CN103180078B - 用于铣削带齿传动元件的齿的齿铣削刀具和方法 - Google Patents

用于铣削带齿传动元件的齿的齿铣削刀具和方法 Download PDF

Info

Publication number
CN103180078B
CN103180078B CN201180050933.6A CN201180050933A CN103180078B CN 103180078 B CN103180078 B CN 103180078B CN 201180050933 A CN201180050933 A CN 201180050933A CN 103180078 B CN103180078 B CN 103180078B
Authority
CN
China
Prior art keywords
milling tool
tooth
cutting
axis
milling
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
CN201180050933.6A
Other languages
English (en)
Chinese (zh)
Other versions
CN103180078A (zh
Inventor
斯特凡·谢尔巴特
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Sandvik Intellectual Property AB
Original Assignee
Sandvik Intellectual Property AB
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Sandvik Intellectual Property AB filed Critical Sandvik Intellectual Property AB
Publication of CN103180078A publication Critical patent/CN103180078A/zh
Application granted granted Critical
Publication of CN103180078B publication Critical patent/CN103180078B/zh
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23FMAKING GEARS OR TOOTHED RACKS
    • B23F5/00Making straight gear teeth involving moving a tool relatively to a workpiece with a rolling-off or an enveloping motion with respect to the gear teeth to be made
    • B23F5/20Making straight gear teeth involving moving a tool relatively to a workpiece with a rolling-off or an enveloping motion with respect to the gear teeth to be made by milling
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23FMAKING GEARS OR TOOTHED RACKS
    • B23F1/00Making gear teeth by tools of which the profile matches the profile of the required surface
    • B23F1/06Making gear teeth by tools of which the profile matches the profile of the required surface by milling
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23FMAKING GEARS OR TOOTHED RACKS
    • B23F21/00Tools specially adapted for use in machines for manufacturing gear teeth
    • B23F21/12Milling tools
    • B23F21/122Milling tools having a shape similar to that of a gear or part thereof, with cutting edges situated on the tooth contour lines
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23FMAKING GEARS OR TOOTHED RACKS
    • B23F21/00Tools specially adapted for use in machines for manufacturing gear teeth
    • B23F21/12Milling tools
    • B23F21/126Milling tools with inserted cutting elements
    • B23F21/128Milling tools with inserted cutting elements in exchangeable arrangement
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23FMAKING GEARS OR TOOTHED RACKS
    • B23F21/00Tools specially adapted for use in machines for manufacturing gear teeth
    • B23F21/12Milling tools
    • B23F21/14Profile cutters of disc type
    • B23F21/143Profile cutters of disc type with inserted cutting elements
    • B23F21/146Profile cutters of disc type with inserted cutting elements in exchangeable arrangement
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23FMAKING GEARS OR TOOTHED RACKS
    • B23F21/00Tools specially adapted for use in machines for manufacturing gear teeth
    • B23F21/12Milling tools
    • B23F21/14Profile cutters of disc type
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23FMAKING GEARS OR TOOTHED RACKS
    • B23F5/00Making straight gear teeth involving moving a tool relatively to a workpiece with a rolling-off or an enveloping motion with respect to the gear teeth to be made
    • B23F5/20Making straight gear teeth involving moving a tool relatively to a workpiece with a rolling-off or an enveloping motion with respect to the gear teeth to be made by milling
    • B23F5/202Making straight gear teeth involving moving a tool relatively to a workpiece with a rolling-off or an enveloping motion with respect to the gear teeth to be made by milling the tool having a shape similar to that of a gear or part thereof, with cutting edges situated on the tooth contour lines
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10TTECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T407/00Cutters, for shaping
    • Y10T407/23Cutters, for shaping including tool having plural alternatively usable cutting edges
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10TTECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T407/00Cutters, for shaping
    • Y10T407/23Cutters, for shaping including tool having plural alternatively usable cutting edges
    • Y10T407/235Cutters, for shaping including tool having plural alternatively usable cutting edges with integral chip breaker, guide or deflector
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10TTECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T409/00Gear cutting, milling, or planing
    • Y10T409/10Gear cutting
    • Y10T409/101431Gear tooth shape generating
    • Y10T409/103816Milling with radial faced tool
    • Y10T409/103975Process
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10TTECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T409/00Gear cutting, milling, or planing
    • Y10T409/10Gear cutting
    • Y10T409/101431Gear tooth shape generating
    • Y10T409/103816Milling with radial faced tool
    • Y10T409/104134Adapted to cut bevel gear
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10TTECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T409/00Gear cutting, milling, or planing
    • Y10T409/10Gear cutting
    • Y10T409/101431Gear tooth shape generating
    • Y10T409/103816Milling with radial faced tool
    • Y10T409/104134Adapted to cut bevel gear
    • Y10T409/104293Adapted to cut bevel gear with means to continuously rotate work and means to co-form all teeth of gear
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10TTECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T409/00Gear cutting, milling, or planing
    • Y10T409/10Gear cutting
    • Y10T409/101431Gear tooth shape generating
    • Y10T409/103816Milling with radial faced tool
    • Y10T409/104134Adapted to cut bevel gear
    • Y10T409/104452Bevel gear having nonparallel opposing tooth flanks
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10TTECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T409/00Gear cutting, milling, or planing
    • Y10T409/10Gear cutting
    • Y10T409/107791Using rotary cutter
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10TTECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T409/00Gear cutting, milling, or planing
    • Y10T409/10Gear cutting
    • Y10T409/107791Using rotary cutter
    • Y10T409/10795Process

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Gear Processing (AREA)
  • Milling Processes (AREA)
CN201180050933.6A 2010-10-22 2011-10-14 用于铣削带齿传动元件的齿的齿铣削刀具和方法 Active CN103180078B (zh)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE102010042835.3 2010-10-22
DE102010042835A DE102010042835A1 (de) 2010-10-22 2010-10-22 Zahnfräser und Verfahren zum Fräsen der Zähne von Zahngetriebeelementen
PCT/EP2011/068036 WO2012052367A1 (de) 2010-10-22 2011-10-14 Zahnfräser und verfahren zum fräsen der zähne von zahngetriebeelementen

Publications (2)

Publication Number Publication Date
CN103180078A CN103180078A (zh) 2013-06-26
CN103180078B true CN103180078B (zh) 2016-03-09

Family

ID=44906039

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201180050933.6A Active CN103180078B (zh) 2010-10-22 2011-10-14 用于铣削带齿传动元件的齿的齿铣削刀具和方法

Country Status (11)

Country Link
US (1) US9352406B2 (enExample)
EP (1) EP2629917B1 (enExample)
JP (1) JP6010038B2 (enExample)
KR (2) KR102063018B1 (enExample)
CN (1) CN103180078B (enExample)
BR (1) BR112013009764A2 (enExample)
CA (1) CA2812861C (enExample)
DE (1) DE102010042835A1 (enExample)
MX (1) MX346788B (enExample)
RU (1) RU2567073C2 (enExample)
WO (1) WO2012052367A1 (enExample)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111839674A (zh) * 2020-08-26 2020-10-30 陈雪梅 一种宫腔镜组织切除装置

Families Citing this family (24)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104662331B (zh) * 2012-09-21 2018-12-14 恩普乐股份有限公司 齿轮
EP2792442B1 (de) * 2013-04-17 2018-08-22 Klingelnberg AG Wälzschälwerkzeug zum Wälzschälen einer Verzahnung an einem Kronenradwerkstück
JP6557215B2 (ja) * 2013-04-22 2019-08-07 ザ グリーソン ワークス 円筒歯車のスカイビング加工
SE1350983A1 (sv) * 2013-08-27 2015-02-28 Sandvik Intellectual Property Verktyg och skär för skalfräsning
US9902003B2 (en) 2014-02-03 2018-02-27 Citizen Watch Co., Ltd. Machining device and machining method
CN103920941B (zh) * 2014-03-31 2017-03-01 宁波川景誉机械科技发展有限公司 齿轮铣刀装置
USD777230S1 (en) 2015-07-16 2017-01-24 Kennametal Inc Double-sided tangential cutting insert
USD778330S1 (en) 2015-07-16 2017-02-07 Kennametal Inc. Double-sided tangential cutting insert
US9981323B2 (en) 2015-07-16 2018-05-29 Kennametal Inc. Double-sided tangential cutting insert and cutting tool system using the same
EP3243588B1 (en) * 2015-07-24 2020-11-18 Yamazaki Mazak Corporation Method of machininga groove portion
DE102016101145B4 (de) * 2016-01-22 2019-06-27 Hartmetall-Werkzeugfabrik Paul Horn Gmbh Fräswerkzeug
EP3287221B1 (de) * 2016-08-23 2019-04-24 Klingelnberg AG Verfahren zur bearbeitung der zahnflanken von plankupplungs-werkstücken im semi-completing einzelteilverfahren
EP3287222A1 (de) * 2016-08-23 2018-02-28 Klingelnberg AG Verfahren zur bearbeitung der zahnflanken von plankupplungs-werkstücken im semi-completing verfahren
TWI768142B (zh) * 2017-11-29 2022-06-21 以色列商艾斯卡公司 具有向內偏置嵌件接納槽的開槽刀具本體、及具有該本體的旋轉槽切削刀具
DE102017129651A1 (de) 2017-12-12 2019-06-13 Liebherr-Verzahntechnik Gmbh Verfahren zur Verzahnbearbeitung eines Werkstücks
EP3525175A1 (en) * 2018-02-09 2019-08-14 Dassault Systèmes Designing a part manufacturable by milling operations
CN111267268A (zh) * 2019-09-21 2020-06-12 石河子大学 一种碟形齿刀式棉田机收膜杂混料破碎刀
CN110756872B (zh) * 2019-11-13 2021-12-21 中国航发动力股份有限公司 一种渐变截面的节流槽的加工方法
CN111468789A (zh) * 2020-06-10 2020-07-31 温岭市漫威工具科技合伙企业(有限合伙) 一种加工齿轮的车齿刀
DE102021102098A1 (de) * 2021-01-29 2022-08-04 Präwema Antriebstechnik GmbH Werkzeug und Verfahren zum Erzeugen von Hinterlegungen an den Zähnen einer Verzahnung eines Zahnrads
RU2763831C1 (ru) * 2021-07-13 2022-01-11 Публичное акционерное общество "КАМАЗ" Способ обработки зубьев зубчатых колес дисковым лезвийным инструментом
CN113618175B (zh) * 2021-09-13 2024-04-12 哈尔滨山纳工具制造有限公司 一种可调模数的齿轮粗铣刀
CN114193193A (zh) * 2021-12-29 2022-03-18 东莞市伟峰新材料科技有限公司 一种显卡散热器主体表面异形纹理的加工装置
CN117505953B (zh) * 2024-01-03 2024-04-02 常州精诺工具制造有限公司 一种机床用刀具

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1516524A (en) * 1918-08-29 1924-11-25 Fellows Gear Shaper Co Gear generating cutting machine
CN1419483A (zh) * 2000-02-12 2003-05-21 山特维克有限公司 切削插入件和相应的铣刀
CN1505552A (zh) * 1999-12-01 2004-06-16 ���Ͽع����޹�˾ 锥齿轮加工方法

Family Cites Families (26)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DD7287A (enExample) *
US1133516A (en) * 1914-04-13 1915-03-30 Timken Axle Co Detroit Machine for cutting spiral teeth on conical gear-blanks.
US1788639A (en) * 1928-03-22 1931-01-13 Harold E Stonebraker Method of cutting curved-tooth gears
US1899023A (en) * 1930-12-24 1933-02-28 Gleason Works Gear cutter
US1940703A (en) * 1931-08-10 1933-12-26 Gleason Works Method of and machine for producing gears
US2126004A (en) * 1934-02-15 1938-08-09 Gleason Works Cutter for and method of cutting gears
US2248158A (en) * 1939-12-20 1941-07-08 Fairfield Mfg Company Curved tooth gear and pinion wheels
US3091059A (en) * 1959-10-09 1963-05-28 Parsons & Marine Eng Turbine Means for generating involute gears
SU129461A1 (ru) * 1959-10-28 1959-11-30 М.З. Мильштейн Способ обработки зубьев шестерен обкаткой путем фрезеровани , долблени , прот гивани и т.п.
US3618459A (en) 1969-08-08 1971-11-09 Bird Island Inc Gear making
CA943749A (en) * 1971-07-19 1974-03-19 Ingersoll Milling Machine Company (The) Indexable cutting insert
JPS5431434Y2 (enExample) * 1974-07-17 1979-10-01
DE2641554C3 (de) * 1976-09-15 1981-06-25 Maag-Zahnräder & -Maschinen AG, 8023 Zürich Vorrichtung zum Wälzschleifen zylindrischer Zahnräder
US4565474A (en) 1980-11-01 1986-01-21 The Ingersoll Milling Machine Company Method of generating involute tooth forms with a milling cutter
CH655880A5 (de) 1982-02-02 1986-05-30 Maag Zahnraeder & Maschinen Ag Werkzeug zur zerspanenden bearbeitung von zahnflanken.
US4750848A (en) 1986-08-14 1988-06-14 Harold Adler Involute gear cutter
JPH02131813A (ja) 1988-11-02 1990-05-21 Takashi Utsunomiya 傘歯車の歯切装置
RU2005020C1 (ru) * 1990-04-10 1993-12-30 Научно-исследовательский институт технологии и организации производства двигателей Способ изготовлени и контрол конических зубчатых пар
JP2002307236A (ja) 2001-04-18 2002-10-23 Komatsu Ltd すぐばかさ歯車製造装置及びすぐばかさ歯車製造方法
US7059810B2 (en) 2002-04-18 2006-06-13 Kennametal Inc. Gear hobbing cutter system
EP1497085B1 (en) 2002-04-18 2009-11-18 Kennametal Inc. Gear hobbing cutter system
DE102004056171A1 (de) 2004-11-20 2006-06-14 Wera-Werk Hermann Werner Gmbh & Co. Kg Vorrichtung und Verfahren zum Verzahnen von Werkstücken, insbesondere mit einer Stirnverzahnung
US7736099B2 (en) * 2005-12-16 2010-06-15 Cole Carbide Industries, Inc. Gear milling tool with replaceable cutting inserts
NO2121223T3 (enExample) * 2007-02-26 2018-04-21
DE102008063858A1 (de) 2008-12-19 2010-07-01 Gebr. Heller Maschinenfabrik Gmbh Werkzeugmaschine und Verfahren zur Herstellung von Verzahnungen
DE202010002303U1 (de) 2010-02-11 2011-06-09 KENNAMETAL INC., Pa. Wendeplatte

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1516524A (en) * 1918-08-29 1924-11-25 Fellows Gear Shaper Co Gear generating cutting machine
CN1505552A (zh) * 1999-12-01 2004-06-16 ���Ͽع����޹�˾ 锥齿轮加工方法
CN1419483A (zh) * 2000-02-12 2003-05-21 山特维克有限公司 切削插入件和相应的铣刀

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111839674A (zh) * 2020-08-26 2020-10-30 陈雪梅 一种宫腔镜组织切除装置
CN111839674B (zh) * 2020-08-26 2021-10-26 陈雪梅 一种宫腔镜组织切除装置

Also Published As

Publication number Publication date
BR112013009764A2 (pt) 2016-07-19
KR102063018B1 (ko) 2020-01-06
KR20190014126A (ko) 2019-02-11
US9352406B2 (en) 2016-05-31
CA2812861A1 (en) 2012-04-26
EP2629917A1 (de) 2013-08-28
US20130322974A1 (en) 2013-12-05
MX2013004118A (es) 2013-12-02
RU2567073C2 (ru) 2015-10-27
RU2013123141A (ru) 2014-11-27
KR20140005161A (ko) 2014-01-14
KR102130852B1 (ko) 2020-07-08
JP6010038B2 (ja) 2016-10-19
JP2013543450A (ja) 2013-12-05
WO2012052367A1 (de) 2012-04-26
DE102010042835A1 (de) 2012-04-26
CN103180078A (zh) 2013-06-26
MX346788B (es) 2017-03-31
CA2812861C (en) 2017-03-28
EP2629917B1 (de) 2020-04-15

Similar Documents

Publication Publication Date Title
CN103180078B (zh) 用于铣削带齿传动元件的齿的齿铣削刀具和方法
CN107530804B (zh) 用于产生至少部分倒圆的齿顶的滚刨方法和切削刀具
US10239139B2 (en) Method for machining a set of teeth, tool arrangement, and tooth-cutting machine
EP2433735B1 (en) A gear milling cutter as well as a set of gear milling cutter inserts therefor
CN107107224B (zh) 具有多转切削齿的轴向滚刀
JP2013543450A5 (enExample)
US10744581B2 (en) Power skiving pressure angle correction without tool geometry change
US8882414B2 (en) Method and system for milling a bevel gear tooth system in a continuous miling process
CN105246631B (zh) 制造具有齿端修缘的非展成锥齿轮的摆动运动
JP7071512B2 (ja) パワースカイビング工具
CN103635280A (zh) 用于刮齿加工外齿部的方法以及具有相应的刮齿刀具的设备
US20220266364A1 (en) Tool and method for machining a workpiece
CN1126626C (zh) 生产切削刃的方法
CN111889811A (zh) 一种等切削前角插齿刀及其构造方法
CN108025381B (zh) 用于制造螺旋齿表面联接件的方法和工具
JP4632859B2 (ja) ねじれ溝タップのねじ研削方法
EP3898050B1 (en) Independent pressure angle corrections for power skiving
KR20240055076A (ko) 정면 밀링 커터 및 이러한 정면 밀링 커터에 의해 공작물의 표면을 기계가공하는 방법

Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
C14 Grant of patent or utility model
GR01 Patent grant