Patents Assigned to Liqui-Box Corporation
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Patent number: 8561379Abstract: A sealant film for use in a film structure for the manufacture of pouches and bags for containing flowable materials, the sealant film comprising: (1) from about 2.0 to about 9.5 wt %, based on 100 wt % total composition, of an ethylene C4-C10-alpha-olefin interpolymer having a density of from 0.850 to 0.890 g/cc and a melt index of 0.3 to 5 g/10 min, the interpolymer being present in an amount that optimizes flex crack resistance as measured using a Gelbo Flex tester set up to test in accordance with ASTM F392, and minimizes reduction of thermal resistance, as measured using DSC (ASTM E794/E793) Differential Scanning Calorimetry (DSC) which determines temperature and heat flow associated with material transitions as a function of time and temperature, and stiffness of the sealant film layer as measured using Tensile Modulus of the polyethylene films measured in accordance with ASTM Method D882; (2) from about 70.5 wt % to about 98.Type: GrantFiled: July 26, 2012Date of Patent: October 22, 2013Assignee: Liqui-Box CorporationInventor: Alan Keith Breck
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Patent number: 8517061Abstract: A collar for a dispensing connector and a fitment assembly are disclosed. The connector collar engages a valved fitment for a container for holding and dispensing fluid. The fitment includes a spout connected to the container and a sliding internal valve body and an external valve body securely positioned within the spout. The connector collar has a fitment end mateable with the fitment so as to compress the top edge of the external valve body so as to form a seal between the external valve body and the dispensing connector.Type: GrantFiled: May 11, 2012Date of Patent: August 27, 2013Assignee: Liqui-Box CorporationInventor: James Johnson
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Patent number: 8511639Abstract: This invention relates to an adaptor used in a fitment valve assembly, said adaptor comprising an outer ring collar having a top and a bottom, and an outer and an inner surface; a flange molded to the bottom of said outer ring collar; an interior ring collar having a top and a bottom, and an outer and an inner surface molded in adjacent relationship to said outer ring collar near the top of said interior ring collar; an inverted dome structure molded toward the bottom of said inner surface of said interior ring collar defining at least one opening for the flow of fluid there-through; a groove for an O-ring molded in said inner surface of said interior ring collar above said dome structure; a lip molded onto said bottom of said interior ring collar for forming a seal with said fitment valve assembly; and a groove for an O-ring molded in said outer surface at the bottom of said interior ring collar.Type: GrantFiled: November 14, 2011Date of Patent: August 20, 2013Assignee: Liqui-Box CorporationInventor: James W. Johnson
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Patent number: 8479785Abstract: A collar for a dispensing connector and a fitment assembly are disclosed. The connector collar engages a valved fitment for a container for holding and dispensing fluid. The fitment includes a spout connected to the container and a sliding internal valve body and an external valve body securely positioned within the spout. The connector collar has a fitment end mateable with the fitment so as to compress the top edge of the external valve body so as to form a seal between the external valve body and the dispensing connector.Type: GrantFiled: May 11, 2012Date of Patent: July 9, 2013Assignee: Liqui-Box CorporationInventor: James Johnson
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Patent number: 8448820Abstract: Disclosed herein is a fitment for use with a collapsible bag for dispensing liquids or semi solids comprising a spout having a generally cylindrical body attached to a collapsible bag, a cap attached to the spout having positioned therein a flexible poppet that allows for the flow of fluid when engaged with a probe assembly.Type: GrantFiled: January 7, 2010Date of Patent: May 28, 2013Assignee: Liqui-Box CorporationInventor: James W. Johnson
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Patent number: 8444804Abstract: This invention relates to a method for sealing film layers to form a sealed portion and a notch within the sealed portion, comprising: providing film layers between sealing jaws comprising a heat sealing element, with a sealing face having a length and a protrusion extending partly along the length of its sealing face; inducing a temperature gradient along the of sealing face length, wherein the temperature proximate to the protrusion is higher than at a distance from the protrusion; closing the jaws and simultaneously clamping the film at a location adjacent to the sealing face; holding the jaws closed for a period of time; and opening the jaws to release the layers of film.Type: GrantFiled: February 14, 2012Date of Patent: May 21, 2013Assignee: Liqui-Box CorporationInventors: James William Sadler, Qin Lin, Gordon Charles Bird, Victor Wayne McCarron
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Patent number: 8413857Abstract: Disclosed herein is a fitment for use with a collapsible bag for dispensing liquids or semi-solids comprising a spout having a generally cylindrical body attached to a collapsible bag, a cap attached to the spout having positioned therein a flexible cap duckbill that allows for the flow of fluid when engaged with a probe assembly.Type: GrantFiled: January 7, 2010Date of Patent: April 9, 2013Assignee: Liqui-Box CorporationInventor: James W. Johnson
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Publication number: 20130061562Abstract: An apparatus for producing an oscillating force that actuates a mechanism comprising: a frame; channels attached to sides of frame; a servo motor positioned on top of frame; a shaft assembly having an off-set slider assembly where top end is attached to servo motor and bottom end is positioned adjacent to bottom of the frame; a pusher block having a rectangular shaped opening therein and horizontal rails each attached to opposite sides of block and slidably positioned in channels of frame and off-set slider assembly positioned in rectangular shaped opening of pusher block; an actuation means attached to pusher block that provides a forward and backward oscillating motion to pusher block; and a mechanism actuated by the actuation means. Apparatus used in conjunction with the heat sealing mechanism of a VFFS machine for forming and filling pouches.Type: ApplicationFiled: September 14, 2012Publication date: March 14, 2013Applicant: Liqui-Box CorporationInventor: Stephen Markey Kastens
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Publication number: 20130047557Abstract: Disclosed herein is a fitment for use with a collapsible bag for dispensing liquids or semi-solids comprising a spout having a generally cylindrical body attached to a collapsible bag, an aseptic flip-cap attached to the spout having positioned therein a flexible cap duckbill that allows for the flow of fluid when engaged with a probe assembly, wherein said duckbill flip-cap fitment forms an aseptic seal with the spout on the collapsible bag.Type: ApplicationFiled: August 29, 2012Publication date: February 28, 2013Applicant: Liqui-Box CorporationInventor: James Johnson
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Publication number: 20120247513Abstract: A flush adaptor for use with a valve fitment assembly for dispensing liquids from a container; wherein the flush adaptor comprises an outer ring-collar; a flange with an edge molded to the bottom of the outer ring-collar; an interior ring-collar adjacent to the outer ring-collar; a ridge molded in the interior ring-collar; a seat molded onto the interior ring-collar and a pin molded into the interior ring-collar which keeps the valve in an open position; and a hollow tube molded into the adaptor to allow the flow of liquid through the adaptor and into the fitment assembly; whereby the flush adaptor allows for cleaning of the assembly and any tubes connected thereto.Type: ApplicationFiled: March 29, 2012Publication date: October 4, 2012Applicant: Liqui-Box CorporationInventor: James Johnson
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Publication number: 20120216960Abstract: This invention relates to a heat sealing element for use in a heat sealing jaw in cooperation with an opposing backing jaw for sealing layers of film together to form a sealed portion and a notch within the sealed portion, the heat sealing element comprising: a sealing face for pressing the layers of film together against the opposing backing jaw and forming the sealed portion, the sealing face having a protrusion for forming the notch within the sealed portion; and a clamping portion adjacent to the sealing face, the clamping portion being disposed at an orientation diverging from a plane along which the layers of film are sealed together.Type: ApplicationFiled: February 14, 2012Publication date: August 30, 2012Applicant: Liqui-Box CorporationInventors: James William Sadler, Qin Lin, Gordon Charles Bird, Victor Wayne McCarron
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Publication number: 20120220439Abstract: This invention relates to a method for sealing film layers to form a sealed portion and a notch within the sealed portion, comprising: providing film layers between sealing jaws comprising a heat sealing element, with a sealing face having a length and a protrusion extending partly along the length of its sealing face; inducing a temperature gradient along the of sealing face length, wherein the temperature proximate to the protrusion is higher than at a distance from the protrusion; closing the jaws and simultaneously clamping the film at a location adjacent to the sealing face; holding the jaws closed for a period of time; and opening the jaws to release the layers of film.Type: ApplicationFiled: February 14, 2012Publication date: August 30, 2012Applicant: Liqui-Box CorporationInventors: James William Sadler, Qin Lin, Gordon Charles Bird, Victor Wayne McCarron
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Patent number: 8252397Abstract: This invention relates to film used to manufacture pouches and bags for containing flowable material. The film is made of low density polyethylene and can be formed into a monofilm or a multi-layer film that can be used to produce packages that exhibit improved flex crack resistance.Type: GrantFiled: April 26, 2007Date of Patent: August 28, 2012Assignee: Liqui-Box CorporationInventor: Alan Keith Breck
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Patent number: 8235259Abstract: The present invention provides a fitment, for use on a flexible container, comprising a spout member having a first end and a second end and defining a passageway between the two and a plug member which is sized to be received in the passageway. The plug member also has a leading end that lies in sealing engagement with the first end of the spout member when the plug member is received in the passageway.Type: GrantFiled: August 11, 2010Date of Patent: August 7, 2012Assignee: Liqui-Box CorporationInventors: James Johnson, Thomas Svensson, Stewart M. Graves
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Patent number: 8231025Abstract: A tamper evident fitment assembly for use with a container for flowable material, the closure comprising a cap and a spout secured to the container, the cap having a frangible tamper evident band, the cap having an annular recess for frictionally engaging a top portion of the spout, the cap and spout having cooperating detent and locking elements so that the assembly in a first position where the cap is removably sealed to the spout and the tamper evident band is not broken when the cap is removed for filling may move to a second position when the cap is removably sealed to the spout and the tamper evident band is broken upon removal of the cap. An important feature of the present invention is that the cap frictionally engages a top portion of the spout. No screw threads or similar securing means are required to retain the cap on the spout.Type: GrantFiled: December 30, 2010Date of Patent: July 31, 2012Assignee: Liqui-Box CorporationInventor: James W. Johnson
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Patent number: 8211533Abstract: This invention relates to blends of polyethylene and polypropylene useful to make films for packaging of flowable materials, in particular liquids. In addition to possessing good flex crack resistance, these films can withstand steam sterilization and/or aseptic packaging conditions as they have Hot Tack Initiation Temperatures in the range of from about 100° C. to about 140° C. and Hot Tack Strengths of not more than 5 N/inch in the temperature range from 100° C. to 150° C.Type: GrantFiled: September 5, 2007Date of Patent: July 3, 2012Assignee: Liqui-Box CorporationInventors: Alan Keith Breck, Nicholas Farkas, Yuqi Cai
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Patent number: 8196621Abstract: A collar for a dispensing connector and a fitment assembly are disclosed. The connector collar engages a valved fitment for a container for holding and dispensing fluid. The fitment includes a spout connected to the container and a sliding internal valve body and an external valve body securely positioned within the spout. The connector collar has a fitment end mateable with the fitment so as to compress the top edge of the external valve body so as to form a seal between the external valve body and the dispensing connector.Type: GrantFiled: August 28, 2007Date of Patent: June 12, 2012Assignee: Liqui-Box CorporationInventor: James Johnson
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Patent number: 8196373Abstract: This invention relates to blends of polyethylene and polypropylene useful to make films for packaging of flowable materials, in particular liquids. In addition to possessing good flex crack resistance, these films can withstand steam sterilization and/or aseptic packaging conditions as they have Hot Tack Initiation Temperatures in the range of from about 100° C. to about 140° C. and Hot Tack Strengths of not more than 5 N/inch in the temperature range from 100° C. to 150° C.Type: GrantFiled: August 17, 2010Date of Patent: June 12, 2012Assignee: Liqui-Box CorporationInventors: Alan Keith Breck, Nicholas Farkas, Yuqi Cai
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Patent number: D661785Type: GrantFiled: November 12, 2010Date of Patent: June 12, 2012Assignee: Liqui-Box CorporationInventor: James Johnson
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Patent number: D661786Type: GrantFiled: November 12, 2010Date of Patent: June 12, 2012Assignee: Liqui-Box CorporationInventor: James Johnson