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| Number | Title | Issue Date |
| 7887473 | Packaging bag A method of manufacturing a packaging bag includes steps of: preparing a sheet of rectangular film material; forming a bag body from the sheet of the rectangular film material; preparing a shaping member; preparing and attaching a fastener; forming a vertical sealin... | 02/15/2011 |
| 7731647 | Device for placing a paper bag bottom A device for placing a paper bag bottom produces score lines on the ends of tubular segments which are used for producing bags, applies glue layers to the folded bottoms on the extremities of the tubular segments and/or to sheets for gluing them with the bottoms wit... | 06/08/2010 |
| 7331917 | Bag making machine Plastic bag making apparatus by which it is arranged that even if a bottom gusset member is not specially supplied, a bottom gusset can be incorporated into a plastic bag. As continuous trunk members (1,2) are fed, they are guided by a trunk guide mechanism (... | 02/19/2008 |
| 7308989 | Collapsible structures Collapsible structures are provided that have an enclosed interior space that can be used to hold and contain water or other matter. The interior space is defined by an enclosing wall and a base that are both waterproof to prevent leakage of the water or matter cont... | 12/18/2007 |
| 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 |
| 7172065 | Shrink wrap with sample holes Protective flexible packaging is designed to allow a consumer to determine the presence or absence of an odor in a packaged object. The object is preferably a device used for emitting a volatile active material such as a fragrance and the flexible packaging is prefe... | 02/06/2007 |
| 6991592 | Method of folding flat bottom bag A method for folding a polymeric flat bottom bag. The process includes, in general, opening the partially folded bottom of the unfinished bag, pulling the bag bottom taught in the transverse direction, and forming a fin where the two material edges join. A sharp cre... | 01/31/2006 |
| 6881180 | Apparatus for forming a bottom closure for a container A method and apparatus for forming a bottom closure of a container employing multiple assembly lines and including a universally foldable seal fin as a part of the bottom closure. A novel blank for the container is disclosed. ... | 04/19/2005 |
| 6869387 | Former for forming a rectangular bag tube A former allows rectangular tubes of material to be quickly formed for creating bags having rectangular cross sections. The former provides a transition between a round former and a rectangular former so that the material used to form the bag is initially wrapped in... | 03/22/2005 |
| 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 |
| 6800051 | Process for manufacturing side fold sacks made of plastic film A method for manufacturing side fold sacks from a flat lying segment of a web of plastic tubular film provided with side folds. According to the method, the bottom end of the segment is provided in such a manner with a staggered cut or a staggered detachment along a... | 10/05/2004 |
| 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 |
| 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 |
| 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 |
| 6695757 | Method of manufacturing 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 pr... | 02/24/2004 |
| 6599225 | Method of closing the bottom of a container A method and apparatus for forming a bottom closure of a container employing multiple assembly lines and including a universally foldable seal fin as a part of the bottom closure. A novel blank for the container is disclosed.... | 07/29/2003 |
| 6561963 | Plastic bag making apparatus An apparatus is arranged to successively make plastic bags each of which includes two layers of panel portion superposed to define aligned top edges, first and second side edges and bottom edges. The plastic bag further includes a first side gusset portio... | 05/13/2003 |
| 6471629 | Tooling for forming packaging from unitary blanks An apparatus for the formation of packaging from unitary blanks comprising a first tool having a convex end surface said convex end surface having edges that define a first center segment and a first plurality of triangular segments and a second tool havi... | 10/29/2002 |
| 6261215 | Rectangular thin film pack A pack comprises a horizontal base and vertical side walls formed from a blank. The side walls are joined to each other in planes perpendicular to the base and form stiffening ribs. The side walls are seamlessly joined to the base and the base is seamless... | 07/17/2001 |
| 6231237 | Container having rectangular base and its manufacturing A container is constructed from a pouch having a front sheet, a rear sheet and a bottom sheet. The bottom sheet of the pouch is folded along a midline thereof with flaps extending downward from the fold line. Each of the bottom edges of the flaps are weld... | 05/15/2001 |
| 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 |
| 6195965 | Container with dispensing spout and method for making same A method for manufacturing a plurality of containers from a tube of flexible packaging material includes transversely severing the tube into a plurality of individual containers, each having a main body with two opposed pointed lower corners, pinching eac... | 03/06/2001 |
| 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 |
| 6068585 | Gored packing bag with an opening and closing fastener and method for producing same A gored packing bag which comprises a front body 1, a rear body 2, gores 3,4 formed by gluing the front body and the rear body into a combined situation, and a pair of fasteners 5, 6 in arranged between the front or rear body and the gores, one of a base ... | 05/30/2000 |
| 6056681 | Apparatus for forming flat-bottomed plastic bags A method and apparatus for forming flat-bottomed plastic bags uses a flattened plastic tubing as a raw material. The tubing is unwound from a roll, and is passed around a gusset plate assembly, where guide members on opposite sides of the gusset plate ass... | 05/02/2000 |
| 6042526 | Method of and apparatus for making a bottom of a tubular section for formation of a bag or sack In a method and apparatus of making the bottom of a flat tubular section, a tubular section is transported by a conveyor at a continuous rate in an alignment transversely to a longitudinal direction of the conveyor, with a first suction unit partially ope... | 03/28/2000 |
| 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 |
| 5947884 | Method of producing a bag for carry out food or other articles A carry out bag having a base portion of which opposing two sides are facing each other, first side portions extending from the opposing two sides of the base portion until a middle area of the base portion respectively, and second side portions extending... | 09/07/1999 |
| 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 |
| 5913764 | Method of manufacturing flat-bottom bags with a glued-on bottom lining A method for manufacturing flat-bottom bags with a glued-in bottom lining includes the steps of applying a contact adhesive, which develops a desired adhesive force only when two surfaces, both of which are coated with the contact adhesive, are pressed ag... | 06/22/1999 |
| 5857952 | Flat trapezoidal container of brightly printed thermally sealable film A flat trapezoidal container provides a generally frustoconical single cavity for snugly sheathing a flower pot. The container is specifically dimensioned sheath a flower pot so as either (a) to leave therebeneath, a surplus of film in an transition zone ... | 01/12/1999 |
| 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 |
| 5795283 | Decorative bag making apparatus and method of use A decorative bag making apparatus 10 and method of use wherein the apparatus 10 comprises a sizing unit 11, a centerpiece unit 12, and a face unit 13 which cooperate with one another and a sheet of decorative material 100 to fabricate a finished decorativ... | 08/18/1998 |
| 5772332 | Container having a rectangular base and its manufacturing A container is constructed from a pouch having a front sheet, a rear sheet and a bottom sheet. The bottom sheet of the pouch is folded along a midline thereof with flaps extending downward from the fold line. Each of the bottom edges of the flaps are weld... | 06/30/1998 |
| 5762595 | Flat-sitting container bottom end closure and mechanism for forming same A flat-sitting bottom end closure for liquid filled, thermoplastic-coated paperboard containers, and mechanism for forming same. The mechanism includes an indexible rotor having a plurality of mandrels on which tubular container blanks are mounted, wherei... | 06/09/1998 |
| 5549538 | Process for manufacturing flap-style square-bottom bags A process for manufacturing a multi-ply square bottom bag having a front wall, a back wall, a pair of gusseted side walls, each of which join to said front and back walls. There is also formed a gusseted square bottom panel having spaced but substantially... | 08/27/1996 |
| 5135463 | Bottom pressure pad for gable carton forming apparatus A pressure pad is provided for bottom sealing of a gable carton. The pressure pad cooperates with a mandrel which is urged into an opened-top gable carton for sealing the carton bottom. The pressure pad is provided with a sealing bar matrix which is dispo... | 08/04/1992 |
| 5102383 | Method of manufacturing a sack or bag with a bottom being rectangular in the filled state and a handle portion joined thereto A method for manufacturing a sack or bag with a bottom being rectangular in the filled state and a handle portion joined thereto. An economical method for production by machine, according to the invention includes the following steps carried out sequently... | 04/07/1992 |
| 4685276 | Method for producing and filling bottom-fold bags and apparatus for execution of the method Bottom-fold bags, made of endless tubular material, which can be made of endless flat material and having a substantially rectangular standing-surface, together with a method and apparatus for producing and filling such bags are disclosed. Two lateral, su... | 08/11/1987 |
| 4577889 | Bag book A bag book (2) is provided by a plurality of bags (4) bound together at binding (8) along an edge (20) to provide a book. Each bag forms a page of the book and provides a pocket (14) in the interior of the bag. The bags are folded upwardly to define one o... | 03/25/1986 |
