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| Number | Title | Issue Date |
| 6708465 | Device and method for wrapping soft elements The invention relates to a method for wrapping a plurality of soft elements, comprising the steps of stacking the elements, compressing the stack in a direction of stacking, and thus forming a package, inserting in a feeding direction the package into a film, prefer... | 03/23/2004 |
| 6029423 | Process and apparatus for synthetic packaging In order to improve a process for producing plastic packaging, particularly using plastic sheets, lateral sections (14) projecting beyond goods to be packaged being at least partly shrunk by heat supply, so that heat-sensitive goods also can be packaged i... | 02/29/2000 |
| 5618253 | Heat-sealing method for a paper container and apparatus of the same An inner seal portion (30a) of an open edge portion (1a, 1b) of a paper container (1) is aligned face-to-face with an inner peripheral heating portion of a seal-heating apparatus. An outer seal portion (30b) of the open edge portion is aligned face-to-fac... | 04/08/1997 |
| 5447016 | Packaging machine A packaging machine having a filling device, a top breaker, a top heater and a top sealer which are arranged along a path of transport of containers. A hot air applicator is disposed between the filling device and the top breaker for eliminating the froth... | 09/05/1995 |
| 5255494 | Method and apparatus for forming carton opening arrangement, and cartons made thereby A process for forming an easy-opening arrangement for gable-top cartons is described. A tape is applied to the inside of the pouring spout in order to stiffen the panels, while reducing the force required to separate the thermoplastic seal. The tape is bo... | 10/26/1993 |
| 5230204 | Heat sealed carton A gable-top carton has a pair of panels (4, 6) which form sloping walls and have marginal portions (4m, 6m). Another pair of panels (3m, 5m), are tucked beneath the sloping walls and have marginal portions (3m, 5m). The marginal portions (3m-6m) are heat ... | 07/27/1993 |
| 5058361 | Package end fold sealer and method An apparatus for sealing the folded end flaps of a plastic film package is disclosed. The apparatus has means for transporting the package along a path and linear spaced end fold guides which are spaced from the path so as to retain the end flaps of the p... | 10/22/1991 |
| 4989391 | Automatic bagging, heat sealing and discharge machine An automatic bagging machine comprising a collector for receiving a predetermined number of articles to be placed in a single bag therein. A trap door is disposed under the collector. A first bag on a wicker is opened, filled through the trap door, and dr... | 02/05/1991 |
| 4838009 | Method of heat activating top closure panels A method of heat activating the interior surfaces of the top closure, fin forming panels of a paperboard carton of the type shown in U.S. Pat. No. 4,732,275 to thereby render their PE coating tacky prior to folding the panels to form the carton top closur... | 06/13/1989 |
| 4403465 | Method and device for closing and sealing gable shaped folding cartons Apparatus and method for forming sealed joints, including a pouring lip sanitarily protected therein, by welding layers of thermoplastic coated paperboard together. Paperboard layers are pressed together by jaws, with relieved areas where excessive pressu... | 09/13/1983 |
| 4351692 | Apparatus and method for automatically filling and heat weld sealing lengths of plastic tubing A machine for automatically sealing the end of various sized lengths of plastic tubing and for filling same has a clamshell clamp for straightening and firmly positioning the tubing, a carriage with an alignment ring which is lowered over the end of the t... | 09/28/1982 |
| 4350003 | Sealing head In a bagging machine for producing industrial bags, an improvement comprising a sealing head compartmented on the back side, and included is a plate valve to block at least certain of the compartments during the initial part of the sealing cycle. During t... | 09/21/1982 |
| 4218863 | Continuous motion wrapping machine A synchronized wrapping machine which receives a series of articles to be wrapped and forms and heat seals a wrap of heat sealable material around each article. The incoming articles are longitudinally aligned and are thereafter conveyed in preselected sp... | 08/26/1980 |
| 4210480 | Steam seal of bag ply A steam seal machine and process is disclosed to seal together the two contiguous edges of an inner heat sealable ply in a multi-ply tubular bag form. The bag forms are conveyed transversely to their length by a first continuous conveyor and then by an in... | 07/01/1980 |
| 4126981 | Semi-automatic carton forming, filling, and sealing machine A semi-automatic carton forming, filling, and sealing machine utilizing a single rotationally movable mandrel for assisting the machine operator in the erection of a carton blank and for closing and sealing the bottom portion of the carton and also includ... | 11/28/1978 |
| 4080237 | Method and apparatus for sticking down fillet seam on a package A method for flat pressing and sticking down of a fillet seam of a roof-shaped folding closure of a package whose outside surface is provided with a thermoplastic material, comprising transporting the package in a direction transverse to the fillet seam, ... | 03/21/1978 |
