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| Number | Title | Issue Date |
| 7578779 | Bag machine and winder A method and apparatus for making and winding bags is disclosed. The bag machine includes an unwind section, a forming section, and a winder. The winder has an infeed nip and two spindles. Each spindle is located along a respective one of two alternative film paths.... | 08/25/2009 |
| 7396321 | Pouch packaging machine having adjustable operating orientations A pouch packaging machine and method of selectively changing the orientation of a pouch packaging machine. The pouch packaging machine has at least one spool for holding at least one roll of packaging film material. The packaging film material advance through a pres... | 07/08/2008 |
| 7326162 | Bag making machine A plastic bag making machine is disclosed, and includes a dancer assembly that receives film from which the bags are to be made. The film travels from the dancer assembly to a drum-in nip and then to a sealing drum. After the sealing drum, the film travels to a drum... | 02/05/2008 |
| 7314439 | Process for manufacturing a pouch-type form of packaging A process for manufacturing a tetrahedral-shaped pouch (100 from a flexible strip of film material is such that a tube (13) is formed from a strip (32) in a continuous manner involving the creation of a longitudinal sealing seam (12), and... | 01/01/2008 |
| 7258656 | Packaging machine and process A packaging machine utilizing side connected chains of open bags is disclosed. The machine has loading and closure sections which are moveable between operating and cleaning/service positions. A resistance heater subassembly is removeable to enable washdown. ... | 08/21/2007 |
| 7204794 | Machine and method for making filter bags for infusion products A machine (1) for making filter bags (4) of tetrahedral shape for infusion products comprises a revolving conveyor drum (15) driven by a first drive shaft (16) to feed a web (5) of filter paper along a path (P) on which there are p... | 04/17/2007 |
| 7182827 | Rotary heat sealing device and method The present invention is directed to the welding of a trailing sheet tail on a roll of sheet material to an underlying layer of the sheet material on the roll to form a finished roll product ready for packaging. A device for effecting the welding comprises a thermal... | 02/27/2007 |
| 7171795 | Transverse sealing mechanism for bag-manufacturing and packaging machine and bag-packaging machine equipped therewith The bag-manufacturing and packaging machine transverse sealing mechanism is for a bag-manufacturing and packaging machine that makes bags by sealing a tubular packaging material longitudinally and transversely while also filling the bags with items to be packaged. T... | 02/06/2007 |
| 7169102 | Process for manufacturing a pouch-type form of packaging A process for manufacturing a, tetrahedral-shaped pouch (100 from a flexible strip of film material is such that a tube (13) is formed from a strip (32) in a continuous manner involving the creation of a longitudinal sealing seam (12), an... | 01/30/2007 |
| 7114307 | Filling and packaging machine A filling and packaging machine capable of supplementing the shortage of heat quality without lowering package speed when a film is heat-sealed while being pressurized by a vertical sealing mechanism, comprising a film folding mechanism having an inner surface guide... | 10/03/2006 |
| 7059532 | System and method for storing and synchronizing forms between printer and device for attaching personalized cards by creating shingled stacks An apparatus that stores and synchronizes printed forms that are being transferred between a high speed forms printer and a mechanism for attaching plastic cards to the forms. The apparatus is also able to buffer the forms that are in progress in the printer should ... | 06/13/2006 |
| 7022057 | Device for manufacturing packing bags A device for manufacturing packing bags from two packaging films, comprising two transport rollers, each of which pulls a film from a respective feed roll. The two films have marks printed on them at regular intervals. The transport rollers are pressed against corre... | 04/04/2006 |
| 7011879 | Composite polymeric twist tie A polymeric twist tie 20 is taught that utilizes a thermoplastic monofilament 22 having an oriented characteristic produced by stretching a pre-heated monofilament through a heated, volume reducing die. The monofilament 22 is then coated 30 | 03/14/2006 |
| 6740020 | Plastic bag making apparatus An apparatus is arranged to successively make plastic bags. The apparatus comprises a trapezoidal plate including a short edge having opposite ends from which opposite oblique edges extend divergently. The trapezoidal plate comprises a double walled structure in whi... | 05/25/2004 |
| 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 |
| 6524434 | Tubular device in a bagging machine A tube-forming apparatus in a bag-forming, filling, and sealing machine has a longitudinal seam heat-sealing device for connecting edge regions of the packing material belt that are placed against each other inside surface to inside surface. In order to a... | 02/25/2003 |
| 6298983 | Storage bag with soaker pad A storage bag with soaker pad, and a material and method for making same. The bag of the invention includes a bag having a front and rear panel of a plastic film, the front and rear panels being closed at one end to form a bottom of the bag, the bag being... | 10/09/2001 |
| 6261215 | Rectangular thin film pack A pack comprises a horizontal base and vertical side walls formed from a blank. The side walls are joined to each other in planes perpendicular to the base and form stiffening ribs. The side walls are seamlessly joined to the base and the base is seamless... | 07/17/2001 |
| 6186933 | Plastic bag manufacturing process A process for bag manufacture of a bag having a first dimension from a sealed bottom of the bag to an open top of the bag, the bag being fabricated from a continuous tube of plastic film bag material. The process includes the steps of providing a continuo... | 02/13/2001 |
| 6135938 | Machines for manufacturing containers of plastic material such as envelopes, bags, handbags and the like The machine (1) is provided for production of containers (8) having a trapezoid or triangular form in plane, starting from two films (4) of plastic material superposed on each other. The machine (1) comprises a work station (6) provided with a pair of hea... | 10/24/2000 |
| 6117058 | Bag making machine A plastic bag making machine is disclosed, and includes a dancer assembly that receives film from which the bags are to be made. The film travels from the dancer assembly to a drum-in nip and then to a sealing drum. After the sealing drum, the film travel... | 09/12/2000 |
| 6110089 | Bag making and packaging machine A bag making and packaging machine has a pair of transverse sealing members on opposite sides of a film path for transversely sealing a bag-making film moving longitudinally along this path. A pair of support members supports these transverse sealing memb... | 08/29/2000 |
| 5961433 | Method and apparatus for forming bags from flexible plastics sheet Bags, primarily for liquid or other flowable products, are formed from sheet plastics material to define a generally rectangular container closed at one end and with a filling and discharging arrangement at the other end. The bags are formed from an outer... | 10/05/1999 |
| 5951452 | Method and apparatus for the manufacture of infusion packages Two continuous travelling webs (1, 2) of porous material are provided for forming the eventual infusion packages. The lower web (2) is dosed with measured amounts (3) of infusible substance, such as tea, on its upper surface at spaced intervals by the dos... | 09/14/1999 |
| 5938243 | Paper product and related method A paper product, such as an advertising brochure, a cover or the like, is formed by using the novel method of the present invention. In the present method, a continuous moving web of paper is provided. The web is longitudinally slit at positions offset to... | 08/17/1999 |
| 5833107 | Apparatus for drawing, a web through a synchronization section of a bag making machine A split bag making machine includes a first primary split draw roller and a second primary split draw roller, each having first and second web contacting sections which are independently rotatable, the first section of the first primary split draw roller ... | 11/10/1998 |
| 5830117 | Torque control for continuous motion bag machine There is provided a torque control assembly for use on a continuous motion bag machine comprising torque driven means and a drive for driving a motor wherein the torque driven means is operatively connected to the motor for lowering a tension in a web pri... | 11/03/1998 |
| 5785794 | Seal roll index An apparatus for indexing a seal roll which is engagable by a heat seal head to prevent the contact area of said heat seal head from successive landing at the same location on the seal roll includes a driven pulley mounted coaxially with the seal roll and... | 07/28/1998 |
| 5772565 | Heat sealer A seal assembly for packaging machines facilitates the heat sealing of layers of material at the mouth of loaded bags. An operator may insert the layers of material between a pressure pad and a seal member positioned in a spaced position. Upon activation ... | 06/30/1998 |
| 5738618 | Blanket sealing bag machine There is provided a blanket sealing bag machine having a variable diameter sealing drum comprising a plurality of spindles disposed at a first end of an axle and a like plurality of spindles disposed at an opposing end of the axle, the plurality of spindl... | 04/14/1998 |
| 5733236 | Bag-making apparatus having automated positioning of attachments A bag-making apparatus is configured for automatic positioning of a plurality of attachments of the apparatus which are in operative association with a web of bag-making material. The adjustment apparatus is configured to effect conjoint translational mov... | 03/31/1998 |
| 5685815 | Process of using paper containing alkaline sizing agents with improved conversion capability Fine paper that is sized with a 2-oxetanone alkaline sizing agent and that does not encounter machine feed problems in high speed converting or reprographic machines, including continuous forms bond paper and adding machine paper, processes for converting... | 11/11/1997 |
| 5540644 | Packing bag for light sensitive materials and manufacturing method therfore A bag for packing a light-sensitive material is disclosed. The bag has an outermost surface and an innermost surface and is essentially consisting of a material for making the bag which comprises not less than 70% by weight of polyethylene and 1 to 10% by... | 07/30/1996 |
| 5536357 | Bag gripping and transfer apparatus and method A method and apparatus for gripping a bag and downstream handling, such as application of a header label to the bag. The bag, which has previously been filled with a product, is presented to the apparatus at an upstream bag presentation and accepting stat... | 07/16/1996 |
| 5518490 | Apparatus and method for the production of zipper-type closure bags An apparatus and method for producing zipper closure bags from a continuous tube which includes advancing the tube along a continuous path for travel with a rotating metering roll, the metering roll having circumferentially spaced apart ports correspondin... | 05/21/1996 |
| 5230688 | Servo driven components of a bag machine The invention has to do with the modification of well known heat sealing bag machines to increase the production capability of the machines. The use of servo drives for selected components of the bag machine permits the reduction of film acceleration and ... | 07/27/1993 |
| 5215514 | Method and arrangement in a bag-making machine for forming weld lines in a web fed therethrough An arrangement in a bag-making machine for forming weld lines in a web continuously fed through the machine, preferably a flattened plastic film tube, comprises a cylindrical, freely rotatable drum; a driving belt which is adapted to rotate the drum and p... | 06/01/1993 |
| 5114393 | Method and apparatus for manufacturing sacks, and sacks obtained thereby A method and apparatus for manufacturing sacks, made of polyethylene or other heat-sealable material, obtained by superposing two films or sheets which are unwound from respective rolls and are submitted to a pair of longitudinal welds to form a tube, and... | 05/19/1992 |
| 5094656 | Servo drive bag machine A machine for the continuous production of plastic bags utilizes a servo drive motor to drive the machines film web draw roll assembly and through a seal roll index gear also to drive a seal roll of the machine in coordination with the servo driven draw r... | 03/10/1992 |
| 5080747 | Heat sealing mechanism with linearly movable seal bars Heated seal bars are located on opposite sides of an elongated strip of heat sealable material adapted to be advanced with a step-by-step motion. When the strip dwells, the bars are shifted linearly inwardly into engagement with the strip to form a heat s... | 01/14/1992 |
