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
Other languages
English (en)
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/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)
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 (enrdf_load_stackoverflow) 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 (enrdf_load_stackoverflow)
AU (1) AU471911B2 (enrdf_load_stackoverflow)
BE (1) BE784321A (enrdf_load_stackoverflow)
CA (1) CA988670A (enrdf_load_stackoverflow)
DE (1) DE2227048A1 (enrdf_load_stackoverflow)
ES (1) ES403497A1 (enrdf_load_stackoverflow)
FR (1) FR2141453B1 (enrdf_load_stackoverflow)
GB (1) GB1377416A (enrdf_load_stackoverflow)
IT (1) IT974801B (enrdf_load_stackoverflow)
NL (1) NL7207557A (enrdf_load_stackoverflow)
SE (1) SE390139B (enrdf_load_stackoverflow)
ZA (1) ZA723824B (enrdf_load_stackoverflow)

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 (en) * 1986-12-31 1989-07-26 Kingsley Nominees Pty. Ltd. Moulding method and apparatus
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 (de) * 1996-02-26 1999-05-12 HERBST, Richard Verfahren und Vorrichtung zum Spritzgiessen von Kunststoffteilen
EP0800908A1 (de) * 1996-04-12 1997-10-15 HERBST, Richard Verfahren und Vorrichtung zum Spritzgiessen von Kunststoffteilen

Also Published As

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

Similar Documents

Publication Publication Date Title
KR780000334B1 (en) Apparatus for molding articles
JPS52135379A (en) Process for molding strips
GB1362968A (en) Apparatus for the substantially scrapless forming of plastic articles
ZA727405B (en) Machine for producing a plastic-covered glass container
GB1360303A (en) Injection moulding process
AU5545773A (en) Moulding of articles moulding of articles
JPS54161181A (en) Aspheric surface forming machine
CA998508A (en) Mold for forming plastic foam parts
GB1401679A (en) Apparatus for producing screw-threaded injection-moulded articles
GB1402115A (en) Process for moulding articles from expandable thermoplastics material
ZA723824B (en) A mold for forming thick-walled articles
ZA727254B (en) Moulding process
ZA706842B (en) Pressure moulding machine
ZA717386B (en) Apparatus for deflashing molded articles
GB1406229A (en) Moulding process
AU465544B2 (en) Process for molding plastic-covered golfballs
GB1402871A (en) Machine for producing rimmed packaging units
ZA724622B (en) A process for carrying out bulk polymerisation
YU35622B (en) Process for obtaining a novel antibiotic
GB1405411A (en) Apparauts for moulding articles
AU5581673A (en) Moulding articles moulding articles
IL40737A0 (en) Process for combining together plastic shapes
YU7472A (en) Process for preparing thermoplastic molding masses
YU44872A (en) Process for obtainig a novel antibiotc
JPS5676952A (en) Sugarrcoating method for moving molding