FR2690300B1 - - Google Patents

Info

Publication number
FR2690300B1
FR2690300B1 FR9204850A FR9204850A FR2690300B1 FR 2690300 B1 FR2690300 B1 FR 2690300B1 FR 9204850 A FR9204850 A FR 9204850A FR 9204850 A FR9204850 A FR 9204850A FR 2690300 B1 FR2690300 B1 FR 2690300B1
Authority
FR
France
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 - Fee Related
Application number
FR9204850A
Other languages
French (fr)
Other versions
FR2690300A1 (fr
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 FR9204850A priority Critical patent/FR2690300A1/fr
Publication of FR2690300A1 publication Critical patent/FR2690300A1/fr
Application granted granted Critical
Publication of FR2690300B1 publication Critical patent/FR2690300B1/fr
Granted legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
    • B29C45/14—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor incorporating preformed parts or layers, e.g. injection moulding around inserts or for coating articles
    • B29C45/14336—Coating a portion of the article, e.g. the edge of the article
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
    • B29C45/14—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor incorporating preformed parts or layers, e.g. injection moulding around inserts or for coating articles
    • B29C45/14778—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor incorporating preformed parts or layers, e.g. injection moulding around inserts or for coating articles the article consisting of a material with particular properties, e.g. porous, brittle
    • B29C45/14795—Porous or permeable material, e.g. foam
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R1/00—Details of transducers, loudspeakers or microphones
    • H04R1/02—Casings; Cabinets ; Supports therefor; Mountings therein
    • H04R1/023—Screens for loudspeakers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
    • B29C45/14—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor incorporating preformed parts or layers, e.g. injection moulding around inserts or for coating articles
    • B29C45/14336—Coating a portion of the article, e.g. the edge of the article
    • B29C2045/14442—Coating a portion of the article, e.g. the edge of the article injecting a grill or grid on the insert

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Injection Moulding Of Plastics Or The Like (AREA)
  • Details Of Audible-Bandwidth Transducers (AREA)
FR9204850A 1992-04-21 1992-04-21 Cache de protection contre les poussières et son procédé de fabrication. Granted FR2690300A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR9204850A FR2690300A1 (fr) 1992-04-21 1992-04-21 Cache de protection contre les poussières et son procédé de fabrication.

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR9204850A FR2690300A1 (fr) 1992-04-21 1992-04-21 Cache de protection contre les poussières et son procédé de fabrication.

Publications (2)

Publication Number Publication Date
FR2690300A1 FR2690300A1 (fr) 1993-10-22
FR2690300B1 true FR2690300B1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1997-02-14

Family

ID=9429059

Family Applications (1)

Application Number Title Priority Date Filing Date
FR9204850A Granted FR2690300A1 (fr) 1992-04-21 1992-04-21 Cache de protection contre les poussières et son procédé de fabrication.

Country Status (1)

Country Link
FR (1) FR2690300A1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ES2115524B1 (es) * 1996-03-12 1999-02-16 Lab Radio S A Mejoras introducidas en la fabricacion de rejillas plasticas para altavoces.
DE602004029276D1 (de) * 2003-11-25 2010-11-04 Nxp Bv Elektroakustische vorrichtung mit kanalmitteln zum ändern der akustischen ausgangsimpedanz
US9848255B1 (en) 2013-10-22 2017-12-19 Christopher Jack Brown Method for manufacturing a plastic speaker grill for wireless speaker assembly
DE102022108952B3 (de) * 2022-04-12 2023-10-05 Lisa Dräxlmaier GmbH Interieurdekorbauteil zum verkleiden einer kraftfahrzeuglautsprecheranordnung sowie verfahren zum herstellen eines interieurdekorbauteils

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1431181A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) * 1972-08-22 1976-04-07 Kawahara
DE2404943B2 (de) * 1974-02-01 1975-12-04 Siemens Ag, 1000 Berlin Und 8000 Muenchen Elektroakustischer Wandler
DE2612941B2 (de) * 1976-03-26 1978-09-28 Hans G. Hennel Gmbh Und Co Kg, 6390 Usingen Schutzabdeckung für Lautsprecher
AT385384B (de) * 1986-07-28 1988-03-25 Stastny & Schroegendorfer Ges Lautsprecherabdeckung

Also Published As

Publication number Publication date
FR2690300A1 (fr) 1993-10-22

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Legal Events

Date Code Title Description
ST Notification of lapse