CN100372740C - PET plastic container blank, method for manufacturing the same and equipment thereof - Google Patents
PET plastic container blank, method for manufacturing the same and equipment thereof Download PDFInfo
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- CN100372740C CN100372740C CNB2004100510570A CN200410051057A CN100372740C CN 100372740 C CN100372740 C CN 100372740C CN B2004100510570 A CNB2004100510570 A CN B2004100510570A CN 200410051057 A CN200410051057 A CN 200410051057A CN 100372740 C CN100372740 C CN 100372740C
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Abstract
The present invention relates to a PET plastic container blank. The present invention orderly comprises a blank bottom, a blank body and a blank port from the bottom upwards. The blank body can be divided into a plurality of sections. The upper section of the blank body is a transition section by which the blank body is connected with the blank port, and adopts a truncated cone tubular structure. The wall thickness of the blank body of the PET plastic container blank is increased following the sections from the top to the bottom. Screw thread teeth at the periphery of the blank port are also provided with an exhaust channel. The blank port of the PET plastic container blank has high structural strength and good tightness, is safe and reliable when users open bottles, can be adapted to multivariate container bottles of which the bottoms extend by blowing simultaneously, particularly container bottles with a blown champagne bottom structure, and can be used for filling beverage with fermentation activity, such as beer class. The present invention also relates to a fabrication method and a processing apparatus of PET plastic container blanks, processes PET plastic container blanks, has exact size and little consumption, and improves efficiency.
Description
Technical field
The present invention relates to a kind of be used for the blowing base substrate of plastic container, the manufacture method and the equipment of base substrate, relating in particular to a kind of is the manufacture method and the equipment of the con-tainer blanks and the con-tainer blanks of main material with pet resin (to call PET in the following text).
Background technology
PET material and other composition plastics difference be it have as clear as crystal, perspective rate not second to glass, be difficult for advantages such as broken and in light weight, thereby be widely used in making carbonic acid soda, fruit and vegetable juice, and beverage containers bottle such as teas.0.7 the glass bottle weight of litre is greater than the beverage of its splendid attire, on the contrary, with the beverage of 1 liter of dress of the bottled Sheng of PET, its PET bottle accounts for total weight and is less than in the 2-5%, uses the PET bottle when transportation, and loss and working expenses can reduce greatly.PET bottle popular job operation at present is an injection stretch blow moulding, earlier outpour base substrate with injection machine, it mainly acts on is to produce a typing and smooth flawless bottle neck body and mouth cylindrical part and benchmark bottle base body earlier, treat that the bottle base cooling back or the heating that heats up once more allow the bottle base body arrive and soften in the time of can carrying out blow temperatures when being cooled to proper temperature, bottle base is sent to a bottle pattern tool carries out the blowing typing, typing is to add a certain amount of anhydrous no oil gas pressure toward at the bottle base mouth to make base substrate in length and breadth to stretching, blowing becomes container bottle, and the weight of bottle is equivalent to the weight of base substrate.
The present con-tainer blanks of using generally includes three component parts at the bottom of base mouth, base body and the base; The periphery of base mouth can be designed to threaded structure, and purpose is to make things convenient for the customer that bottle cap is twisted repeatedly to close, and also can be designed to not threaded structure, and promptly the crown plug dedicated fixed is locked pressure ring frame mode or the like, and described base mouth is identical with blown container bottle bottleneck; In the prior art at the bottom of the base of PET plastic container base and base as etc. the structure of wall thickness, base is cylindrical as one section hollow.Adopt the PET plastic container base of said structure, can satisfy the blowing body also is the needs of the columniform container bottle of one section hollow, but, when the shaped design of container bottle changes to some extent, especially when blowing changeable various camber line, such as: body expansion segment or contraction section or a bottle end being arranged is at the bottom of the champagne time, the PET plastic container base that uses prior art because of its material composition be heated characteristic limitations can't satisfy change the needs of structure.If reluctantly the PET plastic container base of prior art is blow molded into the container bottle of described variation structure, will cause bottle wall thickness part inhomogeneous, not enough and the bottle explosion of compressive resistance, when container bottle being carried out content when doing pasteurize, up be heated to 63-70 ℃ of temperature at can temperature or normal temperature from the can thing, carry out 5-30 minute sterilization, cause the bottle distortion because of its plastic components produces mechanical contraction after container bottle is heated.Simultaneously, adopting PET bottle canned beer is the new problem of packaging industry, because pressure of the inside of a bottle is big, bottleneck structure of the prior art can not be guaranteed user's security needs, contains the moment of the PET bottle of beer when unlatching, because pressure of the inside of a bottle and artificial power effect, may hurt sb.'s feelings because of bottle cap penetrates, beer is just ejection simultaneously also, for this reason, PET bottle bottleneck need be improved, also be that the base mouth to PET plastic container base improves in fact.
Summary of the invention
In order to overcome the deficiency of existing P ET plastic container blank structure, the objective of the invention is to: a kind of PET plastic container base that improves structure is provided, its base mouth structure intensity height, good seal performance, safe and reliable during uncork, simultaneously, can adapt to the blowing bottom and extend changeable container bottle, especially be blow molded into the container bottle of champagne bottom structure, and can be used to the beverage that the canned beer class has fermentation activity.
Second purpose of the present invention is: a kind of Fabricating machinery of PET plastic container base is provided, can be used to process the PET plastic container base that improves structure.
The 3rd purpose of the present invention is: a kind of manufacture method of PET plastic container base is provided, according to said method processes PET plastic container base, size is accurate, and the little efficient of loss improves.
The technical solution adopted for the present invention to solve the technical problems is:
A kind of PET plastic container base, up comprise base successively by the bottom at the bottom of, base body and base mouth constitute, described base body can be divided into plurality of sections and form; The epimere of described base body adopts frustum of a cone tubular structure for connecting the transition phase of base body and base mouth; The base body of described PET plastic container base from top to bottom, the base substrate wall thickness increases piecemeal; At described base mouth periphery ridge body place, also be provided with safety device.
Described safety device can be a kind of air discharge duct.
A kind of equipment of making PET plastic container base comprises in order to the mould, No. two moulds that are used to form con-tainer blanks base mouth and base shoulder profile that form the con-tainer blanks inner chamber, No. four moulds at the bottom of being used to form No. three moulds of con-tainer blanks base body and being used to form the con-tainer blanks base; Described No. four moulds are provided with the PET plastic injection device, a mould comprises that canned paragraph and core constitute, and described canned paragraph is connected with external fixation device, and described core section can be divided into plurality of sections and form, corresponding with the inner chamber of each section of described con-tainer blanks, the external diameter of described each section of core section reduces piecemeal.
A kind of method of making PET plastic container base, step is as follows:
Step 1: No. three moulds and No. four moulds maintain static, and No. one mould moves towards No. three mould directions, passes mould No. two until core, and two parts of No. two moulds close, and the positioning head of No. two moulds is connected with the positioning chamber of internal mold subframe and locks;
Step 2: a mould and No. two moulds together move towards No. three mould directions, put in the inner chamber of No. three moulds until a model core, and another positioning head of No. two moulds is connected with No. three mould flared section and locks;
Step 3: injection machine is from the injection port injection PET plastics of No. four moulds;
Step 4: con-tainer blanks mouth crystallization;
Step 5: con-tainer blanks mouth and base substrate cooling, setting;
Step 6: mould, No. two moulds and con-tainer blanks are separated with No. four moulds with No. three moulds simultaneously;
Step 7: No. one mould separates with No. two moulds;
Step 8: two parts of No. two moulds separate, and con-tainer blanks draws off.
The invention has the beneficial effects as follows, since from the base body of described PET plastic container base down until the bottom of base body, the base substrate wall thickness increases piecemeal, therefore, be convenient to the softening extension of plastics, be suitable for blowing the container bottle of profile sudden change, container bottle at the bottom of the champagne for example canned beer, that have beer base profile, container bottle can keep uniform wall thickness.In described base mouth periphery, also be provided with air discharge duct, guarantee that the user contains the moment of the PET bottle of beer in opening, can be owing to the effect of pressure of the inside of a bottle, gone out by bottle cap and to wound, make container bottle can satisfy security needs.
Description of drawings
The present invention is further described below in conjunction with drawings and Examples.
Fig. 1 is the structural representation of PET plastic container base of the present invention;
Fig. 2 is the structural representation of the blown container bottle of PET plastic container base of the present invention;
Fig. 3 is the structural representation of the blown another kind of container bottle of PET plastic container base of the present invention;
Fig. 4 is the structure cutaway view of PET plastic container base manufacturing equipment of the present invention;
Fig. 5 is the block position and the injection process scheme drawing of PET plastic container base manufacturing equipment of the present invention;
Fig. 6 is that PET plastic container base of the present invention is injected the scheme drawing when finishing;
Fig. 7 is the scheme drawing that PET plastic container base of the present invention separates with manufacturing equipment.
The specific embodiment
As shown in Figure 1, the present invention relates to a kind of PET plastic container base 1, described con-tainer blanks is a kind of base substrate of blowing container bottle at the bottom of the champagne.
Especially, described con-tainer blanks 1 is a kind of base substrate of blowing container bottle at the bottom of the uniform champagne of wall thickness.
Described con-tainer blanks comprises 2 three component parts at the bottom of base mouth 4, base body 3 and the base.
2 are roughly test tube shape structure at the bottom of the base body 3 of described con-tainer blanks and the base, and for the ease of narration, segmentation as follows: E section at the bottom of the base, base body are divided into A section, B section, C section and D section from top to bottom.
The A section refers to the shoulder of described con-tainer blanks, and the upper end is adjacent with base mouth 3.The A section of base body is a frustum of a cone tubular structure, and its internal diameter is unanimous between the higher and lower levels, equals the internal diameter of base mouth 4, and herein, the base substrate wall thickness is linearity from top to bottom to be increased gradually, and therefore, the external diameter of A section base body lower end is greater than the external diameter of upper end.
The B section is adjacent with the A section, is positioned at the below of A section.B section base is as the cylindrical tube structure that waits wall thickness, and its internal diameter is unanimous between the higher and lower levels, equals the internal diameter of A section, and its external diameter is also unanimous between the higher and lower levels, equals the external diameter of A section lower end.Therefore, B section base body equates with the lower end wall thickness of A section base body.
The C section is adjacent with the B section, is positioned at the below of B section.Described C section is one section internal diameter short tube from large to small, and the external diameter of C section base body is unanimous between the higher and lower levels, equals the external diameter of B section, and the internal diameter that C section base is held on one's body is greater than the internal diameter of lower end, and therefore, the wall thickness of C section base body is linear from top to bottom to be increased.The wall thickness that C section base is held on one's body equals the wall thickness of B section base body.
The D section is adjacent with the C section, is positioned at the below of C section.D section base is as the cylindrical tube structure that waits wall thickness, and its internal diameter is unanimous between the higher and lower levels, equals the internal diameter of C section lower end, and its external diameter is also unanimous between the higher and lower levels, equals the external diameter of C section.Therefore, D section base body equates with the lower end wall thickness of C section base body.
The outside of E section is roughly convex surface hemispherical structure down at the bottom of the base, constitutes the bottom of entire container base.E section upper end is connected with D section lower end, and external diameter equates.Concave surface down the hemispherical concave configuration of the inside of E section for being connected with pipe in the D section base body, the centre of sphere of the inside and outside hemisphere of E section can overlap at the bottom of the base, also can not overlap, therefore, the wall thickness of E section can be designed as uniformly at the bottom of the base, also can be designed to uneven pattern according to actual needs.
To sum up describe as can be known, the base body of described PET plastic container base from top to bottom, the base substrate wall thickness increases piecemeal.
As shown in Figure 1, the junction at described base mouth 4 and base body 3 is provided with lock ring 5; In described base mouth periphery, also be provided with safety device, preferably, described safety device can be a kind of air discharge duct 6.
The periphery of described base mouth 4 is designed to threaded structure, can twist with bottle cap and close, and some groups of air discharge ducts 6 become several sections with the screw thread compartment.The diameter of lock ring 5 is used to lock the mounting ring of bottle cap lower edge greater than the diameter of base mouth 4.In turning on, the user contains the moment of the PET bottle of beer, the bottle cap rotation, and the periphery screw thread of the negative thread of bottle cap and base mouth 4 unclamps, and gas is at first gone out from air discharge duct 6 and is bled off in the bottle.Along with the user continues to rotate bottle cap, the mounting ring of bottle cap lower edge disconnects from lock ring 5, and bottle cap just can break away from bottleneck 4, and the phenomenon of having avoided lid to rush at the people takes place.
2 thickness is slightly thinner than the side thickness of base body 3 at the bottom of the described base, but thicker slightly than the base base thickness degree of PET plastic container base in the prior art.
With above-mentioned PET plastic container base, through blowing, can be made into the container bottle at the bottom of champagne canned beer, that have the beer bottle profile that is used for shown in Fig. 2,3, can be clear that from figure some groups of air discharge ducts 6 become several sections with the screw thread compartment at described bottleneck periphery ridge body.Preferably, described air discharge duct has four groups, and the screw thread compartment is become four sections.
Because the A section base of PET plastic container base of the present invention is as hollow cone platform structure, be consistent with the elongated shoulder section of the beer bottle profile of container bottle; The C section of base body is a transition portion, and this part base substrate wall thickness also increases from top to bottom gradually, therefore, is convenient to the softening extension of plastics.To compare the base base thickness degree of PET plastic container base in the prior art thick slightly for 1 thickness at the bottom of the base, the therefore bottom of described container bottle, and external diameter increases than the container body, and external diameter changes in the junction 12 between at the bottom of container body and the container bottle.
Different according to the height of container bottle and size, and the difference that changes of the external diameter of the bottom of container bottle, the height dimension H of base body 3 lower parts of PET plastic container base of the present invention and wall thickness dimension W be difference to some extent all.
As shown in Figure 4, process the manufacturing equipment of PET plastic container base of the present invention, comprise following component part:
A mould 10 is the internal mold in order to formation con-tainer blanks inner chamber; No. two moulds 9 are for being used to form the external mold of con-tainer blanks base mouth and base shoulder; No. three mould is captiveed joint with No. four moulds, and No. three moulds are the external mold that is used to form con-tainer blanks base body, and No. four moulds are the external mold at the bottom of being used to form the con-tainer blanks base, and include the PET plastic injection device.
As shown in Figure 4, a mould 10 comprises that canned paragraph 101 and core 102 constitute, and described canned paragraph 101 is connected with external fixation device, is installed with internal mold subframe 11 around it; Described core section 102 can be divided into A ', B ', C ', D ', E ' section, corresponding with A section, B section, C section, D section and the E section of PET plastic container base of the present invention, the inner chamber of A section, B section, C section, D section, E section that is the profile of A ', B ', C ', D ', E ' section of core 102 and PET plastic container base is consistent, be specially: A ', B, section is equal cylindrical of external diameter, and the external diameter size equals the A section of con-tainer blanks, the inner diameter values of B section; C ' section is a cone platform shape, and external diameter reduces to E ' direction linearity from A ', and the external diameter at two ends equals the internal diameter at the C section two ends of con-tainer blanks respectively; D ' for external diameter equate cylindrical, the external diameter size equals the inner diameter values of the D section of con-tainer blanks; E ' section is roughly semisphere, and is also consistent with the inner cavity size of con-tainer blanks E section.The external diameter that is described core 102 each sections reduces piecemeal.
No. two but mould 9 is made up of two parts of folding, and when needs injection moulded containers base, two parts of No. two moulds close, and when needs took out the con-tainer blanks of injection formed, No. two mould was opened.When two parts of No. two moulds closed, the inner chamber of formation was consistent with the contour structures of con-tainer blanks base mouth and base shoulder.Described No. two moulds 9 also include cooling mechanism 91, and described cooling mechanism 91 can be water-cooling channel.Tooth mould section 92 inner chambers of described No. two moulds 9 are provided with the corresponding alveolus of base mouth periphery screw thread with con-tainer blanks 1, are used to form described ridge.
The inner chamber of No. three moulds comprises flared section 73 and die cavity section 72, described flared section 73 is connected in order to the positioning head 94 with No. two moulds 9, described die cavity section 72 is in order to the contour structures of B section, C section and the D section of formation con-tainer blanks 1, be specially: the chamber wall of described die cavity section 72 is the face of cylinder, and its diameter equals the external diameter of B section, C section and the D section of con-tainer blanks 1.Described No. three moulds periphery also be provided with row's thermostatic bath 71, mode thermoplastic PET plastics that can be by electric heating can also be by water cooled mode hardening by cooling moulding but the con-tainer blanks 1 of not deviating from as yet.
No. four mould is provided with hemispheric cavity, and is consistent with the E section contour structures of con-tainer blanks 1.Described No. four moulds include PET plastics injection port 82.
Shown in Fig. 5,6, the step of making PET plastic container base of the present invention is as follows:
Step 1: No. three moulds and No. four moulds maintain static, and No. one mould moves towards No. three mould directions, passes mould No. two until core 102, and two parts of No. two moulds close, and the positioning head 93 of No. two moulds is connected with the positioning chamber 111 of internal mold subframe 11 and locks;
Step 2: a mould and No. two moulds together move towards No. three mould directions, put in the inner chamber of No. three moulds until a model core 102, and the positioning head 94 of No. two moulds is connected with No. three mould flared section 73 and locks;
Step 3: injection machine is from the injection port 82 injection PET plastics of No. four moulds;
Step 4: con-tainer blanks mouth crystallization;
Step 5: con-tainer blanks mouth and base substrate cooling, setting;
Step 6: mould, No. two moulds and con-tainer blanks are separated with No. four moulds with No. three moulds simultaneously;
Step 7: No. one mould separates with No. two moulds;
Step 8: two parts of No. two moulds separate, and con-tainer blanks draws off.
Above-mentioned listed specific implementation is nonrestrictive, concerning the person skilled in the art of this area, is not departing from the scope of the invention, and the present invention can also carry out various improvement and variation.
Claims (16)
1. PET plastic container base, up comprise base successively by the bottom at the bottom of, base body and base mouth; The epimere of described base body adopts frustum of a cone tubular structure for connecting the transition phase of base body and base mouth; The base body of described PET plastic container base from top to bottom, the base substrate wall thickness increases piecemeal; It is characterized in that:, also be provided with safety device at described base mouth periphery ridge body place; Described base body includes A section, B section, C section and D section from top to bottom.
2. PET plastic container base according to claim 1 is characterized in that: described safety device can be a kind of air discharge duct.
3. PET plastic container base according to claim 1 is characterized in that: described A section base body refers to the shoulder of described con-tainer blanks, and the upper end is adjacent with base mouth (3); A section base body internal diameter is unanimous between the higher and lower levels, equals the internal diameter of base mouth, and the base substrate wall thickness of described A section base body is linearity from top to bottom to be increased gradually, and the external diameter of A section base body lower end is greater than the external diameter of upper end.
4. PET plastic container base according to claim 3, it is characterized in that: B section base body is adjacent with A section base body, be positioned at the below of A section base body, B section base is as the cylindrical tube structure that waits wall thickness, its internal diameter is unanimous between the higher and lower levels, equal the internal diameter of A section, its external diameter is also unanimous between the higher and lower levels, equals the external diameter of A section lower end.
5. PET plastic container base according to claim 4 is characterized in that: C section base body is adjacent with B section base body, is positioned at the below of B section base body; Described C section base is as one section internal diameter short tube from large to small, the external diameter of C section base body is unanimous between the higher and lower levels, equals the external diameter of B section base body, and the internal diameter that C section base is held on one's body is greater than the internal diameter of lower end, the wall thickness of C section base body is linear from top to bottom to be increased, and the wall thickness that C section base is held on one's body equals the wall thickness of B section base body.
6. PET plastic container base according to claim 5 is characterized in that: D section base body is adjacent with C section base body, is positioned at the below of C section base body; D section base is as the cylindrical tube structure that waits wall thickness, and its internal diameter is unanimous between the higher and lower levels, equals the internal diameter of C section base body lower end, and its external diameter is also unanimous between the higher and lower levels, equals the external diameter of C section base body.
7. PET plastic container base according to claim 2 is characterized in that: the periphery of described base mouth is threaded structure, and some groups of air discharge ducts become several sections with the screw thread compartment.
8. PET plastic container base according to claim 1 is characterized in that: the outside at the bottom of the base is roughly convex surface hemispherical structure down, constitutes the bottom of entire container base, and the upper end is connected with D section base body lower end at the bottom of the base, and external diameter equates; Concave surface down the hemispherical concave configuration of inside at the bottom of the base for being connected with pipe in the D section base body, the centre of sphere of the inside and outside hemisphere of E section can select to overlap or do not overlap dual mode at the bottom of the base.
9. equipment of making PET plastic container base comprises in order to the mould, No. two moulds that are used to form con-tainer blanks base mouth and base shoulder profile that form the con-tainer blanks inner chamber, No. four moulds at the bottom of being used to form No. three moulds of con-tainer blanks base body and being used to form the con-tainer blanks base; Described No. four moulds are provided with the PET plastic injection device, it is characterized in that: a mould comprises that canned paragraph (101) and core (102) constitute, described canned paragraph (101) is connected with external fixation device, described core section (102) includes A ', B ', C ', D ', E ' section, A ', B ' section, corresponding with the inner chamber of each section of described con-tainer blanks, the external diameter of described each section of core section reduces piecemeal.
10. the equipment of manufacturing according to claim 9 PET plastic container base is characterized in that: the A ' of described core section (102), B ' section are equal cylindrical of external diameter, and the external diameter size equals the A section of con-tainer blanks, the inner diameter values of B section; C ' section is a cone platform shape, and external diameter reduces to E ' direction linearity from A ', and the external diameter at two ends equals the internal diameter at the C section two ends of con-tainer blanks respectively; D ' for external diameter equate cylindrical, the external diameter size equals the inner diameter values of the D section of con-tainer blanks; E ' section is roughly semisphere, and is consistent with the inner cavity size of con-tainer blanks E section.
11. the equipment according to claim 9 or 10 described manufacturing PET plastic container bases is characterized in that: but No. two moulds forms by two parts of folding, when the injection moulded containers base, two parts of No. two moulds close, when the con-tainer blanks of taking-up injection formed, No. two mould is opened; When two parts of No. two moulds closed, the inner chamber of formation was consistent with the contour structures of con-tainer blanks base mouth and base shoulder; Described No. two moulds (9) are provided with cooling mechanism (91).
12. the equipment of manufacturing PET plastic container base according to claim 11, it is characterized in that: described cooling mechanism (91) is a water-cooling channel, and tooth mould section (92) inner chamber of described No. two moulds is provided with the corresponding alveolus that is used to form described ridge of base mouth periphery screw thread with con-tainer blanks (1).
13. the equipment of manufacturing PET plastic container base according to claim 11, it is characterized in that: the inner chamber of No. three moulds comprises flared section (73) and die cavity section (72), described flared section (73) is connected in order to the positioning head (94) with No. two moulds (9), the chamber wall of described die cavity section (72) is the face of cylinder, and diameter equals the external diameter of B section, C section and the D section of con-tainer blanks (1); Described No. three moulds periphery also be provided with row's thermostatic bath (71), by the mode thermoplastic PET plastics of electric heating, by water cooled mode hardening by cooling moulding but the con-tainer blanks (1) of not deviating from as yet.
14. the equipment of manufacturing PET plastic container base according to claim 11, it is characterized in that: No. four mould is provided with hemispheric cavity, and is consistent with the E section contour structures of con-tainer blanks (1), and described No. four moulds include PET plastics injection port (82).
15. the equipment of manufacturing PET plastic container base according to claim 11, it is characterized in that: internal mold subframe (11) is provided with the positioning chamber (111) of round conical desk shape, can be connected with the positioning head (93) of No. two moulds and lock.
16. a method of using the described device fabrication PET of claim 9 plastic container base, step is as follows:
Step 1: No. three moulds and No. four moulds maintain static, No. one mould moves towards No. three mould directions, pass mould No. two until core (102), two parts of No. two moulds close, and the positioning head of No. two moulds (93) is connected with the positioning chamber (111) of internal mold subframe (11) and locks;
Step 2: a mould and No. two moulds together move towards No. three mould directions, put in the inner chamber of No. three moulds until a model core (102), and the positioning head of No. two moulds (94) is connected with No. three mould flared section (73) and locks;
Step 3: injection machine is injected the PET plastics from the injection port (82) of No. four moulds;
Step 4: con-tainer blanks mouth crystallization;
Step 5: con-tainer blanks mouth and base substrate cooling, setting;
Step 6: mould, No. two moulds and con-tainer blanks are separated with No. four moulds with No. three moulds simultaneously;
Step 7: No. one mould separates with No. two moulds;
Step 8: two parts of No. two moulds separate, and con-tainer blanks draws off.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2004100510570A CN100372740C (en) | 2004-08-12 | 2004-08-12 | PET plastic container blank, method for manufacturing the same and equipment thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2004100510570A CN100372740C (en) | 2004-08-12 | 2004-08-12 | PET plastic container blank, method for manufacturing the same and equipment thereof |
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| Publication Number | Publication Date |
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| CN1733557A CN1733557A (en) | 2006-02-15 |
| CN100372740C true CN100372740C (en) | 2008-03-05 |
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| Application Number | Title | Priority Date | Filing Date |
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| CNB2004100510570A Expired - Lifetime CN100372740C (en) | 2004-08-12 | 2004-08-12 | PET plastic container blank, method for manufacturing the same and equipment thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN102294817B (en) * | 2011-09-02 | 2013-10-02 | 俞安烊 | Process for manufacturing plastic container |
| CN103372969B (en) * | 2012-04-19 | 2015-10-28 | 上海紫江企业集团股份有限公司 | A kind of bottle base |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1999022926A1 (en) * | 1997-11-04 | 1999-05-14 | Otto Hofstetter Ag Werkzeug- Und Formenbau | Method for producing multi-layered preforms |
| CN1355092A (en) * | 2000-11-23 | 2002-06-26 | 宋健民 | Colour row bottle and its shaping mould and making method |
| CN1473102A (en) * | 2000-09-05 | 2004-02-04 | Multilayer containers and preforms having barrier properties utilizing recycled material |
-
2004
- 2004-08-12 CN CNB2004100510570A patent/CN100372740C/en not_active Expired - Lifetime
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1999022926A1 (en) * | 1997-11-04 | 1999-05-14 | Otto Hofstetter Ag Werkzeug- Und Formenbau | Method for producing multi-layered preforms |
| CN1473102A (en) * | 2000-09-05 | 2004-02-04 | Multilayer containers and preforms having barrier properties utilizing recycled material | |
| CN1355092A (en) * | 2000-11-23 | 2002-06-26 | 宋健民 | Colour row bottle and its shaping mould and making method |
Non-Patent Citations (2)
| Title |
|---|
| . 候作宾.模具工业，第7卷. 1994 * |
| 饮料瓶坯热流道注射模设计. 陈吉平.工程塑料应用，第23卷第5期. 1995 * |
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| CN1733557A (en) | 2006-02-15 |
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