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| Number | Title | Issue Date |
| 6994662 | Machine for punching blanks out of a web of corrugated cardboard and for forming folding lines in said blanks A machine for punching blanks (10) of corrugated cardboard out of a web or plates of corrugated cardboard and for forming folding lines (5) in said blanks. The machine has two cylinders (2, 3) rotating towards each other and of which at least on... | 02/07/2006 |
| 6913566 | Size adjustment of corrugated boards in a box making machine A rotary die cutter mechanism for cutting and/or creasing corrugated boards including a rotatable die cylinder with a cutting die, and a rotatable anvil against which the corrugated boards are cut as they pass between the die cylinder and the anvil. A computer is us... | 07/05/2005 |
| 6712747 | Method and apparatus for creasing planar material A method and apparatus for creasing planar material includes a pair of confronting drums between which the material is passed with at least one of the drums having at least one electrical filament thereon adapted to engage the planar material as it is passed between... | 03/30/2004 |
| 6682468 | Rotating scoring head with curvilinear nib A scoring head configured for rotating about an axis of rotation and impressing score lines into corrugated board. The scoring head includes an inner wheel portion extending axially along an axis of rotation, extending radially about the axis of rotation,... | 01/27/2004 |
| 6478725 | Slitting unit for carton blank production Slitting unit forming part of a machine for production of carton blanks, in particular blanks made of cardboard or corrugated cardboard. The unit (2) comprises working wheels (12, 24, 25, 28) which are opposite in pairs, one wheel in at least one pair (24... | 11/12/2002 |
| 6332488 | Apparatus for use in forming carton blanks Apparatus having laminating rolls for laminating continuous strips of different kinds of material together wherein all of the continuous strips enter the nip between the laminating rolls from one side of a plane tangent to each of the laminating rolls at ... | 12/25/2001 |
| 6221192 | Method for and apparatus for use in forming carton blanks Individual carton blanks formed from a lamination of a continuous strip of a relatively rigid material and a relatively flexible fluid impervious material and in some instances from spaced apart continuous strips of a relatively flexible material wherein ... | 04/24/2001 |
| 6179763 | Box making machines and method of retrofitting An existing box-making machine is retrofitted by first removing the pull rolls and impression cylinder and other associated parts and cross-ties. However, the heavy duty side frames and drums, including the print cylinder are left intact in the box-making... | 01/30/2001 |
| 6176819 | Device and method for embossing a foil The embossing process is effected between a pair of embossing rollers provided with toothings of the same kind which comprise rows of pyramidal teeth extending in the axial and the circumferential directions. Compared to the theoretical pyramid shape, the... | 01/23/2001 |
| 6171227 | Embossing unit An embossing unit having a frame supporting a pair of embossing rollers by means of respective supports, a first of which is integral with the frame, and a second of which is connected to the frame by a spherical connection and is pushed towards the other... | 01/09/2001 |
| 6162155 | Folding score and method and apparatus for forming the same A folding score and a method and apparatus for forming the folding score which includes a pair of longitudinally extending and laterally spaced side scores and a plurality of longitudinally spaced cross scores positioned therebetween. The apparatus for fo... | 12/19/2000 |
| 6159137 | Apparatus for folding sheet material having improved slitting, scoring/crushing, gathering, and folding sections or devices A apparatus for manufacturing an object of a folded sheet material has improved slitting, scoring/crushing, gathering, and folding sections or devices. Qualifying means, slitting means, and scoring/crushing means are adjustable with respect to a flat, pla... | 12/12/2000 |
| 6068583 | Consumer-activated clip lift feature for tissue cartons A facial tissue carton, which enables the user to elevate the clip of tissues within the carton as the tissues are removed from the carton, comprises a strip of material, such as a paper strip, which is fixed at one end of the carton and extends underneat... | 05/30/2000 |
| 5964686 | Method for forming slotted and creased box blanks The invention provides an improved method of forming one or more box blanks (20) from a generally-rectangular sheet of material, comprising the steps of: providing a frame (28) for supporting and guiding the sheet; placing a sheet of material on the frame... | 10/12/1999 |
| 5888183 | Method of working paperboard blanks A method of working paperboard blanks is disclosed. The method includes providing first and second pairs of parallel rotary shafts supporting first and second pairs of tool heads respectively. The first pair of tool heads is moved to a predetermined longi... | 03/30/1999 |
| 5840002 | Substantially rectangular-bottomed container, and apparatus and method for manufacturing same A container apparatus is deployable from a substantially flat, collapsed configuration to a substantially rectangular-bottomed configuration. The container apparatus includes a front panel, a back panel, a first gusseted side panel, and a second gusseted ... | 11/24/1998 |
| 5816994 | Box-blank printer/slotting apparatus A box blank forming apparatus includes at least one printing assembly, a slotting assembly, and a feeding and conveying mechanism for feeding blanks through the apparatus. The printing assembly includes a rotatable printing cylinder, and the slotting asse... | 10/06/1998 |
| 5704886 | Method and apparatus for scoring paperboard package sheets A container and corresponding blank from which such container is formed is particularly suitable for packaging liquid products and aseptically packaging liquid foods. The rectangular shaped blank may be formed of a laminated sheet material that preferably... | 01/06/1998 |
| 5552101 | Method for manufacturing plastic case A method for making plastic case blanks is disclosed. A molten plastic material is passed through a nip of a first, preforming pair of molding cylinders to form a semi-solidified sheet having a first thickness, The semi-solidified sheet is then molded to ... | 09/03/1996 |
| 5509885 | Creasing apparatus The present invention relates to a creasing apparatus with a male part with bars and a cooperating female part with grooves. Elastic material elements are inlaid in the grooves of the female part. The elements are pretensioned and locked in their grooves ... | 04/23/1996 |
| 5501758 | Method of making a collapsible plastic container A reusable and collapsible container having a collapsed configuration for storage and shipment and an assembled configuration for containing a product. The container is formed from a polymeric sheet and has substantially flat panels, hinges connecting adj... | 03/26/1996 |
| 5356028 | Folding box with inner bag and process for manufacturing same A pre-glued, flat folding box contains a section of tubular film (5) glued to the box to form an inner bag. The tubular film section has bending lines (8,9) in all four corners of the body of the folding box which extend to the edges of the section of tub... | 10/18/1994 |
| 5304056 | Apparatus for sealing edges of corrugated plastic material An apparatus for making a substantially rigid corrugated plastic material having at least one sealed edge sealed with a seal line pattern. The seal line pattern has a series of generally parallel grooves, wherein preferably groove depth increases from the... | 04/19/1994 |
| 5236408 | Method and apparatus for forming carton blanks with hemmed edges A paper box folding and sealing machine for forming a hemmed edge. A skiving station removes a portion of a carton blank material at the area to be hemmed. A hemming station folds the skived portion onto the blank, irons it and then opens the hem to lie i... | 08/17/1993 |
| 5183672 | Apparatus for forming at least one fold line pattern in a rigid plastic material Disclosed is an apparatus for making a substantially rigid plastic material having at least one fold line pattern with a series of generally parallel grooves, wherein preferably groove depth increases from the outside to the middle of the pattern. The app... | 02/02/1993 |
| 5181899 | Adjustable slotter wheel and sheet feeder retrofit apparatus for box blank making machines Box blank-forming apparatus (60) is provided which includes a feeder assembly (62) and a scoring/slotting assembly (64) each provided with adjustment structure (62a, 64a) to facilitate makeready adjustment of the apparatus (60) between production runs. Th... | 01/26/1993 |
| 5138923 | Rotary die cutter A rotatable cylinder to which is secured a unitary sleeve having cutting lands for cutting and creasing sheet material such as paper and cardboard. The sleeve is secured to the cylinder to prevent relative movement during the cutting process.... | 08/18/1992 |
| 4968292 | Driving force transmission device in corrugated cardboard box making machine A corrugated cardboard box making machine wherein the units such as feed unit, printing unit and slotting unit are separably connected in alignment with a driving shaft being provided on each one of the units, and on an external gear which is one element ... | 11/06/1990 |
| 4931031 | Method for improved container internal raw edge protection A method of forming a skived edge on the inside panel of a thermoplastic coated paperboard container, in part while the container is part of a web or sheet of paperboard material, and in part on individual blanks after being cut from the web or sheet. Mor... | 06/05/1990 |
| 4823659 | Holder for a panel cutting plate The invention relates to a cutting tool and a tool holder for cutting panels from blanks of sheet-like material. The cutting tool comprises a thin cutting plate on which is formed by etching a cutting edge having a contour corresponding to the outline of ... | 04/25/1989 |
| 4767393 | High speed platen-type die cutter A flat platen-type cutting and creasing press for sheet material includes a continuously moving closed loop conveyor that carries sheet gripping means in a feed direction along a generally horizontal feed path extending through a sheet loading station, a ... | 08/30/1988 |
| 4740163 | Channel opening feature for cartons A container is constructed from a paperboard sheet having a channel including a surface area of the paperboard sheet from which paperboard material has been removed and a tear strip at least partially bounded by the channel for opening the container by se... | 04/26/1988 |
| 4725261 | Cutting carton blanks and cutters therefor Apparatus and method for cutting an end portion of a carton blank, e.g. to form a stitch flap, employs a rotatably driven male cutting head cooperating with a rotatably driven female cutting head. The female cutting head has a peripheral cutting groove th... | 02/16/1988 |
| 4715847 | Process and apparatus for producing blanks for packs Blanks (10) for producing folding boxes, etc., are severed from an advancing sheet (11), conveyed continuously, at a constant speed by first drawing rollers specifically by partial severing cuts (cutting lines 33, 34) supplementing one another and made in... | 12/29/1987 |
| 4708708 | Method and apparatus for skiving and hemming A method and apparatus are disclosed for skiving and hemming one or more edges of a paperboard web or blank to improve the sealing qualities of a container made from the paperboard. The paperboard is skived twice generally parallel to its edge, once to de... | 11/24/1987 |
| 4678457 | Apparatus for constant pressure in line-web crush-scoring There is provided an apparatus for applying constant pressure to a knife blade for crush-scoring, wherein the knife blade is supported in a substantially frictionless manner and the constant pressure is supplied by a flexible diaphragm acting on a plunger... | 07/07/1987 |
| 4631045 | Apparatus for producing a rod-like smoking article with secondary air channels A rod-like smoking article with a rod-like mouthpiece core at the mouth end of a tobacco rod, the entire periphery of said mouthpiece core being enveloped by an adhered wrapping paper which is suitable for contact with the lips and which overlappingly fol... | 12/23/1986 |
| 4618342 | Machine for processing web material A machine including a feeding group or station, a first rotative cutting or creasing station, a second rotative cutting or creasing station and a rotative stripping station characterized by a single drive motor driving the various rotating tools of the st... | 10/21/1986 |
| 4608895 | Rotary die cutting A pair of rotary dies with lands having coacting cutting edges which cut blanks of material from a web passing between the rotating dies. To provide a clean cut and improved squareness of the cut ends, a side face of the land adjacent the cutting edge has... | 09/02/1986 |
| 4604083 | Machine for manufacturing folded boxes A box making machine comprises a feed station, a positioning station, a printing station including four printing units, a cutting station with a creasing unit, a slotting unit and a cutting unit, a folding-gluing station and a stacking and delivery statio... | 08/05/1986 |
