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| Number | Title | Issue Date |
| 7175583 | Square bottomed plastic bag stack and method of making same A method for manufacturing square bottom plastic bags designed to stand upright when opened. The bags are constructed with open tops, side handle openings and attached headers or with t-shirt style handles. The bags are produced in registered bag stacks and include ... | 02/13/2007 |
| 6805660 | Process for manufacturing a flat-bottom bag and bag formed thereby A process for manufacturing a flat-bottom bag is disclosed. The process comprises the steps of providing a bag preform and a patch, the patch having a first adhesive coating thereon. The preform is positioned at an open configuration thereof, whereat its flaps exten... | 10/19/2004 |
| 6746388 | Method of designing a standup bag A standup bags made of a flexible material and methods of producing these standup bags. In particular, the standup bags have at least one substantially flat surface which is free of seams and folds. When the bag is filled with a flowable substance, the pressure exer... | 06/08/2004 |
| 6238326 | Method for the regulation of the temperature of the heated air in an apparatus for the hot-air pasting of plastic films To regulate the temperature of the heated air in an apparatus for the pasting of plastic films having a rack having a table over which the workpieces are conveyed continuously by a conveyor apparatus, having a conveyor roller pair disposed in a gap of the... | 05/29/2001 |
| 6220998 | Collapsible container and method of making and using same A method of manufacturing a container having a plurality of side panels, a floor panel having corner sections, and a side panel forming an enclosure having an open top. Each side panel includes a web having a perimeter, an edging attached to the perimeter... | 04/24/2001 |
| 6186932 | Sachets for bio-pharmaceutical fluid products A flexible sachet for transporting bio-pharmaceutical liquids with a volume of 50 liters or more, of the bellows type, assumes when filled a substantially parallelepiped shape. It comprises a bottom wall, a top wall and four lateral walls. It is made of a... | 02/13/2001 |
| 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 |
| 6095960 | Method and device for manufacturing bags from tubular paper sections of a single layer or multiple layers When manufacturing bags from tubular paper sections of a single layer or multiple layers, at least one end of each flat, tubular section is expanded into a bottom square. Lateral flaps formed in this way are folded such that they overlap and partially cov... | 08/01/2000 |
| 5989172 | Method and device for manufacturing bags from tubular paper sections of a single layer or multiple layers When manufacturing bags from tubular paper sections of a single layer or multiple layers, at least one end of each flat, tubular section is expanded into a bottom square. Lateral flaps formed in this way are folded such that they overlap and partially cov... | 11/23/1999 |
| 5947883 | Device for transferring slips of paper from a first rotationally-driven cylinder to a second rotationally-driven cylinder A device for transferring slips of paper from a first rotationally-driven cylinder to a second rotationally-driven cylinder. Each cylinder has a pincers-like gripper including a controlled, pivotal jaw that has the form of a blade cooperating with a rigid... | 09/07/1999 |
| 5845995 | Bag made of polymer and especially polyolefine fabric and process for producing it This invention relates to a sack made of fabric consisting of monoaxially drawn, desirably single-layer, tapes of polymer, particularly polyolefine, preferably polypropylene, which fabric may be coated on one or both sides with a thermoplastic material, p... | 12/08/1998 |
| 4266469 | Method for making sacks provided with cross-bottoms A web of bag-making material has folded rectangular sheets adhered at intervals to one face by one flap of each sheet before longitudinal margins of the web are folded over, stuck to the other flap of each sheet and joined where they overlap to define a t... | 05/12/1981 |
| 4264317 | Method of making valved sacks provided with cross-bottoms A web of bag-making material has longitudinally folded rectangular sheets adhered at intervals to one face by one flap before longitudinal margins of the web are folded over, stuck to the other flap of each sheet and joined where they overlap to define a ... | 04/28/1981 |
