B21B 1/085

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Description

Class  B21B : ROLLING OF METAL


Subclass 1/085: Metal rolling methods or mills for making semi-finished products of solid or profiled cross-section (B21B 17/00-B21B 23/00 take precedence; with respect to composition of material to be rolled B21B 3/00; extending closed shapes of metal bands by simultaneous rolling at two or more zones B21B 5/00; metal-rolling stands as units B21B 13/00; continuous casting into moulds having walls formed by moving rolls B22D 11/06); Sequence of operations in milling trains; Layout of rolling-mill plant, e.g. grouping of stands; Succession of passes or of sectional pass alternations for rolling work of special cross-section, e.g. angle steel (rolling metal of indefinite length in repetitive shapes specially designed for the manufacture of particular objects B21H 8/00) Rail sections

Recent Patents

Patent #TitleFiling DateIssue DatePatent Owner
12264373 Rail and method of manufacturing railAug 21, 19Apr 01, 25501 Nippon Steel Corporation
12011748 Generating device based on friction drive for gear involute artifact with long-rolled path length by rolling methodJun 30, 21Jun 18, 24DALIAN UNIVERSITY OF TECHNOLOGY
11925966 Forging press for hot forging of asymmetric to symmetric rail and process of forging thereofJun 14, 22Mar 12, 24Not available
10850315 High-toughness and plasticity hypereutectoid rail and manufacturing method thereofOct 09, 18Dec 01, 20PANGANG GROUP RESEARCH INSTITUTE CO., LTD.
10563278 Rail manufacturing method and manufacturing equipmentNov 05, 18Feb 18, 20JFE Steel Corporation
10214795 Rail manufacturing method and manufacturing equipmentMar 25, 14Feb 26, 19JFE Steel Corporation
9724741 Drum, system and method for handling long rolled products coming from different strands of a rolling millJun 26, 14Aug 08, 17PRIMETALS TECHNOLOGIES AUSTRIA GMBH
9499874 Handling machine for rails and handling process associated theretoFeb 03, 10Nov 22, 16DANIELI & C. OFFICINE MECCANICHE S.P.A.
9255304 Cooling system and cooling method of rolling steelMar 24, 14Feb 09, 16NIPPON STEEL & SUMITOMO METAL CORPORATION
9168575 No-slit hot rolling of railroad railsApr 14, 15Oct 27, 15W. Silver Inc.
9157131 High carbon content and high strength heat-treated steel rail and method for producing the sameNov 23, 10Oct 13, 15PANGANG GROUP PANZHIHUA STEEL & VANADIUM CO., LTD., PANGANG GROUP COMPANY LTD., Pangang Group Research Institute Co., Ltd.,
9067248 No-slit hot rolling of railroad railsSep 28, 11Jun 30, 15W. Silver Inc.
8980019 Steel rail and method of manufacturing the sameJun 07, 11Mar 17, 15NIPPON STEEL & SUMITOMO METAL CORPORATION

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Recent Publications

Publication #TitleFiling DatePub DatePatent Owner
2024/0328,575 CAST-IN SOFFIT CONNECTION RAILMar 31, 24Oct 03, 24Not available
2024/0068,063 MODERATE-STRENGTH STEEL RAIL AND PRODUCTION METHOD THEREOFJun 30, 22Feb 29, 24Not available
2023/0166,309 FORGING PRESS FOR HOT FORGING OF ASYMMETRIC TO SYMMETRIC RAIL AND PROCESS OF FORGING THEREOFJun 14, 22Jun 01, 23Not available
2019/0105,694 HIGH-CARBON AND HIGH-STRENGTH AND TOUGHNESS PEARLITIC RAIL AND MANUFACTURING METHOD THEREOFOct 09, 18Apr 11, 19Not available
2019/0105,693 HIGH-TOUGHNESS AND PLASTICITY HYPEREUTECTOID RAIL AND MANUFACTURING METHOD THEREOFOct 09, 18Apr 11, 19Not available
2017/0283,895 RAIL MANUFACTURING METHOD AND RAIL MANUFACTURING APPARATUSSep 10, 15Oct 05, 17JFE STEEL CORPORATION

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Patents Issued To Date - By Filing Year

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