WO1998031521A3 - Injection molding of microcellular material - Google Patents

Injection molding of microcellular material Download PDF

Info

Publication number
WO1998031521A3
WO1998031521A3 PCT/US1998/000773 US9800773W WO9831521A3 WO 1998031521 A3 WO1998031521 A3 WO 1998031521A3 US 9800773 W US9800773 W US 9800773W WO 9831521 A3 WO9831521 A3 WO 9831521A3
Authority
WO
WIPO (PCT)
Prior art keywords
injection molding
microcellular material
polymeric material
mold
microcellular
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.)
Ceased
Application number
PCT/US1998/000773
Other languages
French (fr)
Other versions
WO1998031521A2 (en
Inventor
David E Pierick
Jere R Anderson
Sung W Cha
James F Stevenson
Dana E Laing
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.)
Trexel Inc
Original Assignee
Trexel 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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=26712331&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=WO1998031521(A3) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Trexel Inc filed Critical Trexel Inc
Priority to AT98902562T priority Critical patent/ATE218961T1/en
Priority to AU59191/98A priority patent/AU742749B2/en
Priority to JP53452398A priority patent/JP4460074B2/en
Priority to CA002278147A priority patent/CA2278147C/en
Priority to DE69805957T priority patent/DE69805957T2/en
Priority to EP98902562A priority patent/EP0952908B1/en
Publication of WO1998031521A2 publication Critical patent/WO1998031521A2/en
Publication of WO1998031521A3 publication Critical patent/WO1998031521A3/en
Anticipated expiration legal-status Critical
Ceased 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
    • 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
    • B29B7/30—Mixing; Kneading continuous, with mechanical mixing or kneading devices
    • B29B7/58—Component parts, details or accessories; Auxiliary operations
    • B29B7/72—Measuring, controlling or regulating
    • B29B7/726—Measuring properties of mixture, e.g. temperature or density
    • 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
    • B29B7/80—Component parts, details or accessories; Auxiliary operations
    • B29B7/82—Heating or cooling
    • B29B7/823—Temperature control
    • 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
    • B29C44/02—Shaping by internal pressure generated in the material, e.g. swelling or foaming ; Producing porous or cellular expanded plastics articles for articles of definite length, i.e. discrete articles
    • B29C44/04—Shaping by internal pressure generated in the material, e.g. swelling or foaming ; Producing porous or cellular expanded plastics articles for articles of definite length, i.e. discrete articles consisting of at least two parts of chemically or physically different materials, e.g. having different densities
    • B29C44/0461—Shaping by internal pressure generated in the material, e.g. swelling or foaming ; Producing porous or cellular expanded plastics articles for articles of definite length, i.e. discrete articles consisting of at least two parts of chemically or physically different materials, e.g. having different densities by having different chemical compositions in different places, e.g. having different concentrations of foaming agent, feeding one composition after the other
    • 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
    • B29C44/02—Shaping by internal pressure generated in the material, e.g. swelling or foaming ; Producing porous or cellular expanded plastics articles for articles of definite length, i.e. discrete articles
    • B29C44/04—Shaping by internal pressure generated in the material, e.g. swelling or foaming ; Producing porous or cellular expanded plastics articles for articles of definite length, i.e. discrete articles consisting of at least two parts of chemically or physically different materials, e.g. having different densities
    • B29C44/0492—Devices for feeding the different materials
    • 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
    • B29C44/3442—Mixing, kneading or conveying the foamable material
    • B29C44/3446—Feeding the blowing agent
    • 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
    • B29C48/022—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor characterised by the choice of material
    • 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
    • B29C48/269—Extrusion in non-steady condition, e.g. start-up or shut-down
    • B29C48/2694—Intermittent extrusion
    • 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
    • B29C48/375—Plasticisers, homogenisers or feeders comprising two or more stages
    • B29C48/388—Plasticisers, homogenisers or feeders comprising two or more stages using a screw extruder and a ram or piston
    • 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
    • B29C48/395—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die using screws surrounded by a cooperating barrel, e.g. single screw extruders
    • B29C48/45—Axially movable screws
    • 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
    • B29C48/50—Details of extruders
    • B29C48/74—Bypassing means, i.e. part of the molten material being diverted into downstream stages of 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
    • B29C48/001—Combinations of extrusion moulding with other shaping operations
    • B29C48/0011—Combinations of extrusion moulding with other shaping operations combined with 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
    • B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/001—Combinations of extrusion moulding with other shaping operations
    • B29C48/0012—Combinations of extrusion moulding with other shaping operations combined with shaping by internal pressure generated in the material, e.g. foaming
    • 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
    • B29C48/03—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor characterised by the shape of the extruded material at extrusion
    • 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
    • B29C48/29—Feeding the extrusion material to the extruder in liquid form
    • 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
    • B29K2105/0005—Condition, form or state of moulded material or of the material to be shaped containing compounding ingredients
    • 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
    • B29K2105/04—Condition, form or state of moulded material or of the material to be shaped cellular or porous

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Injection Moulding Of Plastics Or The Like (AREA)
  • Extrusion Moulding Of Plastics Or The Like (AREA)
  • Molding Of Porous Articles (AREA)
  • Manufacture Of Porous Articles, And Recovery And Treatment Of Waste Products (AREA)
  • Moulds For Moulding Plastics Or The Like (AREA)
  • Compositions Of Macromolecular Compounds (AREA)
  • Materials For Medical Uses (AREA)

Abstract

A method for forming a molded polymeric part comprising introducing polymeric material admixed with supercritical fluid into a mold including a portion having an interior dimension of less than 3.17 mm (0.125 inch) and allowing the polymeric material to solidify in the mold.
PCT/US1998/000773 1997-01-16 1998-01-16 Injection molding of microcellular material Ceased WO1998031521A2 (en)

Priority Applications (6)

Application Number Priority Date Filing Date Title
AT98902562T ATE218961T1 (en) 1997-01-16 1998-01-16 INJECTION MOLDING OF MICROCELLULAR MATERIAL
AU59191/98A AU742749B2 (en) 1997-01-16 1998-01-16 Injection molding of microcellular material
JP53452398A JP4460074B2 (en) 1997-01-16 1998-01-16 Injection molding of microporous materials
CA002278147A CA2278147C (en) 1997-01-16 1998-01-16 Injection molding of microcellular material
DE69805957T DE69805957T2 (en) 1997-01-16 1998-01-16 INJECTION MOLDING OF MICRO-CELLED MATERIAL
EP98902562A EP0952908B1 (en) 1997-01-16 1998-01-16 Injection molding of microcellular material

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
US3563197P 1997-01-16 1997-01-16
US60/035,631 1997-01-16
US6835097P 1997-12-19 1997-12-19
US60/068,350 1997-12-19

Publications (2)

Publication Number Publication Date
WO1998031521A2 WO1998031521A2 (en) 1998-07-23
WO1998031521A3 true WO1998031521A3 (en) 1999-01-28

Family

ID=26712331

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/US1998/000773 Ceased WO1998031521A2 (en) 1997-01-16 1998-01-16 Injection molding of microcellular material

Country Status (8)

Country Link
EP (3) EP1475208B1 (en)
JP (3) JP4460074B2 (en)
AT (2) ATE218961T1 (en)
AU (1) AU742749B2 (en)
CA (2) CA2480025C (en)
DE (5) DE29825167U1 (en)
ES (2) ES2225692T3 (en)
WO (1) WO1998031521A2 (en)

Families Citing this family (84)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5997781A (en) * 1996-04-04 1999-12-07 Mitsui Chemicals, Inc. Injection-expansion molded, thermoplastic resin product and production process thereof
US6884377B1 (en) 1996-08-27 2005-04-26 Trexel, Inc. Method and apparatus for microcellular polymer extrusion
JP4240540B2 (en) 1996-08-27 2009-03-18 トレクセル・インコーポレーテッド Method and apparatus for extruding microporous polymer
US6884823B1 (en) 1997-01-16 2005-04-26 Trexel, Inc. Injection molding of polymeric material
US6235380B1 (en) 1997-07-24 2001-05-22 Trexel, Inc. Lamination of microcellular articles
US6706223B1 (en) 1997-12-19 2004-03-16 Trexel, Inc. Microcelluar extrusion/blow molding process and article made thereby
DE69829208T3 (en) 1997-12-19 2012-10-25 Trexel, Inc. MICROCELLULAR FOAM EXTRUSIONS / BLASFORMING PROCESS AND OBJECTS MANUFACTURED THEREWITH
US6231942B1 (en) 1998-01-21 2001-05-15 Trexel, Inc. Method and apparatus for microcellular polypropylene extrusion, and polypropylene articles produced thereby
US7172333B2 (en) 1999-04-02 2007-02-06 Southco, Inc. Injection molding screw
US6322347B1 (en) 1999-04-02 2001-11-27 Trexel, Inc. Methods for manufacturing foam material including systems with pressure restriction element
US6759004B1 (en) 1999-07-20 2004-07-06 Southco, Inc. Process for forming microporous metal parts
DE10005862A1 (en) * 2000-02-10 2001-08-23 Moeller Plast Gmbh Making soft foam-faced, hard plastic component especially suitable for vehicle cladding concealing airbag, employs physical foaming agent e.g. inert gas or microcapsules
US6926507B2 (en) * 2000-03-07 2005-08-09 Trexel, Inc. Blowing agent delivery system
US6386992B1 (en) 2000-05-04 2002-05-14 Acushnet Company Golf ball compositions including microcellular materials and methods for making same
US6593384B2 (en) 2000-05-25 2003-07-15 Trexel, Inc. Polymer foam processing with low blowing agent levels
DE60117322T2 (en) 2000-06-22 2006-11-02 Mitsui Chemicals, Inc. Method, apparatus and composition for injection molding foam
US6602063B1 (en) 2000-07-21 2003-08-05 Trexel, Inc. Discontinuous blowing agent delivery system and method
US6616434B1 (en) 2000-08-10 2003-09-09 Trexel, Inc. Blowing agent metering system
EP1320457B1 (en) * 2000-09-29 2016-04-20 Trexel, Inc. Method for forming in-mold decorated article
EP1335827B1 (en) * 2000-09-29 2018-03-07 Trexel, Inc. Fiber-filler molded articles
DE60133212T2 (en) 2000-10-24 2009-03-19 Trexel, Inc., Woburn VALVE FOR INJECTION
AT409359B (en) * 2000-11-15 2002-07-25 Engel Gmbh Maschbau INJECTION MOLDING METHOD AND DEVICE FOR IMPLEMENTING THE METHOD
DE10062659B4 (en) * 2000-12-15 2005-09-22 Demag Ergotech Gmbh Foaming agent loading and mixing device
WO2002055401A1 (en) * 2001-01-16 2002-07-18 Guala Dispensing S.P.A. Closure in synthetic material for containers
US6652786B2 (en) 2001-02-13 2003-11-25 Ludlow Company Lp Method for manufacturing coaxial wire with foamed insulation
FR2823699B1 (en) 2001-04-24 2003-10-24 C F Gomma Barre Thomas STOP SUSPENSION LIMITATION OF A VEHICLE
EP1256430A1 (en) 2001-05-11 2002-11-13 Vereinigung Zur Förderung Des Instituts Für Kunststoffverarbeitung In Industrie Und Handwerk Apparatus and method for for injection moulding of foamed article
DE10150329C2 (en) * 2001-10-15 2003-08-14 Peguform Gmbh & Co Kg Device and method for producing foamed plastic molded parts in an injection molding process using compressed physical blowing fluids
DE10218696A1 (en) * 2002-04-26 2003-11-27 Moellertech Gmbh Process for producing a foamable plastic
DE10230331B3 (en) * 2002-07-05 2004-04-15 Krauss-Maffei Kunststofftechnik Gmbh Assembly, for injection molding shaped foam bodies, has an intermediate store with pressure control for plasticized plastics between the extruder and the injector
US7318713B2 (en) 2002-07-18 2008-01-15 Trexel, Inc. Polymer processing systems including screws
US7144532B2 (en) 2002-10-28 2006-12-05 Trexel, Inc. Blowing agent introduction systems and methods
WO2005046421A1 (en) * 2003-11-14 2005-05-26 Plásticos Mondragón, S.L.U. Top cover for electric household appliances and production method thereof
TWI382918B (en) * 2005-04-19 2013-01-21 Sulzer Chemtech Ag Uses of a method for the manufacture of foamed shaped polymer parts of liquid silicone rubber
JP4839728B2 (en) 2005-08-25 2011-12-21 宇部興産機械株式会社 Thermoplastic resin multilayer molding method and multilayer molding apparatus
JP4867374B2 (en) * 2006-02-02 2012-02-01 マツダ株式会社 Fiber reinforced resin molded product molding equipment
DE102006044971B4 (en) * 2006-09-23 2011-07-28 ADCURAM Maschinenbauholding GmbH, 80333 Method for injection molding of foamed plastic molded parts
CA2567936C (en) 2006-11-14 2016-01-05 Atomic Energy Of Canada Limited Device and method for surface replication
WO2008103093A1 (en) 2007-02-19 2008-08-28 Diab International Ab Dynamic mould tool
AT9902U1 (en) * 2007-04-18 2008-05-15 Pollmann Internat Gmbh MANUFACTURE OF FORM PARTS
CA2696510A1 (en) * 2007-08-16 2009-02-19 Diab International Ab Press system
CN101746014B (en) * 2008-12-08 2012-04-18 北京化工大学 Micro-foaming injection molding machine and molding process thereof
DE102009012481B3 (en) * 2009-03-12 2010-09-23 Karl Hehl Injection molding machine for processing e.g. plastic to produce foamed material, has storage chamber connected with lock chamber by valve unit, where storage chamber and lock chamber are vented by another valve unit
DE102009030857B4 (en) * 2009-06-26 2018-10-31 Tsubaki Kabelschlepp GmbH Element of a chain link of an energy guide chain, which is produced by a fluid-internal pressure injection molding process
US20120009420A1 (en) 2010-07-07 2012-01-12 Lifoam Industries Compostable or Biobased Foams
US8962706B2 (en) 2010-09-10 2015-02-24 Lifoam Industries, Llc Process for enabling secondary expansion of expandable beads
US8696957B2 (en) * 2010-09-10 2014-04-15 Eveready Battery Company, Inc Methods for microcellular injection molding
US20120061867A1 (en) * 2010-09-10 2012-03-15 Playtex Products Llc Polymer pellets containing supercritical fluid and methods of making and using
DE102012001108A1 (en) 2012-01-23 2013-07-25 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Method for manufacturing polymeric foam-mold portions in event of injection molding machine, involves adding blowing agent directly to plasticizing unit, where physical or chemical blowing agent is added downstream of feed point of fibers
HUP1200156A2 (en) 2012-03-09 2013-09-30 Furukawa Electric Co Ltd Chiyoda Ku Equipment and method for producing microcellular plastics
DE102012019061A1 (en) 2012-09-28 2014-04-03 Hans Wobbe Method for controlling injection molding process to manufacture plastic foams with physical blowing agents, involves maintaining mixture of blowing agent and matrix polymer in plasticizing process under necessary physical phase conditions
DE102012025138A1 (en) 2012-12-21 2014-06-26 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Apparatus for manufacturing thermoplastic and/or thermo-elastic part with fibers and polymer molded parts, has melting part made to flow from melt accumulator chamber into injection chamber with predetermined receiving volume
JP6080611B2 (en) 2013-02-26 2017-02-15 東洋製罐株式会社 Method for producing foamable injection-molded body and injection device therefor
DE102013022077A1 (en) 2013-12-23 2015-06-25 Valeo Schalter Und Sensoren Gmbh Housing for receiving a coil spring, coil spring assembly, method for producing such a housing, method for producing such a coil spring assembly and motor vehicle with such a coil spring assembly
DE102015101061A1 (en) 2015-01-26 2016-07-28 Valeo Schalter Und Sensoren Gmbh Housing for receiving a coil spring, coil spring assembly, method for producing such a housing, method for producing such a coil spring assembly and motor vehicle with such a coil spring assembly
CN105014862A (en) * 2015-08-14 2015-11-04 深圳乐新模塑有限公司 Foaming molding mold and molding method for microcellular foaming plastic structural parts
DE102015014212A1 (en) 2015-11-04 2017-05-04 Isk Gmbh Production of microcellular foamed injection-molded components from plastic granules impregnated with a blowing agent
DE202016000507U1 (en) 2016-01-27 2016-03-11 Hans Wobbe Injection molding machine for processing gas-loaded plastics
US11123895B2 (en) 2017-01-27 2021-09-21 The Boeing Company Apparatus for extruding ceramic slurry
JP2019025838A (en) * 2017-08-01 2019-02-21 Ｎｉｓｓｈａ株式会社 Method for manufacturing decorative molded article, and decorative molded article
US20190118432A1 (en) * 2017-10-23 2019-04-25 Trexel, Inc. Blowing agent introduction in polymer foam processing
US11559927B2 (en) 2018-03-01 2023-01-24 Trexel, Inc. Blowing agent introduction into hopper of polymer foam processing
US20190338099A1 (en) * 2018-05-07 2019-11-07 Trexel, Inc. Three-dimensional suction molding method for polymeric foams
US10843429B2 (en) 2018-05-21 2020-11-24 O2 Partners, Llc Biodegradable, industrially compostable, and recyclable injection molded microcellular flexible foams
CN112512771A (en) * 2018-05-21 2021-03-16 O2伙伴有限责任公司 Biodegradable and industrially compostable injection molded microcellular flexible foam and method for producing the same
US12208549B2 (en) 2018-09-17 2025-01-28 Trexel, Inc. Polymeric foam processing systems and methods
CN112805132A (en) 2018-09-21 2021-05-14 耐克创新有限合伙公司 Molding system and method
FR3091983B1 (en) 2019-01-28 2021-04-30 Texen Services Application of a product to a superficial part of the human body
US11351707B2 (en) * 2019-05-23 2022-06-07 iMFLUX Inc. Method and apparatus for real time control of injection of structural foaming agents, colorants, and other additives
JP2021049773A (en) * 2019-07-18 2021-04-01 株式会社川▲崎▼合成樹脂 Molding method of foamed resin molding and foamed resin molding
CN110587911B (en) * 2019-09-23 2024-06-21 北京化工大学 Porous electrode preparation device and process
DE102020119005A1 (en) 2020-07-17 2022-01-20 BWH-Spezialkoffer GmbH Case manufactured using the plastic injection molding process
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CN116615323A (en) 2020-11-16 2023-08-18 O2伙伴有限责任公司 Recyclable, biodegradable and industrially compostable extruded foam and method of making same
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US12240162B2 (en) * 2022-12-06 2025-03-04 Otrajet Inc. Injection molding system and injection molding method
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DE102024203283A1 (en) 2024-04-10 2025-10-16 Robert Bosch Gesellschaft mit beschränkter Haftung Process and plant for the production of foamed plastic parts
CN118322456B (en) * 2024-06-13 2024-08-16 福建鑫瑞新材料科技有限公司 Device for controlling uniformity of forming density of supercritical beads
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Citations (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3697204A (en) * 1970-05-07 1972-10-10 Usm Corp Apparatus for injection molding articles of foam material
US4124308A (en) * 1977-06-21 1978-11-07 Beloit Corporation Sequential co-injection unit adapted for structural foam molding
US4323528A (en) * 1980-08-07 1982-04-06 Valcour Imprinted Papers, Inc. Method and apparatus for making large size, low density, elongated thermoplastic cellular bodies
JPS58197029A (en) * 1982-05-12 1983-11-16 Ube Ind Ltd Manufacture of synthetic resin molding
EP0228016A1 (en) * 1985-12-17 1987-07-08 Union Carbide Corporation An improved process for preparing molded microcellular elastomers
WO1989000918A2 (en) * 1987-07-29 1989-02-09 Massachusetts Institute Of Technology A method of producing microcellular foams and microcellular foams of semi-crystalline polymeric materials
US4806094A (en) * 1986-07-24 1989-02-21 Ex-Cell-O Corporation Injection molding apparatus for forming film covered inserts for instrument panels
EP0453687A1 (en) * 1990-04-27 1991-10-30 Abc Group Process and apparatus for molding foamed plastic article
EP0465317A2 (en) * 1990-06-27 1992-01-08 Nissan Motor Co., Ltd. Injection-molded article
US5098267A (en) * 1990-06-22 1992-03-24 Union Carbide Industrial Gases Technology Corporation Apparatus and method for producing and molding structural foam
US5227103A (en) * 1990-02-07 1993-07-13 E. I. Du Pont De Nemours And Company High speed insulated conductors
US5334356A (en) * 1991-04-05 1994-08-02 Massachusetts Institute Of Technology Supermicrocellular foamed materials
JPH0885129A (en) * 1994-09-19 1996-04-02 Hitachi Ltd METHOD OF MANUFACTURING FOAMED STRUCTURE, AND MOLDING APPARATUS
WO1996013368A1 (en) * 1994-10-26 1996-05-09 Woodhams Raymond T Injection molding process for the production of oriented thermoplastic and particulate matter composite articles
US5540963A (en) * 1991-04-30 1996-07-30 The Dexter Corporation Expandable films and molded products therefrom
EP0799853A1 (en) * 1996-04-04 1997-10-08 MITSUI TOATSU CHEMICALS, Inc. Thermoplastic resin product and production thereof

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4473665A (en) * 1982-07-30 1984-09-25 Massachusetts Institute Of Technology Microcellular closed cell foams and their method of manufacture
JPH04339616A (en) * 1990-12-20 1992-11-26 Asahi Chem Ind Co Ltd Resin molded product and its manufacture
JP3028101B2 (en) * 1993-05-28 2000-04-04 積水化成品工業株式会社 Peelable thermoplastic resin laminated foam sheet, method for producing the same, and molded product thereof
JPH07179642A (en) * 1993-12-24 1995-07-18 Kanebo Ltd Foamed polyester sheet and its production
JPH07282641A (en) * 1994-04-11 1995-10-27 Hitachi Cable Ltd Foam plastic insulated wire
JP3555986B2 (en) * 1994-07-01 2004-08-18 三井化学株式会社 Method for producing thermoplastic resin foam
JP2778004B2 (en) * 1994-08-11 1998-07-23 アロン化成株式会社 Vinyl chloride resin molding machine and vinyl chloride resin molding method
JPH0885128A (en) * 1994-09-19 1996-04-02 Hitachi Ltd Method and apparatus for producing thermoplastic resin foam molded article
JP3015711B2 (en) * 1994-11-30 2000-03-06 東北パイオニア株式会社 Method for molding a foamed molded article and apparatus for molding a foamed molded article
JP3135482B2 (en) * 1995-06-14 2001-02-13 東北パイオニア株式会社 Speaker diaphragm by injection foam molding
JPH08258096A (en) * 1995-03-23 1996-10-08 Hitachi Ltd Method and apparatus for producing fine foam by injection molding
JPH09277298A (en) * 1996-04-10 1997-10-28 Hitachi Ltd Method and apparatus for manufacturing fine foam
JPH1024436A (en) * 1996-07-10 1998-01-27 Mitsui Petrochem Ind Ltd Thermoplastic resin foam and method for producing the same

Patent Citations (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3697204A (en) * 1970-05-07 1972-10-10 Usm Corp Apparatus for injection molding articles of foam material
US4124308A (en) * 1977-06-21 1978-11-07 Beloit Corporation Sequential co-injection unit adapted for structural foam molding
US4323528A (en) * 1980-08-07 1982-04-06 Valcour Imprinted Papers, Inc. Method and apparatus for making large size, low density, elongated thermoplastic cellular bodies
JPS58197029A (en) * 1982-05-12 1983-11-16 Ube Ind Ltd Manufacture of synthetic resin molding
EP0228016A1 (en) * 1985-12-17 1987-07-08 Union Carbide Corporation An improved process for preparing molded microcellular elastomers
US4806094A (en) * 1986-07-24 1989-02-21 Ex-Cell-O Corporation Injection molding apparatus for forming film covered inserts for instrument panels
WO1989000918A2 (en) * 1987-07-29 1989-02-09 Massachusetts Institute Of Technology A method of producing microcellular foams and microcellular foams of semi-crystalline polymeric materials
US5227103A (en) * 1990-02-07 1993-07-13 E. I. Du Pont De Nemours And Company High speed insulated conductors
EP0453687A1 (en) * 1990-04-27 1991-10-30 Abc Group Process and apparatus for molding foamed plastic article
US5098267A (en) * 1990-06-22 1992-03-24 Union Carbide Industrial Gases Technology Corporation Apparatus and method for producing and molding structural foam
EP0465317A2 (en) * 1990-06-27 1992-01-08 Nissan Motor Co., Ltd. Injection-molded article
US5334356A (en) * 1991-04-05 1994-08-02 Massachusetts Institute Of Technology Supermicrocellular foamed materials
US5540963A (en) * 1991-04-30 1996-07-30 The Dexter Corporation Expandable films and molded products therefrom
JPH0885129A (en) * 1994-09-19 1996-04-02 Hitachi Ltd METHOD OF MANUFACTURING FOAMED STRUCTURE, AND MOLDING APPARATUS
WO1996013368A1 (en) * 1994-10-26 1996-05-09 Woodhams Raymond T Injection molding process for the production of oriented thermoplastic and particulate matter composite articles
EP0799853A1 (en) * 1996-04-04 1997-10-08 MITSUI TOATSU CHEMICALS, Inc. Thermoplastic resin product and production thereof

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
PATENT ABSTRACTS OF JAPAN vol. 008, no. 040 (M - 278) 21 February 1984 (1984-02-21) *
PATENT ABSTRACTS OF JAPAN vol. 096, no. 008 30 August 1996 (1996-08-30) *

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