BE830491A - Grilles pour haut-parleurs - Google Patents

Grilles pour haut-parleurs

Info

Publication number
BE830491A
BE830491A BE157553A BE157553A BE830491A BE 830491 A BE830491 A BE 830491A BE 157553 A BE157553 A BE 157553A BE 157553 A BE157553 A BE 157553A BE 830491 A BE830491 A BE 830491A
Authority
BE
Belgium
Prior art keywords
speaker grills
grills
speaker
Prior art date
Application number
BE157553A
Other languages
English (en)
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
Publication of BE830491A publication Critical patent/BE830491A/fr

Links

Classifications

    • 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
    • B29C65/00—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor
    • B29C65/02—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure
    • B29C65/08—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using ultrasonic vibrations
    • 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
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/01—General aspects dealing with the joint area or with the area to be joined
    • B29C66/05—Particular design of joint configurations
    • B29C66/302—Particular design of joint configurations the area to be joined comprising melt initiators
    • B29C66/3022—Particular design of joint configurations the area to be joined comprising melt initiators said melt initiators being integral with at least one of the parts to be joined
    • B29C66/30223—Particular design of joint configurations the area to be joined comprising melt initiators said melt initiators being integral with at least one of the parts to be joined said melt initiators being rib-like
    • 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
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/40—General aspects of joining substantially flat articles, e.g. plates, sheets or web-like materials; Making flat seams in tubular or hollow articles; Joining single elements to substantially flat surfaces
    • B29C66/47—Joining single elements to sheets, plates or other substantially flat surfaces

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Details Of Audible-Bandwidth Transducers (AREA)
  • Telephone Set Structure (AREA)
BE157553A 1974-06-21 1975-06-20 Grilles pour haut-parleurs BE830491A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA203,106A CA992875A (en) 1974-06-21 1974-06-21 Speaker grills

Publications (1)

Publication Number Publication Date
BE830491A true BE830491A (fr) 1975-10-16

Family

ID=4100464

Family Applications (1)

Application Number Title Priority Date Filing Date
BE157553A BE830491A (fr) 1974-06-21 1975-06-20 Grilles pour haut-parleurs

Country Status (13)

Country Link
JP (1) JPS5113508A (fr)
BE (1) BE830491A (fr)
CA (1) CA992875A (fr)
DE (1) DE2527542A1 (fr)
DK (1) DK277775A (fr)
ES (1) ES213321Y (fr)
FR (1) FR2275955A1 (fr)
GB (1) GB1473047A (fr)
IE (1) IE41565B1 (fr)
IT (1) IT1039191B (fr)
NL (1) NL165023B (fr)
NO (1) NO752097L (fr)
SE (1) SE7507132L (fr)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5699127A (en) * 1979-12-29 1981-08-10 Electroplating Eng Of Japan Co Automatic plating device
DE9113951U1 (de) * 1991-11-09 1992-01-02 Metalpraecis Berchem + Schaberg Gesellschaft für Metallformgebung mbH, 4650 Gelsenkirchen Absperrvorrichtung zum Einbau in eine Rohrleitung, die ein heißes strömendes Medium führt
JP2010114806A (ja) * 2008-11-10 2010-05-20 Toppan Printing Co Ltd スピーカーグリルとその製造方法、およびスピーカーグリルを付設したスピーカー
CN111328002B (zh) * 2018-12-17 2024-06-11 海湾安全技术有限公司 报警器和声装置

Also Published As

Publication number Publication date
SE7507132L (sv) 1975-12-22
IE41565L (en) 1975-12-21
DE2527542A1 (de) 1976-01-08
NO752097L (fr) 1975-12-23
ES213321U (es) 1976-06-16
CA992875A (en) 1976-07-13
IE41565B1 (en) 1980-01-30
FR2275955A1 (fr) 1976-01-16
IT1039191B (it) 1979-12-10
NL165023B (nl) 1980-09-15
GB1473047A (en) 1977-05-11
NL7507377A (nl) 1975-12-23
DK277775A (da) 1975-12-22
ES213321Y (es) 1976-11-01
JPS5113508A (fr) 1976-02-03

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