ES473852A1 - Dispositivo de moldeo de objetos de paredes delgadas, de ma-terial plastico expandido. - Google Patents

Dispositivo de moldeo de objetos de paredes delgadas, de ma-terial plastico expandido.

Info

Publication number
ES473852A1
ES473852A1 ES473852A ES473852A ES473852A1 ES 473852 A1 ES473852 A1 ES 473852A1 ES 473852 A ES473852 A ES 473852A ES 473852 A ES473852 A ES 473852A ES 473852 A1 ES473852 A1 ES 473852A1
Authority
ES
Spain
Prior art keywords
plastics material
moulding
expanded plastics
walled objects
moulding thin
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
ES473852A
Other languages
English (en)
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.)
Isobox Barbier SA
Original Assignee
Isobox Barbier SA
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 Isobox Barbier SA filed Critical Isobox Barbier SA
Publication of ES473852A1 publication Critical patent/ES473852A1/es
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
    • B29C33/00—Moulds or cores; Details thereof or accessories therefor
    • B29C33/56—Coatings, e.g. enameled or galvanised; Releasing, lubricating or separating agents
    • 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
    • B29C33/00—Moulds or cores; Details thereof or accessories therefor
    • B29C33/02—Moulds or cores; Details thereof or accessories therefor with incorporated heating or cooling means
    • B29C33/06—Moulds or cores; Details thereof or accessories therefor with incorporated heating or cooling means using radiation, e.g. electro-magnetic waves, induction heating
    • 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
    • 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
    • B29C35/00—Heating, cooling or curing, e.g. crosslinking or vulcanising; Apparatus therefor
    • B29C35/02—Heating or curing, e.g. crosslinking or vulcanizing during moulding, e.g. in a mould
    • B29C35/08—Heating or curing, e.g. crosslinking or vulcanizing during moulding, e.g. in a mould by wave energy or particle radiation
    • B29C35/0805—Heating or curing, e.g. crosslinking or vulcanizing during moulding, e.g. in a mould by wave energy or particle radiation using electromagnetic radiation
    • B29C2035/0811—Heating or curing, e.g. crosslinking or vulcanizing during moulding, e.g. in a mould by wave energy or particle radiation using electromagnetic radiation using induction

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Health & Medical Sciences (AREA)
  • Toxicology (AREA)
  • Moulds For Moulding Plastics Or The Like (AREA)
  • Molding Of Porous Articles (AREA)
  • Injection Moulding Of Plastics Or The Like (AREA)
  • Casting Or Compression Moulding Of Plastics Or The Like (AREA)
  • Blow-Moulding Or Thermoforming Of Plastics Or The Like (AREA)

Abstract

Dispositivo de moldeo de objetos de paredes delgadas, de material plástico expandido, caracterizado porque comprende, en combinación: - un molde en dos partes, cada una de las cuales presenta un cuerpo de material plástico y una impronta de metal, de un grosor comprendido entre 0,3 y 1,5 mm, que presenta pérdidas por corrientes de Foucault; - circuitos inductores dispuestos, tanto sobre la parte macho como sobre la parte hembra del molde, y en la proximidad inmediata de la impronta citada, de preferencia a una distancia de 0,05 a 2 mm de esta última; - al menos un generador de corriente de alta frecuencia al que se hallan enlazados los circuitos inductores citados.
ES473852A 1977-10-19 1978-10-02 Dispositivo de moldeo de objetos de paredes delgadas, de ma-terial plastico expandido. Expired ES473852A1 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7731404A FR2406516A1 (fr) 1977-10-19 1977-10-19 Dispositif et procede de fabrication d'objets a parois minces en matiere plastique expansee

Publications (1)

Publication Number Publication Date
ES473852A1 true ES473852A1 (es) 1979-04-16

Family

ID=9196672

Family Applications (1)

Application Number Title Priority Date Filing Date
ES473852A Expired ES473852A1 (es) 1977-10-19 1978-10-02 Dispositivo de moldeo de objetos de paredes delgadas, de ma-terial plastico expandido.

Country Status (10)

Country Link
JP (1) JPS54108871A (es)
BE (1) BE870720A (es)
CA (1) CA1114121A (es)
DE (1) DE2845193A1 (es)
ES (1) ES473852A1 (es)
FR (1) FR2406516A1 (es)
GB (1) GB2007579B (es)
IT (1) IT1098992B (es)
NL (1) NL7810183A (es)
SE (1) SE7810260L (es)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5176839A (en) * 1991-03-28 1993-01-05 General Electric Company Multilayered mold structure for hot surface molding in a short cycle time
US5620636A (en) * 1991-04-08 1997-04-15 Kanegafuchi Kagaku Kogyo Kabushiki Kaisha Process for manufacturing foam molded product
WO1992017330A1 (en) * 1991-04-08 1992-10-15 Kanegafuchi Kagaku Kogyo Kabushiki Kaisha Foamed synthetic resin molded product, method of molding said product, and metallic mold for internal foam molding
DE19719321C2 (de) * 1997-05-08 2000-12-14 Mst Automotive Gmbh Herstellung eines leichten Lenkrades
US20110215497A1 (en) * 2008-09-22 2011-09-08 Mcevoy James T Post-cure of molded polyurethane foam products
DE202009001959U1 (de) 2009-03-11 2010-07-29 Kunststoffinstitut für die mittelständische Wirtschaft NRW GmbH Formwerkzeug
AT518100A1 (de) 2015-12-22 2017-07-15 Fill Gmbh Verfahren zur Herstellung eines Formkörpers aus einem Partikelschaummaterial
DE102022205624A1 (de) 2022-06-01 2023-12-07 Volkswagen Aktiengesellschaft Einrichtung und Verfahren zur Herstellung eines Formteils

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3079630A (en) * 1959-06-18 1963-03-05 Sheffield Plastics Inc Apparatus and procedure for making expanded resinous containers

Also Published As

Publication number Publication date
IT7828394A0 (it) 1978-10-04
FR2406516A1 (fr) 1979-05-18
DE2845193A1 (de) 1979-04-26
BE870720A (fr) 1979-03-26
CA1114121A (fr) 1981-12-15
IT1098992B (it) 1985-09-18
JPS54108871A (en) 1979-08-25
GB2007579A (en) 1979-05-23
SE7810260L (sv) 1979-04-20
GB2007579B (en) 1982-03-03
NL7810183A (nl) 1979-04-23

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