Did You Know...
...that while attempting to develop a super strong glue, 3M employee Spencer Silver accidentally developed a glue that was so weak it would barely hold two pieces of paper together? However, his colleague Art Fry needed the glue. Fry sang with his church choir and marked the pages of his hymnal with small scraps of paper that often fell out. He used Silver's glue to hold the papers in place. Today we call this invention Post-it Notes.
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| Number | Title | Issue Date |
| 7896796 | Methods of forming outserts and outserts formed thereby Outserts having printed information thereon are disclosed and are formed in accordance with a method in which a plurality of parallel folds are made in a sheet of paper in a first fold direction using a plurality of pairs of folding rollers and stop members to form ... | 03/01/2011 |
| 7762939 | Method of making fan-folded web of pressure-sensitive labels A label product in web form has alternating, oppositely indented creases in the liner of the product to produce a fan-folded stack having alternating, reversely folded plies. Each crease is substantially, if not entirely, perforation-free to maximize the strength of... | 07/27/2010 |
| 7517308 | Device for laying web material A device for laying continuously supplied web material in zigzag lengths has a pendulous arm positioned within a supply path of the web material and a holding-down device pushing down the web material at least in the area of the reversal points of the zigzag length.... | 04/14/2009 |
| 7465266 | Process and apparatus for producing wipes with a pleat-like zone along the leading edge portion The invention relates to a stack of wipes for use in a wipes dispenser. The stack includes a plurality of wipes, each wipe of the plurality of wipes formed from a portion of a common material. Each wipe includes a leading edge portion with a pleat-like zone located ... | 12/16/2008 |
| 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 |
| 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 |
| 7247131 | Folding machine for the graphics industry The invention relates to a folding machine for the graphics industry. The machine has a folder, at least one pair of blade shafts following the folder, and a separate roll frame that supports the pair of blade shafts. In order to be able to perform changeover operat... | 07/24/2007 |
| 7178801 | Accumulating and delivering apparatus for cardboard sheets An apparatus for accumulating and delivering folded cardboard sheets includes at least a pair of stacking bases moveable along a loop including a stacking position for stacking the cardboard sheets on the stacking bases and a delivering position for delivering the p... | 02/20/2007 |
| 7137554 | Card mailer system and method of preparing card packages for mailing An automate card package mailer for preparing card packages (60) composed of one or more cards(50) attached to matching carrier forms (33) for mailing has a carrier folding apparatus that is programmable to fold the carriers into different confi... | 11/21/2006 |
| 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 |
| 6935997 | Patterning technology for folded sheet structures The present invention supplies practical procedures, functions or techniques for folding tessellations. Several tessellation crease pattern techniques, and the three-dimensional folded configuration are given. Additionally several new forming processes, including ma... | 08/30/2005 |
| 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 |
| 6730012 | Process for manufacturing sheet stack Disclosed is a sheet stack manufacturing process. At first, a plurality of band sheets are fed. Each band sheet is folded at least once along a longitudinal direction thereof at a first folding step, to form folded bands. Then, each folded band is folded along the l... | 05/04/2004 |
| 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 |
| 6290635 | Device for folding a web of material An apparatus and method for producing a zig-zag folded filter element from a web of material (18), which is supplied through a feeding device to a stamping unit (10). To define the folding line, the stamping unit is fitted with an anvil roll (21) and a st... | 09/18/2001 |
| 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 |
| 5980444 | Apparatus and method for Z-folding sheets A pivotedly mounted pressure roller unit, associated with which is a folding roller pair, is arranged on the transport path of a sheet to be folded. The pressure roller unit has a first and a second roller group, having rollers offset alternatingly eccent... | 11/09/1999 |
| 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 |
| 5284467 | Sheet stopping system for a high speed folding machine for a continuous paper bond A sheet stopping system for a folding machine for the folding of a sheet in the form of a continuous band in a zig-zag like manner, in which the folding machine comprises a supporting plane (18) onto which means associated with the sheet in the form of th... | 02/08/1994 |
| 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 |
| 5000729 | Bag folding machine A bag folding machine for folding thin plastic bags, such as polyethylene bags, comprises two bag folding arrangements which substantially are made of a pair of folding drums provided respectively with longitudinal grooves, swing grippers and thrusting an... | 03/19/1991 |
| 4824426 | Method and apparatus for interfolding webs A method of zig-zag folding a pair of continuous webs or web segments (sheets) to provide stacks each having a specified number of segments wherein the segments are offset one-half segment length in one web from the other, the invention including reversel... | 04/25/1989 |
| 4778441 | Interfolding machinery improvement An improvement for use in machinery for interfolding porous cut sheets is disclosed having two adjacent and counter-rotating folding rolls each having projecting tuckers and recessed grippers arranged alternately on the folding rolls such that a tucker on... | 10/18/1988 |
| 4721295 | Apparatus and process for separating stacks of sheets into bundles Method and apparatus for automatically separating interfolded sheets from an interfolder into bundles having a predetermined count. Two separator plates are inserted into the stack of sheets at the proper sheet count, defining a bundle. An elevator and on... | 01/26/1988 |
| 4705496 | Arrangement including an inverter for feeding sheets of paper into an automatic zigzag folding machine An arrangement for automatically feeding sheets of paper of varying rectangular formats into an automatic zigzag folding machine allows sheets to be processed whose lower edge of the printed side is on the opposite side. Processing can take place in the s... | 11/10/1987 |
| 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 |
| 4691908 | Apparatus for interfolding Apparatus for interfolding webs, including two clusters of vacuum rolls, each in a generally hexagonal arrangement, each cluster having spaced apart web cutoff means and interfolding means, the vacuum rolls being arranged to develop four equal length path... | 09/08/1987 |
| 4604794 | Method of manufacturing battery plate groups A method of manufacturing battery plate groups by forming folding habits in a soft, continuous separator at regular intervals so that the folding directions may be alternated, and then alternately inserting positive plates and negative plates between the ... | 08/12/1986 |
| 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 |
| 4494741 | Tissue cutting and interfolding apparatus for Z webs Apparatus for perforating Z-folding, and further processing long tissue webs to form stacks of Z-folded facial tissues or the like for being packaged in consumer boxes. In one embodiment, two webs are perforated and superimposed at the nip of counterrotat... | 01/22/1985 |
| 4406650 | Apparatus for forming individual stacks from an endless web A support or carrier web, composed of sections interconnected along a separation or fracture line, is folded in a zig-zag configuration and stacked upon an elevationally displaceable support element. After the stack reaches a certain height pressure finge... | 09/27/1983 |
| 4392844 | Method and apparatus for correcting stack lean in a zig-zag folded web Method and apparatus for correcting stack lean in a zig-zag folded web wherein a transverse force is cyclically applied to a traveling web so as to vary the motion of the web slightly as it passes through a transverse perforator.... | 07/12/1983 |
| 4332581 | Adjustable paper folding apparatus A paper folding apparatus having an infinitely adjustable head designed for rotation from 0 degrees to 90 degrees in order to accommodate various required weights and lengths of paper. The apparatus is a part of a continuous in-line web-fed folding system... | 06/01/1982 |
| 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 |
| 4279411 | Method of lapping webs A method of lapping webs wherein two series of web sections are advanced, reversely folding a portion of each section about a transverse line adjacent the section leading edge to lap a portion of the preceding section adjacent the trailing edge, and retar... | 07/21/1981 |
| 4277058 | Folding apparatus and method for folding a continuous web An apparatus and method for folding one or more continuous single or multiple ply webs wherein the webs are guided generally downwardly by an oscillating arm that oscillates fore and aft about a horizontal transverse axis relative to the direction the web... | 07/07/1981 |
