WO2007017187A1 - Spritzgiessvorrichtung mit nadelverschlussdüse und führungsbuchse - Google Patents
Spritzgiessvorrichtung mit nadelverschlussdüse und führungsbuchse Download PDFInfo
- Publication number
- WO2007017187A1 WO2007017187A1 PCT/EP2006/007713 EP2006007713W WO2007017187A1 WO 2007017187 A1 WO2007017187 A1 WO 2007017187A1 EP 2006007713 W EP2006007713 W EP 2006007713W WO 2007017187 A1 WO2007017187 A1 WO 2007017187A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- injection molding
- molding apparatus
- needle
- guide bush
- region
- Prior art date
Links
- 238000001746 injection moulding Methods 0.000 title claims abstract description 37
- 239000000463 material Substances 0.000 claims abstract description 40
- 230000009969 flowable effect Effects 0.000 claims abstract description 21
- 238000007789 sealing Methods 0.000 claims abstract description 19
- 238000004140 cleaning Methods 0.000 description 11
- 238000002347 injection Methods 0.000 description 9
- 239000007924 injection Substances 0.000 description 9
- 238000000034 method Methods 0.000 description 4
- 238000013461 design Methods 0.000 description 3
- 230000002349 favourable effect Effects 0.000 description 3
- 125000006850 spacer group Chemical group 0.000 description 3
- 238000010276 construction Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000000155 melt Substances 0.000 description 2
- 238000007639 printing Methods 0.000 description 2
- 241000251730 Chondrichthyes Species 0.000 description 1
- 240000000731 Fagus sylvatica Species 0.000 description 1
- 235000010099 Fagus sylvatica Nutrition 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 238000010304 firing Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000000314 lubricant Substances 0.000 description 1
- 230000001050 lubricating effect Effects 0.000 description 1
- 238000005461 lubrication Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 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
- B29C45/26—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
- B29C45/28—Closure devices therefor
- B29C45/2806—Closure devices therefor consisting of needle valve systems
-
- 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
- B29C45/2806—Closure devices therefor consisting of needle valve systems
- B29C2045/2889—Sealing guide bushings therefor
Definitions
- the invention relates to an injection molding apparatus with needle valve nozzles according to the preamble of claim 1.
- Needle valve nozzles are used in injection molding apparatus to supply a flowable mass to a separable mold insert at a prescribable temperature under high pressure. They usually have pneumatically or hydraulically driven shut-off needles that periodically open and close the gate openings in the mold insert. This allows for the most accurate material dosages, especially with rapid firing. However, the flowable mass can also be injected segmented, e.g. at the cascade.
- Each closure needle is axially displaceably mounted in the tool-side region of the injection molding device and preferably guided centrally in the nozzle-side region through a flow channel for the mass to be processed (see, for example, DE 32 49 486 C3 or DE 34 03 603 A1).
- the flow channel ends in a nozzle mouthpiece which forms a nozzle outlet opening at the end.
- the lower end of the locking needle engages in a sealing seat, which is formed in the nozzle mouthpiece or in the mold insert.
- a guide bushing or a sealing sleeve is used in the distributor plate of the injection molding, which receives the cylindrical shaft of the closure needle (see, for example, DE 39 26 357 A1 or EP 1 223 020 B1).
- a guide bushing or a sealing sleeve is used in the distributor plate of the injection molding, which receives the cylindrical shaft of the closure needle (see, for example, DE 39 26 357 A1 or EP 1 223 020 B1).
- the aim of the invention is to avoid these and other disadvantages of the prior art and to further improve the guidance and sealing of closure needles in an injection molding apparatus.
- the aim is in particular a seal assembly that is inexpensive and easy to handle with simple means.
- the invention provides that the guide bushing has at least one region comprising the shutter needle with little movement play and at least partially in the flow channel.
- the region has at least one contact surface for the flowable material, which likewise lies at least in sections in the flow channel.
- the material to be processed can therefore act directly on the contact surface and actuate the guide bush in this area as a check valve.
- the area and / or the contact surface is surrounded on all sides by flowable material.
- the latter can thereby act evenly on the guide bushing or on the contact surface, so that the region projecting into the flow region is pressed uniformly over the entire circumference of the closure needle.
- the needle is sealed on all sides and centered in its central position. This also contributes, if the area has a cylindrical inner circumference, which is aligned coaxially to the closure needle. This inner circumference thus forms not only a sealing surface between the needle and the guide bush, but also a centering element for the needle.
- the cylindrical inner circumference and the contact surface lie substantially axially at a height, i. the cylindrical inner circumference is also directly in the flow channel.
- the region projecting into the flow channel forms an end region of the guide bush, wherein the contact surface is formed by the outer circumference of the region.
- the outer periphery of the end region is preferably an inclined surface, preferably a conical surface. This not only improves the contact with the flowable material.
- the wall thickness of the end region which can always be reliably compressed radially, is reduced. It may be advantageous if the conical surface is concave or convex.
- the guide bush at an axial distance from the region projecting into the flow channel has at least one further region which has a cylindrical inner circumference aligned coaxially with the closure needle, the preferably superimposed end regions receiving the closure needle with the least possible movement play.
- a space formed between the end portions, the inner diameter of which is slightly larger than the outer diameter of the shutter needle, provides lubrication of the guide sleeve slidably guided in the guide needle through the material to be processed, which reduces the frictional forces in the guide bushing.
- the end regions and the free space preferably form a central through-bore.
- the guide bushing is arranged in the distributor plate.
- the guide bush can also be arranged alternatively or additionally in the needle valve nozzle.
- the guide bush is preferably located in a recess in the distributor plate and / or in the needle valve nozzle, wherein the guide bush is fixable in the recess.
- the guide bush is sealed within the recess over at least one surface perpendicular to the longitudinal axis, wherein the surface preferably forms the bottom of the recess.
- a flange which sits centrally in the recess.
- a Neck portion formed, which carries or forms the ends projecting into the flow channel area.
- the end portion is extremely uniformly radially compressed during each injection process.
- the inner circumference of the end portion defines like a valve positively about the outer periphery of the locking needle, so that no more material from the Strornungskanai penetrate into the socket 30 and thus can escape to the outside.
- the flange and the neck portion are preferably in one piece. But you can also train them separately and from different materials.
- Fig. 1 is a partial schematic representation of an injection molding apparatus with a sealing arrangement for a closure needle, partially in section, and
- FIG. 2 is a separate sectional view of the seal assembly of FIG. 1.
- FIG. 2 is a separate sectional view of the seal assembly of FIG. 1.
- the generally designated 1 in Fig. 1 injection molding apparatus is used for the production of moldings from a flowable material, such as a plastic melt. It has a clamping plate 2 and parallel to a distributor plate 3, in which a system of flow channels 4 is formed. These each open in a (not shown) needle valve nozzle, which is mounted on the underside 5 of the distributor plate 3.
- Each needle valve nozzle has a (also not shown) preferably externally heated nozzle body, in which concentric to the longitudinal axis L, a material tube for the continuation of the flow channel 4 is formed.
- the latter ends in a nozzle orifice, which forms at the end a nozzle outlet opening, through which the material to be processed is fed through a gate opening to a separable (also not shown) mold insert.
- a closure needle 20 is provided, which seals the flow channel in the needle valve.
- shut-off nozzle and a portion of the flow channel 4 in the distributor plate 3 longitudinally interspersed and by a (not shown) mechanical, electric, pneumatic or hydraulic drive in a closed and open position can be brought.
- the closure needle 20 engages sealingly into the gate opening with a closure part (not shown) at the end side through the nozzle outlet opening.
- the Verschiußnadei 20 through the distributor plate 3 and the platen 2 through connected to the drive, wherein the needle 20 ends end carries an adapter 22 which is provided with an angularly rectangular in cross-section end portion 23.
- This serves to attach a (not shown) tool to mount the needle 20 and adjust in length can.
- a (not shown) lock nut By means of a (not shown) lock nut, the needle 20 can fix rotationally fixed.
- a through hole 6 is introduced in the clamping plate 2, whose inner diameter is greater than the outer diameter of the locking needle 20th
- a cleaning device 10 for the locking needle 20 is further formed.
- This has a housing 11 with a substantially cylindrical wall and an end formed, radially inwardly recessed flange rim 13.
- This carries axially a plurality of disc-shaped cleaning elements 40, which are held at the edges by annular spacers 14 at regular intervals.
- a locking ring 15 which is preferably screwed axially into the housing 1 1 is used.
- Each cleaning element 40 is provided centrally with an opening (not shown) for passing the sealing needle 20.
- the inner diameter of the opening is chosen so that the edge formed by the opening with the outer periphery 24 of the locking needle 20 is form and frictionally in contact.
- adhering material residues, for example, from the guide bush 30 are thereby always reliably detected by the shape-matched edges of the cleaning elements 40 and removed from the needle 20, that is, by the cleaning device 10 and by the cleaning Elements 40 guided Verschlußnadel 20 is kept clean during operation of the injection molding device 1 at each reciprocation.
- a guide bush 30 with a central through hole 31 whose inner diameter corresponds to the outer diameter of the closure needle 20 in end regions 32, 33 of the beech 30 to a small movement play.
- the latter thus finds within the socket 30 a central guide and support.
- a cylindrical free space 34 is formed axially, whose inner diameter is slightly larger than the outer diameter of the closure needle 20. He takes during operation of the injection targeted a small amount of flowable material from the flow channel 4, which to seal the sealing needle 20 against the flow channel 4 and the tool environment leads. At the same time, the flowable mass within the clearance 34 acts as a lubricant, so that the friction between the locking needle 20 and the guide bushing 30 is reduced. The latter is - as well as the through hole 6 in the platen 2 - coaxial with the locking needle 20 and to its longitudinal axis L.
- the guide bush 30 has a widened flange 35, which sits centrally in a recess 36 in the distributor plate 3. Above the flange 35, the bushing 30 (in the direction of the platen 2) has a smaller main body 38, which forms the (upper) guide region 32 at the end. This encloses the locking needle 20 with its cylindrical inner circumference 42 except for a slight movement play. At the same time he limits the cylindrical space 34 upwards so that the material therein can not escape to the outside.
- the main part 38 is coaxially enclosed by a screw bush 37.
- This has an external thread 47, which engages in a corresponding internal thread 56 of the recess 36.
- the screw bushing 37 is fixed in the tool.
- the bottom 41 of the recess 36 and the (unspecified) underside of the flange 35 lie positively against one another, so that the guide bushing 30 is not only fixed in the distributor plate 3, but at the same time is sealed over a surface perpendicular to the longitudinal axis L.
- the bushing 30 (in the direction of needle valve nozzle) has a neck portion 39, the outer diameter of which is also smaller than the outer diameter of the flange 35.
- the lower end of the neck portion 39 forms the (lower) guide region 33, which has its cylindrical inner circumference 43 the closure needle 20 encloses up to a small movement play and the cylindrical space 34 is limited accordingly downwards.
- the wall thickness W of the end or guide region 33 is preferably smaller than the wall thickness U of the shark section 39.
- the outer circumference 44 of the region 33 forms an inclined surface 44, preferably at the level of the inner circumference 43 a conical surface, so that the wall thickness W to the needle valve nozzle even further decreases.
- a through bore 46 is introduced between the recess 36 and the flow channel 4, whose inner diameter substantially corresponds to the outer diameter of the neck portion 39. This extends as far as the flow channel 4, wherein the end region 33 with its locking needle 20 enclosing inner circumference 43 and its conical surface 44 projects radially and concentrically to the longitudinal axis L in the flow channel 4 inside.
- the guide portion 33 for the locking needle 20 is thus completely in the mass flow wherein the inclined or conical surface 44 forms a contact surface for the material, which - as well as the locking needle 20 - is lapped in the flow channel 4 on all sides of the material to be processed.
- the operation of the needle seal or the guide bushing 30 is based essentially on the elastically deformable wall of the flow channel 4 lying end portion 33. If the locking needle 20 is opened, it slides first within the guide bush 30 unhindered from the closed position to the open position, the end portions 32nd , 33 slide along the outer circumference 24 of the needle 20 with little play. If this has reached its end or open position, the injection pressure is built up, that is, the melt to be processed is pressed at high pressure through the melt channel 4 into the mold cavity. The flowable mass flows around the closure needle 20 and the contact surface 44 of the end portion 33 uniformly from all sides, wherein the end portion 33 is radially compressed due to its relatively low wall thickness.
- the cylindrical inner circumference 43 lays like a closing or valve member positively and sealingly against the outer periphery 24 of the closure needle 20, so that no material from the flow channel 4 in the free space 34 of the guide bush 30 during the injection process can penetrate.
- the sealing of the closure needle 20 is thus significantly improved over conventional constructions, because at the time of high pressure load in the flow channel 4 no material can penetrate through the guide bush 30 through out of the tool to the outside.
- the needle 20 is fixed concentrically to the longitudinal axis L in position. It can no longer be deflected by the flowing material from its central position, which has a favorable effect on the flow conditions in the flow channel 4.
- the pressure in the flow channel 4 is reduced again. Due to its elasticity, the end region 33 returns to its original shape and the inner circumference 43 of the end region 33 separates from the outer circumference 24 of the closure needle 20. This can be moved unhindered into the closed position.
- the wall thickness W of the preferably made of a steel material end portion 33 is selected so that it is deformable in the elastic range of the material and that while the slight movement between the locking needle 20 and the inner circumference 43 is overcome by the material pressure, so that during the high pressure phase in the tool, the needle 20 is locked in the middle and no material can escape to the outside. Nevertheless, the needle 20 is precisely guided between the individual printing cycles within the spaced-apart end regions 32, 33.
- the guide bush 30 need not necessarily be arranged in the distributor plate 3. Rather, it can also be mounted in the needle valve nozzle, for example in the nozzle body, which is mounted on the underside 5 of the distributor plate 3.
- the latter has for this purpose a simple through hole for smooth implementation of the locking needle 20 to the drive, while the nozzle head is provided at the end with the recess 36 for receiving the guide bushing 30 and the threaded bush 37.
- the neck portion 39 of the sleeve 30 projects axially into the Materiairohr, while the flow channel 4 opens immediately below the side of the material pipe.
- the end region 33 which is preferably reduced with respect to the neck section 39 in the outer diameter, lies axially in the flow region.
- Whose justifyfikiee 44 is - as well as the sealing needle 20 - flows around on all sides of the material to be processed, so that the resulting pressure in the flow channel 4 compressively acting as a kind of check valve end portion 33 and sealingly against the outer periphery 24 of the locking needle 20th can squeeze.
- the flow channel 4 is thereby completely sealed during the injection process to the outside.
- the needle 20 is fixed in its central position.
- the wall thickness W of the end or guide region 33 does not necessarily have to be smaller than the wall thickness U of the neck portion 39. Both may also have approximately the same wall thickness. It is only important that the flowing around the flowable material end portion 33 during the high pressure phase can elastically deform so far that the inner circumference 43 sealingly around the discourseurnfang 24 of the Verschieuß- needle 20 sets.
- the optionally formed at the end of the end portion 33 contact surface 44 may also be concave or convex, which can also be easily and precisely finished.
- the surface course has a favorable effect on the pressure distribution.
- a flange ring (not shown), which is fixed by means of screws to the distributor plate 3 or to the needle valve nozzle. It is important that the guide bush 30 is sealed within the recess 36 via at least one surface 41 perpendicular to the longitudinal axis L.
- the flange 35, the main part 38 and the neck portion 39 are preferably in one piece. But one can also form the main part 38 and / or the neck portion 39 separately and connect, for example by means of a screw connection with the flange 35. This would make the neck portion 39 with the end portion 33 and the remaining parts of the guide bush 30 made of different materials. Or you can replace the neck portion 39 in the processing of abrasive media at any time when needed for a new element without having to replace the entire guide bushing 30.
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)
- Infusion, Injection, And Reservoir Apparatuses (AREA)
Abstract
Description
Claims
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2008525440A JP2009504433A (ja) | 2005-08-10 | 2006-08-04 | ニードル弁ノズルと案内ブッシュを備えた射出成形装置 |
BRPI0616555-9A BRPI0616555A2 (pt) | 2005-08-10 | 2006-08-04 | dispositivo de modelagem por injeção com bocal de fecho de agulhas e bucha-guia |
CA 2619440 CA2619440A1 (en) | 2005-08-10 | 2006-08-04 | Injection molding device with needle shutoff nozzle and guide bush |
EP06762979A EP1922202A1 (de) | 2005-08-10 | 2006-08-04 | Spritzgiessvorrichtung mit nadelverschlussdüse und führungsbuchse |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE202005012705.1 | 2005-08-10 | ||
DE202005012705U DE202005012705U1 (de) | 2005-08-10 | 2005-08-10 | Spritzgießvorrichtung |
Related Child Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US12/386,569 Continuation-In-Part US20090239194A1 (en) | 2006-10-17 | 2009-04-20 | Pliers for use in orthodontics and dentistry |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2007017187A1 true WO2007017187A1 (de) | 2007-02-15 |
Family
ID=35267892
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/EP2006/007713 WO2007017187A1 (de) | 2005-08-10 | 2006-08-04 | Spritzgiessvorrichtung mit nadelverschlussdüse und führungsbuchse |
Country Status (9)
Country | Link |
---|---|
EP (1) | EP1922202A1 (de) |
JP (1) | JP2009504433A (de) |
KR (1) | KR20080041642A (de) |
CN (1) | CN101237980A (de) |
BR (1) | BRPI0616555A2 (de) |
CA (1) | CA2619440A1 (de) |
DE (1) | DE202005012705U1 (de) |
TW (1) | TW200722264A (de) |
WO (1) | WO2007017187A1 (de) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2019197238A1 (de) | 2018-04-12 | 2019-10-17 | Ewikon Heisskanalsysteme Gmbh | Heisskanalvorrichtung |
Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE202005012705U1 (de) * | 2005-08-10 | 2005-10-27 | Günther Heißkanaltechnik GmbH | Spritzgießvorrichtung |
US20070119504A1 (en) * | 2005-11-28 | 2007-05-31 | Yudo Co. Ltd. | Heat dissipating apparatus for cylinders of injection molding machines |
DE202006003244U1 (de) * | 2006-02-27 | 2007-07-05 | Günther Heisskanaltechnik Gmbh | Spritzgießvorrichtung |
DE202006008744U1 (de) * | 2006-05-31 | 2007-10-11 | Günther Heisskanaltechnik Gmbh | Spritzgießvorrichtung |
DE202006017380U1 (de) * | 2006-11-13 | 2008-03-27 | Günther Heisskanaltechnik Gmbh | Führungsbuchse für eine Spritzgießvorrichtung |
DE202006018031U1 (de) * | 2006-11-24 | 2008-04-03 | Günther Heisskanaltechnik Gmbh | Anordnung zum Verschließen von Kanalabschnitten in einem Heiß- oder Kaltkanalverteiler |
DE202009004786U1 (de) * | 2009-05-06 | 2010-09-23 | EWIKON Heißkanalsysteme GmbH & Co. KG | Heißkanaldüse zur Seitenanspritzung |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6558605B1 (en) * | 1998-08-11 | 2003-05-06 | Magna International Of America, Inc. | Method of molding large thin parts from reinforced plastic material |
US20030170340A1 (en) * | 2002-02-21 | 2003-09-11 | Rob Sicilia | Valve pin guide for a valve-gated nozzle |
DE202005012705U1 (de) * | 2005-08-10 | 2005-10-27 | Günther Heißkanaltechnik GmbH | Spritzgießvorrichtung |
-
2005
- 2005-08-10 DE DE202005012705U patent/DE202005012705U1/de not_active Expired - Lifetime
-
2006
- 2006-08-04 WO PCT/EP2006/007713 patent/WO2007017187A1/de active Application Filing
- 2006-08-04 JP JP2008525440A patent/JP2009504433A/ja not_active Withdrawn
- 2006-08-04 CA CA 2619440 patent/CA2619440A1/en not_active Abandoned
- 2006-08-04 EP EP06762979A patent/EP1922202A1/de not_active Withdrawn
- 2006-08-04 KR KR1020087003095A patent/KR20080041642A/ko not_active Application Discontinuation
- 2006-08-04 BR BRPI0616555-9A patent/BRPI0616555A2/pt not_active IP Right Cessation
- 2006-08-04 CN CNA2006800291829A patent/CN101237980A/zh active Pending
- 2006-08-07 TW TW095128804A patent/TW200722264A/zh unknown
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6558605B1 (en) * | 1998-08-11 | 2003-05-06 | Magna International Of America, Inc. | Method of molding large thin parts from reinforced plastic material |
US20030170340A1 (en) * | 2002-02-21 | 2003-09-11 | Rob Sicilia | Valve pin guide for a valve-gated nozzle |
DE202005012705U1 (de) * | 2005-08-10 | 2005-10-27 | Günther Heißkanaltechnik GmbH | Spritzgießvorrichtung |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2019197238A1 (de) | 2018-04-12 | 2019-10-17 | Ewikon Heisskanalsysteme Gmbh | Heisskanalvorrichtung |
DE102018108659A1 (de) | 2018-04-12 | 2019-10-17 | EWIKON Heißkanalsysteme GmbH | Heißkanalvorrichtung |
US11389998B2 (en) | 2018-04-12 | 2022-07-19 | Ewikon Heisskanalsysteme Gmbh | Hot channel device |
Also Published As
Publication number | Publication date |
---|---|
DE202005012705U1 (de) | 2005-10-27 |
EP1922202A1 (de) | 2008-05-21 |
CN101237980A (zh) | 2008-08-06 |
CA2619440A1 (en) | 2007-02-15 |
JP2009504433A (ja) | 2009-02-05 |
TW200722264A (en) | 2007-06-16 |
KR20080041642A (ko) | 2008-05-13 |
BRPI0616555A2 (pt) | 2011-06-21 |
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