US 12,139,325 B2
Film-dispensing cassette for waste-disposal systems
Michel Morand, Verdun (CA); and Hugo Moerman-Rousseau, St-Hubert (CA)
Assigned to ANGELCARE CANADA INC., Montreal (CA)
Appl. No. 17/912,575
Filed by ANGELCARE CANADA INC., Montréal (CA)
PCT Filed Mar. 30, 2022, PCT No. PCT/CA2022/050483
§ 371(c)(1), (2) Date Sep. 19, 2022,
PCT Pub. No. WO2022/204813, PCT Pub. Date Oct. 6, 2022.
Claims priority of provisional application 63/167,749, filed on Mar. 30, 2021.
Prior Publication US 2024/0208721 A1, Jun. 27, 2024
Int. Cl. B65F 1/06 (2006.01)
CPC B65F 1/062 (2013.01) [B65F 2240/132 (2013.01)] 20 Claims
OG exemplary drawing
 
1. A film-dispensing cassette comprising an annular cassette body having a top end and a bottom end, the annular cassette body having a central opening, the central opening having a central axis, the annular cassette body defining a receptacle extending around the central opening, the receptacle having an annular opening at the top end of the annular cassette body, the receptacle having a registration wall extending along a periphery of the central opening, the registration wall having a downwardly facing surface having a relief defining a pattern of protrusions and recesses, the protrusions having respective crest lines extending obliquely relative to the central axis, the crest lines lying in a virtual frustum, a free annular volume being delimited by the virtual frustum, a virtual cylinder projecting from the periphery of the central opening, and an axial plane at a bottom of the cassette body.