Did You Know...
...that it was melting ice cream that inspired the invention of the outboard motor? It was a lovely August day and Ole Evinrude was rowing his boat to his favorite island picnic spot. As he rowed, he watched his ice cream melt and wished he had a faster way to get to the island. At that moment the idea for the outboard motor was born!
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| Number | Title | Issue Date |
| 7578155 | Wire-rolling stand and method of operating same A rolling system has a rolling mill a rod workpiece, a wire block comprised of at least two roll stands downstream of the rolling mill, and a calibrating block comprised of three roll stands spaced apart in the direction downstream of the wire block. The workpiece i... | 08/25/2009 |
| 7320249 | Magnetically attracted inspecting apparatus and method using a fluid bearing An apparatus and method for inspecting a structure are provided which include probes with sensing elements and are disposed proximate opposite surfaces of a structure, where only one of the probes need be driven. A tracking probe may be magnetically coupled to a dri... | 01/22/2008 |
| 7292807 | Assembly and method for reducing shaft deflection A shaft mounting and loading arrangement includes a shaft rotatably mounted within a frame of an imaging machine by a pair of spaced mounting bearings. A belt is entrained on the shaft between the bearings. The belt applies a belt load to the shaft along an axially ... | 11/06/2007 |
| 7228741 | Alignment compensator for magnetically attracted inspecting apparatus and method An apparatus and method aligning magnetically coupled inspection probes are provided. In this regard, a tracking probe may be magnetically coupled to a driven probe and move in coordination therewith. An alignment compensator for magnetically coupled inspection prob... | 06/12/2007 |
| 7076979 | Method and device for producing curved lengths of spring band steel In a method and a device for producing curved lengths of spring band steel in order to produce precisely toleranced, dimensionally stable bending radii, the spring band steel (10) pass through a bending unit (20), which is comprised of three support po... | 07/18/2006 |
| 7004001 | Roll forming apparatus for forming sheet material into multiple shapes A roll forming apparatus includes at least one convertible roller assembly. The convertible roller assembly includes a support plate rotatably mounted on a shaft. The support plate includes at least one roller. The support plate may be toggled by an actuator from a ... | 02/28/2006 |
| 6519990 | Method and a device for controlling a rolling mill A method of controlling a rolling mill comprising at least two mill stands (1,2) arranged after each other, wherein a first stand (1) is arranged upstream of a second stand (2). Each of said stands comprises two spaced rolls (3,4,5,6). An elongated materi... | 02/18/2003 |
| 6494071 | Rolling mill facility with strip shape detection equipment, strip shape detection device, strip shape detection method and rolling method A rolling mill facility includes a single or plural rolling mills having a pair of top and bottom work rolls and that roll strip steel and strip shape detecting devices installed at least on one side of the inlet and outlet sides of the rolling mill. The ... | 12/17/2002 |
| 6202459 | Method of and rolling mill train for producing bar-shaped rolled products A method of rolling a bar-shaped stock to predetermined end height and end width measured transverse to the end height and including providing a rolling will train having a plurality of arranged one after another active rolling mill stands having adjustab... | 03/20/2001 |
| 6047578 | Multi-stand mandrel-free stretch reducing mill A roll pass of a roll set having three rolls for a multi-stand mandrel-free stretch reducing mill has a roll pass shape that deviates from the circular. A tube is passed in its longitudinal direction through the non-circular roll pass shape enabling modif... | 04/11/2000 |
| 5960657 | Method and apparatus for the control of rolling mills The present invention includes the following constituent elements, namely: firstly, calculation of the set-up rolling conditions having the target values of rolling load, strip width and strip crown and the set values of the actuators on the basis of externall... | 10/05/1999 |
| 5794473 | Method of regulating the cross-section of rolling stock A method of regulating the cross-section of rolling stock through a looper for the rolling stock, particularly between roll stands in section rolling mills. In accordance with the method, the horizontal forces in the rolling stock are varied by varying th... | 08/18/1998 |
| 5791182 | Method to control between rolling stands the drawing of the rolled stock and relative device Method and device to control between rolling stands the drawing of the rolled stock (14) in a segment (10) of a rolling line, the segment (10) possibly comprising two conventional rolling stands with or without an interposed drawing unit (19), a conventio... | 08/11/1998 |
| 5640866 | Roll for rolling mill and roll-shift type rolling mill A rolling mill includes a roll barrel having a straight region disposed at the middle thereof, sub-crown control regions disposed at both ends thereof, and main-crown control regions disposed between the straight region and the sub-crown control regions. ... | 06/24/1997 |
| 5540074 | Unitary assembly of peripheral devices for use with steckel mill A self-contained unitary assembly for peripheral devices normally located close to a Steckel mill is provided. The assembly has a frame open at both ends to receive and pass through the steel product being rolled. Above and below the pathway for the steel... | 07/30/1996 |
| 5357773 | Method of longitudinal rolling of seamless pipe A method of longitudinal rolling of seamless pipes in a continuous rolling procedure on an internal tool in a multiple-stand rolling train, wherein the rolls of successive rolling stands are mounted off set relative to each other. In accordance with the p... | 10/25/1994 |
| 5297408 | Method of an apparatus for controlling hydraulic rolling reduction in a rolling mill The method and apparatus are provided for controlling the gap between the rolls by comparing the initial gap setting and the actual gap value and providing the quantity of hydraulic fluid for the hydraulic rolling reduction cylinder in response to the out... | 03/29/1994 |
| 5247819 | Bore processing device A bore processing device for processing an inner surface of a bore of an object to be processed, includes: a taper member having a taper section; a roller arranged to contact and rotate around an outer surface of the taper member; a roller guide member ha... | 09/28/1993 |
| 5193066 | Equipment for adjusting the shape of a running band-like or plate-like metal material in the width direction A target shape adjusting equipment of a metal material furnished with an expert system by adaptive inference and learning inference processing for applying the engineering know-hows of skilled operators being engaged in the control of the shape in the wid... | 03/09/1993 |
| 5050415 | Method and apparatus for adjusting and changing the height of the plane of passage of the material to be rolled through rolls of rolling stands of a shape rolling mill A method for adjusting and changing the heights of the plane of passage of a material being rolled through rolls of a rolling stand of a shape rolling mill including a flange upsetting stand arranged between two universal stand, the height adjustment for ... | 09/24/1991 |
| 4928257 | Method and apparatus for monitoring the thickness profile of a strip A method of monitoring the thickness of a longitudinally moving strip to permit quick detection of continuous defects includes the steps of scanning the strip a predetermined number of times measuring the thickness at a plurality of sites across the strip... | 05/22/1990 |
| 4918958 | Device for bending conical wires The invention relates to a bending apparatus for wires having a cross section which varies according to their lengths, and comprising two cylindrical sections and an interleaved conical section. The wire is bent by means of three rollers. The bending roll... | 04/24/1990 |
| 4882922 | Rolling mill roll with rotating shell A roll with rotating shell comprising a fixed support beam (2), a tubular shell (1) rotatably mounted on the support beam (2) about an axis, a plurality of shoes for holding the shell distributed side by side along the length of the beam in an axial beari... | 11/28/1989 |
| 4730473 | Method and apparatus for rolling tubes A method and apparatus for rolling tubes into tube plates, especially heat exchangers, with a tube roller. Prior to the rolling process, the desired holding expansion value is set, and during the rolling process the holding expansion is measured. When the... | 03/15/1988 |
| 4658615 | Roller flanging machine for metal strips and the like A roller flanging apparatus for flanging a metal strip has a flanging head that comprises a pair of working idler rollers. The idler rollers have outer surfaces forming a flanging angle therebetween. The edge of the metal strip passes between the rollers ... | 04/21/1987 |
| 4633420 | Profile measurement apparatus using radiation A profile measurement apparatus using radiation is disclosed which has three radiation sources and three arcuated multi-channel radiation detectors corresponding to the radiation sources. A rolled steel sheet or strip is conveyed between the radiation sou... | 12/30/1986 |
| 4607511 | Tension prefinishing with sizing stands A method and apparatus for controlling the gauge of a product, such as for example a rod or bar, as the product is passing from an upstream roll stand to a finishing block. The product is rolled under tension between successive sizing stands arranged betw... | 08/26/1986 |
| 4581914 | Rolling mill A rolling mill having an upper set of rolls which has a work roll and a backup roll, and a lower set of rolls which has a work roll and a backup roll. Two parallel intermediate rolls are arranged between the work roll and the backup roll of either upper s... | 04/15/1986 |
| 4558577 | Roll-forming machine for making articles having cross-sectional configurations varying lengthwise The roll-forming machine includes a series of roll-forming stands for shaping a flat workpiece into a desired configuration, a device for monitoring the positioning of the workpiece at the entry side of the roll-forming machine, and a control unit for sen... | 12/17/1985 |
| 4494205 | Method of rolling metal In a method of rolling metal for producing a metal plate or a metal sheet having a desired range of thickness through a sequence of rolling passes, variations in the deformation resistance of the metal along the longitudinal direction of the metal are det... | 01/15/1985 |
| 4400958 | System for measuring the thickness of a strip emerging from a rolling mill An arrangement for measuring the thickness of a strip emerging from a rolling mill is provided with a thickness measuring device and at least one linear inductor. The linear inductor exerts a pulling force on the strip which flatens the strip in the vicin... | 08/30/1983 |
| 4398254 | Method for controlling strip thickness in strip mill In a rolling mill for rolling a strip, a method for equalizing the thickness of the strip over the entire length thereof, in which a deviation in the thickness of the strip on the entrance side of the rolling mill is measured by sampling for each predeter... | 08/09/1983 |
| 4346575 | Method of width control in hot strip mill A method for controlling the width of material in hot strip rolling through a train of alternately arranged vertical and horizontal roughing roll stands. The method restricts the width variation of the strips at the delivery side of the roughening rolls c... | 08/31/1982 |
| 4339934 | Strip shape control In a metal strip rolling mill having a strip shape measuring means connected to adjust the mill to control the strip shape, improved strip shape control performance is achieved by mounting a hold-down roll between the measuring means and the take-up reel.... | 07/20/1982 |
| 4294094 | Method for automatically controlling width of slab during hot rough-rolling thereof A method for automatically controlling the width of a slab during hot rough-rolling thereof, which comprises: arranging a pair of horizontal broadening rolls each having at least one annular projection in a hot roughing mill train comprising a plurality o... | 10/13/1981 |
| 4213319 | Thickness gauge A thickness gauge is shown for measurement with each stroke of a metal blanking and cupping press. The gauge is adapted to be carried with the press ram adjacent to the blanking die. The gauge includes a thickness feeler plunger and reference support for ... | 07/22/1980 |
| 4173134 | Apparatus and method for guiding a ring structure during the manufacture thereof An apparatus and method are provided for maintaining a ring at a predetermined location with respect to a pair of roll forming dies during a roll forming manufacturing process. The apparatus and method may include variable width means adapted to be variab... | 11/06/1979 |
| 4152912 | Metal rolling process and mill Metal rolling process and mill wherein the ratio in peripheral velocity between a pair of upper and lower work rolls is so controlled that a metal may be rolled to a desired shape or to close thickness tolerances.... | 05/08/1979 |
| 4000402 | Scanning gauge control for sheet processing apparatus A method and apparatus for controlling the machine direction variations of a property or properties of a sheet material being processed. A scanning gauge moved back and forth across the sheet material as it is moved in the machine direction, takes measure... | 12/28/1976 |
