FR1081600A - Objet constitué par un corps métallique portant une plaque métallique plane - Google Patents

Objet constitué par un corps métallique portant une plaque métallique plane

Info

Publication number
FR1081600A
FR1081600A FR1081600DA FR1081600A FR 1081600 A FR1081600 A FR 1081600A FR 1081600D A FR1081600D A FR 1081600DA FR 1081600 A FR1081600 A FR 1081600A
Authority
FR
France
Prior art keywords
body carrying
metallic
object consisting
flat
metallic plate
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
Application number
Other languages
English (en)
French (fr)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Koninklijke Philips NV
Original Assignee
Philips Gloeilampenfabrieken NV
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 by Philips Gloeilampenfabrieken NV filed Critical Philips Gloeilampenfabrieken NV
Application granted granted Critical
Publication of FR1081600A publication Critical patent/FR1081600A/fr
Expired legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
    • B23P11/00—Connecting or disconnecting metal parts or objects by metal-working techniques not otherwise provided for 
    • B23P11/02—Connecting or disconnecting metal parts or objects by metal-working techniques not otherwise provided for  by first expanding and then shrinking or vice versa, e.g. by using pressure fluids; by making force fits
    • B23P11/025—Connecting or disconnecting metal parts or objects by metal-working techniques not otherwise provided for  by first expanding and then shrinking or vice versa, e.g. by using pressure fluids; by making force fits by using heat or cold
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16B—DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
    • F16B11/00—Connecting constructional elements or machine parts by sticking or pressing them together, e.g. cold pressure welding
    • F16B11/006—Connecting constructional elements or machine parts by sticking or pressing them together, e.g. cold pressure welding by gluing
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R19/00—Electrostatic transducers
    • 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
    • H04R31/003—Apparatus or processes specially adapted for the manufacture of transducers or diaphragms therefor for diaphragms or their outer suspension
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R7/00—Diaphragms for electromechanical transducers; Cones
    • H04R7/16—Mounting or tensioning of diaphragms or cones
    • H04R7/18—Mounting or tensioning of diaphragms or cones at the periphery

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Multimedia (AREA)
  • Treatment Of Fiber Materials (AREA)
  • Laminated Bodies (AREA)
FR1081600D 1952-07-26 1953-07-24 Objet constitué par un corps métallique portant une plaque métallique plane Expired FR1081600A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL320465X 1952-07-26

Publications (1)

Publication Number Publication Date
FR1081600A true FR1081600A (fr) 1954-12-21

Family

ID=19783972

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1081600D Expired FR1081600A (fr) 1952-07-26 1953-07-24 Objet constitué par un corps métallique portant une plaque métallique plane

Country Status (4)

Country Link
BE (1) BE521691A (enrdf_load_stackoverflow)
CH (1) CH320465A (enrdf_load_stackoverflow)
DE (1) DE965463C (enrdf_load_stackoverflow)
FR (1) FR1081600A (enrdf_load_stackoverflow)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0002363A1 (en) * 1977-12-02 1979-06-13 The Post Office Electret transducer and method of making an electret transducer

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1289117B (de) * 1957-12-24 1969-02-13 Siemens Ag Albis Verfahren zum Verkleben einer umfangszentrierten Membran aus loesbarem Kunststoff im Gehaeuse eines elektroakustischen Wandlers
DE1107712B (de) * 1958-12-31 1961-05-31 Sennheiser Electronic Verfahren zur Herstellung einer Membran
BE653385A (enrdf_load_stackoverflow) * 1963-09-27

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE534412C (de) * 1926-11-25 1931-09-26 Siemens & Halske Akt Ges Vorrichtung zur Erzeugung oder Aufnahme mechanischer, insbesondere akustischer Schwingungen, deren schwingende Teile (z. B. Membranen) unter Verwendung pulverfoermiger Mineralien hergestellt sind
DE587370C (de) * 1928-04-01 1933-11-02 Telefunken Gmbh Verfahren zur Herstellung von Membranen, insbesondere fuer akustische Geraete
DE611612C (de) * 1931-11-14 1935-04-03 Steatit Magnesia Akt Ges Aus mehreren Schichten verschiedener Leitfaehigkeit bestehende Membran fuer Apparate akustisch-mechanisch-elektrischer Umformung, wie Mikrophone
DE628700C (de) * 1933-12-08 1936-04-08 Maschf Augsburg Nuernberg Ag Verfahren zum Glattspannen von Verkleidungsblechen von Eisenbahnwagen u. dgl.
US2197150A (en) * 1938-04-21 1940-04-16 Heintz Mfg Co Corrosion resisting built-up closure and method of making same
US2304976A (en) * 1939-09-07 1942-12-15 Budd Edward G Mfg Co Spot welded sheet material
US2688796A (en) * 1950-10-05 1954-09-14 American Car & Foundry Co Method of treating sheet metal to remove buckles

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0002363A1 (en) * 1977-12-02 1979-06-13 The Post Office Electret transducer and method of making an electret transducer

Also Published As

Publication number Publication date
DE965463C (de) 1957-06-06
BE521691A (enrdf_load_stackoverflow)
CH320465A (de) 1957-03-31

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