B21C 1/24

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Description

Class  B21C : MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES, PROFILES OR LIKE SEMI-MANUFACTURED PRODUCTS OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL


Subclass 1/24: Manufacture of metal sheets, wire, rods, tubes or like semi-manufactured products by drawing Metal drawing by machines or apparatus in which the drawing action is effected by means other than drums, e.g. by a longitudinally-moved carriage pulling or pushing the work or stock for making metal sheets, rods or tubes specially adapted for making tubular articles (bending sheet metal into tubular form by drawing B21D 5/1) by means of mandrels (mandrels B21C 3/16)

Recent Patents

Patent #TitleFiling DateIssue DatePatent Owner
11980929 Manufacturing method for hollow rack bar and hollow rack bar manufacturing apparatusNov 15, 18May 14, 24Neturen Co. Ltd.
11969368 Lumen stent and preform thereof, and methods for preparing the lumen stent and preform thereofJul 07, 22Apr 30, 24Biotyx Medical (Shenzhen) Co. Ltd.
11873944 Tubular element for gas pressure vessel, gas pressure vessel and method of manufacturing a tubular elementSep 20, 19Jan 16, 24Benteler Steel/Tube GmbH
11590547 Method of manufacturing variable wall thickness steel pipe and variable wall thickness steel pipeFeb 14, 17Feb 28, 23501 Nippon Steel Corporation
11541450 Shaft for steering device, method of manufacturing shaft for steering device, and electric power steering deviceFeb 13, 18Jan 03, 23NSK LTD.
11389308 Lumen stent and preform thereof, and methods for preparing lumen stent and preform thereofNov 12, 15Jul 19, 22Biotyx Medical (Shenzhen) Co. Ltd.
11097325 Drawing machine for drawing tubesMar 06, 19Aug 24, 21Danieli & C. Officine Meccaniche S.p.A.
11084077 Tube structure and a method for manufacturing a tube structureJun 15, 18Aug 10, 21Sandvik Intellectual Property AB
11065135 Thin, narrow tube and drawing apparatus and drawing method for manufacturing the sameMar 19, 19Jul 20, 21NATIONAL INSTITUTE OF ADVANCED INDUSTRIAL SCIENCE AND TECHNOLOGY
11045896 Electric resistance welded steel pipe having identifiable seam portion and method for manufacturing the sameMay 06, 19Jun 29, 21JFE Steel Corporation
10941885 Process for producing a multilayer pipe having a metallurgical bond by drawing, and multilayer pipe produced by this processJul 23, 14Mar 09, 21VALLOUREC SOLUÇÕES TUBULARES DO BRASIL S.A.
10882090 Method for forming a hollow of a ferritic FeCrAl alloy into a tubeJun 22, 17Jan 05, 21SANDVIK MATERIALS TECHNOLOGY DEUTSCHLAND GMBH
10751644 Composite column for use in high pressure liquid chromatographyJan 29, 18Aug 25, 20Viant AS&O Holdings, LLC
10639690 Preparing a tube end for rod drawingFeb 21, 17May 05, 20SMS GROUP GMBH
10632521 Method for producing a rifled tubeNov 24, 15Apr 28, 20501 Nippon Steel Corporation; MITSUBISHI HITACHI POWER SYSTEMS, LTD.;
10583705 Twist-axle with longitudinally-varying wall thicknessMar 19, 18Mar 10, 20ARCELORMITTAL TUBULAR PRODUCTS CANADA G.P.
10543717 Variable-wall light-weight axle shaft with an integral flange member and method for making the sameMar 02, 17Jan 28, 20AAM INTERNATIONAL S.À R.L.
10533605 Method for producing an internally structured slide bearing bushingNov 09, 15Jan 14, 20Wieland Werke AG
10369655 Electric resistance welded steel pipe having identifiable seam portion and method for manufacturing the sameMar 01, 16Aug 06, 19JFE Steel Corporation
10328473 Drawing machine for drawing tubesNov 20, 14Jun 25, 19Danieli & C. Officine Meccaniche S.p.A.

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Recent Publications

Publication #TitleFiling DatePub DatePatent Owner
2025/0065,384 DEVICES AND METHOD FOR SHAPING A TUBULAR HOLLOW ELEMENTSep 21, 22Feb 27, 25FELSS Systems GmbH
2024/0261,119 Lumen Stent and Preform thereof, and Methods for Preparing the Lumen Stent and Preform thereofApr 17, 24Aug 08, 24Biotyx Medical (Shenzhen) Co. Ltd.
2023/0130,543 DRAWING MACHINE, DRAWING METHOD AND DRAWING MANDRELMar 26, 21Apr 27, 23SMS GROUP GMBH
2020/0038,927 A MANDREL ADJUSTMENT ASSEMBLY FOR A MULTI-WALL PIPE PRODUCTION MADE OF COATED METAL SHEETJan 17, 18Feb 06, 20Not available
2019/0193,131 A Method For Forming A Hollow Of A Ferritic FeCrAl Alloy Into A TubeJun 22, 17Jun 27, 19SANDVIK MATERIALS TECHNOLOGY DEUTSCHLAND GMBH
2018/0021,826 PREPARING A TUBE END FOR ROD DRAWINGFeb 21, 17Jan 25, 18SMS GROUP GMBH
2017/0128,993 Floating Draw Plug and Method of Drawing TubeNov 06, 15May 11, 17PENN ALUMINUM INTERNATIONAL LLC
2016/0273,683 PROCESS FOR PRODUCING A MULTILAYER PIPE HAVING A METALLURGICAL BOND BY DRAWING, AND MULTILAYER PIPE PRODUCED BY THIS PROCESSJul 23, 14Sep 22, 16VALLOUREC SOLUÇÕES TUBULARES DO BRASIL S.A.

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Top Owners in This Subclass

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