Patents Assigned to CO2 Pac Limited
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Publication number: 20240109682Abstract: A plastic container comprises an upper portion including a finish defining an opening into the container, a lower portion including a base defining a standing surface, a sidewall extending between the upper portion and the lower portion, the sidewall defining a longitudinal axis, and at least one substantially transversely-oriented pressure panel located in the lower portion. The pressure panel is movable between an outwardly-inclined position and an inwardly-inclined position to compensate for a change of pressure inside the container. The standing surface defines a standing plane, and the entire pressure panel is located between the standing plane and the upper portion of the container when the pressure panel is in the outwardly-inclined position.Type: ApplicationFiled: December 12, 2023Publication date: April 4, 2024Applicant: CO2PAC LimitedInventors: David MELROSE, Paul KELLEY, John DENNER, Gregory TRUDE
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Patent number: 11912459Abstract: Base includes an outer support wall, a support surface extending inwardly from the outer support wall and defining a reference plane, an inner support wall extending upwardly from the support surface, a first radiused portion extending radially inward from the inner support wall and concave relative to the reference plane, a second radiused portion extending radially inward from the first radiused portion and convex relative to the reference plane, an intermediate surface extending radially inward from the second radiused portion, the intermediate surface including a linear portion and an intermediate radiused portion, a third radiused portion extending radially inward from the intermediate surface and convex relative to the reference plane, and a central portion disposed proximate the third radiused portion.Type: GrantFiled: July 22, 2019Date of Patent: February 27, 2024Assignee: CO2PAC LIMITEDInventors: Justin A. Howell, John E. Denner, Shannon K. Sprenkle, Robert Waltemyer
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Patent number: 11905095Abstract: Hot-fillable plastic bottle including a finished portion, a body portion with at least one circumferential rib configured to resist radial distortion, and a base portion. The base portion comprises a base sidewall, a bottom support surface extending radially inward from the base sidewall and defining a reference plane, an inner support wall extending upwardly from the bottom support surface, and a diaphragm extending radially inward from the inner support wall. The diaphragm comprises an inner wall having an arcuate shape with a radius r1 and a central conical structure, where the diaphragm is in an initial as-formed position with the conical structure above the reference place. The diaphragm is configured to move from an initial as-formed position toward a second position when an internal pressure relative an external pressure exceeds a threshold value.Type: GrantFiled: August 17, 2022Date of Patent: February 20, 2024Assignee: CO2PAC LIMITEDInventors: Raymond A. Pritchett, Jr., Willie F. Hatcher, Michael T. Kelly
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Patent number: 11897656Abstract: A plastic container comprises an upper portion including a finish defining an opening into the container, a lower portion including a base defining a standing surface, a sidewall extending between the upper portion and the lower portion, the sidewall defining a longitudinal axis, and at least one substantially transversely-oriented pressure panel located in the lower portion. The pressure panel is movable between an outwardly-inclined position and an inwardly-inclined position to compensate for a change of pressure inside the container. The standing surface defines a standing plane, and the entire pressure panel is located between the standing plane and the upper portion of the container when the pressure panel is in the outwardly-inclined position.Type: GrantFiled: June 15, 2020Date of Patent: February 13, 2024Assignee: CO2PAC LIMITEDInventors: David Melrose, Paul Kelley, John Denner, Gregory A. Trude
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Publication number: 20240010410Abstract: A container having an inverted active cage generally includes an enclosed base portion, a body portion extending upwardly from the base portion, and a top portion with a finish extending upwardly from the body portion. The body portion further includes a central longitudinal axis, a periphery, a plurality of rigidified and non-active surfaces, and a network of pillars or channels. Unlike the prior art, each of the plurality of non-active surfaces is outwardly displaced with respect to the longitudinal axis, while each of the network of pillars or channels is inwardly displaced with respect to the longitudinal axis. The plurality of rigidified or non-active surfaces, together with the network of rigidified channels or pillars, are spaced about the periphery of the container in order to accommodate vacuum-induced volumetric shrinkage of the container resulting from a hot-filling, capping and cooling thereof.Type: ApplicationFiled: July 5, 2023Publication date: January 11, 2024Applicant: CO2Pac LimitedInventors: David Murray MELROSE, Campbell John MELROSE-ALLEN
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Publication number: 20230391532Abstract: Method for processing hot-filled plastic containers are provided. In some embodiments, the method may include hot-filling a plastic container, sealing the container, and conveying the sealed container, each with an inner annular wall and a push-up portion in a first position. In some embodiments, the method may further include creating a vacuum pressure in the hot-filled and sealed container and repositioning the push-up portion from the first position to a second position under a mechanical force.Type: ApplicationFiled: August 21, 2023Publication date: December 7, 2023Applicant: CO2PAC LimitedInventors: David MELROSE, John DENNER, Paul KELLEY, Gregory TRUDE
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Patent number: 11731823Abstract: Method for processing hot-filled plastic containers are provided. In some embodiments, the method may include hot-filling a plastic container, sealing the container, and conveying the sealed container, each with an inner annular wall and a push-up portion in a first position. In some embodiments, the method may further include creating a vacuum pressure in the hot-filled and sealed container and repositioning the push-up portion from the first position to a second position under a mechanical force.Type: GrantFiled: June 29, 2022Date of Patent: August 22, 2023Assignee: CO2PAC LimitedInventors: David Melrose, John Denner, Paul Kelley, Gregory Trude
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Publication number: 20230166897Abstract: A plastic container comprises an upper portion including a finish defining an opening into the container, a lower portion including a base defining a standing surface, a sidewall extending between the upper portion and the lower portion, the sidewall defining a longitudinal axis, and at least one substantially transversely-oriented pressure panel located in the lower portion. The pressure panel is movable between an outwardly-inclined position and an inwardly-inclined position to compensate for a change of pressure inside the container. The standing surface defines a standing plane, and the entire pressure panel is located between the standing plane and the upper portion of the container when the pressure panel is in the outwardly-inclined position.Type: ApplicationFiled: January 25, 2023Publication date: June 1, 2023Applicant: CO2PAC LimitedInventors: David MELROSE, John DENNER, Paul KELLEY, Gregory TRUDE
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Publication number: 20230127553Abstract: In one embodiment, a method of processing a plastic container having a longitudinal axis is disclosed. The method includes: blow-molding a plastic container having an upper portion including a finish, a sidewall, a lower portion including a base defining a standing surface, and a substantially transversely-oriented pressure panel having an inner annular wall and a central push-up portion located in the base, wherein a base mold portion is displaced longitudinally with respect to first and second side mold portions to form the pressure panel set above the standing surface; introducing heated liquid contents into the plastic container with the pressure panel located in an outwardly-inclined position entirely between the standing surface and the upper portion; capping the plastic container; and, moving the pressure panel to an inwardly-inclined position entirely between the standing surface and the upper portion.Type: ApplicationFiled: December 22, 2022Publication date: April 27, 2023Applicant: CO2PAC LIMITEDInventors: David Murray Melrose, John Denner, Paul Kelley, Gregory Trude
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Publication number: 20220332558Abstract: In some embodiments, a sealing and pressure dosing apparatus may be provided. The sealing and pressure dosing apparatus may include a sealing machine having one or more of a driven turret, a sealing head, a pressure sealing member, and a pressure sealing chamber. The sealing and pressure dosing apparatus may also include a pressure dosing system which may be integrated with the sealing machine.Type: ApplicationFiled: June 30, 2022Publication date: October 20, 2022Applicant: CO2 PAC LIMITEDInventor: David MELROSE
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Publication number: 20220324630Abstract: Method for processing hot-filled plastic containers are provided. In some embodiments, the method may include hot-filling a plastic container, sealing the container, and conveying the sealed container, each with an inner annular wall and a push-up portion in a first position. In some embodiments, the method may further include creating a vacuum pressure in the hot-filled and sealed container and repositioning the push-up portion from the first position to a second position under a mechanical force.Type: ApplicationFiled: June 29, 2022Publication date: October 13, 2022Applicant: CO2PAC LimitedInventors: David MELROSE, John DENNER, Paul KELLEY, Gregory TRUDE
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Patent number: 11377287Abstract: Method for processing hot-filled plastic containers are provided. In some embodiments, the method may include hot-filling a plastic container, sealing the container, and conveying the sealed container, each with an inner annular wall and a push-up portion in a first position. In some embodiments, the method may further include creating a vacuum pressure in the hot-filled and sealed container and repositioning the push-up portion from the first position to a second position under a mechanical force.Type: GrantFiled: November 5, 2020Date of Patent: July 5, 2022Assignee: CO2PAC LimitedInventors: David Melrose, John Denner, Paul Kelley, Gregory Trude
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Patent number: 11377286Abstract: A hot-fill PET container or bottle (10) filling with a liquid at an elevated temperature has a side wall (9) extending to a lower portion including a pressure panel (11) and a base (21) in its unfolded or pre-fill position. The panel (11) is transversely oriented and has a decoupling or hinge structure or element (13), an initiator portion (1) and control portion (5) of a steeply angled inverting conical section between 30 and 45 degrees. The control portion enables the inversion of the panel (11) into the container (10) to compensate for vacuum or reduced pressure induced within the container as the liquid cools down. The base (2) can also have a plurality of reinforcing ribs (3).Type: GrantFiled: April 27, 2019Date of Patent: July 5, 2022Assignee: CO2 PAC LimitedInventor: David Murray Melrose
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Publication number: 20210053739Abstract: Method for processing hot-filled plastic containers are provided. In some embodiments, the method may include hot-filling a plastic container, sealing the container, and conveying the sealed container, each with an inner annular wall and a push-up portion in a first position. In some embodiments, the method may further include creating a vacuum pressure in the hot-filled and sealed container and repositioning the push-up portion from the first position to a second position under a mechanical force.Type: ApplicationFiled: November 5, 2020Publication date: February 25, 2021Applicant: CO2PAC LimitedInventors: David MELROSE, John Denner, Paul Kelley, Gregory Trude
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Patent number: 10836552Abstract: Method for processing hot-filled plastic containers are provided. In some embodiments, the method may include hot-filling a plastic container, sealing the container, and conveying the sealed container, each with an inner annular wall and a push-up portion in a first position. In some embodiments, the method may further include creating a vacuum pressure in the hot-filled and sealed container and repositioning the push-up portion from the first position to a second position under a mechanical force.Type: GrantFiled: August 30, 2019Date of Patent: November 17, 2020Assignee: CO2PAC LimitedInventors: David Melrose, John Denner, Paul Kelley, Gregory Trude
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Publication number: 20200331740Abstract: In some embodiments, a sealing and pressure dosing apparatus may be provided. The sealing and pressure dosing apparatus may include a sealing machine having one or more of a driven turret, a sealing head, a pressure sealing member, and a pressure sealing chamber. The sealing and pressure dosing apparatus may also include a pressure dosing system which may be integrated with the sealing machine.Type: ApplicationFiled: July 6, 2020Publication date: October 22, 2020Applicant: CO2 PAC LimitedInventor: David Melrose
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Publication number: 20200307850Abstract: A plastic container comprises an upper portion including a finish defining an opening into the container, a lower portion including a base defining a standing surface, a sidewall extending between the upper portion and the lower portion, the sidewall defining a longitudinal axis, and at least one substantially transversely-oriented pressure panel located in the lower portion. The pressure panel is movable between an outwardly-inclined position and an inwardly-inclined position to compensate for a change of pressure inside the container. The standing surface defines a standing plane, and the entire pressure panel is located between the standing plane and the upper portion of the container when the pressure panel is in the outwardly-inclined position.Type: ApplicationFiled: June 15, 2020Publication date: October 1, 2020Applicant: CO2PAC LimitedInventors: David MELROSE, Paul Kelley, John Denner, Gregory A. Trude
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Publication number: 20200247601Abstract: In one embodiment, a method of processing a plastic container having a longitudinal axis is disclosed. The method includes: blow-molding a plastic container having an upper portion including a finish, a sidewall, a lower portion including a base defining a standing surface, and a substantially transversely oriented pressure panel having an inner annular wall and a central push-up portion located in the base, wherein a base mold portion is displaced longitudinally with respect to first and second side mold portions to form the pressure panel set above the standing surface; introducing heated liquid contents into the plastic container with the pressure panel located in an outwardly-inclined position entirely between the standing surface and the upper portion; capping the plastic container; and, moving the pressure panel to an inwardly-inclined position entirely between the standing surface and the upper portion.Type: ApplicationFiled: April 1, 2019Publication date: August 6, 2020Applicant: CO2PAC LimitedInventors: David Murray MELROSE, John DENNER, Paul KELLEY, Gregory TRUDE
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Patent number: 10683127Abstract: A plastic container comprises an upper portion including a finish defining an opening into the container, a lower portion including a base defining a standing surface, a sidewall extending between the upper portion and the lower portion, the sidewall defining a longitudinal axis, and at least one substantially transversely-oriented pressure panel located in the lower portion. The pressure panel is movable between an outwardly-inclined position and an inwardly-inclined position to compensate for a change of pressure inside the container. The standing surface defines a standing plane, and the entire pressure panel is located between the standing plane and the upper portion of the container when the pressure panel is in the outwardly-inclined position.Type: GrantFiled: October 6, 2016Date of Patent: June 16, 2020Assignee: CO2PAC LimitedInventors: David Melrose, Paul Kelley, John Denner, Gregory A. Trude
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Patent number: 10661939Abstract: Exemplary hot-fillable plastic containers are disclosed. In some embodiments, the containers may include a threaded neck portion, a body portion, and a base portion including a standing surface and a movable element. In some embodiments, the moveable element may be arranged to be recessed either substantially above, or substantially below, the standing surface in an initial pre-filling position.Type: GrantFiled: June 10, 2019Date of Patent: May 26, 2020Assignee: CO2PAC LimitedInventors: David Murray Melrose, Paul Kelley, John Denner