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DE706860C - Process for the production of hollow poppet valves with a heat-equalizing filling - Google Patents

Process for the production of hollow poppet valves with a heat-equalizing filling

Info

Publication number
DE706860C
DE706860C DEB183396D DEB0183396D DE706860C DE 706860 C DE706860 C DE 706860C DE B183396 D DEB183396 D DE B183396D DE B0183396 D DEB0183396 D DE B0183396D DE 706860 C DE706860 C DE 706860C
Authority
DE
Germany
Prior art keywords
production
heat
poppet valves
hollow poppet
equalizing
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.)
Expired
Application number
DEB183396D
Other languages
German (de)
Inventor
Dipl-Ing Franz Toepfl
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.)
Gebrueder Boehler and Co AG
Original Assignee
Gebrueder Boehler and Co AG
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 Gebrueder Boehler and Co AG filed Critical Gebrueder Boehler and Co AG
Priority to DEB183396D priority Critical patent/DE706860C/en
Application granted granted Critical
Publication of DE706860C publication Critical patent/DE706860C/en
Expired legal-status Critical Current

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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K31/00—Processes relevant to this subclass, specially adapted for particular articles or purposes, but not covered by only one of the preceding main groups
    • 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
    • F01L3/02—Selecting particular materials for valve-members or valve-seats; Valve-members or valve-seats composed of two or more materials

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Lining Or Joining Of Plastics Or The Like (AREA)

Description

Hierzu 1 Blatt Zeichnungen1 sheet of drawings

Claims (1)

Patentanspruch:Claim: Verfahren zur Herstellung von hohlen Tellerventilen mit einer wärmeausgleichenden Füllung nach Patent 649 742, bei dem bei der Herstellung der Höhlung im Teller ein ringförmiger Kranz vorgeformt und dieser nach innen umgelegt und an seinem Schlußpunkte verschweißt wird, dadurch gekennzeichnet, daß der Kranz zunächst nur in eine Kegelform umgelegt und die endgültige Formgebung des Tellerbodens durch Pressen erst nach dem Zuschweißen des Loches in der Kegelspitze erfolgt.Process for the production of hollow poppet valves with a heat-equalizing Filling according to patent 649 742, in which during the manufacture of the cavity in the Plate a ring-shaped wreath is pre-formed and this is folded inwards and welded at its end point, characterized in that the wreath is initially only folded over into a conical shape and the final shape of the plate bottom by pressing only after the hole in the cone tip has been welded shut.
DEB183396D 1938-06-04 1938-06-04 Process for the production of hollow poppet valves with a heat-equalizing filling Expired DE706860C (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DEB183396D DE706860C (en) 1938-06-04 1938-06-04 Process for the production of hollow poppet valves with a heat-equalizing filling

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DEB183396D DE706860C (en) 1938-06-04 1938-06-04 Process for the production of hollow poppet valves with a heat-equalizing filling

Publications (1)

Publication Number Publication Date
DE706860C true DE706860C (en) 1941-06-07

Family

ID=7009552

Family Applications (1)

Application Number Title Priority Date Filing Date
DEB183396D Expired DE706860C (en) 1938-06-04 1938-06-04 Process for the production of hollow poppet valves with a heat-equalizing filling

Country Status (1)

Country Link
DE (1) DE706860C (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE950764C (en) * 1941-05-03 1956-10-18 Gabriel Jeudi M Method of manufacturing poppet valves
US6308675B1 (en) 1998-01-29 2001-10-30 Mahle Ventilrieb Gmbh Gas exchange valve with a hollow space

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE950764C (en) * 1941-05-03 1956-10-18 Gabriel Jeudi M Method of manufacturing poppet valves
US6308675B1 (en) 1998-01-29 2001-10-30 Mahle Ventilrieb Gmbh Gas exchange valve with a hollow space
EP1066131B1 (en) * 1998-01-29 2003-08-20 MAHLE Ventiltrieb GmbH Gas exchange valve with a hollow space

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