NL6602605A - - Google Patents

Info

Publication number
NL6602605A
NL6602605A NL6602605A NL6602605A NL6602605A NL 6602605 A NL6602605 A NL 6602605A NL 6602605 A NL6602605 A NL 6602605A NL 6602605 A NL6602605 A NL 6602605A NL 6602605 A NL6602605 A NL 6602605A
Authority
NL
Netherlands
Application number
NL6602605A
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
Priority to NL6602605A priority Critical patent/NL6602605A/xx
Priority to GB898367A priority patent/GB1177804A/en
Priority to DE1967N0030066 priority patent/DE1275612B/de
Priority to AT189667A priority patent/AT274532B/de
Priority to CH281367A priority patent/CH446863A/de
Priority to ES337320A priority patent/ES337320A1/es
Priority to BE694726D priority patent/BE694726A/xx
Priority to FR97005A priority patent/FR1512899A/fr
Publication of NL6602605A publication Critical patent/NL6602605A/xx

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21C—MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES, PROFILES OR LIKE SEMI-MANUFACTURED PRODUCTS 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, PROFILES OR LIKE SEMI-MANUFACTURED PRODUCTS 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)
NL6602605A 1966-03-01 1966-03-01 NL6602605A (enrdf_load_stackoverflow)

Priority Applications (8)

Application Number Priority Date Filing Date Title
NL6602605A NL6602605A (enrdf_load_stackoverflow) 1966-03-01 1966-03-01
GB898367A GB1177804A (en) 1966-03-01 1967-02-24 Improvements in or relating to methods of manufacturing Loudspeaker Pots from a piece of Soft Iron
DE1967N0030066 DE1275612B (de) 1966-03-01 1967-02-25 Verfahren zur Herstellung eines Lautsprechertopfes aus einem Stueck Weicheisen
AT189667A AT274532B (de) 1966-03-01 1967-02-27 Verfahren zur Herstellung eines Topfes für ein Lautsprechermagnetsystem aus einem Stück Weicheisen
CH281367A CH446863A (de) 1966-03-01 1967-02-27 Verfahren zur Herstellung eines Lautsprechertopfes aus einem Stück Weicheisen
ES337320A ES337320A1 (es) 1966-03-01 1967-02-27 Un metodo de fabricar un bote para altavoz de una pieza de hierro dulce.
BE694726D BE694726A (enrdf_load_stackoverflow) 1966-03-01 1967-02-27
FR97005A FR1512899A (fr) 1966-03-01 1967-03-01 Procédé de fabrication d'un pot de haut-parleur en une seule pièce de fer doux

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL6602605A NL6602605A (enrdf_load_stackoverflow) 1966-03-01 1966-03-01

Publications (1)

Publication Number Publication Date
NL6602605A true NL6602605A (enrdf_load_stackoverflow) 1967-09-04

Family

ID=19795863

Family Applications (1)

Application Number Title Priority Date Filing Date
NL6602605A NL6602605A (enrdf_load_stackoverflow) 1966-03-01 1966-03-01

Country Status (8)

Country Link
AT (1) AT274532B (enrdf_load_stackoverflow)
BE (1) BE694726A (enrdf_load_stackoverflow)
CH (1) CH446863A (enrdf_load_stackoverflow)
DE (1) DE1275612B (enrdf_load_stackoverflow)
ES (1) ES337320A1 (enrdf_load_stackoverflow)
FR (1) FR1512899A (enrdf_load_stackoverflow)
GB (1) GB1177804A (enrdf_load_stackoverflow)
NL (1) NL6602605A (enrdf_load_stackoverflow)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
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

Also Published As

Publication number Publication date
FR1512899A (fr) 1968-02-09
GB1177804A (en) 1970-01-14
DE1275612B (de) 1968-08-22
ES337320A1 (es) 1968-06-01
AT274532B (de) 1969-09-25
BE694726A (enrdf_load_stackoverflow) 1967-08-28
CH446863A (de) 1967-11-15

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