MXPA96005861A - A bottle that has a gripper formed by molding of stretched by sopl - Google Patents

A bottle that has a gripper formed by molding of stretched by sopl

Info

Publication number
MXPA96005861A
MXPA96005861A MXPA/A/1996/005861A MX9605861A MXPA96005861A MX PA96005861 A MXPA96005861 A MX PA96005861A MX 9605861 A MX9605861 A MX 9605861A MX PA96005861 A MXPA96005861 A MX PA96005861A
Authority
MX
Mexico
Prior art keywords
bottle
handle
neck
tongue
finger
Prior art date
Application number
MXPA/A/1996/005861A
Other languages
Spanish (es)
Other versions
MX9605861A (en
Inventor
Takeuchi Setsuyuki
Ibe Nobukuni
Original Assignee
Aoki Technical Laboratory Inc
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from JP32941595A external-priority patent/JP3098412B2/en
Application filed by Aoki Technical Laboratory Inc filed Critical Aoki Technical Laboratory Inc
Publication of MXPA96005861A publication Critical patent/MXPA96005861A/en
Publication of MX9605861A publication Critical patent/MX9605861A/en

Links

Abstract

The present invention relates to a bottle comprising a neck, a handle and a body formed integrally, a portion of the neck is threaded, the body is a blown molded member extending from a distant end of the neck to a lower part with a portion of the bottle from the distal end of the neck towards the lower part of the body, it is thinly formed, the handle extends along a first axis from a side portion of the neck, disposed from the threaded portion of the nearer neck at the distal end towards a free end of the handle, the free end has a coupling tongue for an annular finger, the engagement tongue for an annular finger has a width that is greater than the width of a portion of the handle between the tongue and the neck, a portion of the handle between the tongue and the neck is molecularly oriented and has a reduced thickness in relation to The portion of the handle, wherein the first axis is transverse to the bottle, the width is transverse to the first axis and the thickness is the direction parallel to the longitudinal axis of the bottle, whereby the finger engaging tongue is flexibly up and down in the reduced thickness portion

Description

A BOTTLE THAT HAS A GRIPPER FORMED BY MOLDING OF STRETCHED BY BLOWING BACKGROUND OF THE INVENTION 1. Field of the Invention This invention relates to a blow molded bottle having a handle provided in its neck portion. 2. Background of the Technique The injection molding of a preform having a handle, which is integrally formed and extending longitudinally and downwardly from a side surface positioned below a threaded portion of a neck of the preform and blow molding is known. the preform in a bottle which has a thin body wall from a distal end of the neck to a lower part, to obtain a bottle integrally, having a handle. Such a bottle having the handle is described, for example, in GB-A-2041286, EP-A-0061511, US-A-4, 629, 598, JP-A-3-268907, EP-A-0479139 etc.
Also in JP-A-56-30828, a bottle formed by blow-stretch molding is described, in which a ring-shaped handle is integrally formed on a neck in a longitudinal direction. This conventional handle has a certain thickness for it to acquire a resistance. If a resin is used as a material for molding a bottle it is polyethylene terephthalate, although it has a certain hardness, since no other process is provided after injection molding, it lacks impulsive resistance. This should cause damage to the handle when the bottle fills with the contents, accidentally falls to the floor from a shelf and the like. On the other hand, if the resin used is polypropylene, the handle will not be damaged when the bottle falls due to its flexibility. However, the hardness of the handle is not enough and in this way the separately formed handle which is made of polyethylene is then assembled. Another blow molded bottle, in which a ring-shaped handle, in addition to the handle mentioned in the foregoing, is formed integrally in a horizontal direction, is described in O82 / 02369. However, this ring-shaped handle has the same thickness formed on the neck of the bottle. In this way, if the resin formed is polyethylene terephthalate, typically used for this type of bottle, the handle lacks flexibility and it is difficult to transport the bottle when it is filled with contents. In addition, there is the possibility of easily breaking the handle when it flexes. It is an object of the present invention to provide a newly structured bottle having a handle formed by blow-stretch molding, wherein a bifold handle having a flat shape and extending in a transverse direction is formed integrally on one side lower neck of the bottle to facilitate transport even with a relatively large bottle.
BRIEF DESCRIPTION OF THE INVENTION According to one aspect of the present invention, there is provided a bottle having a handle, which is formed integrally in a side portion below a threaded portion, provided on the neck of the bottle at the time when the preform for the The bottle is injection molded, has a flat shape extending in a transverse direction, comprising a connection portion connected to the neck and a tongue for coupling the ring finger, which has a width greater than that of the connection portion, and the connecting portion includes a narrow portion, which has a reduced thickness and is transversely provided in an intermediate portion of the connecting portion, whereby it causes the tongue for engagement of the finger to flex in the narrow portion in the directions upper and lower, and the molecular orientation of the resin is made by the narrow portion. In addition, in the above construction a concave portion for support by a person's finger can be provided in the bottom of the bottle on the side opposite to the portion where the handle is placed, to facilitate the emptying of the contents by transporting it by means of the handle. The bottle can be made of polyester resins such as polyethylene terephthalate, polyethylene naphthalate or the like or polypropylene. In a case where the resin used is polypropylene, propylene flexibility can be added to the bottle. In the case where the resin used is polyethylene terephthalate, yet another process is provided for the handle after injection molding, and the outer portion of the handle of the narrow portion will have flexibility by performing a molecular orientation in the narrow portion and thus that the resistance to bending and impulsive resistance can be increased accordingly, the handle will become difficult to break even though it is formed thin.
BRIEF DESCRIPTION OF THE DRAWINGS Figure 1 is a front view, one half of which, shows a cross-sectional view of a bottle having a handle formed by the blow-stretch molding according to the present invention. Figure 2 is a plan view of the bottle having the handle formed by blow-stretch molding, according to the present invention. Figure 3 is a front view of a preform in which the handle is integrally formed. Figure 4 is a front view, in section, partial showing particularly the portion of the handle. Figure 5 is an explanatory view showing an application of the bottle, having the handle formed by blow-stretch molding according to the present invention. Figure 6 is another explanatory view showing an application of the bottle having the handle formed by blow-stretch molding according to the present invention.
DETAILED DESCRIPTION OF THE PREFERRED MODALITIES In the Figures, the number 1 designates a bottle made of polyethylene terephthalate, a neck 2 is not processed after injection molding and the bottle is formed to have a thin wall thickness by blow molding from the end distal from neck 2 to body 4 and to a lower part 3. Number 5 designates a handle, which is formed integrally on one side of support ring 6 formed below a threaded portion of neck 2. Handle 5 has a flat shape and it extends in a transverse direction. In addition, it comprises a connection portion 51 connected to the neck and a tongue 52 engaging the ring finger, which has a width greater than that of the connection portion and is formed at its free end. The periphery of an insertion hole 53 of the tip of the finger formed within the finger engagement tab 52 is reinforced with a convex edge 54, which is slightly projected in both of the upper and lower directions around the peripheral edge. interior to lighten the load on a finger, which is engaged with the finger engaging tongue 52. Taking the ease of transporting the bottle into account, a width of the insertion hole 53 of the tip of the finger, preferably has a sufficient space to receive at least 3 fingers, ie approximately more than 5 centimeters. The connection portion 51 described above includes a narrow portion 55 which is transversely provided to an intermediate portion of the connecting portion and has a thinner thickness than that of the connecting portion, to make the tongue 52 The finger coupling is flexed in the narrow portion 55 in the upper and lower direction. Further, since the molecular orientation of the resin is made by the narrow portion when injection molded, the side of the finger engaging tongue may have a flexibility while having a certain strength. A dimension of the thickness of the narrow portion is not subject particularly to any limitation, however the molecular orientation must be performed in the narrow portion. Without an efficiency of molecular orientation, the narrow portion, although its thickness becomes thinner, is provided without resistance against bending like a conventional bottle in which there is no difference in thickness and consequently can cause the breaking of the portion of handle when forced to flex.
The thickness of the narrow portion is preferably 0.5 millimeters or less, more preferably 0.3 millimeters or less. The width of the narrow portion in the longitudinal direction is preferably 1.5 millimeters or more and may be the same as that of the connecting portion, ie the full connection portion is the narrow portion. The handle 5 is injection molded at the same time when a preform 11 is injection molded. The molding can be easily performed by forming a flat cavity 15 for the handle 5 connected with a ring 16 of support of a neck 12 on a dividing surface between a mold 31 for forming for the neck 12 and a mold 32 for forming a body 13 and a lower part 14 and filling by injection a resin fused through the ring 16 of support within the flat cavity 15. The resin material filled in the cavity 15 through the support ring 16 is pressed outwardly through a conduit to limit a flow of resin through the projecting projections from both the upper and lower surfaces of the cavity, i.e. the portion 15a narrow in the cavity and is forced to flow into the side of the finger engaging tongue. At the same time, the molecular orientation of the resin is oriented in one direction of a resin flow. In this way, as shown in Figure 5, the handle 5 is still provided in a large bottle, which is filled with contents, will not break when it flexes and facilitates transport of the bottle, since the handle It has enough resistance even in a flexed condition. On the tongue side for finger engagement, where the molecular orientation has been performed, even when the bottle 1 is made of polyethylene terephthalate, the handle will have flexibility. And in this way, the narrow portion 55 having a thinner thickness will not be rotated with fatigue after flexing the side of the finger engaging tongue repeatedly in the upper and lower directions, as the case may be, where it is used. Polypropylene. However, in a bottle in which the narrow portion 55 is not provided on the side of the finger engaging tongue, it can be easily broken because it is difficult to flex due to its strength, even when its thickness is approximately 1.5. millimeters and also because of its difficult process flexibility. The number 7 designates a concave portion for supporting the bottle by a person's finger, which is provided at the bottom of the bottle 1 on the side opposite to the portion where the handle was placed and formed at the time when the Bottle 1 is molded by stretch blow. As shown in Figure 6, the concave portion 7 is provided to facilitate tilting of the bottle 1, when emptying the liquid contents for engagement of a finger or fingers of a hand on the handle 5, while supporting the part lower 4 with the other hand. The concave portion 7 can preferably be adopted for relatively large bottles, which; they include a capacity of 3 liters and they have the problem of joining a hand in the lower part, due to the weight of the contents and the diameter of the bottle. The bottle 1 mentioned in the above is capable of transporting by coupling with the tip of a finger or the tips of the fingers in the tongue 52 for coupling with the finger of the handle 5, emptying the contents, as mentioned in the above and transporting the handle with one hand, while supporting the part: lower with the other hand with coupling of the tips of the fingers to the concave portion 7. Since the handle is flat and formed thin, it requires less amount of resin material than a conventional handle does. In addition, since the handle is restorable, when it flexes in the narrow portion, it does not take up any extra space when the bottle is packed in a box.
Example 1 Resin used Polyethylene terephthalate Bottle size Capacity 3 liters Height (mm) Total height 309, neck 33 mm Diameter (mm) 130 Size of the handle Length (mm) Overall length 40 connection portion 10 (including 2 mm width the narrow portion), tab 30 for engagement with the finger. Width (mm) Connection portion 22, tongue 64 for coupling with the finger. Thickness (mm) Flat portion 1.5, narrow portion 0.3 Comparative Example 1 The narrow portion is excluded from the bottle described in Example 1 above and a portion having a thickness of 1.5 mm, which like the flat portion is provided in place.
Two of the bottles mentioned in the above are filled with water and transported with the coupling fingers in the respective handle. The bottle according to the present invention described in Example 1, is easily transported due to the flexing of the handle in the upper direction as shown in Figure 5. No fracture or the like was observed in the narrow portion flexible after 20 minutes. repeated bending times. On the contrary, in the bottle described in Comparative Example 1, the handle can not be flexed sufficiently, due to the thickness provided which is the same as the flat portion and consequently caused difficulty in transporting the bottle. The handle was forced to flex during transport of the bottle, which causes fractures and then tearing of the same handle.

Claims (6)

1. A bottle having a handle formed by blow-stretch molding, the handle being formed integrally in a side portion below a threaded portion of a neck of the bottle, at the time when a preform therefor is injection molded. , a portion of the bottle from a distal end of the neck to a lower portion that is thin-formed by blow-stretch molding, characterized in that the grip has a flat shape that extends in a transverse direction and comprises a connected connecting portion. to the neck and a coupling tongue for the ring finger formed at its free end having a width greater than that of the connecting portion, and the connecting portion includes a narrow portion, which is provided transversally at an intermediate portion of the connection portion and has a reduced thickness, making the finger coupling tongue flexible in the po narrowing in the upper and lower directions and the molecular orientation of the resin is formed by the narrow portion.
2. The bottle according to claim 1, characterized in that the bottle comprises a concave portion for coupling the finger provided in the lower part of the bottle on a side opposite to the portion where the handle was placed.
3. The bottle in accordance with the claim 1, characterized in that the bottle is made of polyester resin.
4. The bottle according to claim 1, characterized in that the thickness of the narrow portion is 0.5 millimeters or less.
5. The bottle according to claim 1, characterized in that the inner peripheral edge of the coupling tongue for the ring finger is reinforced by providing a convex edge, which projects in the upper and lower directions around the inner peripheral edge.
6. The bottle in accordance with the claim 1, characterized in that the width of the hole of the tongue for engagement with the ring finger is approximately 5 centimeters or more.
MX9605861A 1995-11-27 1996-11-26 A bottle having a handle formed by blown stretching molding. MX9605861A (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP329,415 1995-11-27
JP7-329415 1995-11-27
JP32941595A JP3098412B2 (en) 1995-11-27 1995-11-27 Bottle with hanging tool by stretch blow molding

Publications (2)

Publication Number Publication Date
MXPA96005861A true MXPA96005861A (en) 1997-08-01
MX9605861A MX9605861A (en) 1997-08-30

Family

ID=18221152

Family Applications (1)

Application Number Title Priority Date Filing Date
MX9605861A MX9605861A (en) 1995-11-27 1996-11-26 A bottle having a handle formed by blown stretching molding.

Country Status (20)

Country Link
US (1) US5862929A (en)
EP (1) EP0775639B1 (en)
JP (1) JP3098412B2 (en)
KR (1) KR100404817B1 (en)
CN (1) CN1067030C (en)
AR (1) AR004764A1 (en)
AT (1) ATE225288T1 (en)
AU (1) AU722130B2 (en)
BR (1) BR9604605A (en)
CA (1) CA2191299C (en)
DE (1) DE69624069T2 (en)
EA (1) EA000114B1 (en)
ES (1) ES2142776T3 (en)
IL (1) IL119681A (en)
MX (1) MX9605861A (en)
MY (1) MY116688A (en)
NZ (1) NZ299814A (en)
SG (1) SG50775A1 (en)
TW (1) TW308572B (en)
ZA (1) ZA969879B (en)

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