CH622857A5 - - Google Patents

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Publication number
CH622857A5
CH622857A5 CH569678A CH569678A CH622857A5 CH 622857 A5 CH622857 A5 CH 622857A5 CH 569678 A CH569678 A CH 569678A CH 569678 A CH569678 A CH 569678A CH 622857 A5 CH622857 A5 CH 622857A5
Authority
CH
Switzerland
Prior art keywords
core
blank
bore
valve
channels
Prior art date
Application number
CH569678A
Other languages
English (en)
French (fr)
Inventor
Francis Charron
Original Assignee
Semt
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 Semt filed Critical Semt
Publication of CH622857A5 publication Critical patent/CH622857A5/fr

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
    • B23P15/00—Making specific metal objects by operations not covered by a single other subclass or a group in this subclass
    • B23P15/001—Making specific metal objects by operations not covered by a single other subclass or a group in this subclass valves or valve housings
    • B23P15/002—Making specific metal objects by operations not covered by a single other subclass or a group in this subclass valves or valve housings poppet valves
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21C—MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES OR PROFILES, OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
    • B21C37/00—Manufacture of metal sheets, bars, wire, tubes or like semi-manufactured products, not otherwise provided for; Manufacture of tubes of special shape
    • B21C37/06—Manufacture of metal sheets, bars, wire, tubes or like semi-manufactured products, not otherwise provided for; Manufacture of tubes of special shape of tubes or metal hoses; Combined procedures for making tubes, e.g. for making multi-wall tubes
    • B21C37/15—Making tubes of special shape; Making tube fittings
    • B21C37/151—Making tubes with multiple passages
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01L—CYCLICALLY OPERATING VALVES FOR MACHINES OR ENGINES
    • F01L3/00—Lift-valve, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces; Parts or accessories thereof
    • F01L3/12—Cooling of valves
    • F01L3/16—Cooling of valves by means of a fluid flowing through or along valve, e.g. air
    • F01L3/18—Liquid cooling of valve
    • Y—GENERAL 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
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T29/00—Metal working
    • Y10T29/49—Method of mechanical manufacture
    • Y10T29/49229—Prime mover or fluid pump making
    • Y10T29/49298—Poppet or I.C. engine valve or valve seat making
    • Y10T29/49307—Composite or hollow valve stem or head making
    • Y10T29/49311—Composite or hollow valve stem or head making including extruding

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • General Engineering & Computer Science (AREA)
  • Forging (AREA)
  • Extrusion Of Metal (AREA)
CH569678A 1977-05-27 1978-05-25 CH622857A5 (ru)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7716384A FR2392224A1 (fr) 1977-05-27 1977-05-27 Procede de fabrication de soupapes refroidies pour moteurs a combustion interne et soupapes ainsi obtenues

Publications (1)

Publication Number Publication Date
CH622857A5 true CH622857A5 (ru) 1981-04-30

Family

ID=9191391

Family Applications (1)

Application Number Title Priority Date Filing Date
CH569678A CH622857A5 (ru) 1977-05-27 1978-05-25

Country Status (11)

Country Link
US (1) US4190941A (ru)
JP (1) JPS53148636A (ru)
CH (1) CH622857A5 (ru)
DE (1) DE2821752A1 (ru)
DK (1) DK235778A (ru)
FR (1) FR2392224A1 (ru)
GB (1) GB1604283A (ru)
IT (1) IT1095512B (ru)
NL (1) NL7805781A (ru)
SE (1) SE7806069L (ru)
SU (1) SU724091A3 (ru)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA1198266A (en) * 1982-12-17 1985-12-24 Jobst U. Gellert Method of manufacture of an injection molding integral heated probe
GB2135027A (en) * 1983-02-12 1984-08-22 John George Frederick Spicer Fluid flow control valves
DE4239362A1 (de) * 1992-11-24 1994-05-26 Teves Gmbh Alfred Ventil, insbesondere Druckventil für eine Radialkolbenpumpe, mit wenigen Komponenten
JPH09184404A (ja) * 1995-12-28 1997-07-15 Fuji Oozx Inc 内燃機関用中空弁
US20050279630A1 (en) * 2004-06-16 2005-12-22 Dynamic Machine Works, Inc. Tubular sputtering targets and methods of flowforming the same
FR2927879B1 (fr) * 2008-02-27 2010-08-20 Eurocopter France Arbre de commande hydraulique rigide et systeme de commande de la variation de pas d'une helice muni d'un tel arbre de commande
CN101850375A (zh) * 2010-05-04 2010-10-06 湖北兴升科技发展有限公司 一种水冷式空压机阀板的下阀板的热挤压工艺方法
CN101972923A (zh) * 2010-11-29 2011-02-16 龙工(江西)齿轮有限公司 整体式多路阀体的加工制作方法
US8555503B2 (en) * 2011-07-20 2013-10-15 Ford Global Technologies, Llc Casting-integrated control body processing
CN105298580A (zh) * 2015-10-30 2016-02-03 重庆奇甫机械有限责任公司 具有螺旋叶片的自清洁式冲钠气门
CN105921539B (zh) * 2016-05-20 2018-07-03 内蒙古北方重工业集团有限公司 大口径深盲孔工件的制备方法

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1254976A (en) * 1917-02-15 1918-01-29 Ettore Bugatti Engine-valve.
US2423203A (en) * 1943-02-20 1947-07-01 Union Carbide & Carbon Corp Method of making blowpipe nozzle blanks
US3477112A (en) * 1968-03-08 1969-11-11 Goss Gas Inc Method for forming torch tips
US3716902A (en) * 1970-02-18 1973-02-20 Small Tube Products Method of making a composite welding torch tip
DE2240572A1 (de) * 1972-08-18 1974-02-28 Maschf Augsburg Nuernberg Ag Mit waermeleitfluessigkeit gefuelltes ventil
CH571154A5 (ru) * 1973-10-31 1975-12-31 Sulzer Ag
US4080700A (en) * 1976-01-05 1978-03-28 Brunswick Corporation Method of atomizing a liquid, an atomizer tip for use in the method and method of manufacturing the tip

Also Published As

Publication number Publication date
SE7806069L (sv) 1978-11-28
GB1604283A (en) 1981-12-09
IT1095512B (it) 1985-08-10
SU724091A3 (ru) 1980-03-25
US4190941A (en) 1980-03-04
FR2392224A1 (fr) 1978-12-22
JPS53148636A (en) 1978-12-25
DE2821752A1 (de) 1978-12-07
DK235778A (da) 1978-11-28
NL7805781A (nl) 1978-11-29
FR2392224B1 (ru) 1979-09-07
IT7823596A0 (it) 1978-05-19

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Date Code Title Description
PL Patent ceased