larger open transverse dimension D is sized in accordance with: (CS/π+2T)<D<1.05(CS/π+2T).