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7621105 |
Method of producing high burst zipper assemblies for large reclosable packages
The present disclosure relates to a method for producing a high burst slider zipper which allows for bottom filling of reclosable packages, such as large bags, and further provides increased...
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7614203 |
User installable vacuum seal apparatus for storage bags
A valve assembly for use with a self-sealing collapsible storage bag, the valve assembly having a first portion comprising a housing that has a sealing surface and contains a valve mechanism. A...
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7597657 |
Package having reclosable pour spout and method of forming same
A package having a recloseable pour spout is disclosed, with the package including front and rear package panels which may be joined at respective side edges thereof by inwardly extending side...
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7563219 |
Dual drum configuration for transverse direction application of zippers
A drum configuration uses first and second rotary drums to apply alternate zipper segments in a transverse direction to a sheet of moving web or film. This allows the web to maintain a constant...
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7552573 |
Method for placing a product in a flexible recloseable container
An invention for forming, filling, and sealing a flexible recloseable container. Both vertical and horizontal methods for placing product within the container are disclosed. The invention includes...
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7552572 |
Advanced packaging method and device, bags obtained and use thereof
A packaging method includes the providing of a bag. A mouth of the bag may include an opening/closing for multiple successive openings and closings and a cleavable linking veil, located at a...
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7549269 |
Method of forming a bag having a reclosable seal
A bag having a reclosable sealer and methods of forming and using the same are provided. The bag, for example, can include a tube body having a plurality of laminated layers. A reclosable sealer...
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7540662 |
Flexible package including a docking station formed from a plurality of closely spaced slits
Apparatus and methods for forming, filling, and sealing a flexible recloseable container. Both vertical and horizontal methods for placing product within the container are disclosed. The invention...
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7506487 |
Method for applying a reclosable seal to a container
A bag is has an opening defined by a pair of walls and a pair of gussets. The walls are joined by the gussets. The bag has two slits. Each of the two slits is formed adjacent a wall and a gusset....
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7490451 |
Method and apparatus for making block bottom pillow top bags
Methods and apparatus for automated manufacture of block bottom pillow top bags. One method includes the following steps: (a) forming a web of bag making material into a tube; (b) joining...
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7458925 |
Method of and apparatus for producing plastic bags
A method of and apparatus for producing plastic bags are disclosed. A web of plastic is folded to form an elongate folded web having free ends and closer tape is secured to the free ends of the...
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7455636 |
Application of zippers to film material
An apparatus for application of zippers to film material 10 comprises an applicator bar 22 for presenting pre-cut lengths of zipper 26 to the film and a heated sealing bar 34 for sealing...
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7430844 |
Duplex packaging machine
A method of making and filling reclosable packages using a duplex machine includes the steps of providing a zipper profile, package film and a plurality of sliders; feeding the zipper profile;...
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7415810 |
Methods of manufacturing hooded slider-operated zippered bags
A method of manufacturing a reclosable package having a hooded slider-operated zipper, comprising the following steps: (a) interlocking profiled closure members of first and second flanged zipper...
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7410453 |
Method of sealing a zipper with concave bridges or bases using convex sealing bars
The present invention includes a method and apparatus wherein webless zipper is provided with concave seal bridges. These concave seal bridges are complementary in shape to convex sealing bars....
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7409810 |
Vertical pouch making machine and method of making pouches
A vertical form fill and seal continuous pouch machine includes a forming tube having a cross section area of CA is disclosed. A film tube is continuously formed about the forming tube and fed...
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7406810 |
Reclosable packaging
A method of fabricating reclosable bags comprising: disposing a releasably engaged closure between a first and a second bag film portions, the closure including a loop-engageable fastener strip...
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7399262 |
Method for the manufacture of bags, that includes cuts, and the corresponding bag
A method for the manufacture of packaging bags, which includes a step of forming at least one bag in a scrolling film, welding opening and closing zippers that include a series of operating sliders...
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RE40284 |
Methods of making and filling a fill-through-the-top package
A fill-through-the-top reclosable package includes first and second opposing body panels joined to each other along a pair of sides and a bottom bridging the pair of sides. The package is provided...
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7351188 |
Hooded reclosable packages and related methods of manufacture
A reclosable package comprising a hooded zipper with a pair of off-center lines of perforations that are hermetically sealed by a layer of material. The lines of perforations facilitate tearing off...
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7341085 |
Station for applying segments of openable/reclosable strip on a plastic film web destined to form bags
A station for the application of segments of openable/reclosable strip on a plastic film web destined to form bags, includes a device for sealing segments of strip at intervals on the film and a...
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7340870 |
Duplex bag
A method for manufacturing double ply packaging bags includes feeding a first packaging web, the first packaging web including a window patch that is cut out or pre-cut, feeding a second packaging...
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7338424 |
Packaging machine
A horizontal packaging machine ( 10 ) for making fluid-tight packages ( 11 ) equipped with zip closure ( 15 ) comprises:
at least one unit ( 12 ) for unwinding a film ( 13 ) of synthetic...
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7331160 |
Top filled reclosable package with separate membrane and method for forming and filling the same
A method of forming and sealing a flexible, reclosable package having a zipper closure and a slider mounted thereon. The reclosable package is initially formed having a pair of opposing side panels...
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7325378 |
Vertical form fill and seal method for producing reclosable packages from two sheets of web
Various embodiments and alternatives for vertical form fill and seal methods and apparatus are disclosed. In particular, two sheets of web are fed by forming collars to a fill tube (or in some...
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7316641 |
Reclosable bags with tamper evident features and methods of making the same
A reclosable package comprises first and second opposing body panels, a reclosable seal and a one-time breakable element. The reclosable seal extends along one end and includes first track and...
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7311647 |
Methods for sensing features on moving fastener tape during automated production
A method of manufacture comprises the following steps: (a) advancing a fastener tape made of flexible thermoplastic material along a process pathway during an indexing portion of a work cycle, the...
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7275354 |
Vertical form, fill and seal packaging system
A method and apparatus for continuously or intermittently and vertically forming, filling and sealing packaging includes an infeed section, a pleating assembly, a forming tube and a sealing...
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7223222 |
Slider zipper assembly and shroud with high pressure pasteurization protection system
The present disclosure relates to methods for forming reclosable bags with slider zippers which can be used in high pressure pasteurization. In particular, these methods form reclosable bags with a...
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7211035 |
Method for manufacturing reclosable packaging bag
A reclosable packaging bag comprises a main bag body having an opening portion and at least one heat-sealed portion; and a linear fastener provided on the opening portion of the main bag body. The...
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RE39505 |
Fill-through-the-top package and method and apparatus for making the same
A fill-through-the-top reclosable package includes first and second opposing body panels joined to each other along a pair of sides and a bottom bridging the pair of sides. The package is provided...
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7178309 |
Machine for processing web of material
The present invention relates to a process used for packaging a product in a web of material that has a zipper attached thereto. The process includes providing a web of material having first and...
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7175582 |
Method and apparatus for registering fastener tape in packaging machine
Methods and apparatus for controlling the registration of a first elongated continuous structure (e.g., plastic fastener tape) with attachments (e.g., sliders) or formed features (e.g., slider end...
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7143565 |
Method and apparatus for controlling zipper registration in packaging equipment
Methods and apparatus for controlling the registration of one elongated continuous structure (e.g., plastic zipper) with attachments or formed features (e.g., sliders or pre-seals) as it is fed to...
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7121063 |
Method for controlling zipper tension in packaging equipment
Methods and apparatus for controlling the tension of one continuous material (e.g., plastic zipper) with attachments or formed features (e.g., sliders or formed slider end stops) as it is fed to a...
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7121064 |
Method for dual manufacture of reclosable bags of HFVF machine
A method for dual manufacture of reclosable packages on a horizontal-form, vertical fill machine. The method comprising the following steps: extending a web of bag making film under tension in a...
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7114309 |
Method and apparatus for making reclosable packages having slider-actuated string zippers
Methods and apparatus for making reclosable packages having slider-actuated string zippers. More specifically, one method comprises the following steps: (a) providing an elongated web of packaging...
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7107738 |
Tamper-evident reclosable bag having slider-actuated string zipper
Reclosable bags having a slider-actuated string zipper and a tamper-evident feature. In one aspect, the reclosable bag comprises: a receptacle having a mouth and an interior volume; a string zipper...
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7096646 |
Form, fill and seal packaging method utilizing zipper with slider
A method of forming, filling and sealing a reclosable package with a slider activated zipper wherein a base film moves longitudinally to a filling station and, in a moving direction, away from said...
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7082737 |
Form-fill-seal machine
Form-fill-seal machine includes parts for moving a web of packaging material through the machine according to a process path and parts for transforming the web into filled bags, as well as a zipper...
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7059099 |
Process and apparatus for forming packaging bags with a fastener
A process for manufacturing reclosable bags ( 30 ) by forming a film ( 50 ) includes moving the film ( 50 ) and attaching to the film ( 50 ) sequentially and crosswise with reference to the...
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6986237 |
Methods of making a gusset style pouch in a reclosable bag
A method for making a reclosable bag ( 56 ) with gussets ( 36, 38 ) in which a zipper profile ( 16 ) is attached to bag-making film ( 10 ), while leaving side margins ( 20, 22 ) of the film. The...
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6962034 |
Apparatus for flexible recloseable containers
Apparatus and methods for forming, filling, and sealing a flexible recloseable container. Both vertical and horizontal methods for placing product within the container are disclosed. The invention...
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6959523 |
Process for automating the attachment of a clip to a product
The invention relates to a process for automating the positioning and fastening of a clip to a pouch. The system describes automated assembly of first and second clip members having ends, clamping...
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6922972 |
Form-fill-seal machine
Form-fill-seal machine includes parts for moving a web of packaging material through the machine according to a process path and parts for transforming the web into filled bags, as well as a zipper...
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6918234 |
Process for attaching slider-operated closure on form-fill-seal packaging machinery
The present invention relates to a process used for packaging a product in a web of material that has a zipper attached thereto. The process includes providing a web of material having first and...
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6908422 |
Reclosable packaging bag and method for manufacturing same
A reclosable packaging bag comprises a main bag body having an opening portion and at least one heat-sealed portion; and a linear fastener provided on the opening portion of the main bag body. The...
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6895725 |
Method and apparatus for sealing zippers to bag making film
An automated reclosable packaging manufacturing equipment for applying zipper tape to bag making film, especially as part of a form-fill-seal process, and a method of joining a zipper flange of a...
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6868649 |
Zipper applicator for packaging machine
A zipper applicator operatively attachable to and usable with a horizontal form, fill, seal and separate packaging machine of the type used to make reclosable containers from a folded web of...
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6860952 |
Method for laminating closure member to film web
Methods for forming a thermoplastic film with an attached closure strip are disclosed. The film can be used to produce zippered reclosable plastic bags. The methods include providing a...
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