DE69119430D1 - Spritzgussverfahren - Google Patents

Spritzgussverfahren

Info

Publication number
DE69119430D1
DE69119430D1 DE69119430T DE69119430T DE69119430D1 DE 69119430 D1 DE69119430 D1 DE 69119430D1 DE 69119430 T DE69119430 T DE 69119430T DE 69119430 T DE69119430 T DE 69119430T DE 69119430 D1 DE69119430 D1 DE 69119430D1
Authority
DE
Germany
Prior art keywords
foam
mold
melt
polymer
accumulator
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 - Lifetime
Application number
DE69119430T
Other languages
English (en)
Inventor
Richard F Gianni
Daniel E Gianni
Michael H Clement
Michael R Meyers
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.)
Quantum Plastics Inc
Original Assignee
Quantum Plastics Inc
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 Quantum Plastics Inc filed Critical Quantum Plastics Inc
Application granted granted Critical
Publication of DE69119430D1 publication Critical patent/DE69119430D1/de
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • B29C44/00—Shaping by internal pressure generated in the material, e.g. swelling or foaming ; Producing porous or cellular expanded plastics articles
    • B29C44/34—Auxiliary operations
    • B29C44/58—Moulds
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
    • B29B7/00—Mixing; Kneading
    • B29B7/74—Mixing; Kneading using other mixers or combinations of mixers, e.g. of dissimilar mixers ; Plant
    • B29B7/7404—Mixing devices specially adapted for foamable substances
    • B29B7/7409—Mixing devices specially adapted for foamable substances with supply of gas
    • B29B7/7414—Mixing devices specially adapted for foamable substances with supply of gas with rotatable stirrer, e.g. using an intermeshing rotor-stator system
    • 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
    • B29C44/00—Shaping by internal pressure generated in the material, e.g. swelling or foaming ; Producing porous or cellular expanded plastics articles
    • B29C44/34—Auxiliary operations
    • B29C44/36—Feeding the material to be shaped
    • B29C44/38—Feeding the material to be shaped into a closed space, i.e. to make articles of definite length
    • B29C44/42—Feeding the material to be shaped into a closed space, i.e. to make articles of definite length using pressure difference, e.g. by injection or by vacuum
    • B29C44/421—Feeding the material to be shaped into a closed space, i.e. to make articles of definite length using pressure difference, e.g. by injection or by vacuum by plastizising the material into a shot cavity and injecting using a plunger
    • 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
    • B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/25—Component parts, details or accessories; Auxiliary operations
    • B29C48/285—Feeding the extrusion material to the extruder
    • 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
    • B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/25—Component parts, details or accessories; Auxiliary operations
    • B29C48/36—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die
    • B29C48/365—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die using pumps, e.g. piston pumps
    • B29C48/37—Gear pumps
    • 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
    • B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/25—Component parts, details or accessories; Auxiliary operations
    • B29C48/36—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die
    • B29C48/475—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die using pistons, accumulators or press rams
    • B29C48/48—Two or more rams or pistons
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
    • B29K2105/00—Condition, form or state of moulded material or of the material to be shaped
    • B29K2105/26—Scrap or recycled material
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S264/00—Plastic and nonmetallic article shaping or treating: processes
    • Y10S264/13—Cell size and distribution control while molding a foam

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Injection Moulding Of Plastics Or The Like (AREA)
DE69119430T 1990-10-30 1991-10-29 Spritzgussverfahren Expired - Lifetime DE69119430D1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US07/605,884 US5124095A (en) 1990-10-30 1990-10-30 Process of injection molding thermoplastic foams
PCT/US1991/008062 WO1992007650A1 (en) 1990-10-30 1991-10-29 Injection molding apparatus and process

Publications (1)

Publication Number Publication Date
DE69119430D1 true DE69119430D1 (de) 1996-06-13

Family

ID=24425597

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69119430T Expired - Lifetime DE69119430D1 (de) 1990-10-30 1991-10-29 Spritzgussverfahren

Country Status (11)

Country Link
US (1) US5124095A (de)
EP (1) EP0555392B1 (de)
JP (1) JPH0767706B2 (de)
KR (1) KR930703062A (de)
AT (1) ATE137685T1 (de)
AU (1) AU651856B2 (de)
BR (1) BR9107015A (de)
CA (1) CA2094386C (de)
DE (1) DE69119430D1 (de)
MX (1) MX9101843A (de)
WO (1) WO1992007650A1 (de)

Families Citing this family (24)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5514310A (en) * 1994-03-25 1996-05-07 Sander; Daniel G. Method of foaming prior to injection molding
JP2966735B2 (ja) * 1994-07-29 1999-10-25 積水化成品工業株式会社 熱可塑性樹脂押出機
DE19627065A1 (de) * 1996-07-05 1998-01-08 Hennecke Gmbh Verfahren und Vorrichtung zur Schaumherstellung mittels unter Druck gelöstem Kohlendioxid
US6884823B1 (en) * 1997-01-16 2005-04-26 Trexel, Inc. Injection molding of polymeric material
US6287494B1 (en) * 1997-04-02 2001-09-11 Coraltech Limited Gas introduction
TW438658B (en) * 1997-05-07 2001-06-07 Idemitsu Petrochemical Co Method of obtaining a gas-introduced fiber-reinforced resin injection molding and molding obtained by the same
US6322347B1 (en) * 1999-04-02 2001-11-27 Trexel, Inc. Methods for manufacturing foam material including systems with pressure restriction element
US6290883B1 (en) * 1999-08-31 2001-09-18 Lucent Technologies Inc. Method for making porous CMP article
JP2004523375A (ja) * 2000-09-29 2004-08-05 トレクセル・インコーポレーテッド 絵付成形物品及び方法
DE10062659B4 (de) * 2000-12-15 2005-09-22 Demag Ergotech Gmbh Aufschäummittelbeladungs- und Mischvorrichtung
DE10152134A1 (de) * 2001-10-23 2003-05-08 Hennecke Gmbh Presse für Hartschaumplatten
DE10253962A1 (de) * 2001-11-22 2003-09-18 Sumitomo Chemical Co Verfahren zur Herstellung von geschäumten Spritzgussteilen
US7951449B2 (en) 2002-06-27 2011-05-31 Wenguang Ma Polyester core materials and structural sandwich composites thereof
US7318713B2 (en) * 2002-07-18 2008-01-15 Trexel, Inc. Polymer processing systems including screws
US6905609B2 (en) * 2003-02-06 2005-06-14 Namon A. Nassef Waste treatment and disposal system
CA2517995A1 (en) * 2005-09-02 2007-03-02 Chul B. Park Apparatus and method for advanced structural foam molding
US20070256379A1 (en) * 2006-05-08 2007-11-08 Edwards Christopher M Composite panels
DE102006031268A1 (de) * 2006-07-06 2008-01-10 Krauss Maffei Gmbh Vorrichtung und Verfahren zur benutzerspezifischen Überwachung und Regelung der Produktion
US9669593B2 (en) 2007-06-14 2017-06-06 The Boeing Company Light weight thermoplastic flex foam and hybrid duct system
EP3218160A4 (de) 2014-11-14 2018-10-17 Nielsen-Cole, Cole Verfahren und systeme zur generativen fertigung zur formung von verbundstoffmaterialien
CN104832886B (zh) * 2015-05-06 2018-05-08 合肥京东方显示光源有限公司 导光板、背光模组、制作导光板的设备及方法
CN104960134A (zh) * 2015-07-13 2015-10-07 长春富维—江森自控汽车饰件系统有限公司 泡沫模具的四瓣芯模结构
DE102016005954B4 (de) 2016-05-13 2019-05-16 Audi Ag Verfahren und Vorrichtung zur Herstellung eines thermoplastischen Schaumgussbauteils mit wenigstens einer Sollbruchstelle
CN108357048B (zh) * 2018-02-08 2020-04-17 合肥华凌股份有限公司 箱体的制备方法、制冷设备用箱体和制冷设备

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2053876A (en) * 1932-08-09 1936-09-08 Texas Pacific Coal & Oil Co Apparatus for mixing fluid masses
US3247304A (en) * 1961-10-17 1966-04-19 Owens Illinois Glass Co Method of and apparatus for making plastic articles
US3190501A (en) * 1962-01-22 1965-06-22 Champlain Zapata Plastics Mach Filler, particularly for foam molding
US3377139A (en) * 1963-06-21 1968-04-09 Allied Chem Apparatus for preparing low density urea-formaldehyde foams
US3763293A (en) * 1971-06-09 1973-10-02 Bischoff Chemical Corp Process of molding giant articles of structured plastic
US3975473A (en) * 1974-09-12 1976-08-17 Union Carbide Corporation Process for production of cellular thermoplastic bodies
US4201742A (en) * 1976-07-09 1980-05-06 Ex-Cell-O Corporation Method and apparatus for injection molding foamed resin products having a smooth finish on their surface
JPS6052926B2 (ja) * 1981-05-18 1985-11-22 積水化成品工業株式会社 熱可塑性樹脂発泡体の製造方法及び装置
BE900982A (fr) * 1984-10-22 1985-03-01 Bunyan Richard J Procede de transformation de dechets de matieres plastiques en des articles.
US4783292A (en) * 1987-06-15 1988-11-08 Rogers Roy K Method of injection molding a foamed plastic article using a relatively light gas as a blowing agent

Also Published As

Publication number Publication date
EP0555392A1 (de) 1993-08-18
JPH06505678A (ja) 1994-06-30
JPH0767706B2 (ja) 1995-07-26
CA2094386C (en) 1996-06-11
EP0555392A4 (en) 1993-09-15
ATE137685T1 (de) 1996-05-15
BR9107015A (pt) 1993-09-28
AU651856B2 (en) 1994-08-04
MX9101843A (es) 1992-06-01
AU9023491A (en) 1992-05-26
KR930703062A (ko) 1993-11-29
WO1992007650A1 (en) 1992-05-14
EP0555392B1 (de) 1996-05-08
US5124095A (en) 1992-06-23

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Legal Events

Date Code Title Description
8332 No legal effect for de