IT1082084B - Procedimento e dispositivo per produrre pezzi sagomati di materia artificiale termoplastica - Google Patents

Procedimento e dispositivo per produrre pezzi sagomati di materia artificiale termoplastica

Info

Publication number
IT1082084B
IT1082084B IT23934/77A IT2393477A IT1082084B IT 1082084 B IT1082084 B IT 1082084B IT 23934/77 A IT23934/77 A IT 23934/77A IT 2393477 A IT2393477 A IT 2393477A IT 1082084 B IT1082084 B IT 1082084B
Authority
IT
Italy
Prior art keywords
procedure
artificial materials
shaped thermoplastic
produce shaped
thermoplastic artificial
Prior art date
Application number
IT23934/77A
Other languages
English (en)
Original Assignee
Schloemann Siemag Ag
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 Schloemann Siemag Ag filed Critical Schloemann Siemag Ag
Application granted granted Critical
Publication of IT1082084B publication Critical patent/IT1082084B/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
    • B29C44/04—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 consisting of at least two parts of chemically or physically different materials, e.g. having different densities
    • B29C44/0492—Devices for feeding the different materials
    • 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
    • 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
    • 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
    • Y10S366/00—Agitating
    • Y10S366/604—Lather maker
IT23934/77A 1976-05-25 1977-05-24 Procedimento e dispositivo per produrre pezzi sagomati di materia artificiale termoplastica IT1082084B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE2623308A DE2623308C3 (de) 1976-05-25 1976-05-25 Vorrichtung zum diskontinuierlichen Herstellen von Formteilen aus thermoplastischem Kunststoff

Publications (1)

Publication Number Publication Date
IT1082084B true IT1082084B (it) 1985-05-21

Family

ID=5978903

Family Applications (1)

Application Number Title Priority Date Filing Date
IT23934/77A IT1082084B (it) 1976-05-25 1977-05-24 Procedimento e dispositivo per produrre pezzi sagomati di materia artificiale termoplastica

Country Status (12)

Country Link
US (1) US4134687A (it)
JP (1) JPS5310664A (it)
BE (1) BE855035A (it)
CA (1) CA1094273A (it)
CH (1) CH619397A5 (it)
DD (1) DD130219A5 (it)
DE (1) DE2623308C3 (it)
FR (1) FR2352656A1 (it)
GB (1) GB1547017A (it)
IT (1) IT1082084B (it)
NL (1) NL7705634A (it)
SE (1) SE7705674L (it)

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4302409A (en) * 1975-09-04 1981-11-24 Union Carbide Corporation Method for the extrusion of thermoplastic material composites
DE2825349C2 (de) * 1978-06-09 1982-04-08 C.& W. Berges, Maschinenfabrik, 5277 Marienheide Schneckenpresse zum Vorplastifizieren duroplastischer Press-Massen (Duromere)
US4255367A (en) * 1978-09-21 1981-03-10 Standard Oil Company (Indiana) Method for injection molding articles wherein additives are added in selective portions
FI65683C (fi) * 1979-05-11 1984-06-11 Nokia Oy Ab Metod och anordning foer foam-skin isolering av telefonkabelledare
JPS57203524A (en) * 1981-06-10 1982-12-13 Orion Kasei Kk Method and apparatus for injection molding of expanded molding
US4457511A (en) * 1982-03-15 1984-07-03 William Witkowski Plastic bowling pin and method of making the same
US4473516A (en) * 1983-01-03 1984-09-25 Hoover Universal, Inc. Method and apparatus for injection molding plastic articles having solid exterior surfaces and porous interior cores
US4507255A (en) * 1983-03-30 1985-03-26 Orion Kasei Kabushiki Kaisha Process and apparatus for injection-molding foamed article
US4548776A (en) * 1983-11-23 1985-10-22 Techplastics, Inc. Method and apparatus for molding structural foam articles
AT390758B (de) * 1988-09-19 1990-06-25 Engel Gmbh Maschbau Spritzgussduese fuer eine spritzgussmaschine
DE3912426A1 (de) * 1989-04-12 1990-10-18 Mannesmann Ag Verfahren und vorrichtung zum herstellen von mehrkomponentenspritzgiessteilen
CA2068543C (en) * 1992-05-11 1999-11-09 Jobst Ulrich Gellert Coinjection molding apparatus having rotary axial actuating mechanism
DE19911378A1 (de) * 1999-03-15 2000-09-28 Ulrich Stieler Verfahren zur Herstellung von physikalisch geschäumten Spritzgießartikeln
CN102481712A (zh) * 2009-08-28 2012-05-30 国际密封系统公司 由泡沫聚合物材料压缩成型塑料盖的方法
DE102013105749B4 (de) 2013-06-04 2015-09-03 W. Müller GmbH Extrusionsschlauchkopf für diskontinuierliches Schäumen

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2063756A1 (en) * 1970-12-24 1972-07-13 Krauss Maffei Ag Injection system - with additional feed channels to dose the molten plastic
JPS5211481B2 (it) * 1972-04-08 1977-03-31
CH566207A5 (it) * 1972-12-07 1975-09-15 Siemag Siegener Masch Bau
DE2346135C2 (de) * 1973-09-13 1982-11-04 Battenfeld Maschinenfabriken Gmbh, 5882 Meinerzhagen Verfahren und Vorrichtung zum Spritzgießen von Kunststofformkörpern, die aus einer Füllschicht aus einem thermoplastischen Kunststoff und aus einer diese einschließenden Deckschicht aus einem anderen thermoplastischen Kunststoff bestehen
CH570867A5 (it) * 1973-09-19 1975-12-31 Lo Sfruttamento Di Brevetti Sa
FR2257404B1 (it) * 1973-09-21 1976-05-14 Billion Sa
DE2352538A1 (de) * 1973-10-19 1975-04-30 Huels Chemische Werke Ag Verfahren zur herstellung von strangfoermigen kunststoffprofilen sowie vorrichtung zur durchfuehrung dieses verfahrens
CH571945A5 (en) * 1973-11-30 1976-01-30 Lo Sfruttamento Di Brevetti Sa Extrusion mouldings with porous cores and pore-free skin - by treating a part system of the extruded plastic with a foaming agent
JPS5098977A (it) * 1973-12-28 1975-08-06

Also Published As

Publication number Publication date
BE855035A (fr) 1977-09-16
DD130219A5 (de) 1978-03-15
JPS6117253B2 (it) 1986-05-07
DE2623308B2 (de) 1979-11-29
FR2352656B1 (it) 1982-10-22
CA1094273A (en) 1981-01-27
NL7705634A (nl) 1977-11-29
DE2623308C3 (de) 1980-07-31
GB1547017A (en) 1979-06-06
DE2623308A1 (de) 1977-12-08
US4134687A (en) 1979-01-16
SE7705674L (sv) 1977-11-26
JPS5310664A (en) 1978-01-31
FR2352656A1 (fr) 1977-12-23
CH619397A5 (it) 1980-09-30

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