ES337320A1 - Un metodo de fabricar un bote para altavoz de una pieza de hierro dulce. - Google Patents
Un metodo de fabricar un bote para altavoz de una pieza de hierro dulce.Info
- Publication number
- ES337320A1 ES337320A1 ES337320A ES337320A ES337320A1 ES 337320 A1 ES337320 A1 ES 337320A1 ES 337320 A ES337320 A ES 337320A ES 337320 A ES337320 A ES 337320A ES 337320 A1 ES337320 A1 ES 337320A1
- Authority
- ES
- Spain
- Prior art keywords
- soft iron
- pots
- relating
- stage
- piece
- 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
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 (de) | 1966-03-01 | 1966-03-01 |
Publications (1)
Publication Number | Publication Date |
---|---|
ES337320A1 true ES337320A1 (es) | 1968-06-01 |
Family
ID=19795863
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
ES337320A Expired ES337320A1 (es) | 1966-03-01 | 1967-02-27 | Un metodo de fabricar un bote para altavoz de una pieza de hierro dulce. |
Country Status (8)
Country | Link |
---|---|
AT (1) | AT274532B (de) |
BE (1) | BE694726A (de) |
CH (1) | CH446863A (de) |
DE (1) | DE1275612B (de) |
ES (1) | ES337320A1 (de) |
FR (1) | FR1512899A (de) |
GB (1) | GB1177804A (de) |
NL (1) | NL6602605A (de) |
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 CH CH281367A patent/CH446863A/de unknown
- 1967-02-27 AT AT189667A patent/AT274532B/de active
- 1967-02-27 BE BE694726D patent/BE694726A/xx 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 |
---|---|
AT274532B (de) | 1969-09-25 |
FR1512899A (fr) | 1968-02-09 |
GB1177804A (en) | 1970-01-14 |
NL6602605A (de) | 1967-09-04 |
DE1275612B (de) | 1968-08-22 |
BE694726A (de) | 1967-08-28 |
CH446863A (de) | 1967-11-15 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
GB1117245A (en) | Hearing aid | |
GB865025A (en) | Improvements in nestable cups | |
CA921574A (en) | Feed-forward amplifier with frequency shaping | |
GB850718A (en) | Improvements in brassieres | |
SE326929B (de) | ||
ES337320A1 (es) | Un metodo de fabricar un bote para altavoz de una pieza de hierro dulce. | |
GB921872A (de) | ||
GB1066323A (en) | Manufacture of molded fibrous articles | |
GB1474262A (en) | Brassiere frame | |
JPS51113727A (en) | Loud speaker | |
GB1030960A (en) | Gas burner | |
USD118495S (en) | Design fok a table radio | |
CA654162A (en) | Article of plastic, especially forming die, and method of making it | |
CA710761A (en) | Worked gold alloy member and process for producing the same | |
GB1067478A (en) | Improvements in or relating to the manufacture of a watch case | |
CA567097A (en) | Shaping die manufacture | |
GB899129A (en) | Improvements relating to pedal cycle components, particularly cycle fork crowns, and to their method of manufacture | |
BEETHAM et al. | BRASS DIE CASTING | |
GB1315503A (en) | Presses | |
GB1289193A (de) | ||
GB1119709A (en) | Punch and die holder | |
CA523826A (en) | Deep throat punch and die holder | |
AU280928B2 (en) | Improvements in crimping dresses or die presses and the like and in methods for making the same | |
CA624033A (en) | Pulp molding die | |
AU277060B2 (en) | PROCESS FOR THE PRODUCTION OF a,b - UNSATURATED ALDEHYDES AND KETONES |