DE1031614B - Method of manufacturing hollow poppet valves for internal combustion engines - Google Patents
Method of manufacturing hollow poppet valves for internal combustion enginesInfo
- Publication number
- DE1031614B DE1031614B DET12403A DET0012403A DE1031614B DE 1031614 B DE1031614 B DE 1031614B DE T12403 A DET12403 A DE T12403A DE T0012403 A DET0012403 A DE T0012403A DE 1031614 B DE1031614 B DE 1031614B
- Authority
- DE
- Germany
- Prior art keywords
- internal combustion
- combustion engines
- poppet valves
- hollow poppet
- manufacturing hollow
- 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.)
- Pending
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)
Description
Anmelder:Applicant:
Alfred TevesAlfred Teves
Maschinen- und ArmaturenfabrikMachine and fittings factory
Kommandit-Gesellschaft, Frankfurt/M., Gustavsburgstr. 31Limited partnership, Frankfurt / M., Gustavsburgstr. 31
Gerhard Kubera, Blumberg (Bad.), ist als Erfinder genannt wordenGerhard Kubera, Blumberg (Bad.), Has been named as the inventor
pressen unter Verwendung eines um ein Stück aus dem Rohling herausragenden Füllkerns aus Stahl, der nach dem anschließenden Gesenkstauchen des Tellers abgezogen wird, nach Patentanmeldung T6919Ib/49i, dadurch gekennzeichnet, daß der Füllkern im kalten Zustand zum Lochen des heißen Rohlings verwendet wii d.pressing using a steel filler core protruding a little from the blank, which is removed after the subsequent die upsetting of the plate, according to patent application T6919Ib / 49i, characterized in that the Filler core used in the cold state for punching the hot blank wii d.
1 809 529/268 5.1 809 529/268 5.
Claims (1)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DET12403A DE1031614B (en) | 1956-06-30 | 1956-06-30 | Method of manufacturing hollow poppet valves for internal combustion engines |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DET12403A DE1031614B (en) | 1956-06-30 | 1956-06-30 | Method of manufacturing hollow poppet valves for internal combustion engines |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE1031614B true DE1031614B (en) | 1958-06-04 |
Family
ID=7547007
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DET12403A Pending DE1031614B (en) | 1956-06-30 | 1956-06-30 | Method of manufacturing hollow poppet valves for internal combustion engines |
Country Status (1)
| Country | Link |
|---|---|
| DE (1) | DE1031614B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2325446A1 (en) | 2008-09-18 | 2011-05-25 | Mitsubishi Heavy Industries, Ltd. | Method of manufacturing umbrella portion of hollow engine valve, and hollow engine valve |
-
1956
- 1956-06-30 DE DET12403A patent/DE1031614B/en active Pending
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2325446A1 (en) | 2008-09-18 | 2011-05-25 | Mitsubishi Heavy Industries, 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 |
| US9194263B2 (en) | 2008-09-18 | 2015-11-24 | Mitsubishi Heavy Industries, Ltd. | Method for production of valve head portion of hollow engine valve and hollow engine valve |
| US9447711B2 (en) | 2008-09-18 | 2016-09-20 | Fuji Hollow Valve Inc. | Method for production of valve head portion of hollow engine valve and hollow engine valve |
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