CN103817882B - Bottle embryo takes out and cooling system - Google Patents
Bottle embryo takes out and cooling system Download PDFInfo
- Publication number
- CN103817882B CN103817882B CN201410079633.6A CN201410079633A CN103817882B CN 103817882 B CN103817882 B CN 103817882B CN 201410079633 A CN201410079633 A CN 201410079633A CN 103817882 B CN103817882 B CN 103817882B
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- line slideway
- cooling
- holder
- bottle embryo
- embryo
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- 210000001161 mammalian embryo Anatomy 0.000 title claims abstract description 93
- 238000001816 cooling Methods 0.000 title claims abstract description 88
- 238000002347 injection Methods 0.000 claims abstract description 28
- 239000007924 injection Substances 0.000 claims abstract description 28
- 230000033001 locomotion Effects 0.000 claims abstract description 6
- 230000007246 mechanism Effects 0.000 claims description 15
- 230000007704 transition Effects 0.000 claims description 15
- 230000005540 biological transmission Effects 0.000 claims description 8
- 230000001360 synchronised effect Effects 0.000 claims description 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 4
- 238000004519 manufacturing process Methods 0.000 description 13
- 239000000463 material Substances 0.000 description 9
- 238000000034 method Methods 0.000 description 3
- 238000000465 moulding Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 238000001574 biopsy Methods 0.000 description 2
- 235000019628 coolness Nutrition 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 210000003754 fetus Anatomy 0.000 description 2
- 239000003550 marker Substances 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 238000000071 blow moulding Methods 0.000 description 1
- 230000001351 cycling effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000001746 injection moulding Methods 0.000 description 1
- 230000003252 repetitive effect Effects 0.000 description 1
- 238000004904 shortening Methods 0.000 description 1
- 230000001550 time effect Effects 0.000 description 1
- 230000007306 turnover Effects 0.000 description 1
- 239000013585 weight reducing agent 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
- B29C45/40—Removing or ejecting moulded articles
- B29C45/42—Removing or ejecting moulded articles using means movable from outside the mould between mould parts, e.g. robots
-
- 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
- B29C45/72—Heating or cooling
- B29C45/7207—Heating or cooling of the moulded articles
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Mechanical Engineering (AREA)
- Robotics (AREA)
- Blow-Moulding Or Thermoforming Of Plastics Or The Like (AREA)
- Apparatus Associated With Microorganisms And Enzymes (AREA)
Abstract
A kind of bottle embryo takes out and cooling system, comprise and be arranged on the fixed half and moving half on injection machine and the bottle embryo between cover half and dynamic model, also comprise preform taking and cooling device, this preform taking and cooling device comprises holder, first ball line slideway, take-up housing, containing taking-up tool and the servomotor belt gear of cooling device, wherein, holder connects with the head plate of injection machine, one end of holder is towards between cover half and dynamic model, servomotor belt gear is arranged on holder, first ball line slideway is arranged on holder, what the first ball line slideway slided is provided with the first slide block, take-up housing is arranged on the first slide block, take-up housing makes straight line back and forth movement under the driving of servomotor belt gear on holder, the taking-up tool with cooling bottle embryo and vacuum sucking-off bottle embryo is arranged on take-up housing front end.The present invention has flexible operation, the speed of service is high, driving power is low, control little, the stable feature of difficulty.
Description
Technical field
The present invention relates to a kind of bottle embryo to take out and cooling system.
Background technology
Bottle embryo injection machine forms primarily of the die assembly of injection machine and multi-cavity, and mainly for the production of plastic bottle preform, injection moulding bottle embryo out obtains the product such as plastic bottle or medical cartridge bag through further blow molding.
The production of bottle embryo injection machine is the technological requirement according to product, and continuous repetitive cycling is carried out.Shorten time that each technical process takies and adopt the mode of production of parallel process to be shorten circulation time as far as possible, improving the effective ways of bottle embryo injection machine production efficiency.
General conventional bottles embryo injection machine does not assemble three stations and gets embryo manipulator, and the depanning of bottle embryo product is ejected by thimble, then shifts out mould through freely falling body mode after cooling in mold cavity can only be adopted firmly solid.The cool time completely firmly solid inside die cavity due to bottle embryo is longer, and free-fall time needed wait time, so the whole production cycle is long, production efficiency is low.
Through development, current bottle embryo injection machine adopts the manipulator of three station coolings to get embryo usually, its detailed process is: after mould bottle embryo is cooled to uniform temperature, mould is opened, and manipulator high-speed moves between fixed half and moving half, and injection machine ejects bottle embryo on a station of manipulator, manipulator high-speed turns back to de-embryo position, when manipulator leaves die region, injection machine continues next circulation, and manipulator overturns 90 ° in de-embryo position and the bottle embryo deviating from above the 3rd station.Because the manipulator of cooling adds, thus decrease the cool time of bottle embryo at mould; Owing to adopting manipulator to get embryo depanning, so omit the stand-by period of bottle falling embryo free-falling, so the molding cycle time of whole product significantly reduces, improve the production efficiency of machine.
But the manipulator of three stations is due to heavier, and when being particularly applied in the mould in more than 96 chambeies, take out tool larger and heavier, and the speed required is very high, so control very difficult, the cost of whole control system is very high.In addition, because the manipulator load of three stations is large, terminal resetting is unstable, has influence on and gets embryo stability, there will be and leaks embryo probability, affect the stability of production system; And along with social development, the demand of client, make constantly shorten time production cycle of bottle embryo, the manipulator of existing three stations is difficult to the demand meeting client.
Chinese patent literature CN201841648U disclosed a kind of injection machine open-close type automatic blank taking device on 05 25th, 2011, comprise be arranged on injection mold on injection machine and be arranged on injection machine side get fetus device, injection mould has die head and nib, get fetus device and comprise feeding plate, material taking hole is shaped with in feeding plate, feeding plate is driven by reciprocator, reciprocator is arranged in frame, feeding plate comprises first template and second template, first template is shaped with half first material taking hole, second template is shaped with half second material taking hole, half first material taking hole is corresponding with half second material taking hole, first template and second template have device for opening and closing device.First template and second template have 3 ~ 9 groups, often organize between first template and second template and have device for opening, be shaped with 3 ~ 9 half first material taking holes and half second material taking hole often organizing in first template and second template, a die head on every half first material taking hole and the corresponding injection mold of half second material taking hole.Device for opening comprises rack-mounted support, support is installed and opens cylinder, connects and open frame under opening cylinder, install under opening frame and open tenon, first template and second template are shaped with V-notch, open tenon and match with V-notch, opening tenon has mobile device and resetting means.
Summary of the invention
Object of the present invention aim to provide a kind of simple and reasonable, flexible operation, the speed of service are high, driving power is low, control difficulty little, get the stable bottle embryo of embryo and take out and cooling system, to overcome weak point of the prior art.
A kind of bottle embryo designed by this object takes out and cooling system, comprise and be arranged on the fixed half and moving half on injection machine and the bottle embryo between cover half and dynamic model, its architectural feature also comprises preform taking and cooling device, this preform taking and cooling device comprise holder, the first ball line slideway, take-up housing, containing the taking-up tool of cooling device and servomotor belt gear
Wherein, holder connects with the head plate of injection machine, one end of holder towards between cover half and dynamic model,
Servomotor belt gear is arranged on holder,
First ball line slideway is arranged on holder,
What the first ball line slideway slided is provided with the first slide block,
Take-up housing is arranged on the first slide block,
Take-up housing makes straight line back and forth movement under the driving of servomotor belt gear on holder;
The taking-up tool with cooling bottle embryo and vacuum sucking-off bottle embryo is arranged on take-up housing front end.
Further, bottle embryo takes out and cooling system also comprises the middle transition device being positioned at preform taking and cooling device opposite, this middle transition device comprises rotary fixing frame, rotating seat, the second ball line slideway, liftout plate, middle tool and rotating servo motor and ejects transmission mechanism
Wherein, rotary fixing frame is arranged in the frame of injection machine,
Rotating servo motor is arranged on rotary fixing frame,
Rotating seat is hubbed on rotary fixing frame, and rotating seat connects with rotating servo motor,
Rotating seat be provided with the second ball line slideway and eject transmission mechanism,
What the second ball line slideway slided is provided with the second slide block,
Liftout plate is arranged on the second slide block,
Middle tool for drawing the bottle embryo taken out in tool is arranged on the front end of liftout plate.
Further, bottle embryo takes out and cooling system also comprises the four station cooling devices being arranged on middle transition device side, this four stations cooling device comprises upper frame, the 3rd ball line slideway, movable stand, four station cooling structures and servomotor synchronous belt drive mechanism
Wherein, the 3rd ball line slideway is arranged on upper frame, and upper frame connects with the frame of injection machine,
What the 3rd ball line slideway slided is provided with the 3rd slide block,
Having the four station cooling structures that water circulation cools, vacuum inhales embryo function and deviate from function is arranged on the 3rd slide block by movable stand,
Movable stand connects with servomotor synchronous belt drive mechanism.
Further, the below of described four station cooling structures is provided with conveyer belt.
Taking-up tool in preform taking and cooling device of the present invention is fixed on the first slide block of the first ball line slideway, taking-up tool is moved between cover half and dynamic model by servomotor belt gear high-speed straight-line and takes out bottle embryo, take out tool and return to initial wait position at a high speed along former road, return course cooling bottle embryo; Middle transition device comprises servo ejecting structure and servo 90 degree of overturn structures, when taking out tool when waiting for position, servo ejecting structure ejects and returns after drawing bottle embryo, servo 90 degree of overturn structures up overturn, afterwards, servo ejecting structure up ejects bottle embryo to four station cooling devices, then returns and waits for next cycle; Four station cooling devices comprise the cooling unit of four stations and deviate from structure, middle transition device ejects bottle embryo on each station cooling unit, this cooling unit moves to above conveyer belt, deviates from structure and deviates from bottle embryo to conveyer belt and be transported to subsequent handling, then return and wait for next in cycle.
After the present invention adopts above-mentioned technical scheme, due to a preform taking and cooling device moving linearly, the not de-embryo of upset, therefore the quantity of its moving component and weight reduction half have many; And four station cooling tools are originally reduced to the cooling of single station, and the weight of taking out tool also reduces; In other words, preform taking and cooling device is relative to existing product, and its weight reduces over half, so, identical embryo speed of getting can drive with less motor, and, because load weight reduces, motion control more accurately with easy, gets embryo more stable, reduces to leak embryo probability.
Preform taking and cooling device in the present invention eliminates the de-embryonic knob structure of upset, and follow-up upset takes off embryo time effects less than whole and gets the embryo cycle, so can shorten molding cycle time, in the speed production cycle, enhances productivity.
Preform taking and cooling device in the present invention and four station cooling devices combine and always have five station coolings, the cool time of bottle embryo can extend several times, the mold clearing temperature of bottle embryo can be allowed so suitably to improve, shortening bottle embryo is in the cool time of mould, the speed production cycle, enhance productivity, ensure again the quality of product.
Embryo cooling technology scheme got by the embryo manipulator of getting that the present invention is applicable to more than 96 chambeies, can reduce overall cost, solves manipulator overload, motion control is difficult and gets the problems such as embryo instability, in the corresponding speed production cycle, enhance productivity.
The present invention has simple and reasonable, that molding cycle is short, production efficiency is high, flexible operation, the speed of service are high, driving power is low, control difficulty is little, stable feature.
Accompanying drawing explanation
Fig. 1 is one embodiment of the invention structural representation.
Fig. 2 is that A in Fig. 1 is to biopsy cavity marker devices schematic diagram.
Fig. 3 is that B in Fig. 1 is to biopsy cavity marker devices schematic diagram.
In figure: 1 is cover half, 2 is dynamic model, and 3 is bottle embryo, and 4 is holder, 5 is servomotor belt gear, and 6 is the first ball line slideway, and 7 for taking out tool, 8 is liftout plate, and 9 is rotating servo motor, and 10 is the second ball line slideway, 11 is upper frame, and 12 is the 3rd ball line slideway, and 13 is movable stand, 14 is four station cooling structures, and 15 is conveyer belt, and 16 is rotating seat, 17 is rotary fixing frame, and 18 is take-up housing, and 19 for ejecting transmission mechanism.
Detailed description of the invention
Below in conjunction with drawings and Examples, the invention will be further described.
See Fig. 1-Fig. 3, this bottle of embryo takes out and cooling system, comprise and be arranged on cover half 1 on injection machine and dynamic model 2 and the bottle embryo 3 between cover half 1 and dynamic model 2, also comprise preform taking and cooling device, this preform taking and cooling device comprise holder 4, first ball line slideway 6, take-up housing 18, containing the taking-up tool 7 of cooling device and servomotor belt gear 5, wherein, holder 4 connects with the head plate of injection machine, one end of holder 4 is towards between cover half 1 and dynamic model 2, and servomotor belt gear 5 is arranged on holder 4.First ball line slideway 6 is arranged on holder 4, what the first ball line slideway 6 slided is provided with the first slide block, take-up housing 18 is arranged on the first slide block, and take-up housing 18 makes straight line back and forth movement under the driving of servomotor belt gear 5 on holder 4; The taking-up tool 7 with cooling bottle embryo and vacuum sucking-off bottle embryo is arranged on take-up housing 18 front end.
Taking-up tool in preform taking and cooling device is fixed on the first slide block of the first ball line slideway 6 in Y-direction as shown in Figure 1, taking-up tool is moved between fourth cover half and dynamic model by servomotor belt gear 5 high-speed straight-line and takes out bottle embryo, takes out tool and returns at a high speed wait position along former road.At return course cooling bottle embryo.
In the present embodiment, bottle embryo takes out and cooling system also comprises the middle transition device being positioned at preform taking and cooling device opposite, and this middle transition device comprises rotary fixing frame 17, rotating seat 16, second ball line slideway 10, liftout plate 8, middle tool and rotating servo motor 9 and ejects transmission mechanism 19.Wherein, rotary fixing frame 17 is arranged in the frame of injection machine, and rotating servo motor 9 is arranged on rotary fixing frame 17.
Rotating seat 16 is hubbed on rotary fixing frame 17, and rotating seat 16 connects with rotating servo motor 9.
Rotating seat 16 be provided with the second ball line slideway 10 and eject transmission mechanism 19, what the second ball line slideway 10 slided is provided with the second slide block, liftout plate 8 is arranged on the second slide block, and the middle tool for drawing the bottle embryo 3 taken out in tool 7 is arranged on the front end of liftout plate 8.
Middle transition device comprises servo ejecting structure and servo 90 degree of overturn structures.
Liftout plate ejects and returns under the effect of servo ejecting structure, and the middle tool be fixed on liftout plate inhales embryo function containing vacuum; Turn under the drive of the servo electric rotating machine of rotating seat in servo 90 degree of overturn structures and turn 90 degrees.
When taking out tool when waiting for position, servo ejecting structure ejects and returns after drawing bottle embryo, and servo 90 degree of overturn structures up overturn, and servo ejecting structure up ejects bottle embryo to four station cooling devices afterwards, then returns and waits for next cycle.
Four station cooling devices comprise the cooling device of four stations and deviate from structure.Middle transition device ejects bottle embryo on each station cooling unit, this cooling unit moves to the top of conveyer belt, deviates from structure and deviates from bottle embryo to conveyer belt and be transported to subsequent handling, then return and wait for next cycle.
Bottle embryo takes out and cooling system also comprises the four station cooling devices being arranged on middle transition device side, and this four stations cooling device comprises upper frame 11, the 3rd ball line slideway 12, movable stand 13, four station cooling structure 14 and servomotor synchronous belt drive mechanism.Wherein, 3rd ball line slideway 12 is arranged on upper frame 11, upper frame 11 connects with the frame of injection machine, what the 3rd ball line slideway 12 slided is provided with the 3rd slide block, has the four station cooling structures 14 that water circulation cools, vacuum inhales embryo function and deviate from function and is arranged on the 3rd slide block by movable stand 13.Movable stand 13 connects with servomotor synchronous belt drive mechanism.Four station cooling structures are on the basis of current three station cooling structures, increase a station and corresponding parts, thus form four station cooling structures.
Four station cooling structures and movable stand are fixed, by driven by servomotor belt, movable stand is moved along Y-direction at the 3rd ball line slideway 12, inhaling first the station suction bottle embryo of embryo place by four stations, move to the bottle embryo that second station is deviate from de-embryo place afterwards, the like, make bottle embryo have the cool time of four times.
The below of four station cooling structures 14 is provided with conveyer belt 15.
During operation, after bottle embryo is cooled to uniform temperature, cover half and dynamic model are opened, the servomotor belt gear 5 being fixed on holder 4 makes take-up housing 18 on the first ball line slideway 6 along Y-direction high-speed mobile between cover half 1 and dynamic model 2, the embryo tool 7 of getting being fixed on take-up housing 18 front end takes out bottle embryo 3, then, get the former road of embryo tool 7 and return at a high speed wait position, at return course cooling bottle embryo 3.
The transmission mechanism 19 that ejects in middle transition device makes liftout plate 8 eject in X direction by belt and vacsorb gets bottle embryo 3 on embryo tool 7, and former road returns.Rotating servo motor 9 drives rotating seat 16 to turn over clockwise and turn 90 degrees; Eject servo power system 19 and act on liftout plate 8, make it eject bottle embryo 3 to four station cooling structure 14 along Z-direction; Middle transition device returns waits for next cycle.
In four station cooling devices, upper frame 11 is fixed with the 3rd ball line slideway 12, movable stand 13 moves along Y-direction on the 3rd ball line slideway 12, four station cooling structures 14 and movable stand 13 are fixed, after first station in four station cooling structures 14 is drawn onto bottle embryo 3, movable stand 13 moves to de-embryo position, and the bottle embryo 3 that de-embryonic knob structure action is deviate from the 4th station in four station cooling structures 14 arrives conveyer belt 15, and conveyer belt 15 is transported to subsequent handling bottle embryo 3.Each station in four station cooling structures includes mechanism.
Four station cooling structures 14 have water circulation cooling, vacuum suction embryo function and deviate from function, these functions are current techique.
Claims (3)
1. a bottle embryo takes out and cooling system, comprise the bottle embryo (3) being arranged on cover half (1) on injection machine and dynamic model (2) and being positioned between cover half (1) and dynamic model (2), it is characterized in that also comprising preform taking and cooling device, this preform taking and cooling device comprise holder (4), the first ball line slideway (6), take-up housing (18), containing the taking-up tool (7) of cooling device and servomotor belt gear (5)
Wherein, holder (4) connects with the head plate of injection machine, one end of holder (4) towards between cover half (1) and dynamic model (2),
Servomotor belt gear (5) is arranged on holder (4),
First ball line slideway (6) is arranged on holder (4),
What the first ball line slideway (6) above slided is provided with the first slide block,
Take-up housing (18) is arranged on the first slide block,
Take-up housing (18) makes straight line back and forth movement under the driving of servomotor belt gear (5) on holder (4);
The taking-up tool (7) with cooling bottle embryo and vacuum sucking-off bottle embryo is arranged on take-up housing (18) front end;
Also comprise the middle transition device being positioned at preform taking and cooling device opposite, this middle transition device comprises rotary fixing frame (17), rotating seat (16), the second ball line slideway (10), liftout plate (8), middle tool and rotating servo motor (9) and ejects transmission mechanism (19)
Wherein, rotary fixing frame (17) is arranged in the frame of injection machine,
Rotating servo motor (9) is arranged on rotary fixing frame (17),
Rotating seat (16) is hubbed on rotary fixing frame (17), rotating seat (16) connects with rotating servo motor (9), rotating seat (16) be provided with the second ball line slideway (10) and eject transmission mechanism (19)
What the second ball line slideway (10) above slided is provided with the second slide block,
Liftout plate (8) is arranged on the second slide block,
Middle tool for drawing the bottle embryo (3) taken out in tool (7) is arranged on the front end of liftout plate (8).
2. according to claim 1 bottle of embryo takes out and cooling system, it is characterized in that also comprising the four station cooling devices being arranged on middle transition device side, this four stations cooling device comprises upper frame (11), the 3rd ball line slideway (12), movable stand (13), four station cooling structure (14) and servomotor synchronous belt drive mechanisms
Wherein, the 3rd ball line slideway (12) is arranged on upper frame (11), and upper frame (11) connects with the frame of injection machine,
What the 3rd ball line slideway (12) above slided is provided with the 3rd slide block,
Having the four station cooling structures (14) that water circulation cools, vacuum inhales embryo function and deviate from function is arranged on the 3rd slide block by movable stand (13),
Movable stand (13) connects with servomotor synchronous belt drive mechanism.
3. according to claim 2 bottle of embryo takes out and cooling system, it is characterized in that the below of described four station cooling structures (14) is provided with conveyer belt (15).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410079633.6A CN103817882B (en) | 2014-03-05 | 2014-03-05 | Bottle embryo takes out and cooling system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410079633.6A CN103817882B (en) | 2014-03-05 | 2014-03-05 | Bottle embryo takes out and cooling system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103817882A CN103817882A (en) | 2014-05-28 |
| CN103817882B true CN103817882B (en) | 2016-04-20 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201410079633.6A Active CN103817882B (en) | 2014-03-05 | 2014-03-05 | Bottle embryo takes out and cooling system |
Country Status (1)
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| CN (1) | CN103817882B (en) |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105437464A (en) * | 2015-11-11 | 2016-03-30 | 广州一道注塑机械有限公司 | Four-station air-cooling blank-discharging system and blank-discharging method thereof |
| CN109352959B (en) * | 2018-10-30 | 2024-06-28 | 广州铂特机电设备有限公司 | High-low position embryo receiving machine |
| CN110116480A (en) * | 2019-04-28 | 2019-08-13 | 广州华研精密机械股份有限公司 | A kind of the heavy wall mold base cooling conveying device and method of injection molding machine |
| CN112223691A (en) * | 2020-09-24 | 2021-01-15 | 安徽安缆模具有限公司 | Open-close type automatic blank taking device of injection molding machine |
| CN113580539B (en) * | 2021-06-29 | 2024-07-05 | 广州华研精密机械股份有限公司 | Pre-pressing and quick cooling device for molded product |
| CN115056441B (en) * | 2022-06-13 | 2024-08-23 | 苏州东颖精密模具有限公司 | Injection molding equipment with from convertible demoulding mechanism |
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| AU5573280A (en) * | 1979-02-21 | 1980-08-28 | Emhart Industries Inc. | Parison handling |
| US4786455A (en) * | 1981-02-23 | 1988-11-22 | The Continental Group, Inc. | Rotary injection turret and method of utilizing the same in the making of preforms |
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| Publication number | Publication date |
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| CN103817882A (en) | 2014-05-28 |
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