ClassID:

39062

B21H3/06 - CPC Classification

Classification description:

Making helical bodies or bodies having parts of helical shape external screw-threads ; Making dies for thread rolling Making by means of profiled members other than rolls, e.g. reciprocating flat dies or jaws, moved longitudinally or curvilinearly with respect to each other

Sub-classes:
Recent Application in this class:
#1
20250319511
2025-10-16

Flat die thread rolling machine and method for operating such a machine

#2
20230054284
2023-02-23

Tooling for Cold Forming Operations

#3
20220212244
2022-07-07

SHAFT MEMBER AND METHOD FOR MANUFACTURING MALE SHAFT

#4
20210245232
2021-08-12

Cold rolling machine and method for producing a profile on a workpiece

#5
20210040976
2021-02-11

Method for integrally forming a stop flange on a self-tapping screw by threading dies

#6
20200384524
2020-12-10

Method for producing a connecting element, connecting element, and rolling tool

#7
20200061693
2020-02-27

Positioning and clamping system for thread rolling

#8
20200055110
2020-02-20

Floatingly mounted multi-piece rolling tool, and rolling machine

#9
20190278229
2019-09-12

Diamond-polished applique for horology

#10
20190167324
2019-06-06

Method of making a self-cleaning self-cutting implant

#11
20180333766
2018-11-22

Multi-station reciprocating die roll forming machine

#12
20180163757
2018-06-14

Dual-threaded screw structure

#13
20180147620
2018-05-31

Roll forming machine with reciprocating dies

#14
20180135681
2018-05-17

Crack-proof screw

#15
20180117664
2018-05-03

Thread-rolling flat die for threaded fastener, and thread-rolling method

#16
20170146051
2017-05-25

Anti-loosen Screw Manufacturing Method and Screw Member Produced Thereby

#17
20160332213
2016-11-17

SPLINE ROLLING RACK AND METHOD

#18
20160030998
2016-02-04

Roll forming machine with reciprocating dies

#19
20160001348
2016-01-07

Method for Producing Screws and Concrete Screw

#20
20150266083
2015-09-24

Method and apparatus for cold forming thread rolling dies

#21
20150050102
2015-02-19

Anti-loose screw and a die device for forming same

#22
20140338412
2014-11-20

Form-rolling die structure and form-rolling method for compound screw

#23
20140133933
2014-05-15

Anchor bolt and production method

#24
20130324270
2013-12-05

MANUFACTURING METHOD AND EQUIPMENT FOR INTENSIFYING HARDNESS OF SCREWS

#25
20130312475
2013-11-28

Spline rolling rack and method

#26
20130303294
2013-11-14

THREAD REPAIR TOOL

#27
20130102401
2013-04-25

METHOD AND APPARATUS FOR MANUFACTURING A DUAL-THREADED BOLT

#28
20130051954
2013-02-28

Thread forming die and method

#29
20130022427
2013-01-24

Metallic glass fastening screw

#30
20130004262
2013-01-03

Screw method for forming a screw thread

#31
20120328393
2012-12-27

Rolling die

#32
20120316000
2012-12-13

Method and rolling die for manufacturing a screw

#33
20120309548
2012-12-06

Method and rolling die for producing a screw with a variable thread pitch

#34
20120277007
2012-11-01

MAGNESIUM-BASED ALLOY SCREW AND PRODUCING METHOD THEREOF

#35
20110280683
2011-11-17

Screw or nut with a thread a pitch of which varies and tool to produce said screw or nut

#36
20110259069
2011-10-27

Method of and apparatus for positioning a tool

#37
20110195380
2011-08-11

Self-clearing self-cutting implant

#38
20110107811
2011-05-12

Thread rolling die and method of making same

#39
20110070050
2011-03-24

SCREW AND A METHOD FOR MANUFACTURING THE SAME

#40
20110045915
2011-02-24

METHOD FOR THE FABRICATION OF A SCREW MEMBER FOR PLATE MEMBER FASTENER

#41
20100223972
2010-09-09

Threadrolling machine with device for unloading workpieces

#42
20100196121
2010-08-05

Thread forming screw thread and corresponding thread roll die

#43
20100175451
2010-07-15

Profile-rolling machine

#44
20070264100
2007-11-15

Multi-Pitch Screw and Method and Apparatus for manufacturing Multi-Pitch Screw

#45
20070209419
2007-09-13

Rolling die and method for forming thread or worm and spline having small number of teeth by rolling simultaneously

#46
20070022795
2007-02-01

Rolling die and a method of making a rod with a ball portion

#47
20060236740
2006-10-26

Method of producing left-right screw

#48
20060225477
2006-10-12

Method and device for manufacturing bolt, screw rolling die used therefor, and multiple screw bolt

#49
20060185170
2006-08-24

Methods for manufacturing endodontic instruments from powdered metals

#50
20060185169
2006-08-24

Methods for manufacturing endodontic instruments

#51
20060169015
2006-08-03

Major diameter correcting re-roll thread rolling die

#52
20060162409
2006-07-27

Coldforming machine

#53
20060130947
2006-06-22

Magnesium-base alloy screw and method of manufacturing the same

#54
20060107717
2006-05-25

Method and apparatus for precision rolling of rotationally symmetrical components

#55
20060059968
2006-03-23

Automatic rolling machine with flat chasers

#56
20050217345
2005-10-06

Rolling die

#57
20050163596
2005-07-28

Screw with a plurality of screwing angles and mold device for forming the same

#58
20050158149
2005-07-21

Die for, method of making, and fastener with lobed primary thread lead and interposed dual auxiliary thread lead with improved substrate entry end portion

#59
15287502
2019-06-11

Method of forming a die for roll forming a dual threaded bolt

#60
15287475
2019-03-19

Method for making a die for roll forming a dual threaded bolt

#61
15287428
2019-07-16

Method for making a dual threaded bolt roll forming die

#62
14249081
2017-09-12

Method for making a die for roll forming a dual threaded bolt

#63
14218526
2017-05-09

Compound die for dual thread forming