DE69301151T2 - Verfahren und Vorrichtung zur Herstellung eines Lautsprecherkonus und einer Sickenanordnung - Google Patents

Verfahren und Vorrichtung zur Herstellung eines Lautsprecherkonus und einer Sickenanordnung

Info

Publication number
DE69301151T2
DE69301151T2 DE69301151T DE69301151T DE69301151T2 DE 69301151 T2 DE69301151 T2 DE 69301151T2 DE 69301151 T DE69301151 T DE 69301151T DE 69301151 T DE69301151 T DE 69301151T DE 69301151 T2 DE69301151 T2 DE 69301151T2
Authority
DE
Germany
Prior art keywords
surround
cone
annular
annular orifice
cavity
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.)
Expired - Fee Related
Application number
DE69301151T
Other languages
English (en)
Other versions
DE69301151D1 (de
Inventor
Patrick Arthur Leach
David Ian Leach
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.)
Individual
Original Assignee
Individual
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=27266005&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=DE69301151(T2) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Priority claimed from GB929200774A external-priority patent/GB9200774D0/en
Priority claimed from GB929209345A external-priority patent/GB9209345D0/en
Priority claimed from GB929221133A external-priority patent/GB9221133D0/en
Application filed by Individual filed Critical Individual
Publication of DE69301151D1 publication Critical patent/DE69301151D1/de
Application granted granted Critical
Publication of DE69301151T2 publication Critical patent/DE69301151T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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
    • H04R31/00—Apparatus or processes specially adapted for the manufacture of transducers or diaphragms therefor
    • H04R31/003—Apparatus or processes specially adapted for the manufacture of transducers or diaphragms therefor for diaphragms or their outer suspension
    • 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
    • B29C45/16—Making multilayered or multicoloured articles
    • B29C45/1676—Making multilayered or multicoloured articles using a soft material and a rigid material, e.g. making articles with a sealing part
    • 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
    • H04R7/16—Mounting or tensioning of diaphragms or cones
    • H04R7/18—Mounting or tensioning of diaphragms or cones at the periphery
    • H04R7/20—Securing diaphragm or cone resiliently to support by flexible material, springs, cords, or strands
    • 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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R2231/00—Details of apparatus or processes specially adapted for the manufacture of transducers or diaphragms therefor covered by H04R31/00, not provided for in its subgroups
    • H04R2231/003—Manufacturing aspects of the outer suspension of loudspeaker or microphone diaphragms or of their connecting aspects to said diaphragms
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R31/00—Apparatus or processes specially adapted for the manufacture of transducers or diaphragms therefor
    • H04R31/006—Interconnection of transducer parts

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Multimedia (AREA)
  • Diaphragms For Electromechanical Transducers (AREA)
  • Injection Moulding Of Plastics Or The Like (AREA)
  • Obtaining Desirable Characteristics In Audible-Bandwidth Transducers (AREA)
  • Moulds For Moulding Plastics Or The Like (AREA)
  • Molds, Cores, And Manufacturing Methods Thereof (AREA)
DE69301151T 1992-01-15 1993-01-14 Verfahren und Vorrichtung zur Herstellung eines Lautsprecherkonus und einer Sickenanordnung Expired - Fee Related DE69301151T2 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
GB929200774A GB9200774D0 (en) 1992-01-15 1992-01-15 Loudspeakers
GB929209345A GB9209345D0 (en) 1992-04-30 1992-04-30 Loudspeakers
GB929221133A GB9221133D0 (en) 1992-10-08 1992-10-08 Loudspeakers

Publications (2)

Publication Number Publication Date
DE69301151D1 DE69301151D1 (de) 1996-02-15
DE69301151T2 true DE69301151T2 (de) 1996-05-09

Family

ID=27266005

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69301151T Expired - Fee Related DE69301151T2 (de) 1992-01-15 1993-01-14 Verfahren und Vorrichtung zur Herstellung eines Lautsprecherkonus und einer Sickenanordnung

Country Status (12)

Country Link
US (1) US6171534B1 (de)
EP (1) EP0552040B1 (de)
JP (1) JP3080098B2 (de)
AT (1) ATE132681T1 (de)
AU (1) AU3264693A (de)
CA (1) CA2087395C (de)
DE (1) DE69301151T2 (de)
DK (1) DK0552040T3 (de)
ES (1) ES2084444T3 (de)
GB (1) GB2273678B (de)
GR (1) GR3018597T3 (de)
WO (1) WO1993014608A1 (de)

Families Citing this family (43)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0715793A (ja) * 1993-06-28 1995-01-17 Sony Corp スピーカ用振動板及びその成形方法
IT1270807B (it) * 1993-09-02 1997-05-07 Esseplast Spa Procedimento per realizzare una paletta in materiale plastico e paletta ottenuta mediante il suddetto
DE4343324A1 (de) * 1993-12-18 1995-06-22 Nokia Deutschland Gmbh Aufhängung für Konuslautsprecher
US5848173A (en) * 1995-03-30 1998-12-08 Pioneer Electronic Corporation Surroundless loudspeaker
US5798127A (en) * 1995-09-15 1998-08-25 The Goodyear Tire & Rubber Company Injection molding of a tire component
IT1281924B1 (it) * 1995-12-22 1998-03-03 Sipe Srl Metodo per la realizzazione e l'applicazione del bordo anulare di sospensione delle membrane degli altoparlanti
GB9621644D0 (en) * 1997-10-14 1996-12-11 Kerwin Colin J Cistern bag
GB2322589A (en) * 1997-02-28 1998-09-02 Patrick Arthur Leach Moulding loudspeaker cone surround assembly
WO1998041055A2 (de) * 1997-03-12 1998-09-17 Siegfried Schriever Lautsprecher und verfahren zur herstellung eines lautsprechers
GB9712964D0 (en) * 1997-06-19 1997-08-27 Goodmans Loudspeakers Limited Loudspeakers
AU5049199A (en) * 1998-07-29 2000-02-21 New Transducers Limited Loudspeaker drive unit having a resonant panel-form member
US6444152B1 (en) * 1999-01-12 2002-09-03 Illinois Tool Works Inc. Method for capturing stretched fabrics in carrier frames
JP2000261885A (ja) * 1999-03-09 2000-09-22 Inoac Corp スピーカエッジ
DE19925944C2 (de) * 1999-06-08 2001-11-29 Harman Audio Electronic Sys Lautsprecher mit einem frontseitig aufgesetzten Dichtelement und Verfahren zur Herstellung eines solchen Lautsprechers
US6390232B1 (en) 1999-10-29 2002-05-21 Communications Products Corporation Speaker cone assembly
DE19957938A1 (de) * 1999-12-01 2001-06-07 Reitter & Schefenacker Gmbh Halter für einen Lautsprecher zum Einbau in Kraftfahrzeuge sowie Verfahren zu dessen Herstellung
GB2377849A (en) * 2001-07-21 2003-01-22 Kh Technology Corp Loudspeaker drive units with smooth transition to surround
WO2003016018A1 (en) * 2001-08-17 2003-02-27 Intersurgical Limited Anatomical mask
GB2367525A (en) * 2001-08-17 2002-04-10 Intersurgical Ltd Moulded anatomical mask
US20030142814A1 (en) * 2002-01-31 2003-07-31 Roy Kenneth P. Architectural sound enhancement with DTMF control
US20030142833A1 (en) * 2002-01-31 2003-07-31 Roy Kenneth P. Architectural sound enhancement with test tone diagnostics
US7548854B2 (en) 2002-01-31 2009-06-16 Awi Licensing Company Architectural sound enhancement with pre-filtered masking sound
US20030144847A1 (en) * 2002-01-31 2003-07-31 Roy Kenneth P. Architectural sound enhancement with radiator response matching EQ
US6983819B2 (en) * 2002-04-02 2006-01-10 Awi Licensing Company Entertainment sound panels
US20030198339A1 (en) * 2002-04-19 2003-10-23 Roy Kenneth P. Enhanced sound processing system for use with sound radiators
AU2002313267A1 (en) * 2002-06-26 2004-01-19 Matsushita Electric Industrial Co., Ltd. Loudspeaker edge
US20040094868A1 (en) * 2002-11-15 2004-05-20 Wen-Teng Yu Equipment and method of manufacturing an amplifier
US7488259B2 (en) * 2003-02-19 2009-02-10 Fukoku Co., Ltd. Resin boots for constant velocity universal joint
JP3657944B2 (ja) * 2003-02-19 2005-06-08 株式会社フコク 等速ジョイント用樹脂製ブーツの製造方法等速ジョイント用樹脂製ブーツの製造装置
EP1484941B1 (de) * 2003-06-04 2006-09-27 Harman/Becker Automotive Systems GmbH Lautsprecher
CN102307324B (zh) 2005-09-21 2014-10-08 共达欧洲研究与发展有限责任公司 具有机械支撑的嵌件模制的包裹物
US7876923B2 (en) 2006-02-27 2011-01-25 Finnegan Brendan J Loudspeaker gasketing
JP5471435B2 (ja) * 2009-12-28 2014-04-16 パナソニック株式会社 スピーカ用振動板及びこれを用いたスピーカと携帯端末装置
WO2011122673A1 (ja) * 2010-03-30 2011-10-06 株式会社ブリヂストン 音響用振動板の製造方法
US8540049B2 (en) * 2010-12-23 2013-09-24 Bose Corporation Acoustic diaphragm suspending
WO2012155726A1 (zh) * 2011-05-19 2012-11-22 Huang Xinmin 一种电磁振动器的振动板装置及其制作方法
US8638975B2 (en) 2011-08-17 2014-01-28 Bose Corporation Wiper seal for passive radiator
JP5626540B2 (ja) * 2012-04-02 2014-11-19 オンキヨー株式会社 スピーカー振動板およびこれを用いたスピーカー
US9788122B2 (en) * 2012-12-26 2017-10-10 Xin Min HUANG Vibrating panel device for electromagnetic vibrator and manufacture method thereof
DE102013205141A1 (de) * 2013-03-22 2014-09-25 BSH Bosch und Siemens Hausgeräte GmbH Schmelzeleitsystem für In-Mold-Decoration (IMD)- oder In-Mold-Labeling (IML)-Verfahren zum Spritzgießen
DE102015205645B4 (de) 2015-03-27 2018-02-15 Technogel Gmbh Spritzgussteil mit einem Basisteil und einem daran befestigten polsternden Formteil und Verfahren zu seiner Herstellung
DE102017119865A1 (de) * 2016-09-07 2018-03-08 Sennheiser Electronic Gmbh & Co. Kg Elektrodynamischer Schallwandler und Verfahren zum Herstellen eines elektrodynamischen Schallwandlers
EP4223481A1 (de) * 2022-02-07 2023-08-09 ABB Schweiz AG Gehäuseelement für ein elektrisches gerät mit einer integrierten dichtung und verfahren zur herstellung eines solchen gehäuseelements für ein elektrisches gerät

Family Cites Families (30)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3150441A (en) 1959-05-06 1964-09-29 Klh Res And Dev Corp Method of making a loudspeaker
US3573396A (en) * 1964-02-05 1971-04-06 Electronic Res Ass Loudspeaker having improved diaphragm
AT274080B (de) 1967-07-05 1969-09-10 Philips Nv Schallwandler mit einer Schaumstoffmembran
US3684052A (en) 1970-02-13 1972-08-15 Hiromi Sotome Suspension for loudspeaker
US3961378A (en) * 1973-01-19 1976-06-08 White Stanley F Cone construction for loudspeaker
AT338351B (de) 1975-04-29 1977-08-25 Philips Nv Elektroakustischer wandler, verfahren zur herstellung eines solchen wandlers und vorrichtung zur durchfuhrung solcher verfahren
GB1563511A (en) 1976-03-19 1980-03-26 Harwood H Diaphragms for electroacoustic transducers
US4158756A (en) 1976-08-27 1979-06-19 Bose Corporation Dynamic loudspeaker with plastic basket encapsulating front pole plate
GB1604934A (en) 1978-05-30 1981-12-16 Mordaunt Short Ltd Loudspeaker cone terminations and their formation
JPS5574297A (en) 1978-11-29 1980-06-04 Pioneer Electronic Corp Manufacture for speaker edge
JPS6053518B2 (ja) * 1979-01-11 1985-11-26 パイオニア株式会社 スピ−カ用振動系の形成方法
DE7925593U1 (de) * 1979-09-10 1980-02-28 Deutsche Semperit Gmbh, 8000 Muenchen Lautsprechermembran
DE3036876C2 (de) 1979-10-02 1983-09-08 Victor Company Of Japan, Ltd., Yokohama, Kanagawa Lautsprecher mit einer Membran und einem Schwingspulenkörper
DE3018790A1 (de) 1980-05-16 1981-11-26 Friedrich Wilhelm Ing.(grad.) 5880 Lüdenscheid Bracht Kegel einer lautsprechermembran
JPS5853299A (ja) 1981-09-25 1983-03-29 Seiko Instr & Electronics Ltd 動電形スピ−カ
NL8200690A (nl) 1982-02-22 1983-09-16 Philips Nv Luidsprekermembraan bevattende een laag van polymethacrylimideschuim.
JPS58201496A (ja) * 1982-05-20 1983-11-24 Sanyo Electric Co Ltd スピ−カ用振動板の製造方法
DE3241757A1 (de) 1982-11-11 1984-05-17 Elektrotechnik Ehmann Gmbh, 6953 Gundelsheim Schwingeinsatz fuer einen elektromechanischen wandler und verfahren zu dessen herstellung
US4755339A (en) * 1983-06-17 1988-07-05 Sheller-Globe Corporation Method and apparatus for making molded window gasket
JPS60204195A (ja) * 1984-03-29 1985-10-15 Trio Kenwood Corp 音響機器用部材及びその製造方法
DE3725965A1 (de) 1987-08-05 1989-02-16 Signode System Gmbh Verfahren zur herstellung von formkoerpern aus papier und einem thermoplastischen kunststoff
US5115510A (en) 1987-10-20 1992-05-19 Sharp Kabushiki Kaisha Multistage data flow processor with instruction packet, fetch, storage transmission and address generation controlled by destination information
US4793793A (en) * 1988-03-28 1988-12-27 Davidson Textron Inc. Apparatus having fluid pressure plastic skin folding means for making foamed articles
JPH0681355B2 (ja) * 1988-08-05 1994-10-12 ミネベア株式会社 スピーカ用振動板の製造方法及びその装置
DE3831867A1 (de) * 1988-09-20 1990-03-29 Nokia Unterhaltungselektronik Membran mit sicke
JPH02209215A (ja) * 1989-02-10 1990-08-20 Pioneer Electron Corp スピーカ用振動板の成形金型装置
JPH02260799A (ja) 1989-03-30 1990-10-23 Pioneer Electron Corp スピーカおよびその製造方法
JP2670365B2 (ja) * 1989-10-23 1997-10-29 ソニー株式会社 振動板の製造方法
US5096651A (en) * 1990-05-23 1992-03-17 Le Comte Adolf Method for manufacturing an object of synthetic resin
US5220863A (en) * 1992-05-18 1993-06-22 Westinghouse Air Brake Company Conical diaphragm and method of making

Also Published As

Publication number Publication date
GB2273678A (en) 1994-06-29
AU3264693A (en) 1993-08-03
GB2273678B (en) 1995-05-03
DE69301151D1 (de) 1996-02-15
EP0552040A1 (de) 1993-07-21
JPH07503108A (ja) 1995-03-30
CA2087395A1 (en) 1993-07-16
WO1993014608A1 (en) 1993-07-22
CA2087395C (en) 2001-10-23
DK0552040T3 (da) 1996-02-05
EP0552040B1 (de) 1996-01-03
GR3018597T3 (en) 1996-04-30
ATE132681T1 (de) 1996-01-15
US6171534B1 (en) 2001-01-09
JP3080098B2 (ja) 2000-08-21
GB9403073D0 (en) 1994-04-06
ES2084444T3 (es) 1996-05-01

Similar Documents

Publication Publication Date Title
DE69301151D1 (de) Verfahren und Vorrichtung zur Herstellung eines Lautsprecherkonus und einer Sickenanordnung
ATE172143T1 (de) Verfahren und vorrichtung zur herstellung eines farbbeschichteten gegenstandes
HUP0000909A2 (hu) Fröccsöntési eljárás és berendezés két komponensből termékek előállítására
MY114403A (en) A resin molding machine with release film
EP0625418A4 (de) Verfahren zum umhüllen von einem aus harz geformten gegenstand, dazugegehörende vorrichtung, verwendetes umhüllungsmaterial und durch dieses verfahren geformter gegenstand.
DE69225506D1 (de) Verfahren zum Spritzgiessen eines thermoplastischen Kunststoffes und Spritzgiessform
ATE290948T1 (de) Lösbarer düsenkörper und verfahren
ATE308106T1 (de) Verfahren zur herstellung eines hohlen verbundisolators
DE69527663T2 (de) Verfahren zur Herstellung von Formlingen auf plattenförmigen Gegenständen mittels Strangpressdüse
ZA811790B (en) Method and device for eliminating the feeder head portion which results at the end of the injection moulding process for articles of thermoplastic material
DE69407074D1 (de) Verfahren zur Herstellung eines länglichen Gegenstandes und Spritzgiessvorrichtung zu dessen Herstellung
DE3781912D1 (de) Verfahren zur herstellung eines verbundrohres und vorrichtung zur durchfuehrung des verfahrens.
DE59703974D1 (de) Verfahren zur herstellung von spritzlingen
ATE208257T1 (de) Verfahren zur herstellung eines kunststoffgegenstands
ATE190263T1 (de) Verfahren zum tiefziehen eines wannenförmigen sanitärteils aus einem thermoplastisch verformbaren kunststoff und formkörper zur durchführung des verfahrens
DE69903975T2 (de) Blasgeformter behälter mit verstärkungsrippen und verfahren und vorrichtung zu seiner herstellung
ATE86180T1 (de) Vorrichtung zur herstellung einer verglasung, versehen mit einer seitlichen schutzdichtung fuer die kanten und verwendung der vorrichtung.
DE69401789T2 (de) Verfahren zur Herstellung eines Formteils aus Verbundwerkstoff zusammengestellt aus einem zentralen Körper und Stabilisierungsflossen
JPS57129733A (en) Method and apparatus for manufacturing patterned material
DE3170554D1 (en) Injection moulding process for making the lower part of a plastics container
JPH06226781A (ja) 中空射出成形品及びその製造方法
Higashi et al. Resin mould-covering method for moulded resin products, resin mould-covering apparatus employed in the same method, material used for the same cover-moulding, and moulded product formed by the same method
DE59810018D1 (de) Verfahren und Spritzgiessform zur Herstellung eines spritzgegossenen Bauelements

Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee