KR101667207B1

KR101667207B1 - Manufacturing system for pet bottle equipped with pet grip

Info

Publication number: KR101667207B1
Application number: KR1020150179143A
Authority: KR
Inventors: 이기수
Original assignee: (주)평안매직
Priority date: 2015-12-02
Filing date: 2015-12-15
Publication date: 2016-10-18

Abstract

The present invention relates to a manufacturing system for a PET bottle, in which blow-molding is performed while a PET grip is attached to a prepared unblown PET preform, and to a PET bottle manufactured thereby. According to the present invention, the manufacturing system for a PET bottle having a PET grip, comprises: a PET preform receiving unit including a cap coupling part, a grip coupling part, and an expanding part around an opening unit; a PET preform heating unit including a heater; a grip assembly unit which inserts a PET grip in the grip coupling part of a PET preform; a blowing unit including a mold which stretches the PET preform; and a discharge unit which discharges the blown PET bottle.

Description

BACKGROUND OF THE INVENTION 1. Field of the Invention [0001] The present invention relates to a PET bottle manufacturing system having a PET handle,

The present invention relates to a PET bottle manufacturing system with a PET handle,

More specifically, in the case of a PET bottle used as a bottle or a cooking oil bottle, it is necessary to separate the handle of the PP material when it is exhausted after the contents are exhausted, but it is difficult for the consumer to separate it and the PP In order to solve the problem caused by introducing the process of separating the material handle

To a PET bottle manufacturing system for blow molding by bonding to a PET preform before blowing with a PET handle, and a PET bottle made by the method.

It is a common practice to introduce handles into containers for storing large contents of about 1 liter or more, such as soy sauce bottles, edible oil bottles, etc., so as to enhance convenience for the user.

Techniques associated with the handle of such bottle type containers

Patent Registration No. 10-0691697 (registered date Feb. 28, 2007) There is a pinch grip type bottle container,

This patent discloses a bottle-type container, a so-called pinch grip type bottle-type container for holding a container by dividing a finger accommodating recess into a container main body and gripping the container with a grip.

However, this type of container has a relatively small storage capacity due to the grip portion, and it is inconvenient for a woman to grip the grip portion with one hand and discharge the contents, And there is a problem that the contents may be poured out due to the bottleneck, and thus it belongs to a product group which is not widely used.

On the other hand, Japanese Unexamined Patent Application Publication No. 10-2008-0018175 (published on Feb. 27, 2008) [container handle, handle container and method of manufacturing the same]

The present invention relates to a container with a handle capable of filling a liquid such as a car, and particularly to a heat-resistant container with a handle capable of filling a liquid at a high temperature without deformation of the container and a manufacturing method thereof, The airtight portion is provided between the wall surface around the convex portion for grip attachment and the handle in the concave portion so that the blow moldability is improved and the container and the handle are therefore damaged, cracked, wrinkled, deformed, Which does not cause problems such as thickness unevenness due to the use of the handle, and a manufacturing method thereof.

However, this patent does not disclose a technique related to the introduction of a PET handle such as a PET bottle, so that there is still a problem such as separation and collection.

Next, Japanese Patent Application Laid-Open No. 10-2008-0013582 (published on Feb. 13, 2008) [a PET container having a hole]

This patent discloses a PET container in which a viscous product such as starch syrup, horseradish, or sauce, or a liquid product such as soy sauce or vinegar is contained in a PET container, a separate handle is fastened and fixed for convenient use, The present invention also provides a PET container for a wide-

Also, the technology related to the introduction of the PET handle of the same material as the PET bottle is not proposed. Even if it is assumed that the PET handle is employed, the PET handle must be separately assembled after the PET bottle is completed, have.

Thereafter, Japanese Patent Application Laid-Open No. 10-2003-0036566 (published on May 09, 2003) [Method of Manufacturing Liquid Container]

The method includes the steps of: extruding and supplying a synthetic resin to a first mold for molding a preform having an outer protrusion and a first receiving recess therein to manufacture the preform; Placing the preform within a second mold to form a final formed body of a predetermined shape by expansion of the preform, and coupling an inlet of the preform to a blow injector; Blowing a first receiving recess of the preform through the blow injector to produce the final formed article; And separating the final formed body from the second mold,

The liquid container thus manufactured can provide a structure in which the handle is integrally formed in the preformed manufacturing step, so that it is possible to eliminate the inconvenience of separately manufacturing and attaching the container handle after completion of the product container as the final molding, The manufacturing process of the liquid container can be further simplified and the productivity can be increased.

However, since the preform (preform) integrally injection-molded with the handle is subjected to the reheating of the preform for the subsequent blowing process, it is heated to the handle and deformed in the process of transportation, It is a technique that is difficult to use.

Accordingly, it is an object of the present invention to provide a PET bottle manufacturing system for bonding PET bottles before blowing with a PET handle to perform blow molding, and to provide a PET bottle.

Further, in order to improve the assembling accuracy of the PET preform injection part, the PET preform heating part, the handle assembly part, the blowing part, and the discharge part using the robot arm or the like, And it is an object of the present invention to provide a PET bottle manufacturing system which can form a flange between bonding portions to reduce a defective rate and increase a processing speed.

It is a further object of the present invention to provide a PET bottle manufacturing system in which a PET handle is constituted by a restraining part fitted to a handle coupling part of a PET preform and a grip part connected to the restraining part, .

Further, according to the present invention, the restricting portion of the PET handle is provided with a recess or protrusion which is engaged with an enlarged portion of the handle fitting portion extending from the blowing portion, so that protrusions or recesses corresponding to the handle- And the PET handle is firmly coupled to the PET bottle.

In order to achieve the above object, a PET bottle manufacturing system having an ET handle according to the present invention comprises:

A PET preform insertion portion having a cap engagement portion around the opening, a handle engagement portion, and an extension portion;

A PET preform heating unit having a heater;

A handle assembly for fitting the PET handle to the PET preform grip coupling portion;

A blowing unit having a mold for stretching the PET preform; And

A discharging portion for discharging the PET bottles blown;

.

In the PET bottle manufacturing system having the ET handle according to the present invention

A flange is provided between the cap engagement portion and the handle engagement portion of the PET preform,

The PET handle is composed of a restraining part fitted to the handle coupling part of the PET preform and a grip part connected to the restraining part,

It is preferable that the restricting portion of the PET handle is provided with a recess or protrusion to which the enlarged portion of the handle fitting portion extending from the blowing portion is coupled.

The PET bottle manufacturing system having the PET handle according to the present invention and the PET bottle according to the present invention are combined with the PET preform before blowing with the PET handle and blow-molded, and the PET preform filling part, the PET preform heating part, In the case of the assembly part, the blowing part, and the discharge part, a flange is formed between the cap engagement part and the handle engagement part of the PET preform to improve the assembly accuracy at the handle assembly part using the robot arm or the like, Further, the PET handle is composed of a restraining part which is fitted to the handle coupling part of the PET preform and a grip part which is connected to the restraining part so as to improve the assembling accuracy in the handle assembly part. Further, in the restraining part of the PET handle, The recess or protrusion to which the enlarged portion of the handle extension is coupled It consists of, a projection (intrusion years old) corresponding to the handle coupling of the completed PET bottle portion or recess is formed so that it is possible to firmly grip PET is a chemical bond,

As a result, in case of PET bottles used for bottles of liver and cooking oil, it is necessary to separate the handle of PP material when it is exhausted after the contents are exhausted, but it is difficult for consumers to separate them and the PP material handle It is possible to eliminate the problems caused by the introduction of the separation process, the problem of post-assembly type technology of the PET knob blowing process, and the problem of the integral preform of the PET handle.

1 is a view of a PET preform and a PET handle applied to a PET bottle manufacturing system having a PET handle according to the present invention.
2 is a view of a PET bottle manufactured by a PET bottle manufacturing system with a PET handle according to the present invention.
3 is a schematic diagram of a PET bottle manufacturing system with a PET handle according to the present invention.

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS The present invention will now be described in detail with reference to the accompanying drawings.

While the present invention has been described in connection with certain exemplary embodiments, it is to be understood that the invention is not limited to the disclosed embodiments, but, on the contrary, is intended to cover various modifications and equivalent arrangements included within the spirit and scope of the invention. It is to be understood, however, that the invention is not intended to be limited to the particular forms disclosed, but on the contrary, is intended to cover all modifications, equivalents, and alternatives falling within the spirit and scope of the invention.

In the drawings, the same reference numerals are used for the same reference numerals, and in particular, the numerals of the tens and the digits of the digits, the digits of the tens, the digits of the digits and the alphabets are the same, Members referred to by reference numerals can be identified as members corresponding to these standards.

In the drawings, the components are expressed by exaggeratingly larger (or thicker) or smaller (or thinner) in size or thickness in consideration of the convenience of understanding, etc. However, It should not be.

The terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. The singular expressions include plural expressions unless the context clearly dictates otherwise. In the present application, the term " comprising " or " consisting of ", or the like, refers to the presence of a feature, a number, a step, an operation, an element, a component, But do not preclude the presence or addition of one or more other features, integers, steps, operations, components, parts, or combinations thereof.

Unless defined otherwise, all terms used herein, including technical or scientific terms, have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. Terms such as those defined in commonly used dictionaries are to be interpreted as having a meaning consistent with the contextual meaning of the related art and are to be interpreted as either ideal or overly formal in the sense of the present application Do not.

In the following description, a detailed description of known functions and configurations incorporated herein will be omitted when it may make the subject matter of the present invention rather unclear.

It is to be understood that the first to second aspects described in the present specification are merely referred to in order to distinguish between different components and are not limited to the order in which they are manufactured, It may not match.

3, the PET bottle manufacturing system A having the PET handle according to the present invention includes a PET preform injection unit 10, a PET preform heating unit 20, a handle assembly unit 30, A blowing unit 40, and a discharge unit 50.

PET (polyethylene terephthalate) material is very light and strong, and it is more effective in preserving the contents because it has higher carbon dioxide and oxygen barrier properties than other plastics. It is attracting attention as a food storage container.

As shown in Fig. 1 (A), the PET preform p for the PET bottle manufacturing system A has a cap engagement portion p1 (mainly formed with a female thread) around the upper opening p1, A part p3, and an extension part p4 that forms a receiving part ps.

The flange p3a is provided between the cap engaging portion p2 and the handle engaging portion p3 of the PET preform p so that the opening p1 is normally transported along the conveyor belt with the lower portion of the opening p1 facing downward The restricting portion g1 of the PET knob G in the PET bottle manufacturing system A is inserted exactly through the extension p4 of the PET preform p opposite to the opening p1 of the PET preform p and then caught by the flange p3a, .

The PET knob G is composed of a restricting portion g1 fitted to the grip engaging portion p3 of the PET preform p and a gripping portion p2 connected to the restricting portion,

A supplementary restricting portion g3 for further extending the stretchable portion P4 expanded by stretching is further introduced such as a deformed PET knob Gm in the lower one-dot chain line of Fig. 2, Convenience can be improved when the contents contained in the accommodation space Ps of the bottle P are discharged through the opening P1.

As can be seen in Fig. 1B and its upper one-dot chain line, the restricting portion g1 of the PET knob G (in particular, the restricting portion is a continuous ring type, or the opposite side of the gripping portion g2 is cut and separated ) May be provided with a recess gr to which an enlarged portion of the handle engagement portion P3 of the PET bottle P extended in the blowing portion 40 of the manufacturing system A is engaged . It is possible to introduce the projection into the restricting portion instead of the recess as shown in FIG.

The recess gr (or projection) of this restricting portion g1 is

(Or protrusions) (one or more) (or protrusions) formed on the inner surface of the ring-type restricting portion g1, as in the upper one-dot chain line in Fig. 1 [B]

A recess r2 (one or a plurality of protrusions) (or protrusions) formed upwardly on the bottom surface of the ring-type restraining portion g1 may be formed separately or together, as in the one-dot chain line on the left side of Fig. 1B.

A recess (r3) (one or a plurality of protrusions) (or protrusions) is formed on the inner surface of the complementary restricting portion g3 of the deformed PET handle Gm as shown in the lower one-dot chain line of Fig. 2 Lt; / RTI >

In this way, after the PET bottle (P) blow molding, the PET grips (Gm) and the PET grips (Gm) are firmly fixed by the respective recesses (r1, r2, r3) and the corresponding intrusions (P3p) The degree of durability required by state maintenance can be met.

2, the PET bottle P completed by the PET bottle manufacturing system A of the present invention has an opening P1, a cap engaging portion P2, A coupling portion P3, a flange P3a, an extension P4, and a receiving space Ps. The inner cap PC coupled to the cap engaging portion P2 after the inner cap Pc is inserted into the cap engaging portion P2 for precise content compaction is provided with a connecting band so that the convenience of use can be increased do.

(R1, r2) (r3) of the PET knob G (Gm), as in the detailed view and the modified example (lower left and lower right) in the one-dot chain line around the central PET bottle The enlarged portion, that is, the penetration pawl P3p (P3P) is formed around the PET bottle (P) handle engagement portion P3 (the corresponding recess is provided in the corresponding portion of the handle) Lt; / RTI >

In the case of introducing the deformed PET knob (Gm), the corresponding portion of the blown PET bottle (P) due to the complementary restraining portion (g3) (in the form of a segmented ring or alternatively, A fine recessed portion in which the complementary restricting portion g3 is accommodated is formed.

Next, when the continuous PET preform p is fed along the conveying conveyance unit 10 through the PET preform p feeding unit 10, the PET bottle manufacturing system (A)

The preform p is heated by passing through the PET preform heating unit 20 provided with the heater 20h, particularly the tunnel type heating unit 20, to prepare for the subsequent blowing process. In this heating section, it is preferable that the preform is rotated by the self-excited part and heated uniformly.

In the case of using the articulated robot arm 30r as shown in the left one-dot chain line circle in the handle assembly 30 for fitting the PET knob G to the PET preform p grip fitting portion p3

The gripper of the robot arm 30r holds the end of the grip portion g2 of the PET grip G and moves upwards through the extended portion p4 opposite to the opening p1 of the PET preform p, To be combined.

Thereafter, the mold enters the blowing unit 40 having a mold 40m for stretching the PET preform p, and the blowing process is performed using the pressurized air supplied from the compressor and the stretching rod.

Finally, the finished blown PET bottle P is discharged from the discharge portion 50.

In the above-mentioned PET bottle manufacturing system (A), the PET preform injection part, the PET preform heating part, the handle assembly part, the blowing part, the discharge part, the heater, the robot arm and the conveyor belt are all controlled and controlled through a central control panel such as a microcomputer .

In the above description, conventionally known techniques relating to a conventional blow manufacturing process and apparatus such as a PET preform injection unit, a PET preform heating unit, a knob assembly unit, a blowing unit, and a discharge unit are omitted, but those skilled in the art can easily guess and deduce And can reproduce.

While the present invention has been described with reference to the accompanying drawings, it is to be understood that the present invention has been described with reference to the preferred embodiments thereof, and it is to be understood that the present invention is not limited to those precise embodiments. Modifications, alterations, and substitutions are to be construed as falling within the scope of protection of the present invention.

A: Manufacturing system p: PET preform
P: PET bottle p1, P1: opening
p2, P2: cap coupling portion p3, P3: knob coupling portion
p4, P4: extension ps, Ps: accommodation space
G: PET handle g1:
gr, r1, r2: recess g2:
10: preform insertion part 20: preform heating part
30: handle assembly part 40: blowing part
50:

Claims

A PET preform insertion portion having a cap engagement portion around the opening, a handle engagement portion, and an extension portion;
A PET preform heating unit having a heater;
A handle assembly for fitting the PET handle to the PET preform grip coupling portion;
A blowing unit having a mold for stretching the PET preform; And
And a discharge part for discharging the blown PET bottle,

A flange is provided between the cap engagement portion and the handle engagement portion of the PET preform,
The PET handle is composed of a restraining part fitted to the handle engagement part of the PET preform and a grip part connected to the restraining part,
The PET handle further includes a complementary restraining part (g3) in the form of a segment ring so that the PET preform surrounds the waist of the extension part (P4) stretched from the blowing part to the stretching part,

A recess is formed in the restricting portion of the PET knob to which the enlarged portion of the knob engaging portion extending from the blowing portion is coupled,
A recess r1 formed in the inner surface of the restricting portion g1,
A recess r2 formed upward in the bottom surface of the restricting portion g1,
And a recess (r3) formed also on the inner surface of the complementary restricting portion (g3) in the form of a segment ring,
After the PET bottle blow molding, the firmness of the PET knob is maintained by the recesses of the PET knob and the corresponding penetration of the PET bottle,

An outer cap PC coupled to the cap engaging portion P2 after the inner cap Pc is inserted into the cap engaging portion P2 of the blown PET bottle P through the discharging portion to precisely follow the contents, And a connecting band is provided to increase the usability of the PET bottle.

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