Quotables
"It is my heart-warmed and world-embracing Christmas hope and aspiration that all of us, the high, the low, the rich, the poor, the admired, the despised, the loved, the hated, the civilized, the savage (every man and brother of us all throughout the whole earth), may eventually be gathered together in a heaven of everlasting rest and peace and bliss, except the inventor of the telephone. "
Mark Twain ; Christmas greetings, 1890
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| Number | Title | Issue Date |
| 8307688 | Process for producing seamless stainless steel pipe A process for producing seamless pipes which comprises conducting a piercing rolling step, a elongating rolling step using a mandrel bar, and a sizing rolling step and subsequently conducting a product heat treatment. In the process, when the carbon-equivalent weigh... | 11/13/2012 |
| 8166792 | Method of making a seamless hot-finished steel pipe, and device for carrying out the method In a method of making a seamless hot-finished steel pipe a billet heated to a shaping temperature is pierced by a first shaping to a thick-walled hollow ingot which subsequently undergoes a radial forging process using an internal tool inserted in the hollow ingot a... | 05/01/2012 |
| 8161788 | Method for producing workpieces A method for producing workpieces wherein a generally cylindrical preform (8) is formed by at least one pressure roller (7) into a finished workpiece (8.2). The method includes slidingly placing a portion of the preform (8) on at least a ... | 04/24/2012 |
| 7591164 | Method of manufacturing a splined member for use in a driveshaft assembly A method of manufacturing a splined member avoids the generation of waste material and minimizes the amount of dimensional inaccuracies. A hollow cylindrical workpiece is initially provided from a material having a relatively high elongation characteristic. The mate... | 09/22/2009 |
| 7506528 | Head tube for bicycle frame A head tube for a bicycle frame that accommodates oversized frame tubing and the use of a standard sized head set. Preferably, the head tube includes a body defining a pair of lateral extensions that cooperate with the body to define an outer surface configured to r... | 03/24/2009 |
| 7475583 | Method for repairing metal pipe A method for repairing metal pipe with dents includes steps of a) holding the pipe with first and second ends in position; b) dragging the mandrel through the pipe; and c) pushing out the dents from inside to an original level of the surface of the pipe. The cross-s... | 01/13/2009 |
| 7412866 | Tubular articles with varying wall thickness and method of manufacturing same A method for manufacturing a one-piece axle tube housing with localized sections of increased wall thickness includes providing a tube blank, inserting a mandrel having a reduced diameter profile, passing the tube through an extrusion die to conform the tube to the ... | 08/19/2008 |
| 7389668 | Metal molding method and machine, and metal molded body The present invention provides a metal molding method, a metal molding machine and a metal molded body, wherein using a mold in which a molding space having a predetermined shape and a metal body lead-in space which is communicated with the molding space are formed,... | 06/24/2008 |
| 7370504 | Method of making variable thickness tubular member for vehicles A method of making a variable thickness tubular member for a vehicle includes the steps of providing a tubular member and positioning a mandrel inside of the tubular member. The method also includes the steps of hydroforming the tubular member into a variable thickn... | 05/13/2008 |
| 7363796 | Cold form nozzle for laser processing A method for cold-forming a nozzle for a laser includes placing a slug or tube of oxygen-free copper into a die. A mandrel is forced into the copper slug or tube. The resultant compressive force causes the copper to cold flow around the mandrel and the die to define... | 04/29/2008 |
| 7334312 | Method of forming axles with internally thickened wall sections A method for forming a variable wall thickness axle or tube with internally thickened wall sections comprises extruding a tubular metal blank within an elongated die. An elongated punch pushes the blank through the die. The punch has an end abutting and pushing the ... | 02/26/2008 |
| 7325435 | Method of manufacturing, apparatus and resulting irregular shaped cross section tubes A method and apparatus for making a tube having an inverted cross section and the resulting tube made thereby. ... | 02/05/2008 |
| 7223056 | Blind rivet nut A blind rivet nut has a head configured as an annular flange and a shank comprising a head end, a foot end and a cylindrical bore closed at the foot end of the shank and extending from the head end to the foot end in lengthwise direction, and a second bore segment n... | 05/29/2007 |
| 7197906 | Cold rolling process for metal tubes In the cold rolling process by pilger rolling that holds a mandrel between each of paired roll-dies, by optimizing the side relief rate SR and the pass schedule factors such as the Area Rd, ID Rd and the feed rate F of the workpiece material, and further by properly... | 04/03/2007 |
| 7198444 | Multi-grip blind rivet A multi-grip blind rivet 74 includes a rivet body 82, adapted to receive a portion of a mandrel 76. A plurality of indentations 88 are formed in an outer surface 86 of the rivet body 82 in each of three axially spaced transa... | 04/03/2007 |
| 7188501 | Cold rolling process for metal tubes In the cold rolling process by pilger rolling that holds a mandrel between each of paired roll-dies, by optimizing the side relief rate SR and the mandrel factors like the taper θ1 in the primary deformation zone of the mandrel and the taper θ2 in th... | 03/13/2007 |
| 7174761 | Method of manufacturing a seamless pipe When manufacturing a seamless pipe by carrying out elongation rolling and sizing on a mother tube for forming a seamless pipe, the occurrence of portions of thickness variation in the seamless pipe is suppressed by previously identifying the portions of wall thickne... | 02/13/2007 |
| 7159435 | Apparatus for straightening pipe A straightening apparatus for large diameter thick wall pipe has an expander head at one end of a beam inserted into the pipe and having a radially displaceable saddle positionable at any selected location along the beam. The saddle may be shifted along the beam by ... | 01/09/2007 |
| 7140226 | Methods for making a bicycle frame part having a disproportionally enlarged end section A bicycle frame part having a disproportionally enlarged end section and a method for making the same. The method may include disproportionally enlarging an end section of an aluminum alloy tube of a bicycle frame part includes the steps of (a) drawing the tube to f... | 11/28/2006 |
| 7062948 | Process of end-forming a tube having internal surface features A process by which the end of a tube having at least one internal surface feature is reduced and at least a portion of the surface feature eliminated from the tube end while achieving accurate control of the outer diameter of the tube end. The process preferably mak... | 06/20/2006 |
| 6990722 | Method and apparatus for connecting a fastener element to a wall A tubular fastener element is inserted into an opening in a wall until a flange at the trailing end of the fastener element is in contact with the wall. Then, an externally threaded end of a rod is inserted into a center opening in the fastener element from the flan... | 01/31/2006 |
| 6983632 | Method and apparatus for spinning to a constant length An apparatus and process is disclosed for spinning circumferential articles with constant length end surfaces. The article is first spun to define the circumferential surface, and a mandrel is then introduced, whereby the mandrel has a shoulder positionable adjacent... | 01/10/2006 |
| 6832437 | Apparatus for piston cooling and a method for producing a nozzle for such an apparatus An arrangement for cooling a piston in a combustion engine of piston and cylinder type with a nozzle installed in a crankcase in order to spray cooling oil towards the underside of the piston including devices for supplying oil to the nozzle. The outlet end of the n... | 12/21/2004 |
| 6817219 | Flospinning method and device for carrying out flospinning A flow-forming method and apparatus, in which a blank is placed on a rolling mandrel of a flow-forming machine, the blank is rotated relative to at least one flow-forming roll, the at least one flow-forming roll is infed radially and/or axially relative to the blank... | 11/16/2004 |
| 6817098 | Method for forming inner flanges in a bushing which is used to secure a hose therein A method of forming inner flanges in a bushing comprises steps of (a) extruding a bushing into an extruding die, (b) cutting an initial upward flange in the bushing, (c) shaping the initial upward flange into a final inner flange, and (d) repeating steps (a) to (c) ... | 11/16/2004 |
| 6813920 | Method for producing a bumper reinforcement A method for producing a bumper reinforcement having a hollow and a substantially rectangular cross sectional shape formed by the steps of providing a straight tubular member and forming a curved bumper reinforcement, continuously; wherein angle portions of the stra... | 11/09/2004 |
| 6799357 | Manufacture of metal tubes The manufacture of seamless tubes in which the process includes providing an assembly having a metal tube blank, and an elongate metal core of shape memory effect material which is surrounded and contacted by the tube blank with a minimal gap. The assembly is elonga... | 10/05/2004 |
| 6758077 | Manufacturing method of cylinder A method of manufacturing a cylinder, includes a step of inserting a cored bar 2 into piping material 1 having a reduced inner radius at one end and supporting the end of the cored bar with the reduced radius section of the piping material 1. Th... | 07/06/2004 |
| 6725699 | Method for circulary bending a sheet and multicylinder device for carrying out the method According to the present invention, a method and an apparatus for rounding a sheet or plate blank in a rounding apparatus having rounding rolls is provided. A predetermined second part region of the blank is rounded after a predetermined first part region has been r... | 04/27/2004 |
| 6530254 | Rolling machine A rolling machine for processing a metal container which has a longitudinal seam and is made from a flat metal plate to form a cylindrical body having adjacent or overlapping butt edges securely joined to one another by folding or welding, whereupon a dis... | 03/11/2003 |
| 6523385 | Process for preparing the end of a pipe for drawing over a mandrel A process for preparing the end of a pipe for drawing over a drawing mandrel, including the following steps: (a) inserting a preforming mandrel into an end of the pipe, the preforming mandrel having a first section having a diameter which is substantially... | 02/25/2003 |
| 6457343 | Tubing swaging machine A tubing swaging machine comprising four coplanar hydraulic cylinders which compress the end of a piece of tubing around a central mandrel. The central mandrel has indentations and is reciprocated by a fifth hydraulic cylinder perpendicular to the plane o... | 10/01/2002 |
| 6397653 | Folded metal bellows A method of making a folded metal bellows wherein an n-sided mandrel is positioned within a metal tube at an initial position. A convolution is formed by: axially moving and turning the mandrel with respect to and within the tube from the initial position... | 06/04/2002 |
| 6382008 | Process and appliance for checking the quality of formings executed by a machine for forming tube ends The invention concerns a process for checking the quality of formings executed by a machine for forming tube ends, according to which the forming machine is equipped with a force transducer (33) which is capable of measuring the reactive axial force exert... | 05/07/2002 |
| 6347539 | Bending method for pipe material In a method of bending a pipe material, in order to use an apparatus, such as a press, and prevent the pipe material from being made thin and cracks from being generated, one side of a cylindrical pipe material is firmly held by a first clamp and another ... | 02/19/2002 |
| 6329079 | Lined alloy tubing and process for manufacturing the same A tube for a cracker unit in which ethylene is produced withstands, without oxidizing or losing its strength, the elevated temperatures required to effect cracking, yet retards coking. The tube has a shell formed from stainless steel or high nickel alloy ... | 12/11/2001 |
| 6216511 | Apparatus and method for smoothing a welded seam of steel pipe A method and apparatus for smoothing a thick walled portion of a steel pipe produced by pressure-welding two opposite longitudinal edges of an open pipe with a squeeze roll after being subjected to induction heating. Outer and inner reduction rollers pres... | 04/17/2001 |
| 6155092 | Apparatus and method for forming a double ended upset pipe Apparatus for and method of extruding a metal pipe having a uniform inner diameter, and forward and rearward end sections which are thicker than the middle section of the pipe. A metal billet having a bore is inserted into an open ended cylindrical bore o... | 12/05/2000 |
| 6101858 | Forming method for forked artistic aluminum or copper alloy pipes A method for forming artistic forked pipes made of aluminum or copper alloy, including the steps of selecting of extruded material, milling for making an extruded pipe, enlarging the bore of a main pipe, and forming to form forked branch pipes. Wherein, a... | 08/15/2000 |
| 6082976 | Circulating pump A circulating pump having a pump housing made of non-metallic materials, such as plastic, composite or other moldable materials. The use of a non-metallic housing facilitates the use of features which are difficult or expensive to obtain with a metal cast... | 07/04/2000 |
