ZA723824B - A mold for forming thick-walled articles - Google Patents

A mold for forming thick-walled articles

Info

Publication number
ZA723824B
ZA723824B ZA723824A ZA723824A ZA723824B ZA 723824 B ZA723824 B ZA 723824B ZA 723824 A ZA723824 A ZA 723824A ZA 723824 A ZA723824 A ZA 723824A ZA 723824 B ZA723824 B ZA 723824B
Authority
ZA
South Africa
Prior art keywords
mold
forming thick
walled articles
walled
articles
Prior art date
Application number
ZA723824A
Inventor
D Ricolleau
Original Assignee
Gir Pi
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 filed Critical Gir Pi
Publication of ZA723824B publication Critical patent/ZA723824B/en

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
ZA723824A 1971-06-03 1972-06-05 A mold for forming thick-walled articles ZA723824B (en)

Applications Claiming Priority (1)

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

Publications (1)

Publication Number Publication Date
ZA723824B true ZA723824B (en) 1973-03-28

Family

ID=9078032

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA723824A ZA723824B (en) 1971-06-03 1972-06-05 A mold for forming thick-walled articles

Country Status (12)

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

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2462405C2 (en) * 1974-01-10 1983-12-15 Control Process, Inc., Plantsville, Conn. Pressure measuring and control device for a plastic injection molding machine
US3936261A (en) * 1974-09-20 1976-02-03 Vistron Corporation Apparatus for manufacturing brushes
IT1136175B (en) * 1980-04-15 1986-08-27 Fip Formatura Inienzione Poli PROCEDURE AND DEVICE FOR THE ELIMINATION OF THE PORTION OF MATERIAL RESULTING AT THE END OF THE FORMING PROCESS FOR INJECTION OF THERMOPLASTIC MATERIALS
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 (en) * 1986-12-31 1989-07-26 Kingsley Nominees Pty. Ltd. Moulding method and apparatus
DE3713931A1 (en) * 1987-04-25 1988-11-03 Bayer Ag METHOD FOR IMPROVING THE QUALITY OF INJECTION MOLDING
GB2216453A (en) * 1988-03-09 1989-10-11 Acushnet Co Flashless molded o-ring
EP0791448A3 (en) * 1996-02-26 1999-05-12 HERBST, Richard Method and apparatus for injection moulding of plastic articles
EP0800908A1 (en) * 1996-04-12 1997-10-15 HERBST, Richard Method and apparatus for injection moulding of plastic parts

Also Published As

Publication number Publication date
CA988670A (en) 1976-05-11
FR2141453B1 (en) 1973-06-29
ATA483372A (en) 1978-08-15
AU471911B2 (en) 1973-12-13
SE390139B (en) 1976-12-06
AT349205B (en) 1979-03-26
DE2227048A1 (en) 1973-01-25
FR2141453A1 (en) 1973-01-26
AU4306672A (en) 1973-12-13
ES403497A1 (en) 1975-04-16
IT974801B (en) 1974-07-10
NL7207557A (en) 1972-12-05
GB1377416A (en) 1974-12-18
BE784321A (en) 1972-10-02

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