ATE365621T1 - Rückschlagventil insbesondere für werkzeuge von kunststoffverarbeitungsmaschinen - Google Patents

Rückschlagventil insbesondere für werkzeuge von kunststoffverarbeitungsmaschinen

Info

Publication number: ATE365621T1
Authority: AT; Austria
Prior art keywords: valve body; plastic material; stroke; mold; check valve
Prior art date: 2003-12-17

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.)

2003-12-17

Filing date

2004-09-28

Publication date

2007-07-15

2004-09-28 Application filed by Main Group Corp S R L filed Critical Main Group Corp S R L

2007-07-15 Application granted granted Critical

2007-07-15 Publication of ATE365621T1 publication Critical patent/ATE365621T1/de

Links

239000000463 material Substances 0.000 abstract 5
238000002347 injection Methods 0.000 abstract 2
239000007924 injection Substances 0.000 abstract 2
238000010137 moulding (plastic) Methods 0.000 abstract 1
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
- 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)
Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)
Perforating, Stamping-Out Or Severing By Means Other Than Cutting (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)	CN1629526A (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 (5)

* 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
US20190083211A1 (en) *	2016-02-19	2019-03-21	Dk Mungyo Corporation	Denture molding flask having check valve installed therein and method for manufacturing denture prosthesis using denture molding flask made of heterogeneous materials
JP2024030626A (ja) *	2022-08-24	2024-03-07	株式会社東芝	射出成形機、射出成形方法および射出成形金型

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
CH497262A (de) *	1969-03-06	1970-10-15	Semperit Ag	Spritzgiessform mit einem Absperrorgan im Einspritzkanal, insbesondere für die Herstellung von Formkörpern aus schaumfähigem Polyurethan
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

2003
- 2003-12-17 IT IT000302A patent/ITPD20030302A1/it unknown
2004
- 2004-01-27 TW TW093101734A patent/TW200521362A/zh unknown
- 2004-09-28 AT AT04023034T patent/ATE365621T1/de not_active IP Right Cessation
- 2004-09-28 DE DE602004007227T patent/DE602004007227D1/de not_active Expired - Lifetime
- 2004-09-28 EP EP04023034A patent/EP1543936B1/de not_active Expired - Lifetime
- 2004-09-30 BR BR0404120-8A patent/BRPI0404120A/pt not_active IP Right Cessation
- 2004-10-21 KR KR1020040084430A patent/KR20050061282A/ko not_active Ceased
- 2004-12-17 CN CNA2004101019567A patent/CN1629526A/zh active Pending
- 2004-12-17 CN CNU2004201166472U patent/CN2767114Y/zh not_active Expired - Fee Related

Also Published As

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

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Legal Events

Date	Code	Title	Description
2007-12-15	RER	Ceased as to paragraph 5 lit. 3 law introducing patent treaties