WO2014038921A1 - Contenant sans panneau comprenant une partie fond renforcée - Google Patents

Contenant sans panneau comprenant une partie fond renforcée Download PDF

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Publication number
WO2014038921A1
WO2014038921A1 PCT/KR2013/008175 KR2013008175W WO2014038921A1 WO 2014038921 A1 WO2014038921 A1 WO 2014038921A1 KR 2013008175 W KR2013008175 W KR 2013008175W WO 2014038921 A1 WO2014038921 A1 WO 2014038921A1
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WO
WIPO (PCT)
Prior art keywords
container
panelless
radius
ground
ring
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Application number
PCT/KR2013/008175
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English (en)
Korean (ko)
Inventor
남경우
김정곤
김우민
Original Assignee
주식회사 효성
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Application filed by 주식회사 효성 filed Critical 주식회사 효성
Publication of WO2014038921A1 publication Critical patent/WO2014038921A1/fr

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D1/00—Containers having bodies formed in one piece, e.g. by casting metallic material, by moulding plastics, by blowing vitreous material, by throwing ceramic material, by moulding pulped fibrous material, by deep-drawing operations performed on sheet material
    • B65D1/02—Bottles or similar containers with necks or like restricted apertures, designed for pouring contents
    • B65D1/0223—Bottles or similar containers with necks or like restricted apertures, designed for pouring contents characterised by shape
    • B65D1/0261—Bottom construction
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D1/00—Containers having bodies formed in one piece, e.g. by casting metallic material, by moulding plastics, by blowing vitreous material, by throwing ceramic material, by moulding pulped fibrous material, by deep-drawing operations performed on sheet material
    • B65D1/40—Details of walls
    • B65D1/42—Reinforcing or strengthening parts or members
    • B65D1/46—Local reinforcements, e.g. adjacent closures

Definitions

  • the present invention relates to a container, specifically, having a torso having shape retention, and when the inside is decompressed, this decompression is absorbed by the deformation of the recessed shape of the bottom wall of the bottom and the A panelless container comprising a reinforced bottom that allows for significant absorption of vacuum pressure without unwanted deformation.
  • PET polyethylene terephthalate
  • liquid solution such as a juice drink or a tea that requires sterilization
  • high temperature filling As a method of filling a PET bottle of a liquid solution such as a juice drink or a tea that requires sterilization, there is a method called so-called high temperature filling, and the liquid solution is filled into the bottle at a temperature of about 90 ° C. After sealing by sealing, it cools, and the inside of a bottle becomes a considerable pressure reduction vacuum state.
  • Such liquid products such as juices and isotonic, are often filled in containers while the liquid product is at elevated temperatures, typically 68 ° C. to 96 ° C. and usually about 85 ° C.
  • thermoset containers When packaged in this way, the high temperature of the liquid product is used to sterilize the container when filling the liquid. This process is known as hot filling. Containers designed to withstand the above process are known as hot filled or thermoset containers.
  • a vacuum panel which is a region easily deformed in a recessed shape by intentional pressure reduction is formed on the body part, and the vacuum panel is recessed during pressure reduction.
  • the body wall rigidity is increased to increase the body body.
  • the vacuum panel is not formed in the body portion, and the depressive shape of the bottom wall of the bottom portion is deformed to exert a reduced pressure absorption function. It is necessary to use a synthetic resin bottle that has developed a container different from the existing bottle.
  • the circumferential groove ribs of the trunk portion increase the stiffness and the buckling strength of the trunk portion, and when the inside is decompressed, the shape of the trunk portion is maintained while deforming the larger recessed portion of the bottom portion while maintaining the shape of the trunk portion. R & D is being actively conducted to fully demonstrate this.
  • Patent Document 1 Publication No. 10-2011-0092209
  • Patent Document 2 Publication No. 10-2006-0031606
  • the bottom part in a container without a vacuum panel, includes a ground part, a heel part, and a bottom part on which the container is supported so that the vacuum resistance in the residue of the container meets the demand.
  • the heel portion is adjacent to the inversion ring and surrounds the circumference of the inversion ring as a whole, and the bottom portion receives the vacuum force generated by the inversion ring which surrounds the circumference and the circumference of the depression as a whole so that the bottom without unwanted deformation in the body portion.
  • a technique has been described for a bottom portion structure that allows absorption of vacuum sound pressure by means of a portion.
  • the container when the container is molded by the above structure, desired characteristics are not satisfied in the heel portion of the bottom of the container.
  • One of the characteristics of the heel portion is that the thickness is not formed thick enough to satisfy the problem that it is difficult to uniformly absorb the vacuum sound pressure, and thus it is difficult to overcome the deformation of the body portion.
  • the region called the heel portion of the container is formed with a relatively thin thickness, so that the heel portion deforms or ruptures due to the thin thickness when the drop impact test is performed. I may do it. Deformation of the heel adversely affects the ground portion and significantly impairs the independence of the heat resistant bottle. In addition, if the heel portion is a thin thickness, there is also a problem that the deformation is simply by pressing by hand.
  • the recessed part formed by recessing the bottom wall in the bottle inner direction was arrange
  • Inverted deformation is possible by connecting the recessed circumferential wall portion formed in an upright shape from the immediate vicinity of the inner circumference of the ground portion to the recess, the recessed recessed portion formed in the center of the recessed portion, the upper end of the recessed circumferential wall portion and the base end of the recessed recessed portion.
  • It has a flat ring-shaped inverted wall portion formed so as to be arranged, and by further arranging a circumferential rib wall portion that functions as a circumferential rib at an upper end portion of the recessed circumferential wall portion and a connecting portion of the inverted wall portion, The pressure-reduction absorption function is fully exhibited by this, and the bent edge formed according to the deformed deformation There is a technique to suppress the progress made possible fully restored from the substrate at the same time, depressed deformation state is secured to the free-standing.
  • the above-described technology defines the wall and the inversion ring as a design element, and when the thickness of the heel and the bottom is not maintained at a constant ratio during the molding of the container, the heel deformation occurs to achieve the purpose of absorbing sound pressure at the bottom and independence of the container There are insufficient technical limitations.
  • the present invention has been invented to solve the above problems, the object is to form a thin thickness of the recess 440, the inversion ring 450 provided in the bottom portion to a predetermined thickness and the height of the protrusion of the recess 440 By adjusting the radius (R) of the (H) and the inversion ring 450 to sufficiently absorb the sound pressure by satisfying the optimized surface area, the heel portion 410 is secured in a predetermined ratio, the heel formed in a relatively thin thickness It is an object of the present invention to provide a panelless container including a reinforced bottom part capable of forming a container having negative pressure absorption and independence, and resistant to drop impact, compared to a conventional molded article having a part.
  • the present invention for achieving the above technical problem is a stretch blow molded panelless container 10 that can hold a volume of 200ml to 400ml, the through-shaped opening 110, the thread 120 and the contents are filled
  • An inlet portion 100 having a support ring 130 protruding to facilitate transportation of the container;
  • a shoulder portion 200 which is integrally formed with the inlet portion 100 and is formed to expand in diameter at a lower end thereof;
  • a body part 300 which is integrally formed with the lower end of the shoulder portion 200 in which the diameter is extended and includes a side wall 310 and a plurality of ribs 350;
  • a bottom portion 400 which serves to close the bottom of the panelless container 10 in order to store contents together with the inlet portion 100, the shoulder portion 200, and the body portion 300;
  • the bottom 400 is progressive in the shape of a truncated cone with a top surface 461 substantially parallel to the support surface and a recessed side surface 462 that is a plane inclined upwardly with respect to the longitudinal axis of the center of the container 10.
  • Depression 460 having a smaller radius;
  • a ground portion 420 formed at the lowermost end of the container 10 to support the container to stand upright in contact with a floor;
  • the ground portion 420 and the body portion 300 is integrally formed and molded to form a gentle curve in a convex shape from the ground portion 420, the portion connected to the body portion 300 protrudes in the vertical direction Hill portion 410 is formed so as not to be straight;
  • a ground wall portion 430 which is formed at an inner circumference of the ground portion 420 to form an inclined angle upward;
  • a recessed portion 440 formed at an upper end of the ground wall portion 430 at a protruding height H toward the center of the container;
  • a ring having a radius R, which is raised downward from the rece
  • It provides a compact panelless container comprising a reinforced bottom portion characterized in that the surface area of the concave portion 440 and the inversion ring 450 is formed to be 1600 mm 2 to 2300 mm 2.
  • It provides a compact panelless container comprising a reinforced bottom portion, characterized in that the ratio of the surface area of the concave portion 440 and the inversion ring 450 to the bottom cross-sectional area of the container is 15% to 60%.
  • the heel portion 410, the ground portion 420, the thickness of the ground wall portion 430 is constant, the thickness of the concave portion 440 and the inversion ring 450 is the heel portion 410, ground portion 420 and It provides a compact panelless container comprising a reinforced bottom portion, characterized in that the ground wall portion 430 is composed of 55% to 85% of the thickness.
  • the labeling is easy, and includes a reinforced bottom portion, characterized in that the spacing (L) is formed in a large number from 10mm to 14.5mm so as to withstand sound pressure Provides a small panelless container.
  • Radius (R) of the inversion ring 450 provides a compact panelless container including a reinforced bottom portion, characterized in that formed from 6.5mm to 11mm.
  • Protruding height (H) of the recess 440 provides a compact panelless container including a reinforced bottom portion, characterized in that formed from 9mm to 12mm.
  • the ground portion 420 provides a small panelless container including a reinforced bottom portion, which is formed to support the bottom continuously or intermittently.
  • the inversion ring 450 provides a compact panelless container having a reinforced bottom portion, characterized in that radial ribs are formed on its surface.
  • the inversion ring 450 is formed with a deflection height (IH) that is the shortest vertical distance from the bottom, the deflection height (IH), characterized in that the reinforced bottom portion is characterized in that formed from 5mm to 9mm Provides a small panelless container.
  • the inversion ring 450 is formed to have a predetermined radius of curvature r2 at the point of deflection height IH, wherein the radius of curvature r2 is formed to be 5 mm to 25 mm.
  • a small panelless container including a bottom portion.
  • the concave portion 440 is formed to have a predetermined radius of curvature r1 at the point of the height of the projection (H), the radius of curvature r1 is reinforced, characterized in that formed in 1mm to 5mm Provided is a small panelless container including a bottom portion.
  • It provides a compact panelless container including a reinforced bottom portion characterized in that the ratio of the radius of curvature r2 of the inversion ring 450 to the radius of curvature r1 of the recess 440 is within the range of 3 to 7.
  • It provides a compact panelless container characterized in that the moving distance of the depression during the negative pressure is within the range of 2mm to 7mm.
  • the negative pressure amount of the container provides a small panelless container, characterized in that within the range of 15cc to 35cc.
  • a stretch blow molded panelless container (10) capable of containing a volume of 400ml to 650ml, the through-shaped opening 110, the thread 120 and the support ring 130 protruding to facilitate transportation of the container Inlet portion 100 having a;
  • a shoulder portion 200 which is integrally formed with the inlet portion 100 and is formed to expand in diameter at a lower end thereof;
  • a body part 300 which is integrally formed with the lower end of the shoulder portion 200 in which the diameter is extended and includes a side wall 310 and a plurality of ribs 350;
  • a bottom portion 400 which serves to close the bottom of the panelless container 10 in order to store contents together with the inlet portion 100, the shoulder portion 200, and the body portion 300; Consists of including
  • the bottom 400 is progressive in the shape of a truncated cone with a top surface 461 substantially parallel to the support surface and a recessed side surface 462 that is a plane inclined upwardly with respect to the longitudinal axis of the center of the container 10.
  • Depression 460 having a smaller radius;
  • a grounding part 420 formed at the lowermost end of the container 10 to support the container to stand upright in contact with a floor;
  • the ground portion 420 and the body portion 300 is integrally formed and molded to form a gentle curve in a convex shape from the ground portion 420, the portion connected to the body portion 300 protrudes in the vertical direction Hill portion 410 is formed so as not to be straight;
  • a ground wall portion 430 which is formed at an inner circumference of the ground portion 420 to form an inclined angle upward;
  • a recessed portion 440 formed at an upper end of the ground wall portion 430 at a protruding height H toward the center of the container;
  • a ring having a radius R, which is raised downward from the
  • It provides a panelless container comprising a reinforced bottom portion characterized in that the surface area combined with the concave portion 440 and the inversion ring 450 is formed between 2000 mm 2 and 2900 mm 2.
  • It provides a panelless container comprising a reinforced bottom portion, characterized in that the ratio of the surface area of the concave portion 440 and the inversion ring 450 to the bottom cross-sectional area of the container is 15% to 60%.
  • the heel portion 410, the ground portion 420, the thickness of the ground wall portion 430 is constant, the thickness of the concave portion 440 and the inversion ring 450 is the heel portion 410, ground portion 420 and
  • a panelless container having a reinforced bottom portion characterized in that it is composed of 55% to 85% of the thickness of the ground wall portion 430.
  • the labeling is easy, and includes a reinforced bottom portion, characterized in that the gap (L) is formed in a large number from 12.5mm to 18.7mm to withstand sound pressure It provides a panelless container.
  • Radius (R) of the reversing ring 450 provides a panelless container including a reinforced bottom portion, characterized in that formed from 10mm to 13mm.
  • Protruding height (H) of the recess 440 provides a panelless container including a reinforced bottom portion, characterized in that formed from 9mm to 12mm.
  • the ground portion 420 provides a panelless container including a reinforced bottom portion, which is formed to be continuously or intermittently supported on the bottom.
  • the inversion ring 450 provides a panelless container having a reinforced bottom portion, characterized in that radial ribs are formed on its surface.
  • the inversion ring 450 is formed with a deflection height (IH) that is the shortest vertical distance from the bottom, the deflection height (IH), characterized in that the reinforced bottom portion is characterized in that formed from 5mm to 9mm Provide a panelless container.
  • the inversion ring 450 is formed to have a predetermined radius of curvature r2 at the point of deflection height IH, wherein the radius of curvature r2 is formed to be 5 mm to 25 mm.
  • a panelless container including a bottom portion.
  • the concave portion 440 is formed to have a predetermined radius of curvature r1 at the point of the height of the projection (H), the radius of curvature r1 is reinforced, characterized in that formed in 1mm to 5mm Provided is a panelless container including a bottom portion.
  • a panelless container including a reinforced bottom portion, wherein the ratio of the radius of curvature r2 of the inversion ring 450 to the radius of curvature r1 of the recess 440 is within a range of 3 to 7.
  • the moving distance of the depression during the negative pressure provides a panelless container, characterized in that within the range of 2mm to 7mm.
  • the negative pressure amount of the container provides a panelless container, characterized in that within the range of 21cc to 41cc.
  • the draw blow molded panelless container 10 that can hold a capacity of 1200ml to 1800ml, the through-shaped opening 110, the thread 120 and the filling the contents
  • An inlet portion 100 having a support ring 130 protruding to facilitate transportation of the container;
  • a shoulder portion 200 which is integrally formed with the inlet portion 100 and is formed to expand in diameter at a lower end thereof;
  • a body part 300 which is integrally formed with the lower end of the shoulder portion 200 in which the diameter is extended and includes a side wall 310 and a plurality of ribs 350;
  • a bottom portion 400 which serves to close the bottom of the panelless container 10 in order to store contents together with the inlet portion 100, the shoulder portion 200, and the body portion 300;
  • the bottom 400 is progressive in the shape of a truncated cone with a top surface 461 substantially parallel to the support surface and a recessed side surface 462 that is a plane inclined upwardly with respect to the longitudinal axis of the center of the container 10.
  • Depression 460 having a smaller radius;
  • a ground portion 420 formed at the lowermost end of the container 10 to support the container to stand upright in contact with a floor;
  • the ground portion 420 and the body portion 300 is integrally formed and molded to form a gentle curve in a convex shape from the ground portion 420, the portion connected to the body portion 300 protrudes in the vertical direction Hill portion 410 is formed so as not to be straight;
  • a ground wall portion 430 which is formed at an inner circumference of the ground portion 420 to form an inclined angle upward;
  • a recessed portion 440 formed at an upper end of the ground wall portion 430 at a protruding height H toward the center of the container;
  • a ring having a radius R, which is raised downward from the rece
  • It provides a large panelless container including a reinforced bottom portion characterized in that the concave portion 440 and the inversion ring 450 combined surface area is formed from 2700 mm 2 to 3500 mm 2.
  • It provides a large panelless container comprising a reinforced bottom portion, characterized in that the ratio of the surface area of the concave portion 440 and the inversion ring 450 to the bottom cross-sectional area of the container is 15% to 60%.
  • the heel portion 410, the ground portion 420, the thickness of the ground wall portion 430 is constant, the thickness of the concave portion 440 and the inversion ring 450 is the heel portion 410, ground portion 420 and It provides a large panelless container with a reinforced bottom portion, characterized in that the ground wall portion 430 is composed of 55% to 85% of the thickness.
  • Rib 350 provided in the body portion 300 includes a reinforced bottom portion, characterized in that the labeling is easy, and the interval (L) therebetween is formed in a number from 12.5mm to 21.7mm to withstand the sound pressure Provides a large panelless container.
  • Radius (R) of the reversal ring 450 provides a large panelless container including a reinforced bottom portion, characterized in that formed from 7mm to 13mm.
  • Protruding height (H) of the recess 440 provides a large panelless container including a reinforced bottom portion, characterized in that formed in 9mm to 12mm.
  • the ground portion 420 provides a large panelless container having a reinforced bottom portion, which is formed to be continuously or intermittently supported on the bottom.
  • the inversion ring 450 provides a large panelless container having a reinforced bottom portion, characterized in that radial ribs are formed on its surface.
  • the inversion ring 450 is formed with a deflection height (IH) that is the shortest vertical distance from the bottom, the deflection height (IH), characterized in that the reinforced bottom portion is characterized in that formed from 5mm to 9mm Provides a large panelless container.
  • the inversion ring 450 is formed to have a predetermined radius of curvature r2 at the point of deflection height IH, wherein the radius of curvature r2 is formed to be 5 mm to 25 mm.
  • a large panelless container having a bottom.
  • the concave portion 440 is formed to have a predetermined radius of curvature r1 at the point of the height of the projection (H), the radius of curvature r1 is reinforced, characterized in that formed in 1mm to 5mm Provided is a large panelless container having a bottom.
  • a large panelless container including a reinforced bottom portion, wherein the ratio of the radius of curvature r2 of the inversion ring 450 to the radius of curvature r1 of the recess 440 is within a range of 3 to 7.
  • It provides a large panelless container characterized in that the moving distance of the depression during the negative pressure is within the range of 5mm to 8mm.
  • the negative pressure amount of the container provides a large panelless container, characterized in that within the range of 50cc to 82cc.
  • the panelless container including the reinforced bottom portion of the present invention it is possible to exert a negative pressure absorbing function by the depression of the bottom portion, and to prevent the shrinkage progression of the container due to the negative pressure by the rib of the body and to facilitate the labeling.
  • FIG. 1 is a perspective view of a container according to the present invention
  • Figure 2 is a bottom cross-sectional view in a steady state of the container according to the present invention
  • Figure 3 is a bottom cross-sectional perspective view of the container in a steady state according to the present invention
  • Figure 4 is a bottom cross-sectional view in a negative pressure state of the container according to the present invention
  • FIG. 5 is a bottom cross-sectional perspective view of a negative pressure state of the container according to the present invention
  • 1 to 5 is a panelless container that can hold a dose of 200ml to 400ml which is an aspect of the present invention, a panelless container which can hold a dose of 400ml to 650ml which is another aspect of the present invention, and also of the present invention
  • the small panelless container 10 is a size that can hold a volume of 200ml to 400ml inlet 100, shoulder 200, the body 300, It is configured to include a bottom 400.
  • the panelless container 10 of the present invention is a container that is blow molded and directed from a single layer or multilayer material, such as polyethylene terephthalate resin, to a single biaxially having a single structure.
  • the panelless container 10 may be formed by other methods, for example, from other conventional materials including polyethylene napthalate (PEN) and PET / PEN mixtures or copolymers.
  • a container that can hold a volume of 200ml to 400ml is filled with liquid products such as juice and isotonic at a temperature of about 85 ° C, and then a vacuum generated by a volume difference of about 16cc that occurs when cooling. It must be able to absorb the town pressure sufficiently. More specifically, it should have a negative pressure amount within the range of 15cc to 35cc, and the ratio of the negative pressure amount to the total capacity of the container should be within the range of 5% to 13%, it is possible to perform the filling process, such as beverages smoothly.
  • the bottom 400 adopts an advanced structure.
  • the inlet portion 100 is a threaded portion 120 and the screw thread 120 formed to cover and cover the opening 110 by a screw (not shown) through a through-shaped opening 110, which is an inlet filled with contents. It includes a support ring 130 protruding convexly in a lower side of the).
  • the support ring 130 may be molded in a precursor forming step at the beginning of manufacture, and may be used to hold the support ring 130 to transport a plastic container.
  • the panelless vessel 10 may be moved by a support ring 130, which may be used to help position the precursor in a mold or end users move the vessel 10. It can be used to make.
  • the shoulder portion 200 is formed integrally connected with the inlet portion 100 is extended to extend the diameter to the body portion 300 formed at the bottom.
  • the body portion 300 is formed in parallel in the vertical direction at a predetermined interval between the plurality of ribs 350 and the plurality of ribs 350 roundly molded in the central axis direction around the body portion 300 is formed Consists of a labelable side wall 310, extending from the shoulder portion 200 to the bottom portion 400.
  • the rib 350 When the inside of the container is in a negative pressure state by the cooling after the high temperature filling process, the rib 350 is displaced to contract up and down while preventing the oval deformation of the body portion 300 due to the effect of the depression molding. Efficient sound pressure absorption function is exhibited.
  • Interval between the ribs 350 of the body portion (L) is preferably adjusted to 10mm to 14.5mm.
  • the interval (L) between the ribs 350 is less than 10 mm, the oval deformation of the body part 300 is prevented by the ribs formed with a plurality of sound pressures generated after the beverage is filled in the container, so that the sound pressure control is efficient.
  • the label displaying the advertisement and the characteristics of the product on the body portion 300 the adhesion area is relatively reduced and the label is easily dropped.
  • the body portion 300 is labeled using a PET shrinkage label, even if the gap L between the ribs 350 is less than 10 mm, the problem of falling the above label may be solved. There is a disadvantage that the position of the label may be changed by the up and down shrinkage of the 350.
  • the container of the design having a high filling temperature or a large space of the head space does not completely absorb the sound pressure and thus the body portion ( There is a disadvantage that can be deformed (oval) of 300).
  • the interval between the ribs (L) is preferably adjusted to 10mm to 13mm.
  • the bottom portion 400 of the panelless container 10 to store the contents together with the inlet portion 100, the shoulder portion 200 and the body portion 300 It extends from the body part 300 and closes a floor, and is formed from the heel part 410, the ground part 420, the ground wall part 430, the recessed part 440, the inversion ring 450, and the recessed part 460. .
  • the ground portion 420 is formed at the bottom end of the panelless container 10 to be in contact with the bottom to support the container upright.
  • the ground portion 420 may be formed to support the floor continuously or intermittently.
  • the heel portion 410 is formed outside the ground portion 420 and is formed to be connected to the body portion 300.
  • the shape of the heel portion 410 is formed in a round curve formed from the ground portion 420 is connected to the body portion 300, and has a straight shape that does not protrude outward in the vertical direction. That is, in order to improve the aesthetics of the container 10, the heel portion 410 does not protrude outwards and becomes a straight shape in the vertical direction together with the sidewall 310 to flow flat and consistently.
  • Such alternative embodiment vessels provide a more traditional visual impression and are also capable of carrying larger numbers in parallel loading of the vessels, making them suitable for containers that are sensitive to logistics fluidity.
  • the ground wall portion 430 is rounded at a predetermined angle upward from an inner circumference of the ground portion 420 to be connected to the recess 440.
  • the concave portion 440 is recessed to the center of the container at the upper end of the ground wall portion 430. In this case, it is rounded at a predetermined angle to be connected to the inversion ring 450.
  • the inversion ring 450 has a predetermined radius (R) and is raised downward from the concave portion 440 toward the recess 460 to be connected to the recess 460 in a semicircular shape. That is, it is molded into a ring shape completely surrounding the depression 460.
  • the depression 460 formed at the center of the bottom portion 400 has a top surface 461 substantially parallel to the support surface when viewed in cross section, and a depression side surface that is a plane inclined upward to have a gradual radius with respect to the vertical direction. 462 is provided with a truncated cone shape and is connected to the inversion ring 450. The exact shape of the depression 460 may be greatly changed according to various design criteria.
  • the deformation angle of the recess 440 is increased to cap the container 10, seal it, cool it, and accommodate a change in volume when forming a negative pressure.
  • the inversion ring 450 exhibits a conical shape having a curved surface shape, so that the recessed portion 460 can be flexibly ascended upwardly to absorb the sound pressure.
  • the heel portion 410 is formed to be straight in the vertical direction, and adjusted to a predetermined thickness to sufficiently exhibit the sound pressure absorption function and to improve the independence and aesthetics of the pathogen.
  • the thickness of the heel portion 410, the grounding portion 420, the ground wall portion 430 is formed to increase the durability and independence of the container, and the thickness of the recessed portion 440, the reverse ring 450 is relatively To form a thin as it is to increase the absorption function of the vacuum sound pressure by flexibly pushing the depression 460 to the upper side inside.
  • the thickness of the bottom portion 400 is defined as a ratio.
  • the thickness of the concave portion 440 or the inversion ring 450 that absorbs the sound pressure to the thickness of the heel portion 410, the ground portion 420, the ground wall portion 430 that is responsible for the durability of the container 10 is 55.
  • the composition is at a level of% to 85%.
  • the bottom portion 400 When the thickness of the concave portion 440 and the inversion ring 450 is less than 55% of the thickness of the heel portion 410, the ground portion 420, and the ground wall portion 430, the bottom portion 400 facilitates sound pressure. Absorption is possible, but there is a difficulty in securing the buoyancy due to the thin thickness during blow molding of the container.
  • the thickness of the concave portion 440 and the inversion ring 450 exceeds 85% of the thickness of the heel portion 410, the grounding portion 420, and the ground wall portion 430, the bottom portion during blow molding of the container ( It is easy to secure the formation of the buoyancy (400), but due to the thick thickness of the fluid (flexible) is not secured because it does not play a role to absorb the negative pressure, after filling the beverage Oval (oval) deformation of the container 10 is generated, the label is It is impossible to commercialize because of its poor commerciality due to a drop in aesthetics such as falling easily.
  • the bottom portion 400 is formed in a predetermined ratio so that its overall configuration is "M" shaped when viewed in sectional view so as to withstand sound pressure sufficiently.
  • the height of the container and the diameter of the bottom may be different depending on the design formed in the container. That is, even if a container that can hold the same capacity, if the height of the container is low, the diameter of the bottom should be relatively high.
  • the upward displacement of the recess 460 due to the increase in the deformation angle of the recess 440 is increased to absorb the negative pressure, so that when the lid is removed and opened, the recess 460 is upward.
  • the problem is that the filling liquid leaks because the liquid level filled in the container is not lowered as a result of recovery from the displaced depression deformation state.
  • the concave portion 440 and the inversion ring 450 are deformed to substantially absorb sound pressure, and the protrusion height H of the concave portion 440, the radius of curvature of the concave portion r1, and the inversion ring deflection height. (IH), the radius of curvature r2 of the reversal ring, and the radius R of the reversal ring 450, the surface area of the recess 440, the reversal ring 450 and the recess 440 and the reversal ring ( The shape produced by 450 is determined.
  • the protrusion height H is a value measured at the point where the vertical distance from the bottom to the recess 440 is the maximum, and the inversion ring deflection height IH is the vertical distance from the bottom to the inversion ring 450. Is the value measured at the point where is the minimum.
  • the radius of curvature r1 of the concave portion is a value at the projected height H measurement point, and the radius of curvature r2 of the reversing ring is the height of the inversion ring deflection height IH. The value at the point.
  • the surface area of the concave portion 440 and the inversion ring 450 will depend largely on the volume of absorbable volume that the container 10 can absorb.
  • the concave portion 440 and the inversion ring 450 which are deformed to substantially absorb sound pressure, are preferably formed with a surface area of 1600 mm 2 to 2300 mm 2 in total in a curved state in a steady state, more preferably the concave.
  • the portion 440 and the inversion ring 450 may be formed to have a surface area of 1800 mm 2 to 2100 mm 2 combined in the curved state in the normal state.
  • the bottom portion When the surface area of the concave portion 440 and the reversal ring 450 is less than 1600 mm 2, the bottom portion may not be formed to be flexible, and when the surface area of the concave portion 440 and the reversal ring 450 is less than 1600 mm 2, the bottom portion may not be restored as described above, or the filling liquid may leak. It is difficult to commercialize due to problems and loss of independence.
  • radial ribs may be provided to the inversion ring 450, or the bottom part 400 may be radially embodied.
  • the number of radioactive ribs on the bottom may be formed as many as necessary, but when the number of ribs is too large, there is a disadvantage in that the fluidity of the bottom is reduced.
  • the ratio of the surface area of the concave portion 440 and the inversion ring 450 in combination with the bottom cross-sectional area of the container is 15% to 60%, and more preferably 20% to 35% (wherein the bottom of the container
  • the cross-sectional area refers to the area that the container occupies substantially the bottom when the container is placed on a flat surface, and is a radius of the shortest distance from the central longitudinal axis to the outermost part of the grounding part 420. Cross-sectional area).
  • the sound pressure absorption degree of the bottom portion is insufficient, it may be difficult to achieve the target sound pressure, if more than 60%, the degree of bending of the concave portion 440 and the inversion ring 450 will be very severe, inversion There may be problems with ring restoration, problems with leakage of filler fluid, loss of independence, etc.
  • the inversion ring deflection height IH is 5 mm to 9 mm
  • the radius of curvature r2 of the inversion ring is 5 mm to 25 mm
  • the protrusion height H of the concave portion is 9 mm to 12 mm
  • Silver is preferably formed from 1mm to 5mm.
  • the sound pressure absorption efficiency and the inversion ring 450 are varied depending on the curved shape of the recess 440 and the inversion ring 450. This is because commercialization factors, such as restoration and independence, can vary greatly.
  • the recess 440 and the inversion ring 450 are preferably bent at an appropriate angle and shape, and the inversion ring deflection height IH, the radius of curvature r2 of the inversion ring, and the protrusion of the concave portion.
  • the height H and the radius of curvature r1 of the recess 440 may be adjusted within the above range.
  • the radius of curvature r2 of the inversion ring relative to the radius of curvature r1 of the recess is preferably within the range of 3 to 7, more preferably within the range of 4 to 6. If it is less than 3, the refraction angle of the inversion ring becomes relatively severe, which may not only cause problems in the restoring force but also adversely affect the degree of sound pressure absorption. Excessive stress is applied to the recesses, which may result in leakage of the filling liquid.
  • the moving distance of the recessed portion at the time of the negative pressure is within the range of 2mm to 7mm (the movement distance of the recessed portion is measured by the movement distance of the top surface). If it is less than 2 mm, it may be difficult to achieve the target negative pressure amount, and if it is more than 7 mm, the level of change in the liquid level of the beverage is too large in the filling step of the beverage, and the beverage may flow out of the filling step of the beverage.
  • the depression 460 has a diameter of about 10.7 mm, an inversion ring deflection height IH of about 7.28 mm, and a radius of curvature r2 of the inversion ring about 10.52. mm, the radius of curvature r1 at the height of the concave portion H is formed to be about 1.98 mm, and the radius of the inversion ring 450 is in the range where the surface area of the inversion ring and the concave portion satisfies 1600 mm 2 to 2300 mm 2.
  • R pathogens of 6 mm, 7 mm, 8 mm and 10 mm were prepared, respectively, and the pressure-absorbing capacity measurement test for the radius R of the inversion ring 450 was performed.
  • Table 1 below is an example of containers showing the principles and concepts described above.
  • Table 1 shows the absorption capacities of the containers having different radii as the absorption capacities (cc) relative to the radius R of the inversion ring 450.
  • a container which can generally contain a volume of 200ml to 400ml sufficiently absorbs the vacuum town pressure generated by filling the container with the contents solution at a temperature of about 85 ° C. and having a volume difference of at least about 16 cc generated during cooling. You should be able to.
  • the panelless container 10 according to the present invention preferably has a radius R of the inversion ring 450 of 6.5 mm to 11 mm.
  • the inversion ring 450 protrudes further downward than the ground portion 420 and loses the independence of the container. Due to the surface area, it is difficult to commercialize because the floor is not easily formed during blow molding.
  • the radius R of the reversing ring 450 is 8 mm, and the remaining conditions except for the protrusion height H of the recess 440 are formed in the same manner as in Example 1, but the recess 440 as shown in Table 2 below.
  • Different kinds of bottles were prepared in accordance with the protrusion height H, and the pressure-sensitive absorption capacity measurement test was performed for the protrusion height H of the concave portion 440.
  • Table 2 below is an example of containers showing the principles and concepts described above.
  • Table 2 shows absorption capacities of containers having different heights as absorption capacities (cc) relative to the protrusion height (H) of the concave portion 440.
  • a container that can contain a volume of 200ml to 400ml can sufficiently absorb the vacuum town pressure generated by the volume difference of about 16cc generated after cooling the container with the contents at 85 ° C.
  • the difference in volume absorption amount according to the protrusion height (H) of the concave portion 440 is insignificant, and satisfies the volume absorption amount of 16 cc.
  • the inversion ring 450 protrudes further downward than the ground portion 420, resulting in a loss of independence of the container.
  • the container may not have a compact shape, and the portion due to the thin thickness of the heel portion 410 and the ground portion 420 during blow molding of the container may not be obtained. There will be difficulties in securing formation.
  • the protrusion height H of the recess 440 is 9 mm to 12 mm.
  • the protrusion height H of the concave portion 440 is formed to be 10mm to 11mm.
  • the panelless container 10 is a size that can hold a capacity of 400ml to 650ml inlet 100, shoulder 200, the body 300, the bottom And 400.
  • the panelless container 10 of the present invention is a container that is blow molded and directed from a single layer or multilayer material, such as polyethylene terephthalate resin, to a single biaxially having a single structure.
  • the panelless container 10 may be formed by other methods, for example, from other conventional materials including polyethylene napthalate (PEN) and PET / PEN mixtures or copolymers.
  • a container containing a volume of 400 ml to 650 ml is a vacuum produced by filling a liquid product such as juice and isotonic at a temperature of about 85 ° C. and about a volume difference of about 22 cc generated during cooling. It must be able to absorb the town pressure sufficiently. More specifically, it should have a sound pressure amount within the range of 21cc to 41cc, and the ratio of the sound pressure amount to the total capacity of the container should be within the range of 4% to 9%, it is possible to smoothly perform the filling process such as beverage.
  • the bottom 400 adopts an advanced structure.
  • the inlet portion 100 is a threaded portion 120 and the screw thread 120 formed to cover and cover the opening 110 by a screw (not shown) through a through-shaped opening 110, which is an inlet filled with contents. It includes a support ring 130 protruding convexly in a lower side of the).
  • the support ring 130 may be molded in a precursor forming step at the beginning of manufacture, and may be used to hold the support ring 130 to transport a plastic container.
  • the panelless vessel 10 may be moved by a support ring 130, which may be used to help position the precursor in a mold or end users move the vessel 10. It can be used to make.
  • the shoulder portion 200 is formed integrally connected with the inlet portion 100 is extended to extend the diameter to the body portion 300 formed at the bottom.
  • the body portion 300 is formed in parallel in the vertical direction at a predetermined interval between the plurality of ribs 350 and the plurality of ribs 350 roundly molded in the central axis direction around the body portion 300 is formed Consists of a labelable side wall 310, extending from the shoulder portion 200 to the bottom portion 400.
  • the rib 350 When the inside of the container is in a negative pressure state by the cooling after the high temperature filling process, the rib 350 is displaced to contract up and down while preventing the oval deformation of the body portion 300 due to the effect of the depression molding. Efficient sound pressure absorption function is exhibited.
  • Interval between the ribs 350 of the body portion (L) is preferably adjusted to 12.5mm to 18.7mm.
  • the interval (L) between the ribs 350 is less than 12.5 mm, the oval deformation of the body part 300 is prevented by the ribs formed with a plurality of negative pressures generated after the beverage is filled in the container.
  • the adhesion area is relatively reduced and the label is easily dropped.
  • the body portion 300 is labeled using a PET shrinkage label, even if the gap L between the ribs 350 is less than 12.5 mm, the problem of falling the above label may be solved. There is a disadvantage that the position of the label may be changed by the up and down shrinkage of the rib 350.
  • the container of the design having a high filling temperature or a large space of the head space does not completely absorb sound pressure and thus the body portion ( There is a disadvantage that can be deformed (oval) of 300).
  • the interval between the ribs (L) is preferably adjusted to 12.5mm to 15.5mm.
  • the bottom portion 400 of the panelless container 10 to store the contents together with the inlet portion 100, the shoulder portion 200 and the body portion 300 It extends from the body part 300 and closes a floor, and is formed from the heel part 410, the ground part 420, the ground wall part 430, the recessed part 440, the inversion ring 450, and the recessed part 460. .
  • the ground portion 420 is formed at the bottom end of the panelless container 10 to be in contact with the bottom to support the container upright.
  • the ground portion 420 may be formed to support the floor continuously or intermittently.
  • the heel portion 410 is formed outside the ground portion 420 and is formed to be connected to the body portion 300.
  • the shape of the heel portion 410 is formed in a round curve formed from the ground portion 420 is connected to the body portion 300, and has a straight shape that does not protrude outward in the vertical direction. That is, in order to improve the aesthetics of the container 10, the heel portion 410 does not protrude outwards and becomes a straight shape in the vertical direction together with the sidewall 310 to flow flat and consistently.
  • Such alternative embodiment vessels provide a more traditional visual impression and are also capable of carrying larger numbers in parallel loading of the vessels, making them suitable for containers that are sensitive to logistics fluidity.
  • the ground wall portion 430 is rounded at a predetermined angle upward from an inner circumference of the ground portion 420 to be connected to the recess 440.
  • the concave portion 440 is recessed to the center of the container at the upper end of the ground wall portion 430. In this case, it is rounded at a predetermined angle to be connected to the inversion ring 450.
  • the inversion ring 450 has a predetermined radius (R) and is raised downward from the concave portion 440 toward the recess 460 to be connected to the recess 460 in a semicircular shape. That is, it is molded into a ring shape completely surrounding the depression 460.
  • the depression 460 formed at the center of the bottom portion 400 has a top surface 461 substantially parallel to the support surface when viewed in cross section, and a depression side surface that is a plane inclined upward to have a gradual radius with respect to the vertical direction. 462 is provided with a truncated cone shape and is connected to the inversion ring 450. The exact shape of the depression 460 may be greatly changed according to various design criteria.
  • the deformation angle of the recess 440 is increased to cap the container 10, seal it, cool it, and accommodate a change in volume when forming a negative pressure.
  • the inversion ring 450 exhibits a conical shape having a curved surface shape, so that the recessed portion 460 can be flexibly ascended upwardly to absorb the sound pressure.
  • the heel portion 410 is formed to be straight in the vertical direction, and adjusted to a predetermined thickness to fully exhibit sound pressure absorbing function and to improve the independence and aesthetics of the pathogen.
  • the thickness of the heel portion 410, the grounding portion 420, the ground wall portion 430 is formed to increase the durability and independence of the container, and the thickness of the recessed portion 440, the reverse ring 450 is relatively To form a thin as it is to increase the absorption function of the vacuum sound pressure by flexibly pushing the depression 460 to the upper side inside.
  • the thickness of the bottom portion 400 is defined as a ratio.
  • the thickness of the concave portion 440 or the inversion ring 450 that absorbs the sound pressure to the thickness of the heel portion 410, the ground portion 420, the ground wall portion 430 that is responsible for the durability of the container 10 is 55.
  • the composition is at a level of% to 85%.
  • the bottom portion 400 When the thickness of the concave portion 440 and the inversion ring 450 is less than 55% of the thickness of the heel portion 410, the ground portion 420, and the ground wall portion 430, the bottom portion 400 facilitates sound pressure. Absorption is possible, but there is a difficulty in securing the buoyancy due to the thin thickness during blow molding of the container.
  • the thickness of the concave portion 440 and the inversion ring 450 exceeds 85% of the thickness of the heel portion 410, the grounding portion 420, and the ground wall portion 430, the bottom portion during blow molding of the container ( It is easy to secure the formation of the buoyancy (400), but due to the thick thickness of the fluid (flexible) is not secured because it does not play a role to absorb the negative pressure, after filling the beverage Oval (oval) deformation of the container 10 is generated, the label is It is impossible to commercialize because of its poor commerciality due to a drop in aesthetics such as falling easily.
  • the bottom portion 400 is formed in a predetermined ratio so that its overall configuration is "M" shaped when viewed in sectional view so as to withstand sound pressure sufficiently.
  • the height of the container and the diameter of the bottom may be different depending on the design formed in the container. That is, even if a container that can hold the same capacity, if the height of the container is low, the diameter of the bottom should be relatively high.
  • the upward displacement of the recess 460 due to the increase in the deformation angle of the recess 440 is increased to absorb the negative pressure, so that when the lid is removed and opened, the recess 460 is upward.
  • the problem is that the filling liquid leaks because the liquid level filled in the container is not lowered as a result of recovery from the displaced depression deformation state.
  • the concave portion 440 and the inversion ring 450 are deformed to substantially absorb sound pressure, and the protrusion height H of the concave portion 440, the radius of curvature of the concave portion r1, and the inversion ring deflection height. (IH), the radius of curvature r2 of the reversal ring, and the radius R of the reversal ring 450, the surface area of the recess 440, the reversal ring 450 and the recess 440 and the reversal ring ( The shape produced by 450 is determined.
  • the protrusion height H is a value measured at the point where the vertical distance from the bottom to the recess 440 is the maximum, and the inversion ring deflection height IH is the vertical distance from the bottom to the inversion ring 450. Is the value measured at the point where is the minimum.
  • the radius of curvature r1 of the concave portion is a value at the projected height H measurement point, and the radius of curvature r2 of the reversing ring is the height of the inversion ring deflection height IH. The value at the point.
  • the surface area of the concave portion 440 and the inversion ring 450 will depend largely on the volume of absorbable volume that the container 10 can absorb.
  • the concave portion 440 and the inversion ring 450 which are deformed to substantially absorb sound pressure, preferably have a surface area of 2000 mm 2 to 2900 mm 2, which is a sum total of the curved portions in a steady state, and more preferably, the concave portion.
  • the portion 440 and the inversion ring 450 may be formed to have a surface area of 2300 mm 2 to 2600 mm 2 combined in the entire curved state in a steady state.
  • the bottom portion may not be formed in a flexible manner. If the concave portion 440 and the reversal ring 450 are less than 2 mm 2, the concave portion 440 may not be restored as described above. It is difficult to commercialize due to problems and loss of independence.
  • radial ribs may be provided to the inversion ring 450, or the bottom part 400 may be radially embodied.
  • the number of radioactive ribs on the bottom may be formed as many as necessary, but when the number of ribs is too large, there is a disadvantage in that the fluidity of the bottom is reduced.
  • the ratio of the surface area of the concave portion 440 and the inversion ring 450 in combination with the bottom cross-sectional area of the container is 15% to 60%, and more preferably 20% to 35% (wherein the bottom of the container
  • the cross-sectional area refers to the area that the container occupies substantially the bottom when the container is placed on a flat surface, and is a radius of the shortest distance from the central longitudinal axis to the outermost part of the grounding part 420. Cross-sectional area).
  • the sound pressure absorption degree of the bottom portion is insufficient, it may be difficult to achieve the target sound pressure, if more than 60%, the degree of bending of the concave portion 440 and the inversion ring 450 will be very severe, inversion There may be problems with ring restoration, problems with leakage of filler fluid, loss of independence, etc.
  • the inversion ring deflection height IH is 5 mm to 9 mm
  • the radius of curvature r2 of the inversion ring is 5 mm to 25 mm
  • the protrusion height H of the concave portion is 9 mm to 12 mm
  • Silver is preferably formed from 1mm to 5mm.
  • the recess 440 and the inversion ring 450 are preferably bent at an appropriate angle and shape, and the inversion ring deflection height IH, the radius of curvature r2 of the inversion ring, and the protrusion of the concave portion.
  • the height H and the radius of curvature r1 of the recess 440 may be adjusted within the above range.
  • the radius of curvature r2 of the inversion ring relative to the radius of curvature r1 of the recess is preferably within the range of 3 to 7, more preferably within the range of 4 to 6. If it is less than 3, the refraction angle of the inversion ring becomes relatively severe, which may not only cause problems in the restoring force but also adversely affect the degree of sound pressure absorption. Excessive stress is applied to the recesses, which may result in leakage of the filling liquid.
  • the moving distance of the recessed portion at the time of the negative pressure is within the range of 2mm to 7mm (the movement distance of the recessed portion is measured by the movement distance of the top surface). If it is less than 2 mm, it may be difficult to achieve the target negative pressure amount, and if it is more than 7 mm, the level of change in the liquid level of the beverage is too large in the filling step of the beverage, and the beverage may flow out of the filling step of the beverage.
  • the depression 460 has a diameter of about 11.84 mm, an inversion ring deflection height IH of about 7.28 mm, and a radius of curvature r2 of the inversion ring about 10.52.
  • the radius of curvature r1 at the height of the concave portion H is set to about 1.98 mm
  • the radius of the inversion ring 450 is within a range where the surface area of the inversion ring and the concave portion satisfies 2000 mm 2 to 2900 mm 2 ( Four different pathogens, each having R) of 9 mm, 10 mm, 11.7 mm, and 12 mm, were prepared, and a reduced pressure absorption capacity measurement test was performed for the radius R of the inversion ring 450.
  • Table 3 below is an example of containers showing the principles and concepts described above.
  • Table 3 shows the absorption capacities of the containers having different radii as the absorption capacities (cc) relative to the radius R of the inversion ring 450.
  • a container which can generally contain a volume of 400ml to 650ml sufficiently absorbs the vacuum pressure generated due to volume difference of at least about 22cc generated by cooling after filling the container with the contents at a temperature of about 85 ° C. You should be able to.
  • the panelless container 10 according to the present invention preferably has a radius R of the inversion ring 450 of 10 mm to 13 mm.
  • the inversion ring 450 protrudes further downward than the ground portion 420 and loses the independence of the container. Due to the surface area, it is difficult to commercialize because the floor is not easily formed during blow molding.
  • the radius R of the reversing ring 450 is set to 11.7 mm, and the remaining conditions except for the protrusion height H of the recess 440 are formed in the same manner as in Example 3, but the protrusion height of the recess 440 ( According to H), other pathogens of 7.2 mm, 9.0 mm, 11.0 mm, 11.58 mm, and 13.0 mm were prepared, respectively, and a pressure-absorbing absorption capacity measurement test for the height of protrusion H of the recess 440 was performed. .
  • Table 4 below is an example of containers showing the principles and concepts described above.
  • Table 4 shows the absorption capacities of the containers having different heights as the absorption capacities (cc) compared to the protrusion height (H) of the concave portion (440).
  • a container that can hold a volume of 400ml to 650ml can sufficiently absorb the vacuum pressure generated by the volume difference of about 22cc generated after cooling after filling the container with liquid at the temperature around 85 °C.
  • the difference in volume absorption amount according to the protrusion height (H) of the concave portion 440 is insignificant, and satisfies the volume absorption amount of 22cc.
  • the inversion ring 450 protrudes further downward than the ground portion 420, resulting in a loss of independence of the container.
  • the container may not have a compact shape, and the portion due to the thin thickness of the heel portion 410 and the ground portion 420 during blow molding of the container may not be obtained. There will be difficulties in securing formation.
  • the protrusion height H of the recess 440 is 9 mm to 12 mm.
  • the protrusion height H of the concave portion 440 is formed to be 10mm to 11mm.
  • the large panelless container 10 is a size that can hold a capacity of 1200ml to 1800ml inlet 100, shoulder 200, the body 300, It is configured to include a bottom 400.
  • the panelless container 10 of the present invention is a container that is blow molded and directed from a single layer or multilayer material, such as polyethylene terephthalate resin, to a single biaxially having a single structure.
  • the panelless container 10 may be formed by other methods, for example, from other conventional materials including polyethylene napthalate (PEN) and PET / PEN mixtures or copolymers.
  • a container that can hold a volume of 1200ml to 1800ml is filled with liquid products such as juice and isotonic at a temperature of about 85 ° C and then vacuumed by a volume difference of about 51cc. It must be able to absorb the town pressure sufficiently. More specifically, it should have a negative pressure within the range of 50cc to 82cc, and the ratio of the negative pressure to the total capacity of the container should be within the range of 3% to 6%, it is possible to smoothly perform the filling process, such as beverages.
  • the bottom 400 adopts an advanced structure.
  • the inlet portion 100 is a threaded portion 120 and the screw thread 120 formed to cover and cover the opening 110 by a screw (not shown) through a through-shaped opening 110, which is an inlet filled with contents. It includes a support ring 130 protruding convexly in a lower side of the).
  • the support ring 130 may be molded in a precursor forming step at the beginning of manufacture, and may be used to hold the support ring 130 to transport a plastic container.
  • the panelless vessel 10 may be moved by a support ring 130, which may be used to help position the precursor in a mold or end users move the vessel 10. It can be used to make.
  • the shoulder portion 200 is formed integrally connected with the inlet portion 100 is extended to extend the diameter to the body portion 300 formed at the bottom.
  • the body portion 300 is formed in parallel in the vertical direction at a predetermined interval between the plurality of ribs 350 and the plurality of ribs 350 roundly molded in the central axis direction around the body portion 300 is formed Consists of a labelable side wall 310, extending from the shoulder portion 200 to the bottom portion 400.
  • the rib 350 When the inside of the container is in a negative pressure state by the cooling after the high temperature filling process, the rib 350 is displaced to contract up and down while preventing the oval deformation of the body portion 300 due to the effect of the depression molding. Efficient sound pressure absorption function is exhibited.
  • Interval between the ribs 350 of the body portion (L) is preferably adjusted to 12.5mm to 21.7mm.
  • the interval (L) between the ribs 350 is less than 12.5 mm, the oval deformation of the body part 300 is prevented by the ribs formed with a plurality of negative pressures generated after the beverage is filled in the container.
  • the adhesion area is relatively reduced and the label is easily dropped.
  • the body portion 300 is labeled using a PET shrinkage label, even if the gap L between the ribs 350 is less than 12.5 mm, the problem of falling the above label may be solved. There is a disadvantage that the position of the label may be changed by the up and down shrinkage of the rib 350.
  • the container of the design having a high filling temperature or a large empty space of the head space does not completely absorb sound pressure and thus the body portion ( There is a disadvantage that can be deformed (oval) of 300).
  • the interval between the ribs (L) is preferably adjusted to 12.5mm to 15.5mm.
  • the bottom portion 400 of the panelless container 10 to store the contents together with the inlet portion 100, the shoulder portion 200 and the body portion 300 It extends from the body part 300 and closes a floor, and is formed from the heel part 410, the ground part 420, the ground wall part 430, the recessed part 440, the inversion ring 450, and the recessed part 460. .
  • the ground portion 420 is formed at the bottom end of the panelless container 10 to be in contact with the bottom to support the container upright.
  • the ground portion 420 may be formed to support the floor continuously or intermittently.
  • the heel portion 410 is formed outside the ground portion 420 and is formed to be connected to the body portion 300.
  • the shape of the heel portion 410 is formed in a round curve formed from the ground portion 420 is connected to the body portion 300, and has a straight shape that does not protrude outward in the vertical direction. That is, in order to improve the aesthetics of the container 10, the heel portion 410 does not protrude outwards and becomes a straight shape in the vertical direction together with the sidewall 310 to flow flat and consistently.
  • Such alternative embodiment vessels provide a more traditional visual impression and are also capable of carrying larger numbers in parallel loading of the vessels, making them suitable for containers that are sensitive to logistics fluidity.
  • the ground wall portion 430 is rounded at a predetermined angle upward from an inner circumference of the ground portion 420 to be connected to the recess 440.
  • the concave portion 440 is recessed to the center of the container at the upper end of the ground wall portion 430. In this case, it is rounded at a predetermined angle to be connected to the inversion ring 450.
  • the inversion ring 450 has a predetermined radius (R) and is raised downward from the concave portion 440 toward the recess 460 to be connected to the recess 460 in a semicircular shape. That is, it is molded into a ring shape completely surrounding the depression 460.
  • the depression 460 formed at the center of the bottom portion 400 has a top surface 461 substantially parallel to the support surface when viewed in cross section, and a depression side surface that is a plane inclined upward to have a gradual radius with respect to the vertical direction. 462 is provided with a truncated cone shape and is connected to the inversion ring 450. The exact shape of the depression 460 may be greatly changed according to various design criteria.
  • the deformation angle of the recess 440 is increased to cap the container 10, seal it, cool it, and accommodate a change in volume when forming a negative pressure.
  • the inversion ring 450 exhibits a conical shape having a curved surface shape, so that the recessed portion 460 can be flexibly ascended upwardly to absorb the sound pressure.
  • the heel portion 410 is formed to be straight in the vertical direction, and adjusted to a predetermined thickness to sufficiently exhibit the sound pressure absorption function and to improve the independence and aesthetics of the pathogen.
  • the thickness of the heel portion 410, the grounding portion 420, the ground wall portion 430 is formed to increase the durability and independence of the container, and the thickness of the recessed portion 440, the reverse ring 450 is relatively To form a thin as it is to increase the absorption function of the vacuum sound pressure by flexibly pushing the depression 460 to the upper side inside.
  • the thickness of the bottom portion 400 is defined as a ratio.
  • the thickness of the concave portion 440 or the inversion ring 450 that absorbs the sound pressure to the thickness of the heel portion 410, the ground portion 420, the ground wall portion 430 that is responsible for the durability of the container 10 is 55.
  • the composition is at a level of% to 85%.
  • the bottom portion 400 When the thickness of the concave portion 440 and the inversion ring 450 is less than 55% of the thickness of the heel portion 410, the ground portion 420, and the ground wall portion 430, the bottom portion 400 facilitates sound pressure. Absorption is possible, but there is a difficulty in securing the buoyancy due to the thin thickness during blow molding of the container.
  • the thickness of the concave portion 440 and the inversion ring 450 exceeds 85% of the thickness of the heel portion 410, the grounding portion 420, and the ground wall portion 430, the bottom portion during blow molding of the container ( It is easy to secure the formation of the buoyancy (400), but due to the thick thickness of the fluid (flexible) is not secured because it does not play a role to absorb the negative pressure, after filling the beverage Oval (oval) deformation of the container 10 is generated, the label is It is impossible to commercialize because of its poor commerciality due to a drop in aesthetics such as falling easily.
  • the bottom portion 400 is formed in a predetermined ratio so that its overall configuration is "M" shaped when viewed in sectional view so as to withstand sound pressure sufficiently.
  • the height of the container and the diameter of the bottom may be different depending on the design formed in the container. That is, even if a container that can hold the same capacity, if the height of the container is low, the diameter of the bottom should be relatively high.
  • the upward displacement of the recess 460 due to the increase in the deformation angle of the recess 440 is increased to absorb the negative pressure, so that when the lid is removed and opened, the recess 460 is upward.
  • the problem is that the filling liquid leaks because the liquid level filled in the container is not lowered as a result of recovery from the displaced depression deformation state.
  • the concave portion 440 and the inversion ring 450 are deformed to substantially absorb sound pressure, and the protrusion height H of the concave portion 440, the radius of curvature of the concave portion r1, and the inversion ring deflection height. (IH), the radius of curvature r2 of the reversal ring, and the radius R of the reversal ring 450, the surface area of the recess 440, the reversal ring 450 and the recess 440 and the reversal ring ( The shape produced by 450 is determined.
  • the protrusion height H is a value measured at the point where the vertical distance from the bottom to the recess 440 is the maximum, and the inversion ring deflection height IH is the vertical distance from the bottom to the inversion ring 450. Is the value measured at the point where is the minimum.
  • the radius of curvature r1 of the concave portion is a value at the projected height H measurement point, and the radius of curvature r2 of the reversing ring is the height of the inversion ring deflection height IH. The value at the point.
  • the surface area of the concave portion 440 and the inversion ring 450 will depend largely on the volume of absorbable volume that the container 10 can absorb.
  • the concave portion 440 and the inversion ring 450 which are deformed to substantially absorb sound pressure, are preferably formed with a total surface area of 2700 mm 2 to 3500 mm 2 in total in a curved state, more preferably the concave.
  • the portion 440 and the inversion ring 450 may be formed to have a surface area of 2900 mm 2 to 3300 mm 2 combined in the entire curved state in a steady state.
  • the bottom portion may not be formed to be flexible. It is difficult to commercialize due to problems and loss of independence.
  • radial ribs may be provided to the inversion ring 450, or the bottom part 400 may be radially embodied.
  • the number of radioactive ribs on the bottom may be formed as many as necessary, but when the number of ribs is too large, there is a disadvantage in that the fluidity of the bottom is reduced.
  • the ratio of the surface area of the concave portion 440 and the inversion ring 450 in combination with the bottom cross-sectional area of the container is 15% to 60%, and more preferably 20% to 35% (wherein the bottom of the container
  • the cross-sectional area refers to the area that the container occupies substantially the bottom when the container is placed on a flat surface, and is a radius of the shortest distance from the central longitudinal axis to the outermost part of the grounding part 420. Cross-sectional area).
  • the sound pressure absorption degree of the bottom portion is insufficient, it may be difficult to achieve the target sound pressure, if more than 60%, the degree of bending of the concave portion 440 and the inversion ring 450 will be very severe, inversion There may be problems with ring restoration, problems with leakage of filler fluid, loss of independence, etc.
  • the inversion ring deflection height IH is 5 mm to 9 mm
  • the radius of curvature r2 of the inversion ring is 5 mm to 25 mm
  • the protrusion height H of the concave portion is 9 mm to 12 mm
  • Silver is preferably formed from 1mm to 5mm.
  • the recess 440 and the inversion ring 450 are preferably bent at an appropriate angle and shape, and the inversion ring deflection height IH, the radius of curvature r2 of the inversion ring, and the protrusion of the concave portion.
  • the height H and the radius of curvature r1 of the recess 440 may be adjusted within the above range.
  • the radius of curvature r2 of the inversion ring relative to the radius of curvature r1 of the recess is preferably within the range of 3 to 7, more preferably within the range of 4 to 6. If it is less than 3, the refraction angle of the inversion ring becomes relatively severe, which may not only cause problems in the restoring force but also adversely affect the degree of sound pressure absorption. Excessive stress is applied to the recesses, which may result in leakage of the filling liquid.
  • the moving distance of the depression at the time of the negative pressure is within the range of 5 mm to 8 mm (the movement distance of the depression is measured by the movement distance of the top surface). If it is less than 5 mm, the target negative pressure amount may be difficult to be achieved, and if it is more than 8 mm, the level of change in the liquid level of the beverage may be too large in the filling step of the beverage, and the beverage may flow out of the filling step of the beverage.
  • the depression 460 has a diameter of about 13.5 mm, an inversion ring deflection height (IH) of about 8.5 mm, and a radius of curvature r2 of the inversion ring of about 14.37. mm, the radius of curvature r1 at the height of the concave portion H is about 3 mm, and the radius R of the inversion ring 450 is in a range where the surface area of the inversion ring and the concave portion satisfies 2700 mm 2 to 3500 mm 2. ), Four different pathogens of 8 mm, 10 mm, 11.4 mm, and 12 mm were prepared, respectively, and the pressure-absorbing capacity measurement test for the radius R of the inversion ring 450 was performed.
  • Table 5 below is an example of containers showing the principles and concepts described above.
  • Table 5 shows absorption capacities of containers having different radii as the absorption capacities (cc) relative to the radius R of the inversion ring 450.
  • a container which can generally contain a volume of 1200 ml to 1800 ml sufficiently absorbs vacuum vaccuum pressure generated by a volume difference of at least about 51 cc generated after cooling after filling the container with a liquid at a temperature of about 85 ° C. You should be able to.
  • the panelless container 10 according to the present invention preferably has a radius R of the inversion ring 450 of 7 mm to 13 mm.
  • the inversion ring 450 protrudes further downward than the ground portion 420 and loses the independence of the container. Due to the surface area, it is difficult to commercialize because the floor is not easily formed during blow molding.
  • the radius R of the reversing ring 450 is 11.4 mm, and the remaining conditions except for the protrusion height H of the recess 440 are formed in the same manner as in Example 5, but the protrusion height of the recess 440 ( According to H), different types of pathogens of 7.2 mm, 9.0 mm, 11 mm, 12 mm, and 13 mm were prepared, respectively, and the pressure-absorbing absorption capacity measurement test was performed on the protrusion height H of the recess 440.
  • Table 6 below is an example of containers showing the principles and concepts described above.
  • Table 6 shows the absorption capacities of the containers having different heights as the absorption capacities (cc) relative to the protrusion height (H) of the concave portion (440).
  • a container that can hold a volume of 1200ml to 1800ml can sufficiently absorb the vacuum town pressure generated by the volume difference of about 51cc generated when cooling after filling the container with the contents at a temperature of about 85 ° C.
  • the difference in volume absorption amount according to the protrusion height (H) of the concave portion 440 is insignificant, and satisfies the volume absorption amount of 51cc.
  • the inversion ring 450 protrudes further downward than the ground portion 420, resulting in a loss of independence of the container.
  • the container may not have a compact shape, and the portion due to the thin thickness of the heel portion 410 and the ground portion 420 during blow molding of the container may not be obtained. There will be difficulties in securing formation.
  • the protrusion height H of the recess 440 is 9 mm to 12 mm.
  • the protrusion height H of the concave portion 440 is formed to be 10mm to 11mm.
  • body part 310 side wall
  • IH deflection height of inversion ring r1: radius of curvature of recess

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  • Engineering & Computer Science (AREA)
  • Ceramic Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Containers Having Bodies Formed In One Piece (AREA)

Abstract

La présente invention concerne un contenant sans panneau comprenant une partie fond renforcée, qui est un contenant sans panneau moulé par étirage-gonflage, comprenant : une partie embouchure qui est pourvue d'une ouverture formant un trou traversant de remplissage du contenu dans ce dernier, un filetage et un anneau de support en saillie servant à transporter facilement le contenant ; une partie épaulement qui est liée et moulée d'un seul tenant avec la partie embouchure et qui a un diamètre étendu jusqu'à son extrémité inférieure ; une partie corps qui est liée d'un seul tenant avec l'extrémité inférieure de la partie épaulement ayant le diamètre étendu et qui est pourvue d'une paroi latérale et d'une pluralité de nervures ; et une partie fond qui a pour fonction de fermer le contenant sans panneau de façon à contenir le contenu conjointement avec la partie embouchure, la partie épaulement et la partie corps. Ainsi, l'invention peut présenter une fonction d'absorption de pression sonore par déformation en creux de la partie fond, peut empêcher la contraction du contenant provoquée par une pression sonore au moyen des nervures de la partie corps et fournir un effet d'étiquetage facile, peut régler une partie talon à une épaisseur prédéterminée et empêcher un endommagement de la puissance autogène d'une bouteille durant la décompression par réglage de la superficie de la partie fond, et peut procurer des effets esthétiques.
PCT/KR2013/008175 2012-09-10 2013-09-10 Contenant sans panneau comprenant une partie fond renforcée WO2014038921A1 (fr)

Applications Claiming Priority (6)

Application Number Priority Date Filing Date Title
KR20120100132 2012-09-10
KR10-2012-0100132 2012-09-10
KR10-2012-0100126 2012-09-10
KR20120100122 2012-09-10
KR10-2012-0100122 2012-09-10
KR20120100126 2012-09-10

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WO2014038921A1 true WO2014038921A1 (fr) 2014-03-13

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107521794A (zh) * 2016-06-17 2017-12-29 西德尔合作公司 设置有凸形可逆转隔膜的容器
CN112439108A (zh) * 2019-09-04 2021-03-05 肖特瑞士股份公司 封闭端容器和具有封闭端容器的容器组件
EP3638592B1 (fr) 2017-06-12 2023-05-24 Société des Produits Nestlé S.A. Récipient comportant un fond muni d'un arc bi-concave

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20080012904A (ko) * 2005-04-28 2008-02-12 암코르 리미티드 진공에 관련된 힘에 반응하는 용기의 베이스 구조
KR20110092209A (ko) * 2008-11-27 2011-08-17 가부시키가이샤 요시노 고교쇼 합성수지제 병체
JP2012509226A (ja) * 2008-11-17 2012-04-19 アムコー リミテッド 減圧による力に応答する容器ベース構造

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20080012904A (ko) * 2005-04-28 2008-02-12 암코르 리미티드 진공에 관련된 힘에 반응하는 용기의 베이스 구조
JP2012509226A (ja) * 2008-11-17 2012-04-19 アムコー リミテッド 減圧による力に応答する容器ベース構造
KR20110092209A (ko) * 2008-11-27 2011-08-17 가부시키가이샤 요시노 고교쇼 합성수지제 병체

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107521794A (zh) * 2016-06-17 2017-12-29 西德尔合作公司 设置有凸形可逆转隔膜的容器
EP3638592B1 (fr) 2017-06-12 2023-05-24 Société des Produits Nestlé S.A. Récipient comportant un fond muni d'un arc bi-concave
CN112439108A (zh) * 2019-09-04 2021-03-05 肖特瑞士股份公司 封闭端容器和具有封闭端容器的容器组件

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