ES2066777T3 - Boquilla de moldeo por inyeccion asi como disposicion de moldeado por inyeccion. - Google Patents

Boquilla de moldeo por inyeccion asi como disposicion de moldeado por inyeccion.

Info

Publication number
ES2066777T3
ES2066777T3 ES88117916T ES88117916T ES2066777T3 ES 2066777 T3 ES2066777 T3 ES 2066777T3 ES 88117916 T ES88117916 T ES 88117916T ES 88117916 T ES88117916 T ES 88117916T ES 2066777 T3 ES2066777 T3 ES 2066777T3
Authority
ES
Spain
Prior art keywords
nozzle
pin
injection molding
channel
pressure
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
ES88117916T
Other languages
English (en)
Inventor
Luis Fernandez
Otto Hofstetter
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.)
Otto Hofstetter AG
Original Assignee
Otto Hofstetter 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 Otto Hofstetter AG filed Critical Otto Hofstetter AG
Application granted granted Critical
Publication of ES2066777T3 publication Critical patent/ES2066777T3/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
    • 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
    • B29C45/26—Moulds
    • B29C45/27—Sprue channels ; Runner channels or runner nozzles
    • B29C45/28—Closure devices therefor
    • B29C45/2806—Closure devices therefor consisting of needle valve systems

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Mechanical Engineering (AREA)
  • Injection Moulding Of Plastics Or The Like (AREA)
  • Moulds For Moulding Plastics Or The Like (AREA)
  • Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)

Abstract

PARA ASEGURAR QUE CON UNA TOBERA DE FUNDICION INYECTADA (1) CON UN CANAL DE TOBERA (7), DENTRO DE QUE UN PORTAVIENTO (9) CONTROLA LA BOCA DE LA TOBERA (5) COMO SALIDA, NO NACE EN DESPLAZAMIENTO DE LA PUNTA DEL PORTAVIENTO EN RESPECTO A LA BOCA DE TOBERA (5) POR RAZON DE SITRIBUCIONES DE UN MATERIAL DE INYECCION LLEVADO BAJO PRESION AL CANAL (7), COMO DE PET, SE TRANSPORTA EL MATERIAL DE INYECCION, SIN HACER CONTACTO CON EL PORTAVIENTO (9), PARALELO AL EJE DEL CUAL, PARA QUE FINALMENTE SE LLEVA EL MATERIAL CON UNA PRESION DISTRIBUIDO UNIFORME EN LA CIRCUNFERNCIA DEL PORTAVIENTO (9) AL CANAL DE TOBERA (7), Y/O SE ELECCIONA LA LONGITUD AXIAL DEL CANAL DE TOBERA (7) Y CON ESTO LA LONGITUD LIBRE (1) DEL PORTAVIENTEO (9) CORTO DE TAL MODO, QUE UNA DISTRIBUCION DE PRESION ASIMETRICA A LO LARGO DE LA CIRCUNFERENCIA DEL PORTAVIENTO PUEDE EFECTUAR UNA DESVIACION SOLO DESPRECIABLE, PARTICULARMENTE DEL PORTAVIENTO (9) RECUPERADO.
ES88117916T 1987-12-10 1988-10-27 Boquilla de moldeo por inyeccion asi como disposicion de moldeado por inyeccion. Expired - Lifetime ES2066777T3 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH4831/87A CH677210A5 (es) 1987-12-10 1987-12-10

Publications (1)

Publication Number Publication Date
ES2066777T3 true ES2066777T3 (es) 1995-03-16

Family

ID=4283305

Family Applications (1)

Application Number Title Priority Date Filing Date
ES88117916T Expired - Lifetime ES2066777T3 (es) 1987-12-10 1988-10-27 Boquilla de moldeo por inyeccion asi como disposicion de moldeado por inyeccion.

Country Status (7)

Country Link
EP (1) EP0321678B1 (es)
JP (1) JP2831364B2 (es)
AT (1) ATE115033T1 (es)
CA (1) CA1326336C (es)
CH (1) CH677210A5 (es)
DE (1) DE3852382D1 (es)
ES (1) ES2066777T3 (es)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA2115613C (en) * 1994-02-14 2002-02-12 Jobst Ulrich Gellert Injection molding valve member sealing bushing with thin collar portion
CA2530031C (en) * 2003-01-31 2009-01-13 Otto Hofstetter Ag Coinjection nozzle

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1524962A (fr) * 1964-02-12 1968-05-17 Mecanique Et D Outil De Prec S Buse spéciale pour presses à injecter les matières plastiques
CA1032317A (en) * 1975-04-10 1978-06-06 Jobst U. Gellert Valve-gated injection molding mechanism
US4095931A (en) * 1975-12-01 1978-06-20 Incoe Corporation Injection molding machine and method
US4412807A (en) * 1982-01-28 1983-11-01 The Continental Group, Inc. Offset flow injection nozzle
DE3237924A1 (de) * 1982-10-13 1984-04-19 Incoe Exp. Inc. Deutschland, 6072 Dreieich Verschliessbare duese fuer spritzgussmaschinen
CA1265907A (en) * 1987-02-17 1990-02-20 Jobst U. Gellert Injection molding system having manifold with side mounted nozzles and method
CA1261579A (en) * 1987-03-19 1989-09-26 Mold-Masters Limited Replaceable rocker arm assembly for injection molding system

Also Published As

Publication number Publication date
CH677210A5 (es) 1991-04-30
JPH01192516A (ja) 1989-08-02
CA1326336C (en) 1994-01-25
EP0321678A1 (de) 1989-06-28
EP0321678B1 (de) 1994-12-07
ATE115033T1 (de) 1994-12-15
DE3852382D1 (de) 1995-01-19
JP2831364B2 (ja) 1998-12-02

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