EP1295655A1 - Entlüftungsventileinrichtung für Giessformen - Google Patents
Entlüftungsventileinrichtung für Giessformen Download PDFInfo
- Publication number
- EP1295655A1 EP1295655A1 EP02405667A EP02405667A EP1295655A1 EP 1295655 A1 EP1295655 A1 EP 1295655A1 EP 02405667 A EP02405667 A EP 02405667A EP 02405667 A EP02405667 A EP 02405667A EP 1295655 A1 EP1295655 A1 EP 1295655A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- valve
- closure member
- vent
- valve device
- vent valve
- Prior art date
- 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.)
- Granted
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D17/00—Pressure die casting or injection die casting, i.e. casting in which the metal is forced into a mould under high pressure
- B22D17/20—Accessories: Details
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D17/00—Pressure die casting or injection die casting, i.e. casting in which the metal is forced into a mould under high pressure
- B22D17/14—Machines with evacuated die cavity
- B22D17/145—Venting means therefor
Definitions
- the invention relates to a vent valve device for molds according to the Preamble of claim 1.
- the mold or the cavity of the The mold is vented during the pouring process. Not only the in Existing air escapes from the cavities of the casting machine and the casting mold can, but it must also be ensured that the out escaping the liquid casting compound gases can also escape.
- vent valve the valve device should be closed as late as possible, so that the cavity is vented to full filling if possible, but on the other hand Liquid pouring material should be prevented from entering the vent valve penetrates.
- valve devices for die casting molds, both types a vent valve with a reciprocating closure member for closing the Have ventilation duct. Meanwhile, in the first type, the closure organ is operated externally, the closure member is in the second type with a force transducer in operative connection, which is directly from that of the cavity into the ventilation channel advancing casting material, using its kinetic energy, is operated.
- Externally operated valve devices are understood to mean that the valve piston not from the casting material penetrating from the cavity into the ventilation duct, but is operated by an external energy source, the latter mostly is designed as a pneumatic or hydraulic system.
- Point of time For triggering the closing process these valve devices can be used, for example determined by means of a sensor monitoring the fill level of the cavity become.
- a difficulty with such valve devices is that the Actual closing process takes a relatively long time, because that is the closing process initiating signal (electrical impulse) in a mechanical movement, for example into actuating a servo valve. moreover must close the vent valve or one with the valve piston in There is a certain system pressure when the actuator is in active connection, so that the vent valve pneumatically or hydraulically within the required Period can be closed.
- valve devices With the second type of valve devices, however, can be very fast and implement reliable valve devices. To the on the force transducer for the To be able to build up the necessary back pressure, this shows from the cavity ventilation duct leading to the force transducer changes in direction and cross-section on.
- the ventilation channel between the force transducer and the actual valve body of the vent valve a certain minimum distance have and be angled so that the vent valve is securely closed before the liquid casting material has reached the vent valve.
- the vent valve is on usually connected to a vacuum pump.
- EP 0 612 573 describes a generic valve device for venting Die casting molds known, which have a ventilation channel, one in the ventilation channel arranged vent valve and an actuator for Closing the vent valve is provided.
- the actuator has one Force transducer on, which from the cavity into the ventilation channel penetrating casting material can be acted upon and with the movable closure part of the vent valve is in mechanical operative connection. It is the force transducer is designed as a thrust member, its working stroke on one Fraction of that to be covered by the movable closure part of the vent valve Closing path is limited. Furthermore, the closure part of the vent valve Movable over the working stroke of the load cell in freewheel mode and the actuator has a power transmission member for the transmission of the shock pulse from the force transducer to the movable closure part of the Vent valve on.
- the object of the invention is based on the known prior art therein, a vent valve device mentioned in the preamble of claim 1 Art to improve such that it can be used universally by the closure member process-independent, i.e. regardless of the operating parameters of the Casting device and the casting material, very quickly and reliably from the Open- can be moved into the closed position.
- the closure member can be operated externally be closed very quickly, especially the time to pick up the frictional connection compared to conventional locking of the Closing member is very short, especially since the closing member is already in the closing direction can be biased or is biased.
- valve device Preferred developments of the valve device are in the dependent claims 2 to 16 circumscribed.
- vent valve device is a vent valve with a hydraulically or pneumatically actuated chamber provided, which with a bulging in the direction of the closure member, the Closure member is frictionally fixable chamber wall is provided.
- the chamber wall is within the elastic limit of the material (steel) deflectable, that after the reduction of the prevailing in the chamber Overpressure automatically in the starting position releasing the closure member back arched.
- bleed valves do not first build up pressure and / or a closure member from a locking be brought into an unlocked position so that the closure member can be moved from the open to the closed position, but it has to only the pressure in the chamber has to be reduced to such an extent that the chamber wall bulges back so that the prestressed closure member is released and can suddenly move from the open to the closed position.
- This Pressure can be reduced, for example, by opening a relief valve.
- the entire closing time from recognizing the mold filling to complete Closing the closure member can be significantly shortened in this way become.
- FIG. 1 shows the vent valve 1 in a longitudinal section the structure of the vent valve explained in more detail.
- the vent valve 1 has round valve housing 2, which with a central valve channel 3 for receiving and guidance of a closure member 20 is provided.
- On the front side of the valve housing 2 is one which acts as an extension of a ventilation duct 7 Vent chamber 6 arranged, which via a valve seat 9 with the valve channel 3 is connected.
- the venting chamber 6 is between one to be vented Cavity leading first ventilation duct section 7a and one on the top arranged from the valve housing 2 leading second ventilation duct section 7b.
- This second ventilation duct section 7b opens radially into a front of the valve duct 3 arranged and adjacent to the valve seat 9 valve chamber 4.
- Hydraulic chamber 13 let into the valve housing 2.
- This hydraulic chamber 13 is with a relatively thin, adjacent to the valve channel 3 Chamber wall 14 provided, which under the action of one in the hydraulic chamber 13 generated overpressure in the direction of the valve channel 3 can be arched out elastically is, as shown in FIG. 2, enlarged and in favor of good visibility strongly exaggerated representation is evident.
- a gaseous one instead of a liquid one Provide medium for loading the hydraulic chamber.
- valve channel 3 this can be moved between an open and a closed position
- Closure member 20 included the closure member 20 in the present Example is shown in the open position.
- the closure member 20 has one Valve stem 21 with an end arranged thereon and designed as a cone valve Valve head 22 on. With this valve head 22, the ventilation channel 7 can Valve seat 9 can be closed if necessary, so that no casting material from first ventilation duct section 7a into the valve duct 3 and the second ventilation duct section 7b can penetrate.
- On the valve head 22 opposite Side is a valve plate 23 by means of a screw 27 with the valve stem 21 connected.
- the valve plate 23 has a circumferential and serving as a stop Bund 25 and an elastically deflectable plate middle part 24.
- valve plate 23 is accommodated in the pneumatic chamber 10, the valve disk 23, and thus also the closure member 20, pneumatically both to the right in the open position shown as can also be moved to the left into the closed position.
- To two channels 28, 29 are provided, which are in front of and behind the valve plate 23 open into the pneumatic chamber 10.
- Fig. 3 shows a cross section through the vent valve along the line A-A in Fig. 1.
- both the valve channel 3 as well as the valve stem 21 a polygonal cross section.
- a polygonal design of the valve channel 3 favors also a clamping, frictional fixation of the closure member 20.
- the vent valve device preferably has one in the first vent duct section 7a arranged sensor 30, by means of which the in the Venting channel penetrating casting material can be detected.
- a control and monitoring unit 32 is provided, the hydraulic unit 33 and comprises a pneumatic unit 34.
- the hydraulic unit 33 is over a flow 36 and a return 37 connected to the hydraulic chamber 13.
- a relief valve arrangement 38 is provided, which i.a. one arranged in the return 37 Relief valve 39, by means of which a rapid breakdown of the in Hydraulic chamber 13 prevailing excess pressure can be introduced.
- This relief valve 39 i.e. the opening takes place by means of the sensor signal, what through the line leading from the sensor 30 to the relief valve 39 40 is indicated.
- a third line 43 can measure the negative pressure prevailing in the ventilation duct become.
- an in-house pneumatic source is used Pressure connection, whereby of course a separate pressure source is also provided can.
- the valve plate 23 helps the kinetic energy of the closure member 20 in the sense of a resilient end stop by first the collar 25 of the valve plate 23 serving as a stop abuts the cover 11 and the kinetic energy is intercepted via the elastic plate middle part 24.
- the valve plate 23 is made of an elastic material with a high internal damping manufactured, the elastic plate middle part 24 is designed such that this is only deflected within the elastic limit of the material.
- Composite fiber materials are particularly suitable for the valve plate 23 because these are light and their properties can be influenced in a targeted manner by for example, they are specifically provided with high internal damping.
- valve plate closure element The Arrangement of the valve plate closure element is designed and dimensioned such that the valve head 22 has not yet applied sealingly to the valve seat 9 when the collar 25 the valve plate 23 comes to rest on the cover 11 of the pneumatic chamber 10.
- the kinetic energy transmitted to the closure member 20 during the closing movement is therefore intercepted in a controlled manner by the valve plate 23.
- the valve plate 23 by the inherent in the closure member 20 kinetic Energy is deflected elastically until the valve head 22 seals on valve seat 9.
- This deflected state of the valve plate 23, in which the Valve seat 9 is closed by the valve head 22, remains as long as a minimum Maintain excess pressure, for example 5 bar, in the pneumatic chamber 10 becomes.
- a spring instead of pneumatic means for prestressing the closure member 20 it could also be a good idea to pretension this with a spring.
- a hydraulically deflectable chamber wall 14 for example piezoelectric crystals can also be used, which the closure member 20 fix frictionally under the influence of an applied voltage.
- a vent valve device can also be provided, which includes more than one vent valve.
- a poppet valve instead of a poppet valve
- a cylindrical or flat valve can also be used.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Self-Closing Valves And Venting Or Aerating Valves (AREA)
- Moulds For Moulding Plastics Or The Like (AREA)
- Valve Housings (AREA)
- Casting Or Compression Moulding Of Plastics Or The Like (AREA)
- Molds, Cores, And Manufacturing Methods Thereof (AREA)
- Macromonomer-Based Addition Polymer (AREA)
- Prostheses (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Casting Devices For Molds (AREA)
- Feeding And Controlling Fuel (AREA)
- Pens And Brushes (AREA)
- Quick-Acting Or Multi-Walled Pipe Joints (AREA)
- Lift Valve (AREA)
Abstract
Description
- Fig. 1
- einen Längsschnitt durch das Entlüftungsventil;
- Fig. 2
- eine Detailansicht des Entlüftungsventils gemäss Fig. 1;
- Fig. 3
- einen Querschnitt durch das Entlüftungsventil entlang der Linie A-A in Fig. 1;
- Fig. 4
- einen Querschnitt durch das Entlüftungsventil entlang der Linie B-B in Fig. 1;
- Fig. 5
- eine Blockschaltbild der gesamten Entlüftungsventileinrichtung;
- Das Entlüftungsventil ist universell einsetzbar, da das Schliessen des Verschlussorgans prozessunabhängig erfolgt, d.h. unabhängig von den Betriebsparametern der Giesseinrichtung sowie des Giessmaterials;
- Das Verschlussorgan wird zuverlässig und sehr schnell, d.h. in der Grössenordnung von ca. 1-2 ms, von der Offen- in die Schliessstellung bewegt. Dadurch kann mit dem Schliessen des Entlüftungsventils bis zum vollständigen Füllen der Kavität zugewartet werden;
- Das Entlüftungsventil ist sehr einfach aufgebaut und besitzt sehr wenig bewegte Teile. Zudem brauchen keine Dichtungen, Federn etc. vorgesehen zu werden. Dadurch ist es sehr kompakt, wartungsarm, zuverlässig und kostengünstig in der Herstellung. Zudem steht ein grosser Absaugquerschnitt zur Verfügung.
- Das Verschlussorgan wird kontrolliert abgebremst, was die Lebensdauer des gesamten Entlüftungsventils erhöht.
- Der runde Aufbau bietet zahlreiche Vorteile beim Einbau.
Claims (16)
- Entlüftungsventileinrichtung für Giessformen, mit einem Entlüftungsventil (1), welches ein mit einem Entlüftungskanal (7) versehenes Ventilgehäuse (2) sowie ein den Entlüftungskanal (7) zu verschliessen bestimmtes, zwischen einer Offen- und Schliessstellung bewegbares Verschlussorgan (20) aufweist, dadurch gekennzeichnet, dass das Verschlussorgan (20) reibschlüssig in der Offenstellung haltbar und gleichzeitig in Schliessrichtung vorspannbar ist.
- Entlüftungsventileinrichtung (1) nach Anspruch 1, dadurch gekennzeichnet, dass erste Mittel zum reibschlüssigen Fixieren des Verschlussorgans (20) in der Offenstellung und zweite Mittel zum Vorspannen des in der Offenstellung fixierten Verschlussorgans (20) in Schliessrichtung vorgesehen sind.
- Entlüftungsventileinrichtung nach Anspruch 2, dadurch gekennzeichnet, dass die ersten Mittel eine hydraulisch oder pneumatisch beaufschlagbare Kammer (13) aufweisen, welche mit einer in Richtung des Verschlussorgans (20) auswölbbaren, das Verschlussorgan (20) reibschlüssig fixierbaren Kammerwandung (14) versehen ist.
- Entlüftungsventileinrichtung nach Anspruch 3, dadurch gekennzeichnet, dass die Kammerwandung (14) innerhalb der Elastizitätsgrenze des Materials derart auslenkbar ist, dass sie sich nach der Reduzierung des in der Kammer (13) vorherrschenden Überdrucks selbsttätig in die das Verschlussorgan (20) freigebende Ausgangsposition zurückwölbt.
- Entlüftungsventileinrichtung nach einem der Ansprüche 2 bis 4, dadurch gekennzeichnet, dass die zweiten Mittel eine pneumatisch unter Überdruck setzbare Kammer (10) umfassen, in welcher eine am Verschlussorgan (20) angeordnete oder mit diesem in Wirkverbindung stehende, in Schliessrichtung des Verschlussorgans (20) pneumatisch beaufschlagbare Ventilplatte (23) angeordnet ist
- Entlüftungsventileinrichtung nach Anspruch 2, dadurch gekennzeichnet, dass die zweiten Mittel eine das Verschlussorgan (20) in Schliessrichtung vorspannende Feder umfassen.
- Entlüftungsventileinrichtung nach Anspruch 3 oder 4, dadurch gekennzeichnet, dass das Verschlussorgan (20) verschiebbar in einem Ventilkanal (3) im Ventilgehäuse (2) aufgenommen ist und dass die Kammer (13) den Ventilkanal (3) zumindest teilweise umschliesst.
- Entlüftungsventileinrichtung nach einem der Ansprüche 3, 4 oder 7, dadurch gekennzeichnet, dass ein Entlastungsventil (39) zur Reduzierung des in der hydraulisch beaufschlagbaren Kammer (13) vorherrschenden Überdrucks und zur Aufhebung der Reibschlussverbindung zwischen der Kammerwandung (14) und dem Verschlussorgan (20) innerhalb einer vorgegebenen Zeit vorgesehen ist.
- Entlüftungsventileinrichtung nach Anspruch 8, dadurch gekennzeichnet, dass zumindest ein Sensor (30) zur Detektierung des in den Entlüftungskanal (7) vordringenden Giessmaterials vorgesehen ist, welcher der direkten oder indirekten Ansteuerung des Entlastungsventils (39) dient.
- Entlüftungsventileinrichtung nach einer der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass das Verschlussorgan (20) einen Ventilschaft (21) mit einem endseitig daran angeordneten und als Verschlussteil wirkenden Ventilkopf (22) aufweist.
- Entlüftungsventileinrichtung nach Anspruch 10, dadurch gekennzeichnet, dass der in das Ventilgehäuse (2) eingelassene Ventilkanal (3) einen von einem Kreis abweichenden, vorzugsweise einen polygonalen Querschnitt, aufweist, und dass der Ventilschaft (21) des Verschlussorgans (20) mit der Form des Ventilkanals (3) korrespondiert während der Ventilkopf (22) rund ausgebildet ist
- Entlüftungsventileinrichtung nach Anspruch 10 oder 11, dadurch gekennzeichnet, dass das Ventilgehäuse (2) mit einem ersten und einem zweiten Entlüftungskanalabschnitt (7a, 7b) versehen ist, wobei zwischen dem ersten und zweiten Entlüftungskanalabschnitt (7a, 7b) ein Ventilsitz (9) angeordnet ist, welcher von dem Ventilkopf (22) verschliessbar ist.
- Entlüftungsventileinrichtung nach Anspruch 5, dadurch gekennzeichnet, dass die Ventilplatte (23) auf der dem Ventilkopf (22) gegenüberliegenden Seite am Ventilschaft (21) angeordnet ist, wobei die Ventilplatte (23) in Öffnungs- und in Schliessrichtung pneumatisch beaufschlagbar ist.
- Entlüftungsventileinrichtung nach Anspruch 13, dadurch gekennzeichnet, dass die Ventilplatte (23) mit einem als Anschlag dienenden Bund (25) sowie einem federelastisch auslenkbaren, die kinetische Energie des Verschlussorgans (20) bei der Schliessbewegung aufnehmenden Tellermittelteil (24) versehen ist.
- Entlüftungsventileinrichtung nach Anspruch 14, dadurch gekennzeichnet, dass die Ventilplatte (23) aus einem mit einer hohen Eigendämpfung versehenen Material, vorzugsweise aus einem Verbundfaserwerkstoff gefertigt ist,
- Entlüftungsventileinrichtung nach einem der Ansprüche 13 bis 15, dadurch gekennzeichnet, dass die Ventilplatte (23) lösbar mit dem Verschlussorgan (20) verbunden ist.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CH175001 | 2001-09-21 | ||
CH17502001 | 2001-09-21 |
Publications (2)
Publication Number | Publication Date |
---|---|
EP1295655A1 true EP1295655A1 (de) | 2003-03-26 |
EP1295655B1 EP1295655B1 (de) | 2006-10-25 |
Family
ID=4566128
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP02405667A Expired - Lifetime EP1295655B1 (de) | 2001-09-21 | 2002-07-31 | Entlüftungsventileinrichtung für Giessformen |
Country Status (18)
Country | Link |
---|---|
US (1) | US6823930B2 (de) |
EP (1) | EP1295655B1 (de) |
JP (1) | JP4256647B2 (de) |
KR (1) | KR20030025799A (de) |
CN (1) | CN1409036A (de) |
AT (1) | ATE343443T1 (de) |
BR (1) | BR0203816A (de) |
CA (1) | CA2398535A1 (de) |
DE (1) | DE50208528D1 (de) |
HU (1) | HUP0202569A2 (de) |
IL (1) | IL151266A (de) |
MX (1) | MXPA02009193A (de) |
NO (1) | NO20024535L (de) |
PL (1) | PL356118A1 (de) |
RU (1) | RU2002125441A (de) |
SG (1) | SG113433A1 (de) |
TW (1) | TW539818B (de) |
ZA (1) | ZA200206480B (de) |
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP1516687A1 (de) * | 2003-08-25 | 2005-03-23 | Fondarex S.A. | Vakuum Druck- oder Spritzgiessmaschine |
WO2007084087A2 (en) * | 2006-01-17 | 2007-07-26 | Continental Matador Rubber, S.R.O. | Venting valve for venting bore of a vulcanization mould for the manufacture of vehicle tires |
CH700743A1 (de) * | 2009-04-06 | 2010-10-15 | Fondarex Sa | Entlüftungseinrichtung für Giessvorrichtungen. |
EP2427678A1 (de) * | 2009-05-06 | 2012-03-14 | Dürr Systems GmbH | Fluidventil, insbesondere rückführventil für eine lackieranlage |
CN105465457A (zh) * | 2015-12-30 | 2016-04-06 | 广州市型腔模具制造有限公司 | 一种真空压铸系统 |
Families Citing this family (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
TWI296564B (en) * | 2005-07-29 | 2008-05-11 | Delta Electronics Inc | Gas exhausting and entering structure |
CH705077B1 (fr) * | 2011-06-09 | 2016-01-29 | V D S Vacuum Diecasting Service S A | Dispositif de vanne pour l'évacuation d'air d'un moule. |
US10579664B2 (en) * | 2013-09-06 | 2020-03-03 | Realnetworks, Inc. | Device-centric media prioritization systems and methods |
CH710347B1 (de) * | 2014-11-07 | 2018-05-31 | Fondarex Sa | Ventileinrichtung zum Entlüften von Druckgiessformen. |
JP6576862B2 (ja) * | 2016-03-16 | 2019-09-18 | 東芝メモリ株式会社 | トランスファ成型装置 |
CN106003613B (zh) * | 2016-07-01 | 2018-01-30 | 何宏雷 | 一种注塑机排气总成 |
DE102016221678B4 (de) * | 2016-11-04 | 2020-07-16 | Magna BDW technologies GmbH | Vorrichtung zur Herstellung von Druckgussteilen |
CN110099765A (zh) * | 2016-11-04 | 2019-08-06 | 玛格纳Bdw科技有限责任公司 | 用于制造压铸件的设备、控制装置和过滤模块以及为此的方法 |
JP7090186B2 (ja) * | 2020-03-20 | 2022-06-23 | ヘレウス メディカル ゲーエムベーハー | スペーサを製造するための装置及び方法 |
EP4234122A4 (de) * | 2020-10-20 | 2024-06-26 | Die Engineering Corporation | Ventilvorrichtung, form und druckgussvorrichtung |
JP2022149302A (ja) * | 2021-03-25 | 2022-10-06 | 本田技研工業株式会社 | 遮断弁用のキャップ部材、遮断弁用の弁体、遮断弁の製造方法、および遮断弁の弁体の交換方法 |
CN114368122B (zh) * | 2021-11-29 | 2023-10-20 | 深圳市星凯科技有限公司 | 一种注塑模具用检测器 |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0612573A2 (de) * | 1993-02-02 | 1994-08-31 | FONDAREX, F. HODLER & CIE. S.A. | Ventileinrichtung zum Entlüften von Druckgiessformen |
EP1018384A1 (de) * | 1999-01-06 | 2000-07-12 | Fondarex S.A. | Ventileinrichtung |
US6158495A (en) * | 1998-02-11 | 2000-12-12 | V.D.S. Vacuum Diecasting Service S.A. | Venting valve device for die casting |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
AU529914B2 (en) * | 1980-11-20 | 1983-06-23 | Ube Industries, Ltd. | Gas venting incorporated with a mould |
US5113984A (en) * | 1990-01-18 | 1992-05-19 | Chrysler Corporation | Torque converter control valve in a fluid system of an automatic transmission |
-
2002
- 2002-07-31 EP EP02405667A patent/EP1295655B1/de not_active Expired - Lifetime
- 2002-07-31 DE DE50208528T patent/DE50208528D1/de not_active Expired - Lifetime
- 2002-07-31 AT AT02405667T patent/ATE343443T1/de active
- 2002-08-05 HU HU0202569A patent/HUP0202569A2/hu unknown
- 2002-08-14 ZA ZA200206480A patent/ZA200206480B/xx unknown
- 2002-08-14 IL IL151266A patent/IL151266A/en not_active IP Right Cessation
- 2002-08-15 TW TW091118382A patent/TW539818B/zh not_active IP Right Cessation
- 2002-08-16 CA CA002398535A patent/CA2398535A1/en not_active Abandoned
- 2002-08-17 KR KR1020020048640A patent/KR20030025799A/ko not_active Application Discontinuation
- 2002-09-05 JP JP2002259583A patent/JP4256647B2/ja not_active Expired - Fee Related
- 2002-09-17 PL PL02356118A patent/PL356118A1/xx not_active IP Right Cessation
- 2002-09-18 BR BR0203816-1A patent/BR0203816A/pt not_active IP Right Cessation
- 2002-09-18 US US10/245,981 patent/US6823930B2/en not_active Expired - Fee Related
- 2002-09-19 SG SG200205666A patent/SG113433A1/en unknown
- 2002-09-20 NO NO20024535A patent/NO20024535L/no not_active Application Discontinuation
- 2002-09-20 RU RU2002125441/02A patent/RU2002125441A/ru not_active Application Discontinuation
- 2002-09-20 MX MXPA02009193A patent/MXPA02009193A/es unknown
- 2002-09-23 CN CN02143805A patent/CN1409036A/zh active Pending
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0612573A2 (de) * | 1993-02-02 | 1994-08-31 | FONDAREX, F. HODLER & CIE. S.A. | Ventileinrichtung zum Entlüften von Druckgiessformen |
US6158495A (en) * | 1998-02-11 | 2000-12-12 | V.D.S. Vacuum Diecasting Service S.A. | Venting valve device for die casting |
EP1018384A1 (de) * | 1999-01-06 | 2000-07-12 | Fondarex S.A. | Ventileinrichtung |
Cited By (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP1516687A1 (de) * | 2003-08-25 | 2005-03-23 | Fondarex S.A. | Vakuum Druck- oder Spritzgiessmaschine |
WO2007084087A2 (en) * | 2006-01-17 | 2007-07-26 | Continental Matador Rubber, S.R.O. | Venting valve for venting bore of a vulcanization mould for the manufacture of vehicle tires |
WO2007084087A3 (en) * | 2006-01-17 | 2007-09-13 | Matador As | Venting valve for venting bore of a vulcanization mould for the manufacture of vehicle tires |
CH700743A1 (de) * | 2009-04-06 | 2010-10-15 | Fondarex Sa | Entlüftungseinrichtung für Giessvorrichtungen. |
US8336600B2 (en) | 2009-04-06 | 2012-12-25 | Fondarex Sa | Casting device |
EP2427678A1 (de) * | 2009-05-06 | 2012-03-14 | Dürr Systems GmbH | Fluidventil, insbesondere rückführventil für eine lackieranlage |
US9782786B2 (en) | 2009-05-06 | 2017-10-10 | Durr Systems Gmbh | Fluid valve, in particular a return valve for a painting system |
US10302215B2 (en) | 2009-05-06 | 2019-05-28 | Dürr Systems GmbH | Fluid valve, in particular a return valve for a painting system |
EP2427678B1 (de) * | 2009-05-06 | 2024-03-20 | Dürr Systems AG | Fluidventil, insbesondere rückführventil für eine lackieranlage |
CN105465457A (zh) * | 2015-12-30 | 2016-04-06 | 广州市型腔模具制造有限公司 | 一种真空压铸系统 |
Also Published As
Publication number | Publication date |
---|---|
KR20030025799A (ko) | 2003-03-29 |
MXPA02009193A (es) | 2003-03-27 |
IL151266A (en) | 2010-12-30 |
US6823930B2 (en) | 2004-11-30 |
PL356118A1 (en) | 2003-03-24 |
IL151266A0 (en) | 2003-04-10 |
CA2398535A1 (en) | 2003-03-21 |
HU0202569D0 (de) | 2002-10-28 |
NO20024535D0 (no) | 2002-09-20 |
EP1295655B1 (de) | 2006-10-25 |
CN1409036A (zh) | 2003-04-09 |
JP4256647B2 (ja) | 2009-04-22 |
BR0203816A (pt) | 2003-06-03 |
US20030056931A1 (en) | 2003-03-27 |
ZA200206480B (en) | 2003-04-10 |
SG113433A1 (en) | 2005-08-29 |
TW539818B (en) | 2003-07-01 |
NO20024535L (no) | 2003-03-24 |
DE50208528D1 (de) | 2006-12-07 |
HUP0202569A2 (hu) | 2003-03-28 |
JP2003136191A (ja) | 2003-05-14 |
ATE343443T1 (de) | 2006-11-15 |
RU2002125441A (ru) | 2004-03-20 |
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