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| Number | Title | Issue Date |
| 8029429 | Mechanism and method for bonding paper sheets on interfolding machine In a mechanism and method for bonding two paper sheets on an interfolding machine, pre-compressing mechanisms are provided on each of two folding rollers to produce compress-to-bond areas on overlapped portions of two thick or air-impermeable paper sheets transferre... | 10/04/2011 |
| 7918775 | Method and device for creating a hinge-like bendable zone in a sheet of paper, paperboard, cardboard or foil In a method for producing a hinge-like bend line (3a,b, 4a,b or 5a,b) in a sheet (1) of paper, paperboard, cardboard or foil, particularly a brochure cover, by rotatively driven tools (7.1, 7.2), the bending li... | 04/05/2011 |
| 7335152 | Web forming machine A web forming machine, and a method of forming a web is described and which includes a first rotatable assembly; a second rotatable assembly positioned in spaced relation relative to the first rotatable assembly, and wherein a gap is defined between the first rotata... | 02/26/2008 |
| 7137941 | Apparatus and method for forming a hemmed edge on carton blanks An apparatus and method for forming a hem on a 5th panel of a liquid carton blank comprising a skiving section, a stepped creaser section, a burner section, a vacuum hemmer section, and a sealer section. Carton blanks are fed into the skiver section and e... | 11/21/2006 |
| 7050935 | Method for assessing the reliability of technical systems A method for quantitative estimation of the reliability of a technical system for complex systems with a multiplicity of components. First, second and third failure rates are distinguished for the system components. An upper, lower and, if appropriate, mean value ar... | 05/23/2006 |
| 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 |
| 6620088 | Splitter module for folding system on printing machines Apparatus for splitting a stream of products coming from a folding group making any desired fold and feeding it to either of two further folding groups making a respective further fold includes a stripper assembly guiding the products away from a folding ... | 09/16/2003 |
| 6537189 | Device for stamping groove lines on corrugated board The invention relates to a device for stamping groove lines on corrugated board to better fold and comply with the sizes of boxes in production and processing machines having a combined grooving and transport, body (1) and a counter-body. The combined gro... | 03/25/2003 |
| 6505732 | Apparatus for transporting folding package material forms in the tobacco-processing industry An apparatus for transporting folding packaging material forms in the tobacco-processing industry, particularly carton forms for cigarette hard packs that have been scored or pre-punched along fold lines, from a feed station to a processing station. A rot... | 01/14/2003 |
| 6447325 | Connection structure for electric wires A common insulating plate 16 is prepared such that a plurality of paired upper and lower electric wire fitting grooves 16b and 16d are formed straight in the insulating plate 16 at a constant pitch P1 in the transverse direction, and such that a plurality... | 09/10/2002 |
| 6371902 | Method and apparatus for forming score lines on pre-cut envelope blanks An apparatus for forming a score line in a pre-cut blank, such as an envelope blank (3), includes a scoring blade roller (6) and a counter roller (7), wherein a portion of the circumferential surface of the scoring blade roller (6) is provided with a suct... | 04/16/2002 |
| 6179764 | Method and device for treating moving paper webs Moving paper webs are treated by having a cross-groove or crease pressed into them prior to being transversely cut and folded. The cross-groove or crease is produced by a radially vibrating, rail-like pressure tool that cooperates with a counter-pressure ... | 01/30/2001 |
| 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 |
| 6071222 | Lengthwise cutting and grooving machine for webs of corrugated board A lengthwise cutting and grooving machine for webs of corrugated board comprises a grooving station, a lengthwise cutting and grooving station and a lengthwise cutting station which are disposed one after the other in the conveying direction of a web of c... | 06/06/2000 |
| 5919122 | Method of manufacturing filters A method for the manufacture of filters in which a filter material in the rm of a continuous web is pre-embossed, perforated with a laser beam, and then pleated. The pleated filter element is fixed in a subsequent operation in an apparatus and the perfora... | 07/06/1999 |
| 5823935 | Fiber densification knife A cutting device for effecting a cut in a board-like fibrous material and densifying an area adjacent to the cut, includes a main body portion and a blade portion extending from the main body portion. The blade portion includes a cutting edge having first... | 10/20/1998 |
| 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 |
| 5690601 | Method and apparatus for slitting and scoring corrugated paperboard sheets for folding Corrugated paperboard box blanks are formed with corner fold lines defined by a colinear slit and score. The score deflects one slit edge of the liner out of the plane of the blank such that, when a subsequent lateral fold is made on the line, one slit ed... | 11/25/1997 |
| 5582571 | Apparatus and method for perforating and creasing paperboard The present invention provides an apparatus and method for perforating and creasing a paperboard sheet utilizing a rotary die process. The method and apparatus employ a die rule that comprises a base adapted to be attached to a die roll of a rotary die ma... | 12/10/1996 |
| 5549539 | Device for grooving continuously-fed flat workplace A device for grooving continuously-fed flat workpieces to form fold lines, including a slotted disc with a circumferential groove into which groove the circular edge of a grooving disc penetrates, which together with the slotted disc constitutes the groov... | 08/27/1996 |
| 5466211 | Method and apparatus for manufacturing articles employing folded honeycomb panels A method is disclosed of folding a honeycomb panel, the panel preferably comprising a honeycomb core having opposing face sheets. A slit is preferably cut through one face sheet and the underlying honeycomb core and a wedge is driven into the honeycomb pa... | 11/14/1995 |
| 5417640 | Method for preventing cohesion between carton blanks An improved method of preventing cohesion between plastic coated, paperboard, folding carton blanks after they come off a die cutter or cutting section of a press. The method comprises providing different scoring patterns for the carton blanks of alternat... | 05/23/1995 |
| 5378221 | Assembly and method for axially aligning slotting, trimming, scoring or like heads A device and method for axially aligning a rotary head assembly. The rotary head assembly includes a rotary head and an axial alignment assembly. The axial alignment assembly includes a guide plate means fixed to the rotary head. The guide plate means has... | 01/03/1995 |
| 5372570 | Method and apparatus for folding of sheet material There is disclosed a method and apparatus for folding of sheet material into symmetrical and nonsymmetrical shapes. The method and apparatus is shown as applied to making a pallet construction wherein a series of symmetrical stringer members made on the a... | 12/13/1994 |
| 5207631 | Method and apparatus for folding of sheet material There is disclosed a method and apparatus for folding of sheet material into symmetrical and nonsymmetrical shapes. The method and apparatus is shown as applied to making a pallet construction wherein a series of symmetrical stringer members made on the a... | 05/04/1993 |
| 5194064 | Creasing rule for rotary die apparatus The creasing rule includes elongate creasing members that extend outwardly from opposite sides of a central axis of the rule. The creasing members on each side of the rule are spaced laterally from each other and are in staggered, non-aligned relationship... | 03/16/1993 |
| 5188581 | Method for producing a narrow width cushioning paper product A converter mechanism and method for producing a relatively narrow width and small size cushioning dunnage product of pad-like form, from sheet-like stock material. A conversion kit comprising a funnel-like chute member and a coacting elongated generally ... | 02/23/1993 |
| 5158523 | Apparatus for enhanced emboss bonding of multi-ply tissue products An apparatus for emboss bonding two or more lightweight cellulosic webs to form a multi-ply article, the apparatus including a first cylindrical roll having a metal surface and being disposed for rotation about a cross machine rotation axis, an etched are... | 10/27/1992 |
| 5057068 | Device for sidewise shifting of a tool in a slotting station contained within a machine processing sheet-like workpieces The invention is directed to a device for sidewise shifting and positioning of a tool in a slotting station situated within a machine used for processing sheet-like workpieces. The station includes a creasing tool, a counter tool, which are mounted on a f... | 10/15/1991 |
| 5045045 | Skip-scorer, skip-perforator for use with printing press systems A web scoring and/or perforating apparatus for signature folding machines or the like including first and second rollers. Each roller has a scoring or perforating blade portion and a resilient roller portion. The rollers are mounted, preferably, on existi... | 09/03/1991 |
| 4750724 | Apparatus for stacking a zigzag folded web An apparatus for stacking a zigzag folded web into piles includes means for directing the web folds into a fold stacking station and includes endless fold directing belts having a sloped run which tangentially contacts only the outer free edges of the fol... | 06/14/1988 |
| 4422630 | Blade holder and method of using the same A crimp blade holder for attachment to a rotatable shaft for removably mounting a plurality of crimp blades includes a body in which first and second cylinder portions are joined together at an end face of each, such that the portions are disposed along a... | 12/27/1983 |
| 4416652 | Unit for scoring webs of paper in the lengthways direction For the purpose of helping in the making of a second lengthways fold in a web of paper in a folder having a folder blade for producing this fold, the paper is firstly scored at the desired fold position in the long direction by a sharp-edged wheel pushing... | 11/22/1983 |
| 3977310 | Method of scoring fracturable adhesive backing A process and apparatus for selectively compressing paper stock of the type which is used as a protective backing sheet for adhesive-coated systems. The process comprises use of a novel compression tool, the precise characteristics of which depend on the ... | 08/31/1976 |
