# US 12,108,793 B2 · Shisha cartridge for housing an aerosol-forming shisha substrate > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 12,108,793 B2 - Document ID: US12108793B2 - Status: Granted - Kind: B2 - Application number: 17/616,504 - Filed: 2020-06-24 - Published: 2022-07-14 - Granted: 2024-10-08 - Earliest claimed: 2019-06-26 - Assignees: Philip Morris Products S.A. - Applicants: Philip Morris Products S.A. - Inventors: Frederic Nicolas - Web page: https://patentgrep.com/patent/US12108793B2 ## CPC - A24F 40/42: Cartridges or containers for inhalable precursors - A24D 1/14: Tobacco cartridges for pipes - A24F 1/30: Hookahs - A24F 40/00: Electrically operated smoking devices; Component parts thereof; Manufacture thereof; Maintenance or testing thereof; Charging means specially adapted therefor - A24F 40/20: Devices using solid inhalable precursors - A24F 40/485: Valves; Apertures - A24F 40/10: Devices using liquid inhalable precursors - A24F: SMOKERS' REQUISITES; MATCH BOXES; SIMULATED SMOKING DEVICES (inhaling appliances for medical purposes, shaped like cigars, cigarettes or pipes A61M15/06) - A24D: CIGARS; CIGARETTES; TOBACCO SMOKE FILTERS; MOUTHPIECES OF CIGARS OR CIGARETTES; MANUFACTURE OF TOBACCO SMOKE FILTERS OR MOUTHPIECES ## Abstract A cartridge for housing an aerosol-forming substrate includes a body comprising a side wall and a bottom wall; and a cavity inside the body. One or more of the walls include a heat-deformable portion constructed to form an aperture in response to exposure above a threshold temperature, wherein the cavity is in fluid communication with an outside of the cartridge body via the formed aperture. ## Claims ### Claim 1 A shisha cartridge for housing an aerosol-forming shisha substrate for use in a shisha device, the shisha cartridge comprising: a body comprising a side wall and a bottom wall; and a cavity inside the body; one or more of the walls comprising a heat-deformable portion configured to form an aperture in response to exposure above a threshold temperature, wherein the cavity is in fluid communication with an outside of the cartridge body via the formed aperture. ### Claim 2 (depends on 1) A shisha cartridge according to claim 1, wherein at least one of the walls comprises a second material not heat-deformable at or below the threshold temperature, the second material comprising an aperture, and wherein the heat-deformable material forms a closure to the aperture in the second material before exposure to the threshold temperature. ### Claim 3 (depends on 1) A shisha cartridge according to claim 1, wherein at least one of the walls comprises heat-deformable material having a first area with a first thickness and a second area with a second thickness, wherein the area of the second thickness forms the heat-deformable portion. ### Claim 4 (depends on 1) A shisha cartridge according to claim 1, wherein at least one of the walls comprises heat-deformable material comprising a gas pocket, wherein the gas pocket forms the heat-deformable portion. ### Claim 5 (depends on 1) A shisha cartridge according to claim 1, wherein at least one of the walls comprises heat-deformable material adjacent a slit or a cut, wherein the heat-deformable material adjacent the slit or cut forms the heat-deformable portion. ### Claim 6 (depends on 1) A shisha cartridge according to claim 1, wherein the heat-deformable portion comprises a region of shape-memory material. ### Claim 7 (depends on 6) A shisha cartridge according to claim 6, wherein the heat-deformable portion has a first state below the threshold temperature and a second state above the threshold temperature, wherein in the first state the body is closed and wherein in the second state the body is open, and wherein the heat-deformable portion is capable of transitioning from the first state to the second state and from the second state to the first state. ### Claim 8 (depends on 1) A shisha cartridge according to claim 1, wherein the heat-deformable portion comprises heat-deformable material comprising a polymer. ### Claim 9 (depends on 1) A shisha cartridge according to claim 1, wherein the threshold temperature is 250° C. or less. ### Claim 10 (depends on 1) A shisha cartridge according to claim 1, wherein the threshold temperature is at an operating temperature of a shisha device. ### Claim 11 (depends on 1) A shisha cartridge according to claim 1, wherein the heat-deformable portion is disposed at the bottom wall, at the side wall, at a top wall, or a combination thereof. ### Claim 12 (depends on 1) A shisha cartridge according to claim 1, wherein the walls comprise metal adjacent the heat-deformable portion. ### Claim 13 (depends on 1) A shisha cartridge according to claim 1 comprising an aerosol-forming shisha substrate disposed in the cavity. ### Claim 14 (depends on 1) A shisha system comprising: a shisha cartridge according to claim 1 with an aerosol-forming shisha substrate disposed in the cartridge; and a shisha device comprising: a receptacle for receiving the cartridge; a heating element for heating the aerosol-forming shisha substrate when the cartridge is received in the receptacle of the shisha device; a vessel having a liquid fill level and defining a head space above the liquid fill level; an aerosol conduit for conveying aerosol from the receptacle to the vessel; and an outlet in fluid communication with the head space. ### Claim 15 (depends on 14) A method of using the shisha system of claim 14, the method comprising: placing the shisha cartridge in the receptacle; and activating the heating element to heat the heat-deformable portion above the threshold temperature causing an aperture to form in the heat-deformable portion and the cavity to be in fluid communication with the aerosol conduit.