JPS639975B2 - - Google Patents

Info

Publication number
JPS639975B2
JPS639975B2 JP58132552A JP13255283A JPS639975B2 JP S639975 B2 JPS639975 B2 JP S639975B2 JP 58132552 A JP58132552 A JP 58132552A JP 13255283 A JP13255283 A JP 13255283A JP S639975 B2 JPS639975 B2 JP S639975B2
Authority
JP
Japan
Prior art keywords
internal pressure
expanded particles
pressure
container
particles
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
JP58132552A
Other languages
English (en)
Japanese (ja)
Other versions
JPS6024933A (ja
Inventor
Shohei Yoshimura
Hideki Kuwabara
Tooru Yamaguchi
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.)
NIPPON SUCHIREN PEEPAA KK
Original Assignee
NIPPON SUCHIREN PEEPAA 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 NIPPON SUCHIREN PEEPAA KK filed Critical NIPPON SUCHIREN PEEPAA KK
Priority to JP58132552A priority Critical patent/JPS6024933A/ja
Publication of JPS6024933A publication Critical patent/JPS6024933A/ja
Publication of JPS639975B2 publication Critical patent/JPS639975B2/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
    • 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
    • B29C44/3461—Making or treating expandable particles
    • 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
    • B29K2023/00—Use of polyalkenes or derivatives thereof as moulding material
    • 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
    • B29K2067/00—Use of polyesters or derivatives thereof, as moulding material

Landscapes

  • Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)
  • Manufacture Of Porous Articles, And Recovery And Treatment Of Waste Products (AREA)
JP58132552A 1983-07-20 1983-07-20 予備発泡粒子の加圧処理方法 Granted JPS6024933A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP58132552A JPS6024933A (ja) 1983-07-20 1983-07-20 予備発泡粒子の加圧処理方法

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP58132552A JPS6024933A (ja) 1983-07-20 1983-07-20 予備発泡粒子の加圧処理方法

Publications (2)

Publication Number Publication Date
JPS6024933A JPS6024933A (ja) 1985-02-07
JPS639975B2 true JPS639975B2 (pt) 1988-03-03

Family

ID=15083953

Family Applications (1)

Application Number Title Priority Date Filing Date
JP58132552A Granted JPS6024933A (ja) 1983-07-20 1983-07-20 予備発泡粒子の加圧処理方法

Country Status (1)

Country Link
JP (1) JPS6024933A (pt)

Also Published As

Publication number Publication date
JPS6024933A (ja) 1985-02-07

Similar Documents

Publication Publication Date Title
EP0081797B1 (en) Method of pressurizing treatment of pre-foamed particles of polyolefin resin
US4399087A (en) Process for producing foamed polyolefin articles from aged pre-foamed particles of polyolefin resins
EP0072499B1 (en) Process for producing foamed and molded article of polypropylene resin
US4483809A (en) Process for preparing polyolefin foam
US4504601A (en) Process for producing pre-foamed particles of polypropylene resin
JPH082989B2 (ja) ポリオレフィン系樹脂粒子の予備発泡方法
EP1031602B9 (en) Pre-expanded polypropylene resin beads and process for producing molded object therefrom by in-mold foaming
JPS639975B2 (pt)
JPS6218335B2 (pt)
JPS6113972B2 (pt)
JPS5912455B2 (ja) ポリオレフイン系合成樹脂発泡成形体の製造方法及び装置
JPS6230093B2 (pt)
JPS5849384B2 (ja) エチレン系樹脂発泡成形品の製造方法
JPS5851019B2 (ja) ポリオレフィン系樹脂発泡成型体の製造方法
JPS5876229A (ja) ポリプロピレン系樹脂発泡成型体の製造方法
JPH08281682A (ja) 予備発泡ポリオレフィン粒子から成形体を製造する方法
US5045256A (en) Expansion of shrunk foam particles of propylene polymers
JP3696146B2 (ja) 発泡ポリスチレン系樹脂成形品の製造方法
JPS60151030A (ja) ポリオレフイン系樹脂発泡成型体の製造方法
JPS6344780B2 (pt)
JPS5932300B2 (ja) 型物発泡体の製造方法
JPS5938035A (ja) ポリエチレン系樹脂型内発泡成型体の製造方法
JPS60151029A (ja) 合成樹脂発泡体の型内発泡成型方法
JPS599333B2 (ja) エチレン系樹脂多泡成形品の製造方法
JPS6234334B2 (pt)