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| Number | Title | Issue Date |
| 7308780 | Apparatus for sealing the overlapping edges of a tubular film An apparatus for sealing longitudinal overlapping edges of tubular thermoplastic film. The apparatus comprises a fixed block (31) for guiding and holding the overlapping edges and a sealing head (6) spaced from the fixed block for directing jets of hot... | 12/18/2007 |
| 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 |
| 6973951 | Obstruction avoidance continuous seam welding system An apparatus for seaming roofing membranes to one another, wherein one of the membranes is secured to an underlying support structure by at least one protruding fastener is provided. The apparatus includes a wheeled carriage having an upwardly extending push/pull ba... | 12/13/2005 |
| 6871475 | Apparatus for sealing a flattened tube of heat-sealable filter paper to make filter bags for infusion products In a machine for making filter bags for infusion products, a flattened tube (34) is used which is made from a web (17) of filter paper that: is heat-sealable by thermal reactivation of a layer of glue; is fed continuously in the horizontal position; ha... | 03/29/2005 |
| 6705062 | Machine for filling and sealing containers A packaging machine for filling and sealing receptacles, the machine having a plurality of stations at which packaging operations are performed by packaging devices (21-29), the stations having at least a filling station (21) and a sealing station (... | 03/16/2004 |
| 6655110 | Apparatus to aid in forming a package A machine 10 to aid in forming at least one flange 11 on tubular bag material 12. The machine 10 includes at least one assembly 28 provided with a longitudinally extending slot 22 through which a fold 13 passes to be heated by hot air delivered to the slo... | 12/02/2003 |
| 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 |
| 6301859 | Heat sealer for synthetic resin bag A heat sealer capable of providing a high sealing strength by appropriating a distribution of temperature at two sheet contact faces (19a, 19b) includes a block (31) made of a metallic material having a high rigidity and operable to heat the resinous shee... | 10/16/2001 |
| 6192660 | Cap applying apparatus An apparatus for supplying and applying cap bodies (51) to a packaging container includes a gas supplying device (11) which supplies a hydrogen-oxygen gas mixture obtained by electrolyzing water, a burner unit (22) that is connected to the gas supplying d... | 02/27/2001 |
| 6170238 | Sealing machine and method A sealing machine and process for sealing loaded bags of a novel web of side connected bags are disclosed. The web is fed through the sealer by a pair of grooved main transport belts. A holding belt is disposed in the groove of an associated main belt and... | 01/09/2001 |
| 6047528 | Method and apparatus for continuously forming sealed pouches while linked together A method and apparatus for packaging powder material includes feeding a continuous web of V-shaped heat sealable material to a first forming station to form longitudinally spaced upright seals to provide longitudinally spaced upwardly opening pouches. The... | 04/11/2000 |
| 6038839 | Longitudinal seam sealer for polyethylene material A form-fill-seal machine in which a heated longitudinal seam sealer continuously forms a longitudinal lap seam along lapped edges of the tube being formed. This longitudinal lap seam sealer can be used in machines having conventional cross sealing jaws as... | 03/21/2000 |
| 5816019 | Heat-sealing machine The invention relates to a hot air heat-sealing machine for heat-sealing at least two pieces of heat-sealable material, and comprising: a heat source designed to deliver hot air along a projection axis at a predetermined point relative to pieces to be heat-sea... | 10/06/1998 |
| 5562795 | High speed carton feeding/heat sealing system An apparatus for feeding/heat sealing cartons along the feed path of a cartoning line is provided. A conveyor moves the cartons past the heat sealing station where an elongated nozzle assembly forms a heated air stream directed against the carton flap and... | 10/08/1996 |
| 5473860 | Method and apparatus for manufacturing a container filled with a product Methods and apparatus for manufacturing containers filled with product are disclosed. The method includes partially introducing an end piece into the open end of a filled tubular container, softening the end of the container and a corresponding portion of... | 12/12/1995 |
| 5323589 | Method end and apparatus for producing a product-filled container A method for manufacturing a container filled with a product is disclosed. The container has a substantially tubular body portion of thin-walled plastic or laminated plastic material and a butt-weldable end-piece at each end of the body portion. A first e... | 06/28/1994 |
| 5184447 | Bag closing machine A bag closing machine has a pair of endless belts mounted in a housing and having adjacent runs extending along a passage in the housing. The belts are driven to cause bags to be conveyed successively between the runs along the passage. A heating station ... | 02/09/1993 |
| 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 |
| 5044145 | Film packaging Packaging apparatus, using an upper film (6) pre-heated before contact with a lower film (9) on which products (not shown) are placed, has at least the central region heated by radiant heaters (7) and the marginal regions heated by hot air nozzles (10) at... | 09/03/1991 |
| 4993209 | Process and means for seaming and cutting off a wrapping film In a process and apparatus for seaming and cutting off a wrapping film wrapped about a product, a wrapping film holder moves the wrapping film against the film already wrapped about the product. Then, hot air from within the film holder is blown against t... | 02/19/1991 |
| 4991377 | Method for the mutual joining of the cap and the body of a capsule used to enclose medicines and apparatus which carries out this method By means of the method proposed the joining of a cap and a body of a capsule used to enclose medicines, with the open end of the body already inserted in the cap, is achieved by directing a flow of hot compressed fluid, progressively on a circular portion... | 02/12/1991 |
| 4971119 | Arrangement for closing valves of valve bags which are filled by filling machine An arrangement for closing valves of valve bags filled by a filling machine comprises at least one conveyor arranged to transport valve bags in flatly lying position and a unit for closing the valves of the valve bags and associated with the conveyor. At ... | 11/20/1990 |
| 4957581 | Method and apparatus for centering tubes To prevent an end of a filled container, upon heating by a hot air for subsequent welding of edges thereof, from coming into contact and sticking to a retainer, a centering gas such as, for example, air is supplied from an external source to the container... | 09/18/1990 |
| 4945712 | Apparatus for heat sealing thermoplastic sheeting An improvement in film sealing apparatus, such as L-sealers, having an endless package discharge conveyor provides an arrangement for momentary conveyor reversal at the beginning of each sealing cycle to relieve film tension for maximization of seal stren... | 08/07/1990 |
| 4929299 | Sealing device with multiple differential action for machines producing dual-use filter sachets for infusion products A sealing device with multiple differential action is provided for machines producing dual-use filter sachets for infusion products. In such machines a continuously moving strip of thermally weldable filter paper, fed with equidistantly spaced fractional ... | 05/29/1990 |
| 4870802 | Machines and methods for doubling the capacity of packaging machines A shrink wrap packaging machine that shrink wraps twice as many packages per unit of time as conventional machines. The machine includes a pair of longitudinally spaced sealing and cutting elements. Both elements are preceded by a sensor. The first sealin... | 10/03/1989 |
| 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 |
| 4776147 | High capacity continuous package seam and tab folding and tacking apparatus An improvement in method and apparatus for continuously folding, heating, and tacking to the sides of the package panel the excess packaging material created by forming the package from a web of polyfoil material is disclosed. The method and apparatus is ... | 10/11/1988 |
| 4730435 | Sterile docking system for filling IV bags An apparatus for aseptically filling and sealing preformed bags includes a carousel table supporting a number of bags along its periphery, each bag having a nozzle initially sealed by a diaphragm. As the carousel table brings an individual bag under a ste... | 03/15/1988 |
| 4719741 | Cross seal cooling for vertical form fill seal apparatus A method and apparatus for improving transverse seal strength in a vertical form-fill-seal machine includes directing a cooling medium on a just formed transverse seal from an area beneath and on either side of the film, in an arcuate pattern to effect co... | 01/19/1988 |
| 4659415 | Cap heat-sealing apparatus for containers A cap heat-sealing apparatus for containers comprises a stationary pressing member (18), and movable pressing members (19) arranged around the stationary pressing member (18) and identical in number to the number of corners of a container opening fitting ... | 04/21/1987 |
| 4601694 | Thin wall reclosable bag material and method of making same Material for bags with flexible sidewalls having reclosable separable plastic profile bag mouth closures comprising flexible sheet material providing the bag body and sidewalls. The bag mouth closures comprise strips having separably interlockable complem... | 07/22/1986 |
| 4559092 | Sealing lids to tray-like containers In a method of sealing separate flat lids (16) on to a series of generally rectangular tray-like containers (11), particularly containers which are coated with a polyester such as polyethylene terephthalate for heat resistance, the containers are moved co... | 12/17/1985 |
| 4532753 | 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, a qua... | 08/06/1985 |
| 4512138 | Form, fill and seal machine with hot gas and thermal impulse sealing A form, fill and seal machine packages products in a thermoplastic material which is formed into a tube and sealed with a measured amount of the product within. The transverse seals in the tube are formed in a cyclic operation by a pair of cooperating sea... | 04/23/1985 |
| 4511426 | Hot gas sealing device A device for hot air welding, comprising a nozzle for activation of a sealing area around an opening at the inside of a hollow body. The nozzle has a slot device for directing a flow of air out through the opening for activating the sealing area when the ... | 04/16/1985 |
| 4509312 | Automatic carton packing machine A device for bending down and sealing triangular lugs that are formed on the top of a cardboard carton includes a conveyor for moving cartons in a running direction with the cartons having outstretched lugs. A plurality of clamp sets are connected to the ... | 04/09/1985 |
| 4489537 | Container for storing food and process and apparatus for making that container Disclosed is a container for storing product, a process and apparatus for making that container, a process and apparatus for drawing and blow forming plastic into a paperboard outer container and a process and apparatus for heat sealing a container. The c... | 12/25/1984 |
| 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 |
| 4384914 | Arrangement for welding bags An arrangement for welding multi-ply staggered bags has two guiding elements for guiding a multi-ply material so that the inner ply is staggered with itself and one part of the inner ply is staggered on another part thereof, a heating aggregate which supp... | 05/24/1983 |
