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...When G.G. Hubbard learned of his future son-in-law's invention, he called it "only a toy." His daughter was engaged to a young man named Alexander Graham Bell.
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| Number | Title | Issue Date |
| 7341705 | Process for producing niobium suboxide A method is described for preparing a niobium suboxide represented by the formula, NbOx, in which 0.7 | 03/11/2008 |
| 7328598 | Device for cooling rolling stock within the cooling stretch of a rolling mill The invention relates to a device for cooling rolling stock within the cooling stretch of a rolling mil, especially a hat-strip mill, whereby water spray devices are stationarily mounted below the rolling stock between rollers (10) of a roller train (1... | 02/12/2008 |
| 7237417 | Roll preshaping A preshaping method for massive forming processes is proposed in which a fixed blank is deformed by at least one roll moving continuously forward along a predetermined contour. ... | 07/03/2007 |
| 7150776 | Metalothermic reduction of refractory metal oxides High purity refractory metals, valve metals, refractory metal oxides, valve metal oxides, or alloys thereof suitable for a variety of electrical, optical and mill product/fabricated parts usages are produced from their respective oxides by metalothermic reduction of... | 12/19/2006 |
| 6516987 | Horizontal strip accumulator A horizontal strip accumulator for metal strip includes a looper car which is moveable along a travel path at at least one swivel gate which is moveable, when the looper car is moved, by the looper car between a starting position and an end position. For ... | 02/11/2003 |
| 5913930 | Cooling bed for rails A cooling bed for rails (3) with an apparatus (12) which is intended for transferring the rails (3) onto the cooling bed (1) from an infeeding roller table (2) and is set up to bend the rails (3) counter to the bending which they undergo during cooling is... | 06/22/1999 |
| 5782125 | Assembly to clamp a rolling ring Assembly (12) to clamp a rolling ring (10) associated with a ring-bearing shaft (11) of a rolling mill stand, the clamping assembly (12) comprising a labyrinth ring (13), an alignment bush (18), a cap (15), a spacer (14), a closure flange (16) and a locki... | 07/21/1998 |
| 5622734 | Apparatus for producing a crimp-bonded fibrous cellulosic laminate Disclosed is a process for producing a crimp-bonded fibrous cellulosic laminate. The process includes the steps of: 1) providing at least two superposed plies of a fibrous cellulosic material; 2) passing the superposed plies through a crimp roll arrangeme... | 04/22/1997 |
| 5216911 | Automatic cold-pilger mill stop apparatus An automatic stop apparatus for use in combination with a cold-pilger mill to reduce the amount of tube scrap generated during a cold-pilgering operation includes a first control scheme for stopping the advancement of the pilger mill feed carriage and the... | 06/08/1993 |
| 4771621 | Speed control apparatus for equipment for continuous processing of steel plates Speed differential is detected between the entrance side and exit side of a looper, which is provided either on the feed side or on the delivery side of a central processing unit in continuous processing equipment and operates as a continuously supplying ... | 09/20/1988 |
| 4745790 | Rolling method and rolling apparatus for metal strips A method and an apparatus for rolling metal strips by a tandem cold rolling mill. The strip is periodically swung in its width directions at a location upstream of the tandem rolling mill, to bring the strip into contact with rolls of the tandem cold roll... | 05/24/1988 |
| 4680951 | Method for dressing hot rolled strip coils, especially coilbox coils A method and apparatus for dressing coils of hot rolled strips, especially coilbox coils. A coil is placed in a coil support frame in such a way that it is rotatably supported about its axis. The coil frame is capable of taking up traction forces which ac... | 07/21/1987 |
| 4643013 | Coil guide system for hot strip mills A first pair of generally cylindrical rollers are positioned on a run-out table. Each of the rollers has a first section including the first end of the rollers which is of a first diameter, a second section including the second end of the rollers of a sec... | 02/17/1987 |
| 4586356 | Process and apparatus for preventing dissymmetry in rolled beams Process and apparatus for preventing defects in the symmetry of rolled H-beams or I-beams, i.e., a faulty position of their webs (4) in relation to their flanges (5), by correcting such defects in situ. The differential between the torques applied to the ... | 05/06/1986 |
| 4577483 | System for the continuous operation of a cold pilger rolling mill A spur gear assembly for axially mounting and supporting an end of a feed screw for each carriage and is driven from the main drive, since these feed screws of each carriage are arranged coaxially along a line parallel to a passline of the pilger mill. Th... | 03/25/1986 |
| 4554813 | Live-roller feed bed for conveying individual lengths of rolled stock in close succession to cooling beds Device to separate without gaps the trailing end of a leading individual length of rolled stock and the leading end of a following length, which are parted from a rolled billet by cross-cutting shears, in the live-roller feed bed upstream of cooling beds,... | 11/26/1985 |
| 4546633 | Apparatus for conveying tubular or bar-shaped rolled stock An apparatus for conveying tubular or bar-shaped rolled stock is provided having a collecting device which collects pieces of tube or bars from a cooling bed in closely spaced pockets, a transverse conveying device having the same pocket spacing as the co... | 10/15/1985 |
| 4491006 | Method and apparatus for coiling strip between the roughing train and the finishing train A method of hot rolling strip on a hot strip mill includes coiling on a coiler at least a portion of the transfer bar by initiating coiling at the tail end of the transfer bar after it exits the roughing train and, thereafter, decoiling or paying off the ... | 01/01/1985 |
| 4441351 | Method of and apparatus for producing metallic tape A method of producing a continuous metallic tape from a metallic material wire by rolling. A wire having any desired cross-sectional shape is fed into the gap between a pair of rolls in a direction parallel to the axes of the rolls. The rolls are adapted ... | 04/10/1984 |
| 4409812 | Method of and apparatus for producing metallic tape A method of producing a continuous metallic tape from a metallic material wire by rolling. A wire having any desired cross-sectional shape is fed into the gap between a pair of rolls in a direction parallel to the axes of the rolls. The rolls are adapted ... | 10/18/1983 |
| 4346014 | Rolling oil compositions and method of inhibiting carbon smut on batch annealed steel Carbon smut on post-annealed cold rolled steel sheet and strip is inhibited by a process using a rolling oil containing from 0.5 to 5% by weight of specific organic nitro compounds in the cold rolling oil. The steel sheet and strip are substantially smut ... | 08/24/1982 |
| 4334421 | Discharge roll table with a top cover The discharge roll table comprises a plurality of rollers for receiving extruded bar or tube. A top cover extending along the table above the rollers is of substantially inverted V-shape cross section and is divided along the top edge into two half covers... | 06/15/1982 |
| 4318290 | Swaging machine for elongated bodies of metal, e.g. end pieces for wires in boat-rigs A swaging machine for tight-swaging of end pieces (42) on a wire (44), cable, metal bar or metal filament having two with rolling grooves provided rolls (34,36) being freely rotatably mounted on two shaft journals secured to a base support. The machine is... | 03/09/1982 |
| 4311032 | Method and apparatus for rolling seamless tubes with a restrained mandrel Rolling mills for rolling seamless tubes from axially pierced blanks or billets using a restrained mandrel have suffered from a high dead time in the oprating cycle due to the necessity of returning a mandrel-restraining cross-piece or other member from i... | 01/19/1982 |
| 4287744 | Taper rolling machine The invention relates to a taper rolling machine which is designed such that the stock may follow a constant pass line throughout the whole of the taper rolling operation. In particular the taper rolling apparatus comprises a pair of idler rolls (7 and 8)... | 09/08/1981 |
| 4214468 | Hot rolling pilger mill The feeder and the rolls are operated by separate cranks to avoid obstruction of the area in which the hollows are connected to the feeder. The two cranks are either separately driven or connected to a common drive; in either case, synchronism is maintain... | 07/29/1980 |
| 4184352 | Method for pilger rolling of tubes and mill for effecting same In the process of rolling a tubular billet with a mandrel is displaced in the rolling direction as it is simultaneously rotated about its longitudinal axis. Then a portion of the billet is advanced between the working rolls and is drawn over the mandrel d... | 01/22/1980 |
| 4152917 | Hot rolling pilger mill The pilger rolls are driven through gear segments which are reciprocated by a crank and linkage which also reciprocates the feed mechanism; that mechanism includes a carriage and a mandrel holder in a feed slide on the carriage, the mandrel holder may als... | 05/08/1979 |
| 4106318 | Method and apparatus for rolling metallic material In the rolling of metallic material by using a rolling mill having a working roll for each surface of the workpiece reduced and having the shafts fixed with respect to movement in the direction of travel of the workpiece, the workpiece is rolled at such a... | 08/15/1978 |
| 4100786 | Feed mechanism for pilger rolling mills A feeder is acted upon by opposing hydraulic drives and a spindle drive limits the advance. Hydraulic buffers are interposed either between the spindles and the feeder or between a carriage carrying the spindle drive and the machine bed. The buffer biasin... | 07/18/1978 |
| 4074556 | Apparatus for roll working A roll working apparatus for use in forming, pressing, punching, shearing, etc., comprising a pair of rolls on each surface of which a plurality of male or female impression portions having dissimilar form or configuration, a work-feeding means for select... | 02/21/1978 |
| 4044585 | Entry rollerway for a cooling bed for elongate rolled stock An entry rollerway for a cooling bed for elongate rolled stock in which all parts necessary for guiding and laterally ejecting the rods are carried by lantern-shaped cast members which also constitute the bearings for the rollerway rollers, so that the lo... | 08/30/1977 |
| 4037453 | Shellpusher for plug mill or the like The disclosure relates to a novel and improved arrangement of shell pusher for feeding tubular shells into a plug mill. The pusher comprises a ram carriage, which is movably positioned on an elongated carriage track on the upstream side of the plug mill. ... | 07/26/1977 |
| 4028924 | Apparatus for cross-rolling wire leads Apparatus is disclosed for forming foil leads by cross-rolling the round lead wire in successive passes through a roll press. In each pass, the lead wire is transported completely through the pinch area to form a foil having a lenticular cross section.... | 06/14/1977 |
| 4022041 | Method of rolling ingots into metal strips A major deformation machine having two working roller systems with parallel axes, for example a planetary mill, is used for rolling ingots into metal strip. An ingot is forced into this major deformation machine by means of a conveyor mechanism. As the tr... | 05/10/1977 |
| 4019361 | Manipulator for rolling mill Manipulator for a rolling mill and particularly for a rolling mill for ingots or billets of steel. The manipulator comprises a pusher for pressing the ingot or billet through the roll-nip of the rolls at the beginning of rolling, and grab means for manipu... | 04/26/1977 |
| 3948070 | Motion control for the feed mechanism in pilger rolling mills The feed mechanism for a pilger or Mannesmann rolling mill is driven by an electrical linear motor which is controlled on the basis of two pulse trains. One train is derived from the rolls, the other one from the reciprocating motor. The control is carrie... | 04/06/1976 |
