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 |
| 7350279 | Drum for a production unit for a non-woven material, method for production of a non-woven material and non-woven material obtained thus A drum for processing nonwovens has a perforated lateral surface and an interior divided into first and second compartments, respectively associated with first and second lateral surface portions of the drum. A partial vacuum in each of the compartments aspirates an... | 04/01/2008 |
| 7151905 | Roller for supporting an imaging belt in a printing apparatus A belt photoreceptor in a xerographic printer is entrained on a roller formed from a set of discs. Each disc defines an outer circumference and a flexible main portion. The outer circumferences of a set of discs effectively form a single outer surface of the roller.... | 12/19/2006 |
| 6953420 | Heated roller for a heating device for warming a film strip comprising thermoplastic plastic The heated roller of a heating device for warming a film strip comprising thermoplastic plastic is embodied to be manufactured less expensively, including its coating, even with a relatively large diameter. Moreover, it is lighter and can be brought to a more unifor... | 10/11/2005 |
| 6918708 | Discharging roller, method of manufacturing the same, and recording apparatus incorporating the same In order to manufacture a discharging roller which discharges a recording medium from a recording apparatus, there are a first die formed with a first recess extending in an axial direction of a shaft portion of the discharging roller, and a second die formed with a... | 07/19/2005 |
| 6910571 | Multi-section conveyor drive roller A multi-section conveyor roller is engageable with a conveyor belt moveably mounted on a conveyor frame assembly. The roller includes a rotatable mounting hub connected to the conveyor frame assembly, and a plurality of adjacently disposed roller segments fixed to t... | 06/28/2005 |
| 6843762 | Spreader roll A spreader roll that is useful to spread a slit web into a plurality of split webs for rewinding or at numerous other critical processes positions on web machines and related finishing and converting equipment. The spreader roll includes a bowable shaft and a plural... | 01/18/2005 |
| 6792859 | Rotating drum and image recording device A rotating drum in which, when the rotating drum is rotated at high speed, there is no offset between divisional drum parts, there is little imbalance, and a moment of inertia for rotation is small. A drum main body is divided into four drum parts whose cross-sectio... | 09/21/2004 |
| 6775910 | Segmented core A segmented core includes a plurality of integral core segments defined by a respective separation slot in the outer surface thereof. A sheet is wound around the core in a plurality of layers and is slit at the slot to simultaneously wind respective sheet ribbons on... | 08/17/2004 |
| 6729466 | Injection molded axis or roller body made by an injection molded thermoplastic materials A roller body having a shaft formed from a first thermoplastic material and defining at least one roller. The shaft is a single component injection-molded shaft. A casing at least partially encases the roller and is formed from a second thermoplastic material differ... | 05/04/2004 |
| 6716017 | Embossing roll with removable plates An embossing roll includes a roll body and a plurality of plates which are removably secured to the roll body. Each plate includes an outer surface which is provided with an embossing pattern. The plates can be secured to the roll body by vacuum and/or mechanical de... | 04/06/2004 |
| 6647879 | Bridge sleeve for printing apparatus A sleeve is provided with a clamp for removably clamping the sleeve on a mandrel. A rigid ring is mounted inside of the sleeve at each end of the sleeve. Each ring has a generally cylindrical inside surface which includes a curved contact portion which ex... | 11/18/2003 |
| 6565498 | Composite roll for manufacturing heat transfer tubes In a composite roll for manufacturing heat transfer tubes that has two or more grooving rolls having protrusions where at least one of cross sectional shapes, lead angles relative to a rotation direction and sizes is different, by coaxially combining the ... | 05/20/2003 |
| 6416629 | Arrangement for fastening press jacket to press roll end An arrangement for fastening a press jacket to a press roll end. In the arrangement, thinnings are formed at an edge of the press jacket and the press jacket is fastened to the roll end by means of holes formed at the edge of thicker jacket portions betwe... | 07/09/2002 |
| 6312367 | Anilox roller Anilox rollers of doctor units are provided with cells, arranged over the sleeve surface along spiral lines, in order to guarantee that the wear of the doctor blades, employed at said anilox rollers, is as uniform as possible. To prevent the ink from issu... | 11/06/2001 |
| 6283902 | Roller ring An envelope machine having a roller assembly with a groove in the roller and a ring assembly removably mounted in the groove. The ring assembly has a pair of half-rings segments removably mounted in the groove, each of which are adapted to mesh and interf... | 09/04/2001 |
| 6250622 | Cylinder assembly for a folding apparatus of a rotary printing press The present invention is related to a paper conducting cylinder in a folder which is assigned to a rotary printing press such as a rotary newspaper printing press. A plurality of cylinder's surface sections (19) is mounted about the circumference of said ... | 06/26/2001 |
| 6155557 | Sheet feeding device A member for feeding sheets is provided with a core and a cover mounted on the core. The cover is made of a conductive material or one whose coefficient of friction is lower than that of the sheets.... | 12/05/2000 |
| 6095958 | Composite roll and method of manufacture thereof A composite roll including one or more rings of cemented carbide metallurgically bonded to a cast iron casing. The composite roll may be used for hot or cold rolling. The cast iron has the following composition in addition to Fe, in weight %, 1.9-2.8% Si,... | 08/01/2000 |
| 6059095 | Conveying roller and a method for producing the same A conveying roller includes a shaft and a body member placed on a periphery of the shaft. The body member is provided with an inner layer placed on the periphery of the shaft and an outer layer placed on a periphery of the inner layer. The inner layer is ... | 05/09/2000 |
| 6044963 | Injection molded axis or roller body made by injection molded thermoplastic materials A roller body having a shaft formed from a first thermoplastic material and defining at least one roller. The shaft is a single component injection-molded shaft. A casing at least partially encases the roller and is formed from a second thermoplastic mate... | 04/04/2000 |
| 6004250 | System and method for releaseably attaching outer segments to a drum useful in the manufacture of vehicle tires System for releasably attaching a shell segment to a core section of a drum useful in the manufacture of vehicle tires. The system includes an outwardly opening longitudinal groove in the outer surface of the core section and a like groove in inner surfac... | 12/21/1999 |
| 5922129 | Multipart doctor bar In an apparatus for the application of a liquid or pasty substance onto a traveling material web, notably of paper or cardboard, a doctor bar serving the metering of the applied substance is composed of at least two bar segments strung together in the lon... | 07/13/1999 |
| 5848958 | Set of modular elements for the construction of a driving pulley for a belt conveyor A set of modular elements for the construction of a driving pulley (1) for belt conveyors or the like comprises a steel shaft (3), at least one disk element (2) of synthetic material and at least two end pieces (8), similarly of synthetic material, plus a... | 12/15/1998 |
| 5758242 | Interlocking magnetic developer roll assembly and method of manufacturing A developer roll for use in an electrophotographic printing machine of the type having an electrostatic latent image recorded on a photoconductive member in which a magnetic field attracts magnetic particles to form a magnetic brush on the periphery of a ... | 05/26/1998 |
| 5744238 | Dimensionally stable sheet handling shaft assembly and method of making same A shaft assembly having desirably stable dimensions for forming a precise sheet drive nip in a sheet handling machine such as a reproduction machine. The shaft assembly includes a shaft member having an outer surface, and a sheet drive-effecting member fo... | 04/28/1998 |
| 5722924 | Roller for conveying web in a resin coating environment A roller for conveying web in a resin coating environment is formed by a core having solid polymeric material layers arranged on opposite end portions of a pressure sensitive layer. Means of securing the polymeric material layer to the core is provided to... | 03/03/1998 |
| 5690300 | Interlocked core shaft A core or a core shaft is formed from a plurality of identical, extruded pieces. Each piece has complementary grooves on opposite sides, so that the pieces interlock. Each piece extends the length of the core or core shaft. The pieces are held together by... | 11/25/1997 |
| 5647831 | Metal part and process for its production A forming roll includes a base component having an angularly extending surface thereabout, a solder material applied to the surface and a wear ring on the solder and shaped to complement the angled surfaces of the base component. The Base component and th... | 07/15/1997 |
| 5570963 | Ink transfer roller for ribbon cartridges An ink transfer roller for transferring ink from a re-inking roller to an endless ribbon in ink ribbon cartridges for, for instance, impact printers being contoured on the outer surface. The roller is a cylinder having a central ridge raised in the middle... | 11/05/1996 |
| 5560085 | Needle for a needle bar or rod for textile combing machines, and a needle bar with such needles, as well as a method for attaching or replacing an outfit of such needles In a needle for a needle bar or rod, the needle comprising a fastening area at its foot and above this an actively combing tip area, the needle being a stamped element and the fastening area having a recess closed or open outwards for the needle to be sli... | 10/01/1996 |
| 5481895 | Second intermediate idler roll for use in a 20-high cluster mill Improved B and C backing bearing assemblies and second intermediate idler rolls, characterized by greatly reduced transverse rigidity, for use in 20-high cluster mills having a 1-2-3-4 roll arrangement. On each of the B and C backing assemblies, spacers a... | 01/09/1996 |
| 5421259 | Guide roller for printing press A guide roller for a printing press is designed to prevent foreign matters, such as ink or so forth from adhering on the peripheral surface thereof and to sweep up the peripheral surface by a traveling web. The guide roller comprises a roller body having ... | 06/06/1995 |
| 5411463 | Composite roll and method of making A fiber reinforced composite roll which utilizes a thin metal outer shell and in the interior thereof reinforced foam elements and resin and wherein each of said elements extends longitudinally the length of said shell.... | 05/02/1995 |
| 5408855 | Method for continuously measuring mechanical properties of a continuously produced sheet, in particular a sheet of steel The method comprises, at a given point of the production line: producing on the sheet a known localized deformation which is such that at least in a zone of a surface of the sheet the deformation is partially plastic; evaluating in the zone of the plastically ... | 04/25/1995 |
| 5401232 | Rolls and cylinders for use in paper machines A method for manufacturing a cylindrical mantle of rolls or cylinders of a paper machine out of a corrosion-proof metal or alloy material, particularly refined steel, in which oblong plate blanks are cut to a length equal to the total length of the roll m... | 03/28/1995 |
| 5383834 | Roll stamper for forming a base for information recording medium A roll stamper used in a process of continuously forming a uniform sheet of a resin from which information recording medium bases are obtained. This roll stamper has a stamper member having in its surface a pattern corresponding to a pre-format pattern of... | 01/24/1995 |
| 5273512 | Mill feeder roll An improved mill feeder roll to be used in combination with another roll for froce-feeding a mill of the type generally employed for grinding a material such as sugar cane and the like while contributing in pre-extracting and draining juice therefrom incl... | 12/28/1993 |
| 5253816 | Material crushing roller construction The invention relates to a machine for compacting and/or crushing bulk material, in which two rollers which can be pressed together at high pressure each consist of a main roller body and a roller shell which is releasably connected to the main roller bod... | 10/19/1993 |
| 5240666 | Apparatus and method for producing plastic foils In the plastic foil-producing apparatus where a fluent plastic mass is cooled in a roll nip between a roller member and a counter roller to a defined predetermined solidification temperature, the roller member includes a non-rotatable support member and a... | 08/31/1993 |
| 5224252 | Split yarn roll A composite yarn engaging roll for textile machines which is adapted for mounting on the shaft of a machine and which comprises two semi-cylindrical members is disclosed. Each of these members has an outer portion with an outer semi-cylindrical surface co... | 07/06/1993 |
