| Patents for B21H 3 - Making helical bodies or bodies having parts of helical shape (2,057) |
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| 01/19/2006 | WO2005102557A3 Thread rolling attachment |
| 01/19/2006 | US20060010982 Method and apparatus for indicating an apparent error in the operation of a fluid-powered attachment |
| 01/11/2006 | CN1235701C Method of cold-forming interna-thread for copper pipe and its special die |
| 01/04/2006 | CN1715723A Large profile angle screw thread joint pipeline and its producing method |
| 12/14/2005 | CN2745670Y Teeth rolling mill |
| 12/08/2005 | US20050272354 Method and apparatus for manufacturing hourglass worm rolling die |
| 11/24/2005 | DE10206744B4 Verfahren für die Herstellung einer Walzbacke, damit hergestellte Walzbacke für Kugelumlaufspindeln, sowie Kugelumlaufspindel A process for the preparation of a roller die so produced rolling die for ball screws and ball screw |
| 11/23/2005 | CN2741693Y Rolling press mould plate for drilling bit |
| 11/09/2005 | EP1377398B1 Process for forming a threaded member and threaded member formed thereby |
| 11/03/2005 | WO2005103511A1 Threaded fastener |
| 11/03/2005 | WO2005102557A2 Thread rolling attachment |
| 11/03/2005 | US20050244247 Heat resistant drill screw |
| 11/03/2005 | US20050241150 Method of manufacture of heat-exchanger tube structured on both sides |
| 11/03/2005 | DE10105827B4 Vorrichtung zum spanlosen Umformen von langgestreckten Werkstücken Apparatus for chipless forming elongated workpieces |
| 11/02/2005 | EP1492650A4 Method for manufacturing a directionally dependent reflective surface |
| 10/27/2005 | US20050238459 Interactive fit screw thread |
| 10/26/2005 | EP1303368B1 Method for producing a shaft and device containing one such shaft |
| 10/26/2005 | CN2736079Y Automatic headless coil thread roller |
| 10/18/2005 | US6956181 Method for making a fastener |
| 10/13/2005 | DE102004012646A1 Schaltvorrichtung für maschinelle Anlagen Switching device for mechanical equipment |
| 10/06/2005 | US20050217345 Rolling die |
| 10/06/2005 | US20050217335 Method for manufacturing a directionally dependent reflective surface |
| 10/05/2005 | EP1582276A2 Rolling die |
| 10/05/2005 | EP1581352A2 Self-attaching female fastener elements and method fo forming same |
| 10/05/2005 | CN2730516Y Roller holder mechanism for roll-threading machine |
| 10/05/2005 | CN2730515Y Hydraulic controller for roll-threading machine |
| 09/29/2005 | US20050210991 Method and apparatus for indicating an apparent error in the operation of a fluid-powered thread-forming attachment |
| 09/29/2005 | US20050210943 Thread rolling attachment |
| 09/22/2005 | WO2005087405A1 Switching device for mechanical systems |
| 09/22/2005 | US20050204562 Method for the production of a spindle nut of a spherical thread drive mechanism |
| 09/21/2005 | CN1669698A Triaxial double thread rolling equipment |
| 09/20/2005 | US6947800 Smart machine tool system |
| 09/15/2005 | WO2005085695A1 A thin wall stainless-steel pipe with thread ends and the method of making the same |
| 09/14/2005 | EP1574752A2 A ball screw |
| 09/14/2005 | CN2724879Y Feeding mechanism of threading machine |
| 09/07/2005 | CN1666025A Heat resistant drill screw |
| 08/24/2005 | EP1259335A4 Smart machine tool system |
| 08/20/2005 | CA2458311A1 Thread rolling dies apparatus for a thread rolling machine |
| 08/18/2005 | DE10354622B4 Treatment and device for manufacture of a screw thread roller involves insertion of the screw thread groove in a machine part, hardening of this part, and finishing of the screw thread groove by turning on a grinding wheel |
| 08/17/2005 | EP1564423A1 Heat resistant drill screw |
| 08/17/2005 | CN1655891A Automatic rolling machine with flat chasers |
| 08/11/2005 | US20050172689 Tangential thread-rolling head |
| 08/10/2005 | EP1561525A2 Tangential thread rolling head |
| 08/03/2005 | CN2714221Y Feeding sliding headstock for thread rolling machine |
| 07/28/2005 | US20050163596 Screw with a plurality of screwing angles and mold device for forming the same |
| 07/27/2005 | EP1557575A1 Screw with a plurality of screwing angles and thread rolling die for forming the same |
| 07/27/2005 | CN1646275A Method for manufacturing a directionally dependent reflective surface |
| 07/21/2005 | US20050158149 Threaded fastener with dual reinforcing leads having arrowhead cross-sectional configuration and improved substrate entry or lead end portion, thread rolling die for forming the threaded fastener, and method for manufacturing the threaded fastener |
| 07/20/2005 | EP1555072A2 Axial thread rolling head |
| 07/14/2005 | US20050150267 Axial thread-rolling head |
| 07/05/2005 | US6912883 Load measuring system for a thread rolling machine and operating method therefor |
| 06/30/2005 | WO2005059193A1 Cold-rolled fixing screw comprising a self-tapping thread |
| 06/30/2005 | US20050138980 Worm shaft and method for manufacturing the same |
| 06/30/2005 | DE102004014255B3 Flat cheek profile rolling tool, includes sensor(s) for determining tracking error force between rolling cheeks and rolled workpiece fed between them |
| 06/23/2005 | DE10354622A1 Treatment and device for manufacture of a screw thread roller involves insertion of the screw thread groove in a machine part, hardening of this part, and finishing of the screw thread groove by turning on a grinding wheel |
| 06/14/2005 | US6904779 Method of manufacturing a heat exchanger tube with parallel fins |
| 06/08/2005 | CN1204985C Rotary shaft with screw and mfg method thereof |
| 06/02/2005 | US20050115293 Thread rolling tool |
| 05/31/2005 | US6899500 Fastner having multiple-bossed lead |
| 05/25/2005 | DE102004006125B3 Tangential thread rolling head comprises a bushing having a fine thread section on its periphery that interacts with an internal thread section in a receiving bore for a pinion and the bushing |
| 05/04/2005 | EP1526933A1 Method for the production of a spindle nut of a spherical thread drive mechanism |
| 05/03/2005 | US6886384 Process for forming a threaded member |
| 04/27/2005 | EP1187958B1 Concrete structure comprising anchor rods and anchor rod |
| 04/21/2005 | US20050084702 Continuous in-line processing to produce hot-dip zinc-spelter coated flat-rolled mild-steel strip |
| 04/19/2005 | US6880421 Rolled ball screw and method for rolling ball screw groove |
| 04/19/2005 | CA2183446C Thread formation |
| 04/14/2005 | DE19958827B4 Gewindefurcher und dessen Anwendung Forming taps and its application |
| 04/06/2005 | CN2690073Y Steel bar peeling rib straight screw thread rolling machine head |
| 04/06/2005 | CN1603025A Processing method of drilling bit and rolling form board thereof |
| 03/09/2005 | CN1191893C Thread-rolling end -working attachment |
| 03/02/2005 | CN1586761A Method for preparing diamond thin film self support round window sample |
| 03/02/2005 | CN1586750A Rolling method for low carbon twisted steel bar |
| 02/24/2005 | DE10359679B3 Fixing screw formed by cold rolling consists of a material made from steel having a ferritic structure and further components having a higher carbon content compared with the carbon in the ferrite |
| 02/24/2005 | DE10353727A1 Thread has profiling in form of protrusions and/or recesses on at least one flank surface, with angular distance between two adjacent protrusions and/or recesses preferably at least 30 degrees |
| 02/23/2005 | EP1507610A2 Automatic rolling machine with flat chasers |
| 02/23/2005 | CN2680380Y Clamping module for screw forming machine with neck part |
| 02/23/2005 | CN2680378Y Screw forming machine with neck part |
| 02/23/2005 | CN2680376Y Multi-head rolling deformed bar splice press |
| 02/23/2005 | CN1584247A Multihead threading reinforcing bar joint, producer and producing method thereof |
| 02/17/2005 | WO2005014194A1 Method of producing left-right screw |
| 02/17/2005 | DE10331713A1 Tool esp. for non-cutting forming of internal thread for screw connections has turnable forming part and pressure application parts moving along forming curve |
| 02/16/2005 | CN1580588A Fastener for use with frangible material |
| 02/10/2005 | US20050031434 Fastener for use with frangible material |
| 02/09/2005 | EP1505304A1 Fastener for use with frangible material |
| 02/09/2005 | CN2677071Y Wire cutting device |
| 02/02/2005 | EP1229871B1 An element intended to be implanted in body tissue, and a device for manufacturing such an element |
| 01/27/2005 | WO2005007315A1 Automatic releasing-type rolling head for forming tapered thread on pipe |
| 01/26/2005 | CN1570443A Plastic profiled screw-thread interface thin-walled stainless steel pipes and sealing method of same |
| 01/19/2005 | EP1272295A4 Thread-rolling end-working attachment |
| 01/19/2005 | CN2671715Y Material feeding slide base for tooth mill |
| 01/19/2005 | CN2671714Y Tooth mill |
| 01/12/2005 | CN2670031Y Tooth milling structure |
| 01/12/2005 | CN2670030Y Piping screw rolling machines |
| 01/05/2005 | EP1492650A1 Method for manufacturing a directionally dependent reflective surface |
| 01/05/2005 | CN1560498A Thin stainless steel pipe with engaging formed screw connet and its manufacture method |
| 12/30/2004 | US20040261482 Thread rolling dies apparatus for a thread rolling machine |
| 12/29/2004 | WO2004113742A1 Magnesium-base alloy screw and method of manufacturing the same |
| 12/23/2004 | WO2004110669A1 Form rolling method for worm and form rolling die for the method |
| 12/22/2004 | EP0930441B1 Self-locking screw and method for manufacturing the same |
| 12/22/2004 | CN1555938A Pipeline connection external thread oxial rolling machine |