NL7505383A - Luidsprekerrand, werkwijze voor de vervaardiging daarvan, en luidspreker voorzien daarvan. - Google Patents

Luidsprekerrand, werkwijze voor de vervaardiging daarvan, en luidspreker voorzien daarvan.

Info

Publication number
NL7505383A
NL7505383A NL7505383A NL7505383A NL7505383A NL 7505383 A NL7505383 A NL 7505383A NL 7505383 A NL7505383 A NL 7505383A NL 7505383 A NL7505383 A NL 7505383A NL 7505383 A NL7505383 A NL 7505383A
Authority
NL
Netherlands
Prior art keywords
expanded plastic
acoustic material
collagen fibres
minute
speaker edges
Prior art date
Application number
NL7505383A
Other languages
English (en)
Original Assignee
Fujita & Co En Hisao Sato Beid
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 Fujita & Co En Hisao Sato Beid filed Critical Fujita & Co En Hisao Sato Beid
Priority to NL7505383A priority Critical patent/NL7505383A/nl
Publication of NL7505383A publication Critical patent/NL7505383A/nl

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J9/00—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof
    • C08J9/0061—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof characterized by the use of several polymeric components
    • 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
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J2323/00—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers
    • C08J2323/02—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers not modified by chemical after treatment
    • C08J2323/04—Homopolymers or copolymers of ethene
    • C08J2323/08—Copolymers of ethene
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J2489/00—Characterised by the use of proteins; Derivatives thereof

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • Multimedia (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Diaphragms For Electromechanical Transducers (AREA)
NL7505383A 1975-05-07 1975-05-07 Luidsprekerrand, werkwijze voor de vervaardiging daarvan, en luidspreker voorzien daarvan. NL7505383A (nl)

Priority Applications (1)

Application Number Priority Date Filing Date Title
NL7505383A NL7505383A (nl) 1975-05-07 1975-05-07 Luidsprekerrand, werkwijze voor de vervaardiging daarvan, en luidspreker voorzien daarvan.

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL7505383A NL7505383A (nl) 1975-05-07 1975-05-07 Luidsprekerrand, werkwijze voor de vervaardiging daarvan, en luidspreker voorzien daarvan.

Publications (1)

Publication Number Publication Date
NL7505383A true NL7505383A (nl) 1976-11-09

Family

ID=19823710

Family Applications (1)

Application Number Title Priority Date Filing Date
NL7505383A NL7505383A (nl) 1975-05-07 1975-05-07 Luidsprekerrand, werkwijze voor de vervaardiging daarvan, en luidspreker voorzien daarvan.

Country Status (1)

Country Link
NL (1) NL7505383A (nl)

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Legal Events

Date Code Title Description
BV The patent application has lapsed