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| Number | Title | Issue Date |
| 8146327 | Split crimper for heat sealing packaging material A split crimper for use in a crimping assembly for engaging and heat sealing overlapping layers of a packaging material includes a first crimper portion having a crimping surface and a second crimper portion that is secured to the first crimper portion to form a cri... | 04/03/2012 |
| 7941991 | Split crimper for heat sealing packaging material A split crimper for use in a crimping assembly for engaging and heat sealing overlapping layers of a packaging material includes a first crimper portion having a crimping surface and a second crimper portion that is secured to the first crimper portion to form a cri... | 05/17/2011 |
| 7730698 | Split crimper for heat sealing packaging material A split crimper for use in a crimping assembly for engaging and heat sealing overlapping layers of a packaging material includes a first crimper portion having a crimping surface and a second crimper portion that is secured to the first crimper portion to form a cri... | 06/08/2010 |
| 7389623 | Seal apparatus The sealing apparatus comprises (a) a heat seal jaw, (b) a heat seal bar having two heaters arranged in parallel, being provided in a front edge of said heat seal jaw and having a working surface, (c) a counter jaw disposed oppositely to the heat seal jaw, (d) a cou... | 06/24/2008 |
| 7323665 | Heating element for high-speed film-sealing apparatus, and method for making same A heating element for a film-sealing apparatus comprises a heating wire segment formed of a first metal having a first reflectance to laser radiation of a predetermined wavelength. The heating element further comprises a first conductor lead comprising a wire having... | 01/29/2008 |
| 7178316 | Ultrasonic sealing apparatus An ultrasonic sealing apparatus is provided for transversely ultrasonically sealing a packing material comprised of a laminated body including at least a thermoplastic resin layer having a tubular form and containing a fluid. The apparatus includes a horn having an ... | 02/20/2007 |
| 7003934 | Heat seal device A heat-sealing device moves a tube-shaped packaging material through operation of a seal jaw and counter jaw under the liquid surface of liquid food, and heat-seals a seal zone containing a cutting predetermined zone in the tube transverse direction. The tube-shaped... | 02/28/2006 |
| 6986232 | Ultrasonic sealing apparatus An ultrasonic sealing apparatus prevents a sealing failure by preventing a tunnel (through passage) to form in the step portions in the vicinity of both end portions of longitudinally sealed portions, when the tubular laminated packaging material is transversely ult... | 01/17/2006 |
| 6964798 | Multi-layered polymer based thin film structure for medical grade products A multiple layer structure comprising a first and a second skin layer, each skin layer composed of a polypropylene containing polymer, and a radio frequency (“RF”) susceptible layer adhered to and between the first and second skin layers. The RF layer has a firs... | 11/15/2005 |
| 6881286 | Tubular container with a heat seal having non-symmetrical inner and outer beads A sealed composite container for products is provided having a paperboard body ply with a liner ply adhered on the inner surface thereof. One end of the container is rolled outwardly to form a rim and exposing the inner surface of the liner ply, which comprises a he... | 04/19/2005 |
| 6877296 | Isolated targeting of problem areas in hermetic seals In order to reduce the percentage of leaks in sealed packages, the sealing jaws contain one or more raised regions that correspond to problem areas for leaks, i.e., adjacent to back seals and folds in the package design. The raised regions are raised approximately 4... | 04/12/2005 |
| 6871476 | Heat sealing and cutting mechanism and container forming apparatus incorporating the same A heat sealing and cutting mechanism to form a heat seal and a cut across a tube of flexible packaging material includes a carrier to contact the tube. A pair of closely spaced heat sealing bands are disposed on the carrier and are energizable to form closely spaced... | 03/29/2005 |
| 6837025 | High-Frequency heat-sealing apparatus To provide a heat-sealing apparatus capable of achieving an excellent heat-sealing wherein no generation of defective sealing is found even when heat-sealing under severe conditions with a fluid, such as when filling/packing a vegetable juice abundant in water-insol... | 01/04/2005 |
| 6612096 | Apparatus for closing packages made from a heat-sealable material An apparatus for closing packages made from a heat-sealable material has sealing jaws, which are subdivided by a recess or by slits into two zones. What is essential is that the two zones are eastically joined together by means of a connecting web, so tha... | 09/02/2003 |
| 6502372 | Apparatus for sealing packaging containers An apparatus and method for sealing a sealing area of a packaging container in which the sealing area has a predetermined exterior shape. The apparatus includes a generator, a horn and an anvil. The anvil has an abutting portion that conforms to the exter... | 01/07/2003 |
| 6276114 | High-frequency heat-sealing apparatus A high-frequency heat-sealing apparatus is provided which is capable of achieving a satisfactory seal in which a sealed zone is narrower in its width than at its central portion and in which contaminants such as liquid beverages are not present between th... | 08/21/2001 |
| 6260333 | Pressure pad for a container bottom sealing device A pressure pad for sealing a carton made from paperboard. The pressure pad comprises a top surface having a variety of components lying in a first plane, and a variety of recesses being formed within the pressure pad, on a base lower surface of the pressu... | 07/17/2001 |
| 6216420 | Device for heat sealing a tube of packaging sheet material filled with a pourable food product The device (1) for heat sealing a tube (3) of packaging sheet material filled with a pourable food product, has first and second jaws (8, 9) movable towards each other to grip the tube (3) under pressure and heat seal the tube. The first jaw (8) has a hea... | 04/17/2001 |
| 6167681 | Sealing apparatus A sealing apparatus is provided with a sealing block and inductors embedded in the sealing block. Each of the inductors is partially exposed above the surface of the sealing block and is provided with a first pressing portion for pressing the packaging ma... | 01/02/2001 |
| 6164038 | Heater assembly for automatic tablet sorting and counting machine A heater assembly for an automatic tablet dispenser is disclosed. The heater assembly includes a pair of heating rollers respectively having an insertion hole formed through each shaft thereof to receive a heating line therethrough, and a pair of peripher... | 12/26/2000 |
| 6155030 | Sealing apparatus applied to a vertical type forming, filling and closing machine for flexible package A sealing apparatus applied to a vertical type flexible package forming, filling and closing machine includes a heater block arranged near a filling tube and having a heating ridge, and a web guide attached to the outer surface of the filling tube and hav... | 12/05/2000 |
| 6041580 | Crimping jaw assemblies for forming package closures An improvement in a package closure crimping apparatus in which opposed crimping jaws are moved in crimping directions toward and away from one another to exert crimping forces for forming a sealed closure in a package constructed of thin film material ha... | 03/28/2000 |
| 6023917 | Method of producing finned packages, and a separating device for carrying out the method The method proposed calls for a crush blade (9), which separates cross-sealed plastic bags from each other, to be built into a cross-sealing jaw. The crush blade (9) has a zig-zag crush edge (16) made up of V-shaped grooves (17,18) laterally staggered wit... | 02/15/2000 |
| 5983607 | Heat sealer and method for using same A package is provided with a lid and container that are heat sealed together. A multi-ply sheet material is provided for being thermoformed to define the container which has a tapering wall and bulge-resistant bottom end. Prior to thermoforming the contai... | 11/16/1999 |
| 5937615 | Apparatus for making resealable packages Apparatus for making flexible packages having an openable and resealable interlocking closure from a continuous web of flexible film, the closure being formed transversely to the direction of film flow at the consumer preferred position across one end of ... | 08/17/1999 |
| 5870884 | Compartmented package with multistage permeation barrier A multiple compartment package having a connecting bridge with a frangible internal barrier is made from two composite or thermoplastic sheets or webs welded together to form the front and back walls of the package, and the central bridge portion is defin... | 02/16/1999 |
| 5787690 | Residual product removing apparatus A residual product removing apparatus which can prevent a liquid food (12) from flowing out even when a seal portion (S) is cut at its center. A pair of cutting rails (31, 32) are disposed in a cutting jaw (15a), and a cutter (21) is disposed in a clearan... | 08/04/1998 |
| 5775055 | Ultrasonic sealing anvil An anvil system including a plurality of anvils having an interconnected cooling system. Each of the anvils has a means for acoustically insulating the anvil body from ultrasonic energy which originates from a ultrasonic horn. The insulation means may be ... | 07/07/1998 |
| 5727686 | Tamper-evident security envelopes A tamper-evident envelope has a first layer of paper-containing material and a second layer of paper-containing material attached to each other along a number of seams. Each seam includes a pattern embossed and/or perforated through both layers along a ma... | 03/17/1998 |
| 5713181 | Carton bottom seal A gabled carton is set forth that is comprised of a top gabled portion, a bottom gabled portion and a bottom fin extending from the bottom gabled portion. The bottom fin has a distal seal extending lengthwise along the bottom fin at a location between the... | 02/03/1998 |
| 5714033 | Heat-sealing device for liquid-filled tube A heat-sealing device for liquid-filled tubes has a pair of openable pressing members 23, 24. One of the pressing members, 23, is provided in a pressing face 31 thereof with upper and lower two pressing pads 34, 35 extending in parallel to each other for ... | 02/03/1998 |
| 5713182 | Apparatus for manufacturing clear plastic packages The present invention provides a sturdy display package which, in an embodiment, is made of first and second peripherally sealed transparent PVC sheets approximately 7.5 mils thick each. The package is particularly useful for displaying and protecting sma... | 02/03/1998 |
| 5683339 | Container fabrication method The bottom of a paperboard container of the type suitable for consumer distribution of liquid foods such as milk and fruit juice includes an embossed concavity to reinforce the bottom against bulging under content fill pressure for improved free-standing ... | 11/04/1997 |
| 5682732 | Sealing jaw constructed from two ceramic materials of which one is electrically conductive The invention relates to a sealing jaw for sealing thermoplastic materials or paper or cardboard coated with thermoplastic material, preferably packaging material. The sealing jaw is constructed from two ceramic materials, of which one is electrically ins... | 11/04/1997 |
| 5678392 | Residual product removing apparatus A residual product removing apparatus which can prevent a liquid food (12) from flowing out even when a seal portion (S) is cut at its center. A pair of cutting rails (31, 32) are disposed in a cutting jaw (15a), and a cutter (21) is disposed in a clearan... | 10/21/1997 |
| 5605026 | Ultrasonic carton sealer Ultrasonic sealing apparatus, including at least one anvil and at least one transducer opposed to the anvil to transmit ultrasonic energy to a workpiece clamped between them, is disclosed. The anvil and sealing horn each are reciprocated between an open p... | 02/25/1997 |
| 5582665 | Process for sealing at least one well out of a number of wells provided in a plate for receiving chemical and/or biochemical and/or microbiological substances, and installation for carrying out the process A plate having wells therein for receiving chemical substances is provided with a coverplate covering said filled wells. The process for sealing the wells by providing a joining seam running around the wells provides the joining seam such that it has a pr... | 12/10/1996 |
| 5571370 | Apparatus for heat-sealing thermoplastic materials An apparatus for heat-sealing thermoplastic materials includes a sealing jaw with a groove in which a thermal strip is mechanically anchored. The flange portions of the jaw projecting on either side of the groove are compressed towards one another and tow... | 11/05/1996 |
| 5564263 | Package for dispensing a fluid treating substance and method and apparatus for heatsealing the dispensing package A package for dispensing a substance that imparts a desirable property to a body of water. The dispensing package comprises a water permeable bag of non-woven fabric enclosing a predetermined quantity of particulated product, such as tea or coffee that re... | 10/15/1996 |
| 5517801 | Lifter mechanism employing a carton gripper and carton bottom seal configuration for use therewith A gable-bottom carton gripper is disclosed for lifting and transporting container blanks between various positions within a packaging machine. Container blanks are sealed in a gable-bottom configuration using predesigned sealing jaws. The sealing jaws fea... | 05/21/1996 |
