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| Number | Title | Issue Date |
| 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 |
| 7108650 | Procedure of attaching sheets and padded envelope The envelope comprises layers of plain un-coated kraft paper and of bubble-wrap polyethylene. A stack of the layers is joined at the marginal edges of the envelope by squeezing the stack between a pair of points-dies, which are formed with points that puncture the k... | 09/19/2006 |
| 7104943 | Method and unit for flexing a flat blank for producing a rigid package A method and unit for flexing a flat blank having preformed fold lines; the flat blank is fed by a seat on a conveyor along a path through a flexing station, where a rigid folding body is rolled over the seat to fold the blank against two fixed folding spindles of t... | 09/12/2006 |
| 7021032 | Tube-filling machine and a method for tube end sealing in such a machine The invention provides tube-filling machines and methods for, in such machines, end sealing of double tubes (10), that is to say the tube type which has concentric packing tubes (11, 12) which are connected to a common tube shoulder (13) provide... | 04/04/2006 |
| 6632162 | Method of making tray liners for item storage containers A method for making recessed tray liners for storing objects in a storage container is disclosed. The first step in the method is to size a structural thermoplastic foam liner to fit within a tray. The foam liner is preferably a foamed polyethylene plasti... | 10/14/2003 |
| 6602174 | Method and apparatus for sealing a drawtape to a hem of a thermoplastic film structure A method and apparatus for sealing a drawtape to a hem of a thermoplastic film structure is disclosed. The thermoplastic film structure includes a panel, the hem, and the drawtape. The hem is formed along one end of the panel, and the drawtape is housed w... | 08/05/2003 |
| 5894709 | Article wrapping machine An end seal wrapping machine (10), and method of forming an end seal in a spaced series of articles (A) moved therethrough, is disclosed. The wrapping machine has a first rotating shaft (40) on which at least a first upper sealing and crimping head (41a, ... | 04/20/1999 |
| 5857953 | Draw tape machines This invention pertains to draw tape equipment, and methods for incorporating draw tapes into plastic and like bags. In general, a continuous plastic web is slit at a slitting station to form layers, and respective free edges. The web then passes to a hol... | 01/12/1999 |
| 5797828 | Draw tape machines and methods This invention pertains to draw tape equipment, and methods for incorporating draw tapes into plastic and like bags. In general, a continuous plastic web is slit at a slitting station to form layers, and respective free edges. The web then passes to a hol... | 08/25/1998 |
| 5502952 | Low thermal inertia sealer Vertical sealer apparatus in a pouch form, fill and seal machine capable of reducing undesirable vertical seal growth along a web of heat-sealable material. The apparatus includes a drum cast of aluminum and having a plurality of elongated slots directed ... | 04/02/1996 |
| 5134833 | Packaging machine & method A machine and method for loading bags of a preformed web of side interconencted bags. The top of a bag web is slit open and then fed between a pair of belt conveyors. The tops of the bags projecting over the conveyors belts are folded down over them and t... | 08/04/1992 |
| 4850944 | Hot air hem sealer heat exchanger Apparatus for heat sealing the respective layers of film in a pair of hems in a moving web of film in the manufacture of draw tape bags. A pair of hot air hem sealer units is provided each of the units including a hot air hem sealer heat exchanger having ... | 07/25/1989 |
| 4794750 | Method for making containers having ports A method is disclosed for making containers (40) in which a sheet of thermoplastic material (10) that is adapted to be formed into a pouch is introduced into a mold cavity (14). A molding compound (22) is also introduced into the mold cavity (14). The mol... | 01/03/1989 |
| 4534818 | Method and apparatus for ultrasonic sealing An automatic form-and-fill packaging machine especially adapted for the ultrasonic sealing of food products in flexible bags from ultrasonically sealable flexible packaging material, and a method to utilize said machine. A packaging machine is provided wi... | 08/13/1985 |
| 4485613 | Apparatus for producing tubular-pouch packages An apparatus for producing tubular-pouch packages with heat-sealed transverse seams. In order that the bottom seam will harden rapidly following the securing process, a cooling medium is blown onto it by a nozzle. The nozzle is disposed in the tubular bod... | 12/04/1984 |
| 4214509 | Method and apparatus for manufacturing bags of a continuous web of a thermoplastic synthetic sheet material A method and apparatus for making bags from a thin thermoplastic material supplied as either a flat tube or a double-folded web to an advancing supporting path such as the common opposite flights of two sets of endless conveyors, thereby applying the loop... | 07/29/1980 |
