| 序号 | 专利名 | 申请号 | 申请日 | 公开（公告）号 | 公开（公告）日 | 发明人 |
|---|---|---|---|---|---|---|
| 101 | METHOD OF PRODUCING METALLIC SHELL FOR SPARK PLUG | US12715885 | 2010-03-02 | US20100223973A1 | 2010-09-09 | Mitsunari KARIYA |
| A method of producing a metallic shell for a spark plug, including steps of preparing a first intermediate article by using a first die including a first large diameter cavity larger in diameter than a metal blank, a first small diameter cavity smaller in diameter than the metal blank, a curved tapered cavity between the first large diameter cavity and the first small diameter cavity, and an oil drain cavity between the first large diameter cavity and the tapered cavity and substantially same in diameter as the metal blank, wherein the metal blank is inserted in the first large diameter cavity and extruded to allow a configuration of the metal blank to conform to the first large diameter cavity, the oil drain cavity, the tapered cavity and the first small diameter cavity while being pressed by a punch, and preparing a second intermediate article by using a second die. | ||||||
| 102 | Spindle housing | US12357778 | 2009-01-22 | US20090208303A1 | 2009-08-20 | Ronald E. Brunner |
| A manufacturing method includes shearing or cutting an elongated rod blank from bar stock, forge-forming a through hole in the rod blank that extends longitudinally through opposing ends of the rod blank, forge-forming a radially-extending collar on the rod blank between the opposing ends, forming attachment holes in the radially-extending collar, and extruding bearing bores in each of the recesses to form a main spindle housing. Bearings are supported in forged recesses at each end, and a shaft is rotatably supported on the bearings. The spindle housing includes a rod portion and collar both forged from the rod blank for work-hardened strength of material, and includes attachment holes and the through hole formed by pressing out slugs of material, thus facilitating recycling of scrap. | ||||||
| 103 | Cold form nozzle for laser processing | US10999296 | 2004-11-29 | US07363796B2 | 2008-04-29 | William G. Fredrick, Jr. |
| 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 an inner shape and an outer dimension of the part. | ||||||
| 104 | Spanner with prevention of disengagement of fasteners | US10879923 | 2004-06-28 | US07340983B2 | 2008-03-11 | David Ling; Hsien-Chung Tuan-Mu |
| A spanner comprises a box end that has an inner periphery consisting of a number of wall faces to define a first polygonal receiving space. Each wall face includes a groove defined therein. The grooves of the wall faces together define a second polygonal receiving space. At least one of the grooves includes a closed first end and an open second end. | ||||||
| 105 | Method for forming tapered piston pins | US11502115 | 2006-08-11 | US20080047125A1 | 2008-02-28 | Robert Weiss; Stephen Bangs; James Engdahl; Paul Fecteau |
| A method is provided for cold forming center web or webless tapered piston pins in one forming sequence. The method eliminates secondary operations such as but not limited to machining, annealing, coating and secondary forming.The method includes the steps of cutting a metal rod into a substantially cylindrical slug piece, die extruding the slug piece to form a first cavity in the slug piece, optionally die extruding the slug piece to form a second cavity in the slug piece, piercing the slug piece to form the slug piece into a hollow cylindrical piece, die extruding the hollow cylindrical piece at either end to form a hollow cylindrical piece having a taper on an internal surface of the hollow cylindrical piece at either end. | ||||||
| 106 | Dual chamber housing | US11268442 | 2005-11-07 | US20070107201A1 | 2007-05-17 | Eric Erike |
| A method of forming a dual chamber seamless tube (64) includes providing a slug of steel (56) and cold working a first end (70) of the slug (56) to form a first chamber (114) and cold working a second end (72) of the slug (56) to form a second chamber (116). The first and second chambers (114 and 116) are axially aligned and separated by a wall portion (126) of the tube (64). | ||||||
| 107 | High pressure fuel injection tube and method of forming the same | US11217866 | 2005-09-01 | US07213576B2 | 2007-05-08 | Munekatsu Furugen |
| A high pressure fuel injection tube includes a connection head with a seat face in a spherical shape. A ring-like flange is spaced from the seat face in an axial direction. A conical portion is formed in the interval between the ring-like flange and the seat face. An undercut bent recess groove with a ring-like shape and a deep depth is formed on the conical portion. Thus, a shallow smooth ring-like recess groove is formed on an inner side of the connection head, and a compressive residual stress is present at an inner peripheral face of the ring-like groove. | ||||||
| 108 | Method of making steel couplers for joining concrete reinforcing bars | US10443412 | 2003-05-22 | US07032286B2 | 2006-04-25 | Tien Fa Wang |
| A section of heat treated solid steel rod receives a phosphate solution treatment and is inserted into a blind cavity of a first die member within a cold forging press. A punch is forced axially into the rod section in successive steps to cold-forge a first bore and a tubular first end portion of a coupler body. A second end portion of the coupler body is also cold-forged in successive steps after treatments and is either reduced in diameter to receive external threads or is formed with a second bore. Each of the first and second bores receives an end portion of a concrete reinforcing bar after which the tubular end portion of body is compressed or swaged inwardly to secure the body to the reinforcing bar. The second bore may also be machined with internal threads for receiving the external threads on another coupler. | ||||||
| 109 | High pressure fuel injection tube and method of forming the same | US11217866 | 2005-09-01 | US20060042710A1 | 2006-03-02 | Munekatsu Furugen |
| A high pressure fuel injection tube includes a connection head with a seat face in a spherical shape. A ring-like flange is spaced from the seat face in an axial direction. A conical portion is formed in the interval between the ring-like flange and the seat face. An undercut bent recess groove with a ring-like shape and a deep depth is formed on the conical portion. Thus, a shallow smooth ring-like recess groove is formed on an inner side of the connection head, and a compressive residual stress is present at an inner peripheral face of the ring-like groove. | ||||||
| 110 | Method of forming a trailer receiver tube using hollow forward extrusion | US10694631 | 2003-10-27 | US06931904B2 | 2005-08-23 | Darrin F. Jones; John A. Pale; David J. Slaughter |
| A method of forging a trailer receiver tube by providing a die having an inner surface defining a first portion and a second portion. Providing a hollow tube having an outer surface. Providing a punch having a body and a shaft extending therefrom sized to fit within the hollow tube. Loading the hollow tube within the first portion of the die. Inserting the punch into the hollow tube such that the body abuts an end of the hollow tube and the shaft extends therethrough. Advancing the punch and the hollow tube through the die such that a portion of the hollow tube is extruded into the second portion of the die and the outer surface of the hollow tube conforms to the inner surface of the die to thereby form the trailer receiver tube. | ||||||
| 111 | Method of forming a trailer receiver tube using hollow forward extrusion | US10694631 | 2003-10-27 | US20050086992A1 | 2005-04-28 | Darrin Jones; John Pale; David Slaughter |
| A method of forging a trailer receiver tube by providing a die having an inner surface defining a first portion and a second portion. Providing a hollow tube having an outer surface. Providing a punch having a body and a shaft extending therefrom sized to fit within the hollow tube. Loading the hollow tube within the first portion of the die. Inserting the punch into the hollow tube such that the body abuts an end of the hollow tube and the shaft extends therethrough. Advancing the punch and the hollow tube through the die such that a portion of the hollow tube is extruded into the second portion of the die and the outer surface of the hollow tube conforms to the inner surface of the die to thereby form the trailer receiver tube. | ||||||
| 112 | Manufacturing process for making engine components of high carbon content steel using cold forming techniques | US10056628 | 2002-01-25 | US06688148B1 | 2004-02-10 | Raymond C. Hartzell; Jeffrey A. Buck; Stanley Marchewka |
| A method of making high carbon content steel engine components is disclosed. The method includes pre-processing a supply wire of high strength steel having a spheroidized carbide microstructure and high-strength mechanical properties, applying a lubricant on the surface of the supply wire, and cold-forming the blank to substantially reduce or eliminate the need for any additional surface grinding operations. | ||||||
| 113 | Method of making steel couplers for joining concrete reinforcing bars | US10443412 | 2003-05-22 | US20030198513A1 | 2003-10-23 | Tien-Fa Wang |
| A section of heat treated solid steel rod receives a phosphate solution treatment and is inserted into a blind cavity of a first die member within a cold forging press. A punch is forced axially into the rod section in successive steps to cold-forge a first bore and a tubular first end portion of a coupler body. A second end portion of the coupler body is also cold-forged in successive steps after treatments and is either reduced in diameter to receive external threads or is formed with a second bore. Each of the first and second bores receives an end portion of a concrete reinforcing bar after which the tubular end portion of body is compressed or swaged inwardly to secure the body to the reinforcing bar. The second bore may also be machined with internal threads for receiving the external threads on another coupler. | ||||||
| 114 | FORGING METHOD OF A HOLLOW PART | US10000881 | 2001-11-02 | US20030087705A1 | 2003-05-08 | Mitsuru Matsuyama |
| A forging method which enables formation of a hollow part by simple processes. In a cutting process, a cylinder blank 1 is cut at the upsetting ratio of L/Dnull1.5-2.0. In a first process, the cylinder blank 1 is upset in accordance with the outer shape of a nut. The height h of a semi-manufactured product 2 should be lower than the height h of a final product 4. In a second process, dents 3a and 3b are formed on both sides by extrusion. The depth of the dents 3a should be deeper than the other. The height of the semi-manufactured product 3 in the second process should be as tall as the height of the final product 4. In a third process, piercing is performed to the bottom portion of the deeper dent 3a so that both dents 3a and 3b can communicate. | ||||||
| 115 | Forging method of a hollow part | US10000881 | 2001-11-02 | US06558263B1 | 2003-05-06 | Mitsuru Matsuyama |
| A forging method which enables formation of a hollow part by simple processes. In a cutting process, a cylinder blank 1 is cut at the upsetting ratio of L/D=1.5-2.0. In a first process, the cylinder blank 1 is upset in accordance with the outer shape of a nut. The height h of a semi-manufactured product 2 should be lower than the height h of a final product 4. In a second process, dents 3a and 3b are formed on both sides by extrusion. The depth of the dents 3a should be deeper than the other. The height of the semi-manufactured product 3 in the second process should be as tall as the height of the final product 4. In a third process, piercing is performed to the bottom portion of the deeper dent 3a so that both dents 3a and 3b can communicate. | ||||||
| 116 | Tool for removing damaged fasteners and method for making such tool | US10007233 | 2001-11-05 | US06546778B2 | 2003-04-15 | Chalmer C. Jordan |
| A tool for removing damaged fasteners and a method for making such tool wherein the tool (10) includes a first end (12) and a second end (14) with an outside surface (32) and an inside surface (40) defined between ends (12) and (14). A portion (46) of inside surface (40) is in the shape of an hexagonal frustum (54) that has a major end (58) and that includes spiral splines (25). Splines (25) have constant depth between the major end (58) and the minor end (56) of frustum (54) and the relief angle (£) of splines (25) decreases in the direction from minor end (56) toward major end (58). In the method for making the tool (10), a tubular section (118) is made from a tapered blank (91) by piercing one end of the tapered blank with a pierce punch (132). One end of the tubular section is then driven onto a splined punch (162) to provide splines in one end of the tubular section. The tubular section is then stripped off of the punch (162) by a kick-out sleeve (166) and extruded through a round-to-hexagonal extrusion insert (182) to provide portion (46) of the inner surface (40) with a tapered, hexagonal shape. | ||||||
| 117 | Pressing method, in particular for obtaining hydraulic cylinders and high-pressure filters | US09870437 | 2001-05-30 | US06474127B1 | 2002-11-05 | Gustave O. Bonde |
| The present invention relates to a pressing method for obtaining hydraulic cylinders and high-pressure filters, using a semifinished product consisting of a cylindrical part having a blind hole at one end and suitably treated by means of a first chemical surface treatment. The method comprises a first step in which positioning of the semifinished product in a die is performed, followed by a first pressing operation using a first punch acting over part of the depth of said blind hole, so as to define a first machined zone, followed by a second step consisting of first sizing of said first machined zone using a second reverse-profile punch, so as to define a second machined zone. A third step of performing a second chemical surface treatment, followed by a fourth step of pressing of said second machined zone using a third punch, so as to obtain a third machined zone with a desired thickness, and a fifth step of sizing of said third machined zone using a fourth punch, so as to define a flat contact zone. | ||||||
| 118 | Spanner with prevention of disengagement of fasteners | US09820061 | 2001-03-28 | US20010054334A1 | 2001-12-27 | David Ling; Hsien-Chung Tuan-Mu |
| A spanner comprises a box end that has an inner periphery consisting of a number of wall faces to define a first polygonal receiving space. Each wall face includes a groove defined therein. The grooves of the wall faces together define a second polygonal receiving space. At least one of the grooves includes a closed first end and an open second end. | ||||||
| 119 | Method of forming a one piece steering shaft member | US896811 | 1997-07-18 | US6105413A | 2000-08-22 | James A. Duggan; Virginia L. McClanahan |
| A method for forming a one-piece steering shaft member, such as an externally splined male steering shaft member (or yoke shaft) or an internally splined female steering shaft member (or slip yoke) is disclosed. A hollow cylindrical tube is initially provided which is preferably formed from a blank of a metallic material, such as aluminum, having an elongation factor of at least fifteen percent. It is desirable that the tube have a uniform wall thickness and define an outer diameter which is substantially uniform along the length thereof. The outer diameter of one end of the tube is reduced from its original diameter while the outer diameter of the opposite end is maintained at its original diameter. A splined surface is formed in the reduced diameter end portion of the tube. The splined surface is formed on the external surface of the yoke shaft and on the internal surface of the slip yoke. A yoke member is then formed in the opposite end of the tube. In one embodiment, the opposite end of the tube is first deformed so as to provide a generally hollow rectangular cross sectional shape. Generally U-shaped portions of material are removed from two of the opposed sides of the hollow rectangular end of the tube to form a pair of opposed yoke ears adapted for use in a universal joint. In a second embodiment, the opposite end is maintained in its original hollow cylindrical shape and is machined to form the opposed yoke arms. In both embodiments, a bore is formed through each of the yoke ears. | ||||||
| 120 | Reinforcement for vehicle hollow structural member, having decreasing-thickness end portions | US58249 | 1998-04-10 | US6082811A | 2000-07-04 | Akio Yoshida |
| A vehicle hollow structural member including a hollow body portion, and a reinforcement having a hollow structure fixedly disposed within the body portion in close contact with the inner surface of the hollow body portion. The reinforcement includes a thick-walled portion as a longitudinal central portion thereof, and two decreasing-thickness portions longitudinally opposite end portions. Each decreasing-thickness portion has a wall thickness which continuously decreases in a longitudinal direction from the thick-walled portion toward the longitudinal end of the corresponding end portion of the reinforcement, such that the wall thickness at the longitudinal end is substantially zero. | ||||||
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