ES2072508T3 - Proceso para preparar articulos moldeados por soplado de doble pared con una relacion elevada de estiramiento y los productos obtenidos de este modo. - Google Patents

Proceso para preparar articulos moldeados por soplado de doble pared con una relacion elevada de estiramiento y los productos obtenidos de este modo.

Info

Publication number
ES2072508T3
ES2072508T3 ES91117379T ES91117379T ES2072508T3 ES 2072508 T3 ES2072508 T3 ES 2072508T3 ES 91117379 T ES91117379 T ES 91117379T ES 91117379 T ES91117379 T ES 91117379T ES 2072508 T3 ES2072508 T3 ES 2072508T3
Authority
ES
Spain
Prior art keywords
mold
double wall
stretching
way
molded items
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 - Lifetime
Application number
ES91117379T
Other languages
English (en)
Other versions
ES2072508T5 (es
Inventor
Antonio Addeo
Aurelio Biscotti
Vincenzo Cocca
Lucio Pinetti
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.)
SVILUPPO SETTORI IMPIEGO Srl
Centro Sviluppo Settori Impiego SRL
Original Assignee
SVILUPPO SETTORI IMPIEGO Srl
Centro Sviluppo Settori Impiego SRL
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=11185870&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=ES2072508(T3) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by SVILUPPO SETTORI IMPIEGO Srl, Centro Sviluppo Settori Impiego SRL filed Critical SVILUPPO SETTORI IMPIEGO Srl
Application granted granted Critical
Publication of ES2072508T3 publication Critical patent/ES2072508T3/es
Publication of ES2072508T5 publication Critical patent/ES2072508T5/es
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • B29C49/00—Blow-moulding, i.e. blowing a preform or parison to a desired shape within a mould; Apparatus therefor
    • B29C49/0031—Making articles having hollow walls
    • 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
    • B29C49/00—Blow-moulding, i.e. blowing a preform or parison to a desired shape within a mould; Apparatus therefor
    • B29C49/02—Combined blow-moulding and manufacture of the preform or the parison
    • B29C49/04—Extrusion blow-moulding
    • 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
    • B29C49/00—Blow-moulding, i.e. blowing a preform or parison to a desired shape within a mould; Apparatus therefor
    • B29C49/22—Blow-moulding, i.e. blowing a preform or parison to a desired shape within a mould; Apparatus therefor using multilayered preforms or parisons
    • 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
    • B29C49/00—Blow-moulding, i.e. blowing a preform or parison to a desired shape within a mould; Apparatus therefor
    • B29C49/42—Component parts, details or accessories; Auxiliary operations
    • B29C49/48—Moulds
    • B29C49/4802—Moulds with means for locally compressing part(s) of the parison in the main blowing cavity
    • 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
    • B29C49/00—Blow-moulding, i.e. blowing a preform or parison to a desired shape within a mould; Apparatus therefor
    • B29C49/42—Component parts, details or accessories; Auxiliary operations
    • B29C49/48—Moulds
    • B29C49/4802—Moulds with means for locally compressing part(s) of the parison in the main blowing cavity
    • B29C2049/4807—Moulds with means for locally compressing part(s) of the parison in the main blowing cavity by movable mould parts in the mould halves
    • 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
    • B29C2949/00—Indexing scheme relating to blow-moulding
    • B29C2949/07—Preforms or parisons characterised by their configuration
    • B29C2949/081—Specified dimensions, e.g. values or ranges
    • B29C2949/0811—Wall thickness
    • 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
    • B29C49/00—Blow-moulding, i.e. blowing a preform or parison to a desired shape within a mould; Apparatus therefor
    • B29C49/42—Component parts, details or accessories; Auxiliary operations
    • B29C49/4273—Auxiliary operations after the blow-moulding operation not otherwise provided for
    • B29C49/4283—Deforming the finished article

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Mechanical Engineering (AREA)
  • Blow-Moulding Or Thermoforming Of Plastics Or The Like (AREA)
  • Moulds For Moulding Plastics Or The Like (AREA)
  • Shaping By String And By Release Of Stress In Plastics And The Like (AREA)
  • Catalysts (AREA)
  • Medicinal Preparation (AREA)

Abstract

UN PROCESO PARA LA PREPARACION DE ARTICULOS MOLDEADOS POR SOPLADURA DE PARED DOBLE QUE TENGAN UN ALTO INDICE DE ELASTICIDAD QUE CONSISTE EN: A) MOLDEAR POR INYECCION UN CUERPO TUBULAR (1) HECHO DE UN POLIMERO TERMOPLASTICO UTILIZANDO UN APARATO DE MOLDEO POR INYECCION ESENCIALMENTE ANULAR; B) COLOCAR EL CUERPO TUBULAR (1) DENTRO DE UN MOLDE DE MOLDEO POR SOPLADURA ABIERTO COMPUESTO DE UN PRIMER MEDIO MOLDE CONCAVO (2) QUE REPRODUCE PARCIALMENTE LA FORMA DEL ARTICULO A SER PRODUCIDO Y DE UN SEGUNDO MEDIO MOLDE (3) QUE TIENE UN PISTON MOVIL (4) QUE SOPORTA UN MODELO (5) CAPAZ DE ENCAJAR EN LAS CONCAVIDADES DEL PRIMER MEDIO MOLDE (2); Y C) CERRAR EL MOLDE, MOLDEANDO EL CUERPO TUBULAR (1) SEGUN UN METODO DE MOLDEO POR SOPLADURA MIENTRAS QUE AUN SE ENCUENTRA EN ESTADO BLANDO Y, SIMULTANEAMENTE, O CASI SIMULTANEAMENTE, INTRODUCIR EL PISTON MOVIL (4) DEL SEGUNDO MEDIO MOLDE (3) EN LAS CONCAVIDADES DEL PRIMER MEDIO MOLDE (2)-
ES91117379T 1990-10-12 1991-10-11 Proceso para preparar articulos moldeados por soplado de doble pared con una alta relacion de estiramiento y los objetos asi obtenidos. Expired - Lifetime ES2072508T5 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT02171790A IT1243735B (it) 1990-10-12 1990-10-12 Procedimento per la preparazione di manufatti soffiati a doppia parete e ad elevato rapporto di stiro e prodotti cosi' ottenuti.

Publications (2)

Publication Number Publication Date
ES2072508T3 true ES2072508T3 (es) 1995-07-16
ES2072508T5 ES2072508T5 (es) 1998-11-01

Family

ID=11185870

Family Applications (1)

Application Number Title Priority Date Filing Date
ES91117379T Expired - Lifetime ES2072508T5 (es) 1990-10-12 1991-10-11 Proceso para preparar articulos moldeados por soplado de doble pared con una alta relacion de estiramiento y los objetos asi obtenidos.

Country Status (10)

Country Link
EP (1) EP0480457B2 (es)
JP (1) JPH05245915A (es)
KR (1) KR920007774A (es)
AT (1) ATE122600T1 (es)
DE (1) DE69109796T3 (es)
DK (1) DK0480457T4 (es)
ES (1) ES2072508T5 (es)
GR (1) GR3027625T3 (es)
IT (1) IT1243735B (es)
TW (1) TW247292B (es)

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3663672A (en) * 1969-09-18 1972-05-16 Grace W R & Co Process for preparing a parison for blow molding
US3892829A (en) * 1973-10-03 1975-07-01 Owens Illinois Inc Method of making blown plastic articles
US4423000A (en) * 1980-10-17 1983-12-27 Syoichi Teraoka Method for molding hollow plastic articles
DE3721690C1 (en) * 1987-07-01 1988-07-28 Schmalbach Lubeca Device for producing a fuel tank

Also Published As

Publication number Publication date
DE69109796T3 (de) 1998-11-12
IT1243735B (it) 1994-06-21
EP0480457B2 (en) 1998-07-29
TW247292B (es) 1995-05-11
ES2072508T5 (es) 1998-11-01
DK0480457T3 (da) 1995-07-10
DE69109796D1 (de) 1995-06-22
EP0480457B1 (en) 1995-05-17
KR920007774A (ko) 1992-05-27
GR3027625T3 (en) 1998-11-30
ATE122600T1 (de) 1995-06-15
DE69109796T2 (de) 1995-11-23
IT9021717A0 (it) 1990-10-12
DK0480457T4 (da) 1999-04-26
IT9021717A1 (it) 1992-04-12
JPH05245915A (ja) 1993-09-24
EP0480457A1 (en) 1992-04-15

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