DK277775A - Hojtalergitre - Google Patents

Hojtalergitre

Info

Publication number: DK277775A
Authority: DK; Denmark
Prior art keywords: hojtalergitre
Prior art date: 1974-06-21

Application number

DK277775A

Other languages

English (en)

Inventor

G Kuhfus

Original Assignee

Northern Electric Co

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.)

1974-06-21

Filing date

1975-06-19

Publication date

1975-12-22

1975-06-19 Application filed by Northern Electric Co filed Critical Northern Electric Co

1975-12-22 Publication of DK277775A publication Critical patent/DK277775A/da

Links

Classifications

- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; ELECTRIC HEARING AIDS; 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)

DK277775A 1974-06-21 1975-06-19 Hojtalergitre DK277775A (da)

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
DK277775A true DK277775A (da)	1975-12-22

Family

ID=4100464

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
DK277775A DK277775A (da)	1974-06-21	1975-06-19	Hojtalergitre

Country Status (13)

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

Families Citing this family (5)

* 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
CN114531635B (zh) *	2022-03-02	2026-02-10	江西融贤声学科技有限公司	一种扬声器

1974
- 1974-06-21 CA CA203,106A patent/CA992875A/en not_active Expired
1975
- 1975-06-11 GB GB2505975A patent/GB1473047A/en not_active Expired
- 1975-06-12 NO NO752097A patent/NO752097L/no unknown
- 1975-06-19 DK DK277775A patent/DK277775A/da unknown
- 1975-06-19 SE SE7507132A patent/SE7507132L/xx unknown
- 1975-06-20 FR FR7519442A patent/FR2275955A1/fr not_active Withdrawn
- 1975-06-20 JP JP50074595A patent/JPS5113508A/ja active Pending
- 1975-06-20 IT IT24629/75A patent/IT1039191B/it active
- 1975-06-20 ES ES1975213321U patent/ES213321Y/es not_active Expired
- 1975-06-20 IE IE1384/75A patent/IE41565B1/en unknown
- 1975-06-20 NL NL7507377.A patent/NL165023B/xx not_active Application Discontinuation
- 1975-06-20 DE DE19752527542 patent/DE2527542A1/de not_active Withdrawn
- 1975-06-20 BE BE157553A patent/BE830491A/xx unknown

Also Published As

Publication number	Publication date
ES213321U (es)	1976-06-16
GB1473047A (en)	1977-05-11
BE830491A (fr)	1975-10-16
FR2275955A1 (fr)	1976-01-16
SE7507132L (sv)	1975-12-22
NO752097L (da)	1975-12-23
IT1039191B (it)	1979-12-10
NL7507377A (nl)	1975-12-23
DE2527542A1 (de)	1976-01-08
IE41565L (en)	1975-12-21
ES213321Y (es)	1976-11-01
JPS5113508A (da)	1976-02-03
IE41565B1 (en)	1980-01-30
NL165023B (nl)	1980-09-15
CA992875A (en)	1976-07-13

Publication	Publication Date	Title
BE824255A (fr)	1975-07-09	Aryloxyphenylpropylamines
ATA277375A (de)	1976-02-15	Deodorantien
ATA277475A (de)	1976-02-15	Deodorantien
BE824920A (fr)	1975-05-15	Servo-distributeur
BE827298A (fr)	1975-09-29	Acylurfidocephalosporines
AT338077B (de)	1977-07-25	Handmuhle
BE827404A (fr)	1975-09-29	Automatische c02 - gehaltemeter
AT340188B (de)	1977-11-25	Samaschine
AT345679B (de)	1978-09-25	Kettenschloss
AT338025B (de)	1977-07-25	Samaschine
BE826270A (fr)	1975-09-04	Brandkraan
BE826556A (fr)	1975-09-11	Haveuse
BE828211A (fr)	1975-10-22	Vincadioline
JPS5112571A (ja)	1976-01-31	Unbinsochi
AT342532B (de)	1978-04-10	Sparkerze
BE824358R (fr)	1975-05-02	Phenolethanolamine acylff
AT335386B (de)	1977-03-10	Kettbaum
BE823015A (fr)	1975-04-01	Sorbetiere
BE827338A (fr)	1975-09-29	Trifluoroethylanilines
ATA461175A (de)	1977-02-15	Mullcontainer
BE829863A (fr)	1975-10-01	Petard
BE828179A (fr)	1975-08-18	Snijmachine
BE825385A (fr)	1975-08-11	Elektrofotografisch filmdeel
BE826873A (fr)	1975-09-19	Alkylsulfonylphenoxypropanolamines
AT337487B (de)	1977-07-11	Pfeifenreiber