IT967099B - Processo per la formatura di mate riale termoplastico espandibile - Google Patents

Processo per la formatura di mate riale termoplastico espandibile

Info

Publication number
IT967099B
IT967099B IT28756/72A IT2875672A IT967099B IT 967099 B IT967099 B IT 967099B IT 28756/72 A IT28756/72 A IT 28756/72A IT 2875672 A IT2875672 A IT 2875672A IT 967099 B IT967099 B IT 967099B
Authority
IT
Italy
Prior art keywords
forming
thermoplastic material
expandable thermoplastic
expandable
thermoplastic
Prior art date
Application number
IT28756/72A
Other languages
English (en)
Inventor
B Smith Stuart
Original Assignee
Foster Grant Co Inc
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 Foster Grant Co Inc filed Critical Foster Grant Co Inc
Application granted granted Critical
Publication of IT967099B publication Critical patent/IT967099B/it

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
    • 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
    • B29C44/44—Feeding the material to be shaped into a closed space, i.e. to make articles of definite length in solid form
    • B29C44/445—Feeding the material to be shaped into a closed space, i.e. to make articles of definite length in solid form in the form of expandable granules, particles or beads
    • 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
    • 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
    • Y10S264/09—Pre-expansion of foamed polystyrene
IT28756/72A 1971-09-02 1972-09-01 Processo per la formatura di mate riale termoplastico espandibile IT967099B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US05/177,476 US3963816A (en) 1971-09-02 1971-09-02 Process for molding expandable thermoplastic material

Publications (1)

Publication Number Publication Date
IT967099B true IT967099B (it) 1974-02-28

Family

ID=22648749

Family Applications (1)

Application Number Title Priority Date Filing Date
IT28756/72A IT967099B (it) 1971-09-02 1972-09-01 Processo per la formatura di mate riale termoplastico espandibile

Country Status (7)

Country Link
US (1) US3963816A (it)
JP (1) JPS4861571A (it)
CA (1) CA997519A (it)
DE (1) DE2243123A1 (it)
FR (1) FR2151098B1 (it)
GB (1) GB1402115A (it)
IT (1) IT967099B (it)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4073843A (en) * 1972-09-11 1978-02-14 Foster Grant Co., Inc. Process of partially expanding thermoplastic particles using a mixture of steam and a hot dry gas
SE448357B (sv) * 1982-09-14 1987-02-16 Korpela Heikki Sett och anordning for metning och reglering av volymvikten hos ett expanderat partikulert material
AT374206B (de) * 1982-11-15 1984-03-26 Hirsch Kurt Verfahren und vorrichtung zum vorschaeumen von kunststoffen
DE3502006A1 (de) * 1985-01-23 1986-07-24 Hahn, Ortwin, Prof. Dr.-Ing., 4790 Paderborn Verfahren zum schaeumen und sintern von kunststoffen
DE3836875A1 (de) * 1988-04-07 1989-10-26 Erlenbach Gmbh & Co Kg Verfahren und vorrichtung zum herstellen von formlingen aus expandierbaren kunststoffpartikeln
DE19921673B4 (de) * 1999-05-07 2004-03-11 Schaumaplast Sachsen Gmbh Vorrichtung und Verfahren zur Herstellung von Formkörpern aus expandierbaren Kunststoffteilchen
KR100660431B1 (ko) * 2003-03-25 2006-12-22 세키스이가세이힝코교가부시키가이샤 스티렌 개질 직쇄상 저밀도 폴리에틸렌계 발포성 수지입자, 그 제조방법, 예비발포 입자 및 발포 성형체
US7767723B2 (en) * 2003-03-25 2010-08-03 Sekisui Plastics Co., Ltd. Expandable resin particles of styrene-modified straight-chain and low-density polyethylenne, process the production thereof, pre-expanded particles, and foams
CA2534846A1 (en) * 2003-08-15 2005-03-03 Nova Chemicals (International) S.A. Process for processing expandable polymer particles and foam article thereof
EP1813408A1 (de) * 2006-01-26 2007-08-01 Basf Aktiengesellschaft Verfahren zum Befüllen von Formwerkzeugen mit expendierten Polymerpartikeln
MXGT06000017A (es) * 2006-08-30 2008-02-28 Univ Guanajuato Proceso para producir piezas continuas de espuma de poliestireno expandido.
EP1914052B1 (de) * 2006-10-19 2017-06-28 Basf Se Leichte Holzwerkstoffe
US11014276B2 (en) 2013-02-20 2021-05-25 Kurtz Gmbh Method and device for producing a foam particle part
EP3159129A1 (de) * 2015-10-22 2017-04-26 Evonik Röhm GmbH Herstellung von komplexen schaum-/ oder sandwichholstrukturen mittels eines formkerns

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3086248A (en) * 1959-12-07 1963-04-23 Armstrong Cork Co Process for reducing aging period of cellular products formed with steam
US3126432A (en) * 1961-05-18 1964-03-24 Particles of thermoplastic polymer
US3162704A (en) * 1961-09-22 1964-12-22 Champlain Zapata Plastics Mach Molding of expandable plastic pellets
US3155379A (en) * 1962-01-29 1964-11-03 Champlain Zapata Plastics Mach Pre-expander for pellets of plastic material
US3207820A (en) * 1962-04-09 1965-09-21 Owens Illinois Glass Co Method of preparing polystyrene beads for molding
GB1005137A (en) * 1963-09-16 1965-09-22 Monsanto Chemicals Production of foamed vinylaromatic polymer articles
US3452124A (en) * 1964-08-27 1969-06-24 Corning Glass Works Reduction of cooling cycles through rapid decompression of heated beads
US3417170A (en) * 1964-08-27 1968-12-17 Corning Glass Works Reduction of cycle time by the use of heated expanded polystyrene beads
US3446882A (en) * 1966-07-15 1969-05-27 Frank L Landon Process of forming a polystyrene structure within a container
FR1515373A (fr) * 1967-03-09 1968-03-01 Swedish Crucible Steel Company Production de feuilles de mousse de polystyrène flexible
DE1908616C3 (de) * 1969-02-21 1978-04-20 Friedrich 6702 Bad Duerkheim Heck Verfahren zum Herstellen von Formkörpern aus Schaumpolystyrol unter Verwendung von vorgeschäumten Polystyrolteilchen

Also Published As

Publication number Publication date
FR2151098B1 (it) 1979-03-30
GB1402115A (en) 1975-08-06
FR2151098A1 (it) 1973-04-13
US3963816A (en) 1976-06-15
CA997519A (en) 1976-09-28
JPS4861571A (it) 1973-08-29
DE2243123A1 (de) 1973-03-08

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