Shoulder or burr prevention

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B21D28/16

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BPERFORMING OPERATIONS TRANSPORTING B21Mechanical metalworking B21DWORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING METAL B21D28/00Shaping by press-cutting Perforating

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B21D28/16Shoulder or burr prevention

Industries

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Patents Grantslast 30 patents

Information Patent Grant
Blank, formed article, die assembly, and method for producing blank
- Patent number 11,904,374
- Issue date Feb 20, 2024
- Nippon Steel Corporation
- Takashi Matsuno
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Grant
Metal parts blanking process for rotor and stator of an electric motor
- Patent number 11,752,537
- Issue date Sep 12, 2023
- Robert Bosch GmbH
- Sipke Koopmans
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Grant
Device for manufacturing laminated iron core and method for manufac...
- Patent number 11,524,327
- Issue date Dec 13, 2022
- Mitsui High-Tec, Inc.
- Takashi Maruyama
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Grant
Fine blanking method and device for forming friction plates with fr...
- Patent number 11,498,110
- Issue date Nov 15, 2022
- Southwest Technology and Engineering Research Institute
- Qiang Chen
- B22 - CASTING POWDER METALLURGY
Information Patent Grant
Method for manufacturing power pin of power interface without remov...
- Patent number 11,489,308
- Issue date Nov 1, 2022
- GUANGDONG OPPO MOBILE TELECOMMUNICATIONS CORP., LTD.
- Guodong Gu
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Grant
Fine blanking press and method for handling a process material to b...
- Patent number 11,484,931
- Issue date Nov 1, 2022
- Lapmaster Wolters GmbH
- Jose Lozano Bonet
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Grant
Method for manufacturing power interface
- Patent number 11,431,143
- Issue date Aug 30, 2022
- GUANGDONG OPPO MOBILE TELECOMMUNICATIONS CORP., LTD.
- Feifei Li
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Grant
Method for operating a fine blanking system
- Patent number 11,331,711
- Issue date May 17, 2022
- Lapmaster Wolters GmbH
- Jose Lozano Bonet
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Grant
Method for cutting metal plate, method for manufacturing metal prod...
- Patent number 11,247,256
- Issue date Feb 15, 2022
- Takashi Iiduka
- B60 - VEHICLES IN GENERAL
Information Patent Grant
Cutting method using a stamping press
- Patent number 11,224,908
- Issue date Jan 18, 2022
- Nippon Steel Corporation
- Takashi Yasutomi
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Protrusion molding device, protrusion molding method, and molded ar...
- Patent number 11,224,909
- Issue date Jan 18, 2022
- Nippon Steel Corporation
- Shinnosuke Nishijima
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Grant
Process for blanking of metal parts
- Patent number 11,135,635
- Issue date Oct 5, 2021
- Robert Bosch GmbH
- Sipke Koopmans
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Trimming die for casting of front steering knuckle in double-wishbo...
- Patent number 11,123,786
- Issue date Sep 21, 2021
- CITIC Dicastal CO., LTD.
- Zuo Xu
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Grant
Progressive die machine and method for manufacturing laminated iron...
- Patent number 11,065,665
- Issue date Jul 20, 2021
- KURODA PRECISION INDUSTRIES LTD
- Hideo Horii
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Grant
Method for producing stamped parts
- Patent number 11,059,087
- Issue date Jul 13, 2021
- Feintool International Holding AG
- Sven Hofstetter
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Grant
Hot-formed metal sheet and method of producing an opening in such a...
- Patent number 11,027,325
- Issue date Jun 8, 2021
- Benteler Automobiltechnik GmbH
- Markus Kettler
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Grant
Metal element for continuously variable transmission and method of...
- Patent number 10,935,102
- Issue date Mar 2, 2021
- Honda Motor Co., Ltd.
- Toru Yagasaki
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Grant
Method for producing a clamping ring
- Patent number 10,835,946
- Issue date Nov 17, 2020
- Hugo Benzing GmbH & Co. KG
- Horst Gutscher
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Grant
Punching device, punch and method
- Patent number 10,722,958
- Issue date Jul 28, 2020
- Activos Industriales Madama, S.L.
- Alberto José Herrero
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Mobile terminal, power interface, and method for manufacturing powe...
- Patent number 10,720,743
- Issue date Jul 21, 2020
- GUANGDONG OPPO MOBILE TELECOMMUNICATIONS CORP., LTD
- Guodong Gu
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Grant
Apparatus and method for stripping away/pushing out a punched grid/...
- Patent number 10,682,782
- Issue date Jun 16, 2020
- Feintool International Holding AG
- Hans-Ruedi Honegger
- B26 - HAND CUTTING TOOLS CUTTING SEVERING
Information Patent Grant
Shearing method
- Patent number 10,639,698
- Issue date May 5, 2020
- Nippon Steel Corporation
- Takashi Yasutomi
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Grant
Shearing method
- Patent number 10,639,699
- Issue date May 5, 2020
- Nippon Steel Corporation
- Takashi Yasutomi
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Grant
Blank, formed article, die assembly, and method for producing blank
- Patent number 10,625,325
- Issue date Apr 21, 2020
- Nippon Steel Corporation
- Takashi Matsuno
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Grant
Burring method and burring apparatus
- Patent number 10,562,091
- Issue date Feb 18, 2020
- Nippon Steel Corporation
- Satoshi Shirakami
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Grant
Stamping method and stamping apparatus
- Patent number 10,478,886
- Issue date Nov 19, 2019
- Toyota Boshoku Kabushiki Kaisha
- Kazuyuki Hirata
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Grant
Fine blanking cam die
- Patent number 10,456,821
- Issue date Oct 29, 2019
- Magna Powertrain Inc.
- Harold Vahle
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Grant
Manufacturing method and manufacturing device of sheared components
- Patent number 10,335,846
- Issue date Jul 2, 2019
- Nippon Steel & Sumitomo Metal Corporation
- Takashi Matsuno
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Grant
Punching processing method, method of manufacturing press-formed pr...
- Patent number 10,315,240
- Issue date Jun 11, 2019
- JX Nippon Mining & Metals Corporation
- Kazutaka Masai
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Grant
Cutting device for metal foil
- Patent number 10,259,032
- Issue date Apr 16, 2019
- Nissan Motor Co., Ltd.
- Jun Ikeuchi
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...

Patents Applicationslast 30 patents

Information Patent Application
CUTTING APPARATUS AND MULTI-LAYERED MATERIAL
- Publication number 20240390998
- Publication date Nov 28, 2024
- NIPPON STEEL CORPORATION
- Satoru YAMASHITA
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Application
PRESS-FORMED PRODUCT, ROLLING BEARING, VEHICLE, MACHINE, PRESS-FORM...
- Publication number 20240342784
- Publication date Oct 17, 2024
- NSK Ltd.
- Seiji NAKAMURA
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Application
BLANK, FORMED ARTICLE, DIE ASSEMBLY, AND METHOD FOR PRODUCING BLANK
- Publication number 20240238862
- Publication date Jul 18, 2024
- NIPPON STEEL CORPORATION
- Takashi MATSUNO
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Application
METAL SHEET SHEARING WORK METHOD, PRESSED COMPONENT MANUFACTURING M...
- Publication number 20230264248
- Publication date Aug 24, 2023
- JFE STEEL CORPORATION
- Yuichi MATSUKI
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Application
MULTI-LAYER BLANKING PROCESS AND DEVICE FOR THE MANUFACTURE OF META...
- Publication number 20220008980
- Publication date Jan 13, 2022
- ROBERT BOSCH GmbH
- Sipke Koopmans
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Application
FINE BLANKING METHOD AND DEVICE FOR FORMING FRICTION PLATES WITH FR...
- Publication number 20210316354
- Publication date Oct 14, 2021
- Southwest Technology and Engineering Research Institute
- Qiang CHEN
- B22 - CASTING POWDER METALLURGY
Information Patent Application
METHOD FOR OPERATING A PROCESSING INSTALLATION WITH A MOVABLE PUNCH
- Publication number 20210086250
- Publication date Mar 25, 2021
- Maximilian Lorenz
- B26 - HAND CUTTING TOOLS CUTTING SEVERING
Information Patent Application
BLANK, FORMED ARTICLE, DIE ASSEMBLY, AND METHOD FOR PRODUCING BLANK
- Publication number 20200230682
- Publication date Jul 23, 2020
- NIPPON STEEL CORPORATION
- Takashi MATSUNO
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Application
METHOD FOR CUTTING METAL PLATE, METHOD FOR MANUFACTURING METAL PROD...
- Publication number 20200130041
- Publication date Apr 30, 2020
- Takashi IIDUKA
- B60 - VEHICLES IN GENERAL
Information Patent Application
FINE BLANKING PRESS AND METHOD FOR HANDLING A PROCESS MATERIAL TO B...
- Publication number 20200009633
- Publication date Jan 9, 2020
- Lapmaster Wolters GmbH
- Jose Lozano Bonet
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Application
METHOD FOR MACHINING A SHEET-METAL PROFILE
- Publication number 20190291160
- Publication date Sep 26, 2019
- BENTELER AUTOMOBILTECHNIK GMBH
- Guenter FORTMEIER
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Application
PROCESS FOR BLANKING OF METAL PARTS
- Publication number 20190151926
- Publication date May 23, 2019
- ROBERT BOSCH GmbH
- Sipke KOOPMANS
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Application
SHEARING METHOD
- Publication number 20190060973
- Publication date Feb 28, 2019
- NIPPON STEEL & SUMITOMO METAL CORPORATION
- Takashi YASUTOMI
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Application
SHEARING METHOD
- Publication number 20180333760
- Publication date Nov 22, 2018
- NIPPON STEEL & SUMITOMO METAL CORPORATION
- Takashi YASUTOMI
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Application
CUTTING DEVICE AND CUTTING METHOD
- Publication number 20180272407
- Publication date Sep 27, 2018
- NIPPON STEEL & SUMITOMO METAL CORPORATION
- Ryuichi NISHIMURA
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Application
PUNCHING DEVICE, PUNCH AND METHOD
- Publication number 20180071842
- Publication date Mar 15, 2018
- Maquinaria GEKA, S.A.
- Alberto José HERRERO
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Application
Punching Processing Method, Method of Manufacturing Press-formed Pr...
- Publication number 20180036785
- Publication date Feb 8, 2018
- JX NIPPON MINING & METALS CORPORATION
- Kazutaka Masai
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Application
PROGRESSIVE DIE MACHINE AND METHOD FOR MANUFACTURING LAMINATED IRON...
- Publication number 20170361369
- Publication date Dec 21, 2017
- KURODA PRECISION INDUSTRIES LTD.
- Hideo HORII
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Application
BLANK, FORMED ARTICLE, DIE ASSEMBLY, AND METHOD FOR PRODUCING BLANK
- Publication number 20170320122
- Publication date Nov 9, 2017
- NIPPON STEEL & SUMITOMO METAL CORPORATION
- Takashi MATSUNO
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Application
METHOD FOR PRODUCING A CLAMPING RING
- Publication number 20170246675
- Publication date Aug 31, 2017
- Hugo Benzing GMBH & CO. KG
- Horst GUTSCHER
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Application
Fine Blanking Cam Die
- Publication number 20170106427
- Publication date Apr 20, 2017
- Magna Powertrain Inc.
- Harold VAHLE
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Application
PRECISION BLANKING PRESS
- Publication number 20170008062
- Publication date Jan 12, 2017
- Feintool International Holding AG
- Hans-Ruedi HONEGGER
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Application
BURRING METHOD AND BURRING APPARATUS
- Publication number 20160339501
- Publication date Nov 24, 2016
- NIPPON STEEL & SUMITOMO METAL CORPORATION
- Satoshi SHIRAKAMI
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Application
STEPPED PUNCH
- Publication number 20160256913
- Publication date Sep 8, 2016
- Martinrea Industries, Inc.
- Matthew Townsend
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Application
APPARATUS AND METHOD OF SHEARING FOR QUALITY IMPROVEMENT FOR STEEL...
- Publication number 20160207088
- Publication date Jul 21, 2016
- Hyundai Motor Company
- Chang-Woo Park
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Application
DEVICE AND METHOD FOR SHAPING SHEARED EDGES ON STAMPED OR FINE-BLAN...
- Publication number 20160052039
- Publication date Feb 25, 2016
- Feintool International Holding AG
- Andreas MARTI
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Application
TROUGH-FORM FINE BLANKING DEVICE
- Publication number 20150122101
- Publication date May 7, 2015
- Cheng-Ping Wang
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Application
METHOD AND DEVICE FOR PRECISION CUTTING OF WORKPIECES IN A PRESS
- Publication number 20150068375
- Publication date Mar 12, 2015
- WEBO Werkzeugbau Oberschwaben GmbH
- Norbert ZIESEL
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Application
Pneumatic stamping press with high velocity slide and punch
- Publication number 20140230514
- Publication date Aug 21, 2014
- John B. Bonhorst
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Application
FINE EDGE BRAKE BACKING PLATE
- Publication number 20140216868
- Publication date Aug 7, 2014
- Ray ARBESMAN
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...

Shoulder or burr prevention

Industry

Parent Industries

Current Industry

Patents Grantslast 30 patents

Blank, formed article, die assembly, and method for producing blank

Metal parts blanking process for rotor and stator of an electric motor

Device for manufacturing laminated iron core and method for manufac...

Fine blanking method and device for forming friction plates with fr...

Method for manufacturing power pin of power interface without remov...

Fine blanking press and method for handling a process material to b...

Method for manufacturing power interface

Method for operating a fine blanking system

Method for cutting metal plate, method for manufacturing metal prod...

Cutting method using a stamping press

Protrusion molding device, protrusion molding method, and molded ar...

Process for blanking of metal parts

Trimming die for casting of front steering knuckle in double-wishbo...

Progressive die machine and method for manufacturing laminated iron...

Method for producing stamped parts

Hot-formed metal sheet and method of producing an opening in such a...

Metal element for continuously variable transmission and method of...

Method for producing a clamping ring

Punching device, punch and method

Mobile terminal, power interface, and method for manufacturing powe...

Apparatus and method for stripping away/pushing out a punched grid/...

Shearing method

Shearing method

Blank, formed article, die assembly, and method for producing blank

Burring method and burring apparatus

Stamping method and stamping apparatus

Fine blanking cam die

Manufacturing method and manufacturing device of sheared components

Punching processing method, method of manufacturing press-formed pr...

Cutting device for metal foil

Patents Applicationslast 30 patents

CUTTING APPARATUS AND MULTI-LAYERED MATERIAL

PRESS-FORMED PRODUCT, ROLLING BEARING, VEHICLE, MACHINE, PRESS-FORM...

BLANK, FORMED ARTICLE, DIE ASSEMBLY, AND METHOD FOR PRODUCING BLANK

METAL SHEET SHEARING WORK METHOD, PRESSED COMPONENT MANUFACTURING M...

MULTI-LAYER BLANKING PROCESS AND DEVICE FOR THE MANUFACTURE OF META...

FINE BLANKING METHOD AND DEVICE FOR FORMING FRICTION PLATES WITH FR...

METHOD FOR OPERATING A PROCESSING INSTALLATION WITH A MOVABLE PUNCH

BLANK, FORMED ARTICLE, DIE ASSEMBLY, AND METHOD FOR PRODUCING BLANK

METHOD FOR CUTTING METAL PLATE, METHOD FOR MANUFACTURING METAL PROD...

FINE BLANKING PRESS AND METHOD FOR HANDLING A PROCESS MATERIAL TO B...

METHOD FOR MACHINING A SHEET-METAL PROFILE

PROCESS FOR BLANKING OF METAL PARTS

SHEARING METHOD

SHEARING METHOD

CUTTING DEVICE AND CUTTING METHOD

PUNCHING DEVICE, PUNCH AND METHOD

Punching Processing Method, Method of Manufacturing Press-formed Pr...

PROGRESSIVE DIE MACHINE AND METHOD FOR MANUFACTURING LAMINATED IRON...

BLANK, FORMED ARTICLE, DIE ASSEMBLY, AND METHOD FOR PRODUCING BLANK

METHOD FOR PRODUCING A CLAMPING RING

Fine Blanking Cam Die

PRECISION BLANKING PRESS

BURRING METHOD AND BURRING APPARATUS

STEPPED PUNCH

APPARATUS AND METHOD OF SHEARING FOR QUALITY IMPROVEMENT FOR STEEL...

DEVICE AND METHOD FOR SHAPING SHEARED EDGES ON STAMPED OR FINE-BLAN...

TROUGH-FORM FINE BLANKING DEVICE

METHOD AND DEVICE FOR PRECISION CUTTING OF WORKPIECES IN A PRESS

Pneumatic stamping press with high velocity slide and punch

FINE EDGE BRAKE BACKING PLATE