JP5495705B2 - Tube container with cap - Google Patents

Description

The present invention relates to a tube container with a cap in which a cap opening and closing problem due to sandwiching of contents attached to the back surface of the cap is eliminated with respect to a tube container containing viscous toothpaste and the like.

  Patent Document 1 describes a conventional inverted tube container that contains viscosity such as toothpaste in a content, and has a top plate and a mounting cylinder for the mouth and an outer cylinder formed outside the mounting cylinder. Yes.

Also, as a tube container with an inner cylinder cap that prevents the cap from protruding from the inner cylinder part of the cap, the contents remaining in the tip of the extraction nozzle and the inner cylinder part are pushed back into the extraction nozzle. Patent Document 2 describes a liquid-tight sliding portion that can be used.

Japanese Patent Laid-Open No. 8-282691 JP 2009-23724 A

  In the inverted tube container of Patent Document 1, the spout is sandwiched between the stopper tube and the short tube formed on the back surface of the small lid so that the tube body is gripped when using a viscous toothpaste or the like. Since the contents are taken out from the spout and squeezed out to a toothbrush, etc., viscous toothpaste, etc., will adhere to the vicinity of the spout outlet or wrap around the outer wall of the nozzle serving as the spout. It will stick. In this state, if you close the small lid, the contents such as toothpaste will get in between the short tube and the plug formed on the back of the small lid. Or adheres to the outer wall of the nozzle serving as the spout in a raised state. If this state is repeated, the contents such as toothpaste that have entered between the stopper tube and the short tube are dried and solidified, which makes it difficult to close the small lid. Furthermore, when using a toothpaste containing granular solids such as salt in the contents, if the salt particles enter between the stopper tube and the short tube, the small lid will not be closed. .

  In view of this, Patent Document 2 has been devised as a tube container with a cap that can be prevented from protruding from the inner cylinder portion of the cap so that dirt is not noticeable. However, the liquid-tight sliding part of Patent Document 2 is provided with the role of pushing up the contents adhering to the inner wall of the inner cylinder part, but the pushed-up contents ride on the top of the spout and cap A small amount of contents sandwiched between the upper surface side of the liquid-tight sliding portion and the side surface of the seal portion are retained there by being dammed by a seal portion made of a protrusion installed on the back side of the top plate portion. It will be. In such a case, for example, when using a material in which a granular material such as salt is kneaded into the contents together, it stays between the upper surface side of the liquid-tight sliding portion and the side surface of the seal portion. In this state, the content dries on the spot and solidifies, so that the state in which the cap cannot be closed is the same as in Patent Document 1.

The object of the present invention is to solve the above-mentioned problems and to open and close the cap by sandwiching the contents attached to the back of the cap even when a viscous toothpaste or the like in which a granular material such as salt is kneaded is contained To provide a tube container with a cap that does not cause a defect.

The present invention relates to a cap that covers a tube container, and includes a main body portion having a cylindrical outer tube and an opening dispensing nozzle, and a fitting portion that seals the dispensing nozzle on the cylindrical outer tube and the inner surface. In the tube container with a cap having a hinge cap made of a synthetic resin material having a hinge portion integrally connected to the portion, a tip portion protruding outward toward the tip is formed near the tip of the pouring nozzle. In addition, the inner periphery of the fitting portion at the portion to be fitted with the outer periphery of the tip portion is provided with a protruding portion protruding inward, and in a cross-sectional view, the line where the inner wall of the fitting portion and the back of the top plate portion are in contact with each other An R portion of R1.0 or more is formed in the corner portion, and the back surface of the top plate portion located inside the fitting portion is directed to the center from the R portion side joined to the back surface of the top plate portion to the inside. As you can see, there is a protruding part on the back of the lid that protrudes into a dome shape. Wherein a capped tube container having a space between the most recessed end is the upper end and the R portion of the tip when the lid is fitted to the body portion.

The present invention includes a tube container having an opening pouring nozzle, a fitting portion that seals the pouring nozzle, and a lid portion that forms a top plate portion and a side wall portion that hangs down from the periphery of the top plate portion. A cap made of a synthetic resin material having a tip portion that protrudes outwardly toward the tip and forming the fitting portion at a position where the tip is fitted to the outer periphery of the tip portion. The inner periphery of the inner surface is provided with a protruding portion protruding inward, and in a cross-sectional view, an R portion of R1.0 or more is formed at a corner portion of a line where the inner wall of the fitting portion and the back of the top plate portion are in contact with each other. On the back surface of the top plate portion located inside the joint portion, a lid rear surface protruding portion that protrudes substantially in a dome shape toward the center from the R portion side joined to the back surface of the top plate portion is provided, the upper end and the R portion of the tip when the the tube container lid is fitted Is a capped tube container having a space between the end portion also is recessed.

The present invention is the tube container with a cap in which an end portion located on the outermost side of the tip portion projects outward from an end portion located on the innermost side of the projecting portion .

In the present invention, the tip of the tip contacting the fitting portion is formed in an inverted triangle shape, and the tip of the tip contacting the fitting portion protruding in the inverted triangle is a corner of R0.3 or less. It is a tube container with a cap that forms R.

The present invention relates to a cap that covers a tube container, and includes a main body portion having a cylindrical outer tube and an opening dispensing nozzle, and a fitting portion that seals the dispensing nozzle on the cylindrical outer tube and the inner surface. In the tube container with a cap having a hinge cap made of a synthetic resin material having a hinge portion integrally connected to the portion, a tip portion protruding outward toward the tip is formed near the tip of the pouring nozzle. In addition, the inner periphery of the fitting portion at the portion to be fitted with the outer periphery of the tip portion is provided with a protruding portion protruding inward, and in a cross-sectional view, the line where the inner wall of the fitting portion and the back of the top plate portion are in contact with each other An R portion of R1.0 or more is formed in the corner portion, and the back surface of the top plate portion located inside the fitting portion is directed to the center from the R portion side joined to the back surface of the top plate portion to the inside. As you can see, there is a protruding part on the back of the lid that protrudes into a dome shape. Because it is capped tube container having a space between the tip upper most recessed end and of the R portion of when the lid and the body portion is fitted, the corner R1.0 By forming the above R portion and providing a space as wide as possible between the tip portion and the back surface of the lid portion, it has the effect of delaying the drying of the content by collecting the content attached to the back surface of the lid portion near the corner. . In addition, the collected contents are pushed inward by repeating the process of collecting the next contents again on the spot, and the contents collected near the corner reach a certain weight. It is to provide a tube container with a cap in which the effect of the inclination of the protrusion on the back surface of the lid acts and flows toward the spout .

In addition, the present invention provides a tube container having an opening dispensing nozzle, a fitting portion that seals the dispensing nozzle, and a top plate portion and a lid that forms a side wall portion hanging from the periphery of the top plate portion A cap made of a synthetic resin material having a portion, wherein a tip portion protruding outward toward the tip is formed near the tip of the pouring nozzle, and the fitting at a place where the tip fits with the outer periphery of the tip The inner periphery of the joint portion is provided with a protruding portion protruding inward, and in a cross-sectional view, an R portion of R1.0 or more is formed at the corner portion of the line where the inner wall of the fitting portion and the back of the top plate portion are in contact with each other, On the back surface of the top plate portion located inside the fitting portion, a lid back surface protruding portion that protrudes in a substantially dome shape toward the center from the R portion side to be joined to the back surface of the top plate portion is provided. the upper end of the tip when the lid and the tube container is fitted Because it is capped tube container having a space between the most recessed end and of the parts, to form R1.0 or more R portion at a corner portion, the space of the possible spread between the tip portion and the lid portion rear surface By providing, the contents adhering to the back surface of the lid portion are collected near the corner, thereby having the effect of delaying the drying of the contents. In addition, the collected contents are pushed inward by repeating the process of collecting the next contents again on the spot, and the contents collected near the corner reach a certain weight. It is to provide a tube container with a cap in which the effect of the inclination of the protrusion on the back surface of the lid acts and flows toward the spout .

Further , the present invention is a tube container with a cap in which the end portion located on the outermost side of the tip portion projects outward from the end portion located on the innermost side of the projecting portion. it is possible to provide a superior caps with tube containers sex.

Further , according to the present invention, the tip portion of the tip portion that contacts the fitting portion forms a shape that protrudes in an inverted triangle, and the tip portion that contacts the fitting portion that protrudes in the inverted triangle forms R0.3 or less. Since the tube container with a cap that forms the corner R of the container, when the toothpaste with viscosity is accommodated, the tip portion of the pouring nozzle pushes the contents adhering to the inner wall of the fitting portion toward the outlet, and the fitting portion It is providing the tube container with a cap which can exhibit the scraper function which removes the content adhering to the inner wall .

It is a perspective view of a cap showing an embodiment of the present invention. It is sectional drawing of the cap shown in FIG. It is sectional drawing to which the extraction | pouring nozzle which is X part shown in FIG. 2 was expanded. It is sectional drawing to which the fitting part which is Y part shown in FIG. 2 was expanded. It is sectional drawing which shows the state which closed the cap shown in FIG. 2, and was set to the tube main body. It is sectional drawing to which Z part shown in FIG. 5 was expanded. It is sectional drawing of the cap and tube main body which show different embodiment of this invention. It is sectional drawing to which the Z1 part shown in FIG. 7 was expanded.

1 to 4, a tube container A with a cap according to the present invention is a hinge cap formed by injection molding using a synthetic resin made of polypropylene, polyethylene resin, or the like that covers the tube container 7. In the hinge cap, the main body 1 includes a cylindrical outer tube 1b and a top plate 1a, and is composed of a dispensing nozzle 4 that protrudes outward from the top plate 1a. The lid portion 2 of the hinge cap has a cylindrical outer cylinder 2b and a top plate portion 2a, and a fitting portion 5 for sealing the pouring nozzle 4 is formed on the back surface of the top plate portion 2a. ing. Further, the main body 1 and the lid 2 are hinge caps connected by a hinge portion 3 that is integrally connected with a structure such as a three-point hinge function or a butterfly hinge function. As shown in FIG. 5, a protruding flange portion 6 is formed on the extension of the top plate portion 2 a on the lid portion 2 side, which is opposite to the hinge portion 3, in order to make the lid portion easy to open and close.

FIG. 3 is an enlarged view of an X portion shown in FIG. 2, and a tip portion 4 a that protrudes outward is formed near the tip of the dispensing nozzle 4 toward the tip. The tip portion 4a serves as a scraper that scrapes the contents attached to the inner peripheral surface of the fitting portion 5 when the lid portion 2 covers the main body portion 1, and the shape of the tip portion 4a is as follows. A shape that is thin and sharp like one side of an inverted triangle has an effect. However, considering the ease of fitting of the lid portion 2, by forming a corner R of R0.5 or less at the most sharply protruding portion of the tip portion 4 a, both fitability and scraper function It becomes possible to have the function of.

FIG. 4 is an enlarged view of a Y portion shown in FIG. The tip portion 4a is a fitting portion 5 that is installed on the back surface of the lid portion 2 top plate portion 2a at a location that fits with the outer periphery of the tip portion 4a when the body portion 1 is covered with the lid portion 2. The fitting portion 5 is provided with a protruding portion 5a that protrudes inwardly on the inner peripheral surface of the fitting portion 5, so that the lid portion 2 is attached to the main body portion 1 as shown in FIG. Since the tip 4a is fitted over the protrusion 5a when the cover 4 is to be fitted, the tube container A with a cap having a structure that maintains airtightness can be provided.

Further, the outermost end portion of the tip end portion 4a protrudes slightly outward from the innermost end portion of the protruding portion 5a, so that a product with better fitting properties can be obtained. Can be provided. When a viscous toothpaste is accommodated, the tip 4a of the dispensing nozzle 4 removes the contents adhering to the inner periphery of the fitting portion 5, and the content is scraped up by the tip 4a. Then, the contents are moved to a space 5c provided between the back surface of the top plate portion 2a of the lid portion 2 near the spout and the tip portion 4a. In order to move the contents adhering to the back surface of the lid 2 in the direction of the spout while keeping it as dry as possible, the space 5c is as wide as possible as shown in FIG. The corner portion where the inner wall and the back surface of the top plate portion 2a are in contact with each other is preferably rounded. An appropriate space for the space 5c is a space between the upper end of the tip portion 4a and the most recessed end portion of the R portion 5b when the lid portion 2 is fitted on the main body portion 1. It is desirable to install such that the distance is 0.8 mm or more.

Also, as shown in FIG. 5 or FIG. 6, when viewed in cross-section, the corners of the fitting portion 5 and the top plate portion 2a contact the corner so that the content does not enter the corner portion R1.0 or more R1.0 or more The R portion 5b may be formed. By forming the R portion 5b in the space 5c and the corner portion, it is possible to prevent the contents from entering the corner gap of the corner portion and drying out, and the content attached to the back surface of the lid portion 2 By collecting the objects near the R part 5b, the collected contents are repeated again in the process in which the next contents are collected on the spot, so that the contents including newly adhered moisture are previously adhered to the contents. By adhering to the top of the contents, the contents adhering to the former absorb moisture and the drying is eased, so that the contents are moistened and softened and pushed into the inside, and the contents are put near the spout It becomes possible to move to.

Further, on the back surface of the top plate portion 2a of the lid portion 2 located inside the fitting portion 5, the back surface of the lid body protrudes from the R portion 5b side joined to the back surface of the top plate portion 2a toward the center. Providing a tube container A with a cap having a function of guiding the contents attached to the back surface of the top plate portion 2a toward the spout by the inclination of the back surface protrusion portion 5d by providing the protrusion portion 5d. Can do. The shape of the lid rear surface protruding portion 5d may be formed in a dome shape or may be formed in a gentle cone. By projecting the central portion of the lid rear surface protruding portion 5d, the contents collected in the vicinity of the corner reach a certain weight, and the effect of the inclination of the lid rear surface protruding portion 5d acts to move to the vicinity of the spout. Increases the effect of moving.

7 or 8 is a different embodiment of the present invention. FIG. 8 is an enlarged view of the Z1 portion of FIG. 7, in which the extraction nozzle 4 is formed at the outlet portion of the tube container 71. Moreover, the cover part 21 is a single cap, has the fitting part 5 which seals the said pouring nozzle 4, and performs the function of this invention.

The cap-equipped tube containers A and A1 of the present invention are particularly effective for a container containing a viscous toothpaste in which a granular material such as salt is kneaded into the contents. When small particles such as salt are kneaded, the salt particles that have entered the gap of the fitting portion 5 provided for fitting the cap lose the escape and go to the corner of the fitting portion 5. There was a phenomenon in which the lid 2 was not closed due to being driven away and clogged. However, in the tube containers A and A1 with caps of the present invention, the tip 4a of the dispensing nozzle 4 pushes up the contents attached to the inner wall of the fitting part 5 in the outlet direction and adheres to the inner wall of the fitting part 5. The contents can be removed. In addition, the content pushed up by the tip portion 4a is transferred to a space 5c provided between the tip portion 4a and the back surface of the lid portion 2, and near the tip of the spout or the tip portion 4a and the fitting portion 5 Drying of the contents can be mitigated by staying in a thick state near the R portion 5b where the back surface is joined. Further, by projecting the central portion of the lid rear surface protruding portion 5d in a dome shape or the like, the contents collected in the vicinity of the R portion 5b reach a certain weight, and the effect of the inclination of the lid rear surface protruding portion 5d is achieved. Can move to the vicinity of the spout. Therefore, even when a viscous toothpaste or the like in which a granular material such as salt is kneaded into the contents is stored, the cap does not cause a cap opening / closing failure due to the contents stuck to the back surface of the lid 2 or the like The attached tube containers A and A1 can be provided.

DESCRIPTION OF SYMBOLS 1 Main-body part 1a Top plate part 1b Outer cylinder 2 Lid part 21 Lid part 2a Top plate part 2b Outer cylinder 3 Hinge part 4 Outlet nozzle 4a Tip part 5 Fitting part 5a Protrusion part 5b R part 5c Space 5d Lid back surface protrusion Part 6 brim part 7 tube container 71 tube container A tube container A1 with cap tube container with cap

Claims (4)

A cap that covers a tube container, and is formed by integrating a cylindrical outer cylinder, a main body portion having an opening pouring nozzle, and a lid portion having a fitting portion that seals the pouring nozzle on the inner surface of the cylindrical outer tube. In the tube container with a cap having a hinge cap made of a synthetic resin material having a hinge portion connected to the tip portion, a tip portion protruding outward toward the tip is formed near the tip of the pouring nozzle, and the tip portion An inner periphery of the fitting portion at a place to be fitted to the outer periphery of the outer peripheral portion is provided with a protruding portion protruding inward, and in a cross-sectional view, R1 is formed at a corner portion of a line where the inner wall of the fitting portion and the back of the top plate portion are in contact with each other. 0.0 or more R portions are formed, and the back surface of the top plate portion located inside the fitting portion is substantially dome-shaped toward the center from the R portion side to be joined to the back surface of the top plate portion. the lid rear surface protrusion protruding provided, said body The tip portion upper end and the most recessed capped tube container characterized in that a space between the end portion and the R portion of when the lid is fitted with. A synthetic resin material having a tube container having an opening pouring nozzle, a fitting portion that seals the pouring nozzle, and a lid portion that forms a top plate portion and a side wall portion hanging from the periphery of the top plate portion A tip portion protruding outward toward the tip end is formed near the tip end of the dispensing nozzle, and an inner periphery of the fitting portion at a place to be fitted with an outer periphery of the tip portion is An inward projecting portion is provided, and in a cross-sectional view, an R portion of R1.0 or more is formed at a corner portion of a line where the inner wall of the fitting portion and the back of the top plate portion are in contact, and the inner side of the fitting portion The rear surface of the top plate portion located at the top plate portion is provided with a lid rear surface protruding portion that protrudes in a substantially dome shape toward the center from the R portion side to be joined to the back surface of the top plate portion. the most recessed of the R portion and the upper end of the tip when the lid is fitted Capped tube container characterized in that a space between the that end. The end portion located on the outermost side of the tip portion projects outward from the end portion located on the innermost side of the projecting portion. Tube container. The tip of the tip that is in contact with the fitting portion forms a shape that protrudes in an inverted triangle, and the tip of the tip that contacts the fitting portion that protrudes in the inverted triangle forms a corner R of R0.3 or less. The tube container with a cap according to any one of claims 1 to 3, wherein the tube container has a cap.