GB9704142D0 - Loudspeakers - Google Patents

Loudspeakers

Info

Publication number
GB9704142D0
GB9704142D0 GBGB9704142.0A GB9704142A GB9704142D0 GB 9704142 D0 GB9704142 D0 GB 9704142D0 GB 9704142 A GB9704142 A GB 9704142A GB 9704142 D0 GB9704142 D0 GB 9704142D0
Authority
GB
United Kingdom
Prior art keywords
loudspeakers
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.)
Withdrawn
Application number
GBGB9704142.0A
Other versions
GB2322589A (en
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.)
LEACH DAVID I
LEACH PATRICK A
Original Assignee
LEACH DAVID I
LEACH PATRICK A
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 LEACH DAVID I, LEACH PATRICK A filed Critical LEACH DAVID I
Priority to GB9704142A priority Critical patent/GB2322589A/en
Priority to TW86102743A priority patent/TW317068B/en
Publication of GB9704142D0 publication Critical patent/GB9704142D0/en
Publication of GB2322589A publication Critical patent/GB2322589A/en
Withdrawn legal-status Critical Current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
    • B29C45/17—Component parts, details or accessories; Auxiliary operations
    • B29C45/26—Moulds
    • B29C45/27—Sprue channels ; Runner channels or runner nozzles
    • B29C45/2701—Details not specific to hot or cold runner channels
    • B29C45/2708—Gates
    • 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
    • H04R7/02—Diaphragms for electromechanical transducers; Cones characterised by the construction
    • H04R7/12—Non-planar diaphragms or cones
    • 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
    • B29C45/17—Component parts, details or accessories; Auxiliary operations
    • B29C45/26—Moulds
    • B29C45/27—Sprue channels ; Runner channels or runner nozzles
    • B29C45/2701—Details not specific to hot or cold runner channels
    • B29C45/2708—Gates
    • B29C2045/2714—Gates elongated, e.g. film-like, annular
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
    • B29L2031/00—Other particular articles
    • B29L2031/34—Electrical apparatus, e.g. sparking plugs or parts thereof
    • B29L2031/3418—Loud speakers

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Mechanical Engineering (AREA)
  • Multimedia (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Diaphragms For Electromechanical Transducers (AREA)
GB9704142A 1997-02-28 1997-02-28 Moulding loudspeaker cone surround assembly Withdrawn GB2322589A (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
GB9704142A GB2322589A (en) 1997-02-28 1997-02-28 Moulding loudspeaker cone surround assembly
TW86102743A TW317068B (en) 1997-02-28 1997-03-06 Loudspeakers

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB9704142A GB2322589A (en) 1997-02-28 1997-02-28 Moulding loudspeaker cone surround assembly

Publications (2)

Publication Number Publication Date
GB9704142D0 true GB9704142D0 (en) 1997-04-16
GB2322589A GB2322589A (en) 1998-09-02

Family

ID=10808449

Family Applications (1)

Application Number Title Priority Date Filing Date
GB9704142A Withdrawn GB2322589A (en) 1997-02-28 1997-02-28 Moulding loudspeaker cone surround assembly

Country Status (2)

Country Link
GB (1) GB2322589A (en)
TW (1) TW317068B (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3555509B2 (en) 1999-06-29 2004-08-18 株式会社村田製作所 Speaker
EP2319676B1 (en) * 2009-11-04 2016-10-05 Carl Freudenberg KG Device for manufacturing elastomer products
FR3039451B1 (en) * 2015-07-28 2017-12-29 Renault Sas INJECTION MOLD AND ASSOCIATED METHOD OF INJECTING PLASTIC MATERIAL.

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0552040B1 (en) * 1992-01-15 1996-01-03 Patrick Arthur Leach Method and apparatus for making a loudspeaker cone and surround assembly

Also Published As

Publication number Publication date
TW317068B (en) 1997-10-01
GB2322589A (en) 1998-09-02

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Legal Events

Date Code Title Description
WAP Application withdrawn, taken to be withdrawn or refused ** after publication under section 16(1)