JPS636332B2 - - Google Patents

Info

Publication number
JPS636332B2
JPS636332B2 JP57078431A JP7843182A JPS636332B2 JP S636332 B2 JPS636332 B2 JP S636332B2 JP 57078431 A JP57078431 A JP 57078431A JP 7843182 A JP7843182 A JP 7843182A JP S636332 B2 JPS636332 B2 JP S636332B2
Authority
JP
Japan
Prior art keywords
resin composition
synthetic resin
screw
mold
foamable
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
Application number
JP57078431A
Other languages
English (en)
Japanese (ja)
Other versions
JPS58197029A (ja
Inventor
Teruo Tachibana
Masahiko Yamaguchi
Toshio Arai
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.)
Ube Corp
Original Assignee
Ube Industries Ltd
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 Ube Industries Ltd filed Critical Ube Industries Ltd
Priority to JP57078431A priority Critical patent/JPS58197029A/ja
Publication of JPS58197029A publication Critical patent/JPS58197029A/ja
Publication of JPS636332B2 publication Critical patent/JPS636332B2/ja
Granted 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
    • B29C45/16—Making multilayered or multicoloured articles
    • B29C45/1642—Making multilayered or multicoloured articles having a "sandwich" structure
    • B29C45/1645—Injecting skin and core materials from the same injection cylinder, e.g. mono-sandwich 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
    • 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
    • B29C44/34—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
    • 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
    • B29K2105/043—Skinned foam

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (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)
JP57078431A 1982-05-12 1982-05-12 合成樹脂成形体の製造法 Granted JPS58197029A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP57078431A JPS58197029A (ja) 1982-05-12 1982-05-12 合成樹脂成形体の製造法

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP57078431A JPS58197029A (ja) 1982-05-12 1982-05-12 合成樹脂成形体の製造法

Publications (2)

Publication Number Publication Date
JPS58197029A JPS58197029A (ja) 1983-11-16
JPS636332B2 true JPS636332B2 (en]) 1988-02-09

Family

ID=13661849

Family Applications (1)

Application Number Title Priority Date Filing Date
JP57078431A Granted JPS58197029A (ja) 1982-05-12 1982-05-12 合成樹脂成形体の製造法

Country Status (1)

Country Link
JP (1) JPS58197029A (en])

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0764510A3 (en) * 1995-09-22 1998-05-27 ICP Systems, Inc. Gas assist injection molding method and apparatus
US6884823B1 (en) 1997-01-16 2005-04-26 Trexel, Inc. Injection molding of polymeric material
JP4460074B2 (ja) * 1997-01-16 2010-05-12 トレクセル・インコーポレーテッド 微孔質材料の射出成形
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
JP4650187B2 (ja) * 2005-09-28 2011-03-16 マツダ株式会社 合成樹脂成形品の製造方法及び製造装置
WO2008116800A2 (de) * 2007-03-26 2008-10-02 Basf Se Verfahren und vorrichtung zur herstellung von geschäumten kunststoffteilen
JP5940741B1 (ja) 2014-11-14 2016-06-29 三菱重工プラスチックテクノロジー株式会社 射出成形方法、射出成形機、及び、強化繊維の開繊方法

Also Published As

Publication number Publication date
JPS58197029A (ja) 1983-11-16

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