B21D3/12 - CPC Classification Index

ClassID:

38434 ⎘

B21D3/12 - CPC Classification

Classification description:

Straightening or restoring form of metal rods, metal tubes, metal profiles, or specific articles made therefrom, whether or not in combination with sheet metal parts by stretching with or without twisting

Recent Application in this class:

20260077413

2026-03-19

TRANSPORT SYSTEM FOR A PIPE AND METHOD FOR DELIVERING A PIPE

20210146421

2021-05-20

RESTRAINT DEVICE FOR VEHICULAR FRAME STRAIGHTENING SYSTEMS

20210016990

2021-01-21

TRANSPORT SYSTEM FOR A PIPE AND METHOD FOR DELIVERING A PIPE

20210016336

2021-01-21

Transport system for a wire or a sheet and method for delivering a wire or a sheet

20200391268

2020-12-17

Stretching machine for extruded profiles

20200360978

2020-11-19

Method for straightening of a FeCrAl alloy tube

20190160506

2019-05-30

Method and device for straightening a workpiece

20170120468

2017-05-04

Apparatus and method for manufacturing blade

20160107216

2016-04-21

Method and apparatus for straightening metal bands

#10

20150020565

2015-01-22

Part correcting device for automobile part

#11

20150007580

2015-01-08

Method of producing suspension for a structure in a turbojet engine using a hyperstatic trellis with pre-stressed link elements

#12

20140338414

2014-11-20

Method of calibrating an extruded straight tube

#13

20130291616

2013-11-07

Hot stretch straightening of high strength age hardened metallic form and straightened age hardened metallic form

#14

20130089458

2013-04-11

Method and equipment for shaping a cast component

#15

20120024033

2012-02-02

Hot stretch straightening of high strength α/β processed titanium

#16

20070087879

2007-04-19

Circumferential length correcting method and apparatus for metal ring