IT956959B - Metodo per la formatura a caldo di parti metalliche cave a forma di fungo - Google Patents

Metodo per la formatura a caldo di parti metalliche cave a forma di fungo

Info

Publication number
IT956959B
IT956959B IT2546772A IT2546772A IT956959B IT 956959 B IT956959 B IT 956959B IT 2546772 A IT2546772 A IT 2546772A IT 2546772 A IT2546772 A IT 2546772A IT 956959 B IT956959 B IT 956959B
Authority
IT
Italy
Prior art keywords
metal parts
shaped metal
hot forming
mushroom shaped
hollow mushroom
Prior art date
Application number
IT2546772A
Other languages
English (en)
Original Assignee
Mitsubishi Motors Corp
Mitsubishi Heavy Ind Ltd
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 Mitsubishi Motors Corp, Mitsubishi Heavy Ind Ltd filed Critical Mitsubishi Motors Corp
Application granted granted Critical
Publication of IT956959B publication Critical patent/IT956959B/it

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
    • B21K1/00—Making machine elements
    • B21K1/20—Making machine elements valve parts
    • B21K1/22—Making machine elements valve parts poppet valves, e.g. for internal-combustion engines

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • Forging (AREA)
IT2546772A 1971-06-10 1972-06-09 Metodo per la formatura a caldo di parti metalliche cave a forma di fungo IT956959B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP4054871A JPS5035024B1 (it) 1971-06-10 1971-06-10

Publications (1)

Publication Number Publication Date
IT956959B true IT956959B (it) 1973-10-10

Family

ID=12583487

Family Applications (1)

Application Number Title Priority Date Filing Date
IT2546772A IT956959B (it) 1971-06-10 1972-06-09 Metodo per la formatura a caldo di parti metalliche cave a forma di fungo

Country Status (5)

Country Link
JP (1) JPS5035024B1 (it)
DE (1) DE2227915C3 (it)
FR (1) FR2140604B1 (it)
GB (1) GB1386702A (it)
IT (1) IT956959B (it)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS574544U (it) * 1980-06-10 1982-01-11
JPH0771717B2 (ja) * 1990-03-26 1995-08-02 本田技研工業株式会社 エンジンバルブの製造方法
DE4104707C2 (de) * 1991-02-15 1994-06-01 Bruno Jakob Brueck Vorrichtung zum Anstauchen von flanschartigen Verdickungen an Rohren
JP4526097B1 (ja) * 2009-12-24 2010-08-18 株式会社 吉村カンパニー 中空エンジンバルブの弁傘部の製造方法及び中空エンジンバルブの弁傘部のプレス装置及び中空エンジンバルブ
DE102011090203A1 (de) * 2011-12-30 2013-07-04 Continental Automotive Gmbh Design eines Ventil-Schließkörpers
KR20210071623A (ko) * 2019-12-06 2021-06-16 현대자동차주식회사 엔진 밸브의 제조방법

Also Published As

Publication number Publication date
DE2227915A1 (de) 1973-01-11
GB1386702A (en) 1975-03-12
JPS5035024B1 (it) 1975-11-13
FR2140604B1 (it) 1977-12-23
FR2140604A1 (it) 1973-01-19
DE2227915C3 (de) 1979-10-25
DE2227915B2 (de) 1979-02-22

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