Patents
Sitemap › B21 - Mechanical metal-working without essentially removing material; Punching metal › B21H - Making particular metal objects by rolling, e.g. screws, wheels, rings, barrels, balls › B21H 3 - Making helical bodies or bodies having parts of helical shape
Patents for B21H 3 - Making helical bodies or bodies having parts of helical shape (2,057)
12/2012
12/13/2012US20120316000 Method and Rolling Die for Manufacturing A Screw
12/13/2012DE102011085187B3 Bohrer und Herstellungsverfahren für einen Bohrer Drill and a drill production method for
12/12/2012CN202591496U External thread forming die of pipe thread forming machine
12/12/2012CN202591495U Novel thread rolling machine
12/12/2012CN102814437A Method for processing internal thread of pole column
12/12/2012CN102814436A Method for performing roll forming on screw thread by medium-high frequency induction heating and axial feed
12/06/2012US20120309548 Method and Rolling Die for Producing a Screw with A Variable Thread Pitch
12/05/2012CN202571115U Tool for processing fastener thread
12/05/2012CN101927307B Elastic positioning device of thread rolling workpiece
12/04/2012US8322177 Method for the production of metal closures
11/2012
11/29/2012WO2012161507A2 Thread rolling tap
11/29/2012WO2012161506A2 Thread rolling tap
11/28/2012EP2527059A1 Metallic glass fastening screw
11/28/2012EP2525927A1 Ejection device for a threading machine
11/28/2012CN202555747U Abrasion-resistant thread rolling plate for saw-tooth pattern
11/28/2012CN202555746U Double-surface detachable thread rolling flat die with sawtooth grains
11/28/2012CN202555745U Detachable screw plate for zigzag lines
11/28/2012CN202555744U Sawtooth pattern thread rolling plate
11/28/2012CN202555743U Wear-resistant thread rolling wheel
11/28/2012CN202555742U Thread rolling wheel with guide angle
11/28/2012CN202555741U Holding device for thread roller product
11/28/2012CN202555740U Thread rolling wheel
11/21/2012CN202539440U Adjusting mechanism for gear racks of gear rolling machine
11/21/2012CN202539439U Screw washer-penetrating device for thread rolling
11/21/2012CN202539438U Device for detecting inclined teeth of screws
11/21/2012CN202539437U Automatic suspension thread rolling machine tool for rod piece products
11/21/2012CN202539436U Adjustable type rolled thread universal machining assembly
11/15/2012DE102011113250B3 Profilwalzmaschine Roll forming machine
11/14/2012CN202527637U Inner-expansion device for tube component external thread edging
11/14/2012CN202527636U Supporting device for rolled screw of thread roller
11/14/2012CN202527635U Thread rolling cylindrical die with burst-open prevention structure
11/08/2012US20120283032 Insert for a tool for assembling a bone anchoring device and tool for assembling a bone anchoring device
11/01/2012US20120277007 Magnesium-based alloy screw and producing method thereof
10/2012
10/25/2012US20120271362 Porous bone screw
10/25/2012US20120269599 Threaded structures with solder management features
10/24/2012CN102753281A Method of forming anchor bolts
10/24/2012CN102748360A High-locking bolt provided with groove end as well as processing method and roller thereof
10/24/2012CN102744280A Part of shaft-hub coupling member, and method and drawing mold for manufacturing teeth on the same
10/24/2012CN101614307B Method and device for manufacturing external thread of sealing pipeline and product thereof
10/18/2012US20120264528 Screw manufacturing method, whirling cutter, and screw manufacturing machine
10/17/2012CN202490906U Cold twisting mould
10/11/2012US20120258809 Copper-tin multicomponent bronze containing hard phases, production process and use
10/03/2012CN202461383U Wall penetrating screw part of rolling screw for universal screw machine
10/03/2012CN202461382U Thread roller device
10/03/2012CN202461381U Improved threaded roller restorer
09/2012
09/27/2012WO2012126700A1 Anchor bolt and production method
09/27/2012DE102009038813B4 Vorrichtung zur spanlosen Bearbeitung langgestreckter Werkstücke Apparatus for chipless machining elongated workpieces
09/27/2012CA2830313A1 Anchor bolt and production method
09/26/2012CN202447566U Rib stripping rolling machine for reinforced steel bars
09/26/2012CN102695570A Ejection device for a threading machine
09/26/2012CN102688964A Rolling mill for screw pump stator or rotors
09/26/2012CN102688963A Machine head component of tubing thread forming machine
09/20/2012US20120239091 Anchoring element for use in spine or bone surgery, methods for use and production thereof
09/19/2012EP2500119A2 Rolling die and method of producing coating rod using the same
09/19/2012EP2498931A1 Thread rolling die
09/19/2012CN101927308B Roller machine head of bolt cold-rolling mill
09/12/2012CN102666013A Device for rolling an eccentric rotational component, rolling machine, method, and eccentric rotational component
09/12/2012CN102658345A Form rolling die
09/11/2012US8262492 Spacer nut manufacturing method
09/05/2012CN202411303U Prefabricated fragment thread roller
09/05/2012CN102653989A Steel bar rolling straight-thread sleeve connection construction method
09/05/2012CN102652981A Method for processing wind power blade bolt by using cross wedge rolling
09/05/2012CN102179409B Linear adjustment device for aligning transverse ribs of high-torque screw-thread steel
08/2012
08/22/2012EP2488314A1 Device for rolling threads
08/15/2012CN202378041U Manipulator for clamping spikes
08/15/2012CN202377455U Screw rolling machine screw nail stabilizing frame
08/15/2012CN202377454U Thread rolling machine
08/15/2012CN202377453U Heating and transmitting device for spike thread rolling machine
08/15/2012CN202377452U Spike moving and locating device for spike thread rolling machine
08/15/2012CN202377451U Spike thread roller
08/15/2012CN202377450U Track spike blank conveying device for track spike thread roller
08/15/2012CN202377449U Track spike blank heating device for track spike thread roller
08/15/2012CN102632171A Elastic sizing fixture
08/08/2012CN202367127U Rapid fixture for rolling thread of universal joint
08/02/2012DE102011003252A1 Walzbacke Rolling die
08/01/2012EP2481496A1 Rolling die
08/01/2012CN202356551U Thread rolling head
08/01/2012CN102615226A Rolling die
08/01/2012CN102615225A Lever product-hanging automatic thread rolling lathe and thread rolling method
07/2012
07/26/2012US20120186318 Device for rolling threads
07/25/2012CN202343825U Thread wheel machining die
07/19/2012US20120183372 Screw anchor and method for producing a screw anchor
07/18/2012CN202336560U 一种新型的滚丝机 A new rolling machine
07/18/2012CN102596448A Thread rolling die
07/18/2012CN102588413A Grounding bolt and manufacture method for same
07/11/2012EP2473296A1 Device and method for processing elongate workpieces without cutting
07/11/2012CN102574195A Device for rolling threads
07/04/2012CN202291179U Processing and positioning device of rolled thread
07/04/2012CN202291178U 一种新型的滚丝机 A new rolling machine
07/04/2012CN102527898A Bolt-heating upsetting-forming technology
07/04/2012CN102527891A Manufacturing method of external thread guide structure of bolt/screw product
07/04/2012CN101927306B Die matching device and die matching method for three-roll thread rolling machine
06/2012
06/28/2012WO2012084388A1 Method for producing a screw anchor and screw anchor
06/28/2012DE10206744C5 Verfahren für die Herstellung einer Walzbacke sowie damit hergestellte Walzbacke für Kugelumlaufspindeln A process for the preparation of a rolling die and produced therewith rolling die for ballscrews
06/27/2012CN202283577U 一种自动剥肋滚丝机 An automatic stripping rib rolling machine
06/27/2012CN101596570B Thread rolling machine device capable of automatically tapping two groups of bolts synchronously
06/21/2012US20120155986 Helical rolled ring bolt
06/20/2012EP2464478A1 Tool-holding device
06/20/2012CN202278133U Special tool for thread rolling
06/20/2012CN102500729A Rolling method for ring-grooved rivet
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