WO2011065143A1 - 射出装置及び樹脂の射出方法 - Google Patents

射出装置及び樹脂の射出方法 Download PDF

Info

Publication number
WO2011065143A1
WO2011065143A1 PCT/JP2010/068085 JP2010068085W WO2011065143A1 WO 2011065143 A1 WO2011065143 A1 WO 2011065143A1 JP 2010068085 W JP2010068085 W JP 2010068085W WO 2011065143 A1 WO2011065143 A1 WO 2011065143A1
Authority
WO
WIPO (PCT)
Prior art keywords
resin
path
pressure
holding
injection
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.)
Ceased
Application number
PCT/JP2010/068085
Other languages
English (en)
French (fr)
Japanese (ja)
Inventor
浩 堀篭
康裕 日高
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Nissei ASB Machine Co Ltd
Original Assignee
Nissei ASB Machine Co Ltd
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 Nissei ASB Machine Co Ltd filed Critical Nissei ASB Machine Co Ltd
Priority to CN201080053530.2A priority Critical patent/CN102666065B/zh
Priority to EP10832990.5A priority patent/EP2505334B1/en
Publication of WO2011065143A1 publication Critical patent/WO2011065143A1/ja
Priority to US13/467,446 priority patent/US20120217679A1/en
Anticipated expiration legal-status Critical
Priority to US15/134,591 priority patent/US10213947B2/en
Ceased legal-status Critical Current

Links

Images

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
    • B29C45/46—Means for plasticising or homogenising the moulding material or forcing it into the mould
    • B29C45/57—Exerting after-pressure on the moulding material
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
    • B29B11/00—Making preforms
    • B29B11/06—Making preforms by moulding the material
    • B29B11/08—Injection moulding
    • 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
    • B29C45/46—Means for plasticising or homogenising the moulding material or forcing it into the mould
    • B29C45/47—Means for plasticising or homogenising the moulding material or forcing it into the mould using screws
    • B29C45/50—Axially movable screw
    • 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
    • B29C45/46—Means for plasticising or homogenising the moulding material or forcing it into the mould
    • B29C45/53—Means for plasticising or homogenising the moulding material or forcing it into the mould using injection ram or piston
    • B29C45/54—Means for plasticising or homogenising the moulding material or forcing it into the mould using injection ram or piston and plasticising screw
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
    • B29K2067/00—Use of polyesters or derivatives thereof, as moulding material
    • B29K2067/003—PET, i.e. poylethylene terephthalate
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
    • B29K2105/00—Condition, form or state of moulded material or of the material to be shaped
    • B29K2105/25—Solid
    • B29K2105/253—Preform
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
    • B29L2031/00—Other particular articles
    • B29L2031/712—Containers; Packaging elements or accessories, Packages
    • B29L2031/7158—Bottles

Definitions

  • the present invention relates to an injection apparatus provided with means for holding resin in a resin path of an injection nozzle.
  • the present invention also relates to a resin injection method for injecting a resin in a state where the resin is held in a resin path of an injection nozzle.
  • PET bottles are often used as bottles of drinking water.
  • a PET bottle is formed into a bottle shape by forming a test tubular preform using an injection molding apparatus (injection apparatus) and blow-molding the preform.
  • injection apparatus injection molding apparatus
  • an in-line screw type injection device As an injection device for forming a preform, an in-line screw type injection device is known (for example, see Patent Document 1).
  • the metering process for supplying new resin material into the injection cylinder, the injection process for extruding and filling the resin material into the mold, and maintaining the pressure of the resin material in the resin path The pressure holding step is repeatedly performed.
  • the injection process and the holding process are completed, and during the injection process of the next cycle, the molded product is cooled, the mold is opened, the molded product is taken out, and the mold is clamped, and the measuring process is performed in the meantime.
  • the resin path is closed by a dedicated plunger or the like to maintain the pressure of the resin material, while the injection screw is moved backward to inject a new resin material. Supplying into the cylinder.
  • the resin path is pressurized by the pressure holding mechanism. Therefore, in the pressure holding process of the resin material, the resin is filled in the resin filling portion of the pressure holding mechanism. Is flowing in (the pressure holding mechanism and the resin are in contact). If the resin flowing into the pressure-holding mechanism (filling site) remains, various problems such as burning are induced. Therefore, it is necessary to discharge the resin flowing into the holding mechanism to the resin path to eliminate the stay.
  • the present invention has been made in view of the above situation, and an object thereof is to provide an injection apparatus and a resin injection method capable of reliably eliminating resin stagnation even when an inexpensive pressure holding mechanism is used. To do.
  • an injection apparatus is an injection device which is attached to the tip of an injection cylinder and in which resin charged in the injection cylinder is injected through a resin path by an injection screw.
  • a nozzle, a blocking means attached to the injection nozzle and capable of blocking the resin path, and the injection nozzle closer to the injection tip than the blocking means are formed and communicated with the resin path to allow the resin to flow freely.
  • the resin passage is released and the resin is held in the resin passage and the pressure holding passage by pressurizing the injection screw, and then the resin passage is shut off by the interruption means and the resin is held by the holding means. Injected while holding the pressure to hold all the resin in the pressure holding path and discharge the resin inside the pressure holding path to the resin path in a state where the resin in the pressure holding path and the pressure holding path are released and the blocking of the resin path by the blocking means is released. In a state in which the cylinder can be charged with the resin, the resin can be held also on the injection screw side with respect to the blocking means to eliminate the resin residue. For this reason, it is possible to reliably eliminate the retention of the resin with respect to the pressure holding mechanism without using a large-scale mechanism.
  • the injection device according to the first aspect, wherein the holding means is provided with a pressing force so that the tip portion protrudes into the resin path.
  • the tip portion of the holding means is protruded into the resin path, whereby all of the resin inside the pressure holding path is discharged to the resin path.
  • the tip portion of the holding means protrudes into the resin path, all of the resin inside the pressure holding path is discharged to the resin path, so that it is securely held with an extremely simple structure.
  • the resin of the path can be discharged to the resin path.
  • the injection apparatus according to the first or second aspect, wherein the resin path is provided by the blocking means when holding the resin path of the injection nozzle.
  • the resin passage and the pressure holding passage are continuously held, and then the pressing means is applied to the holding means in the state where the resin passage is cut off to block the resin inflow passage on the mold side.
  • the pressing force of the holding means is once released, and thereafter, the blocking of the resin path is released, the pressing force is again applied to the holding means, and all of the resin in the pressure holding path is discharged to the resin path. It is characterized by making it.
  • the resin inflow path on the mold side is blocked and the pressing force of the holding means is once released (depressurized), and then the blocking of the resin path is released to push the holding means. Since the pressure is again applied and all of the resin in the pressure retaining path is discharged to the resin path, the molten resin can be maintained in an optimum state including when the molded product is removed from the mold.
  • An injection device is the injection device according to any one of the first to third aspects, wherein the resin passage and the pressure retaining passage are resinized by pressurization of the injection screw.
  • the injection screw is rotated in the reverse direction to charge the resin inside the injection cylinder.
  • the resin can be charged inside the injection cylinder by blocking the resin path by the blocking means and rotating the injection screw in the reverse direction.
  • the resin injection method of the present invention injects the resin from the injection nozzle through the resin passage, and flows the resin into the pressure holding passage communicating with the resin passage.
  • the resin is held in the resin path and the pressure holding path by pressurizing the resin in the resin path, and then the resin path is shut off.
  • Pressurizing the pressure holding path performs pressure holding of the resin path and the holding path, and further releases the blocking of the resin path and presses all of the resin held in the pressure holding path to the resin path. It is characterized by discharging.
  • the resin can be discharged also to the injection screw side from the blocking portion, and all of the resin can be held in the resin path to eliminate the resin remaining in the pressure holding path. For this reason, it is possible to reliably prevent the resin from staying in the pressure holding mechanism.
  • the resin injection method of the present invention according to claim 6 is the resin injection method according to claim 5, wherein the resin passage is blocked by the blocking means and the pressure retaining path is pressurized. And holding the resin in the pressure holding path, blocking the resin inflow path on the mold side, and once releasing the pressurization of the pressure holding path, and then releasing the blocking of the resin path to release the pressure holding path. The pressure path is pressurized again, and all of the resin in the holding path is discharged to the resin path.
  • the molten resin can be maintained in an optimum state including the time when the molded product is removed from the mold.
  • the configuration of an injection apparatus according to an embodiment of the present invention will be described with reference to FIGS.
  • the illustrated injection apparatus is assumed to be applied to, for example, an injection apparatus for forming a test tubular preform in the process of producing a resin beverage bottle.
  • the injection molded product applied in the present invention is not limited to a preform, but can be used as an injection device for obtaining various molded products.
  • FIG. 1 and 2 show a cross-sectional state of a tip portion (a portion of an injection nozzle) of an injection apparatus according to an embodiment of the present invention.
  • FIG. 1 shows a state in which resin is injected
  • FIG. I s a state in which the resin path is closed to hold the resin
  • FIG. 2B is a state in which the resin path is opened to hold the resin.
  • a hopper for supplying a molding material, a driving device for rotating the injection screw, and the like are provided on the rear side of the injection nozzle.
  • an injection screw 2 is supported inside the injection cylinder 1, and an injection nozzle 3 is attached to the tip of the injection cylinder 1.
  • a hopper for supplying a molding material is connected to the injection cylinder 1, and the molding material is supplied into the injection cylinder 1.
  • the screw head 4 is provided at the tip of the injection screw 2, and the resin melted by heating inside the injection cylinder 1 is depopulated when the injection screw 2 is driven to rotate. Then, the injection screw 2 moves backward while charging the molten resin in front of the screw head 4. After the charging of the molten resin is completed, the injection screw 2 moves forward by driving the injection cylinder 5 and the molten resin is injected.
  • a resin path 6 is formed inside the injection cylinder 1, and an injection nozzle 3 is connected to the tip of the resin path 6.
  • the injection nozzle 3 is connected to a mold through a hot runner (not shown).
  • a shut-off device 8 as a shut-off means is connected to the injection nozzle 3 in an integrated state, and the resin path 6 can be shut off by the shut-off device 8.
  • a pressure holding path 9 communicating with the resin path 6 is formed in the injection nozzle 3 on the injection tip side (left side in the drawing) with respect to the blocking device 8.
  • the pressure retaining path 9 is formed to be inclined obliquely rearward (right side in the drawing) with respect to the resin path 6, and the resin filled in the pressure retaining path 9 and the resin path 6 is retained by the pressure retaining apparatus 10.
  • the shut-off device 8 is provided with a shut-off cylinder 11 integrated with the injection cylinder 1, and the shut-off cylinder 11 supports a piston shaft portion 13 of the shut-off plunger 12 so as to be reciprocally movable.
  • a cutoff drive cylinder 14 is connected to the cutoff cylinder 11, and a cutoff piston 15 is supported on the cutoff drive cylinder 14 so as to be reciprocally driven. While the pressure oil is supplied to the cutoff drive cylinder 14 and the pressure oil is discharged from the cutoff drive cylinder 14, the cutoff piston 15 is reciprocated.
  • the shut-off piston 15 of the shut-off drive cylinder 14 is connected to the piston shaft portion 13 of the shut-off plunger 12, and the shut-off plunger 12 is reciprocated (advanced and retracted) via the shut-off piston 15 and the piston shaft portion 13 by driving the shut-off drive cylinder 14. ) As shown in FIG. 2, when the blocking plunger 12 moves forward (close operation), the resin path 6 on the front side of the screw head 4 is blocked (closed).
  • the pressure holding device 10 is provided with a pressure holding cylinder 21 provided integrally with the injection cylinder 1, and a piston shaft portion 23 of a pressure holding plunger 22 is supported on the pressure holding cylinder 21 so as to be reciprocally movable.
  • the pressure holding plunger 22 is arranged so as to be reciprocally movable (movable forward and backward) in the pressure holding path 9, and the distal end portion of the pressure holding plunger 22 when being located at the forward end is arranged in a state of protruding into the resin path 6.
  • the A pressure-holding drive cylinder 24 is connected to the pressure-holding cylinder 21, and a pressure-holding piston 25 is supported on the pressure-holding drive cylinder 24 so as to be reciprocally driven.
  • the holding pressure piston 25 of the holding pressure driving cylinder 24 is connected to the piston shaft portion 23 of the holding pressure plunger 22, and the holding pressure plunger 22 is driven via the holding pressure piston 25 and the piston shaft portion 23 by driving the holding pressure driving cylinder 24.
  • a pressing force is applied to. As shown in FIG. 2, when a pressing force is applied until the pressure retaining plunger 22 moves to the forward end, the distal end portion of the pressure retaining plunger 22 is projected into the resin path 6. Further, when the pressing force by the pressure retaining piston 25 is released, the pressure retaining plunger 22 is pushed by the resin from the resin path 6 to move backward, and the pressure retaining path 9 is charged with resin.
  • the mold device at the tip portion of the injection nozzle 3 is provided with a blocking member 31.
  • the shut-off member 31 is opened and closed in conjunction with a resin pressure holding operation, which will be described later, at the end of injection, and the relationship between the resin filled on the mold side and the resin pressure-held on the injection nozzle 3 side is cut off.
  • the injection screw 2 is pressurized by driving the injection cylinder 5 with the shut-off plunger 12 open, and the pressure-holding plunger
  • the resin 22 is moved backward by the pressure of the resin so that the resin flows into the pressure holding path 9 and the resin in the resin path 6 is pressurized to perform the primary pressure holding.
  • the blocking plunger 12 is closed to pressurize the pressure holding plunger 22, and the resin in the resin path 6 and the pressure holding path 9 is pressurized to perform secondary holding.
  • the blocking plunger 12 is opened and the pressure holding plunger 22 is advanced until the tip protrudes into the resin path 6, so that it is closer to the injection screw 2 than the blocking plunger 12. Resin for the pressure holding path 9 is discharged to the resin path 6.
  • the pressure holding cylinder 21, the pressure holding cylinder 21, and the pressure holding pressure are set so that the resin pressure at the time of injection set by the injection cylinder 5 is the same as the pressure set by the pressure holding drive cylinder 24 when the pressure holding mechanism is operated.
  • the cylinder diameter of the pressure drive cylinder 24 and the diameters (shapes) of the piston shaft portion 23 and the pressure retaining piston 25 are set as appropriate. It is also possible to internally calculate from the screw diameter of the injection screw 2 of the injection cylinder 1 and adjust the pressure of the pressure holding drive cylinder 24 of the pressure holding device 10 to be the same set pressure as the injection cylinder 1.
  • the pressure retaining path 9 is formed to be inclined obliquely rearward (right side in the figure) with respect to the resin path 6, and the pressure retaining plunger 22 is disposed with respect to the inclined pressure retaining path 9.
  • the pressure cylinder 21 and the pressure-holding drive cylinder 24 are arranged so as to be inclined with respect to the orthogonal direction of the injection cylinder 1. For this reason, the pressure holding cylinder 21 and the pressure holding drive cylinder 24 are less likely to interfere with peripheral covers and the like, and the apparatus is not increased in size.
  • the pressure holding cylinder 21 and the pressure holding drive are limited in a limited space.
  • An injection device equipped with a cylinder 24 can be installed. Thereby, for example, it has a structure that can be easily applied as an injection device for forming a test tubular preform in the process of producing a resin beverage bottle.
  • FIG. 3 (a) to 3 (f) show a concept for explaining the operation process of the injection device
  • FIG. 4 shows a time chart of the operation status of each component device according to the operation process.
  • the pressure holding plunger 22 is brought into a free state in a state where the pressing force by the pressure holding drive cylinder 24 is released, and the cutoff plunger 12 is driven by driving the cutoff drive cylinder 14. Is in the retracted state (opened state). In this state, the injection screw 2 is pressurized by driving the injection cylinder 5 (see FIGS. 1 and 2).
  • the injection cylinder 5 is in an injectable state (a), and the resin to the preform mold (mold)
  • the pressure holding drive cylinder 24 is freed and the resin is charged into the pressure holding path 9 (b), the blocking plunger 12 is opened (c), and the blocking member 31 of the mold apparatus is opened.
  • the injection screw 2 is located at the retreat end (e), and the pressure holding plunger 22 is located at the advance end (f).
  • the injection screw 2 is pressurized by the driving of the injection cylinder 5 and moves forward, the resin in the resin path 6 flows into the pressure holding path 9 and the pressure holding plunger 22 is pushed back. (charge). At the same time, resin begins to fill the mold.
  • the resin in the resin path 6 flows into the pressure holding path 9, the pressure holding plunger 22 is further pushed back (charge), the resin is filled in the mold, and the injection is completed.
  • the driving position (pressurized state) of the injection cylinder 5 is held for a predetermined time, and the pressure of the resin in the resin path 6 and the pressure retaining path 9 is increased by pressurization of the injection screw 2. It is held (holding pressure: primary holding pressure).
  • the injection screw 2 is pressurized by driving the injection cylinder 5 in a state where the blocking of the resin path 6 by the blocking plunger 12 is released, and the resin path 6 and the pressure holding The resin in the passage 9 is pressure-held.
  • the resin flows into the pressure holding path 9 and the pressure is maintained while maintaining the pressure of the injection screw 2.
  • the negative pressure is suppressed and the generation of bubbles, silver, and the like can be suppressed.
  • the shut-off plunger 12 is moved forward (closed) by driving the shut-off drive cylinder 14, and a pressure is applied by the pressure-holding drive cylinder 24 to pressurize the pressure-holding plunger 22. .
  • the pressure of the resin passage 6 and the pressure holding passage 9 is held by the pressing force of the pressure holding plunger 22 (holding pressure: secondary holding pressure).
  • holding pressure secondary holding pressure
  • the injection cylinder 5 is decompressed and the injection screw 2 is moved.
  • charging (metering) of the resin for the next injection is started immediately.
  • the blocking member 31 on the mold side is closed to block the passage, the pressing force of the holding pressure driving cylinder 24 is reduced, and the pressing force of the holding pressure plunger 22 is once released.
  • the blocking plunger 12 is moved backward by driving the blocking drive cylinder 14 to release the blocking of the resin path 6 (opening the resin path 6), and is pressed by the pressure-holding driving cylinder 24.
  • the pressure holding plunger 22 is advanced until pressure is applied again until the tip projects into the resin path 6, and all the resin inside the pressure holding path 9 is discharged to the resin path 6.
  • the resin path 6 is closed by the blocking plunger 12 and the pressure holding plunger 22 continues to hold the resin path 6 and the pressure holding path 9, and then the mold side blocking member 31 is closed to hold the pressure holding plunger 22.
  • the pressing force is once released. Thereby, molten resin can be maintained in the optimal state including the time of removing a molded article from a metal mold
  • the blocking of the blocking plunger 12 is released and the resin passage 6 is opened, and the pressing force is again applied to the pressure holding plunger 22 so that the tip portion is the resin passage.
  • the pressure retaining plunger 22 is advanced until the resin protrudes to 6 to discharge the resin.
  • the pressurization of the injection screw 2 causes the pressure holding plunger 22 to retreat by the pressure of the resin so that the resin flows into the pressure holding path 9.
  • 6 is pressurized (primary holding pressure)
  • the shut-off plunger 12 is closed
  • the holding pressure plunger 22 is used to pressurize the resin in the resin path 6 and the holding pressure path 9 (secondary holding pressure)
  • the blocking plunger The pressure holding plunger 22 is moved forward until the tip protrudes into the resin path 6 and the resin in the pressure holding path 9 is entirely discharged to the resin path 6, and is closer to the injection screw 2 than the blocking plunger 12. Resin is held with respect to the resin path 6.
  • the resin inside the pressure retaining path 9 can be surely discharged to the resin path 6, the resin remaining in the pressure retaining path 9 can be eliminated, and the resin staying in the resin reservoir in the pressure retaining path 9 can be eliminated. . Further, the resin can be held with respect to the resin path 6 on the injection screw 2 side than the blocking plunger 12. Accordingly, the resin of the pressure holding path 9 can be reliably discharged to the resin path 6 with an extremely simple structure without using a large mechanism, and the resin stays in the pressure holding mechanism (pressure holding path 9) with certainty. Without it, it becomes possible to suppress burning defects.
  • the pressure holding plunger 22 is advanced to a state where the tip projects into the resin path 6 and all of the resin in the pressure holding path 9 is discharged to the resin path 6.
  • the end of the plunger 22 is flush with the inner wall of the resin path 6 so that all of the resin in the pressure retaining path 9 is discharged to the resin path 6 and the resin is not retained. Is considered.
  • the present invention can be used in the industrial field of injection devices and resin injection methods.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Injection Moulding Of Plastics Or The Like (AREA)
PCT/JP2010/068085 2009-11-25 2010-10-14 射出装置及び樹脂の射出方法 Ceased WO2011065143A1 (ja)

Priority Applications (4)

Application Number Priority Date Filing Date Title
CN201080053530.2A CN102666065B (zh) 2009-11-25 2010-10-14 注射装置以及树脂的注射方法
EP10832990.5A EP2505334B1 (en) 2009-11-25 2010-10-14 Injection device and resin injection method
US13/467,446 US20120217679A1 (en) 2009-11-25 2012-05-09 Injection device and resin injection method
US15/134,591 US10213947B2 (en) 2009-11-25 2016-04-21 Injection device and resin injection method

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2009-268144 2009-11-25
JP2009268144A JP5535595B2 (ja) 2009-11-25 2009-11-25 射出装置及び樹脂の射出方法

Related Child Applications (1)

Application Number Title Priority Date Filing Date
US13/467,446 Continuation US20120217679A1 (en) 2009-11-25 2012-05-09 Injection device and resin injection method

Publications (1)

Publication Number Publication Date
WO2011065143A1 true WO2011065143A1 (ja) 2011-06-03

Family

ID=44066247

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2010/068085 Ceased WO2011065143A1 (ja) 2009-11-25 2010-10-14 射出装置及び樹脂の射出方法

Country Status (7)

Country Link
US (2) US20120217679A1 (enExample)
EP (1) EP2505334B1 (enExample)
JP (1) JP5535595B2 (enExample)
CN (1) CN102666065B (enExample)
TR (1) TR201900431T4 (enExample)
TW (1) TWI417182B (enExample)
WO (1) WO2011065143A1 (enExample)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112092315A (zh) * 2020-08-07 2020-12-18 昌盛达机械(浙江)有限公司 塑料注射成型机独立保压装置
IT202100025337A1 (it) 2021-10-04 2023-04-04 Sipa Progettazione Automaz Apparato di iniezione per produrre articoli cavi di plastica, in particolare preforme di bottiglie
JP7778905B2 (ja) * 2022-02-28 2025-12-02 日精エー・エス・ビー機械株式会社 保圧装置、射出装置および樹脂材料の射出方法

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0985790A (ja) 1995-09-27 1997-03-31 Nissei Plastics Ind Co 射出成形における保圧方法
JP2002192560A (ja) * 2000-12-27 2002-07-10 Nissei Asb Mach Co Ltd 射出装置及び射出成形方法
JP2002240114A (ja) * 2001-02-19 2002-08-28 Nishikawa Kasei Co Ltd 射出成形方法
JP2003205530A (ja) * 2002-01-10 2003-07-22 Toshiba Mach Co Ltd 射出成形機用ノズル及び射出成形方法

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2325490A1 (fr) * 1975-09-26 1977-04-22 Creusot Loire Dispositif de maintien de pression pour une machine de moulage par injection de matiere plastique et procede de moulage par injection correspondant
DE3307586A1 (de) * 1982-03-19 1983-09-29 Emhart Industries Inc., Farmington, Conn. Spritzformanordnung und Verfahren zum Spritzgießen von Kunststoffteilen
IT8553277U1 (it) * 1985-04-19 1986-10-19 Sandretto Ind Dispositivo di iniezione per materiali plastici
US4632652A (en) * 1985-05-01 1986-12-30 Wedco Inc. Draw-back valve assembly for an injection molding apparatus
JPH01241418A (ja) * 1988-03-24 1989-09-26 Japan Steel Works Ltd:The 射出成形機の射出装置
HUT56312A (en) 1988-10-13 1991-08-28 Sanri Kk Method and apparatus for injection moulding
US5071341A (en) 1990-10-24 1991-12-10 Hoover Universal, Inc. Injection molding machine with pressure assist nozzle
DE4221423C2 (de) * 1992-06-30 2002-06-20 Sig Corpoplast Gmbh & Co Kg Verfahren und Vorrichtung zum Herstellen von Gegenständen aus thermoplastischem Kunststoff durch Spritzgießen
US5509797A (en) * 1993-09-30 1996-04-23 Nissei Plastic Industrial Co., Ltd. Injection apparatus possessing pressure holding device
DE19811273C2 (de) * 1998-03-11 2000-01-27 Mannesmann Ag Verfahren und Vorrichtung zum Filtern von Kunststoffen in Spritzgießmaschinen

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0985790A (ja) 1995-09-27 1997-03-31 Nissei Plastics Ind Co 射出成形における保圧方法
JP2002192560A (ja) * 2000-12-27 2002-07-10 Nissei Asb Mach Co Ltd 射出装置及び射出成形方法
JP2002240114A (ja) * 2001-02-19 2002-08-28 Nishikawa Kasei Co Ltd 射出成形方法
JP2003205530A (ja) * 2002-01-10 2003-07-22 Toshiba Mach Co Ltd 射出成形機用ノズル及び射出成形方法

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of EP2505334A4 *

Also Published As

Publication number Publication date
JP5535595B2 (ja) 2014-07-02
JP2011110772A (ja) 2011-06-09
TWI417182B (zh) 2013-12-01
EP2505334A1 (en) 2012-10-03
US10213947B2 (en) 2019-02-26
EP2505334B1 (en) 2018-12-05
EP2505334A4 (en) 2013-06-12
TW201139109A (en) 2011-11-16
CN102666065A (zh) 2012-09-12
TR201900431T4 (tr) 2019-02-21
US20120217679A1 (en) 2012-08-30
US20160297129A1 (en) 2016-10-13
CN102666065B (zh) 2015-05-13

Similar Documents

Publication Publication Date Title
JP6092075B2 (ja) 射出成形機
JP4545435B2 (ja) 射出成形方法及び装置
JP2004533948A5 (enExample)
CN1064235A (zh) 改进的热流道模具装置及其使用
JP5535595B2 (ja) 射出装置及び樹脂の射出方法
TWI583528B (zh) Injection molding machine
JP2005074970A (ja) 射出成形用金型、及び該金型を備えた射出成形機
TWI615261B (zh) 射出成形機
JP2011110772A5 (enExample)
JP6146859B2 (ja) 射出成形機
JP4996365B2 (ja) プリプラ式射出成形装置
JP7297660B2 (ja) 金型装置
TWI583527B (zh) Injection molding machine
JPH07214618A (ja) 射出成形機におけるチェックリングの開閉装置
JP2002240114A (ja) 射出成形方法
JP2008296247A (ja) ダイカストマシンの制御方法
JP2006272670A (ja) プリプラ式射出成形装置
JP6186243B2 (ja) 計量装置、可塑化装置、射出装置、成形装置、及び成形品の製造方法
JP2005254532A (ja) 射出成形機の圧力制御方法
WO2021251249A1 (ja) 射出成形機の制御装置、および射出成形機の制御方法
JP2009006526A (ja) プリプラ式射出成形装置
JP2006272667A (ja) プリプラ式射出成形方法及び装置
JP2006205186A (ja) 溶融材料の射出装置と射出方法
JP2002283413A (ja) 射出成形機
JPH07214616A (ja) 射出成形機におけるチェックリングの開閉装置

Legal Events

Date Code Title Description
WWE Wipo information: entry into national phase

Ref document number: 201080053530.2

Country of ref document: CN

121 Ep: the epo has been informed by wipo that ep was designated in this application

Ref document number: 10832990

Country of ref document: EP

Kind code of ref document: A1

WWE Wipo information: entry into national phase

Ref document number: 2010832990

Country of ref document: EP

WWE Wipo information: entry into national phase

Ref document number: 892/KOLNP/2012

Country of ref document: IN

NENP Non-entry into the national phase

Ref country code: DE