KR20040043108A - Blow-molded container - Google Patents

Abstract

Outer layer 11 of synthetic resin which forms a shaped outer shell by blow molding, and inner layer 12 and outer layer of plastic synthetic resin which are freely laminated with the outer layer 11 to form an eyelid The outer layer 11 and the inner layer are formed on the outer layer 11 and are substantially symmetrical about the central axis of the container 1 by adhesive fixing and fixing the inner layer 12 and the inner layer 12 over the entire height range. Consisting of a pair of longitudinal band-shaped regulating bands 15 positioned away from the intake hole 7 through which external air enters between the at least one and the at least one regulating stand 15, which are parallel to each other. By providing a plurality of thin longitudinal band-shaped adhesive strips 14, a bottom-shaped container having sufficient mechanical strength at the bottom and capable of being molded into an ordinary mold and having high productivity is provided. It has uniform and good squeeze deformation and no discomfort And also it provides the appearance of a small vessel of the squeeze-type degradation of the adhesive band is formed.

Description

Blow Molding Containers {BLOW-MOLDED CONTAINER}

In the outer layer forming a shaped outer shell, a laminated peeling synthetic resin container, which is a blow molded bottle generally called delaminated bottles, formed by peeling and freely laminating an inner layer forming a deformable inner bag is known. .

This blow molded laminated peelable resin container is extruded to a laminated parison by coextrusion of an outer layer parison and an inner layer parison having little compatibility with each other. Although the parison is obtained by blow molding, the bottom seal portion, which is pinched off at the pinch-off portion of the blow mold, basically has a lamination structure between the outer layer portion and the inner layer portion, which is almost incompatible. As a result, there was a complaint that the cracking of the floor easily occurred in the outer layer part.

As a conventional technique to solve this problem, the bottom seal portion, which is pinched off by a blow mold pinch-off portion, is molded into a protruding shape along a parting line by polymerizing and pressing a pair of rib pieces. Thus, there is a technique in which the protrusion-shaped object is formed by forming a plurality of dents to dig from one side of the pair of rib pieces to the other (see Japanese Patent Application Laid-Open No. 8-216238).

In this prior art, the bottom seal portion is formed into a protruding shape having a height width, thereby increasing the crimp area between the outer layer and the inner layer in the bottom seal portion, and forming a plurality of dents. In addition to further increasing the compression area between the outer layer and the inner layer, the resistance to shear force parallel to the compression surface is greatly increased, thereby making it possible to obtain a bottom seal portion that is hard to cause floor cracking and has high mechanical strength. It is possible.

However, in the above-mentioned prior art, the bottom crack may occur in the bottom seal part due to the effect of shrinkage with the elapse of the bottom part after completion of blow molding of the container, and particularly in a large container, There was a problem that the floor is often broken when dropped or shocked while charging.

Therefore, although this type of blow molding container needs to complete the contraction, that is, the cooling contraction, in the mold, the bottom seal portion has a large height width and thickness, so that the blow molding container is bulky. There is a problem that the production efficiency of the container is extremely low.

In addition, Japanese Patent Laid-Open No. 57-44063 and Japanese Laid-Open Patent Publication No. Hei 7-22951 disclose a conventional technique for a squeeze-type discharge container which consists of an inner base body and an outer base body containing the inner base body. There is a description.

The prior art disclosed in Japanese Utility Model Laid-Open No. 57-44063 discloses that the internal solution is discharged through a squeeze of the container body by forming a vent hole at the bottom of the container body, and then, External air is introduced in between to maintain the shape of the inner base body deformed, and the container body to return to the original shape by the restoring force.

The prior art described in Japanese Patent Application Laid-Open No. 7-22951 fixes the combination of the outer base and the inner base to allow passage of the inner solution from the inner base, but prevents the entry of external air into the inner solution. A second check valve which permits the passage of external air between the first check valve, the external base and the internal base, but prevents the discharge of external air that enters between the external base and the internal base. The valve is installed.

In addition, by providing a pair of longitudinal bands (vertical and horizontal) in which the outer main body and the inner main body are fixed to each other over the entire height range of the container body, the volume reduction strain of the inner main body is increased in the height direction. It is also generally used to regulate the flow of the internal solution and to smooth the discharge operation.The pair is placed in the position of axis symmetry with respect to the central axis of the body. The method of arranging the adhesive strip is simple and effective.

However, in order to exert a control function of the volume reduction deformation of the inner base body on the bonding table, a bonding table having a certain width is required, but in the portion where the bonding table is formed, the thickness becomes thick, and the body portion of the outer base body has plasticity as a squeeze container. Since it is molded to a relatively thin thickness in order to make it possible, the portion of the bond bar becomes a skeleton shape, the problem that uniform squeeze deformation is hindered, the problem that the user remembers a sense of discomfort in the hand texture, There was a problem that the adhesive resin to be formed is expensive.

In general, the outer surface of the body portion of the container is an important part in terms of the appearance of the product by displaying or decorating a brand name by labeling, printing, etc., but irregularities are formed on the outer surface of the body portion by the formation of the adhesive strip. Or there was a problem in appearance, and there was a problem in appearance that the skeleton-like adhesive strip itself was conspicuous.

In the present invention, the present invention is mainly based on the number of formation of the longitudinal band-shaped bond bars and the position of formation of the adhesive strips that adhere and fix the outer layer (outer body) and the inner layer (inner body). It was created to solve the problem.

Firstly, the present invention provides a technical object of achieving a firm adhesion between an inner layer and an outer layer or an outer layer interposed between an inner layer and a lower layer in the bottom seal portion without increasing the volume of the bottom seal portion. It is an object of the present invention to provide a blow-molded container made of laminated peelable synthetic resin, which has no deterioration in strength and sheet function at the bottom and is excellent in productivity and economy.

Secondly, the present invention provides a squeeze deformation that can be uniformly formed, and the formation of an adhesive zone having a small influence on appearance is a technical problem, and the discharge operation can be smoothly achieved to the end, and the squeeze type synthetic resin having excellent appearance at low cost is excellent. It is an object to provide a blow molding container.

In the present invention, a laminated peelable synthetic resin is formed in which an inner layer forming a deformable inner bag can be peeled freely and laminated in an outer layer forming a shaped outer shell, thereby enabling the discharge and use of the contents solution without changing the appearance shape. The present invention relates to a blow molding container.

In addition, the present invention provides a squeeze-deformable outer base for freely volume-straining inner base to be peeled off so that repeated discharge of the contents can be carried out without sucking external air. It relates to a blow molding container made of synthetic resin.

1 is an overall perspective view showing a part of the first embodiment of the present invention by breaking.

FIG. 2 is a plan sectional view of the embodiment shown in FIG. 1. FIG.

3 is a bottom view of the embodiment shown in FIG. 1.

4 is an enlarged longitudinal cross-sectional view of the bottom of the embodiment shown in FIG.

FIG. 5 is an enlarged view of the bottom seal part in FIG. 4. FIG.

Fig. 6 is an enlarged bottom view showing an example of a combination of both regulating bands in the first embodiment.

Fig. 7 is an enlarged bottom view showing another example of the combination of the two restricting bands in the first embodiment.

Fig. 8 is an enlarged bottom view showing still another example of the combination of the two restrictive bands in the first embodiment.

9 is an overall perspective view showing a part of the second embodiment of the present invention broken.

FIG. 10 is a plan sectional view of the embodiment shown in FIG. 9. FIG.

FIG. 11 is a bottom view of the embodiment shown in FIG. 9. FIG.

12 is an enlarged longitudinal sectional view of the bottom of the embodiment shown in FIG. 9.

FIG. 13 is an enlarged view of the bottom seal part in FIG. 12.

FIG. 14 is an enlarged view of the bottom seal part in FIG. 11.

FIG. 15 is a plan sectional view of FIG. 10 and is an explanatory view showing the deformation transition of the inner layer.

Fig. 16 is an overall perspective view showing a part of the vessel of the third embodiment of the present invention.

Fig. 17 is a half vertical sectional side view showing a state in which a discharge cap body is attached and fixed to a container of a third embodiment of the present invention.

FIG. 18 is a plan sectional view taken along the line A-A in FIG.

FIG. 19 is an enlarged half-sectional side view showing the main part of FIG. 17. FIG.

FIG. 20 is an explanatory diagram showing a deformation transition of an inner layer in the planar cross-sectional view shown in FIG. 18.

FIG. 21 is a bottom view partially showing the bottom of the container of FIG. 16.

FIG. 22 is a side view illustrating one embodiment of a parison blow molded into the container of FIG. 16. FIG.

FIG. 23 is a plan sectional view taken along the line B-B in FIG. 22.

It is explanatory drawing which shows the arrangement of a parison and the bonding stand in the state which pinched off a parison.

[Initiation of invention]

In the present invention, the means of the invention according to claim 1 is made of a plastic synthetic resin that is freely laminated with the outer layer of the synthetic resin forming the outer shell of the mold and freely laminated with the outer layer by blow molding. An intake which insulates the inner layer, the outer layer and the inner layer over the entire height range, infiltrates the outside air between the inner layer and the outer layer formed approximately symmetrically about the central axis of the container and formed on the outer layer. It consists of a pair of control strips of the longitudinal strip shape located avoiding a hole, and consists of a plurality of adhesive strips of the narrow longitudinal strip | belt shape parallel to each other.

In the above-described configuration, the outer layer and the inner layer are fixed to each other over the entire height range, and are arranged between a pair of restrictive bands having a longitudinal band shape positioned substantially symmetrically with respect to the central axis of the container. The intake hole located at the side enables control of the shape of the volume shrinkage deformation of the inner bag formed by the inner layer by the discharge of the contents solution, thereby making it possible to smoothly achieve the discharge operation.

In the bottom part of a container, it becomes possible to adhere | attach and fix the outer layer and inner layer of a bottom seal part by a control stand, and the strength of this bottom seal part is attained.

Here, in the configuration of the present invention, since the regulating stand is formed with a plurality of thin longitudinal band-shaped bonds, the volume reduction strain of the inner layer, which is the width of the regulating stand without expanding the width of the bonding stand itself, is described. It is possible to make the width sufficient for controlling or improving the strength of the bottom seal, and the problem of poor appearance, uniform squeeze deformation caused by expanding the width of the adhesive bar itself, and the user's hand feel It is possible to solve the problem of remembering the sense of discomfort and the problem that the adhesive resin for forming the bonding zone is expensive.

Moreover, in the structure of this Claim 1, what constitutes the at least one control stand of the several longitudinal strip | belt-shaped adhesive band which became parallel to each other is one of the control stand | bases of a pair of control stand | substrate. It is because the effect of the said Claim 1 is exhibited also by constructing an adhesion board, In the structure of this invention, both the control boards can be comprised by several bonding zones according to the purpose of use of a container, etc., and only one side It is also possible to configure the control band of a plurality of bonding zones.

In the invention according to claim 2, in the invention according to claim 1, a pair of regulating zones are positioned on opposite sides of the parting line and blow-split at the bottom of the container. The lower edges of the two restraints in the bottom seal portion which are pinched off and formed flat by the pinch-off portion of the metal mold are positioned to face each other.

Since the container is blow-molded with a blow split mold having a conventional pinch-off portion structure, the bottom seal portion, which is a pinch-molded portion formed at the bottom portion, has a pair of rib protrusions having a low protrusion height, similar to a conventional blow molded article. The piece is in the shape of a protruding nail formed by polymerization, and both rib-protrusion pieces are welded to each other by polymerization of the inner layers.

As such, the volume of the bottom seal portion is sufficiently small, like the bottom seal portion of a conventional blow molded article, so that cooling to the bottom seal portion in release of the container can be achieved quickly and sufficiently. It becomes possible.

The two restraints placed on opposite sides of the parting line are positioned at the front end (pinch forming part) of each rib protrusion of the bottom seal portion located on the parting line. In the rib protrusion piece in which the lower edge is located, the outer layer and the inner layer are firmly bonded and fixed in the width range of the lower edge of the control stand.

In the lower edge of the control stand, the outer layer and the inner layer are firmly bonded and fixed, and the three parts at the left and right ends of the bottom seal portion are deformed at the bottom seal portion of the laminate comprising the outer layer and the inner layer. Even in the part where the junction part fulfills the function and there is no restraint of the bottom seal part, the deformation in the outer layer and the inner layer alone is suppressed, and as a result, even when a force is applied to the bottom seal part, it can withstand this force. It is possible to prevent cracking of the bottom seal portion.

Similarly, by spacing a plurality of bonding bars constituting the control stand, it is possible to widen the width range of the control stand, thereby reliably exhibiting the function as a joint, thereby effectively suppressing deformation in the outer layer and the inner layer alone. It is possible to obtain a sufficient breaking prevention effect.

In addition, since at least one of the regulating bands is composed of a plurality of thin bands, the amount of the expensive adhesive synthetic resin consumed to form the regulating band of the desired width can be significantly reduced, It is possible to allow the opposite positional relationship of the lower edges of both regulators to be set freely without requiring strict positioning.

The means of the invention according to claim 3 adds to the configuration of the invention according to claim 2 that constitutes each of the two regulatory zones in a plurality of bonding zones.

In the invention according to claim 3, since both regulating bands are composed of a plurality of bonding bars, respectively, it is possible to form a large regulating band with a small amount of adhesive synthetic resin, and also to easily change the width of the regulating band. Can be set.

The means of the invention of Claim 4 adds the structure of invention of Claim 3 to which both regulating boards comprised the same number of bonding bands.

In the invention according to claim 4, since both regulating bands are constituted by the same number of bonding bands, it is possible to form a large regulating band with a small amount of adhesive synthetic resin, and also to simplify the width of the regulating band. Since it is possible to change and set the lower edges of the bonding bars of the two regulating bands, one to one, it is easy to set the opposing postures of the lower edges of the two regulating bands.

The means of the invention as set forth in claim 5 is a lower end of the bond as configured in the configuration of the invention as set forth in claim 2, 3, or 4 in the entire area of the lower edge of each bond stage constituting one regulatory zone. At the edge, abutting and facing each other is added.

In the invention according to claim 5, since the entire area of the lower edge of at least one of the control stands is located very very close to the other control band through the inner layer welded, In this case, the bottom seal portion in which the bottom edge of the regulator is positioned can be firmly bonded.

The means of the invention according to claim 6, in the configuration of the invention according to claim 2, 3 or 4, the lower edge of each bonding table constituting one of the restraints, and the lower edge of the bonding table constituting the other restraint, The maximum shift is made until the inner layer part of the degree which does little bending deformation is located in between is added.

In the invention according to claim 6, even if a maximum misalignment occurs between the lower edges of the opposing bonding tables, the maximum displacement of the inner layer portion with the least degree of warpage deformation occurs between the lower edges. Since the inner layer hardly deforms, the rib protrusion piece that bonds the outer layer and the inner layer to each other in the bond zone is almost inflexibly coupled to the inner layer that is almost unstrained. The two rib protrusion pieces at which the lower edge of the control stand is positioned and the bottom seal portion at which the other rib protrusion pieces are located adjacent to each other adjacent to the rib protrusion pieces are stable and kept constant without being easily deformed. do.

As described above, since the posture of the bottom seal portion where the lower edge of the control stand is located is kept stable and constant, the external force acts to peel the outer layer and the inner layer bonded to the bottom seal portion. Almost none, the bonding state between the outer layer and the inner layer remains relatively stable.

In the invention according to claim 7, the means of the invention according to claim 2 comprises a pair of regulating bands, each of a pair of bonding bands, and the total width of the lower edge of each bonding table is set to the lower edge of the bonding table on the opposite side and one to one. It is located in the opposite position to the shape which abuts.

According to the above-described configuration, the two edges of the pair of bond bars constituting one regulating band are positioned on opposite sides of the parting line, and at the same time, the width of the bottom edges of the bond bands on the bottom seal portion. In the shape of abutting the lower edge of the bonding table on the opposite side in a one-to-one manner, and in these two abutting portions, the outer layers on both sides of the parting line and the inner layer fitted to both outer layers are the lower ends of the bonding table. In the range of the width of the edge, it is in a state of being firmly bonded and fixed through the bonding table.

In the region between the contact portions of the two bonding bars, there is no bonding table, but since the outer layer and the inner layer are firmly bonded through the bonding table on both sides, the outer layer and the inner layer are integrated. As a result of the deformation, as a result, the width of both the adhesive strips and the width of the portion between the adhesive strips can be adjusted, that is, the range of the width of the regulating band can be made into the adhesive fixing part in which the outer layer and the inner layer are firmly bonded.

The three places of the left and right ends of the control section and the bottom seal as described above fulfill the function of the joining portion against deformation in the bottom seal portion of the laminate composed of the outer layer and the inner layer. Even in the portion, deformation in the outer layer and the inner layer alone is suppressed, and as a result, even when a force is applied to the bottom seal portion, it is possible to counteract this force, thereby making it possible to prevent the bottom seal portion from breaking. However, it is possible to make the width of the control stand an adhesion fixing part, and the function as a joining part can be exhibited certainly, and since the deformation | transformation in an outer layer and an inner layer alone is suppressed effectively, sufficient cracking prevention effect can be acquired.

As described above, the width of the gluing rod and the width of the portion between the gluing rods is combined, that is, the outer layer and the inner layer are integrated in the area of the width of the binding bar. It is possible to reduce the amount of the adhesive material having a high material cost.

The restraint band located over the entire height range fulfills the function of regulating the deformation of the inner layer, so that the discharge of the contents can be smoothly achieved.

As for the means of the invention of Claim 8, in the invention of Claim 2, 3, 4, 5, 6, or 7, WHEREIN: The part of the inner layer which can shrink and deform the width | variety of the control stand in a trunk | drum is a liquid At the stage of using, it is to set up to accurately block the flat section of the body of the container.

According to the above-described configuration, the body flat cross section in the state in which the liquid still remains can be prevented from complete dent deformation, and the body flat cross section is completely crushed in the state in which the contents are completely used. It is possible to use almost the entire amount of the liquid content while securing the flow passage of the liquid and maintaining good dischargeability.

In the invention described in claim 2, 3, 4, 5, 6, 7 or 8, the means of the invention described in claim 9 has two positions near the parting line with the intake hole substantially axisymmetric with respect to the central axis of the container. In the outer layer of the

According to the above-described configuration, since the outside air intrudes from the intake hole set near the parting line, it becomes possible to more symmetrically advance the concave deformation of the inner layer, thereby achieving smooth discharge of the contents solution. You can do it.

According to the invention according to claim 10, in the invention according to claim 1, the outer layer forms an outer basic body having a squeeze-deformable and restorative plasticity, and the inner layer contains the contents solution therein, It is to form the internal base body which is freely volume-strained by reduction, and what constitutes each of a pair of control stand by a pair of adhesive stand.

The container of the said structure of Claim 10 can provide the squeeze type discharge container as a container main body. The longitudinal band-shaped regulating stand is formed by a pair of bonding stands and a portion where the outer layer and the inner layer are not bonded (hereinafter, referred to as a portion between the bonding stands), but the pair of bonding stands and In the whole width | variety which joined between the bonding bands, it has the effect of regulating the volume shrinkage deformation of an inner layer.

When the regulator is formed in a pair of approximately symmetrical axes with respect to the central axis of the outer main body over the approximately full height range of the container main body, the inner main body is freely regulated in volume shrinkage, and is viewed from the planar section of the body. In the process of discharging the contents of the liquid by squeeze operation while flatly deforming the central portion of a pair of non-bonded inner layer portions (hereinafter referred to as inner layer deformation portions) located on both sides of the control stand. Therefore, the volume shrinkage deformation of the internal base proceeds.

Here, although the pair of longitudinal strip-shaped adhesive strips forming the regulation band is formed by the blow molding process, the width of the regulation band can be reduced within the allowable range from the viewpoint of technical and productivity in this process. This thickness can be thickened to ensure uniform squeeze deformation over the entire body portion of the container, and can also eliminate the discomfort of the texture caused by the skeletal longitudinal bar at the time of pressing.

Moreover, although the usage-amount of the adhesive resin which forms an adhesive stand can also be reduced, since this adhesive resin is usually expensive, material cost can be kept low.

According to the invention of claim 10, in the invention according to claim 10, the inlet cylinder is different from the inlet cylinder with a discharge cap body provided with a first check valve portion for preventing the backflow of the contents liquid into the internal body and the entry of external air. And a second check valve section for opening and closing the intake hole so as to prevent the discharge of air from the intake hole and to fix it, which is used as a discharge container.

According to the configuration described in claim 11, it is possible to provide a squeeze-type discharge container that prevents the ingress of external air, in particular. That is, after discharging the contents by the squeeze of the container, when the squeeze is stopped and the pressure is released, the first base check valve installed in the discharge cap body starts to recover to its original form by elastic recovery force. The discharge of the contents is stopped by the negative function, the reverse flow of the contents into the internal body and the inflow of external air are stopped, and the internal body remains in the state of volume reduction, so Between the layers between the inner layer and the inner layer, external air is introduced to restore the outer base body to its original shape.

When the outer base body is squeezed again from the state restored to its original shape, since the air between the layers is sealed by the second check valve part, this air is pressurized, and a pressure is applied to the inner base body, Is discharged.

Since there is no inflow of external air into the inner body by the first check valve part, air does not accumulate in the inner body, and therefore the liquid is always located in the inlet tube part. Even when used in a posture, the contents solution can be discharged quickly and easily, and problems such as decomposition of the contents solution by air and oxidative degradation can also be prevented.

In addition, although the installation position of a 2nd check valve part is not specifically limited, For example, when forming an intake hole in an inlet cylinder part, there exists a method of laying in the position which opposes this intake hole of a discharge cap body.

The means of the invention according to claim 12 is, in the invention according to claim 10 or 11, a configuration in which one restrictor is provided in the vicinity of the right and left parting line of the container.

According to the configuration described in claim 12, by placing the restraint near the parting line, a label is normally attached to the front part of the container, or the front and rear surfaces of the body part perpendicular to the parting line for printing can be made smooth. This makes it possible to provide a container having a good appearance and a high merchandise.

The invention means according to claim 13 is, in the invention according to claim 12, wherein the left and right center lines of the control stand are located on the parting line.

According to the configuration described in claim 13, it is possible to purify the restraint table at a position of 90 ° from the front of the container, thereby making it possible to further improve the appearance, and deform the inner layer to the line connecting the left and right parting lines. It becomes possible to make it symmetrical with respect to it, and favorable operability and discharge | release property can be obtained.

A means of the invention according to claim 14 is that in the invention of claim 12, the left and right center lines of the control stand are shifted on the parting line.

Since the container is usually blow-molded with a blow molding split mold having a pinch-off part structure, the bottom seal portion of the container formed by the bottom pinch-off part has a sandwich shape in which the inner layer is formed from both sides to the outer layer. The inner layer and the inner layer are peelable.

Here, the bottom seal portion is pinched off in a flat shape by sandwiching a cylindrical parison from the pinch-off portion of the divided mold in a direction perpendicular to the direction of the parting line. Therefore, in the case where the left and right center lines of the control stand are shifted on the parting line in the container and formed, the bonding table positioned farther from the parting line among the pair of joining bars forming the control stand is left and right length in the bottom seal portion. It is located in the near part by the center of the direction.

For this reason, the part which the inner layer and the outer layer adhere | attached can be formed in two places close to the center of a bottom seal part, and this bonding part and four places of the left and right ends of a bottom seal part are the outer layer and an inner layer. Deformation at the bottom seal portion of the laminate consisting of the above-described function of the junction portion, and even if any force is applied to the bottom seal portion, it is possible to counteract this force, it is possible to more surely prevent the breakage of the bottom seal portion Done.

The means of the invention according to claim 15 is to make the trunk portion a circular cross-sectional shape in the invention according to claim 10, 11, 12, 13 or 14.

According to the configuration described in claim 15, if the trunk is cylindrical, a squeeze container can be used without worrying about the holding direction, and in the case of a circular shape, in comparison with a flat cross-sectional shape such as an elliptical shape or an elongated circular shape, In order to obtain a good discharge operation, the width of the control board must be set wide. However, in this configuration, the control board is formed by a pair of longitudinal band bond bars, so that the wide control board interferes with the uniformity of the squeeze deformation. Instead, a squeeze container having a cylindrical body having the same squeeze property in any direction can be provided.

The means of the invention according to claim 16 is, in the invention of claim 10, 11, l2, 13, 14, or 15, wherein the body is a flat cross-sectional shape of any one of a circular shape, an elliptical shape, and an elongated circular shape. The width is set to (1/4) (L / 2D1). (L; circumferential length of the flat cross section, D1; diameter of the flat cross section) When the width of the restrictive band is set to be wide, it is at the limit of the dimension of the circumferential length of the inner layer deformation portion in a state where the content solution remains considerably large. Since there is almost no possible part, it becomes difficult to discharge the contents liquid even if the external base body is pressed by hand.

In addition, when the restraint zone is set narrow, the inner layer deformable portion has a sufficient margin, so even if the entire container still has a large amount of liquid remaining, the amount of liquid in the solution is small due to the discharge or storage of the container. In the fragile part, the flat cross-sectional shape of the inner base body is in a state of almost closing the flow passage of the contents liquid, and hence the contents can not be discharged smoothly.

In the case of the circular shape, the length diameter corresponds to the diameter, and in the case of the elliptical shape and the long circular shape, there is a parting line in the direction of the length diameter in consideration of the squeezeability when holding by hand. With the above configuration, by setting the width of the restrictor to (1/4) (L-2D1), the length in the circumferential direction of the inner layer deformation portion is exactly the length of blocking the flat cross section of the body portion by the distortion caused by the volume reduction deformation. Becomes In other words, if the ideal deformation progresses in the entire height direction, approximately the same as the completion of the discharge of the contents solution, the flat cross-section is almost completely distorted in the entire height range of the inner body, so that the good dischargeability and squeeze operation can be achieved. It becomes possible to hold | maintain until the last.

The invention described in claim 17 has an intake hole in the configuration of the invention described in claims 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, l2, 13, 14, 15, or 16, It is added to the outer layer of the inlet cylinder.

In the invention according to claim 17, since the intake hole is formed in the inlet cylinder covered with the cap, the intake hole does not deteriorate the appearance of the container, and the intake hole is cut and formed by post-processing. Since the thickness of the inner layer portion in the inlet tube portion is large, the cut-out molding of the intake hole can be easily performed without opening the hole in the inner layer portion.

Best Mode for Carrying Out the Invention

EMBODIMENT OF THE INVENTION Hereinafter, embodiment of this invention is described, referring drawings.

1 to 5 show the basic configuration of the first embodiment of the container 1 of the present invention, which is a synthetic resin material such as polyethylene / polypropylene and has a required self-shape holding ability. It is a synthetic resin material with low compatibility with the outer layer 11 formed as an outer shell having a shape and the outer layer 11 such as nylon, ethylene vinyl alcohol copolymer, polyethylene terephthalate, etc. The inner layer 12 formed into a free bag shape and an adhesive synthetic resin exhibiting sufficient adhesion to the outer layer 11 and the inner layer 12 are formed over the entire height range of the container 1. It is a blow-molded container which laminated | stacked the vertical strip | belt-shaped adhesive stand 14, and the pair of control boards 15 are formed in front and back of the container 1 by the adhesive stand 14. As shown in FIG.

The trunk portion 3 of the container 1 has a cylindrical shape and is formed on the top of the trunk portion 3 in succession, and the left and right outer layers of the inlet cylinder portion 2 having a spiral protrusion formed on the outer circumferential surface thereof. In part (11), intake holes (7) for introducing outside air between the outer layer (11) and the inner layer (12) are formed, and both restricting bands (15) have these intake holes (7). The bottom part 4 which is located symmetrically in the place which changes the center angle 90 degrees with respect to), and has the bottom wall recessed in the hemispherical shape is formed successively at the lower end of the trunk part 3.

The bottom part 4 (refer FIG. 3, FIG. 4, FIG. 5) forms the leg function part of the container 1 around the bottom wall, and on the parting line 21 in the center of the bottom surface of this bottom wall. The bottom seal portion 22 is formed by polymerizing a pair of rib protrusion pieces 23 pinched off from the pinch-off portion of the blow split mold which is positioned to substantially cross the bottom wall.

The blow molding of the container 1 includes an outer layer parison serving as an outer layer 11, an inner layer parison serving as an inner layer 12 located inside the outer layer parison, and an outer layer parison A pair of longitudinal band-shaped restricting bands are extruded together by extruding together the thin longitudinal band-shaped or longitudinal band-shaped adhesive bars 14 positioned between the inner layer parisons ( The parison formed with 15) is extruded, and the parison is blow molded into the container 1 in a blow split mold.

In blow molding of the container 1, the parison is set in a posture with respect to the blow split mold so that the pair of two restraints 15 are positioned in the mold tightening direction of the blow split mold from the central axis thereof. As shown in FIG. 3, both of the restricting bands 15 reach the bottom seal portion 22 located on the parting line 21 of the bottom portion 4, and therefore, FIG. 4 and FIG. As shown in FIG. 5, the outer layer 11 and the inner layer 12 in the center part where the control stand 15 is located of the both rib protrusion pieces 23 which comprise the bottom seal part 22 which is a cut part. Is firmly adhered and fixed by the control unit 15.

6 shows an example of the combination of the two regulating zones 15 in the first embodiment. One regulating stand 15 is composed of one longitudinal band-shaped bonding table 14, and the other regulating stand 15 is composed of two thin longitudinal band-shaped bonding bars 14. The bonding table 14 of one of the regulating tables 15 is in a posture facing each other between the two bonding tables 14 of the other regulating table 15 in contact with both ends.

Therefore, the bottom edges of the both restraints 15 in the bottom seal portion 22 are the restraints 15 on the other side (the other side) in a state where the outer layers 11 are firmly adhesively bonded to each other by the abutting side ends thereof. In the entire range of the width), the bonding between the outer layer 11 and the inner layer 12 is stably maintained.

Fig. 7 shows another example of the combination of the two regulating bands 15 in the first embodiment. In the structure of the both restraint stand 15 of the example of FIG. 6, the lower edge of the bonding stand 14 of the one restraint stand 15 in the bottom seal part 22, and the rest restraint stand 15 are shown. The inner layer part 19 of the grade which hardly performs a deformation | transformation is arrange | positioned between the lower edge of the bonding stand 14 of ().

In the bottom seal portion 22, since the inner layer portion 19 located between the lower edges of each bonding table 14 hardly deflects, the outer layer 11 and the inner layer 12 adhere to each other. Both rib protrusion pieces 23 fixedly bonded to the base 14 are connected to each other by an inner layer portion 19 which is hardly warped, and thus the bottom seal part which is not easily warped. The width of 22) can be set to the larger range of the other regulator 15.

That is, in the case of the example shown in FIG. 7, the two restraints 15 are not directly coupled through the inner layer 12 which is welded and bonded in an immovable manner as in the example shown in FIG. Since the connection through the part of the inner layer 12 which is not deformed is inferior to the example shown in FIG. 6, the floating coupling degree of the regulating stand 15 is inferior to the example shown in FIG. have.

8 shows still another example of the combination of the two regulating bands 15 in the first embodiment. In this example, the two restraints 15 are constituted in the same form by a pair of bond bars 14 arranged at the same width and in the same width, so that the entire lower end edge area of each bond table 14 is the other. Since the opposite ends are positioned in a shape that abuts the lower edge of the bonding table 14 of the other side of the regulating table 15, the bonding of the opposed bonding tables 14 becomes extremely strong, and the bottom seal portion 22 The bond between the outer layer 11 and the inner layer 12 in the most strong is achieved.

Positioning the intake hole 7 on the parting line 21, which is substantially the same distance from both the restraints 15 along the circumferential direction, smoothly and satisfactorily reduces the deformation of the inner layer 12. It is advantageous to make it.

In addition, in the example shown in FIG. 6 and FIG. 7, one bonding table 15 is constituted by one bonding table 14, and the other regulating table 15 is formed by two bonding tables 14. Although the example which comprised was shown, the number of the bonding stand 14 which comprises the control stand 15 is not limited, The number of the bonding stand 14 which comprises the control stand 15 is suitably selected and set as needed. This is also the same in the example shown in FIG.

In addition, in the structure of this invention, what constitutes the at least one control stand 15 with the several band 14 of the longitudinal strip shape parallel to each other is one of the pair of control stand 15. It is because the above-mentioned effect of this invention is exhibited also by making one control stand 15 by the some bonding stand 14, and the example of the combination of both said control stand 15 (FIGS. 6- FIG. As shown in Fig. 8), both the regulating stand 15 can be constituted by a plurality of bonding stands 14 according to the purpose of use of the container, and the like. (14) can also be comprised.

In addition, in the above-described embodiment, the container 1 is described as a two-layer structure of the outer layer 11 and the inner layer 12, but the inner layer 12 is not specific to the single layer structure. For example, it is needless to say that a layer of a synthetic resin having exfoliation property with the outer layer 11 on the outside and a layer of a synthetic resin excellent in solvent resistance inside are formed.

9 to 15 show a second embodiment of the container 1 according to the present invention. The container 1 is a synthetic resin material such as polyethylene or polypropylene, and has a required shape retention ability. It is a synthetic resin material having low compatibility with the outer layer 11 formed as an outer shell and the outer layer 11 such as nylon, ethylene vinyl alcohol copolymer, polyethylene terephthalate, and the like. Two pairs of longitudinal band shapes formed from an adhesive resin that exhibits sufficient adhesion to the inner layer 12, the outer layer 11 and the inner layer 12, and are provided over the entire height range of the container 1. And a blow-molded container in which four bonding tables 14 are stacked in total, and a pair of regulating tables 15 are formed at the front and rear of the container 1 by two pairs of bonding tables 14.

The trunk portion 3 of the container 1 has a cylindrical shape, and is formed on the upper end of the trunk portion 3 so as to be formed in succession, and parting lines on the left and right sides of the inlet cylinder portion 2 having a spiral protrusion formed on the outer circumferential surface thereof. At the portion of the outer layer 11 at the position of 21, an intake hole 7 for introducing outside air between the outer layer 11 and the inner layer 12 is formed.

Four adhesive bars 14 are positioned 14a1, 14a2, 14b1, 14b2, with positions of approximately 90 [deg.] Centered positions with respect to the intake holes 7, among which 14a1, 14b2, 14a2 and 14b1 Two bond bars 14 (l4a1 and 14b1 and 14a2 and 14b2) and the two bond bars 14, which are in the position of axisymmetry and are on the same side of the trunk portion 3 with the parting line 21 as a boundary. ) Is set so that the width | variety of the area | region (henceforth the control board 15 hereafter) which joined the part fitted to is (l / 4) (L-2D). (L; circumferential length of torso section, D; diameter of torso section)

At the lower end of the trunk portion 3, a bottom portion 4 having a bottom wall recessed in a hemispherical shape is formed successively, and the bottom portion 4 (see FIGS. 11 and 12) is formed around the bottom wall. A bottom seal portion pinched off from the blow mold pinch-off portion, which is formed on the parting line 21 and substantially crosses the bottom wall at the center of the bottom surface of the bottom wall ( 22) is formed.

The blow molding of the container 1 includes an outer layer parison serving as an outer layer 11, an inner layer parison serving as an inner layer 12 located inside the outer layer parison, and an outer layer parison Simultaneously extruding the thin longitudinal band-shaped adhesive strip 14 positioned between the inner layer parison and forming a pair of longitudinal band-shaped regulating bands 15 at approximately symmetrical positions with respect to the central axis. The listen is extruded, and the parison is blow molded into the container 1 in a blow split mold.

In the blow molding of the container 1 of the second embodiment, the parison blows so as to position two pairs and four bond bars 14 in the vicinity of the coupling direction of the blow molding split mold from its central axis. The posture with respect to the divided mold is set, and as shown in FIG. 11, the bonding table 14 reaches the bottom seal portion 22 positioned on the parting line 21 of the bottom portion 4.

Further, as shown in Figs. 11 and 14, 14a1 and 14a2 and 14b1 and 14b2 of the bonding table 14 positioned on the opposite side with the parting line 21 as a boundary thereof are one of them. The entire width of the lower edge of the abutment is positioned in a one-to-one contact with the lower edge of the opposite side. (Hereinafter, the portions positioned in a shape in which the two adhesive bodies abut the contact portion 24).

For this reason, as shown to FIG. 13 and FIG. 14, the outer layer 11 of the both sides of the parting line 21 in the part where the contact part 24 is located of the bottom seal part 22 pinched-off-molded. And the inner layer 12 sandwiched between the two outer layers 11 are firmly adhered and fixed by the bonding table 14, and between the portions 18 between the bonding tables 24. Also, both sides thereof are fixed to the abutting portion 24, and the deformation of the inner layer 11 or the outer layer 12 alone is suppressed, and as a result, between the widths of the two bonding tables 14 and the bonding tables. In the sum of the widths of the portions 18, i.e. in the width region of the regulatory zone 15, a firm coupling of the outer layer 11 and the inner layer 12 is achieved.

FIG. 15 is a plan sectional view in FIG. 10 and is an explanatory diagram showing the transition of deformation of the inner layer. In the second embodiment, since the intake hole 7 is located on the parting line 21 of the inlet cylinder part 2, the inner layer 12 is retracted due to a decrease in internal pressure, a decrease in the content liquid 31, or the like. The load deflection is performed by the pair of restraints 15 formed at positions of approximately 90 ° shifts with respect to the parting line 21, while serving as a restraint function, the restraints 14a1 and the restraints 14a2. It progresses to the two inner layer deformation | transformation part 17 located between and between the bonding stand 14b1 and the bonding stand 14b2.

As the discharge of the contents liquid 31 proceeds, the progression of the deformation of the inner layer deformation portion 17 into the flat cross section of the trunk portion 3 firstly shows that the central portion of the left and right inner layer deformation portions 17 is flat. Deformed into a shape, and further deformed, the contact portion is stretched so as to be pressed in a substantially central portion and pressed into the portion in which the liquid solution 31 is formed in the circumferential direction. In this case, the deflection deformation proceeds.

Further, when the discharge of the contents liquid 31 proceeds, and the constriction deformation progresses, the contents cross section is almost completely distorted in a state where the contents liquid 31 almost disappears, but here, the inner layer deformation part 17 The length of is equal to the sum of the diameter (D) of the flat cross section of the trunk portion (3) and the width of the control stand (15), that is, the width of the control stand (15) is equal to (1/4) (L-2D). By setting so that it is possible to stop using the contents liquid 31 while securing the flow path of the contents liquid 31.

Incidentally, in the second embodiment described above, the container 1 is described as a two-layer structure of the outer layer 11 and the inner layer 12, but the inner layer 12 is not specific to the single layer structure. For example, it is needless to say that a layer of a synthetic resin having peelability with the outer layer 11 is laminated on the outside and a layer of a synthetic resin excellent in solvent resistance inside.

16, 18, 20, and 21 show a third embodiment of the container 1 according to the present invention, wherein the container 1 includes an outer layer 11 made of a low density polyethylene resin, and a low density. It consists of an inner layer 12 made of nylon resin having low compatibility with polyethylene resin, and an adhesive bar 15 made of an adhesive resin that exhibits sufficient adhesion to low-density polyethylene resin and nylon resin. .

The container 1 is formed of a cylindrical body having a bottom portion 4, a cylindrical body portion 3, and formed in succession through a shoulder portion at an upper end of the body portion 3, and forming a spiral protrusion on an outer circumferential surface thereof. It is a bottle shape which consists of the inlet cylinder part 2. As shown in FIG.

The height of the container 1 is 160 mm and the diameter of the circular flat cross section of the trunk | drum 3 is 60 mm (indicated by inside diameter).

The outer layer 11 and the inner layer 12 which form the container 1 are laminated | stacked so that exfoliation is possible except the part fixed by the bonding stand 14, and the outer layer 11 is sufficient The outer base body 5 having plastic strength, which is mechanical strength, squeeze deformation, and restorative freedom material, is formed, and the inner layer 12 has a thin inner body body 6 that can exert a volume shrinkage deformation freely. And formed inside the outer base 5 (see FIGS. 16 and 17).

Although FIG. 18 shows the planar cross-sectional view of the trunk | drum 3, at the position of the parting line 21 of right and left of the circular flat section shape of the trunk | drum 3 (it is shown in the upper and lower position in FIG. 18), A pair of regulating stand 15 is formed over the approximately full height range of the container 1.

The regulating stand 15 is constituted by a pair of bonding stands 14 and a portion 18 between the bonding stands therebetween, and the inner base body 6 is formed by the pair of restricting stands 15. Shrinkage deformation is regulated, making squeeze preparation satisfactory.

In addition, in this embodiment, the width | variety of the control stand 15 is 17 mm calculated according to (1/4) (L-2D1), ie, (1/4) D ((pi) -2) circularly, and the bonding table 14 ) Is 2mm wide (D is the diameter and π is the circumference).

Thus, since the restraint stand 15 is arrange | positioned on the parting line 21, the front and back of the trunk | drum 3 which is affixed to the parting line 21 which affixes a label or prints from the front of the container 1 normally. The surface can be made smooth and free of irregularities, and the adhesive strip 14 can be made thin, and since the regulating stand 15 is not conspicuous, a container with good appearance and high merchandise can be provided.

Blow molding of this container 1, as shown in Figs. 22 and 23, the outer parison 63, the inner parison 62 located inside the outer parison 63, Between the outer layer parison 63 and the inner layer parison 62, two pairs of four thin longitudinal band-shaped adhesive strips 14 positioned axially symmetric with respect to the center axis of the parison are simultaneously extruded. The parison 61 is formed, and the parison 61 is formed into the container 1 by using a split mold of blow molding.

In the cylindrical inlet cylindrical portion 2 having the spiral protrusion formed on the outer circumferential surface, the intake hole 7 is axially symmetrical at a position 90 ° from the parting line 21 with respect to the central axis of the outer base body 5. A pair is formed (refer FIG. 16).

17 and 19 show a state in which the discharge cap body 41 is attached and fixed to the container 1 of the third embodiment. The discharge cap 41 has a ceiling wall having an opening cylindrical portion 44 formed at the center thereof, and a cylindrical shape having a ceiling having a spiral protrusion formed on the inner circumferential surface for screwing with the inlet cylindrical portion 2 of the container 1. On the upper surface of the upper cap body 42 and the ceiling wall of the cap body 42, the discharge cylinder 48 formed in succession to the opening edge portion of the opening cylinder portion 44 is formed, The liquid content 31 is discharged to the outside from the discharge port 43 at the front end, and the discharge port 43 is covered by the cover cap 49.

In addition, the discharge cap 41 is attached to the inlet cylinder 2 of the container 1 by screwing, and is formed on the lower surface of the ceiling wall of the cap body 42 by hanging down the seal cylinder piece 48a, The seal circumferential protrusion 45 attached to the lower end of the inner circumferential surface of the tub body 42 is in close contact with the upper end of the inner circumferential surface of the inlet tube portion 2 of the container 1 and the lower end of the outer circumferential surface, respectively, It is closely attached to 1).

In addition, the discharge cap body 41 is normally provided by providing the first check valve portion 46 having the first valve body 46a in the opening cylinder portion 44 of the cap body 42. When the container 1 is closed and exhibits a check function to prevent the entry of external air, and when the container 1 is squeezed out and the contents solution 31 is discharged, the opening cylinder part 44 is opened by the internal pressure of the inner base body 6. ) To open the function.

In addition, the discharge cap body 41 is formed of a second check valve portion 47 at a position aligned with the position of the intake hole 7 formed in the inlet cylinder portion 2 on the cylinder wall of the cap body 42. A second valve body 47a is provided, and the second valve body 47a introduces outside air into the interlayer 16 between the outer layer 11 and the inner layer 12 through the intake hole 7. On the contrary, it has a check function that does not miss the air of the interlayer 16 to the outside.

Next, the use state of the discharge container in which the discharge cap body 41 is provided in the container 1 of the third embodiment will be described. In the discharge container configured as described above, when the container 1 is squeezed, the second valve body 47a is closed, and the pressure in the inner base body 6 containing the contents liquid 31 rises. The first valve body 46a is opened, and the contents liquid 31 is discharged to the outside from the discharge port 43 at the front end of the discharge cap body 41, so that the internal base 6 undergoes volume shrinkage.

Here, the restraint band 15 itself is 17 mm wide and its width is wide, and if the outer band 11 and the inner layer 12 are bonded to each other by laminating the adhesive band 14 over the entire width, plasticity is also provided. As a result, the body portion becomes a skeleton-shaped portion that is hard to deform, as compared to the outer base 5 having a relatively thin thickness, so that the uniform squeeze deformation cannot be made and is held by hand. When squeezing, this skeletal part becomes a texture which remembers a sense of incongruity.

However, in the container 1 of the third embodiment, since the regulating table 15 is formed of the bonding table 14 having a width of about 2 mm, the body 3 of the container 1 is held in a certain direction. Even when squeezed, the same squeeze deformation can be obtained, and the discomfort described above can also be eliminated.

When the squeeze of the container 1 is stopped and the pressure on the torso 3 is released, the outer body 5 begins to recover to its original form by elastic recovery force, and the outer body 5 and The pressure between the inner base body 6, that is, the interlayer 16, decreases. As a result, the inner pressure of the inner base body 6 returns to the external air pressure, and the first valve body 46a closes. The discharge of 31 stops.

When the restoration of the outer main body 5 to its original form is further proceeded, the inner main body 6 opens the second valve main body 47a while maintaining the shape of the volume reduction deformation. Outside air is sucked into the interlayer 16 between the outer layer 11 and the inner layer 12 through this, and peeling of the outer layer 11 and the inner layer 12 proceeds.

FIG. 20 is a plan sectional view of the trunk portion 3 of the container 1 of the third embodiment, illustrating the transition of the deformation of the inner layer 12 (inner base body 6). Looking at the ideal progress of the deformation in a flat cross section, first, the inner layer deformation parts 17a and 17b divided into two sides by the control section 15 are deformed into a flat shape, and the deformation proceeds to form the parting line 21. The contact on the connecting line is carried out, and the volume reduction deformation progresses as the contact proceeds toward the portion where the control section 15 is located.

In this case, the width of the restricting table 15 is set to 17 mm, so that the length of each pair of inner layer deformation parts 17a and 17b in the circumferential direction is 77 mm. By adding the width, by setting the width of the control stand 15 in this manner, even in a state where deformation is considerably advanced, as shown in FIG. 20, until the content solution 31 is substantially gone, the control stand 15 is in the vicinity. Since the flow passage 32 is secured at this point, it is possible to maintain good discharge operation until the end.

Fig. 21 is a bottom view of the container 1 of the third embodiment, but since the container 1 is blow molded into a blow molding divided mold having a pinch-off part structure, the bottom of the container 1 formed in the pinch-off part is formed. In the part 22, the inner layer 12 is sandwiched between the outer layer 11 from both sides, and the outer layer 11 and the inner layer 12 are peelable.

FIG. 24 is an explanatory view showing the position of the bonding table 14 in the parison 61 (left drawing) and the state where the parison 61 is pinched off (right drawing). a) shows the case which matched the left-right center line (center of the width direction) of the control board 15 with the parting line 21, (b) shows the case which shifted away from the parting line 21. As shown in FIG.

Compared to the adhesive bars 14a1, 14a2, 14a3, 14a4 in the case where the center line is arranged on the parting line 21, the case in which the center line is shifted is located farther from the parison 61 and the parting line 21. The bonding zones 14b1 and 14b4 are located closer to the center of the pinch-off portion in the longitudinal direction in the pinch-off state.

For this reason, the part which adhere | attached the inner layer 12 and the outer layer 11 at the two positions closer to the center of the bottom seal part 22 of the container 1 can be formed, and this adhesive part and the bottom seam The total of four left and right end portions of the part 22 fulfills the function of the joining part against deformation in the bottom seal portion 22 of the laminate including the outer layer 11 and the inner layer 12, and the bottom seal portion. Even if any force is applied to (22), it can counter this force and it becomes possible to prevent the bottom seal part 22 from breaking more reliably.

In addition, the flat cross-sectional shape of the trunk | drum 3 is not limited to the circular shape described in the said 3rd Example, It is seen also in the shape generally used for elliptical shape, long circular flat cross-sectional shape, and other blow molding products. The effect of the invention is sufficiently exhibited.

In addition, in the third embodiment, the intake portion 7 is an intake hole 7 formed with a small round hole in the outer base body 11 of the inlet cylinder portion 3, but this intake hole 7 It is not limited to the example, For example, the bottom seal part 22 and the slit formed by providing the pinch-off part in the inlet_cylinder part 2 at the time of blow molding can also be used as the intake hole 7.

[Effects of the Invention]

This invention has the above-mentioned structure, and therefore shows the effect shown below. In the invention as set forth in claim 1, since the regulating stand is formed by a plurality of thin longitudinal band-shaped bonds, the width of the regulating stand is controlled without increasing the width of the joining table itself, or controlling the volume reduction deformation of the inner layer. It is possible to make a sufficient width to improve some of the strength, and the problem of poor appearance, the uniform squeeze deformation is hindered by widening the width of the adhesive bar itself, and the user remembers the discomfort due to the touch of the hand. It is possible to solve the problem, such as the problem that the adhesive resin forming the bonding zone is expensive.

In the invention according to claim 2, since the cooling to the bottom seal portion of the bottom of the container can be achieved quickly and sufficiently, the production cycle of the container can be raised to the same level as a conventional blow molded product.

In addition, it is not necessary to use a special mold in consideration of the mold cooling efficiency, and since a normal mold can be used, a significant reduction in equipment cost can be achieved.

In addition, since the width of the regulation band can be substantially increased without increasing the consumption of expensive adhesive synthetic resins, it is possible to achieve a non-peelable adhesive fixation between the outer layer and the inner layer in a wide range. Thereby, the fall of the mechanical strength of the bottom part by shaping | molding the outer layer and inner layer with the free synthetic resin material can be reliably and sufficiently prevented cheaply.

In addition, by constructing a plurality of bonding bars, it is possible to increase the allowable dimension error in the opposing alignment of the bottom seals at the bottom edges of the two restricting bands, thereby increasing the productivity of the container. Can be.

In the invention according to claim 3, the width of the control stand can be increased more economically, and the width of the control stand can be easily changed and set, and the reinforcement degree of the mechanical strength of the bottom can be set without waste.

In the invention described in claim 4, the same effects as in the invention described in claim 3 can be exhibited, and setting of opposing postures at the lower edges of both regulatory bands becomes easy.

In the invention according to claim 5, since the lower edges of both of the regulators can be almost directly bonded to each other, a very firm adhesive bond of the bottom seal portion where the lower edge of the regulator is located can be securely obtained.

In the invention according to claim 6, since the posture of the bottom seal portion portion at which the lower edge of the control stand is located is relatively stable and kept constant, the bottom seal portion portion is separated from the outer layer and the inner layer to be joined. The external force hardly acts, and the bonding state between the outer layer and the inner layer is relatively stable in a wide range.

In the invention according to claim 7, although four bonding bars are arranged in total, it is a configuration that includes a width between the bonding bars to achieve a firm bond in the width region of the regulation table, and the width of the bonding table can be narrowly set. It is possible to reduce the amount of adhesive material having a high material cost.

In the invention according to claim 8, it becomes possible to use up almost all of the contents while maintaining the flow path of the contents and maintaining good dischargeability.

In the invention as set forth in claim 9, since the outside air intrudes from the intake hole set near the parting line, it becomes possible to proceed the symmetry of the inner layer more symmetrically, so that the discharge of the contents liquid can be smoothly achieved. have.

In the invention as set forth in claim 10, by forming the restricting band by a pair of thin adhesive bands, a portion that is difficult to deform in the shape of the skeleton is not formed, so that it has a uniform and good squeeze deformation and no feeling of discomfort. In addition, it is possible to provide a squeeze-type container having a small deterioration in appearance due to the formation of a bonding table.

In the invention as set forth in claim 11, the discharge cap body provided with the first check valve portion is fixed to the inlet cylinder portion and used as the discharge container, whereby a squeeze type discharge container can be provided that prevents the ingress of external air. .

In the invention according to claim 12, the label is placed near the parting line, so that a label is attached at the front part of the container or the front and rear surfaces of the body part perpendicular to the parting line to be printed are smoothly free from unevenness. This makes it possible to provide a container having a good appearance and high merchandise.

In the invention according to claim 13, since the left and right center lines of the control stand are located on the parting line, the control stand can be positioned exactly 90 degrees from the front of the container, and the appearance can be further improved, and the inner layer The deformation can be made symmetrical with respect to the line connecting the left and right parting lines, so that good operability and discharge property can be obtained.

In the invention of claim 14, by aligning the left and right center lines of the restraint bar on the parting line, the bonding bar is located at the center part more in the bottom seal part, which makes it possible to more reliably prevent the bottom seal part from cracking.

In the invention of claim 15, by making the body part cylindrical, it is possible to provide a squeeze container having the same squeeze property in any direction as well as the operational effect of the regulating band formed by the narrow adhesive strip.

In the invention of claim 16, the flat cross-sectional shape of the trunk portion is any one of a circular shape, an elliptical shape, and an elongated circular shape, and the width of the restricting band is set to a constant width determined by this shape. Emission operation can be secured.

In the invention described in claim 17, the intake hole can be formed without adversely affecting the appearance of the container, and the intake hole can be formed safely and simply by post processing.

Claims (17)

By blow molding, the outer layer 11 of the synthetic resin which forms a shaped outer shell, the inner layer 12 of the plastic synthetic resin which is freely laminated with the outer layer 11, and forms an inner bag, and the The outer layer 11, which is fixed to the outer layer 11 and the inner layer 12 over the entire height range, is formed substantially symmetrically about the central axis of the container 1 and on the outer layer 11. And a pair of regulating bands 15 in the form of longitudinal bands, which are located between the inner layer 12 and the intake hole 7 for injecting external air. A blow molding container comprising at least one regulating stand (15) comprising a plurality of bonding bands (14) in the form of thin longitudinal bands parallel to each other. The blow splitting mold according to claim 1, wherein the pair of regulating bands (15) are located on opposite sides of the parting line (21), and at the bottom of the container (1). A blow molding container in which bottom edges of the two restraints (15) in the bottom seal portion (22) which are pinched off by a pinch-off portion are formed to face each other. The blow-molded container according to claim 2, wherein each of the two restraints (15) is composed of a plurality of bond bars (14). 4. The blow molding container as claimed in claim 3, wherein each of the two restraints (15) is composed of a plurality of bond bars (14) of the same number. The bonding table 14 according to claim 2, 3, or 4, wherein the entire region of the lower edge of each bonding table 14 constituting one regulating stand 15 constitutes the other regulating table 15. Blow molding container which is placed at the bottom edge of the abutment and is opposed to each other. The lower edge of each bonding table 14 constituting one regulating stand 15 is the lower end of the bonding table 14 constituting the other regulating stand 15. A blow molded container positioned opposite to the edge thereof with maximum displacement until the inner layer portion 19 is disposed so as to have little bending deformation therebetween. 3. The lower end of the bonding table 14 according to claim 2, wherein the pair of regulating tables 15 are each constituted by a pair of bonding tables 14, and the entire width of the lower edge of each bonding table 14 is opposite. A blow molded container that is placed in a one-to-one contact with an edge. The part of the inner layer 12 in which the width | variety of the control stand 15 in the trunk | drum 3 can be retracted and deformed in Claim 2, 3, 4, 5, 6 or 7 is the contents liquid ( A blow molding container set so as to accurately block the flat cross section of the trunk portion 3 of the container 1 in the step of using 31). 2, 3, 4, 5, 6, 7, or 8, wherein the intake holes 7 are symmetrical about the central axis of the container 1, and two outer layer portions near the parting line 21. Blow molding container formed in the. 2. The outer layer (11) according to claim 1, wherein the outer layer (11) forms an outer base (5) having a squeeze-deformable and restorative free plasticity, so that the inner layer (12) receives the contents liquid (13) therein, and A blow-molded container in which an inner basic body (6) freely undergoes a volume shrinkage by reduction of the number, and each of the pair of regulating bands (15) is constituted by a pair of bonding bands (14). The discharge cap body according to claim 10, further comprising a first check valve section (46) provided at the inlet tube section (2) to prevent a back flow of the liquid (31) into the inner base body (6) and entry of external air. And a second check valve portion (47) which opens and closes the intake hole (7) so as not to discharge air from the intake hole (7), and is used as a discharge container. The blow-molded container according to claim 10 or 11, wherein a pair of regulating tables (15) are provided near the left and right parting lines (21) of the container (1). 13. The blow molded container as claimed in claim 12, wherein the left and right center lines of the restraints (15) are located on the parting line (21). 13. The blow molding container according to claim 12, wherein the left and right centerlines of the restricting table (15) are shifted on the parting line (21). The blow molding container according to claim 10, 11, 12, 13 or 14, wherein the flat cross section of the trunk portion (3) is circular. The body portion (3) according to claim 10, 11, 12, 13, 14, or 15, wherein the trunk portion (3) is a flat cross-sectional shape of any one of a circular shape, an elliptical shape, and an elongated circular shape, and the width of the restrictor (15) is (1). / 4) Blow molding container set to (L-2D1) (L; circumferential length of flat cross section, D1; diameter of flat cross section). The intake hole 7 is formed outside the inlet cylinder part 2 according to claim 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15 or 16. The blow molding container formed in the side layer 11 part.