ATE365621T1 - Rückschlagventil insbesondere für werkzeuge von kunststoffverarbeitungsmaschinen - Google Patents

Rückschlagventil insbesondere für werkzeuge von kunststoffverarbeitungsmaschinen

Info

Publication number
ATE365621T1
ATE365621T1 AT04023034T AT04023034T ATE365621T1 AT E365621 T1 ATE365621 T1 AT E365621T1 AT 04023034 T AT04023034 T AT 04023034T AT 04023034 T AT04023034 T AT 04023034T AT E365621 T1 ATE365621 T1 AT E365621T1
Authority
AT
Austria
Prior art keywords
valve body
plastic material
stroke
mold
check valve
Prior art date
Application number
AT04023034T
Other languages
English (en)
Inventor
Lorenzo Lorenzin
Original Assignee
Main Group Corp S R L
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 Main Group Corp S R L filed Critical Main Group Corp S R L
Application granted granted Critical
Publication of ATE365621T1 publication Critical patent/ATE365621T1/de

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
    • B29C45/20—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
    • 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
    • B29C45/26—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)
AT04023034T 2003-12-17 2004-09-28 Rückschlagventil insbesondere für werkzeuge von kunststoffverarbeitungsmaschinen ATE365621T1 (de)

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
ATE365621T1 true ATE365621T1 (de) 2007-07-15

Family

ID=34509491

Family Applications (1)

Application Number Title Priority Date Filing Date
AT04023034T ATE365621T1 (de) 2003-12-17 2004-09-28 Rückschlagventil insbesondere für werkzeuge von kunststoffverarbeitungsmaschinen

Country Status (8)

Country Link
EP (1) EP1543936B1 (de)
KR (1) KR20050061282A (de)
CN (2) CN2767114Y (de)
AT (1) ATE365621T1 (de)
BR (1) BRPI0404120A (de)
DE (1) DE602004007227D1 (de)
IT (1) ITPD20030302A1 (de)
TW (1) TW200521362A (de)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
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 (de) * 2010-02-11 2011-08-24 Sika Technology AG Dämpfungselement oder Verstärkungselement mit Befestigungselement
KR101721421B1 (ko) 2015-05-19 2017-03-31 (주)삼성유압기계 2축 연신 블로우 성형장치 및 방법
CN107613903A (zh) * 2016-02-19 2018-01-19 （株）Dk文教 设置有止回阀的义齿成型用牙型盒及使用异质材料的义齿成型用牙型盒制造义齿辅助物的方法

Family Cites Families (4)

* Cited by examiner, † Cited by third party
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 (de) * 1972-10-06 1974-06-05
US4213751A (en) * 1978-06-06 1980-07-22 The Continental Group, Inc. Valve gate mechanism for injection molding

Also Published As

Publication number Publication date
EP1543936A2 (de) 2005-06-22
TW200521362A (en) 2005-07-01
BRPI0404120A (pt) 2005-08-23
ITPD20030302A1 (it) 2005-06-18
KR20050061282A (ko) 2005-06-22
CN1629526A (zh) 2005-06-22
DE602004007227D1 (de) 2007-08-09
CN2767114Y (zh) 2006-03-29
EP1543936B1 (de) 2007-06-27
EP1543936A3 (de) 2006-03-08

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Legal Events

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RER Ceased as to paragraph 5 lit. 3 law introducing patent treaties