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| Number | Title | Issue Date |
| 7442157 | Structure of interfolding machine An interfolding machine for sheet material for making a stack of interfolded sheets includes at least one web of material to interfold that is cut into sheets of predetermined length and rolls for partially overlapping the sheets in order to form an overlapped porti... | 10/28/2008 |
| 7338425 | Variable length cutting device A variable length cutting device includes a cutting cylinder and a transfer cylinder. The transfer cylinder cooperates with the cutting cylinder for cutting a ribbon into signatures having a desired cutoff length. An adjustable diameter portion of the transfer cylin... | 03/04/2008 |
| 7318800 | Pleating apparatuses A pleating apparatus comprises a support surface, first and second pleating surfaces, and a driver for compressing a portion of a filter material between the first and second pleating surfaces to form a pleat, where at least one of the pleating surfaces is curved or... | 01/15/2008 |
| 7306554 | Method of forming a stack of interfolded sheets of web An interfolding apparatus including first and second interfolding rolls. The interfolding rolls issue a stream of web material to form a stack of interfolded web material. A first packer finger is movable with respect to the first interfolding roll and includes a re... | 12/11/2007 |
| 7264583 | Folding machine with transferring device of the folded products that penetrates the folding roller The folding machine comprises a pair of folding rollers (1, 3) rotating about axes essentially parallel to each other and defining a nip (5) through which a web material (N) to be folded passes. Disposed on each of the folding rollers are folding membe... | 09/04/2007 |
| 7097607 | Folding roller for paper converting machine An interfolding machine, having first and second folding counter rotating rollers, a substantially cylindrical body and a plurality of folding means for engaging at a contact line (15) for making a stack of folded and/or interfolded sheets in a folding area. ... | 08/29/2006 |
| 7083564 | Pleating methods A pleating method comprises disposing a filter material on a support surface and compressing a portion of the filter material between first and second pleating surfaces to form a pleat, where at least one of the pleating surfaces is curved or extends at an acute ang... | 08/01/2006 |
| 7072070 | Print controlling apparatus, print controlling method, computer program and recording medium In document output including mixture of different sizes, regarding a paper (A4 size) which is not Z-folded, header/footor information is printed on the paper as a designated manner, and, regarding a paper (A3 size) which is to be Z-folded, the header/footor informat... | 07/04/2006 |
| 6926655 | Method of packaging a web, and a package produced thereby The invention relates to a method and package for packaging a web. In the method of the invention, a web is slit into two or more narrower webs which are folded into superimposed layers. The method comprises the steps of directing the webs to a nip formed by two rot... | 08/09/2005 |
| 6659930 | Method and apparatus for folding an airbag A method and an apparatus for folding an airbag of a vehicle occupant restraining system, having a conveyor means, in which a first portion of the spread-out airbag is moved in order thus to push a second portion of the airbag against an abutment which ha... | 12/09/2003 |
| 6511408 | Paper folding mechanism A paper folding mechanism for folding continuous paper is provided. The folding mechanism includes a swing guide caused to pivot for guiding the paper, and first and second paper guides which are spaced from each other. The first paper guide is displaceab... | 01/28/2003 |
| 6436024 | Finisher A finisher includes a folding device which folds a sheet having an image formed surface, a reversing mechanism which reverses the sheet, and a conveying path for conveying the sheet bypassing the reversing mechanism. The finisher decides whether to pass t... | 08/20/2002 |
| 6306480 | Single-ply dispenser napkin The present invention is a new elongate single-ply paper napkin that achieves the necessary absorbency, strength, hand feel and softness for commercial use but which is less expensive than traditional napkin products. More particularly, the invention is a... | 10/23/2001 |
| 6228014 | Interfolding method of sheet material and machine for carrying out such method A machine (1) for interfolding sheet material (4a, 4b) starting from a web (3a, 3b) of paper and the like. A sequence of offset sheets (4a, 4b) is formed on folding rollers (7a, 7b) which are counter-rotating with respect to each other and have a pluralit... | 05/08/2001 |
| 6213927 | Interfolding method of sheet material not or not enough permeable to air and machine for carrying out such method A method and a machine for the production of interfolded stacks (17) formed by a plurality of sheets (4a,4b) comprising the steps of: transversally cutting or tearing sheets obtained from at least one web (3a,3b) and offset with respect to one another so ... | 04/10/2001 |
| 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 |
| 6090467 | Method and apparatus to manufacture a towel or tissue stack A tissue stack (10) including a plurality of discrete leaves (11-14), which each leaf including a pair of panels (15A) between which there is folded a pair of panels (15B) of the next adjacent leaf. There is also disclosed a machine and method for manufac... | 07/18/2000 |
| 5702341 | Folder for selectively producing once or twice cross-folded products In order to set the sheet guidance devices of a folder simply and quickly for the production of once or twice cross-folded products and to guide the products reliably and carefully, a tongue and a tongue bar are arranged in the runout gap of the folding b... | 12/30/1997 |
| 5425697 | Folding device for producing folded printed products from a web of printed material A folding device is provided which produces folded printed products from an incoming web of printed material. The folding device has a mechanism for automatically converting the folding device from a configuration that forms a single transverse fold to a ... | 06/20/1995 |
| 5310398 | Method and apparatus for folding and interfolding single-ply webs A method and an apparatus for folding and interfolding single-ply webs, in which single-ply webs are first-folded alternately on their respective lines, tail portions and head portions of the webs are overlapped alternately while reducing the feeding dist... | 05/10/1994 |
| 5147273 | Method and apparatus for producing stacks of interleaved material sheets A method and an apparatus produce a stack of overlapping, U-folded- or zig-zag-folded individual material sheets, in particular of absorbent paper, that mesh with one another. The stack is formed by two roller systems or roller sets, one for each of two m... | 09/15/1992 |
| 4765604 | Resilient creaser This invention relates to a paper interfolding machine of the type having first and second folding rolls mounted adjacent each other for rotation about parallel axes with porous tissue paper carried by each roll. A wedge-shaped protrusion on a first foldi... | 08/23/1988 |
| 4709606 | Plant for producing stacks of intermeshed blanks of paper, cellulose or the like, folded in a zig-zag manner A plant for the production of stacks of intermeshed blanks of paper, cellse or the like folded together in a zig-zag fashion, in which two supply rolls are associated with the plant. Material webs on the rolls correspond to a multiple of two, four, or si... | 12/01/1987 |
| 4700939 | Apparatus and process for separating and removing bundles of sheets Apparatus and processes for receiving sheets from a sheet stacker, separating them into bundles, and removing the bundles from the discharge area of the sheet stacking apparatus. The apparatus includes a frame, a rotatable receiving means mounted on the f... | 10/20/1987 |
| 4512561 | Folder unit with means for simultaneous phase shifting of front and rear spiral sets A folder unit according to the teachings of the preferred embodiment of the present invention is shown as including front and rear sets of spirals for folding a continuous web of paper. The spirals are driven by first and second shafts whose ends extend t... | 04/23/1985 |
| 4332583 | Folding apparatus for preparing a zigzag web of paper A folding apparatus for preparing a zigzag web of paper or paper pulp or sues or similar material for the production of paper handkerchiefs, paper serviettes or similar articles, has two oppositely rotating folding rolls each having a folding stick and a... | 06/01/1982 |
| 4270744 | Tuckers on mechanical folding rolls A method and means is provided for folding material such as paper hand toweling in either a single "V-fold" or multiple "Z-fold" configuration. In either case, the paper is forced by a tucker into a vise which consists of one stationary jaw and one movabl... | 06/02/1981 |
| 4205836 | Method and apparatus for zig-zag folding A method and apparatus for zig-zag folding in which a slotted receiving cage along with separator means are provided for exact count separation.... | 06/03/1980 |
| 4204669 | Method and apparatus for zig-zag folding A method and apparatus for zig-zag folding in which stack lean can be corrected by angularly shifting one gripper-tucker member relative to the other where the gripper anvil tip and the gripper element tip are each a constant distance from the tucker tip ... | 05/27/1980 |
| 4095780 | Retracting tucker blade and brush for cylinder folder The tucker blade of a high speed cylinder folder for zig-zag folding a flexible web is retracted into the cylinder immediately after inserting the web into its opposed gripper. As the tucker blade is retracted a brush is extended to push the web gently aw... | 06/20/1978 |
| 4082259 | Cylinder folder In a cylinder folder for zig-zag folding a flexible web, air moves through openings in the walls of both cylinders to equalize and relieve pressure in the region between the web and the cylinders where the web is separated from the cylinders and laid down... | 04/04/1978 |
| 3991994 | Zig-zag web folder apparatus A web folder apparatus for folding a running web at fixed intervals into zig-zag folds along fold lines which traverse the web. The apparatus has first and second folding cylinders adapted to rotate in opposite directions each of which has a non-rotatable... | 11/16/1976 |
| 3980291 | Machine for folding a continuous web assembly A continuous web folder includes a pair of driven cylinders arranged in adjacent parallel relation, and each cylinder has a pair of diametrically opposed movable jaw members disposed at right angles to a pair of diametrically opposed pivotal tucker blades... | 09/14/1976 |
