SE390139B - Sprutform for framstellning av tjockveggiga foremal - Google Patents

Sprutform for framstellning av tjockveggiga foremal

Info

Publication number
SE390139B
SE390139B SE7207217A SE721772A SE390139B SE 390139 B SE390139 B SE 390139B SE 7207217 A SE7207217 A SE 7207217A SE 721772 A SE721772 A SE 721772A SE 390139 B SE390139 B SE 390139B
Authority
SE
Sweden
Prior art keywords
forems
thick
manufacture
wall
spray form
Prior art date
Application number
SE7207217A
Other languages
English (en)
Swedish (sv)
Inventor
D Ricolleau
Original Assignee
Gir Pi Societe Plast Ind Gir S
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 Gir Pi Societe Plast Ind Gir S filed Critical Gir Pi Societe Plast Ind Gir S
Publication of SE390139B publication Critical patent/SE390139B/xx

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
    • B29C45/46—Means for plasticising or homogenising the moulding material or forcing it into the mould
    • B29C45/57—Exerting after-pressure on the moulding material
    • B29C45/572—Exerting after-pressure on the moulding material using movable mould wall or runner parts
    • 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
    • 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
    • B29C45/46—Means for plasticising or homogenising the moulding material or forcing it into the mould
    • B29C45/57—Exerting after-pressure on the moulding material
    • B29C45/572—Exerting after-pressure on the moulding material using movable mould wall or runner parts
    • B29C2045/577—Exerting after-pressure on the moulding material using movable mould wall or runner parts pushing the material in the runner channel until a pin or slider reaches the mould cavity wall

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)
SE7207217A 1971-06-03 1972-06-01 Sprutform for framstellning av tjockveggiga foremal SE390139B (sv)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR717120062A FR2141453B1 (fr) 1971-06-03 1971-06-03

Publications (1)

Publication Number Publication Date
SE390139B true SE390139B (sv) 1976-12-06

Family

ID=9078032

Family Applications (1)

Application Number Title Priority Date Filing Date
SE7207217A SE390139B (sv) 1971-06-03 1972-06-01 Sprutform for framstellning av tjockveggiga foremal

Country Status (12)

Country Link
AT (1) AT349205B (fr)
AU (1) AU471911B2 (fr)
BE (1) BE784321A (fr)
CA (1) CA988670A (fr)
DE (1) DE2227048A1 (fr)
ES (1) ES403497A1 (fr)
FR (1) FR2141453B1 (fr)
GB (1) GB1377416A (fr)
IT (1) IT974801B (fr)
NL (1) NL7207557A (fr)
SE (1) SE390139B (fr)
ZA (1) ZA723824B (fr)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2462405C2 (de) * 1974-01-10 1983-12-15 Control Process, Inc., Plantsville, Conn. Druckmeß- und Regeleinrichtung für eine Kunststoff-Spritzgießmaschine
US3936261A (en) * 1974-09-20 1976-02-03 Vistron Corporation Apparatus for manufacturing brushes
IT1136175B (it) * 1980-04-15 1986-08-27 Fip Formatura Inienzione Poli Procedimento e dispositivo per la eliminazione della porzione di materozza risultante alla fine del processo di formatura per ineizione di manufatti in materiale termoplastico
US4540534A (en) * 1983-10-11 1985-09-10 American Optical Corporation Apparatus and method for injection molding lenses
GB2161107B (en) * 1984-07-06 1988-03-02 Advanced Semiconductor Mat Method and apparatus for cold runner transfer molding
EP0273769A3 (fr) * 1986-12-31 1989-07-26 Kingsley Nominees Pty. Ltd. Procédé et dispositif de moulage
DE3713931A1 (de) * 1987-04-25 1988-11-03 Bayer Ag Verfahren zur verbesserung der qualitaet von spritzgussteilen
GB2216453A (en) * 1988-03-09 1989-10-11 Acushnet Co Flashless molded o-ring
EP0791448A3 (fr) * 1996-02-26 1999-05-12 HERBST, Richard Procédé et dispositif pour mouler par injection des articles en matière plastique
EP0800908A1 (fr) * 1996-04-12 1997-10-15 HERBST, Richard Procédé et dispositif pour mouler par injection des pièces en matière plastique

Also Published As

Publication number Publication date
CA988670A (fr) 1976-05-11
AU4306672A (en) 1973-12-13
ZA723824B (en) 1973-03-28
ES403497A1 (es) 1975-04-16
GB1377416A (en) 1974-12-18
IT974801B (it) 1974-07-10
BE784321A (fr) 1972-10-02
FR2141453A1 (fr) 1973-01-26
FR2141453B1 (fr) 1973-06-29
ATA483372A (de) 1978-08-15
NL7207557A (fr) 1972-12-05
AT349205B (de) 1979-03-26
DE2227048A1 (de) 1973-01-25
AU471911B2 (en) 1973-12-13

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