CA1075864A - Apparatus for producing a body of porous thermoplastic material - Google Patents

Apparatus for producing a body of porous thermoplastic material

Info

Publication number
CA1075864A
CA1075864A CA240,069A CA240069A CA1075864A CA 1075864 A CA1075864 A CA 1075864A CA 240069 A CA240069 A CA 240069A CA 1075864 A CA1075864 A CA 1075864A
Authority
CA
Canada
Prior art keywords
channel
granules
casing
ejectors
intake end
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
CA240,069A
Other languages
English (en)
French (fr)
Inventor
Heikki Korpela
Lars Norrhede
Ralf Warna
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.)
Gullfiber AB
Original Assignee
Gullfiber AB
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 Gullfiber AB filed Critical Gullfiber AB
Application granted granted Critical
Publication of CA1075864A publication Critical patent/CA1075864A/en
Expired 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
    • B29C44/3415—Heating or cooling
    • B29C44/3426—Heating by introducing steam in the mould
    • 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
    • B29C44/20—Shaping by internal pressure generated in the material, e.g. swelling or foaming ; Producing porous or cellular expanded plastics articles for articles of indefinite length
    • B29C44/206—Using expandable particles or beads as starting material
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
    • B29L2007/00—Flat articles, e.g. films or sheets
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S264/00—Plastic and nonmetallic article shaping or treating: processes
    • Y10S264/12—Molding styropor using steam probes continuous

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)
  • Extrusion Moulding Of Plastics Or The Like (AREA)
  • Casting Or Compression Moulding Of Plastics Or The Like (AREA)
  • Molding Of Porous Articles (AREA)
CA240,069A 1974-11-20 1975-11-19 Apparatus for producing a body of porous thermoplastic material Expired CA1075864A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE7414594A SE386617B (sv) 1974-11-20 1974-11-20 Anordning for framstellning av en kontinuerlig streng av poros termoplast

Publications (1)

Publication Number Publication Date
CA1075864A true CA1075864A (en) 1980-04-22

Family

ID=20322763

Family Applications (1)

Application Number Title Priority Date Filing Date
CA240,069A Expired CA1075864A (en) 1974-11-20 1975-11-19 Apparatus for producing a body of porous thermoplastic material

Country Status (7)

Country Link
US (1) US4067672A (enExample)
JP (1) JPS5173569A (enExample)
BE (1) BE835635A (enExample)
CA (1) CA1075864A (enExample)
DE (1) DE2551333C3 (enExample)
FR (1) FR2291845A1 (enExample)
SE (1) SE386617B (enExample)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111890620A (zh) * 2020-08-07 2020-11-06 江西科技学院 多孔轻质光催化材料的制备装置及制备方法

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT1127168B (it) * 1979-04-05 1986-05-21 Isolante Snc Di Toffoli Trevis Procedimento per la sinterizzazione omogenea di sagomati in polistirolo espanso e macchina che lo realizza
FR2463669A1 (fr) * 1979-08-21 1981-02-27 Saint Gobain Dispositif autonettoyant pour la coulee du platre
ITMI20071281A1 (it) * 2007-06-26 2008-12-27 Gilanberry Trading Ltd Apparecchiatura e metodo per la formatura in continuo di un elemento continuo di materia plastica espansa, impianto comprendente detta apparecchiatura ed elemento costruttivo di materia plastica espansa

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3178768A (en) * 1958-07-31 1965-04-20 Koppers Co Inc Apparatus for making foamed polymeric structures
US3142864A (en) * 1959-10-27 1964-08-04 Tru Scale Inc Means and method for the formation of paneling having a foamed plastic core
US3626486A (en) * 1969-12-29 1971-12-07 Tennessee Corp Fluid-distribution apparatus
US3832099A (en) * 1971-08-24 1974-08-27 Uniform Ag Apparatus for producing polyurethane foam
US3917439A (en) * 1974-03-28 1975-11-04 Joseph T Yovanovich Apparatus for producing stock of synthetic thermoplastic material by continuous molding

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111890620A (zh) * 2020-08-07 2020-11-06 江西科技学院 多孔轻质光催化材料的制备装置及制备方法

Also Published As

Publication number Publication date
FR2291845B1 (enExample) 1980-07-18
BE835635A (fr) 1976-03-16
FR2291845A1 (fr) 1976-06-18
SE386617B (sv) 1976-08-16
SE7414594L (sv) 1976-05-21
JPS5173569A (enExample) 1976-06-25
DE2551333A1 (de) 1976-08-12
DE2551333C3 (de) 1979-06-28
US4067672A (en) 1978-01-10
DE2551333B2 (de) 1978-11-02

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Legal Events

Date Code Title Description
MKEX Expiry