FR2480175B1 - - Google Patents
Info
- Publication number
- FR2480175B1 FR2480175B1 FR8106608A FR8106608A FR2480175B1 FR 2480175 B1 FR2480175 B1 FR 2480175B1 FR 8106608 A FR8106608 A FR 8106608A FR 8106608 A FR8106608 A FR 8106608A FR 2480175 B1 FR2480175 B1 FR 2480175B1
- Authority
- FR
- France
- Legal status (The legal status 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 status listed.)
- Expired
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)
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 |
|---|---|
| FR2480175A1 FR2480175A1 (fr) | 1981-10-16 |
| FR2480175B1 true FR2480175B1 (US07166745-20070123-C00016.png) | 1985-03-29 |
Family
ID=11140994
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR8106608A Granted 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 |
Country Status (15)
Families Citing this family (7)
| 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)
| 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 (US07166745-20070123-C00016.png) * | 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 |
-
1980
- 1980-04-15 IT IT12509/80A patent/IT1136175B/it active
-
1981
- 1981-03-17 SE SE8101690A patent/SE8101690L/xx not_active Application Discontinuation
- 1981-03-18 ZA ZA00811790A patent/ZA811790B/xx unknown
- 1981-03-19 DK DK124381A patent/DK124381A/da unknown
- 1981-03-24 CH CH199381A patent/CH644790A5/it not_active IP Right Cessation
- 1981-03-26 ES ES500730A patent/ES8207460A1/es not_active Expired
- 1981-03-27 US US06/248,224 patent/US4404160A/en not_active Expired - Fee Related
- 1981-04-02 FR FR8106608A patent/FR2480175A1/fr active Granted
- 1981-04-02 GB GB8110380A patent/GB2074087B/en not_active Expired
- 1981-04-03 BE BE0/204364A patent/BE888271A/fr not_active IP Right Cessation
- 1981-04-03 BR BR8102034A patent/BR8102034A/pt unknown
- 1981-04-13 NO NO811285A patent/NO811285L/no unknown
- 1981-04-13 NL NL8101813A patent/NL8101813A/nl not_active Application Discontinuation
- 1981-04-14 DE DE19813115059 patent/DE3115059A1/de not_active Ceased
- 1981-04-15 DD DD81229272A patent/DD158375A5/de unknown
Also Published As
| Publication number | Publication date |
|---|---|
| CH644790A5 (it) | 1984-08-31 |
| GB2074087B (en) | 1983-08-24 |
| NL8101813A (nl) | 1981-11-02 |
| BR8102034A (pt) | 1982-01-12 |
| US4404160A (en) | 1983-09-13 |
| ES500730A0 (es) | 1982-09-16 |
| DD158375A5 (de) | 1983-01-12 |
| DE3115059A1 (de) | 1982-03-11 |
| GB2074087A (en) | 1981-10-28 |
| BE888271A (fr) | 1981-07-31 |
| ES8207460A1 (es) | 1982-09-16 |
| ZA811790B (en) | 1982-04-28 |
| IT1136175B (it) | 1986-08-27 |
| DK124381A (da) | 1981-10-16 |
| IT8012509A0 (it) | 1980-04-15 |
| FR2480175A1 (fr) | 1981-10-16 |
| NO811285L (no) | 1981-10-16 |
| SE8101690L (sv) | 1981-10-16 |
Similar Documents
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| ST | Notification of lapse |