IT1136175B - Procedimento e dispositivo per la eliminazione della porzione di materozza risultante alla fine del processo di formatura per ineizione di manufatti in materiale termoplastico - Google Patents

Procedimento e dispositivo per la eliminazione della porzione di materozza risultante alla fine del processo di formatura per ineizione di manufatti in materiale termoplastico

Info

Publication number
IT1136175B
IT1136175B IT12509/80A IT1250980A IT1136175B IT 1136175 B IT1136175 B IT 1136175B IT 12509/80 A IT12509/80 A IT 12509/80A IT 1250980 A IT1250980 A IT 1250980A IT 1136175 B IT1136175 B IT 1136175B
Authority
IT
Italy
Prior art keywords
elimination
injection
procedure
forming process
thermoplastic materials
Prior art date
Application number
IT12509/80A
Other languages
English (en)
Other versions
IT8012509A0 (it
Inventor
Giancarlo Bonissone
Piero Mulas
Original Assignee
Fip Formatura Inienzione Poli
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 Fip Formatura Inienzione Poli filed Critical Fip Formatura Inienzione Poli
Publication of IT8012509A0 publication Critical patent/IT8012509A0/it
Priority to IT12509/80A priority Critical patent/IT1136175B/it
Priority to SE8101690A priority patent/SE8101690L/xx
Priority to ZA00811790A priority patent/ZA811790B/xx
Priority to DK124381A priority patent/DK124381A/da
Priority to CH199381A priority patent/CH644790A5/it
Priority to ES500730A priority patent/ES500730A0/es
Priority to US06/248,224 priority patent/US4404160A/en
Priority to GB8110380A priority patent/GB2074087B/en
Priority to FR8106608A priority patent/FR2480175A1/fr
Priority to BE0/204364A priority patent/BE888271A/fr
Priority to BR8102034A priority patent/BR8102034A/pt
Priority to NO811285A priority patent/NO811285L/no
Priority to NL8101813A priority patent/NL8101813A/nl
Priority to DE19813115059 priority patent/DE3115059A1/de
Priority to DD81229272A priority patent/DD158375A5/de
Application granted granted Critical
Publication of IT1136175B publication Critical patent/IT1136175B/it

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
    • B29C45/2896—Closure devices therefor extending in or through the mould cavity, e.g. valves mounted opposite the sprue channel
    • 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
    • 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
    • B29C45/38—Cutting-off equipment for sprues or ingates
    • 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
    • B29C45/46—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
IT12509/80A 1980-04-15 1980-04-15 Procedimento e dispositivo per la eliminazione della porzione di materozza risultante alla fine del processo di formatura per ineizione di manufatti in materiale termoplastico IT1136175B (it)

Priority Applications (15)

Application Number Priority Date Filing Date Title
IT12509/80A IT1136175B (it) 1980-04-15 1980-04-15 Procedimento e dispositivo per la eliminazione della porzione di materozza risultante alla fine del processo di formatura per ineizione di manufatti in materiale termoplastico
SE8101690A SE8101690L (sv) 1980-04-15 1981-03-17 Sett och anordning for formprutning av foremal av termoplast utan inloppstapp
ZA00811790A ZA811790B (en) 1980-04-15 1981-03-18 Method and device for eliminating the feeder head portion which results at the end of the injection moulding process for articles of thermoplastic material
DK124381A DK124381A (da) 1980-04-15 1981-03-19 Fremgangsmaade og anordning ved en injektionsstoebeform til undgaaelse af doedhoveder paa stoebte genstande af et termoplastisk materiale
CH199381A CH644790A5 (it) 1980-04-15 1981-03-24 Procedimento e dispositivo per l'eliminazione della porzione di materozza risultante alla fine della formatura per iniezione di manufatti in materiale termoplastico.
ES500730A ES500730A0 (es) 1980-04-15 1981-03-26 Un dispositivo para eliminar, la parte de maza rota al final del moldeo por inyeccion de un articulo de material termoplastico.
US06/248,224 US4404160A (en) 1980-04-15 1981-03-27 Method and device for eliminating the feeder head portion injection moulding process
GB8110380A GB2074087B (en) 1980-04-15 1981-04-02 Eliminating the feeder head portion which results at the end of the injection moulding process for articles of thermoplastic material
FR8106608A FR2480175A1 (fr) 1980-04-15 1981-04-02 Procede et dispositif pour eliminer la masselotte qui apparait a la fin d'une operation de moulage par injection d'article en matiere thermoplastique
BE0/204364A BE888271A (fr) 1980-04-15 1981-04-03 Procede et dispositif d'elimination de la masselotte qui se forme a la fin du processus de moulage par injection d'objets en matiere thermoplastique,
BR8102034A BR8102034A (pt) 1980-04-15 1981-04-03 Processo e dispositivo para eliminar a parte da cabeca alimentadora que resulta da moldagem por injecao de um artigo de material termoplastico
NO811285A NO811285L (no) 1980-04-15 1981-04-13 Fremgangsmaate og anordning til eliminering av stoepehode som oppstaar ved avslutning av sproeytestoeping av gjenstander av termoplast
NL8101813A NL8101813A (nl) 1980-04-15 1981-04-13 Werkwijze en inrichting voor het verwijderen van het verloren kopgedeelte dat men krijgt aan het eind van een spuitgietproces voor het vervaardigen van voorwerpen van thermoplastisch materiaal.
DE19813115059 DE3115059A1 (de) 1980-04-15 1981-04-14 Verfahren und einrichtung zum entfernen des sich am ende des spritzgiessvorganges von artikeln aus thermoplastischem material bildenden angusses
DD81229272A DD158375A5 (de) 1980-04-15 1981-04-15 Verfahren und einrichtung zum entfernen des angusses nach dem spritzgiessvorgang thermoplastischer artikel

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT12509/80A IT1136175B (it) 1980-04-15 1980-04-15 Procedimento e dispositivo per la eliminazione della porzione di materozza risultante alla fine del processo di formatura per ineizione di manufatti in materiale termoplastico

Publications (2)

Publication Number Publication Date
IT8012509A0 IT8012509A0 (it) 1980-04-15
IT1136175B true IT1136175B (it) 1986-08-27

Family

ID=11140994

Family Applications (1)

Application Number Title Priority Date Filing Date
IT12509/80A IT1136175B (it) 1980-04-15 1980-04-15 Procedimento e dispositivo per la eliminazione della porzione di materozza risultante alla fine del processo di formatura per ineizione di manufatti in materiale termoplastico

Country Status (15)

Country Link
US (1) US4404160A (it)
BE (1) BE888271A (it)
BR (1) BR8102034A (it)
CH (1) CH644790A5 (it)
DD (1) DD158375A5 (it)
DE (1) DE3115059A1 (it)
DK (1) DK124381A (it)
ES (1) ES500730A0 (it)
FR (1) FR2480175A1 (it)
GB (1) GB2074087B (it)
IT (1) IT1136175B (it)
NL (1) NL8101813A (it)
NO (1) NO811285L (it)
SE (1) SE8101690L (it)
ZA (1) ZA811790B (it)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3526632A1 (de) * 1985-07-25 1987-02-05 Krauss Maffei Ag Verfahren und vorrichtung zum herstellen eines spritzgiessteils
DE3611249A1 (de) * 1986-04-04 1987-10-15 Braun Pebra Gmbh Verfahren und vorrichtung zur herstellung von kunststoff-formteilen
JP2710254B2 (ja) * 1989-11-01 1998-02-10 住友重機械工業株式会社 フイルムゲートを金型内で剪断する射出成形金型
GB9314614D0 (en) * 1993-07-14 1993-08-25 Minnesota Mining & Mfg Dry powder inhalers
EP0791448A3 (de) * 1996-02-26 1999-05-12 HERBST, Richard Verfahren und Vorrichtung zum Spritzgiessen von Kunststoffteilen
US6767489B2 (en) * 2002-07-29 2004-07-27 Lexmark International, Inc. Method to mold round polyurethane rollers free of injection gates, parting lines and bubbles
ES2568402B1 (es) * 2016-02-04 2017-02-03 Rafael Berengena Cano Molde de inyección perfeccionado

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2828507A (en) * 1953-12-07 1958-04-01 Stokes F J Corp Injection molding press having valved gate
US3023458A (en) * 1954-05-27 1962-03-06 Morris Michael Marks Injection molding method and apparatus
US2878515A (en) * 1954-11-01 1959-03-24 Stokes F J Corp Valved gates for an injection molding press
IL34598A (en) * 1969-06-07 1974-03-14 Katashi Aoki An injection molding machine
FR2141453B1 (it) * 1971-06-03 1973-06-29 Gir Pi Plast Ind Gir Sa
US3936261A (en) * 1974-09-20 1976-02-03 Vistron Corporation Apparatus for manufacturing brushes
US3989436A (en) * 1975-12-18 1976-11-02 Rca Corporation Apparatus for producing injection molded and centrally apertured disc records
US4260360A (en) * 1978-06-26 1981-04-07 Mca Disco-Vision, Inc. Method and means for replicating centrally apertured video disc records
US4276015A (en) * 1978-07-19 1981-06-30 Rogers Richard R Method and apparatus for molding clay pigeons and the like

Also Published As

Publication number Publication date
IT8012509A0 (it) 1980-04-15
ZA811790B (en) 1982-04-28
BE888271A (fr) 1981-07-31
DK124381A (da) 1981-10-16
BR8102034A (pt) 1982-01-12
NO811285L (no) 1981-10-16
ES8207460A1 (es) 1982-09-16
DE3115059A1 (de) 1982-03-11
GB2074087B (en) 1983-08-24
CH644790A5 (it) 1984-08-31
FR2480175B1 (it) 1985-03-29
NL8101813A (nl) 1981-11-02
US4404160A (en) 1983-09-13
FR2480175A1 (fr) 1981-10-16
SE8101690L (sv) 1981-10-16
DD158375A5 (de) 1983-01-12
GB2074087A (en) 1981-10-28
ES500730A0 (es) 1982-09-16

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