Famous Patents
The ice cream cone was invented at the St. Louis Worlds Fair by Ernest Hamwi in 1904. His waffle booth was next to an ice cream vendor who ran short of dishes. Hamwi rolled a waffle to hold ice cream and the cone was born.
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| Number | Title | Issue Date |
| 7284328 | Method for producing pulling rods for use in manufacturing sheet glass Pulling rolls (13) for glass ribbons (11) and methods for manufacturing such rolls are provided. The rolls include a shaft (17), a plurality of heat-resistant discs (15) mounted on the shaft in face-to-face contact, and a pair of fittings... | 10/23/2007 |
| 7272922 | Articulated chain A chain has chain links (110) having basically spherical geometry (116) and four flattened surfaces (118) equally distributed in the circumferential direction. A chamber (120) is formed in the chain links (110) in which a connectin... | 09/25/2007 |
| 7067027 | Method of making an electro-mechanical roll Method of making an electro-mechanical roll such as a bias transfer roll for use in an electrostatographic apparatus such as a printing or copying apparatus comprising a conductive core having a segmented layer of compressible material positioned in a tandem relatio... | 06/27/2006 |
| 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 |
| 6843761 | Paper feed roller and method of manufacture The present invention relates to paper feed rollers required to transfer papers in printers, facsimiles, copiers, etc. with accurately, and provides novel paper feed rollers which are lighter, less expensive and mass-producible with larger diameters as compared with... | 01/18/2005 |
| 6739051 | Method for manufacturing a pressure roller A pressure roller for a fixing device is manufactured by extruding silicone rubber on a shaft, foaming the extruded silicone rubber, subjecting the foamed silicone rubber to primary and secondary heat treatments, polishing the heat-treated silicone rubber, and then ... | 05/25/2004 |
| 6723032 | Segmented roll A segmented roll has a plurality of end-to-end mounted roll segments (10, 10′), each adapted to rotate on bearings supported on a separate support shaft (11). In both axial end surfaces of the support shafts (11) of the roll segments (10 | 04/20/2004 |
| 6533981 | Molding of fasteners and other features Molding apparatus and method for molding of features integral with a base, such as in the production of fastener elements for hook-and-loop type touch fasteners, e.g. by the Fischer process, employs a mold roll (1) formed of rings (9) that have coolant pa... | 03/18/2003 |
| 6435867 | Furnace roller and cast tire therefor There is provided a cast tire for use with a furnace roller. The cast tire has at least three of annular spaced pockets located around the central opening of the tire on each radial side. When the tires are installed on a furnace roller with arbor means, ... | 08/20/2002 |
| 6374494 | Compound roll for thin cold rolled steel strip and method of manufacturing same The present invention provides a composite roll for cold rolling capable of rolling a cold-rolled steel strip having little edge drop, a cold-rolled stainless steel strip or a bright finish steel strip having excellent surface brightness or a silicon stee... | 04/23/2002 |
| 6280371 | Elongated roller assembly and methods of making and replacing a roller A roller that can be assembled and inserted into a device when the finished length of the roller is longer than the available replacement space comprises at least two outer tubular members inserted on an internal connector so the outer tubular members abu... | 08/28/2001 |
| 6018870 | Sectional construction for axially long roll A large diameter and axially long cylindrical roll is fabricated from axially short cylindrical roll sections to provide a roll with circumferentially spaced, parallel and axially extending steam passages through the outer cylindrical wall of the roll. Th... | 02/01/2000 |
| 6006806 | Laminated corrugating roll A heated cylindrical roll for handling and treating a running web of material has a laminated construction in which a series of thin circular rings, each in turn formed from a plurality of flat ring segments, are joined face-to-face to form a hollow cylin... | 12/28/1999 |
| 5902685 | Roll, method of producing a roll as well as material bed roll mill A grinding roll for use in a material bed roll mill for the comminution of brittle material has a cylindrical body in the periphery of which are alternating grooves and lands. To the exterior of each land is secured a wear strip. The grooves of the confro... | 05/11/1999 |
| 5765256 | Nonwoven cleaning brush A brush made from a nonwoven, thermally bonded bicomponent fiber web is described. The nonwoven brush of the invention includes a plurality of compressed annular sections assembled about a central carrier with each section made of a mat of bicomponent fib... | 06/16/1998 |
| 5657540 | Method of and tool for dismounting and mounting of roller ring A method and a tool for dismounting and mounting a roller ring retained between two flanges of a partition supporting shaft by a pulling anchor with an axial pretensioning in a roller stand simplify and accelerate corresponding operations, since a single ... | 08/19/1997 |
| 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 |
| 5560881 | Apparatus for producing a fissured, acoustical ceiling panel and method for manufacturing said apparatus An apparatus for producing a fissured, acoustical ceiling panel wherein the pins used to fissure the panel are roll applied thereto. The pins are embedded in flexible, resilient polymeric plates, and a plurality of the plates are attached to a rotary drum... | 10/01/1996 |
| 5341568 | Insulated furnace roller and method of manufacture A method of manufacturing an insulated furnace roller includes providing the roller with an insulating refractory castable between the spaced apart tires of the roller and between the outermost tires and the furnace walls, the castable being secured to an... | 08/30/1994 |
| 5307563 | Method of making rolls with elastic covers A roll which has a metallic core and an elastomeric envelope is obtained by assembling the cover from a stack of discs each of which surrounds the core. In order to impart to the cover a desired elasticity, the discs contain a fibrous material and a plast... | 05/03/1994 |
| 5247740 | Method and apparatus for cutting a keyway in a mill roll A method for forming a longitudinally extending keyway portion in a mill roll having a central bore, in which the keyway portion may be either a keyway or a tab portion. A cutting head is provided, and includes a body and one or more cutting tools extendi... | 09/28/1993 |
| 5155910 | Process for manufacturing a doctor bar A doctor bar consists of two different circular disks that are clamped or fixed in some other way on a cylindrical carrier bar. Circular disks having a smaller diameter and made from elastic material alternate with circular disks that have a larger diamet... | 10/20/1992 |
| 5097596 | Supercalender roll and method of making same A filled supercalender roll is characterized by a plurality of resin impregnated discs that are carried side-by-side on a shaft and form a homogeneous roll body. To make the supercalender roll, a web of woven or nonwoven fibrous material is immersed in an... | 03/24/1992 |
| 5048182 | Methods for fabricating pattern rolls A pattern roll especially adapted to form, in an in-line manner, peripheral edges of an article having substantially constant geometry and the pattern roll's method of fabrication are described. A bounded surface region is defined on at least a portion of... | 09/17/1991 |
| 5038469 | Method of making a porous roll assembly The present invention provides a porous roll assembly which comprises a core shaft and a porous roll body fitted on the shaft. The roll body include a stack of axially compressed porous disks. According to the method of the invention, the stack of porous ... | 08/13/1991 |
| 5008993 | Method of making surface finishing rollers as well as a roller made thereby Surface finishing or polishing rollers are made by successively mounting disk-shaped surface finishing elements on a spindle rotating in operation. The surface finishing elements are formed of a slitted, preferably rectangular sheet having a continuous po... | 04/23/1991 |
| 4852230 | Method of fabricating rollers for use in roller conveyor systems A freerunning roller for use in a roller conveyor system comprises a cylindrical tube having saw cut ends providing a rough edge on each end which is relied upon to effect frictional interengagement with a relatively soft plastic cup dimensioned for force... | 08/01/1989 |
| 4760232 | Method of cladding a steel cylindrical core A method of cladding a steel roll, such as a felt roll with a non-corrosive shell, ensures that the shell is tightly fitted to the core and is free to expand and contract on the core to avoid distortion problems. The method comprises the steps of preparin... | 07/26/1988 |
| 4719706 | Apparatus for changing the moisture content of running webs of textile material or the like Apparatus for expelling and/or withdrawing moisture from, or for admitting moisture to, a running web of paper or textile material has rolls which define one or more nips for the running web and at least one of which has a stack of washer-like funnel-shap... | 01/19/1988 |
| 4669163 | Polyolefin fiber roll Acid- and caustic- resistant rolls are prepared by forming a nonwoven web of randomly laid entangled polyolefin fibers, stacking a multiplicity of segments of the web into a pile, compacting the pile under a compaction force equivalent to a room temperatu... | 06/02/1987 |
| 4583966 | Method of filling calender/embosser rolls using vibrations A method and mechanism for assembling paper machine filled rolls including a lower support with a cylinder and a piston for receiving a roll mandrel, vertically extending bolts for supporting a plate to press on relatively soft disks slid over the mandrel... | 04/22/1986 |
| 4534094 | Method of making an ink roller assembly with capillary ink supply An ink applying sleeve of resilient micro-porous ink retaining material is confined between a pair of circular flanges mounted on a connecting support hub. A cylindrical ink retaining unit is also mounted on the center hub and is confined between the flan... | 08/13/1985 |
| 4475275 | Method of producing a filled calender roll A method for producing a filled calender roll comprising a load carrying shaft portion and having thereon a cover portion made of paper or cloth or the like. The cover portion is made by subjecting a great number of annular fiber material sheets fitted on... | 10/09/1984 |
| 4397072 | Variable width embossing roll The invention is directed to a method of expanding the width of an embossing roll which is composed of two or more embossing sleeves. Spacer washers are positioned between the sleeves to provide an embossing roll of the desired width. The outer edge of th... | 08/09/1983 |
