B21C 1/24

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Showing 1 to 20 of 57 results

Patent/Pub #TitleFiling DateIssue/Publication DatePatent Owner
9919572 Twist-axle with longitudinally-varying wall thicknessJun 06, 13Mar 20, 18ARCELORMITTAL TUBULAR PRODUCTS CANADA INC.
9707614 Tube expanding method for manufacturing metal tubeMay 29, 12Jul 18, 17JFE STEEL CORPORATION
9670951 Variable-wall light-weight axle shaft with an integral flange member and method for making the sameApr 08, 14Jun 06, 17A.A.M INTERNATIONAL S.A.R.L., AAM INTERNATIONAL S.À R.L.,
9636727 Device for drawing tubular workpieceAug 20, 09May 02, 17SHOWA DENKO K.K.
9546746 Tubular support structure with variable wall thicknessJan 06, 14Jan 17, 17L & W ENGINEERING
9400009 Method for forming a variable wall light weight axle shaft with friction welded flangeApr 08, 14Jul 26, 16AAM INTERNATIONAL S.À R.L.
9375769 Method for manufacturing drive shaftJul 09, 14Jun 28, 16JUNG, JONG-HOON
9227235 Method for producing a small thin-walled tube from a magnesium alloyMay 19, 10Jan 05, 16LKR LEICHTMETALLKOMPETENZZENTRUM RANSHOFEN GMBH
9150073 Twist-axle with longitudinally-varying wall thicknessOct 31, 12Oct 06, 15ARCELORMITTAL TUBULAR PRODUCTS CANADA INC.
9079232 Linear drawing machine and method for linear drawing of a workpiece through a drawing ringJun 12, 13Jul 14, 15SMS GROUP GMBH
8869874 Manufacturing method for a multi-channel copper tube, and manufacturing apparatus for the tubeNov 16, 12Oct 28, 14MITSUBISHI MATERIALS CORPORATION
8387251 Production method of internally ribbed steel tubeApr 15, 10Mar 05, 13SUMITOMO METAL INDUSTRIES, LTD.
8281635 Production method of internally ribbed steel tube and drawing plug for use thereinJun 25, 10Oct 09, 12SUMITOMO METAL INDUSTRIES, LTD.
8245553 Method of producing ultrathin-wall seamless metal tube using floating plugJun 02, 11Aug 21, 12SUMITOMO METAL INDUSTRIES, LTD.
8230597 Forming preforms and parts therefromOct 03, 08Jul 31, 12FORD GLOBAL TECHNOLOGIES, LLC, FORD MOTOR COMPANY,
8210017 Steel pipe drawing apparatus and drawn steel pipe manufacturing methodJan 13, 10Jul 03, 12SANWA KOKAN CO., LTD.
8141404 Method of manufacturing structural components from tube blanks of variable wall thicknessApr 04, 02Mar 27, 12ARCELORMITTAL TUBULAR PRODUCTS CANADA INC.
8141405 Method for producing ultra thin wall metallic tube with cold working processOct 01, 08Mar 27, 12SUMITOMO METAL INDUSTRIES, LTD.
8074482 Plug for cold drawing and method for manufacturing of metal pipeJan 21, 10Dec 13, 11SUMITOMO METAL INDUSTRIES, LTD.
7861571 Trapped ball draw process for reducing the diameter of tubingNov 10, 08Jan 04, 11Not available

Showing 1 to 20 of 57 results