DE68909849D1 - Spritzgiessverfahren mit Anwendung eines Überdrucks. - Google Patents

Spritzgiessverfahren mit Anwendung eines Überdrucks.

Info

Publication number
DE68909849D1
DE68909849D1 DE89306183T DE68909849T DE68909849D1 DE 68909849 D1 DE68909849 D1 DE 68909849D1 DE 89306183 T DE89306183 T DE 89306183T DE 68909849 T DE68909849 T DE 68909849T DE 68909849 D1 DE68909849 D1 DE 68909849D1
Authority
DE
Germany
Prior art keywords
overpressure
injection molding
molding process
injection
molding
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
DE89306183T
Other languages
English (en)
Other versions
DE68909849T2 (de
Inventor
Hisashi Kojima
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.)
Smt Inc Yokohama Kanagawa Jp
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
Application filed by Individual filed Critical Individual
Publication of DE68909849D1 publication Critical patent/DE68909849D1/de
Application granted granted Critical
Publication of DE68909849T2 publication Critical patent/DE68909849T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • B29C45/17—Component parts, details or accessories; Auxiliary operations
    • B29C45/26—Moulds
    • B29C45/34—Moulds having venting means
    • 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
    • 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
    • B29C45/263—Moulds with mould wall parts provided with fine grooves or impressions, e.g. for record discs
    • 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
    • B29C45/46—Means for plasticising or homogenising the moulding material or forcing it into the mould
    • B29C45/56—Means for plasticising or homogenising the moulding material or forcing it into the mould using mould parts movable during or after injection, e.g. injection-compression moulding
    • B29C45/561—Injection-compression moulding
    • 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
    • B29C45/46—Means for plasticising or homogenising the moulding material or forcing it into the mould
    • B29C45/57—Exerting after-pressure on the moulding material
    • 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
    • B29L2011/00—Optical elements, e.g. lenses, prisms
    • B29L2011/0016—Lenses

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Mechanical Engineering (AREA)
  • Injection Moulding Of Plastics Or The Like (AREA)
  • Moulds For Moulding Plastics Or The Like (AREA)
DE89306183T 1988-06-21 1989-06-19 Spritzgiessverfahren mit Anwendung eines Überdrucks. Expired - Fee Related DE68909849T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP63152981A JP2872247B2 (ja) 1988-06-21 1988-06-21 パルス射出圧縮成形法

Publications (2)

Publication Number Publication Date
DE68909849D1 true DE68909849D1 (de) 1993-11-18
DE68909849T2 DE68909849T2 (de) 1994-02-10

Family

ID=15552354

Family Applications (1)

Application Number Title Priority Date Filing Date
DE89306183T Expired - Fee Related DE68909849T2 (de) 1988-06-21 1989-06-19 Spritzgiessverfahren mit Anwendung eines Überdrucks.

Country Status (4)

Country Link
US (1) US5059370A (de)
EP (1) EP0348129B1 (de)
JP (1) JP2872247B2 (de)
DE (1) DE68909849T2 (de)

Families Citing this family (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5244606A (en) * 1992-06-08 1993-09-14 Galic Maus Ventures Faster cycling method and apparatus for optical disk removal from injection mold
US5248467A (en) * 1992-07-27 1993-09-28 Cushman William B Injection of molding material into molds that may contain cores and/or fibers
US5595692A (en) * 1994-09-13 1997-01-21 United Technologies Corporation Method of repairing resin impregnated articles
JPH09201839A (ja) * 1996-01-24 1997-08-05 Meiki Co Ltd コンプレッション成形方法およびコンプレッション成形機
DE19651879C2 (de) * 1996-12-13 1999-04-08 Karl Hehl Verfahren zur Aufbringung des Nachdrucks bei der Herstellung von Spritzlingen
DE69826329T2 (de) * 1997-07-07 2005-10-27 Toyo Machinery & Metal Co. Ltd. Spritzgiessverfahren mit elektrischer Betätigung
US6284162B1 (en) * 1999-03-25 2001-09-04 Sola International, Inc. Molding method for manufacturing thin thermoplastic lenses
US6440335B1 (en) 1998-12-30 2002-08-27 Sola International, Inc. Process for molding thermoplastic lenses and, steeply curved and/or thin lenses produced thereby
NL1012107C2 (nl) * 1999-05-19 2000-11-23 Axxicon Moulds Eindhoven Bv Werkwijze en inrichting voor het spuitgieten van voorwerpen.
US6537470B1 (en) * 2000-09-01 2003-03-25 Honeywell International Inc. Rapid densification of porous bodies (preforms) with high viscosity resins or pitches using a resin transfer molding process
US7814641B2 (en) 2001-01-09 2010-10-19 Black & Decker Inc. Method of forming a power tool
US7096566B2 (en) 2001-01-09 2006-08-29 Black & Decker Inc. Method for making an encapsulated coil structure
JP3785393B2 (ja) * 2002-10-23 2006-06-14 東芝機械株式会社 射出成形機の型締め工程における異常検知方法
US6939490B2 (en) 2002-12-11 2005-09-06 Honeywell International Inc. Process for unidirectional infiltration of preform with molten resin or pitch
US7025913B2 (en) 2003-04-04 2006-04-11 Honeywell International Inc. Delivery of pitch/thermoplastic/thermoset resins in RTM systems
US20050184413A1 (en) * 2004-02-20 2005-08-25 Forest Mark L.L. Versatile mold flow capability in the infiltration of porous carbon preforms with pitch/thermoplastic/thermoset resins
ATE402006T1 (de) * 2004-02-27 2008-08-15 Insa Inst Nat Des Sciences App Verfahren und vorrichtung zur herstellung von einer optischen linse
DE102006018132B4 (de) * 2006-04-19 2010-07-15 Ros Gmbh & Co. Kg Verfahren und Vorrichtung zum Herstellen eines Duroplastformteils
US7766942B2 (en) * 2006-08-31 2010-08-03 Warsaw Orthopedic, Inc. Polymer rods for spinal applications
US7908736B2 (en) * 2007-11-21 2011-03-22 Black & Decker Inc. Method of making an armature
DE102017213358A1 (de) * 2017-08-02 2019-02-07 Zumtobel Lighting Gmbh Verfahren zur Herstellung von Kunststoffteilen

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3989436A (en) * 1975-12-18 1976-11-02 Rca Corporation Apparatus for producing injection molded and centrally apertured disc records
SE415464B (sv) * 1978-09-29 1980-10-06 Josef Kubat Tryckalstringsanordning vid formsprutning och anvendning derav
DE3279339D1 (en) * 1982-05-09 1989-02-16 Technoplas Inc Injection molding method and apparatus
JPS608021A (ja) * 1983-06-28 1985-01-16 Tekunopurasu:Kk 圧縮成形方法
JPH0657992B2 (ja) * 1985-08-14 1994-08-03 高周波熱錬株式会社 鉄筋コンクリート柱・梁の剪断補強筋配筋構造
AT384772B (de) * 1986-03-17 1988-01-11 Cincinnati Milacron Austria Verfahren zum herstellen von spritzgussteilen
JPH0675888B2 (ja) * 1986-11-28 1994-09-28 ソニー株式会社 デイスクの射出成形方法

Also Published As

Publication number Publication date
US5059370A (en) 1991-10-22
JPH01320125A (ja) 1989-12-26
EP0348129A2 (de) 1989-12-27
EP0348129A3 (de) 1991-05-22
EP0348129B1 (de) 1993-10-13
DE68909849T2 (de) 1994-02-10
JP2872247B2 (ja) 1999-03-17

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8327 Change in the person/name/address of the patent owner

Owner name: SMT INC., YOKOHAMA, KANAGAWA, JP

8381 Inventor (new situation)

Inventor name: KOJIMA, HISASHI, TOKIO/TOKYO, JP

8339 Ceased/non-payment of the annual fee