IT8124159A0 - Manufatto ottenuto con tale procedimento perfezionato per procedimento. l'ottenimento di manufatti espansi in materiale termoplastico e - Google Patents

Manufatto ottenuto con tale procedimento perfezionato per procedimento. l'ottenimento di manufatti espansi in materiale termoplastico e

Info

Publication number
IT8124159A0
IT8124159A0 IT8124159A IT2415981A IT8124159A0 IT 8124159 A0 IT8124159 A0 IT 8124159A0 IT 8124159 A IT8124159 A IT 8124159A IT 2415981 A IT2415981 A IT 2415981A IT 8124159 A0 IT8124159 A0 IT 8124159A0
Authority
IT
Italy
Prior art keywords
procedure
obtainment
thermoplastic material
perfected
expanded products
Prior art date
Application number
IT8124159A
Other languages
English (en)
Other versions
IT1138636B (it
Inventor
Giuseppe Ponzielli
Original Assignee
Giuseppe Ponzielli
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 Giuseppe Ponzielli filed Critical Giuseppe Ponzielli
Priority to IT24159/81A priority Critical patent/IT1138636B/it
Publication of IT8124159A0 publication Critical patent/IT8124159A0/it
Priority to US06/410,952 priority patent/US4435523A/en
Application granted granted Critical
Publication of IT1138636B publication Critical patent/IT1138636B/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
    • B29C44/02—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
    • B29C45/1704—Introducing an auxiliary fluid into the mould the fluid being introduced into the interior of the injected material which is still in a molten state, e.g. for producing hollow articles
    • 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
    • Y10S264/83—Injection molding of polyolefin-type foam

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Mechanical Engineering (AREA)
  • Moulds For Moulding Plastics Or The Like (AREA)
  • Injection Moulding Of Plastics Or The Like (AREA)
IT24159/81A 1981-09-25 1981-09-25 Procedimento perfezionato per l'ottenimento di manufatti espansi in materiale termoplastico e manufatto ottenuto con tale procedimento IT1138636B (it)

Priority Applications (2)

Application Number Priority Date Filing Date Title
IT24159/81A IT1138636B (it) 1981-09-25 1981-09-25 Procedimento perfezionato per l'ottenimento di manufatti espansi in materiale termoplastico e manufatto ottenuto con tale procedimento
US06/410,952 US4435523A (en) 1981-09-25 1982-08-24 Process for manufacturing articles of foamed thermoplastic material and article produced thereby

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT24159/81A IT1138636B (it) 1981-09-25 1981-09-25 Procedimento perfezionato per l'ottenimento di manufatti espansi in materiale termoplastico e manufatto ottenuto con tale procedimento

Publications (2)

Publication Number Publication Date
IT8124159A0 true IT8124159A0 (it) 1981-09-25
IT1138636B IT1138636B (it) 1986-09-17

Family

ID=11212291

Family Applications (1)

Application Number Title Priority Date Filing Date
IT24159/81A IT1138636B (it) 1981-09-25 1981-09-25 Procedimento perfezionato per l'ottenimento di manufatti espansi in materiale termoplastico e manufatto ottenuto con tale procedimento

Country Status (2)

Country Link
US (1) US4435523A (it)
IT (1) IT1138636B (it)

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0643500B2 (ja) * 1985-12-04 1994-06-08 住友精化株式会社 吸水性樹脂の造粒方法
EP0297158A1 (de) * 1987-07-01 1989-01-04 Battenfeld GmbH Verfahren zum Herstellen von Mehrschicht-Formkörpern aus thermoplastischem Kunststoffmaterial
DE3805215A1 (de) * 1988-02-19 1989-08-31 Triumph Adler Ag Verfahren zur herstellung einer kunststoffschreibwalze fuer schreib- oder aehnliche bueromaschinen
GB8912701D0 (en) * 1989-06-02 1989-07-19 Hyman Int Ltd Production of porous materials
CH681503A5 (en) * 1989-10-24 1993-04-15 Lange Int Sa Gas assisted injection moulding of ski boot with hollow sole
US5702652A (en) * 1990-05-31 1997-12-30 Crain Industries, Inc. Controlled cooling of porous materials
US5171756A (en) * 1991-07-31 1992-12-15 Crain Industries, Inc. Three stage cooling of porous materials
US5354523A (en) * 1992-07-29 1994-10-11 Shah Chandrakant C Method for dual fluid injection molding
GB9714807D0 (en) * 1997-07-15 1997-09-17 Gas Injection Ltd Improvements in or relating to gas assisted injection moulding
GB9916740D0 (en) * 1999-07-17 1999-09-15 Univ Warwick Gas injection moulding method and apparatus
BR0214740A (pt) * 2001-12-08 2004-09-14 Incro Ltd Método para fabricar um arranjo de bocal fendido
CN1812846A (zh) * 2003-02-18 2006-08-02 英克罗有限公司 分配器喷嘴
JP3859620B2 (ja) * 2003-06-16 2006-12-20 小野産業株式会社 発泡樹脂成形品の製造方法
AT502381B1 (de) * 2005-11-11 2007-03-15 Engel Austria Gmbh Verfahren zur herstellung eines gegenstandes mit einer äusseren schicht aus geschäumtem kunststoff
US20080175942A1 (en) * 2007-01-22 2008-07-24 Hsieh Chi-Jin Shoe mold with blowing arrangement for injection foam molding

Also Published As

Publication number Publication date
IT1138636B (it) 1986-09-17
US4435523A (en) 1984-03-06

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