ATE317756T1 - Verfahren zur herstellung von schaumformteilen - Google Patents

Verfahren zur herstellung von schaumformteilen

Info

Publication number
ATE317756T1
ATE317756T1 AT02251380T AT02251380T ATE317756T1 AT E317756 T1 ATE317756 T1 AT E317756T1 AT 02251380 T AT02251380 T AT 02251380T AT 02251380 T AT02251380 T AT 02251380T AT E317756 T1 ATE317756 T1 AT E317756T1
Authority
AT
Austria
Prior art keywords
mold
resin
cavity
foam
molded product
Prior art date
Application number
AT02251380T
Other languages
English (en)
Inventor
Hidekazu Murakoshi
Shingo Tamura
Ichiro Matsuoka
Original Assignee
Nissen Kagaku Kk
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 Nissen Kagaku Kk filed Critical Nissen Kagaku Kk
Application granted granted Critical
Publication of ATE317756T1 publication Critical patent/ATE317756T1/de

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
    • B29C44/02—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
    • B29C44/0415—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 regulating the pressure of the material during or after filling of the mould, e.g. by local venting
    • 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
    • B29C44/586—Moulds with a cavity increasing in size during foaming

Landscapes

  • Injection Moulding Of Plastics Or The Like (AREA)
  • Molding Of Porous Articles (AREA)
  • Manufacture Of Porous Articles, And Recovery And Treatment Of Waste Products (AREA)
  • Casting Or Compression Moulding Of Plastics Or The Like (AREA)
AT02251380T 2001-04-09 2002-02-27 Verfahren zur herstellung von schaumformteilen ATE317756T1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2001110494A JP3802774B2 (ja) 2001-04-09 2001-04-09 発泡成形品の製造方法

Publications (1)

Publication Number Publication Date
ATE317756T1 true ATE317756T1 (de) 2006-03-15

Family

ID=18962251

Family Applications (1)

Application Number Title Priority Date Filing Date
AT02251380T ATE317756T1 (de) 2001-04-09 2002-02-27 Verfahren zur herstellung von schaumformteilen

Country Status (7)

Country Link
US (1) US6893587B2 (de)
EP (1) EP1250994B1 (de)
JP (1) JP3802774B2 (de)
AT (1) ATE317756T1 (de)
BR (1) BR0200738B1 (de)
CA (1) CA2377510C (de)
DE (1) DE60209181D1 (de)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE0301075D0 (sv) * 2003-05-08 2003-05-08 Arca Systems Ab A process for the manufacturing of an article made of plastic material
WO2006040776A1 (en) * 2004-10-12 2006-04-20 Pulin Jayantilal Shah Method for manufacturing plastic moulds for making foamed articles
WO2007009102A2 (en) * 2005-07-14 2007-01-18 Privace, L.L.C. Apparatuses and methods for protecting confidential information
JP4569417B2 (ja) * 2005-08-23 2010-10-27 宇部興産機械株式会社 熱可塑性樹脂の射出発泡成形方法
JP2008018677A (ja) * 2006-07-14 2008-01-31 Daikyo Nishikawa Kk 発泡樹脂成形品の成形方法及び成形装置
JP5721698B2 (ja) * 2010-03-26 2015-05-20 三菱重工プラスチックテクノロジー株式会社 繊維強化複合材の製造方法
JP6091828B2 (ja) * 2012-09-27 2017-03-08 積水化学工業株式会社 マスターバッチ及び発泡成形体
CN104149235A (zh) * 2014-08-07 2014-11-19 宁夏共享装备有限公司 一种解决变形产生披缝的发泡模制作方法
JP6665471B2 (ja) * 2014-09-30 2020-03-13 大日本印刷株式会社 積層シート及び発泡積層シート並びにそれらの製造方法
JP6356843B2 (ja) * 2017-02-07 2018-07-11 積水化学工業株式会社 マスターバッチ及び発泡成形体
DE102017206304A1 (de) * 2017-04-12 2018-10-18 Bayerische Motoren Werke Aktiengesellschaft Formstabiles, medientemperiertes Integralschaumformteil
JP6949078B2 (ja) * 2019-07-05 2021-10-13 日精樹脂工業株式会社 発泡成形方法及び射出成形機
JP7147716B2 (ja) * 2019-08-21 2022-10-05 トヨタ自動車株式会社 射出発泡成形方法

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3883629A (en) * 1968-12-31 1975-05-13 Ici Ltd Injection molding of laminar articles having a foam core and an integral skin
JPH0777739B2 (ja) * 1990-10-05 1995-08-23 住友化学工業株式会社 ポリプロピレン樹脂発泡成形体の成形方法
JP2503753B2 (ja) * 1990-10-12 1996-06-05 住友化学工業株式会社 登泡層が裏打ちされた表皮材を貼合したポリプロピレン樹脂成形体の成形方法
JP3091611B2 (ja) * 1993-09-20 2000-09-25 株式会社神戸製鋼所 発泡射出成形方法
JPH10180825A (ja) * 1996-12-20 1998-07-07 Mitsui Chem Inc 部分発泡射出成形用金型装置及びこれを用いた部分発泡射出成形方法

Also Published As

Publication number Publication date
BR0200738B1 (pt) 2012-05-29
EP1250994A1 (de) 2002-10-23
US6893587B2 (en) 2005-05-17
BR0200738A (pt) 2003-10-21
DE60209181D1 (de) 2006-04-20
CA2377510C (en) 2011-11-15
JP3802774B2 (ja) 2006-07-26
CA2377510A1 (en) 2002-10-09
EP1250994B1 (de) 2006-02-15
US20020145214A1 (en) 2002-10-10
JP2002307474A (ja) 2002-10-23

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Legal Events

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