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)
06/2012
06/07/2012US20120143265 Polyaxial bone anchoring device
06/07/2012US20120138199 Process for Producing a Threaded Spindle having a Large Bearing Seat
06/05/2012US8191390 Radial roller head
05/2012
05/31/2012US20120135378 Fastening screw for prosthetic components in implantodontics
05/30/2012EP2456597A1 Device for rolling an eccentric rotational component, rolling machine, method, and eccentric rotational component
05/30/2012CN202239412U Discharging compensation mechanism for internal thread forming machine
05/30/2012CN202239411U Cylindrical die roll component for lead screw machine
05/30/2012CN101743407B Thread forming screw thread and corresponding thread roll die
05/30/2012CN101649935B Circular arc thread dental pattern
05/16/2012DE102010051269A1 Method for manufacturing of gear racks of electromechanical steering system of vehicle, involves manufacturing gear section and ball screw section
05/16/2012CN102451818A Profiled bar steel and roller thereof
05/09/2012CN202212509U Arc-shaped thread rolling mechanism
05/09/2012CN202212508U Spark plug thread rolling machine
05/09/2012CN101660558B Opening biconical nut expansion bolt and manufacturing device thereof
05/08/2012US8172692 Method of forming a high performance thread forming screw
05/03/2012US20120108350 Bone screw and method for manufacturing the same
05/02/2012CN102430675A Method for producing steel for non-cold machining connection
04/2012
04/26/2012DE102006008083B4 Strukturiertes Wärmeaustauscherrohr und Verfahren zu dessen Herstellung Structured heat exchanger tube and method for its production
04/25/2012CN202199707U 无头螺丝搓丝装置 Headless screw thread rolling device
04/25/2012CN102423789A 渐退式滚丝机 Waning type rolling machine
04/18/2012CN202192185U 钢筋直滚滚丝机 Steel straight billowing silk machine
04/17/2012US8156779 Apparatus and method of producing spark plug
04/11/2012CN202185545U 用于制作带平、弹垫螺丝的牙板 Dental plates used to make with flat, elastic pad screws
04/11/2012CN102413958A Fastening screw for prosthetic components in implantodontics
04/05/2012WO2012043087A1 Lubricant composition for metal material plasticity processing, lubricating film and coated metal material provided therewith, and method for manufacturing coated metal material
04/05/2012US20120079918 Method and device for producing longitudinal components of metal with helical grooves, in particular spiral drill bits or screws
03/2012
03/29/2012DE102010037757A1 Screw thread for e.g. screw bolt and nut, has edges with protrusion on both sides of groove, where thread exhibits smaller thread depth in region of clamping portion if pitch is smaller or equivalent to preset value than outside of portion
03/28/2012CN202176592U 一种控制旋入或旋出力矩的破牙螺钉及其制造设备 A control is screwed into or out of a broken tooth screw torque and manufacturing equipment
03/28/2012CN202174198U 一种螺纹空刀槽冷挤压加工工具 One kind of thread empty sipes cold extrusion tools
03/22/2012DE102010041164A1 Verfahren zum Herstellen eines Bohrers A method of manufacturing a drill
03/14/2012EP2428291A1 Apparatus for threading cans
03/14/2012CN202162318U 一种自动上料搓丝机 An automatic feeding thread rolling machine
03/14/2012CN102371322A Steel bar straight thread wire stranding machine
03/13/2012US8132439 Bottle can member, bottle, and thread forming device
03/07/2012CN202155456U 一种滚丝定位装置 A wire positioning device roll
03/07/2012CN102369362A Self-tapping thread forming screw and corresponding thread roll die
03/07/2012CN101767169B Manufacturing method of magnesium screw and magnesium screw component thereof
03/06/2012CA2620735C Method for cold forging high strength fastener with austenitic 300 series material
02/2012
02/09/2012US20120034048 Self-tapping thread forming screw and corresponding thread roll die
02/08/2012EP2413984A1 Fasteners made of a polymer material
02/01/2012CN202129394U 复合滚丝轮 Composite rolling wheel
01/2012
01/26/2012WO2012011058A1 Tool-holding device
01/19/2012WO2012009439A1 Thread forming die and method
01/19/2012WO2012007543A1 Process for producing a semifinished product and a semifinished product
01/19/2012WO2012007231A1 Process for producing a semifinished product
01/18/2012CN202114191U Tooth rolling device of tooth-shaped stud
01/18/2012CN202114190U Straight thread rolling machine for reinforcing steel bars
01/11/2012CN202105955U Automatic thread rolling device of automobile instrument shaft
01/10/2012US8091402 Method of manufacturing bottle can
12/2011
12/29/2011US20110314887 Screw plug made of a metallic material, method for the production thereof, corresponding blank, and corresponding tool
12/21/2011EP2396561A1 Self-tapping thread forming screw and corresponding thread roll die
12/21/2011CN101823084B 基于电磁激振器的内螺纹冷挤压辅助加工装置 Based on the electromagnetic exciter threaded cold extrusion auxiliary processing unit
12/14/2011CN202070706U 一种高扭矩螺纹钢横肋对正线性调节装置 A high-torque steel cross ribs on the positive linear adjustment device
12/14/2011CN202070705U 丝杠高速滚打累积成形装置 Screw speed Gunda accumulation forming device
12/08/2011WO2011152846A1 Two-piece guide pin and method
12/08/2011US20110300955 Method for Production of Painted Screws or Nails in a Magazine Strip
12/08/2011US20110299939 Expandable Bolt With Shielded Tip
12/08/2011US20110296893 Two-piece guide pin and method
12/08/2011CA2800990A1 Two-piece guide pin and method
12/07/2011EP2391467A1 Screw or nut with a thread a pitch of which varies and tool to produce said screw or nut
12/01/2011WO2011149507A2 Method and apparatus for molding a high-strength non-metallic fastener having axially-aligned fibers
11/2011
11/30/2011EP2390022A2 Apparatus for threading cans
11/30/2011CN202052892U 一种具有自动套垫及上下料一体的滚丝机 A kind of automatic loading and unloading the sleeve and one of the rolling machine
11/30/2011CN101596571B 螺纹成型模板结构 Thread forming template structure
11/24/2011US20110286815 Method and apparatus for molding a high-strength non-metallic fastener having axially-aligned fibers
11/23/2011CN202045309U Threaded pipe mill
11/23/2011CN101652201B Multi-thread rolling die manufacturing method, multi-thread rolling die, and multi-thread bolt manufacturing method using the same
11/17/2011US20110280684 Self-drilling screw and fabricating method for the same
11/16/2011CN202037284U Automatic feeding gear hobbing machine
11/16/2011CN101559466B Design method of corrugating mould of copper pipe with fine pitch and deep helical corrugation
11/10/2011US20110274516 Thread-tapping concrete screw
11/09/2011EP2385004A1 Flighting for a conveyor and apparatus for producing such flighting
11/09/2011CN202028724U Handpiece structure of deformed steel bar thread rolling machine
11/09/2011CN102233401A Design principle and method for machining thread rolling wheel of multiple-thread screw rod
11/09/2011CN102233400A Adjustable multiple thread screw rolling equipment and process
11/04/2011CA2730639A1 Flighting for a conveyor and apparatus for producing such flighting
11/02/2011CN202021308U Thread rolling die part for lead screw machine
10/2011
10/27/2011US20110259069 Method of and apparatus for positioning a tool
10/26/2011EP2380678A1 Device and method for engaging a tool in a profile rolling machine
10/19/2011EP2313218B1 Method and apparatus for producing a circular cylindrical body comprising a workable mass and having internal helical recesses
10/18/2011US8041150 Method and apparatus for determining the surface area of a threaded fastener
10/13/2011US20110250977 Method for producing a screw foundation
10/12/2011EP2374557A1 Insertion device for rolling machines
09/2011
09/22/2011US20110226594 Wire Binding Screw For A Circuit Breaker
09/21/2011CN201979027U 不对称螺纹的制作模具 Making molds asymmetrical thread
09/21/2011CN101856707B Method for manufacturing composite screws
09/14/2011EP2365558A1 Battery pack and method of manufacturing same
09/14/2011CN201969817U 铜管内螺纹成型装置 Brass internal thread forming apparatus
09/14/2011CN201969816U 一种搓牙机 One kind of thread rolling machine
09/14/2011CN201969815U 一种搓牙机 One kind of thread rolling machine
09/14/2011CN102179409A Linear adjustment device for aligning transverse ribs of high-torque screw-thread steel
09/08/2011US20110217143 Fastener system with stable engagement and stick fit
09/07/2011CN201960066U 钢筋挤压滚丝机 Steel extrusion rolling machine
09/07/2011CN102172749A Thread rolling machine
08/2011
08/24/2011EP1732717B1 Thread rolling attachment
08/18/2011WO2011098133A1 Method of forming anchor bolts
08/18/2011CA2786789A1 Method of forming anchor bolts
08/11/2011DE102010006959A1 Seitenrollwerkzeug Thread Rolling Attachment
08/10/2011EP2353749A2 Tangential thread-rolling head
08/10/2011CN102145443A Method for processing U-shaped bolts
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