Patents
Sitemap › B21 - Mechanical metal-working without essentially removing material; Punching metal › B21D - Working or processing of sheet metal or metal tubes, rods or profiles without essentially removing material; Punching › B21D 41 - Application of procedures in order to alter the diameter of tube ends
Patents for B21D 41 - Application of procedures in order to alter the diameter of tube ends (2,982)
04/2014
04/02/2014CN203508811U Servo driving mould replacing device
03/2014
03/26/2014CN203495059U Barrel necking-down device
03/26/2014CN203495058U Closing mechanism of double-row multi-hole micro channel flat tube
03/26/2014CN203495044U Steel pipe cutting ferrule pre-tightening device and steel pipe cutting ferrule flaring device thereof
03/26/2014CN103658427A U-shaped end clamping device
03/26/2014CN103658419A Automatic necking machine
03/26/2014CN103658418A Reamer
03/19/2014CN203484548U Sealing device for a pipe fitting
03/19/2014CN203484528U Punch pin structure
03/19/2014CN103639309A Necking machine for inner cylinder of washing machine
03/19/2014CN103639308A Necking shaping technology for inner drum of washing machine
03/19/2014CN102649147B Three-jaw necking machine synchronizing by rack
03/19/2014CN102649146B Three-claw opening-shrinking machine synchronized through connecting rods
03/14/2014DE202013011586U1 Schiebewerkzeug mit integriertem Aufweitwerkzeug Slide tool with integrated expansion tool
03/13/2014WO2014039198A1 Fan case ballistic liner and method of manufacturing same
03/13/2014WO2014037434A1 Bullet for shooting range and practice cartridges
03/12/2014CN203471323U Multifunctional pipe end forming machine
03/12/2014CN203470706U Improved reamer
03/12/2014CN203470675U Sealing tool for process pipe, process pipe and air conditioner
03/12/2014CN203470669U Steel tube necking die
03/12/2014CN203470667U Pipe end expanding machine mould positioning and detecting system
03/12/2014CN103624175A Radiator branch pipe heading machine
03/12/2014CN102513466B Full-automatic copper tube feeding machine
03/11/2014US8667668 Stent sheathing technology
03/05/2014CN203459560U Auxiliary necking jig
03/05/2014CN203459559U Flaring device of claw-shaped tee joint and flaring lower die of claw-shaped tee joint
03/05/2014CN103611831A Rapid expanding machine for circular tube end
02/2014
02/26/2014EP2699832A1 Pipeline comprising a joining end for a pipe connection, method for the production thereof, and pipe connection comprising such a pipeline
02/26/2014CN203448558U Necking die mechanism
02/26/2014CN203448557U Tubing head end reducing apparatus
02/26/2014CN203448556U Pipe end portion upsetting device
02/26/2014CN103600003A Expanded pipe caliber scanning device
02/26/2014CN103600002A Spinning-type tube end expanding device commonly applied to large-diameter steel tubes
02/25/2014US8656749 Tube expanding method for heat exchanger tubes and tube expanding apparatus for heat exchanger tubes
02/25/2014DE202012104450U1 Expansionskopf für Aufweitwerkzeuge und diesen umfassendes Expansionswerkzeug Expansion header for Backreamers and this comprehensive expansion tool
02/19/2014CN103586360A Clamp die for pipe end forming machine
02/18/2014US8652145 System and method for crimping a prosthetic valve
02/17/2014DE202012012856U1 Metallrohr zur Verwendung als Elektroinstallationsrohr, Vorrichtung zur Herstellung einer Einsteckmuffe an einem Metallrohr und Verbindung zwischen zwei Metallrohren Metal tube for use as an electrical conduit, apparatus for producing a male end of a metal pipe and joint between two metal tubes
02/13/2014US20140044983 Stretched strips for spacer and sealed unit
02/13/2014US20140041434 Pipe expanding tool
02/12/2014CN203426296U One-time forming device for steel tube grounding pile tip
02/12/2014CN203426295U Necking down tool
02/12/2014CN103567311A Opening reducing device and processing method for reducing opening of air suction pipe of compressor
02/12/2014CN103567310A Clamping die for flaring pipes
02/12/2014CN102513459B Dimension correcting die for openings of large-aperture U-shaped tubes
02/06/2014US20140033784 Holding device for a flanging tool and flanging tool for flanging pipe ends
02/05/2014CN203418026U End clamping machine for stainless steel pipes
02/05/2014CN203418025U Pipe end tail machining equipment
02/04/2014US8640521 Expandable prosthetic valve crimping device
01/2014
01/29/2014CN203409118U Downpipe necking machine
01/29/2014CN203409117U Novel necking down pipe tool
01/29/2014CN103537863A Oil tube mounting method of iron support fuel sensor, nosed structure of iron support fuel sensor and mold used in method
01/22/2014EP2687392A1 Method for producing a pipe stabiliser for a motor vehicle
01/22/2014CN203401010U New diameter reducing clamp for bushing
01/22/2014CN203401009U Pile head flaring device
01/22/2014CN203400980U Stamping die for head of pipe
01/15/2014CN203390091U Steel tube reducing hot expansion pressing machine
01/15/2014CN203390090U Hydraulic steel pipe expanding machine
01/15/2014CN203390089U Steel pipe-flaring machine
01/08/2014CN203380290U Expansion type flaring forming machine for sensor bracket
01/01/2014CN203370965U Multi-station necking machine
01/01/2014CN203370964U Fabricating device for hush pipe
01/01/2014CN203370963U Clamping and pressing type pipe fitting pipe end forming machine
12/2013
12/25/2013EP2676747A1 Method for correcting pipe end of seamless pipe formed from high-cr stainless steel
12/25/2013CN203356442U Tube end forming equipment for press-fitting tubes
12/25/2013CN203356441U Steel tube side extension equipment
12/25/2013CN203356440U Forming machine head transmission mechanism used for machining tail end of pipe
12/25/2013CN103465023A Multifunctional pipe end forming machine
12/25/2013CN103464631A Necking die mechanism
12/25/2013CN103464630A Capping method for seamless steel pipe
12/25/2013CN103464591A Steel tube reducing mould
12/25/2013CN103464590A Mold positioning and detecting system of pipe-end expanding machine
12/24/2013DE102012024046B3 Apparatus for producing cylindrical widening of tube ends, has rollers through valve that is located in housing mechanism driven by external shaft
12/24/2013CA2557211C Unitary rear axle housing and method for manufacturing same
12/19/2013WO2013188165A1 Corrugated tubing compression tool
12/19/2013US20130333429 Pipe end correction method of seamless pipe made of high cr stainless steel
12/18/2013EP2492029B1 Constrained metal flanges and methods for making the same
12/18/2013CN203343310U Double-end flaring device of exhaust pipe of silencer
12/18/2013CN203343280U Round pipe contracting mold
12/18/2013CN203343279U Sleeve type shrinkage tube mould
12/11/2013CN203330282U Sealing machine for machining forming of damper
12/11/2013CN203330281U Flexible pipe end portion heating pipe-expanding machine and integrated device
12/11/2013CN203330249U Automobile reinforcing spacer bush necking die
12/11/2013CN103433397A One-shot forming device of steel tube grounding pile tip
12/05/2013WO2013179496A1 Expanded metal tube manufacturing method
12/05/2013WO2013178211A1 Forming tool and method for enlarging an opening by means of an enlarging device
12/05/2013US20130319692 Compliant cone system
12/04/2013CN203316624U Radiator core tube expanding device
12/04/2013CN103418701A Stub end overlap edge rolling machine tool
12/03/2013US8595936 Hollow rack end diameter reducing method
12/03/2013CA2765091C Scraping tool
11/2013
11/27/2013CN103406761A TC4 titanium alloy pipe ball head heat flow forming method
11/27/2013CN102581154B Reducing rolling rounding device for stainless steel pipe ports
11/21/2013US20130305803 Servo motor controlled hydraulic pump unit for tube end forming equipment
11/21/2013DE102009044279B4 Verfahren zur Herstellung eines Wandanschlussstücks und zugehöriges Wandanschlussstück A method for producing a wall fitting and associated wall connection piece
11/20/2013EP2535124B1 Mechanical pipe expander
11/20/2013EP1870178B1 Pressing method and pressing device
11/20/2013EP1867406B1 Closing method and closing machine
11/20/2013CN203292347U Pinching machine
11/20/2013CN203292346U Automatic pinching rack
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