CN101544287B - Preformed product and container - Google Patents
Preformed product and container Download PDFInfo
- Publication number
- CN101544287B CN101544287B CN2009101277612A CN200910127761A CN101544287B CN 101544287 B CN101544287 B CN 101544287B CN 2009101277612 A CN2009101277612 A CN 2009101277612A CN 200910127761 A CN200910127761 A CN 200910127761A CN 101544287 B CN101544287 B CN 101544287B
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- China
- Prior art keywords
- oral area
- cap
- ratchet
- container
- preformed articles
- 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.)
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- 238000004519 manufacturing process Methods 0.000 abstract description 9
- 210000002445 nipple Anatomy 0.000 description 25
- 230000003321 amplification Effects 0.000 description 6
- 238000000034 method Methods 0.000 description 6
- 238000003199 nucleic acid amplification method Methods 0.000 description 6
- 230000000052 comparative effect Effects 0.000 description 5
- 230000000694 effects Effects 0.000 description 5
- 238000001746 injection moulding Methods 0.000 description 5
- 229920000139 polyethylene terephthalate Polymers 0.000 description 4
- 239000005020 polyethylene terephthalate Substances 0.000 description 4
- 238000002347 injection Methods 0.000 description 3
- 239000007924 injection Substances 0.000 description 3
- 239000002245 particle Substances 0.000 description 2
- 239000004033 plastic Substances 0.000 description 2
- 229920003023 plastic Polymers 0.000 description 2
- 229920005989 resin Polymers 0.000 description 2
- 239000011347 resin Substances 0.000 description 2
- 238000007493 shaping process Methods 0.000 description 2
- 239000004698 Polyethylene Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- -1 polyethylene terephthalate Polymers 0.000 description 1
- 229920003002 synthetic resin Polymers 0.000 description 1
- 239000000057 synthetic resin Substances 0.000 description 1
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
- B29C2949/00—Indexing scheme relating to blow-moulding
- B29C2949/20—Preforms or parisons whereby a specific part is made of only one component, e.g. only one layer
- B29C2949/22—Preforms or parisons whereby a specific part is made of only one component, e.g. only one layer at neck portion
-
- 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
- B29C2949/00—Indexing scheme relating to blow-moulding
- B29C2949/20—Preforms or parisons whereby a specific part is made of only one component, e.g. only one layer
- B29C2949/24—Preforms or parisons whereby a specific part is made of only one component, e.g. only one layer at flange portion
-
- 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
- B29C2949/00—Indexing scheme relating to blow-moulding
- B29C2949/20—Preforms or parisons whereby a specific part is made of only one component, e.g. only one layer
- B29C2949/26—Preforms or parisons whereby a specific part is made of only one component, e.g. only one layer at body portion
-
- 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
- B29C2949/00—Indexing scheme relating to blow-moulding
- B29C2949/20—Preforms or parisons whereby a specific part is made of only one component, e.g. only one layer
- B29C2949/28—Preforms or parisons whereby a specific part is made of only one component, e.g. only one layer at bottom portion
-
- 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
- B29C2949/00—Indexing scheme relating to blow-moulding
- B29C2949/30—Preforms or parisons made of several components
- B29C2949/3024—Preforms or parisons made of several components characterised by the number of components or by the manufacturing technique
-
- 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
- B29C2949/00—Indexing scheme relating to blow-moulding
- B29C2949/30—Preforms or parisons made of several components
- B29C2949/3032—Preforms or parisons made of several components having components being injected
Abstract
The present invention provides a preformed product which does not fall in the conveying of manufacturing process and has a ring that does not easily fall off from an opening after being opened. The preformed product (10) is provided with the opening (11), a preformed product body (12) and a flange part (13) which is formed between the opening (11) and the preformed product body (12). The periphery of the opening (11) is formed with a male thread part (14) on a female thread part (25) clamped on the inner surface of a cap (20). A plurality of pawls (15) are installed with a preset interval along a circumferential direction on a position between the male thread part (14) and the flange part (13) in the periphery of the opening (11). The pawls (15) are clamped at a projection (28) on the inner surface of the ring (22) of the cap (20) thereby disconnecting the ring (22) from the cap body (21). A circumferential slot part (17) which dents inwards more than the area between the pawls (15) throughout the periphery of the opening (11) is installed between the pawls (15) and the flange part (13) in the periphery of the opening (11).
Description
Technical field
The present invention relates to have oral area, the preformed articles main body and be formed on oral area and the preformed articles main body between preformed articles and the container of making by such preformed articles of flange part, particularly when cap is opened, can make cap main body and open circuited preformed articles of ring and container with the small rotation angle.
Background technology
The production of the plastic bottle container that in the past, carried out constituting by PET etc. through being shaped by the biaxial stretch-formed winding-up of the preformed articles (preform) that injection moulding is made, making.As such preformed articles, used the for example structure of that kind shown in Figure 17 (example 1 in the past) in the past.In Figure 17, preformed articles 100 has oral area 101, preformed articles main body 102 and flange part 103.In Figure 17, above flange part 103, spread all over oral area 101 complete cycles and be formed with ring-type teat (connecting portion) 104.
With respect to this, Figure 18 and preformed articles 110 (example 2 in the past) shown in Figure 19 are provided with 4 ratchets 114 along oral area 111 peripheries above flange part 113.Through such structure, when opening, the jut of the ring inner face of cap is engaged with ratchet 114, can cap main body and ring be broken off with the small rotation angle.
But, shown in figure 19, the circumferencial direction length L of each ratchet 114 of preformed articles 110
XInterval L than 114 on each ratchet
YShort.Therefore, the problem that have in the conveying in Fabrication procedure, tank capacity falls from the neck clamp that is inserted between flange part 113 and the ratchet 114.In addition, also have after the unlatching of cap, the ring of cap crosses ratchet 114 and the problem that comes off from oral area 111 easily.
[patent documentation 1] spy opens the 2006-263948 communique
Summary of the invention
The present invention considers that such problem makes, purpose provide a kind of when opening, can make cap main body and ring break off, not fall in can conveying with the small rotation angle in Fabrication procedure and after unlatching ring be difficult for the preformed articles and the container that come off from oral area.
The present invention is a kind of preformed articles; Be have oral area, preformed articles main body and be formed on oral area and the preformed articles main body between the preformed articles of flange part; It is characterized in that, at the outer screw section that is formed with on the oral area periphery in the negative thread portion that is fastened on the cap inner face; On the outer screw section and the position between the flange part in the oral area periphery, set a plurality of ratchets that are interval with spaced apart in the circumferential direction, said ratchet along the circumferential direction are fastened on the jut of ring inner face of cap and ring are broken off from cap main body; Between the ratchet and flange part in the oral area periphery, spread all over the oral area complete cycle and be provided with than the inside recessed circumference slot part in side in the zone between ratchet.
The present invention is a kind of preformed articles, it is characterized in that, each ratchet is configured on the circumference teat outstanding from the periphery wall of oral area towards foreign side.
The present invention is a kind of preformed articles, it is characterized in that, the circumference teat has the rake that enlarges gradually towards its external diameter of flange part side from the outer screw section side.
The present invention is a kind of preformed articles, it is characterized in that, the groove upper surface of the lower surface of each ratchet and circumference slot part is positioned on the same plane each other.
The present invention is a kind of preformed articles, it is characterized in that, the lower surface of each ratchet leaves at interval from the groove upper surface of circumference slot part.
The present invention is a kind of container, be have oral area, container body and be formed on oral area and container body between the container of flange part, it is characterized in that, at the outer screw section that is formed with on the oral area periphery in the negative thread portion that is fastened on the cap inner face; On the outer screw section and the position between the flange part in the oral area periphery, set a plurality of ratchets that are interval with spaced apart in the circumferential direction, said ratchet along the circumferential direction are fastened on the jut of ring inner face of cap and ring are broken off from cap main body; Between the ratchet and flange part in the oral area periphery, spread all over the oral area complete cycle and be provided with than the inside recessed circumference slot part in side in the zone between ratchet.
As above; According to the present invention; Be provided with than the inwardly square recessed circumference slot part in the zone between ratchet owing to spread all over the oral area complete cycle between ratchet in the oral area periphery and the flange part, so when cap is opened, can cap main body and ring broken off with the small rotation angle.In addition, preformed articles can not fall in the conveying of Fabrication procedure, and open circuited ring can not crossed ratchet and come off from oral area after unlatching.
In addition, according to the present invention, each ratchet is configured in than the periphery wall of oral area on the outstanding circumference teat of foreign side, and the circumference teat has the rake that enlarges gradually towards its external diameter of flange part side from the outer screw section side.Thus, when opening, jut is easily crossed the circumference teat, thus can ring easily be housed in the circumference slot part, and in a single day the ring that is housed in the circumference slot part can not come off from the circumference slot part.
And then, according to the present invention, because the lower surface of each ratchet leaves at interval from the groove upper surface of circumference slot part, so can prevent that after unlatching the ring that is housed in the circumference slot part from moving along the vertical direction.
Description of drawings
Fig. 1 is the front view of the preformed articles of expression the 1st embodiment of the present invention.
Fig. 2 is the birds-eye view (the II direction of Fig. 1 is to view) of the preformed articles of expression the 1st embodiment of the present invention.
Fig. 3 is the vertical sectional view (the III-III line cutaway view of Fig. 2) of the preformed articles of expression the 1st embodiment of the present invention.
Fig. 4 is the horizontal cross (the IV-IV line cutaway view of Fig. 1) of the preformed articles of expression the 1st embodiment of the present invention.
Fig. 5 is the V portion enlarged drawing of Fig. 1.
Fig. 6 is the vertical sectional view of cap.
Fig. 7 is the container of expression the 1st embodiment of the present invention and the vertical sectional view of fabricate block.
Fig. 8 is the figure of the manufacturing approach of expression preformed articles, container and fabricate block.
Fig. 9 is the figure of the neck clamp of expression transport box.
Figure 10 is that expression is with the local amplification view around the oral area of container before cap main body and the ring disconnection, the 1st embodiment.
Figure 11 is that expression is with the local amplification view around the oral area of container after cap main body and the ring disconnection, the 1st embodiment.
Figure 12 is the front view of the preformed articles of expression the 2nd embodiment of the present invention.
Figure 13 is the vertical sectional view (the XIII-XIII line cutaway view of Figure 12) of the preformed articles of expression the 2nd embodiment of the present invention.
Figure 14 is the XIV portion enlarged drawing of Figure 12.
Figure 15 is the container of expression the 2nd embodiment of the present invention and the vertical sectional view of fabricate block.
Figure 16 be after cap main body and ring are broken off in expression, the container of the 2nd embodiment and the local amplification view of cap.
Figure 17 is a front view of representing preformed articles in the past.
Figure 18 is the front view of another preformed articles in the past of expression.
Figure 19 is the XIX-XIX line cutaway view of Figure 18.
Description of reference numerals
10 preformed articles
11 oral areas
11b periphery wall
12 preformed articles main bodys
13 flange parts
14 outer screw sections
15 ratchets
The 15k lower surface
16 circumference teats
The 16a rake
17 circumference slot parts
17a groove upper surface
20 caps
21 cap main bodies
22 rings
25 negative thread portions
27 ring main bodys
28 juts
30 containers
31 container bodies
40 fabricate blocks
The specific embodiment
The 1st embodiment
Below, with reference to accompanying drawing the 1st embodiment of the present invention is described.
Fig. 1 is the front view of the preformed articles of this embodiment of expression, and Fig. 2 is the birds-eye view (the II direction of Fig. 1 is to view) of the preformed articles of this embodiment of expression.Fig. 3 is the vertical sectional view (the III-III line cutaway view of Fig. 2) of the preformed articles of this embodiment of expression, and Fig. 4 is the horizontal cross (the IV-IV line cutaway view of Fig. 1) of the preformed articles of this embodiment of expression.Fig. 5 is the V portion enlarged drawing of Fig. 1, and Fig. 6 is the vertical sectional view of cap.Fig. 7 is the container of this embodiment of expression and the vertical sectional view of fabricate block, and Fig. 8 is the figure of the manufacturing approach of expression preformed articles, container and fabricate block.Fig. 9 is the figure of neck clamp of expression transport box, and Figure 10 is a local amplification view before cap main body and ring are broken off in expression, container and cap.Figure 11 is a local amplification view after cap main body and ring are broken off in expression, container and cap.
The structure of preformed articles
At first, through Fig. 1 to Fig. 5 the summary of the preformed articles of this embodiment is described.
Fig. 1 extremely preformed articles 10 shown in Figure 3 for example is through being made by the plastics system particle injection moulding that PET (polyethylene terephthalate) constitutes.This preformed articles 10 have the upper end be formed with circular peristome 11a oral area 11, the preformed articles main body 12 of round-ended cylinder shape is arranged and be formed on oral area 11 with preformed articles main body 12 between, the flange part 13 given prominence to foreign side.
Wherein, on the periphery of oral area 11, be formed with the outer screw section 14 in the negative thread portion 25 of cap 20 inner faces of stating after being fastened on.
In addition, between the outer screw section 14 and flange part 13 in oral area 11 peripheries, the set ratchet 15 (with reference to Fig. 4) that a plurality of (they being 4 places in this embodiment) at one end have snap-latch surface 15s that is interval with spaced apart in the circumferential direction.This ratchet 15 be as after along the circumferential direction be fastened on stating on the jut 28 of ring 22 inner faces of cap 20 and make this ring 22 open circuited from cap main body 21.
Each ratchet 15 is configured in from the periphery wall 11b of oral area 11 outstanding and spread all over oral area 11 complete cycles and on the circumference teat 16 that is provided with to foreign side.As shown in Figure 5, circumference teat 16 has the rake 16a that enlarges gradually towards its external diameter of flange part 13 sides from outer screw section 14 sides.
And then, like Fig. 1 and shown in Figure 3, between the ratchet 15 and flange part 13 in oral area 11 peripheries, spread all over oral area 11 complete cycles and be provided with the inside recessed circumference slot part 17 in side in zone (being circumferential projection 16) in this embodiment than 15 on ratchet.
As shown in Figure 5, circumference slot part 17 has groove upper surface 17a, and the continuous groove lower surface 17c and the groove bottom 17b between groove upper surface 17a and groove lower surface 17c of upper surface 13a of flange part 13.In addition, the groove upper surface 17a of the lower surface 15k of each ratchet 15 and circumference slot part 17 is positioned on the same plane each other.
In addition, in Fig. 5, the width d of circumference slot part 17
1, be the lower surface 15k of each ratchet 15 and the interval d of flange part 13
1Be preferably 2mm≤d
1≤5mm.In addition, the depth d of circumference slot part 17
2, be between the groove bottom 17b of leading section 16b and circumference slot part 17 of circumference teat 16 apart from d
2Be preferably 0.25mm≤d
2≤1.5mm.
The structure of cap
Then, through Fig. 6 the structure of cap is described.
Cap main body 21 has flat top part 23, from tube portion 24 that top part 23 extends be formed on the negative thread portion 25 on a portion 24 inner faces.In addition, on top part 23 inner faces of cap main body 21, be provided with circular projection 26.This circle projection 26 is to be engaged on oral area 11 inner faces of preformed articles 10 (or container 30) cap 20 being installed to preformed articles 10 (or then state container 30) last time.
On the other hand, ring 22 have with the continuous ring main body 27 of the tube portion of cap main body 21 24 and be located on ring main body 27 inner faces, from the jut 28 of ring main body 27 lower ends square extension in tiltedly.Wherein, jut 28 is fastened on the snap-latch surface 15s of ratchet 15 as stated, separates in a circumferential direction corresponding to ratchet 15 set be interval with a plurality of (being 4 places in this embodiment).
The structure of container and fabricate block
Then, through Fig. 7 the container of this embodiment and the structure of fabricate block are described.
In Fig. 7, the shape of the container body 31 of container 30 is different with the shape of above-mentioned preformed articles main body 12, and other structures are identical with above-mentioned preformed articles 10.In addition, fabricate block 40 is structures that container 30 and cap 20 shown in Figure 6 are made up.In Fig. 7, give identical Reference numeral and omit detailed explanation for the part identical with Fig. 1 to Fig. 6.
In addition, the shape of container body 31 is so long as through forming preformed articles main body 12 biaxial stretch-formed winding-ups, be what kind of shape can, be not limited to shape shown in Figure 7.
In addition, fabricate block 40 is made up of cap shown in Figure 6 20 and said vesse 30.That is, be screwed on through the negative thread portion 25 that makes cap main body 21 on the outer screw section 14 of oral area 11, cap 20 is installed on the container 30.In addition, in Fig. 7, each jut 28 of ring 22 lays respectively on the circumference teat 16 of 15 on each ratchet.
That is, fabricate block 40 possesses cap 20 and container 30, and the cap main body 21 that said cap 20 has negative thread portion 25 is installed in the ring 22 on the cap main body 21 freely with breaking off; Said container 30 has oral area 11, container body 31 that this cap 20 is installed, is formed on the flange part 13 between oral area 11 and the container body 31; In fabricate block 40; On oral area 11 peripheries of container 30; Be formed with the outer screw section 14 in the negative thread portion 25 that is engaged to cap 20 inner faces; On the outer screw section 14 and the position between the flange part 13 in oral area 11 peripheries, set a plurality of ratchets 15 that are interval with spaced apart in the circumferential direction, said ratchet 15 along the circumferential direction are fastened on the jut 28 of ring 22 inner faces of cap 20 and ring 22 are broken off from cap main body 21; Between the ratchet 15 and flange part 13 in oral area 11 peripheries, spread all over oral area 11 complete cycles and be provided with than the inside recessed circumference slot part 17 in side in the zone of 15 on ratchet.
The effect of this embodiment
Then, the effect to this embodiment of being made up of such structure describes.
At first, utilize Fig. 8 to Figure 10 that Fig. 1 is described to the manufacturing approach of preformed articles 10 shown in Figure 3, container 30 shown in Figure 7 and fabricate block 40 shown in Figure 7.
At first, through the particle injection moulding that uses injection machine for example to constitute, construction drawing 1 to preformed articles shown in Figure 3 10 (Reference numeral 51 of Fig. 8) by the PET resin.
Then, after these preformed articles 10 heating, be shaped, make container 30 shown in Figure 7 (Reference numeral 52 of Fig. 8) through carry out biaxial stretch-formed winding-up with the winding-up shaping machine.
Then, container 30 is as shown in Figure 9, is carried by the neck clamp (feedway) with a pair of arm 61,62 60.When carrying, a pair of arm 61,62 of neck clamp 60 is inserted in the flange part 13 and the circumference slot part 17 between the ratchet 15 (circumference teat 16) that is located at container 30.Neck clamp 60 keeps circumference teat 16 and transport box 30 under this state.In the case, as stated, circumference slot part 17 spreads all over oral area 11 complete cycles and is located between flange part 13 and the ratchet 15 (circumference teat 16).Thus, make the area of contact of arm 61,62 and circumference teat 16 become big,, can both pass through neck clamp 60 transport box 30 reliably no matter what kind of position each ratchet 15 is in.
On the other hand, container 30 is parallel with making, and through injection moulding, makes the cap 20 (Reference numeral 53 of Fig. 8) with cap main body 21 and ring 22 in addition.
Then, Yi Bian, cap 20 is installed on the container 30, make fabricate block 40 (Reference numeral 54 of Fig. 8) Yi Bian push through this cap 20 is rotated in a clockwise direction with respect to container 30 side's observation from container.At this moment, the negative thread portion 25 of cap main body 21 is screwed on the outer screw section 14 of container 30, and each jut 28 that will encircle 22 inner faces is configured on the circumference teat 16 of 15 on each ratchet (Figure 10).
Then, utilize Figure 10 and Figure 11 to the effect of cap 20 when container 30 is opened described.
At first, under state shown in Figure 10, cap 20 is observed around left-hand revolution the side from container with respect to container 30.At this moment, cap main body 21 rotation so that its negative thread portion 25 along the outer screw section 14 of container 30.With respect to this, ring 22 upward stops through the snap-latch surface 15s that its each jut 28 along the circumferential direction is fastened on each ratchet 15.If cap 20 is further rotated, then cap main body 21 breaks off (Figure 11) with ring 22 at break 20a place.Then, cap main body 21 is pulled down from container 30.
After like this cap 20 being opened, ring 22 remains in the flange part 13 and the circumference slot part 17 between the ratchet 15 of being located at container 30.In the case, through spreading all over the circumference teat 16 that oral area 11 complete cycles are provided with, ring 22 can not be crossed ratchet 15 and come off from oral area 11.
Like this, according to this embodiment, between the ratchet 15 and flange part 13 in oral area 11 peripheries, spread all over oral area 11 complete cycles and be provided with than the inwardly square recessed circumference slot part 17 in the zone (circumference teat 16) of 15 on ratchet.Thus, when cap 20 is opened, can cap main body 21 and ring 22 broken off with the small rotation angle, and container 30 can not fall in the conveying of Fabrication procedure from neck clamp 60.And then after the unlatching of cap 20, ring 22 can not crossed ratchet 15 and come off from the oral area 11 of container 30.
In addition, according to this embodiment, each ratchet 15 is configured in from the periphery wall 11b of oral area 11 on the outstanding circumference teat 16 of foreign side, and circumference teat 16 has the rake 16a that enlarges gradually towards its external diameter of flange part 13 sides from outer screw section 14 sides.Thus, when opening, jut 28 is easily crossed circumference teat 16, thus can ring 22 easily be housed in the circumference slot part 17, and in a single day the rings 22 that are housed in the circumference slot part 17 can not come off from circumference slot part 17.
The 2nd embodiment
Then, with reference to Figure 12 to Figure 16 the 2nd embodiment of the present invention is described.
Here, Figure 12 is the front view of the preformed articles of this embodiment of expression, and Figure 13 is the vertical sectional view (the XIII-XIII line cutaway view of Figure 12) of the preformed articles of this embodiment of expression.Figure 14 is the XIV portion enlarged drawing of Figure 12, and Figure 15 is the container of this embodiment of expression and the vertical sectional view of fabricate block.Figure 16 representes the container after cap main body and the ring disconnection and the local amplification view of cap.To the 2nd embodiment shown in Figure 16, the lower surface of each ratchet leaves this point difference at interval from the groove upper surface of circumference slot part at Figure 12, and other structures and above-mentioned the 1st embodiment are roughly the same.In Figure 12 to Figure 16, for giving identical Reference numeral and omit detailed explanation to the identical part of the 1st embodiment shown in Figure 11 with Fig. 1.
To shown in Figure 14, the lower surface 15k of each ratchet 15 leaves at interval from the groove upper surface 17a of circumference slot part 17 like Figure 12.That is, the lower surface 15k of each ratchet 15 is positioned at than the groove upper surface 17a of circumference slot part 17 and leans on the top.
In addition, shown in figure 14, circumference teat 16 has rake 16a that enlarges gradually towards its external diameter of flange part 13 sides from outer screw section 14 sides and the vertical component effect 16c that extends from rake 16a downwards.Wherein, the width d of the short transverse of vertical component effect 16c
3, be each ratchet 15 lower surface 15k and circumference teat 16 leading section 16b apart from d
3Be preferably 0.1mm≤d
3≤2mm.
In addition, in Figure 14, the width d of circumference slot part 17
4, be the interval d of upper surface 13a of lower surface 15k and the flange part 13 of each ratchet 15
4Be preferably 2mm≤d
4≤5mm.In addition, the depth d of circumference slot part 17
5, be between the groove bottom 17b of leading section 16b and circumference slot part 17 of circumference teat 16 apart from d
5Be preferably 0.25mm≤d
5≤1.5mm.
Then, through Figure 15 the container of this embodiment and the structure of fabricate block are described.
In Figure 15, container 30 is to make through Figure 12 is shaped to preformed articles shown in Figure 14 10 biaxial stretch-formed winding-ups.This container 30 have mounting cap 20 oral area 11, through preformed articles main body 12 is extended the container body 31 that forms and be formed on oral area 11 and container body 31 between flange part 13.
In addition, shown in figure 15, constitute fabricate block 40 by cap shown in Figure 6 20 and said vesse 30.
Like this, according to this embodiment, because the lower surface 15k of each ratchet 15 leaves at interval from the groove upper surface 17a of circumference slot part 17, so after unlatching, the rings 22 that are housed in the circumference slot part 17 can not come off.That is, shown in figure 16, under ring 22 states that are housed in the circumference slot part 17, encircle jut 28 butts of 22 inner faces and be fastened on the groove upper surface 17a of circumference slot part 17, come off so can prevent stop ring 22.
(embodiment)
Then, concrete embodiment of the present invention is described.
At first, produce preformed articles shown in Figure 1 10 and preformed articles 10 (30) shown in Figure 12 based on following condition through injection moulding.In addition, as comparative example, under same condition, produce preformed articles shown in Figure 180 110 (30).
Injection material: SHINPET 5015W
Injection machine: FE160 (manufacturer: day smart resin industry)
Then, through each preformed articles 10 shown in Figure 1 is shaped based on following condition winding-up, produce container 30 (embodiment 1).In addition, through each preformed articles 10 shown in Figure 12 is shaped based on following condition winding-up, produce container 30 (embodiment 2).And then, through equally each preform 110 (comparative example) winding-up being shaped, produce container as comparative example.
Winding-up shaping machine: LB-01 (SIG Corpoplast)
The weight of container: about 21g
Then, cap 20 is being installed to after each container (container 30 of embodiment 1 and embodiment 2 and the container of comparative example, below same) goes up directly unlatching.Thus, the ring 22 of cap 20 is broken off from cap main body 21, and ring 22 remains on each container.Then, these containers are divided into 10 every group group, respectively 1 week of condition held of 3 ℃, 22 ℃, 40 ℃.Then, confirm to encircle 22 tests that whether come off from each container.The method of this test be to use capital of a country skill development " AUTOMATIC TORQUE ANALYZAR KE-10 " the Open-closure meter, with the power of 150Ncm cap 20 is fastened on the container 30, uses the method for this device unlatching.
[table 1]
As a result, all come off as container all rings 22 under all temperature conditions of comparative example, with respect to this, the container 30 of embodiment 1 and the container 30 of embodiment 2 are not all seen coming off of ring 22 under all temperature conditions.
Claims (6)
1. preformed articles, be have oral area, preformed articles main body and be formed on oral area and the preformed articles main body between the preformed articles of flange part, the outer screw section being formed with on the oral area periphery in the negative thread portion that is fastened on the cap inner face is characterized in that,
On the outer screw section and the position between the flange part in the oral area periphery, set a plurality of ratchets that are interval with spaced apart in the circumferential direction, said ratchet along the circumferential direction are fastened on the jut of ring inner face of cap and ring are broken off from cap main body;
Between the ratchet and flange part in the oral area periphery, spread all over the oral area complete cycle and be provided with than the inside recessed circumference slot part in side in the zone between ratchet.
2. preformed articles as claimed in claim 1 is characterized in that, each ratchet is configured on the circumference teat outstanding from the periphery wall of oral area towards foreign side.
3. preformed articles as claimed in claim 2 is characterized in that, the circumference teat has the rake that enlarges gradually towards its external diameter of flange part side from the outer screw section side.
4. preformed articles as claimed in claim 1 is characterized in that, the groove upper surface of the lower surface of each ratchet and circumference slot part is positioned on the same plane each other.
5. preformed articles as claimed in claim 1 is characterized in that, the lower surface of each ratchet leaves at interval from the groove upper surface of circumference slot part.
6. container, be have oral area, container body and be formed on oral area and container body between the container of flange part, the outer screw section being formed with on the oral area periphery in the negative thread portion that is fastened on the cap inner face is characterized in that,
On the outer screw section and the position between the flange part in the oral area periphery, set a plurality of ratchets that are interval with spaced apart in the circumferential direction, said ratchet along the circumferential direction are fastened on the jut of ring inner face of cap and ring are broken off from cap main body;
Between the ratchet and flange part in the oral area periphery, spread all over the oral area complete cycle and be provided with than the inside recessed circumference slot part in side in the zone between ratchet.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2008077428 | 2008-03-25 | ||
| JP2008077428A JP5286867B2 (en) | 2008-03-25 | 2008-03-25 | Preforms and containers |
| JP2008-077428 | 2008-03-25 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101544287A CN101544287A (en) | 2009-09-30 |
| CN101544287B true CN101544287B (en) | 2012-02-22 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009101277612A Expired - Fee Related CN101544287B (en) | 2008-03-25 | 2009-03-25 | Preformed product and container |
Country Status (2)
| Country | Link |
|---|---|
| JP (1) | JP5286867B2 (en) |
| CN (1) | CN101544287B (en) |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| PL2393718T3 (en) * | 2009-02-06 | 2014-01-31 | Khs Gmbh | Handling device and handling method for containers and also pre-forms |
| JP5707872B2 (en) * | 2010-11-05 | 2015-04-30 | 凸版印刷株式会社 | Plastic bottle |
| JP6410123B2 (en) * | 2013-07-05 | 2018-10-24 | 大日本印刷株式会社 | Plastic bottles and preforms |
| JP6530378B2 (en) * | 2014-03-27 | 2019-06-12 | 日本山村硝子株式会社 | Flat bottle preform, flat bottle molding method and gripper device |
| CN108349639B (en) * | 2015-10-29 | 2020-01-14 | 大日本印刷株式会社 | Container, container with lid, and method for manufacturing container with lid |
| JP7273515B2 (en) * | 2019-01-09 | 2023-05-15 | 藤森工業株式会社 | container with cap with ring |
| JP2020164179A (en) * | 2019-03-28 | 2020-10-08 | 株式会社吉野工業所 | Synthetic resin container |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE202007009983U1 (en) * | 2007-07-17 | 2007-10-31 | Krones Ag | Plastic container with engagement groove |
| CN201002765Y (en) * | 2006-08-31 | 2008-01-09 | 百士佳企业有限公司 | Bottle neck structure capable of reducing bottle weight |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20050252878A1 (en) * | 2004-05-03 | 2005-11-17 | Alcoa Closure Systems International | Tamper-evident package |
| JP4909550B2 (en) * | 2005-09-06 | 2012-04-04 | 北海製罐株式会社 | Polyester resin bottle |
| JP4964701B2 (en) * | 2007-07-30 | 2012-07-04 | 日本山村硝子株式会社 | Caps and containers |
-
2008
- 2008-03-25 JP JP2008077428A patent/JP5286867B2/en active Active
-
2009
- 2009-03-25 CN CN2009101277612A patent/CN101544287B/en not_active Expired - Fee Related
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201002765Y (en) * | 2006-08-31 | 2008-01-09 | 百士佳企业有限公司 | Bottle neck structure capable of reducing bottle weight |
| DE202007009983U1 (en) * | 2007-07-17 | 2007-10-31 | Krones Ag | Plastic container with engagement groove |
Also Published As
| Publication number | Publication date |
|---|---|
| CN101544287A (en) | 2009-09-30 |
| JP2009226831A (en) | 2009-10-08 |
| JP5286867B2 (en) | 2013-09-11 |
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