BE694726A - - Google Patents
Info
- Publication number
- BE694726A BE694726A BE694726DA BE694726A BE 694726 A BE694726 A BE 694726A BE 694726D A BE694726D A BE 694726DA BE 694726 A BE694726 A BE 694726A
- Authority
- BE
- Belgium
Links
Classifications
-
- 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
-
- 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
- B21C23/14—Making other products
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21J—FORGING; HAMMERING; PRESSING METAL; RIVETING; FORGE FURNACES
- B21J5/00—Methods for forging, hammering, or pressing; Special equipment or accessories therefor
-
- 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
- B21K21/00—Making hollow articles not covered by a single preceding sub-group
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R31/00—Apparatus or processes specially adapted for the manufacture of transducers or diaphragms therefor
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R2209/00—Details of transducers of the moving-coil, moving-strip, or moving-wire type covered by H04R9/00 but not provided for in any of its subgroups
- H04R2209/024—Manufacturing aspects of the magnetic circuit of loudspeaker or microphone transducers
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R9/00—Transducers of moving-coil, moving-strip, or moving-wire type
- H04R9/02—Details
- H04R9/025—Magnetic circuit
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
- Forging (AREA)
- Diaphragms For Electromechanical Transducers (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| NL6602605A NL6602605A (el) | 1966-03-01 | 1966-03-01 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE694726A true BE694726A (el) | 1967-08-28 |
Family
ID=19795863
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE694726D BE694726A (el) | 1966-03-01 | 1967-02-27 |
Country Status (8)
| Country | Link |
|---|---|
| AT (1) | AT274532B (el) |
| BE (1) | BE694726A (el) |
| CH (1) | CH446863A (el) |
| DE (1) | DE1275612B (el) |
| ES (1) | ES337320A1 (el) |
| FR (1) | FR1512899A (el) |
| GB (1) | GB1177804A (el) |
| NL (1) | NL6602605A (el) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106583485B (zh) * | 2016-12-22 | 2018-03-02 | 南昌工程学院 | 大直径法兰气缸的成形方法 |
-
1966
- 1966-03-01 NL NL6602605A patent/NL6602605A/xx unknown
-
1967
- 1967-02-24 GB GB898367A patent/GB1177804A/en not_active Expired
- 1967-02-25 DE DE1967N0030066 patent/DE1275612B/de active Pending
- 1967-02-27 BE BE694726D patent/BE694726A/xx unknown
- 1967-02-27 AT AT189667A patent/AT274532B/de active
- 1967-02-27 CH CH281367A patent/CH446863A/de unknown
- 1967-02-27 ES ES337320A patent/ES337320A1/es not_active Expired
- 1967-03-01 FR FR97005A patent/FR1512899A/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| FR1512899A (fr) | 1968-02-09 |
| CH446863A (de) | 1967-11-15 |
| NL6602605A (el) | 1967-09-04 |
| ES337320A1 (es) | 1968-06-01 |
| AT274532B (de) | 1969-09-25 |
| DE1275612B (de) | 1968-08-22 |
| GB1177804A (en) | 1970-01-14 |