KR890001661A - 중공품의 압조 방법 - Google Patents

중공품의 압조 방법

Info

Publication number
KR890001661A
KR890001661A KR1019880008757A KR880008757A KR890001661A KR 890001661 A KR890001661 A KR 890001661A KR 1019880008757 A KR1019880008757 A KR 1019880008757A KR 880008757 A KR880008757 A KR 880008757A KR 890001661 A KR890001661 A KR 890001661A
Authority
KR
South Korea
Prior art keywords
hollowing method
hollowing
Prior art date
Application number
KR1019880008757A
Other languages
English (en)
Other versions
KR910007296B1 (ko
Inventor
히로사도 다께우찌
유다까 다나까
오사히꼬 미야자끼
노보루 사이또오
하루오 구보
나오유끼 고다께
마꼬도 나구모
Original Assignee
닛또 고오기 가부시기가이샤
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 닛또 고오기 가부시기가이샤 filed Critical 닛또 고오기 가부시기가이샤
Publication of KR890001661A publication Critical patent/KR890001661A/ko
Application granted granted Critical
Publication of KR910007296B1 publication Critical patent/KR910007296B1/ko

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21K—MAKING FORGED OR PRESSED METAL PRODUCTS, e.g. HORSE-SHOES, RIVETS, BOLTS OR WHEELS
    • B21K21/00—Making hollow articles not covered by a single preceding sub-group
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21J—FORGING; HAMMERING; PRESSING METAL; RIVETING; FORGE FURNACES
    • B21J5/00—Methods for forging, hammering, or pressing; Special equipment or accessories therefor
    • B21J5/02—Die forging; Trimming by making use of special dies ; Punching during forging
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21J—FORGING; HAMMERING; PRESSING METAL; RIVETING; FORGE FURNACES
    • B21J5/00—Methods for forging, hammering, or pressing; Special equipment or accessories therefor
    • B21J5/06—Methods for forging, hammering, or pressing; Special equipment or accessories therefor for performing particular operations
    • B21J5/12—Forming profiles on internal or external surfaces
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21K—MAKING FORGED OR PRESSED METAL PRODUCTS, e.g. HORSE-SHOES, RIVETS, BOLTS OR WHEELS
    • B21K1/00—Making machine elements
    • B21K1/76—Making machine elements elements not mentioned in one of the preceding groups
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21K—MAKING FORGED OR PRESSED METAL PRODUCTS, e.g. HORSE-SHOES, RIVETS, BOLTS OR WHEELS
    • B21K21/00—Making hollow articles not covered by a single preceding sub-group
    • B21K21/08—Shaping hollow articles with different cross-section in longitudinal direction, e.g. nozzles, spark-plugs

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Forging (AREA)
KR1019880008757A 1987-07-22 1988-07-14 중공품의 압조 방법 KR910007296B1 (ko)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP87-181233 1987-07-22
JP62181233A JPS6427735A (en) 1987-07-22 1987-07-22 Heading method for hollow part

Publications (2)

Publication Number Publication Date
KR890001661A true KR890001661A (ko) 1989-03-28
KR910007296B1 KR910007296B1 (ko) 1991-09-24

Family

ID=16097129

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019880008757A KR910007296B1 (ko) 1987-07-22 1988-07-14 중공품의 압조 방법

Country Status (4)

Country Link
US (1) US4918969A (ko)
JP (1) JPS6427735A (ko)
KR (1) KR910007296B1 (ko)
DE (1) DE3824699C2 (ko)

Families Citing this family (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1033791C (zh) * 1992-09-19 1997-01-15 江兴锻压工业股份有限公司 汽车传动轴等速接头的(tj)外轮粗坯制造方法
JPH0953689A (ja) * 1995-08-18 1997-02-25 Mitsubishi Electric Corp 遊星歯車減速機構およびその遊星歯車用支持ピンの加工方法
IT1292849B1 (it) * 1997-04-08 1999-02-11 Chiavette Unificate Spa Impianto per la realizzazione di un elemento sferico per una testa a snodo.
JP3537646B2 (ja) * 1997-10-14 2004-06-14 大川精螺工業株式会社 ホース継手金具用ブランク素材の製造方法及びホース継手金具の製造方法
US6085405A (en) * 1998-09-15 2000-07-11 Kao; Cheng-Hsien Method of fabricating a handlebar stem for a bicycle
US6571452B1 (en) * 1999-01-19 2003-06-03 Barsplice Products, Inc. Method of making steel couplers for joining concrete reinforcing bars
US6178638B1 (en) * 1999-03-22 2001-01-30 Lei-Jui Wu Fabrication method for a flange-type ball valve
KR20020037510A (ko) * 2000-11-14 2002-05-22 조규철 금형으로 구멍 뚫는 방법 및 그 금형 다이
WO2004098807A1 (en) * 2000-11-21 2004-11-18 Barsplice Products, Inc. Method of making steel couplers for joining concrete reinforcing bars
US7052028B2 (en) * 2003-06-11 2006-05-30 Specialized Bicycle Componets, Inc. Frame assembly for a bicycle
FR2877244B1 (fr) * 2004-10-29 2008-05-30 Snecma Moteurs Sa Procede de refoulage pour le corroyage d'un lopin metallique procede de preparation d'un lopin a une operation de forgeage selon le procede et dispositif de mise en oeuvre du procede
US20090001685A1 (en) * 2007-06-29 2009-01-01 Specialized Bicycle Components, Inc. Bicycle frame
US8167327B2 (en) 2010-05-14 2012-05-01 Specialized Bicycle Components, Inc. Bicycle frame
JP5535097B2 (ja) * 2011-01-14 2014-07-02 日本特殊陶業株式会社 スパークプラグ用主体金具の製造方法およびスパークプラグの製造方法
USD958702S1 (en) 2020-08-05 2022-07-26 Specialized Bicycle Components, Inc. Bicycle frame
TWI817735B (zh) * 2022-09-22 2023-10-01 勝惟工具工業股份有限公司 多沖程之長套筒成型方法

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2216201A (en) * 1934-12-22 1940-10-01 Gen Motors Corp Method of making tubular inserts
DE1527474B1 (de) * 1963-02-14 1970-03-12 Nautscho I I Exi Automobilnogo Verfahren zur Herstellung von eine Vielkanteinschraubfassung aufweisenden,rohrfoermigen Zwischenprodukten fuer Zuendkerzenkoerper aus Stahl
JPS5597838A (en) * 1979-01-16 1980-07-25 Nichirin Gomme Kogyo Kk Production of base metal fitting of hose for pressure fluid or the like
US4352283A (en) * 1981-03-06 1982-10-05 Ford Motor Company Method of forming spark plug bodies
US4416141A (en) * 1982-01-11 1983-11-22 The Nippert Company Method and apparatus for forming an electrical connector
JPS58145326A (ja) * 1982-02-24 1983-08-30 Yoshiichi Sakamura 狭窄溝を設けた有孔部品の製造方法

Also Published As

Publication number Publication date
JPH03139B2 (ko) 1991-01-07
DE3824699A1 (de) 1989-02-02
KR910007296B1 (ko) 1991-09-24
US4918969A (en) 1990-04-24
JPS6427735A (en) 1989-01-30
DE3824699C2 (de) 1994-06-23

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Legal Events

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E902 Notification of reason for refusal
G160 Decision to publish patent application
E701 Decision to grant or registration of patent right
GRNT Written decision to grant
FPAY Annual fee payment

Payment date: 20070718

Year of fee payment: 17

EXPY Expiration of term