ITPD20030302A1 - Valvola di non ritorno, particolarmente per stampi di macchine per lo stampaggio di materia plastica - Google Patents
Valvola di non ritorno, particolarmente per stampi di macchine per lo stampaggio di materia plasticaInfo
- Publication number
- ITPD20030302A1 ITPD20030302A1 IT000302A ITPD20030302A ITPD20030302A1 IT PD20030302 A1 ITPD20030302 A1 IT PD20030302A1 IT 000302 A IT000302 A IT 000302A IT PD20030302 A ITPD20030302 A IT PD20030302A IT PD20030302 A1 ITPD20030302 A1 IT PD20030302A1
- Authority
- IT
- Italy
- Prior art keywords
- valve body
- plastic material
- stroke
- molds
- mold
- Prior art date
Links
- 238000010137 moulding (plastic) Methods 0.000 title abstract 2
- 239000000463 material Substances 0.000 abstract 5
- 238000002347 injection Methods 0.000 abstract 2
- 239000007924 injection Substances 0.000 abstract 2
- 230000002441 reversible effect Effects 0.000 abstract 1
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
- B29C44/00—Shaping by internal pressure generated in the material, e.g. swelling or foaming ; Producing porous or cellular expanded plastics articles
- B29C44/34—Auxiliary operations
- B29C44/58—Moulds
- B29C44/581—Closure devices for pour holes
-
- 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
- B29C45/20—Injection nozzles
- B29C45/23—Feed stopping equipment
-
- 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
- B29C45/26—Moulds
- B29C45/27—Sprue channels ; Runner channels or runner nozzles
- B29C45/30—Flow control means disposed within the sprue channel, e.g. "torpedo" construction
-
- 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
- B29C2945/00—Indexing scheme relating to injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould
- B29C2945/76—Measuring, controlling or regulating
- B29C2945/76494—Controlled parameter
- B29C2945/76545—Flow rate
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Mechanical Engineering (AREA)
- Injection Moulding Of Plastics Or The Like (AREA)
- Check Valves (AREA)
- Moulds For Moulding Plastics Or The Like (AREA)
- Perforating, Stamping-Out Or Severing By Means Other Than Cutting (AREA)
- Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)
- Forging (AREA)
Priority Applications (9)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
IT000302A ITPD20030302A1 (it) | 2003-12-17 | 2003-12-17 | Valvola di non ritorno, particolarmente per stampi di macchine per lo stampaggio di materia plastica |
TW093101734A TW200521362A (en) | 2003-12-17 | 2004-01-27 | Check valve particularly for molds of plastic molding machines |
EP04023034A EP1543936B1 (en) | 2003-12-17 | 2004-09-28 | Check valve particularly for molds of plastic molding machines |
AT04023034T ATE365621T1 (de) | 2003-12-17 | 2004-09-28 | Rückschlagventil insbesondere für werkzeuge von kunststoffverarbeitungsmaschinen |
DE602004007227T DE602004007227D1 (de) | 2003-12-17 | 2004-09-28 | Rückschlagventil insbesondere für Werkzeuge von Kunststoffverarbeitungsmaschinen |
BR0404120-8A BRPI0404120A (pt) | 2003-12-17 | 2004-09-30 | Válvula de retenção |
KR1020040084430A KR20050061282A (ko) | 2003-12-17 | 2004-10-21 | 플라스틱 몰딩머신의 몰드용 체크 밸브 |
CNU2004201166472U CN2767114Y (zh) | 2003-12-17 | 2004-12-17 | 特别是用于塑料成型机之模具的止回阀 |
CNA2004101019567A CN1629526A (zh) | 2003-12-17 | 2004-12-17 | 特别是用于塑料成型机之模具的止回阀 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
IT000302A ITPD20030302A1 (it) | 2003-12-17 | 2003-12-17 | Valvola di non ritorno, particolarmente per stampi di macchine per lo stampaggio di materia plastica |
Publications (1)
Publication Number | Publication Date |
---|---|
ITPD20030302A1 true ITPD20030302A1 (it) | 2005-06-18 |
Family
ID=34509491
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
IT000302A ITPD20030302A1 (it) | 2003-12-17 | 2003-12-17 | Valvola di non ritorno, particolarmente per stampi di macchine per lo stampaggio di materia plastica |
Country Status (8)
Country | Link |
---|---|
EP (1) | EP1543936B1 (it) |
KR (1) | KR20050061282A (it) |
CN (2) | CN2767114Y (it) |
AT (1) | ATE365621T1 (it) |
BR (1) | BRPI0404120A (it) |
DE (1) | DE602004007227D1 (it) |
IT (1) | ITPD20030302A1 (it) |
TW (1) | TW200521362A (it) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2928578B1 (fr) * | 2008-03-11 | 2012-03-09 | Faurecia Interieur Ind | Piece d'equipement de vehicule automobile, et procede de fabrication associe |
EP2360002A1 (en) * | 2010-02-11 | 2011-08-24 | Sika Technology AG | Baffle or reinforcer with fixation mechanism |
KR101721421B1 (ko) | 2015-05-19 | 2017-03-31 | (주)삼성유압기계 | 2축 연신 블로우 성형장치 및 방법 |
WO2017142352A1 (ko) * | 2016-02-19 | 2017-08-24 | (주) 디케이 문교 | 체크밸브가 설치된 의치 성형용 플라스크 및 이종재질의 의치 성형용 플라스크를 사용한 의치보조물 제조방법 |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3374502A (en) * | 1965-10-12 | 1968-03-26 | Osley & Whitney Inc | Sprue bushing and nozzle assembly |
CA921666A (en) * | 1969-03-06 | 1973-02-27 | Semperit Osterreichisch-Amerikanische Gummiwerke Aktiengesellschaft | Injection mould having a closure in the injection channel |
JPS4958156A (it) * | 1972-10-06 | 1974-06-05 | ||
US4213751A (en) * | 1978-06-06 | 1980-07-22 | The Continental Group, Inc. | Valve gate mechanism for injection molding |
-
2003
- 2003-12-17 IT IT000302A patent/ITPD20030302A1/it unknown
-
2004
- 2004-01-27 TW TW093101734A patent/TW200521362A/zh unknown
- 2004-09-28 DE DE602004007227T patent/DE602004007227D1/de active Active
- 2004-09-28 AT AT04023034T patent/ATE365621T1/de not_active IP Right Cessation
- 2004-09-28 EP EP04023034A patent/EP1543936B1/en not_active Not-in-force
- 2004-09-30 BR BR0404120-8A patent/BRPI0404120A/pt not_active IP Right Cessation
- 2004-10-21 KR KR1020040084430A patent/KR20050061282A/ko not_active Application Discontinuation
- 2004-12-17 CN CNU2004201166472U patent/CN2767114Y/zh not_active Expired - Fee Related
- 2004-12-17 CN CNA2004101019567A patent/CN1629526A/zh active Pending
Also Published As
Publication number | Publication date |
---|---|
BRPI0404120A (pt) | 2005-08-23 |
EP1543936A3 (en) | 2006-03-08 |
CN1629526A (zh) | 2005-06-22 |
KR20050061282A (ko) | 2005-06-22 |
DE602004007227D1 (de) | 2007-08-09 |
ATE365621T1 (de) | 2007-07-15 |
EP1543936B1 (en) | 2007-06-27 |
EP1543936A2 (en) | 2005-06-22 |
TW200521362A (en) | 2005-07-01 |
CN2767114Y (zh) | 2006-03-29 |
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