ClassID:

38251

B21C23/21 - CPC Classification

Classification description:

Extruding metal; Impact extrusion Presses specially adapted for extruding metal

Sub-classes:
Recent Application in this class:
#1
20250144689
2025-05-08

EXTRUSION SYSTEM

#2
20240342779
2024-10-17

APPARATUS AND METHOD FOR EXTRUDING WIDE PROFILES

#3
20230391496
2023-12-07

ALU-BOX COMPRISING A PROFILE AND THE PROFILE AS SUCH

#4
20230065058
2023-03-02

Butt retrieval system

#5
20200009628
2020-01-09

Forward and backward extrusion composite forming method using mould having open inner cavity

#6
20170297068
2017-10-19

Extrusion press

#7
20170291205
2017-10-12

Billet transport device for extrusion press

#8
20170128995
2017-05-11

Rotational extrusion molding die and slender metal workpiece made with same

#9
20150298189
2015-10-22

EXTRUSION DIE USING SHOCK-ABSORBING PAD AND METHOD FOR MANUFACTURING EXTRUSION

#10
20150283593
2015-10-08

Double action extrusion press

#11
20150258606
2015-09-17

Process and plant for producing components made of an aluminium alloy for vehicles and white goods, and components obtained thereby

#12
20150190855
2015-07-09

Forging apparatus

#13
20150117943
2015-04-30

Method for machining a functional part

#14
20140373591
2014-12-25

PRESS FOR DIRECT EXTRUSION OF METAL PRODUCTS

#15
20140352385
2014-12-04

APPARATUS FOR PRODUCING A HOLLOW POPPET VALVE

#16
20140216122
2014-08-07

Extrusion press and control method for extrusion press

#17
20130074568
2013-03-28

Extrusion press container and liner for same

#18
20130047433
2013-02-28

METHOD OF PRODUCING A HOLLOW POPPET VALVE AND AN APPARATUS THEREFOR

#19
20100285165
2010-11-11

Screw extruder for continuous extrusion of materials with high viscosity

#20
20100263428
2010-10-21

Extrusion press

#21
20090266133
2009-10-29

Stem slide device

#22
20080209971
2008-09-04

Method and device for correcting a bevel error of a polygonal profile, in particular a flank alignment error of a toothing