BE786969A - Procede et dispositif pour le moulage par extrusion de polymeres - Google Patents

Procede et dispositif pour le moulage par extrusion de polymeres

Info

Publication number
BE786969A
BE786969A BE786969A BE786969A BE786969A BE 786969 A BE786969 A BE 786969A BE 786969 A BE786969 A BE 786969A BE 786969 A BE786969 A BE 786969A BE 786969 A BE786969 A BE 786969A
Authority
BE
Belgium
Prior art keywords
polymers
extrusion molding
extrusion
molding
Prior art date
Application number
BE786969A
Other languages
English (en)
Inventor
G D Kostov
S G Choleva
Original Assignee
Tzentralna Lab Stex
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 Tzentralna Lab Stex filed Critical Tzentralna Lab Stex
Publication of BE786969A publication Critical patent/BE786969A/fr

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
    • B29C44/10—Applying counter-pressure during expanding
    • B29C44/105—Applying counter-pressure during expanding the counterpressure being exerted by a fluid
    • 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
    • B29C45/17—Component parts, details or accessories; Auxiliary operations
    • B29C45/1703—Introducing an auxiliary fluid into the mould
    • B29C45/174—Applying a pressurised fluid to the outer surface of the injected material inside the mould cavity, e.g. for preventing shrinkage marks
    • 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
    • B29C45/17—Component parts, details or accessories; Auxiliary operations
    • B29C45/46—Means for plasticising or homogenising the moulding material or forcing it into the mould

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Mechanical Engineering (AREA)
  • Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)
  • Injection Moulding Of Plastics Or The Like (AREA)
  • Moulds For Moulding Plastics Or The Like (AREA)
BE786969A 1971-10-23 1972-07-31 Procede et dispositif pour le moulage par extrusion de polymeres BE786969A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
BG1884971 1971-10-23

Publications (1)

Publication Number Publication Date
BE786969A true BE786969A (fr) 1972-11-16

Family

ID=3898153

Family Applications (1)

Application Number Title Priority Date Filing Date
BE786969A BE786969A (fr) 1971-10-23 1972-07-31 Procede et dispositif pour le moulage par extrusion de polymeres

Country Status (8)

Country Link
JP (1) JPS4851057A (fr)
AT (1) AT338504B (fr)
BE (1) BE786969A (fr)
DE (1) DE2235994A1 (fr)
FR (1) FR2156558B1 (fr)
GB (1) GB1372959A (fr)
IT (1) IT965932B (fr)
NL (1) NL7214227A (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113165231A (zh) * 2018-11-21 2021-07-23 耐克创新有限合伙公司 用于发泡工艺的系统和方法
US11673358B2 (en) 2018-11-21 2023-06-13 Nike, Inc. System and methods for forming a sole structure

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH616106A5 (en) * 1976-09-17 1980-03-14 Buehler Ag Geb Process and device for producing plastic mouldings with a smooth, compact surface and a cellular-porous core by injection moulding
FR2645068A1 (fr) * 1989-04-03 1990-10-05 Vanotti Gerard Procede de fabrication de pieces en matiere thermoplastique a paroi mince et installation pour la mise en oeuvre du procede
GB9114324D0 (en) * 1991-07-03 1991-08-21 Kontor Moulding Systems Ltd Injection moulding of thermoplastic polymers
US5602188A (en) * 1993-07-13 1997-02-11 Suzuki Sogyo Co., Ltd. Biodegradable resin foam and method and apparatus for producing same
DE19743838C2 (de) 1997-10-04 2000-08-24 Battenfeld Gmbh Vorrichtung zum Spritzgießen von Kunststoffgegenständen

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3044118A (en) * 1958-06-23 1962-07-17 Du Pont Molding method and apparatus

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113165231A (zh) * 2018-11-21 2021-07-23 耐克创新有限合伙公司 用于发泡工艺的系统和方法
US11491690B2 (en) 2018-11-21 2022-11-08 Nike, Inc. System and methods for a foaming process
US11673358B2 (en) 2018-11-21 2023-06-13 Nike, Inc. System and methods for forming a sole structure

Also Published As

Publication number Publication date
AT338504B (de) 1977-08-25
ATA893972A (de) 1976-12-15
FR2156558A1 (fr) 1973-06-01
JPS4851057A (fr) 1973-07-18
NL7214227A (fr) 1973-04-25
DE2235994A1 (de) 1973-05-03
GB1372959A (en) 1974-11-06
FR2156558B1 (fr) 1975-03-07
IT965932B (it) 1974-02-11

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