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| Number | Title | Issue Date |
| 5127208 | Method and apparatus for forming a reclosable package A method and an apparatus for applying a reclosable profile element and a tear strip element to a packaging film is disclosed. Packaging film is formed into a tubular form about a forming tube. The tubular shaped packaging film is advanced along the lengt... | 07/07/1992 |
| 5117612 | Method and apparatus for controlling the movement of cross-welding jaws of a tubular bagging machine In order to avoid in a tubular bagging machine the disadvantages resulting from the state of the art through a cam-plate control of cross-welding jaws, it is suggested according to the invention, that the control of the movement of the cross-welding jaws ... | 06/02/1992 |
| 5112632 | Method and apparatus for forming and hermetically sealing slices of food items An apparatus and method are provided for forming a hermetically sealed package for a slice of a food item. A web of thermoplastic material is first formed into a tubular arrangement with a hermetic longitudinal seal. To form the tubular arrangement, means... | 05/12/1992 |
| 5097651 | Process and device for improving the rigidity of a container made of synthetic material The stiffness of a flexible, substantially parallelepipedal container formed by shaping and welding a film which is made of a synthetic material and which is to enclose a liquid to be packaged, is improved by applying, before shaping, a second layer of a ... | 03/24/1992 |
| 5067306 | Process and apparatus for processing easy-opening bag A process for providing easy-opening of a sealed and packed bag by means of an automatic bag-making packer involves pressing on a side margin of an outermost turn of a roll of film a cylindrical surface of a cutting roller mounted in the automatic bag-mak... | 11/26/1991 |
| 5062253 | Combined film feeding stripping and sealing for bag forming and method A combined blousing, stripping and sealing operation is disclosed for providing increased speed and efficiency to a form, fill and seal packaging system. An AC/DC brushless servo motor is utilized for driving the stripping/sealing carriage, as well as ope... | 11/05/1991 |
| 5046300 | Method and apparatus for forming a reclosable package A method and an apparatus for applying a reclosable profile element to a packaging film is disclosed. Packaging film is formed into a tubular form about a forming tube. The tubular shaped packaging film is advanced along the length of the forming tube and... | 09/10/1991 |
| 5038550 | Vertical form and fill machine improvements A vertical form, fill and seal machine has a pair of transverse heat sealing jaws adapted to collapse a tubular film, a pair of spreader fingers, and at least one pair of detucker fingers to pinch a longitudinal edge of the tubular film and urge the pinch... | 08/13/1991 |
| 5027583 | Method of forming foam cushions for packaging purposes The invention is a method of forming large-volume foam cushions for packaging purposes wherein each cushion comprises a closed bag formed from respective first and second superposed sheets of plastic material and filled with foam. The method comprises fol... | 07/02/1991 |
| 5027584 | Method and apparatus for unfolding folded zipper film A method and a mechanism for making plastic film bags having a reclosable zipper including wrapping a continuous supply of film over a forming tube to form a seam joining the edges of the film and cross-seaming the film, supporting the supply roll of film... | 07/02/1991 |
| 5014497 | Method and apparatus for smoothing of bag making material in form, fill and seal machines A device for assuring substantial smoothness in bags formed on a form, fill and seal machine comprising structure engageable with a closure along one edge of flattened bag making material below a forming and filling tube, and cooperating members operating... | 05/14/1991 |
| 5014498 | Web control means and method for bag making machine An apparatus and method for making and filling bags from plastic film, wrapping an endless supply about a forming and filling tube where the supply has a plastic zipper profile extending intermediate the edges of the film material, controlling the feed of... | 05/14/1991 |
| 5014499 | Stretch stress relief for bag thermo-cross-seals in vertical form, fill and seal machines A support is provided for filled bags in a form, fill and seal package or bag making machine to avoid stretch stress damage to the thermosealed top edge of the filled bag during the cross-sealing and pull-down action of cross-sealing and pull-down bars fu... | 05/14/1991 |
| 5014493 | Form-fill-seal packaging Vertical form-fill-seal packaging of a fluent product, such as flour, wherein flexible packaging material is formed into tubing around a downwardly extending mandrel, the tubing is intermittently fed downwardly in package length increments off the lower e... | 05/14/1991 |
| 5007744 | Strips of interconnected pre-opened reclosable bags Strips (1,21,31,41,51) of pre-opened bags (2,2') detachably connected together in which each bag (2,2') includes a reclosable system comprising an adhesive tape (15) that is adhered along the exterior of one wall (3) of the bag (2,2') spanning an open zon... | 04/16/1991 |
| 4999974 | Method of and apparatus for forming filling and sealing packages Method of and apparatus for forming filling and sealing packages in which flexible packaging material is formed into tubing, the tubing is fed downwardly and transversely heat sealed at package length intervals by closing a pair of sealing members, the se... | 03/19/1991 |
| 4999975 | Apparatus and methods for dispensing foamable products New and improved foam cushions for packaging purposes of the type including a cushion envelope partially filled with an expandable cushioning foam material are provided. The cushion envelope includes a foam-receiving cavity and is defined by a unitary web... | 03/19/1991 |
| 4996825 | Combined blousing, stripping and sealing for bag forming and method A combined blousing, stripping and sealing operation is disclosed for providing increased speed and efficiency to a form, fill and seal packaging system. An AC/DC brushless servo motor is utilized for driving the stripping/sealing carriage, as well as ope... | 03/05/1991 |
| 4993212 | Method and apparatus for guiding a zippered film in form, fill and seal package making machines A forming shoulder for a forming and filling tube of a form, fill and seal machine has a skirt provided with a guide channel for a longitudinal zipper area of a package making material sheet running over the forming shoulder, thereby retaining the zipper ... | 02/19/1991 |
| 4991379 | Substantially frictionless and static-free former and feed tube An apparatus for forming bags from a thin plastic film in a tube form fill operation wherein plastic film is fed over the outer surface of the tube and the edges of the film are joined to provide a bag tube and an antistatic friction reduction surface tre... | 02/12/1991 |
| 4986054 | Fill tube spreader A method and apparatus for forming bags, such as from a continuous sheet of thermoplastic film fed forwardly and wrapped over a forming tube with the contents being filled into the bag through the tube and the end of the film formed into a bag tube being ... | 01/22/1991 |
| 4979353 | Apparatus for filling two or more bags with product Apparatus for depositing two or more filled and sealed bags of product in a single box, comprising a shuttle embodying two or more chambers for successively receiving the filled and sealed bags from a filling and sealing machine for deposit of the filled ... | 12/25/1990 |
| 4964259 | Form-fill-seal deflation method and apparatus A process and apparatus for forming, filling, sealing and deflating a package of goods prior to the time the fill opening is sealed includes a blast of air against the exterior flexible sidewalls of the package to thereby drive gas from the inside of the ... | 10/23/1990 |
| 4962797 | Cross-cutting method for bag filling machines A method for separating a pair of plastic bags, connected together at a transversely disposed parting line, comprises the steps of intermittently moving the pair of bags along a path disposed in a horizontal plane, stopping the bags and placing the partin... | 10/16/1990 |
| 4961302 | Sealing bars having asymmetrical sealing surfaces A pair of sealing bars for a pouch packaging machine have sealing surfaces which are asymmetrical with respect to one another. The sealing surface on one of the sealing bars is flat and smooth, having linear edges in two perpendicular directions. The seal... | 10/09/1990 |
| 4950345 | Method and apparatus for making improved seals between polymeric film materials A back-up pad is provided over an anvil surface of a back-up plate, and between the anvil surface and a sealing surface of a sealing die, in an apparatus for forming seals between layers of film material. The back-up pad has a slip surface on one side the... | 08/21/1990 |
| 4947621 | Vertical form/fill/seal machine for making three side fin pouches A vertical form, fill, seal machine for continuously making filled three sided fin pouches is disclosed herein. Mechanisms for controlling the thermoplastsic web so that the seals are improved are disclosed. One of the mechanisms ensures that equal length... | 08/14/1990 |
| 4924656 | Forming, filling and sealing bags and depositing them in cartons A method of and apparatus for forming, filling and sealing bags and depositing the filled bags in cartons, wherein the bags are formed, filled and sealed by a vertical form-fill-seal machine and each bag is compressed to shape it to fit in a carton.... | 05/15/1990 |
| 4919740 | Method and apparatus for forming fin-type back seals An improved apparatus and method for providing uniform fin-type back seals with flexible packaging material for use in conjunction with form-fill-and-seal machines is disclosed which utilizes a moveable tucker plate disposed between the mated edges of the... | 04/24/1990 |
| 4909017 | Reclosable bag material, method and apparatus A new method of making a form fill bag having a reclosable fastener thereon and a mechanism therefor wherein a continuous length of film is advanced and joined first and second fastener profile strips are laid laterally onto the film of a length substanti... | 03/20/1990 |
| 4905452 | Easy-open flexible pouch and apparatus and method for making same A pouch and a method and apparatus for forming an easy open pouch in a vertical form-fill-seal process wherein a pouch is formed from a sheet of thermoplastic film and a heat seal between pouches as they are filled serves as the top closure for the lower ... | 03/06/1990 |
| 4897273 | Package with freshness keeping agent sack A package of a food or a similar product which has to be preserved in fresh state. The package contains a sack charged with a freshness keeping agent for keeping the product fresh together with the product. The package comprises a carrier seat provided in... | 01/30/1990 |
| 4894975 | Method and apparatus for making reclosable bags with fastener strips in a form fill and seal machine A method and apparatus for forming a tube and bag from a supply of thin thermoplastic film with the film being formed into tubular shape about a filling tube with the edges of the film brought together and joined solely by a zipper strip having reclosable... | 01/23/1990 |
| 4891929 | Method for the production of prismatic containers with plane gable surfaces without any lateral ears In a method of forming prismatic liquid containers from continuously fed tubing, lateral regions of the tube to be connected by sealing strips are pressed inwardly before adjacent gable surfaces of the tubing are pressed together and sealed, thereby avoid... | 01/09/1990 |
| 4884387 | Vertical form-fill-seal method and apparatus Method of and apparatus for forming, filling and sealing packages wherein a web of flexible packaging interval is formed into tubing around a mandrel and intermittently fed downwardly in package length increments by intermittently moving portions of conti... | 12/05/1989 |
| 4881360 | High capacity package seal, sever, and brick apparatus and method Improved clamp, seal, sever, and brick apparatus for use in form, fill, and seal machines that form a polyfoil tube filled with a product into a plurality of sealed packages, preferably aseptic packages. The improved apparatus incorporates a plurality of ... | 11/21/1989 |
| 4869048 | Stretcher for package forming A method and apparatus for forming bags such as in a form, fill and seal machine wherein the bags are formed by drawing film downwardly over a filling tube and cross-sealing the bag tube and applying a lateral stretching force to the bag tube at the locat... | 09/26/1989 |
| 4860522 | Form, fill and seal registration system apparatus and method including variable length compensation and out of registration restoration A control system and method for an apparatus for sealing packages wherein a web of flexible packaging material having a series of registration marks is formed into tubing and fed past a sealing device for sealing the tubing to form packages. As the tubing... | 08/29/1989 |
| 4854109 | Apparatus and method for forming foam cushions for packaging purposes An apparatus and method is disclosed for successively forming foam filled bags or cushions of the type wherein a foamable composition is deposited in a plastic bag. The method and apparatus includes advancing a pair of plastic webs along a substantially h... | 08/08/1989 |
| 4848063 | Method of manufacturing packaging container A method for making parallelepiped or brick-shaped containers of greater mechanical strength and better appearance, avoiding any mismatching of the printed patterns due to displaced joints in the middle of the side of the container walls. A longitudinal s... | 07/18/1989 |
