DE2116801A1 - - Google Patents
Info
- Publication number
- DE2116801A1 DE2116801A1 DE19712116801 DE2116801A DE2116801A1 DE 2116801 A1 DE2116801 A1 DE 2116801A1 DE 19712116801 DE19712116801 DE 19712116801 DE 2116801 A DE2116801 A DE 2116801A DE 2116801 A1 DE2116801 A1 DE 2116801A1
- Authority
- DE
- Germany
- Prior art keywords
- peripheral wall
- anode
- extrusion
- punch
- thin
- 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
- B21K23/00—Making other articles
-
- 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
- B21C23/00—Extruding metal; Impact extrusion
- B21C23/02—Making uncoated products
- B21C23/04—Making uncoated products by direct extrusion
- B21C23/08—Making wire, bars, tubes
- B21C23/10—Making finned tubes
-
- 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
- B21C23/00—Extruding metal; Impact extrusion
- B21C23/02—Making uncoated products
- B21C23/20—Making uncoated products by backward extrusion
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J23/00—Details of transit-time tubes of the types covered by group H01J25/00
- H01J23/16—Circuit elements, having distributed capacitance and inductance, structurally associated with the tube and interacting with the discharge
- H01J23/165—Manufacturing processes or apparatus therefore
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Forging (AREA)
- Microwave Tubes (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP45030188A JPS4947625B1 (fr) | 1970-04-10 | 1970-04-10 |
Publications (1)
Publication Number | Publication Date |
---|---|
DE2116801A1 true DE2116801A1 (fr) | 1971-10-28 |
Family
ID=12296765
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE19712116801 Pending DE2116801A1 (fr) | 1970-04-10 | 1971-04-06 |
Country Status (4)
Country | Link |
---|---|
US (1) | US3719068A (fr) |
JP (1) | JPS4947625B1 (fr) |
DE (1) | DE2116801A1 (fr) |
GB (1) | GB1323370A (fr) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2548835A1 (fr) * | 1983-07-08 | 1985-01-11 | Philips Nv | Procede de fabrication d'un filtre d'ondes et filtre guide d'ondes fabrique par la mise en oeuvre de ce procede |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5115514B2 (fr) * | 1971-11-22 | 1976-05-17 | ||
US4341106A (en) * | 1977-04-13 | 1982-07-27 | Gleason Works | Apparatus for controlling the movement of a reciprocatory hydraulically driven element of a metal forming machine |
JPH0433728A (ja) * | 1990-05-25 | 1992-02-05 | Toshiba Corp | バーリング加工方法 |
US5618297A (en) * | 1994-10-13 | 1997-04-08 | Applied Medical Resources | Obturator with internal tip protector |
CN102699085A (zh) * | 2012-06-01 | 2012-10-03 | 北京理工大学 | 双反挤压制备led散热托架 |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US1482697A (en) * | 1922-02-24 | 1924-02-05 | Henderson B Douglas | Method of forming drawbar yokes |
GB677779A (en) * | 1949-05-20 | 1952-08-20 | Hoover Ltd | Improvements relating to the manufacture of commutators for dynamo-electric machines |
-
1970
- 1970-04-10 JP JP45030188A patent/JPS4947625B1/ja active Pending
-
1971
- 1971-04-06 DE DE19712116801 patent/DE2116801A1/de active Pending
- 1971-04-07 US US00131893A patent/US3719068A/en not_active Expired - Lifetime
- 1971-04-19 GB GB2665771*A patent/GB1323370A/en not_active Expired
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2548835A1 (fr) * | 1983-07-08 | 1985-01-11 | Philips Nv | Procede de fabrication d'un filtre d'ondes et filtre guide d'ondes fabrique par la mise en oeuvre de ce procede |
Also Published As
Publication number | Publication date |
---|---|
GB1323370A (en) | 1973-07-11 |
US3719068A (en) | 1973-03-06 |
JPS4947625B1 (fr) | 1974-12-17 |
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