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)
05/2014
05/21/2014CN103801641A 滚丝轮 Rolling wheels
05/21/2014CN103801640A 滚丝轮 Rolling wheels
05/20/2014US8726711 Apparatuses and methods for rolling angled threads
05/14/2014CN203592093U 一种台阶轴凸面滚丝防崩牙支架 One kind of stepped shaft convex rolling anti-chipping teeth bracket
05/14/2014CN103785784A 滚丝轮 Rolling wheels
05/14/2014CN103785783A 滚丝轮 Rolling wheels
05/14/2014CN103785782A 一种滚丝轮 One kind of rolling wheel
05/08/2014WO2014067276A1 Method for manufacturing drive screw
05/07/2014CN203578655U 滚丝机自动上下料装置 Rolling machine automatic loading and unloading device
05/07/2014CN203578651U 一种两端外螺纹加工装置 An externally threaded at both ends of the processing apparatus
05/07/2014CN203578650U 一种用于汽车心轴滚牙的装置 Apparatus for an automobile mandrel rolling teeth
05/07/2014CN103769509A 内螺纹管内模的工作带长度的确定方法及控制方法 Method of determining internal thread pipe work with the length of the mold and control method
04/2014
04/30/2014CN103752741A Method from a driving rotating shaft to feeding three die to roll to form screw element
04/30/2014CN103752740A stepless adjusting device and method for tri-roller milling machine main transmission shaft angle
04/30/2014CN103752739A Rolling method of thread and spline
04/30/2014CN103752738A Method for combined ultrasonic vibration and incremental roll forming of long threaded parts
04/29/2014DE202014001646U1 Gewinderollwerkzeug Thread rolling tool
04/17/2014WO2014056419A1 Rolling head for rolling pipe threads, apparatus and pipe column blank machined by the apparatus
04/16/2014CN203541406U Thread rolling machine
04/16/2014CN203541405U High-speed precision thread rolling machine
04/16/2014CN203541404U Thread rolling device for screw forming machine
04/16/2014CN203541403U Manual ratchet wheel thread rolling plate for processing external tube threads
04/15/2014US8696477 Method for manufacturing a thread-forming screw
04/10/2014WO2014055209A1 Method and apparatus for cold forming thread rolling dies
04/09/2014CN203526427U Axial external thread rolling tool
04/09/2014CN103706738A Structure principle applicable to ribbed steel bar taper thread roll forming equipment
04/09/2014CN102500729B Rolling method for ring-grooved rivet
04/09/2014CN102430675B Method for producing steel for non-cold machining connection
04/08/2014US8690693 Method for producing hollow body elements, hollow body element, component, follow-on composite tool for producing hollow body elements
04/02/2014CN203508893U Novel thread rolling machine for bolts
04/02/2014CN203508892U Thin-wall hollow pipe thread rolling head
04/02/2014CN103691856A Method for controlling forward speed of handpiece by automatic rib-stripping thread roller
04/02/2014CN102588413B Grounding bolt and manufacture method for same
03/2014
03/26/2014CN203495350U A steel bar straight thread rolling machine
03/26/2014CN103658473A Automatic thread nail graining machine
03/26/2014CN103658472A Thread rolling device
03/26/2014CN103658471A Thread rolling machine
03/20/2014DE202014001648U1 Gewinderollwerkzeug Thread rolling tool
03/19/2014CN203484593U Thread rolling machine
03/19/2014CN102615225B Lever product-hanging automatic thread rolling lathe and thread rolling method
03/12/2014CN203470788U Thread rolling device
03/12/2014CN203470787U Die for manufacturing lock screw
03/12/2014CN203470786U Floor type supporting device of large rolled bolt workpiece
03/12/2014CN103624197A Method for machining thin-wall shell part with inner and outer teeth
03/05/2014CN103611858A Novel bolt thread rolling machine
03/05/2014CN103611857A Full-automatic steel tube thread rolling machine
03/05/2014CN103611856A Rolling tool for axial external threads
02/2014
02/26/2014CN203448593U Rotary rolling device of helical baffle
02/26/2014CN203448592U Equipment for manufacturing insulated container cylinder rolled threads
02/26/2014CN102688964B Rolling mill for screw pump stator or rotors
02/19/2014CN203437572U Examining and detecting device of screw thread rolling machine
02/19/2014CN203437571U Valve rod thread rolling die
02/12/2014CN203426347U Two-center supporting sector-shaped swinging tool
02/12/2014CN203426346U Adjustable deformed steel bar cotton gin
02/05/2014CN203418048U Automatic thread rolling machine tool for thin-walled stainless steel threaded pipes
02/05/2014CN103551805A Method for machining screw grooves
01/2014
01/30/2014DE102013012501A1 Tensioning mechanism with motor-propelled wedges for screw rolling machine, has roll jaw holder that is pressed by springs such that vertical movement of wedge portion is translated into horizontal movement
01/29/2014EP2689148A1 Anchor bolt and production method
01/22/2014CN203401033U Frontward-ejecting workpiece holding part for numerical control gear rolling machine
01/22/2014CN103521667A Rotating rolling device for helical baffle
01/22/2014CN103521666A Milled head for rolled tube thread, device of milled head and pipe cylinder workblank machined through device
01/22/2014CN103521665A Method for determining mould structure for simultaneously forming threads and splines in rolling mode
01/15/2014CN103506542A Straight-line wear-resistant thread rolling die
01/15/2014CN103506541A Double-faced sloping grain thread rolling die
01/15/2014CN103506540A Double-faced straight-thread wear-resisting thread rolling die
01/15/2014CN103506539A Two-sided sawtooth line thread rolling plate
01/15/2014CN103506538A Straight thread rolling plate
01/15/2014CN103506537A Cross-grain thread rolling plate
01/15/2014CN103506536A Inclined pattern crest arc cylindrical die roll
01/15/2014CN103506535A Crest arc oblique line thread rolling wheel with guiding angles
01/15/2014CN103506534A Crest arc abrasion-resisting inclined pattern cylindrical die roll
01/15/2014CN103506533A Arc-crest abrasion-resistant straight-thread cylindrical die roll with guide angles
01/15/2014CN103506532A Tooth top arc cross grain cylindrical die roll capable of containing scraps
01/15/2014CN103506531A Abrasion-resistant chip-containing thread rolling die with guiding angle and inclined threads
01/15/2014CN103506530A wear-resistant thread rolling die with arc crests and straight threads
01/15/2014CN103506529A Scrap-containing straight-thread thread rolling die having guide angle
01/15/2014CN103506528A Arc-crest scrap-containing sloping-thread thread rolling die having guide angle
01/15/2014CN102083566B Device and non-cutting shaping method for introducing an outside profile into a workpiece
01/08/2014CN103495686A Novel bolt thread rolling machine
01/07/2014CA2730639C Flighting for a conveyor and apparatus for producing such flighting
12/2013
12/25/2013CN203356503U Feeding and discharging device which is based on idler wheel adjustment and used for thread roller
12/25/2013CN203356502U Thread rolling processor for cup body
12/25/2013CN103464663A Thread rolling plate with two-sided threads
12/25/2013CN103464662A Thin-wall hollow pipe thread rolling head
12/25/2013CN103464661A Arc-crest wear-resistant twilled cylindrical die roll with angle of deflection
12/25/2013CN103464660A Wear-resistant chip-containing straight-grain thread-rolling wheel
12/18/2013CN203343344U Thread rolling die for thread rolling machine and with flow guiding channel and waste grooves
12/18/2013CN203343343U Feed channel of corrugated structure
12/18/2013CN103447430A Automatic thin-wall stainless steel threaded pipe thread rolling machine tool
12/18/2013CN103447429A Double-face-detachable thread rolling plate
12/18/2013CN103447428A Detachable straight-line screw plate
12/18/2013CN103447427A Method for shortening machining time of steel bar head of automatic rib stripping thread rolling machine
12/18/2013CN103447426A Wear-resistant straight-thread cylindrical die roll with guide angle
12/18/2013CN103447425A Wear-resistant and chip-holding twill thread rolling wheel
12/18/2013CN103447424A Sloping grain chip-holding thread roll
12/18/2013CN103447423A Abrasion-resistant straight-grain cylindrical die roll with guide angles and scrap accommodating function
12/12/2013WO2013182455A1 Screw and method for the production thereof
12/12/2013DE102012011509A1 Method for producing stepped rod i.e. handlebar, in steering gear of motor car, involves removing rod portion in uniform manner, forming rough depth by rollers of raw surface of rod portion, and shaping, processing and curing rod portion
12/11/2013CN203330317U Rolling head automatic opening device of reinforcing steel bar straight-thread thread roller
12/11/2013CN203330316U Handheld electric screw rolling machine
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