Patents Assigned to CO2 Pac Limited
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Patent number: 10611544Abstract: 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 or inverting the push-up portion from the first position to a second position under the vacuum pressure.Type: GrantFiled: August 29, 2019Date of Patent: April 7, 2020Assignee: CO2PAC LimitedInventors: David Melrose, John Denner, Paul Kelley, Gregory Trude
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Publication number: 20200031553Abstract: 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: October 7, 2019Publication date: January 30, 2020Applicant: CO2PAC LimitedInventors: David MELROSE, John DENNER, Paul KELLEY, Gregory TRUDE
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Publication number: 20190382180Abstract: 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 or inverting the push-up portion from the first position to a second position under the vacuum pressure.Type: ApplicationFiled: August 29, 2019Publication date: December 19, 2019Applicant: CO2PAC LimitedInventors: David MELROSE, John DENNER, Paul KELLEY, Gregory TRUDE
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Publication number: 20190382181Abstract: 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 30, 2019Publication date: December 19, 2019Applicant: CO2PAC LimitedInventors: David MELROSE, John DENNER, Paul KELLEY, Gregory TRUDE
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Publication number: 20190315545Abstract: 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: ApplicationFiled: April 27, 2019Publication date: October 17, 2019Applicant: CO2 PAC LIMITEDInventor: David Murray Melrose
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Patent number: 10435223Abstract: 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: March 18, 2016Date of Patent: October 8, 2019Assignee: CO2PAC LimitedInventors: David Melrose, John Denner, Paul Kelley, Gregory Trude
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Publication number: 20190291935Abstract: 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: September 26, 2019Applicant: CO2PAC LIMITEDInventors: David Murray Melrose, John Denner, Paul Kelley, Gregory Trude
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Patent number: 10351325Abstract: A hot-fill PET container or bottle filling with a liquid at an elevated temperature has a side wall extending to a lower portion including a pressure panel and a base in its unfolded or pre-fill position. The panel is transversely oriented and has a decoupling or hinge structure, an initiator portion and control portion of a steeply angled inverting conical section between 30 and 45 degrees. The control portion enables the inversion of the panel into the container to compensate for vacuum or reduced pressure induced within the container as the liquid cools down. The base can also have a plurality of reinforcing ribs.Type: GrantFiled: February 22, 2014Date of Patent: July 16, 2019Assignee: CO2 PAC LIMITEDInventor: David Murray Melrose
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Patent number: 10315796Abstract: A plastic container comprises an upper portion including a finish adapted to receive a closure, a lower portion including a base, and a sidewall extending between the upper portion and the lower portion. The upper portion, the lower portion, and the sidewall define an interior volume for storing liquid contents. The plastic container further comprises a pressure panel located on the container and moveable between an initial position and an activated position. The pressure panel is located in the initial position prior to filling the container, and is moved to the activated position after filling and sealing the container. Moving the pressure panel from the initial position to the activated position reduces the internal volume of the container and creates a positive pressure inside the container. The positive pressure reinforces the sidewall. A method of processing a container is also disclosed.Type: GrantFiled: September 26, 2014Date of Patent: June 11, 2019Assignee: CO2 PAC LIMITEDInventors: David Murray Melrose, Paul Kelley, John Denner
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Patent number: 10273072Abstract: 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: December 14, 2015Date of Patent: April 30, 2019Assignee: CO2 PAC LimitedInventor: David Murray Melrose
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Patent number: 10246238Abstract: 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: April 15, 2015Date of Patent: April 2, 2019Assignee: CO2PAC LIMITEDInventors: David Murray Melrose, John Denner, Paul Kelley, Gregory Trude
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Patent number: 9969517Abstract: 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: January 28, 2013Date of Patent: May 15, 2018Assignee: CO2PAC LIMITEDInventor: David Murray Melrose
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Publication number: 20180065791Abstract: 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 (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: ApplicationFiled: April 11, 2017Publication date: March 8, 2018Applicant: CO2 PAC LIMITEDInventor: David Murray Melrose
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Patent number: 9802730Abstract: A plastic container comprises an upper portion including a finish adapted to receive a closure, a lower portion including a base, and a sidewall extending between the upper portion and the lower portion. The upper portion, the lower portion, and the sidewall define an interior volume for storing liquid contents. The plastic container further comprises a pressure panel located on the container and moveable between an initial position and an activated position. The pressure panel is located in the initial position prior to filling the container, and is moved to the activated position after filling and sealing the container. Moving the pressure panel from the initial position to the activated position reduces the internal volume of the container and creates a positive pressure inside the container. The positive pressure reinforces the sidewall. A method of processing a container is also disclosed.Type: GrantFiled: February 25, 2013Date of Patent: October 31, 2017Assignee: CO2 PAC LIMITEDInventors: David Melrose, Paul Kelley, John Denner
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Patent number: 9731884Abstract: 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: March 8, 2012Date of Patent: August 15, 2017Assignee: CO2PAC LIMITEDInventor: David Melrose
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Publication number: 20170197773Abstract: 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: March 18, 2016Publication date: July 13, 2017Applicant: CO2PAC LimitedInventors: David Melrose, John Denner, Paul Kelley, Gregory Trude
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Patent number: 9688427Abstract: A semi-rigid collapsible container has a side-wall with an upper portion, a central portion, a lower portion and a base. The central portion includes a vacuum panel portion having a control portion and an initiator portion. The control portion is inclined more steeply in a vertical direction, i.e. has a more acute angle relative to the longitudinal axis of the container, than the initiator portion. On low vacuum force being present within the container panel following the cooling of a hot liquid in the container the initiator portion will flex inwardly to cause the control portion to invert and flex further inwardly into the container and the central portion to collapse. Raised ribs provide an additional support for the container in its collapsed state. In another embodiment the telescoping of the container back to its original position occurs when the vacuum force is released following removal of the container cap.Type: GrantFiled: October 6, 2014Date of Patent: June 27, 2017Assignee: CO2 PAC LIMITEDInventor: David Murray Melrose
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Patent number: 9624018Abstract: 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 (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: February 21, 2014Date of Patent: April 18, 2017Assignee: CO2 PAC LIMITEDInventor: David Murray Melrose
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Publication number: 20160332794Abstract: 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 (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: ApplicationFiled: December 14, 2015Publication date: November 17, 2016Applicant: CO2 PAC LIMITEDInventor: David Murray Melrose
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Publication number: 20160075496Abstract: 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: April 15, 2015Publication date: March 17, 2016Applicant: CO2PAC LIMITEDInventors: David Murray Melrose, John Denner, Paul Kelley, Gregory Trude