William F. Semple, a dentist, was awarded the first US Patent on chewing gum in 1869. His recipe contained powdered chalk.
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| Number | Title | Issue Date |
| 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 |
| 7303523 | Paper-folding apparatus A paper-folding apparatus includes a hopper for holding one or more sheets of paper or other similar foldable media, a discharge feed and stripper assembly, a shuttle associated with the hopper operable to transfer a sheet of paper from the hopper to the discharge f... | 12/04/2007 |
| 7036413 | Device for the transverse cutting of at least one web in a folding apparatus A printed, endless web is transversely cut by the cooperation of a cutting blade cylinder and a sheet gripping cylinder that also carries cutting blocks. If the web that is to be cut, is noted as having a defect, for example in the printing applied to it, the cuttin... | 05/02/2006 |
| 6945923 | Method for producing a newspaper A method of producing a newspaper having at least one section which is formed from at least one centrally folded printed sheet. The following steps are carried out according to the invention: a) individual sequentially printed sheets, which are intended for forming ... | 09/20/2005 |
| 6932755 | Folding machine with collect run mode The folding machine with a collect run mode of this invention comprises folding cylinder fixed cam means for carrying out a straight run at pins, folding cylinder rotating cam means provided with covering section so as to enable rotation of the covering sections for... | 08/23/2005 |
| 6926270 | Rotary blade device for printed products A rotary blade device for interacting with printed materials has a rotating arm, a first pulley rotatably supported on the rotating arm, a first blade fixed to the first pulley, a fixed pulley, and a first belt connecting the first pulley to the fixed pulley so that... | 08/09/2005 |
| 6789793 | Rotary signature transport device A signature transport device has a conveyor for moving a plurality of signatures in a first direction, and a rotary blade device having a first blade having an edge for lifting a first signature of the plurality of signatures from the conveyor, the edge being parall... | 09/14/2004 |
| 6688224 | Rotary-blade folding unit A rotary-blade folding unit includes at least one folding blade, a pair of folding rollers and a drive for producing a hypocycloid movement of the folding blade about a rotational axis of the folding blade and a main rotational axis for folding a signatur... | 02/10/2004 |
| 6572097 | Apparatus for slowing down and guiding a signature and method for doing the same A signature slow-down section in a folder of a printing press for slowing down signatures is provided. The folder is driven by a folder drive mechanism and the signature slow-down section includes a frame, a slow-down mechanism supported by the frame, and... | 06/03/2003 |
| 6394445 | Apparatus for slowing down and guiding a signature and method for doing the same An apparatus for decelerating signatures moving in tandem fashion through sheet processing equipment is provided. A pair of counter-rotating cams lying in general face-to-face relation along a travel path of the signatures reach into the travel path of th... | 05/28/2002 |
| 5964154 | Folding device A device for accurately setting a roller gap of a folding device of a rotary web-fed press uses a rotatable threaded spindle with contrarotating threads at both of its ends. A drivable differential screw gear mechanism is associated with each threaded spi... | 10/12/1999 |
| 5653429 | Cylinder folding apparatus A cylinder folding apparatus for a rotary printing press uses a collection and cutting cylinder in cooperation with a solid folding blade cylinder. A paper web train is cut into sections and is folded by transverse folding rollers. The point spur sets on ... | 08/05/1997 |
| 5096175 | Folding jaw adjustment system for a printing machine folding cylinder To move folding jaws (4, 5) in a scissor-like or pincer-like movement symmetrical with respect to a center line (CL) and to permit adjustment of the gap or opening of the jaws, for acceptance of folded substrates of different thicknesses, the jaws are cou... | 03/17/1992 |
| 5088708 | Folding cylinder assembly having one piece cam The folding cylinder assembly has: rotatable folding cylinder having three pin lever shaft assemblies spaced substantially equally about the folding cylinder, each of the pin lever shaft assemblies having at least one pin and a cam follower positioned on ... | 02/18/1992 |
| 5080339 | Folding machine of a rotary press A folding machine of a rotary press is of the type that after superposed paper sheets have been cut out by means of a folding drum and a cutting drum, a folding blade is projected from the folding drum to insert the cut paper sheets between a pair of fold... | 01/14/1992 |
| 5078374 | Machine for cutting and folding a printed paper strip In the machine, a tabloid brochure produced from the strip is either stripped directly from a folding cylinder (30) or passed between the folding cylinder and a second fold cylinder at which a transverse, so-called second fold is made. The folding cylinde... | 01/07/1992 |
| 5072919 | Versatile folding apparatus to provide folded products of selectively different folding patterns A web (17) received, for example, from an 8-page or 16-page printing machine, is severed in a cutter blade cylinder (6) needle-tucking blade cylinder (7) combination and the severed sheets are provided with a cross fold in a first system (A) formed by the... | 12/17/1991 |
| 5065993 | Accumulator cylinder assembly for a folding machine of a printing press Accoumulator cylinder assembly for a folding machine of a printing press having tucking blades mounted on respective tucking-blade shafts and respectively associated with entrainer members mounted on entrainer shafts includes, for each entrainer shaft and... | 11/19/1991 |
| 5039076 | Folder In the case of a folder with at least two folding cylinders having cooperating folding members in the form of folding blades and folding jaws and intended for processing products of very different thickness, more reliable operation may be achieved if at l... | 08/13/1991 |
| 4974822 | Sheet product folding and folded product transport and handling apparatus, particularly printed products derived from a printing machine To provide a compact, readily adjustable system which provides two longitudinal folds on a printed web, a combination transfer and collection cylinder has product retention means (11, 35) thereon, such as grippers (11) or puncture needles (35); selectivel... | 12/04/1990 |
| 4957280 | Uniform speed pinless folding machine The known pinless folding machine in the prior art is improved in that the speed-up conveyor belts therein is removed, the drive at an increased speed of the folding drum, the clamping drum and the conveyor belts is abolished, but instead, drive at the sa... | 09/18/1990 |
| 4946151 | Combined folded substrate transfer and speed matching apparatus To match the speed of a folding flap cylinder (12) folding sheets cut from a web in half to a slower speed of a gripper chain delivery system (17, 18), a transfer cylinder (15) with grippers (16) is provided which operates at a circumferentially non-unifo... | 08/07/1990 |
| 4822328 | Folding apparatus and method Apparatus and method for folding webs which includes a pair of rolls each having tuckers and grippers arranged for tucker-gripper coaction and wherein the tucker is free floating within its mounting advantageously of the order of 1/16" movement in a circu... | 04/18/1989 |
| 4655739 | Gauze folding machine Apparatus for continuously manufacturing surgical sponges from a web of gauze is disclosed. The apparatus cuts the web into discrete pieces, and thereafter folds, irons, stacks and counts the pads as an integrated and automated operation at a high rate of... | 04/07/1987 |
| 4648586 | Gear folder A gear folder for paper web ribbons utilizes four cooperating cylinders. The paper web is delivered between a cutting cylinder and a pin-holing and grooved bar cylinder where one or more cutting knives sever the web into signatures. The signatures are tak... | 03/10/1987 |
| 4491310 | Adjustable folding apparatus For manufacture of booklets consisting of an inner portion and a cover having material different than the inner portion on a folding apparatus including a collecting cylinder, two successively-disposed band guidances associated with the collecting cylinde... | 01/01/1985 |
| 4445881 | Method and apparatus for improving newspaper folding and cutting mechanisms An improvement in the method and apparatus for folding newspaper in the "collect" mode. Inside and outside web sections are printed with the same number of lines and transferred to a folding cylinder which collects them in overlapping relation. Expanding ... | 05/01/1984 |
| 4437855 | Reduction of cutoff length for folding mechanisms A method and apparatus for reducing the cutoff length of a duel web folding and cutting assembly. The method comprises steps of reducing the support surface under the working parts of the folding cylinder along the length of a roller which contacts the we... | 03/20/1984 |
| 4279410 | Folder for a web-fed rotary printing press A method and apparatus for folding sheet stacks in a web-fed rotary printing press is disclosed. The sheet stacks are severed from groups of paper ribbons and are conveyed by suitable conveying cylinders to spaced folding tables. Each folding table is pro... | 07/21/1981 |
| 4190242 | Gear folder A gear folder for folding paper webs or sheets is provided with a cutting knife cylinder, a counter-cut groove cylinder, and a collecting and folding blade cylinder. The collecting cylinder has an odd number of fields for receipt of sheets and further inc... | 02/26/1980 |
| 4093203 | Device for slowing down printing specimen in the folding apparatus The invention is concerned with a device for slowing down a fed printing specimen as it is fed to the paddle wheel, and includes a pair of rollers, one of which is adjustable relative to the other to provide for an adjustable wedge portion therebetween wh... | 06/06/1978 |