SE8101690L - Sett och anordning for formprutning av foremal av termoplast utan inloppstapp - Google Patents

Sett och anordning for formprutning av foremal av termoplast utan inloppstapp

Info

Publication number
SE8101690L
SE8101690L SE8101690A SE8101690A SE8101690L SE 8101690 L SE8101690 L SE 8101690L SE 8101690 A SE8101690 A SE 8101690A SE 8101690 A SE8101690 A SE 8101690A SE 8101690 L SE8101690 L SE 8101690L
Authority
SE
Sweden
Prior art keywords
termoplast
input step
forming extensions
extensions
forming
Prior art date
Application number
SE8101690A
Other languages
English (en)
Swedish (sv)
Inventor
G Bonissone
P 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 SE8101690L publication Critical patent/SE8101690L/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
    • B29C45/26—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

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)
  • Golf Clubs (AREA)
  • Apparatus For Radiation Diagnosis (AREA)
SE8101690A 1980-04-15 1981-03-17 Sett och anordning for formprutning av foremal av termoplast utan inloppstapp SE8101690L (sv)

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 (1)

Publication Number Publication Date
SE8101690L true SE8101690L (sv) 1981-10-16

Family

ID=11140994

Family Applications (1)

Application Number Title Priority Date Filing Date
SE8101690A SE8101690L (sv) 1980-04-15 1981-03-17 Sett och anordning for formprutning av foremal av termoplast utan inloppstapp

Country Status (15)

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

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 (nl) * 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
FR2480175A1 (fr) 1981-10-16
GB2074087A (en) 1981-10-28
ZA811790B (en) 1982-04-28
ES8207460A1 (es) 1982-09-16
DE3115059A1 (de) 1982-03-11
CH644790A5 (it) 1984-08-31
IT8012509A0 (it) 1980-04-15
DK124381A (da) 1981-10-16
NO811285L (no) 1981-10-16
NL8101813A (nl) 1981-11-02
US4404160A (en) 1983-09-13
BE888271A (fr) 1981-07-31
DD158375A5 (de) 1983-01-12
IT1136175B (it) 1986-08-27
FR2480175B1 (nl) 1985-03-29
GB2074087B (en) 1983-08-24
ES500730A0 (es) 1982-09-16
BR8102034A (pt) 1982-01-12

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