FR47188E - Hollow articles, in particular mushroom valves, and method of making them - Google Patents

Hollow articles, in particular mushroom valves, and method of making them

Info

Publication number
FR47188E
FR47188E FR47188DA FR47188E FR 47188 E FR47188 E FR 47188E FR 47188D A FR47188D A FR 47188DA FR 47188 E FR47188 E FR 47188E
Authority
FR
France
Prior art keywords
making
hollow articles
mushroom valves
particular mushroom
valves
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
Other languages
French (fr)
Inventor
William Scrimgeour
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 filed Critical
Application granted granted Critical
Publication of FR47188E publication Critical patent/FR47188E/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

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
FR47188D 1936-03-10 1936-03-10 Hollow articles, in particular mushroom valves, and method of making them Expired FR47188E (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR47188T 1936-03-10

Publications (1)

Publication Number Publication Date
FR47188E true FR47188E (en) 1937-02-06

Family

ID=8682715

Family Applications (1)

Application Number Title Priority Date Filing Date
FR47188D Expired FR47188E (en) 1936-03-10 1936-03-10 Hollow articles, in particular mushroom valves, and method of making them

Country Status (1)

Country Link
FR (1) FR47188E (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2325446A4 (en) * 2008-09-18 2013-06-19 Mitsubishi Heavy Ind Ltd Method of manufacturing umbrella portion of hollow engine valve, and hollow engine valve

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2325446A4 (en) * 2008-09-18 2013-06-19 Mitsubishi Heavy Ind Ltd Method of manufacturing umbrella portion of hollow engine valve, and hollow engine valve
US8522434B2 (en) 2008-09-18 2013-09-03 Mitsubishi Heavy Industries, Ltd. Method for production of valve head portion of hollow engine valve and hollow engine valve

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