Famous Patents
3M employee and church chorister Art Fry needed something to temporarily mark pages in his hymnal. He was in luck because his colleague, Spencer Silver, accidentally developed a glue that was too weak for other purposes. After initially discouraging consumer response, Post-it Notes became a hit in 1979.
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| Number | Title | Issue Date |
| 8127517 | Method and apparatus for placing a product in 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... | 03/06/2012 |
| 7779605 | Unit operations on a web with attached zipper and method of performing the same A unit operation station for use in a web processing machine comprising: a shuttle system including an input roller for receiving a web and an attached zipper, an output roller and a the connecting element for maintaining the input roller and the output roller in a ... | 08/24/2010 |
| 7442156 | Method 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 |
| 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; applying the sliders to the zipper profile; coupling the zipper profile t... | 10/07/2008 |
| 7424796 | Filling and using reclosable bags A method of filling a bag that includes inserting an insulator between first and second side walls of a closure strip and joining an outer surface of the second side wall of the closure strip to an inner surface of a bag wall in a region of the wall behind which the... | 09/16/2008 |
| 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 strips; (b) inserting a slider on the zipper strips; (c) folding zippe... | 08/26/2008 |
| 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 downward. A horizontal sealing assembly includes at least one pair of opp... | 08/12/2008 |
| 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. This captures or positions the seal bridges of the zipper profiles resul... | 08/12/2008 |
| 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 comprising an array of loop-engageable fastener elements integrally mold... | 08/05/2008 |
| 7404787 | Method 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 |
| 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 onto the scrolling film, and effecting at least one cut in the zippe... | 07/15/2008 |
| 7383675 | Method and apparatus for placing a product in 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... | 06/10/2008 |
| 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 with a reclosable fastener extending along a package top disposed opp... | 05/06/2008 |
| 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 the hood to gain access to the zipper. One method of manufacture inv... | 04/01/2008 |
| 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 web, the second packaging web including another window patch that is ... | 03/11/2008 |
| 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 material for packag... | 03/04/2008 |
| 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 and a zipper closure extending between the pair of side panels. The ... | 02/19/2008 |
| 7328545 | Packaging line and method for continuously packaging discrete products A packaging line and method for continuously packaging discrete products such as, for instance, magazines, CDs, DVDs and combinations thereof in a continuous manner, comprising: a product assembling path which is provided with a co... | 02/12/2008 |
| 7329217 | Application 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 |
| 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 embodiments, side by side fill tubes) wherein the sheets of web are wrapp... | 02/05/2008 |
| 7322169 | 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 assembly. The pleating assembly imparts at least one pleat to the film. The ... | 01/29/2008 |
| 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 second tracks. The first track includes a first fin portion and a first r... | 01/08/2008 |
| 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 fastener tape not advancing during a dwell time of the work cycle; (b... | 12/25/2007 |
| 7308783 | Filling and using reclosable bags A method of filling a bag includes holding the bag open to define a fill path extending past an obverse side of a closure strip, between the closure strip and an opposed wall of the bag, and pouring contents into the open bag through the fill path. ... | 12/18/2007 |
| 7305805 | Method for making a flexible reclosable package A flexible package having an integrated reclose strip, and method for manufacturing same, constructed by modification to existing vertical form and fill packaging machines. The reclose strip comprises a length of tacky two-sided adhesive tape. The apparatus for appl... | 12/11/2007 |
| 7302782 | 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, 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... | 12/04/2007 |
| 7290660 | Storage system having a disposable vacuum bag The present invention provides a storage system having a storage device having at least one polymeric sheet sealed along a portion of its' periphery to provide an opening to a storage space; a resealable closure structure adapted to seal the opening to the storage s... | 11/06/2007 |
| 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 assembly. The pleating assembly imparts at least one pleat to the film. The ... | 10/02/2007 |
| 7266934 | Reclosable 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 |
| 7263813 | Reclosable package methods for block cheese and other products that do not slide well A method of making a reclosable product package (64, 100, 142), a package-making apparatus (10) for the method and the reclosable product package (64, 100, 142) in which block cheese or another product (45) which does not slide well durin... | 09/04/2007 |
| 7244222 | Apparatus 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 |
| 7234285 | Apparatus for manufacturing flexible packages having slide closures Vertical form fill seal apparatus for making flexible packages with slider fastener closures is provided. A fastener track is applied in-line with a plastic web and is bonded thereto at the same time that a peel seal is formed. All package components are brought tog... | 06/26/2007 |
| 7228608 | Methods 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 |
| 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 shroud formed over the slider zipper, with a patch or cap for protec... | 05/29/2007 |
| 7219481 | Method 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 |
| 7213385 | Vertical stand-up pouch with zipper seal quick change module A vertical stand-up pouch, or flexible package having a zipper seal mechanism incorporated therein, and method for manufacturing same, constructed with a quick change module modification to existing vertical form and fill packaging machines. The invention involves p... | 05/08/2007 |
| 7204006 | End-stop for zippered resealable closure A method for providing an end-stop for a slider on a resealable thermoplastic bag is provided. The resealable thermoplastic bag includes a profile track having a first side panel and a second side panel. A clip having first and second legs is made to straddle the pr... | 04/17/2007 |
| 7197859 | Vertical stand-up pouch with zipper seal quick change module A vertical stand-up pouch, or flexible package having a zipper seal mechanism incorporated therein, and method for manufacturing same, constructed with a quick change module modification to existing vertical form and fill packaging machines. The invention involves p... | 04/03/2007 |
| 7191575 | Vertical pouch machine 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 downward. A horizontal sealing assembly includes at least one pair of opp... | 03/20/2007 |
| 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 with a reclosable fastener extending alone a package top disposed opp... | 03/13/2007 |
