Did You Know...
...that in the early 1940s GE engineer James Wright was charged with a task of utmost importance to the war effort: develop a cheap substitute for rubber that could be used to produce tires, gas masks and a whole host of military gear. Wright tackled the task diligently -- and wound up inventing Silly Putty.
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| Number | Title | Issue Date |
| 7922640 | Machine for making bags A machine for making bags from sheet material of indeterminate length, especially thermoplastic material, has a pair of spaced folders of special construction for folding the material lengthwise. The entry end of the machine can be adjusted as to height. An applicat... | 04/12/2011 |
| 7896794 | Hanging manufacturing apparatus for manufacturing air enclosure A first hanger and a second hanger are disposed on a working platform according to a hanging manufacturing apparatus for manufacturing an air enclosure, in which the first hanger is constituted by a first hanging frame and a plurality of first supporting arms and us... | 03/01/2011 |
| 7367931 | Laser cutoff stacker assembly The present invention contemplates a machine and method for performing the laser sealing and laser cutting of flexible material into segments, such as a polymeric web in which the segments will ultimately be individual bags. The machine includes a generally cylindri... | 05/06/2008 |
| 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 |
| 7214173 | Laser for forming bags from a web of material A fastener includes first and second tracks. The first track includes a first profile, and the second track includes a second profile for interlocking with the first profile. The fastener extends between opposing ends. The first and second profiles at each of the op... | 05/08/2007 |
| 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 second edges and a zipper including first and second interlocking membe... | 02/20/2007 |
| 7163133 | Apparatus for and method of moving a slider along mating zipper elements A manufacturing apparatus, for moving sliders for opening and closing mating zipper elements along the mating zipper elements, includes a roller and a projection. The roller rotates about an axis substantially perpendicular with a path of a film including the mating... | 01/16/2007 |
| 7141013 | Method 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 |
| 7114310 | 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 second edges and a zipper including first and second interlocking membe... | 10/03/2006 |
| 7100487 | Punch device for creating a guide notch in a polymeric fastener attached to a plastic package A method and apparatus for punching a guide notch in a polymeric zipper having a male and female track with respective fins. The method includes sliding the zipper into position in a punch housing and punching a guide notch into the zipper. The guide notch is define... | 09/05/2006 |
| 7056417 | Method and apparatus for sealing flanges and deforming profiles of plastic zipper A method of manufacture involves the following steps: extruding a first zipper strip comprising a first zipper flange and a first closure profile; extruding a second zipper strip comprising a second zipper flange and a second closure profile that is interlockable wi... | 06/06/2006 |
| 7033451 | Method and apparatus for ultrasonically stomping slider end stops on zipper An ultrasonic welding assembly comprising a horn, an anvil and an anvil cover. The horn comprises a generally T-shaped flattening surface and a rail projecting forward of the flattening surface. The rail is shaped to serve as a dam for flowing thermoplastic zipper m... | 04/25/2006 |
| 7000369 | Feed roll for package tubing equipped with cutting and sealing means The invention concerns packaging of products on sale outlets. It concerns a feed roll for heat sealing package tubing reel (11), comprising a body (3) provided with, in particular: means (4) supporting at least one reel (2) of package tub... | 02/21/2006 |
| 6991839 | Presentation folder formed from a laminate and process of using same A generally planar laminate used in forming a personalized presentation folder is provided. The laminate includes one or more patterns of adhesive and one or more die cuts or lines of weakness so as to be able to create one or more pockets and other variable configu... | 01/31/2006 |
| 6984282 | Method of forming a trapezoidally shaped sleeve having a printed lower portion A method of forming a plurality of floral sleeves having a uniform design or pattern and printed about a lower end thereof without requiring the waste of significant portions of sheet material is provided. The method includes the step of sealing and severing a pair ... | 01/10/2006 |
| 6979289 | Insertion 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 |
| 6968604 | Method for forming slider end stops on zipper A method and a system for forming slider end stops on a zipper tape that comprises first and second interlockable zipper parts. The method comprises the following steps: (a) transmitting sufficient ultrasonic wave energy into first and second areas of the zipper tap... | 11/29/2005 |
| 6966352 | Device for handling packaging material A welding device has two mutually engaging welding wheels, together with a separating device having a blade with a cutting edge. Two film webs can be welded together in conventional manner using the welding device. The blade is able to separate a projecting length f... | 11/22/2005 |
| 6954970 | Insertion 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 ... | 10/18/2005 |
| 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 second edges and a zipper including first and second interlocking membe... | 07/19/2005 |
| 6863766 | Method of forming a trapezoidally shaped sleeve having a printed lower portion A method of forming a plurality of floral sleeves having a uniform design or pattern and printed about a lower end thereof without requiring the waste of significant portions of sheet material is provided. The method includes the step of sealing and severing a pair ... | 03/08/2005 |
| 6733612 | Method of forming a trapezoidally shaped sleeve having a printed lower portion A method of forming a plurality of floral sleeves having a uniform design or pattern and printed circumferentially about a lower end thereof without requiring the waste of significant portions of sheet material is provided. The method includes the step of sealing an... | 05/11/2004 |
| 6719867 | Heat sealer for thermoplastic films A heat sealing/severing device for heat sealing thermoplastic films together. The device includes front and rear opposing jaws that are moveable between an open position and a closed position. The open position defines a zone for inserting the thermoplastic films be... | 04/13/2004 |
| 6635139 | Methods of making thermal seals and perforations A method for simultaneously sealing and creating a thermal perforation between two thermoplastic layers that comprises providing two thermoplastic layers. A drum is provided that has at least one sealbar and perforation assembly. The two thermoplastic lay... | 10/21/2003 |
| 6635002 | Seal cutter for plastic bag A seal cutter for a plastic bag includes a folding device, a conveyor device, a point cut-off device, a tension control device, and a coreless winding device. The folding device includes a rectangular guide plate, a triangular guide plate rested on the re... | 10/21/2003 |
| 6521075 | Method of forming a trapezoidally shaped sleeve having a printed lower portion A method of forming a plurality of floral sleeves having a uniform design or pattern and printed circumferentially about a lower end thereof without requiring the waste of significant portions of sheet material is provided. The method includes the step of... | 02/18/2003 |
| 6519918 | Methods of making resealable packages and reclosable seals Methods for making packages having improved openable and reclosable interlocking seals from a continuous web of composite packaging film, the seal having male and female portions of arrowhead shape in cross section, snap detents, and being formed transver... | 02/18/2003 |
| 6393804 | Method of forming open mouth zipper gusset bag A method of forming a gusseted plastic zipper bag. The zipper profiles are provided intermittently on a carrier web, the thickness of which is less than the bag film, the carrier web is attached to the bag film that has windows cut therein that are aligne... | 05/28/2002 |
| 6254521 | Apparatus for manufacture of a plastic bag with standup bottom wall A flat plastic bag is formed from a side gusseted tubular web. The bag is formed with an open end and a opposite spaced end seal. Hinge crease patterns are formed in each of the gusseted portions at the bottom end of the bag. The pattern includes a two ri... | 07/03/2001 |
| 6210308 | Apparatus and method for sealing foil material The present invention relates to a sealing apparatus for sealing foil material, the apparatus comprising a foil conveying means and a sealing means including a sealing head which has at least one sealing position for performing the foil sealing operation,... | 04/03/2001 |
| 6183590 | Method of forming a trapezoidally shaped sleeve having a printed lower portion A method of forming a plurality of floral sleeves having a uniform design or pattern and printed circumferentially about a lower end thereof without requiring the waste of significant portions of sheet material is provided. The method includes the step of... | 02/06/2001 |
| 6030329 | Machine for making disk jackets An automated machine for making standardized disk jackets of consistent quality from non-woven cloth and polypropylene materials includes a machine table, and a raw material mount, a feed roller unit, a first cutter unit, an ultrasonic closure unit, a sec... | 02/29/2000 |
| 5967962 | Apparatus and method for forming aperture cutouts for a pack of self-opening plastic bags An apparatus, method, and pack of tabless, self-opening bags with flapless aperture cutouts pack. In the apparatus and method, cylindrical dies connected to a vacuum source are used to cut out plugs of holes, and the plugs are evacuated to a receptacle. C... | 10/19/1999 |
| 5947882 | Bag-making apparatus An apparatus for making bags out of a thermoplastic web has a transport unit for feeding a leading end of the web in a transport direction to a cutting/welding station, tools at the station for transversely welding the web and cutting a bag from the leadi... | 09/07/1999 |
| 5934048 | Seal assembly for easy open pouch A pouch and a method and apparatus for forming an easy open pouch in a form-fill-seal process is disclosed. The apparatus includes a first bar; a means for cutting, housed within the first bar, the means for cutting including a main cutting blade having t... | 08/10/1999 |
| 5672235 | Plastic film stripper apparatus and method for heated sealing apparatus A sideweld bag making has a reciprocating seal bar and a roller. Drive rolls upstream of the seal bar moves a web in steps over the roller and seal bar seals and severs the web to form bags. A cooling plate between the drive rolls and sealing bar includes... | 09/30/1997 |
| 5575880 | Method for stamping heat-sensitive sheets A method for forming an item by partially fusing selected portions of two sheets together. A non-heat-sensitive barrier sheet is inserted between two heat-sensitive sheets. The sheets are stamped with a die to fuse portions of the heat-sensitive sheets to... | 11/19/1996 |
| 5545117 | Fuse bonding and fuse cutting machine for a plastic balloon and the like The present invention relates to a method for fuse-bonding or fuse-bonding and fuse-cutting a plastic sheet by an electric heat wire. It is possible to use for manufacturing a shopping bag and an inflatable toy of polyethylene, but especially, a mold for ... | 08/13/1996 |
| 5282778 | Method for making bags of synthetic material A method for making bags of synthetic material in which a tubular foil web of synthetic material is advanced in steps corresponding to the length of one bag. A continuously heated pair (11) of welding jaws grips the tubular foil web (3) of synthetic mater... | 02/01/1994 |
| 5194062 | Machine for pre-forming and rewinding film for side welded bags An apparatus and method for processing and rewinding a web made of easily stretchably deformable plastic film or the like. The web is drawn from a supply roll assembly by a series of synchronously driven draw and transfer rolls and directly delivered to a... | 03/16/1993 |
