Liqui-Box Corporation Patent applications |
Patent application number | Title | Published |
20140339270 | Flexibly-Mounted Evacuation Channels in Collapsible Bags - The present invention relates to a mounting for connecting at least one peripherally-connected evacuation channel to the spout of a flexible bag and more particularly to a flexible mounting for connecting such at least one evacuation channel. | 11-20-2014 |
20130285364 | Tube Fitment for Use with a Valve Fitment for Dispensing Fluids - This invention relates to a tube fitment that is used with a valve fitment assembly used to dispense fluids or flowable materials from a container. The tube fitment is utilized in conjunction with the valve fitment assembly to allow the fitment assembly to be used with a spout and valve assembly attached to a container holding fluid. This invention also relates to a process for dispensing fluid using the adapter described herein. | 10-31-2013 |
20130277966 | ADAPTOR FOR USE WITH A VALVE FITMENT FOR DISPENSING FLUIDS - This invention relates to an adaptor that is used with a valve fitment assembly used to dispense fluids or flowable materials from a container. The adaptor is utilized in conjunction with the valve fitment assembly to allow the fitment assembly to be used with a spout and valve assembly attached to a container holding fluid. This invention also relates to a process for dispensing fluid using the adapter described herein. | 10-24-2013 |
20130061562 | OSCILLATING PRESSURE SYSTEM FOR VERTICAL FORM FILL SEAL MACHINE - 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. | 03-14-2013 |
20130047557 | ASEPTIC DUCKBILL FLIP-CAP FITMENT FOR A COLLAPSIBLE CONTAINER - 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. | 02-28-2013 |
20120305590 | PROCESS FOR DISPENSING FLUID WITH A SLIDER VALVE FITMENT & COLLAR - 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. | 12-06-2012 |
20120247513 | FLUSH ADAPTOR FOR USE WITH A VALVE FITMENT ASSEMBLY FOR CLEANING OF THE ASSEMBLY - 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. | 10-04-2012 |
20120220439 | Heat Sealing Jaw, Apparatus and Method - 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. | 08-30-2012 |
20120216960 | Heat Sealing Jaw, Apparatus and Method - 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. | 08-30-2012 |
20120118416 | ADAPTOR FOR USE WITH A VALVE FITMENT - 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 moulded 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 moulded in adjacent relationship to said outer ring collar near the top of said interior ring collar; an inverted dome structure moulded 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 moulded in said inner surface of said interior ring collar above said dome structure; a lip moulded onto said bottom of said interior ring collar for forming a seal with said fitment valve assembly; and a groove for an O-ring moulded in said outer surface at the bottom of said interior ring collar. | 05-17-2012 |
20110258969 | Multi-Layer, Ethylene Polymer-Based Films with Polypropylene-Based Stiffening Layer - This invention discloses a multi-layer film for making pouches for containing flowable materials, said multi-layer film comprising generally five layers in order: inner sealant-layer, first interposed layer, the core layer, second interposed layer, and the outer sealant layer. The sealant and core layers are ethylene-based, whereas the interposed layers are polypropylene-based. The multi-layer film thickness is in the range of from about 35 microns to about 66 microns. The combined thickness of the first and the second interposed layers is in the range of from about 10% to about 27% of the total thickness of said multi-layer film. Similarly, a combined thickness of the inner and the outer sealant-layers is in the range of from about 10% to about 27% of the total thickness of the multi-layer film. The interposed layers comprise polypropylene that has a melt-index of less than 0.75 dg/min. | 10-27-2011 |
20110252746 | Multi-Layer, Ethylene Polymer-Based Films with Novel Polypropylene Blend-Based Stiffening Layer - This invention discloses a multi-layer film for making pouches for containing flowable materials, said multi-layer film comprising generally five layers in order: inner sealant-layer, first interposed layer, the core layer, second interposed layer, and the outer sealant layer. The sealant and core layers are ethylene-based, and the interposed layers are polypropylene-based. The multi-layer film thickness is in the range of from about 35 microns to about 66 microns. The interposed layers comprise a novel polypropylene blend with a major component polypropylene and a minor component polypropylene, wherein the minor component polypropylene is a heterogeneous polypropylene interpolymer with a density in the range of from about 0.875 to about 0.91 g/cm | 10-20-2011 |
20110252745 | Multi-Layer, Ethylene Polymer-Based Films with High-Density Polyethylene Based Stiffening Layer - This invention discloses a multi-layer film for making pouches for containing flowable materials, said multi-layer film comprising generally five layers in order: inner sealant-layer, first interposed layer, the core layer, second interposed layer, and the outer sealant layer. All layers are ethylene-based. The combined thickness of the first and the second interposed layers is in the range of from about 10% to about 27% of the total thickness of said multi-layer film. Similarly, a combined thickness of the inner and the outer sealant-layers is in the range of from about 10% to about 27% of the total thickness of the multi-layer film. The interposed layers comprise high-density polyethylene that has a density of at least 0.950 g/cm | 10-20-2011 |
20110155758 | Fitment Assembly for a Container Having a Tamper Indication Band Attached Thereto - 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. | 06-30-2011 |
20110036865 | Integrated Fitment for Aseptic Packaging - 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. | 02-17-2011 |
20110033644 | Polyethylene And Polypropylene Blends For Liquid Packaging Films - There is disclosed a flowable material packaging film comprising at least a resin blend of (a) from about 33 wt % to about 80 wt % of at least one ethylene-C | 02-10-2011 |
20110033135 | Polyethylene And Polypropylene Blends For Liquid Packaging Films - There is disclosed a flowable material packaging film comprising at least a resin blend of (a) from about 33 wt % to about 80 wt % of at least one ethylene-C | 02-10-2011 |
20100276450 | Process And Apparatus For Forming A Minimal Headspace Pouch - A process for forming a pouch having an evacuated headspace containing a flowable material is disclosed. The process includes the steps of: providing a continuous tube of flexible and sealable film; supplying the continuous tube with a predetermined amount of flowable material; pinching the continuous tube above a sealing region so as to form a pinched portion of the continuous tube; evacuating the headspace between the pinched portion and the predetermined amount of flowable material; and sealing the continuous tube at the sealing region to form a top seal of a previously formed pouch containing flowable material and a bottom seal of a next-to-be filled pouch. Also disclosed is a vertical form-fill-seal apparatus for forming a pouch containing a flowable material and having an evacuated headspace. | 11-04-2010 |
20100275555 | Fill-Accuracy During Pouch Formation - In one of its aspects, the present invention relates to a process for forming a flexible liquid-packaging pouch. This process improves fill-accuracy of the flowable material contained in the pouch. Specifically, the invention relates to a process for improving the fill-accuracy of a pouch by incorporating at least one stand-pipe in a balance tank that feeds the pouch with flowable material to be packaged. This invention also relates to such apparatus for improving the fill-accuracy of the flexible liquid-packaging pouch. | 11-04-2010 |
20100215813 | PROCESS AND APPARATUS FOR POUCH-FORMING WITH OPTIMIZED FILL-ACCURACY AND HEADSPACE - This invention discloses a process for forming a pouch having an evacuated headspace containing a flowable material. The process relates to optimizing both, the evacuation of the headspace in the pouch and the accuracy of the flowable material filled in the pouch. Specifically, the present invention employs a process that includes a multiple-step or a continuous compression of the pouch headspace to accomplish the goals. Also disclosed is a vertical form-fill-seal apparatus for forming a pouch containing a flowable material and having an evacuated headspace. | 08-26-2010 |
20100205812 | Dual-Blade Film-Cutting Device - This invention relates to a dual-blade cutting device used for cutting strips from films and sheets. Particularly, in the cutting device of the invention, the blades are not exposed to the outside during the non-use position. Also, in the use position, the exposure is minimal to the operator. Therefore, using the cutting device of the invention renders the operation safe for the cutting operator. | 08-19-2010 |