FR2322167A1 - Materiau cellulaire extremement leger ayant une elasticite et une resistance mecanique elevees - Google Patents

Materiau cellulaire extremement leger ayant une elasticite et une resistance mecanique elevees

Info

Publication number
FR2322167A1
FR2322167A1 FR7624527A FR7624527A FR2322167A1 FR 2322167 A1 FR2322167 A1 FR 2322167A1 FR 7624527 A FR7624527 A FR 7624527A FR 7624527 A FR7624527 A FR 7624527A FR 2322167 A1 FR2322167 A1 FR 2322167A1
Authority
FR
France
Prior art keywords
cellular material
mechanical resistance
high elasticity
extremely light
light cellular
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.)
Granted
Application number
FR7624527A
Other languages
English (en)
French (fr)
Other versions
FR2322167B1 (OSRAM
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.)
Siemens Corp
Original Assignee
Siemens Corp
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 Siemens Corp filed Critical Siemens Corp
Publication of FR2322167A1 publication Critical patent/FR2322167A1/fr
Application granted granted Critical
Publication of FR2322167B1 publication Critical patent/FR2322167B1/fr
Granted legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01QANTENNAS, i.e. RADIO AERIALS
    • H01Q1/00Details of, or arrangements associated with, antennas
    • H01Q1/42Housings not intimately mechanically associated with radiating elements, e.g. radome
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08JWORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J9/00Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof
    • C08J9/32Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof from compositions containing microballoons, e.g. syntactic foams
    • GPHYSICS
    • G10MUSICAL INSTRUMENTS; ACOUSTICS
    • G10KSOUND-PRODUCING DEVICES; METHODS OR DEVICES FOR PROTECTING AGAINST, OR FOR DAMPING, NOISE OR OTHER ACOUSTIC WAVES IN GENERAL; ACOUSTICS NOT OTHERWISE PROVIDED FOR
    • G10K11/00Methods or devices for transmitting, conducting or directing sound in general; Methods or devices for protecting against, or for damping, noise or other acoustic waves in general
    • G10K11/02Mechanical acoustic impedances; Impedance matching, e.g. by horns; Acoustic resonators

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Health & Medical Sciences (AREA)
  • Multimedia (AREA)
  • Acoustics & Sound (AREA)
  • Materials Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Transducers For Ultrasonic Waves (AREA)
  • Soundproofing, Sound Blocking, And Sound Damping (AREA)
  • Manufacture Of Porous Articles, And Recovery And Treatment Of Waste Products (AREA)
FR7624527A 1975-08-25 1976-08-11 Materiau cellulaire extremement leger ayant une elasticite et une resistance mecanique elevees Granted FR2322167A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19752537803 DE2537803A1 (de) 1975-08-25 1975-08-25 Extrem leichter schaumstoff hoher elastizitaet und festigkeit

Publications (2)

Publication Number Publication Date
FR2322167A1 true FR2322167A1 (fr) 1977-03-25
FR2322167B1 FR2322167B1 (OSRAM) 1979-07-06

Family

ID=5954806

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7624527A Granted FR2322167A1 (fr) 1975-08-25 1976-08-11 Materiau cellulaire extremement leger ayant une elasticite et une resistance mecanique elevees

Country Status (3)

Country Link
JP (1) JPS5226573A (OSRAM)
DE (1) DE2537803A1 (OSRAM)
FR (1) FR2322167A1 (OSRAM)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2526367A1 (fr) * 1982-05-06 1983-11-10 Inst Francais Du Petrole Compositions multicellulaires, utilisables notamment comme materiaux de flottabilite

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4381921A (en) 1978-12-27 1983-05-03 Eastman Kodak Company Element, structure and method for the analysis or transport of liquids
US4357363A (en) 1978-12-27 1982-11-02 Eastman Kodak Company Element, structure and method for the analysis or transport of liquids
ZA807224B (en) 1979-12-07 1982-01-27 Dunlop Ltd Foam composites
CN1065052C (zh) * 1994-10-21 2001-04-25 西铁城钟表株式会社 太阳能电池钟表面板及其制法

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE637540A (OSRAM) *
US3079289A (en) * 1955-11-01 1963-02-26 Lockheed Aircraft Corp High dielectric constant material and method of making same
DE1181397B (de) * 1953-05-18 1964-11-12 Standard Oil Co Kunststoffmasse aus miteinander verbundenen nichtmetallischen gaserfuellten Hohlteilchen
FR1553965A (OSRAM) * 1966-12-07 1969-01-17

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE637540A (OSRAM) *
DE1181397B (de) * 1953-05-18 1964-11-12 Standard Oil Co Kunststoffmasse aus miteinander verbundenen nichtmetallischen gaserfuellten Hohlteilchen
US3079289A (en) * 1955-11-01 1963-02-26 Lockheed Aircraft Corp High dielectric constant material and method of making same
FR1553965A (OSRAM) * 1966-12-07 1969-01-17

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2526367A1 (fr) * 1982-05-06 1983-11-10 Inst Francais Du Petrole Compositions multicellulaires, utilisables notamment comme materiaux de flottabilite

Also Published As

Publication number Publication date
JPS5226573A (en) 1977-02-28
DE2537803A1 (de) 1977-03-10
FR2322167B1 (OSRAM) 1979-07-06

Similar Documents

Publication Publication Date Title
US3678304A (en) Acoustic wave device for converting bulk mode waves to surface waves and vice versa
FR2322167A1 (fr) Materiau cellulaire extremement leger ayant une elasticite et une resistance mecanique elevees
JPS6447984A (en) Sound reflector for low pressure
JPS57198000A (en) Electroacoustic transducer
FR2238411A5 (en) Sound-absorbent wall panel - with thin layer of visco-elastic material between rigid layers
JPS5643899A (en) Electroacoustic converter using piezoelectric film honeycomb structure
US3019661A (en) Ultrasonic transducer and impedance matching device therefor
JPS5241775A (en) Vibration damping elastic support
JPS5693499A (en) Speaker
JPS5231726A (en) Speaker
JPS5224485A (en) Quartz vibrator
ES426899A1 (es) Un dispositivo de onda superficial acustica.
JPS5227240A (en) Surface wave filter
JPS57112198A (en) Ultrasonic wave probe and ultrasonic wave measuring device
JPS52139414A (en) Non-directional horn speaker
JPS5642494A (en) Acoustic-wave converging type transducer using high-molecular piezoelectric body
JPS57118498A (en) Speaker diaphragm and its production
JPS5234691A (en) Piezo-electric vibrator
JPS5210047A (en) Elastic surface wave apparatus and manufacture thereof
JPS5596799A (en) Production of electrostatic electroacustic transducer
JPS5245922A (en) Driving system for electric-acoustic cnverter of piezoelectric type
JPS5787298A (en) Ultrasonic transducer
JPS5219045A (en) Manufacturing process of surface acoustic wave device
JPS51113595A (en) Landupan-type vibrator
JPS5669995A (en) Diaphragm for audio loudspeaker

Legal Events

Date Code Title Description
ST Notification of lapse