U.S. patents available from 1976 to present.
U.S. patent applications available from 2005 to present.

Icon_funbox Bizarre Patents

Patent No. 5035252

Nicotine Containing Dental Floss

Keep away cavities and cancer at the same time.

Newsletter  PatentStorm News

Make the Most of Our Site

See this month's Top Inventors and Most Cited Patents.

Stay on top of the latest innovations by subscribing to an RSS feed.

Registered users: Manage your profile.

 

Class 493/927 - Reclosable


Subclass of Class 493 - Manufacturing container or tube from paper; or other manufacturing from a sheet or web
Definition: Operation involving the construction of a receptacle having
No. of patents: 135
Last issue date: 10/28/2008


1        
NumberTitleIssue Date
7442156Method of forming a package having reclosable pour spout
A package having a reclosable 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 gussets. An upper edge portion of the package is removable, including one ...
10/28/2008
7430844Duplex 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; applying the sliders to the zipper profile; coupling the zipper profile t...
10/07/2008
7419301Tamper-evident easy-open slider package and related methods of manufacture
A reclosable packaging having a slider/zipper assembly and a sealed header. The header has a tear notch for initiating tearing of the header material and a line of weakness for continued tearing of the header material at an elevation which is lower than the top of t...
09/02/2008
7410453Method 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. This captures or positions the seal bridges of the zipper profiles resul...
08/12/2008
7406810Reclosable 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 comprising an array of loop-engageable fastener elements integrally mold...
08/05/2008
7404787Method and apparatus for feeding zipper with sliders to packaging machine
Methods and apparatus for feeding continuous zipper material with sliders to a thermoforming packaging machine that advances the packaging film N package lengths each advance, where N is a positive integer greater than unity. In the packaging machine, pockets are th...
07/29/2008
7399262Method 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 onto the scrolling film, and effecting at least one cut in the zippe...
07/15/2008
7351188Hooded 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 the hood to gain access to the zipper. One method of manufacture inv...
04/01/2008
7341085Station 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 device for punching predefined zones of film. The punching device and t...
03/11/2008
7340870Duplex 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 web, the second packaging web including another window patch that is ...
03/11/2008
7338424Packaging 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 material for packag...
03/04/2008
7329217Application of zippers to film material
The apparatus applies a transverse zipper strip to a film (10) moving continuously in a direction (12). A continuous belt (18) is driven by sprocket wheels (16a, 16b) and carries upper seal bars (22a,...
02/12/2008
7320662Method for manufacturing a flexible recloseable container
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 includes guiding a web of film which has interlocking fastener strips...
01/22/2008
7316641Reclosable 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 second tracks. The first track includes a first fin portion and a first r...
01/08/2008
7311649Sculpted perforated header for reclosable packages
A machine direction method of manufacture of reclosable packages is disclosed wherein a semi-circular or similarly shaped perforated pattern is punched in the web in registration with the package side seals. Continuous lines of perforation are punched in the web par...
12/25/2007
7311647Methods 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 fastener tape not advancing during a dwell time of the work cycle; (b...
12/25/2007
7303518Registration of intermittently moved fastener tape with continuously moving web
A method of manufacture comprising the following steps: (a) continuously advancing a web of bag making material at a first rate; (b) continuously joining portions of a downstream portion of a fastener tape to respective portions of the continuously advancing web of ...
12/04/2007
7297096Method and apparatus for manufacturing a resealable package
A method of making a resealable package is provided. The method comprises providing a closure mechanism, the closure mechanism comprising first and second closure profiles, the first and second closure profiles constructed and arranged to selectively engage, and whe...
11/20/2007
7266934Reclosable bag production
The bags are produced on a form-fill seal machine operating horizontally or vertically. Zipper strips (16) are initially attached to a continuous web (12) which is subsequently formed into a continuous run of bags having end seals (20) and a bac...
09/11/2007
7244222Apparatus for and method of positioning a slider on mating zipper elements
An apparatus used in the manufacture of a thermoplastic zipper having a slider mounted thereon includes a pair of clamp arms disposed on opposing sides of a path of the zipper. The clamp arms are movable in directions substantially perpendicular to the zipper path s...
07/17/2007
7228608Methods for applying sliders to reclosable plastic bags
Methods are provided for making slider-operated fasteners for use in reclosable plastic bags using at least a double index and dual unit operations. The methods involve forming two preseals, forming two notches within the preseals, applying two sliders into the prev...
06/12/2007
7223222Slider 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 shroud formed over the slider zipper, with a patch or cap for protec...
05/29/2007
7219481Method of applying sliders, duplex packaging machine and slider applicator therefor
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; applying the sliders to the zipper profile; coupling the zipper profile t...
05/22/2007
7211036Method and apparatus for making slider-operated string-zippered bag with transverse application of zipper
A method of making slider-actuated string-zippered packages. The method can be applied on a form-fill-seal machine or a machine that makes packages without filling, and involves transverse application of string zipper material on packaging film. One disclosed method...
05/01/2007
7185475Method of manufacturing reclosable packaging having tamper-evident feature
Methods of manufacturing reclosable packages having a slider-operated string zipper covered by a tamper-evident shroud that is provided with at least one opening that at least partially exposes the slider. In accordance with one method, openings are formed in a web ...
03/06/2007
7178309Machine 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 second edges and a zipper including first and second interlocking membe...
02/20/2007
7175582Method 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 stop structures), as it is fed to a sealing station, where it is join...
02/13/2007
7172545Registration of intermittently moved fastener tape with continuously moving web
A method of manufacture comprising the following steps: (a) continuously advancing a web of bag making material at a first rate; (b) continuously joining portions of a downstream portion of a fastener tape to respective portions of the continuously advancing web of ...
02/06/2007
7141013Method for making slider end stops on zippers for reclosable packaging
A method of manufacture comprising the steps of extruding a zipper part comprising a plastic closure member that has an interlockable profile and that has a side opposite to the profile; and joining a piece of plastic material to the side of the closure member. The ...
11/28/2006
7137942Apparatus and process for assembling a slider
The closure device (121) includes interlocking fastening strips (130, 131) and a slider (132) slidably disposed on the fastening strips for facilitating the occlusion and deocclusion of the fastening strips (130, 131) when moved towards f...
11/21/2006
7121063Method 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 sealing station, where it is joined to and later pulled by another co...
10/17/2006
7121064Method 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 machine direction; joining one zipper tape to the web along a first zon...
10/17/2006
7114310Process 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 second edges and a zipper including first and second interlocking membe...
10/03/2006
7107738Tamper-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 installed in the mouth; a slider mounted to the string zipper; and a...
09/19/2006
7096646Form, 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 filling station. At the filling station a product is fed onto the ba...
08/29/2006
6986729Zippered bag and a method for manufacturing same
A zippered bag comprises a main bag body having first and second opposing face members, a top, a bottom, and first and second opposing sides; and a zipper disposed on the main bag body. The zipper extends from the top to one of the first and second opposing sides so...
01/17/2006
6986237Methods 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 film (10) is folded as a tube (26
01/17/2006
6979289Insertion apparatus for attaching sliders onto zipper bags and film
A slider (10), a slider insertion apparatus (50) and a method for inserting the slider (10) on an interlocked fastener or zipper (25) of a reclosable bag (44). A loading rack (58, 72) feeds individual sliders (10) to ...
12/27/2005
6941726Method 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, the apparatus is a form-fill-seal machine having means for placing product on a web of packaging film; means for forming a receptacle having an interior vo...
09/13/2005
6942609Zipper applicator
An apparatus and method for engaging both profiles (18, 20) of an interlocked zipper (12) as the zipper or fastener strip is guided onto a supply of thermoplastic film (16) used to make a reclosable bag. A first interlocked profile (18) o...
09/13/2005
1        
 
Sign InRegister
Username  
Password   
forgot password?