| 序号 | 专利名 | 申请号 | 申请日 | 公开（公告）号 | 公开（公告）日 | 发明人 |
|---|---|---|---|---|---|---|
| 221 | Method of manufacturing a c-shaped rail with profiled surfaces | US626818 | 1996-04-03 | US5669260A | 1997-09-23 | Hans Stampfl; Siegfried Hofle; Walter Hintersteiner |
| A method of manufacturing an elongated rail (12) with a C-shaped cross-section transversely of its elongated direction from a sheet metal strip (1) by bending marginal sections along each elongated side edge (2) of the strip at 90.degree. with respect to the surface of the strip. Effecting the bending action by discs (5, 6, 7). Next using a profiling disc (8) rolling a profiled surface into each of the side edges (2) and then after returning the marginal edges to their original thickness, bending the strip into a C-shaped cross section extending transversely of its elongated direction. | ||||||
| 222 | Methods and apparatus for effecting domain refinement of electrical steels | US335847 | 1994-11-07 | US5596896A | 1997-01-28 | David Snell |
| Apparatus for effecting domain refinement of electrical steels comprises an assembly of an array of rotatable members (2) mounted within a supporting structure (3) and movable into direct contact with the surface of a strip or sheet of electrical steel to create lines of local plastic deformation which extends generally across the width of the steel to effect domain refinement thereof. Relative linear movement is imparted between the member and the steel strip or sheet. | ||||||
| 223 | Method of making a gasket | US890599 | 1992-07-13 | US5391333A | 1995-02-21 | Friedhelm Stecher; K. Gerd Friedrichs |
| A gasket, particularly a cylinder head gasket is described, which is made from a pressure-resistant and non-deformable material. Unlike in the case of the known gaskets, it is permanently shaped prior to assembly. The sealing surface is shaped complimentary to the deflection or sagging of the surfaces to be sealed, so that at all bearing points in the use case there is the thickness distribution required for a necessary pressure distribution. The corresponding topography is obtained in that a deformable assembly pattern is fixed under operating conditions between the surfaces to be sealed and copies are made of said assembly pattern. | ||||||
| 224 | Method of forming a nucleate boiling surface by a roll forming | US61759 | 1993-05-13 | US5351397A | 1994-10-04 | Daniel J. Angeli |
| A nucleate boiling surface is formed on at least one side of a strip by roll forming. A first pattern of grooves separated by ridges in the form of a double helix is rolled into a strip. A second pattern of more shallow grooves is then machined into the ridges. The ridges are then deformed so that the fin ends extend over the first pattern of grooves forming subsurface channels. Concomitantly, the second pattern of grooves forms a plurality of pores intersecting the subsurface channels. | ||||||
| 225 | Method for roll embossing metal strip | US679985 | 1991-04-03 | US5215245A | 1993-06-01 | Ross A. Moyer |
| A method for roll embossing an enhancement pattern into a surface of a metal strip. The method is intended for use in manufacturing roll formed seam welded metal tubing having interior or exterior surface enhancements to improve the heat transfer characteristics of the tube. Metal strip produced by use of the method has a weld zone adjacent each edge of the strip that does not have the surface pattern embossed upon it but has been rolled to a thickness less than the initial thickness of the strip feedstock. The amount by which the rolled thickness of the strip in the weld zones is reduced from the initial thickness is such that the portions of the strip in the weld zones undergo the same elongation as the central portion of the strip which receives the roll embossed surface enhancement. In this way no tensile stresses are introduced into the weld zone and it has a uniform and predictable thickness that will ensure a good welded seam during later welding into finished tubing. | ||||||
| 226 | Apparatus for processing grain-oriented electrical steel strip | US621762 | 1990-12-04 | US5085411A | 1992-02-04 | Yoshinao Tanaka; Takaaki Ohsawa; Akira Tanabe |
| An apparatus for processing grain-oriented electrical steel strip has a groove-scribing unit, which comprises a groove-scribing roll mounted above a pressing roll, disposed on the entry side of an insulation coating unit. A bridle roll is provided above the groove-scribing roll so that the strip may be passed to the groove-scribing and insulating coating units via the bridle roll. The apparatus also has a device for guiding the travel of the bridle roll from above the groove-scribing roll to below the horizontal pass line of the strip and vice versa. A moving device attached to the bridle roll permits the bridle roll to travel up and down along the guiding device together with the strip passed therearound. When the bridle roll is positioned above the groove-scribing roll, the groove-scribing and support rolls are kept close to each other, thereby scribing grooves in the surface of the strip held between the two rolls before the strip is passed to the insulation coating unit. When the bridle roll is positioned below the pass line of the strip, on the other hand, the groove-scribing and pressing rolls are kept away from each other to allow the strip to pass direct to the insulation coating line without touching either roll. Thus, the apparatus provides a choice between two passes for the strip. | ||||||
| 227 | Method of manufacturing composite structures | US507569 | 1990-04-11 | US5079825A | 1992-01-14 | Shigetomo Matsui; Takeshi Yamada; Yasuhiro Kumon; Makoto Ryoji; Shigeki Koe; Hiroatsu Asari; Toshihiko Ishizuka; Shigemi Murakami |
| A composite structure is manufactured by joining a first material, preferably made of a magnetically permeable material having a first joining surface in which a recess having an overhang surface is formed, to a second material, preferably made of an electrically conductive material having a second joining surface to be joined to the first joining surface of the first material. On the second joining surface is integrally formed a protrusion having an outer configuration substantially corresponding to the inner shape of the recess. The first and second materials are firmly mechanically joined to each other by, for example, a casting method, a rolling method, a pressing method, or a method utilizing plastic flow of the second material. | ||||||
| 228 | Anchor bolt | US446537 | 1989-12-06 | US5054146A | 1991-10-08 | David Wiesenfeld; Moshe Josef |
| A method of making an anchor bolt with a thread on a section thereof comprising the steps of providing a metal bar (1) of circular or near circular cross-section having a diameter which is substantially equal to the pitch diameter of the thread to be provided thereon, extruding the bar along a selected section (A) thereof to reduce its cross-section, forming a series of lateral protrusions (3) on the selected section of the bar, straightening the bar, and, forming a thread (5) with the said pitch diameter on a further selected section of the bar. | ||||||
| 229 | Method of manufacturing a heat exchange pipe | US11039 | 1987-02-05 | US4809415A | 1989-03-07 | Yukihiro Okayama; Tadashi Matsumoto; Akio Yoshioka |
| A heat-exchanging pipe having an inside surface formed with a plurality of ribs for enhancing turbulence of fluid flowing through the pipe. Each rib has an upstanding face portion formed on an upstream side of the rib and an inclined face portion descending from an upper end of the up-standing face portion in a downstream direction. The pipe is manufactured by roll forming a substantially flat piece of sheet metal material to form the ribs and then curling and joining ends of the sheet metal to form a substantially cylindrical pipe with the ribs on the inside surface thereof. | ||||||
| 230 | Method for manufacturing steel bar with intermittent smooth surface and patterned relief segments, and mine roof bolt product | US691141 | 1985-01-14 | US4649729A | 1987-03-17 | A. Dale McDowell; George S. Vass |
| A method is disclosed for manufacturing steel bar (10) with intermittent smooth surface segments (11) and patterned relief segments (12). The method includes the steps of heating the bar (10) to a semiplastic state, rolling the semiplastic metal bar between rollers (30) having segments of patterned relief (33) around their respective circumferences separated by intermittent smooth segments (34). The rollers (30) rotate in registration with each other thereby imparting a corresponding intermittent pattern to the surface of the bar (10) along its length. The metal bar is then cooled to a solid state with the intermittent pattern intact on the surface of the bar. The metal bar (10) has intermittent segments of patterned relief (12) separated by intermittent smooth segments (11), the intermittent segments of patterned relief (12) being rolled onto the surface of the bar by passing the bar in a semiplastic state between rollers (30) having corresponding patterned relief (33) around their respective circumferences. The metal bar (10) has particular application as mine roof bolts when cut to an appropriate length and threads (14) are formed on one end of the bar to receive a threaded nut (15). | ||||||
| 231 | Apparatus for reducing the cross sectional area of a wire | US228991 | 1981-01-27 | US4368632A | 1983-01-18 | Robert N. Thrash; W. Ralph Crooks |
| Apparatus for reducing the cross sectional area of a wire comprises stabilizing means arranged to receive the wire and to limit extrusion thereof in a direction transverse to its length and movable projecting means for engaging the wire while restrained by the stabilizing means so as to effect a deformation of the wire and a concomitant reduction of its cross sectional area. | ||||||
| 232 | Apparatus for roll working | US755082 | 1976-12-28 | US4074556A | 1978-02-21 | Kouichi Takeda; Hiroshi Sato; Toshimi Onishi |
| 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 selectively supplying a work to the working position of any one specific pair of the impression portions once per each rotation of the rolls, and a phase (or timing) adjusting means for the selective feeding of the work, in order to enjoy the merit of carrying out a desired process of production, without doing troublesome and time-consuming change of the rolls, only by adjusting the phase adjusting means and, if necessary, work-feeding means. | ||||||
| 233 | Metal forming device | US773517 | 1977-03-02 | US4064729A | 1977-12-27 | Alex Homery |
| A device for achieving a continuous forming of a metal rod or bar as it emerges from an extruder to impart desired repeating design characteristics therealong. The device includes a pair of co-acting motor driven forming rollers with complementary design portions formed in their engaging peripheral surfaces to engage the rod therebetween and to impart the forming roller design thereto. The forming rollers and variable speed drive motor are mounted on a carriage trolley movable on a track toward and away from the extruder in alignment with the extrusion emerging therefrom. The piston rod of a pneumatic piston and cylinder assembly is fixed to the carriage to impart a predetermined degree of pressure thereto in alignment with and in the same direction as the pressure forces of the metal rod extrusion. The drive motor is operated at a predetermined R.P.M. to create a condition whereby the driven forming rollers engagement with the extrusion substantially counterbalances the combined P.S.I. forces of the extrusion and piston rod permitting the trolley carriage to drift back-and-forth on the track in accordance with normal fluctuating P.S.I. forces of the extrusion without imparting deforming forces to the extrusion. | ||||||
| 234 | Method of producing sheet or plate from rolling stock | US741760 | 1976-11-15 | US4041749A | 1977-08-16 | Giswalt Veitl |
| In a method and apparatus for producing sheets or plates by hot rolling slabs in a number of passes, the slabs are alternately deformed more strongly and less strongly between a pair of rolls at least in one pass, and when the slabs are less strongly deformed, a condition according to which .alpha.' is equal to or smaller than .rho. is observed, while when the slabs are more strongly deformed, a condition according to which .rho. is smaller than .alpha. smaller than 2 .rho. is observed, .alpha. and .alpha.' being the angles of engagement and .rho. being the angle of friction, and differences in thickness in longitudinal direction of the slabs are levelled out in a subsequent pass. | ||||||
| 235 | Method of compressing and rolling powder | US36988573 | 1973-06-14 | US3892832A | 1975-07-01 | SCHEY JOHN A |
| A method of preventing edge cracking when continuously rolling and compressing powdered material comprising the steps of feeding the powdered material between a pair of rotating rolls, reducing the thickness of the powdered material by compacting as it passes between the rolls, engaging the lateral edges of the compacted material with a pair of inflexible, compressible elongated restraint members throughout a zone of compaction, traveling the restraint members rectilinearly at a velocity substantially equal to the velocity of said rolls, restraining the lateral edges of the compacted material by said restraint members during said compaction to prevent lateral deformation of the compacted material while reducing the thickness thereof. By such a method, the tensile forces along the lateral edges of the compacted material are sufficiently reduced to prevent edge cracking.
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| 236 | Apparatus for manufacturing leaf springs having a tapered end portion | US38058073 | 1973-07-19 | US3820373A | 1974-06-28 | SHIGUMA H; SUZUKI S |
| An apparatus comprises a furnace to heat a metal band, rolling mill rolls forming a plurality of tapers at portions of the heated metal band, shearing means to divide the tapered metal band into a plurality of leaf spring units with opposite tapered ends.
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| 237 | Apparatus for rolling and forming articles | US3685331D | 1969-12-31 | US3685331A | 1972-08-22 | MARCOVITCH JACOB |
| This invention relates to apparatus for rolling forming articles by rolling them into recesses in die means. The articles are rolled by forming rollers arranged in C shape and with a cylindrical rotatable member within the C and having die recesses formed therein into which recesses the material of the articles are rolled.
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| 238 | Apparatus for rolling and forming articles | US3608138D | 1969-12-22 | US3608138A | 1971-09-28 | MARCOVITCH JACOB |
| AN EXTRUDER FOR CONTINUOUSLY EXTRUDING ARTICLES IS PROVIDED. THE EXTRUDER HAS A BODY WITH A NOZZLE, AN OPEN END AND CONDUITS JOINING THE OPEN END AND THE NOZZLE. THE MATERIAL TO BE EXTRUDED IS CONTAINED WITHIN THE EXTRUDER BODY. A NUMBER OF ROLLERS ARE RECEIVED IN THE OPEN
END OF THE EXTRUDER BODY AND ROLL ON THE SURFACE OF THE MATERIAL. BACKING MEANS ARE ALSO PROVIDED AGAINST WHICH THE ROLLERS ROLL. |
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| 239 | Rolling of cylindrical workpieces | US3474652D | 1967-05-01 | US3474652A | 1969-10-28 | MARCOVITCH JACOB |
| 240 | Forging method and apparatus | US3456474D | 1967-09-28 | US3456474A | 1969-07-22 | MCCLELLAN HERBERT L; HUSS DONALD E |
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