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| Number | Title | Issue Date |
| 7404789 | 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... | 07/29/2008 |
| 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 |
| 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 |
| 7115086 | Queue-based bag forming system and method A method of forming a series of bags for bulky articles from rolled thermoplastic film and padding element includes arranging a linear, longitudinally traveling queue of layers of film and padding element according to a set of desired bag dimensions and characterist... | 10/03/2006 |
| 7021354 | Connector having air conducting structure and sensor system including the connector Air conducting connector with simplified wiring layout and water-proofing. Connector 2 has air conduction path 3, having a first opening 3a and a second opening 3b. A heater wire 5, air conducting wire and terminal | 04/04/2006 |
| 7011615 | Method for making a multicompartment thermoplastic bag A method of making a multicompartment reclosable thermoplastic bag having at least two compartments is disclosed. Each compartment has a top, a bottom, two side edges, and two opposing sidewalls joined at the side edges and the bottom. Each compartment has a closure... | 03/14/2006 |
| 6884208 | Method and apparatus for making reclosable bags having slider-actuated string zippers Methods and apparatus for eliminating unattached remnants or tails of bag making film adjacent a string zipper during manufacture of reclosable bags. Gathered film tails may interfere with slider insertion or slider operation or may cause the film to be pulled off o... | 04/26/2005 |
| 6796932 | Manufacturing method and apparatus of gusset bag The present invention provides a manufacturing method and apparatus of a gusset bag, capable of coping with manufacture of various types of gusset bag and permitting improvement of productivity. A pair of flat films 12a and 12b are separa... | 09/28/2004 |
| 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 |
| 6379292 | Continuous roll of plastic bags A continuous web of bags formed of a plurality of layers to be separated along a line of perforations that extends through all of the layers transverse of the web, in which at least one of the outermost layers is detached from the web at the separation li... | 04/30/2002 |
| 6228012 | Method of manufacturing interconnected plastic bags with tamper indication strip The invention comprises a method of manufacturing a series of bottom opened interconnecting bags having engageable reclosing elements. The method comprises the steps of blow forming a tube of parent bags forming material so that the tube incorporates recl... | 05/08/2001 |
| 6159136 | Easy to open handle bag and method of making the same A method of forming a plurality of easy to open handle bags is provided. The method includes providing a flattened tube of thermoplastic material oriented in a generally longitudinal direction. The flattened tube has a first longitudinal side edge, a seco... | 12/12/2000 |
| 6149567 | Method for manufacturing a paper-based container, devices for its implementation and containers obtained Manufacturing method to make simultaneously two paper containers having a front surface and a rear surface, opposed at their support base by three superimposed strips of paper, the intermediate strip being shaped like a sheath sandwiched between the other... | 11/21/2000 |
| 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 |
| 6090028 | Bag and method of making the same A bag suitable for use in microwave cooking is constructed of an elongated tube of flexible material closed at one end by means of a cold seal closure and having a heat seal adhesive deposit applied to the other end thereof for use in closing the bag afte... | 07/18/2000 |
| 6059707 | Easy to open handle bag and method of making the same A method of forming a plurality of easy to open handle bags including the steps of providing a flattened tube of thermoplastic material oriented in a generally longitudinal direction. The flattened tube has a first longitudinal side edge and a second long... | 05/09/2000 |
| 6050927 | On-demand skip perforating An on-demand exact registration form web perforating method is simple yet effective, and can operate at high speed and a long life. A form web is moved in a predetermined path past first and second rotatable continuous circumferential perforator wheels mo... | 04/18/2000 |
| 5993368 | Apparatus for manufacturing shipping pouches The present invention is an apparatus for manufacturing interconnected, easily separable, protective pouches, made from heat-sealable material, and adapted to enclose and protect objects. The pouches are made by feeding a continuous sheet of heat-sealable... | 11/30/1999 |
| 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 |
| 5502951 | Convertible pitch pouch machine Methods of converting pitch on a pouch machine include using a standard drive table with above table change parts including sealer wheel, filler wheel and knife. The sealer wheels and filler wheels are retained at respectively the same diameters to facili... | 04/02/1996 |
| 5421803 | Method of fabricating packs of self opening plastic bags Packs of T-shirt type plastic shopping bags are fabricated in such a manner that when the bags are mounted on conventional racks, as each bag is pulled off the rack, the front wall of the next ensuing bag is pulled out to open the bag for the depositing o... | 06/06/1995 |
| 5226858 | Method and apparatus for producing bags interconnected at their open ends A method and apparatus for producing bags interconnected at their open ends by forming transverse seals across a flattened longitudinal tube of film material and utilizing a cutting die to cut a transverse weakened line across the tube intermediate the tr... | 07/13/1993 |
| 5210993 | Method and apparatus to implement double opposed containers fed as a continuous band to filling stations and to be sealed by welding, as well as packages thus obtained A method and apparatus for producing and filling a plurality of pairs of containers from a flexible material. The lateral edges of a band of the flexible material are folded over, with a heat-sealable material forming an internal surface of the folded por... | 05/18/1993 |
| 5077957 | Web of interconnected bags A method for manufacturing a web of interconnected bags from a semitubular web of material, in which pockets are formed at a first side of the web and a second side of the web adjacent a first of two longitudinal outer edges of the web. At least one conti... | 01/07/1992 |
| 5064408 | Method and apparatus for producing a plurality of continuous bags A method and apparatus for producing continuous bags, each bag having an opening on one side from a length of continuous tubing is disclosed. The bags are produced along a direction of production and each bag produced has a sealed end and line of perforat... | 11/12/1991 |
| 5045041 | Method of manufacturing a reusable fabric-covered heat-exchange bag A method of producing a reusable, fabric-covered, heat exchange bag is provided which includes the steps of providing thermoplastic stock including waterproof film and a fabric-like material. The fabric-like material is folded along a fold line so as to c... | 09/03/1991 |
| 4945714 | Form, fill, seal and separate packaging machine for reclosable containers A form, fill, seal and separate packaging machine for reclosable containers is accomplished by a plurality of stations disposed along a path of travel of a thermoplastic web including a pair of mated, resealable closure strips present on the base web. The... | 08/07/1990 |
| 4945713 | Method and apparatus for packeting objects in a chain of bags Objects are packeted in bags (5) by means of a chain (1) of flat, flexible bags being conveyed, open at the top, through a filling station (12). Each bag in the chain has a rear main wall with a lip protruding from the opening, out past the edge of the fr... | 08/07/1990 |
| 4889523 | Tearable package of synthetic thermoplastic foil and device and method for producing the same A package includes an upper wall, a lower wall and two side folds provided with folds. A tearable flap is provided at a filling opening of the package. The flap is provided with two suspension openings spaced from each other. The packages are produced fro... | 12/26/1989 |
| 4883220 | Continuous partially preprinted web for heat sealed envelope construction A continuous partially preprinted, preglued form suitable for subsequent envelope construction comprises a single web partially preprinted on one side, having detachable marginal feed hole strips parallel with each longitudinal edge, and transverse margin... | 11/28/1989 |
| 4790803 | Method of making bottom gusset bag pad arrangement for liquid containers The method of making from tube stock the bag pad arrangement of parent application Ser. No. 068,062 that is concerned with bagging a pair of liquid containers, such as containers for carry out for milk shakes, carbonated beverages, and other types of drin... | 12/13/1988 |
| 4764030 | Part bottom seal of chain of gusseted bags and machine therefor A chain of bags is disclosed, with each having first and second panels and gusseted sides. The chain of bags is provided with a transverse bottom seal which in the central portion seals together the front and rear panels, and also seals together the inner... | 08/16/1988 |
| 4758214 | Twin wicketing bag machine This application discloses a method and apparatus for converting thermoplastic web material, flat or tubular, to produce bags. A conventional bag machine produces web segments provided with a group of centrally located holes and each segment is transferre... | 07/19/1988 |
| 4747815 | Collection of bags and method of preparing the same The present invention relates to a collection of ultra-thin bags and a collection of bags per se wherein said bags are made by providing two separated thermoplastic films; forming transversely across each separated film, lines of weakness extending from o... | 05/31/1988 |
| 4726169 | Process of manufacturing sacks from synthetic thermoplastic material A process of manufacturing sacks from synthetic thermoplastic material. A tubular structure is formed from webs of plastic film in that the side portions are infolded and their overlapping margins are adhesively joined by an adhesive seam, tubular section... | 02/23/1988 |
| 4693701 | Twin wicketing bag machine This application discloses a method and apparatus for converting thermoplastic web material, flat or tubular, to produce bags. A conventional bag machine produces web segments provided with a group of centrally located holes and each segment is transferre... | 09/15/1987 |
| 4642973 | Apparatus for fabricating dual compartment powder cartridge A dual compartment powder cartridge including a porous shell formed by fusing the lapped side edge portions of a blank of sheet material to a central portion thereof to form two compartments, a pointed closed first end on the cartridge, powder in the dual... | 02/17/1987 |
| 4637060 | Zipper-lock bag chain adapter for automatic loading and heat seal closing A chain of reclosable plastic bags with the bags formed of a thin plastic material having front and rear walls with reclosable pressure interlocking rib and groove elements on the confronting faces at the lower end of the bag which will eventually form th... | 01/13/1987 |
| 4630311 | Zipper-lock bag chain with tearable strip interconnection means A chain of laterally spaced interconnected bags with each bag having individual releasably interlocking rib and groove element which are laterally spaced on confronting inner faces at the top and with each being closed by a side seam at each side. A strip... | 12/16/1986 |
