JP2000083967A - Container for dental composition - Google Patents

Abstract

PROBLEM TO BE SOLVED: To obtain a container for dental compsns. which enables any body, even not a skilled person, to extrude and use the dental compsns. in an optimum amt., to cost-effectively use the dental compsns. and to most adequately carry out to mix two kinds of the dental compsns. SOLUTION: This container 1 for the dental compsns. comprises a cylindrical container body 4 which is mounted with a nozzle 2 at the front end and in which the dental compsns. are housed, a piston 5 which is slidably mounted in this container body 4 and extrudes the dental compsns. housed in the container body 4 from the nozzle, a knock body 7 which is energized by an energizing spring 6 in such a manner that its rear end projects to the prescribed extent always outward from the rear end of the container body 4 and a piston sliding and moving mechanism 8 which slides and moves the piston 5 so as to extrude a small amt. of the dental compsns. from the nozzle 2 by pressing this knock body 7.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

The present invention relates to a dental composition container for storing a dental composition such as a bonding material, an etching material, a primer, a cement, a composite resin or a dental impression material used for dental treatment.

[0002]

2. Description of the Related Art Conventionally, this type of container has a pipe-shaped nozzle attached to the tip of the container body, and by pressing the container body, the dental composition contained therein can be discharged from the nozzle to a saucer. Is configured.

[0003]

A conventional container for storing a dental composition, which is configured in the form of a medical syringe, presses the container body and pushes out one or two drops of the expensive dental composition from a nozzle into a saucer. However, it is difficult to extrude one or two drops into a saucer well, and more than the required amount of dental composition is pushed out into the saucer, so that it cannot be used economically. There is a drawback in that an easy pressing is applied to the finger pressing portion at the rear end to scatter the contents. In addition, when two kinds of dental compositions are used by mixing them in the same amount, it is difficult to push the two kinds of dental compositions into a saucer to mix the same amount of the dental compositions, so that it can be used in an optimal state. There was a drawback that it was difficult.

The present invention has been made in view of the above-mentioned conventional drawbacks,
A dental composition that allows anyone, even non-experts, to constantly extrude and use the optimal amount, to be economical to use, and to optimally mix two dental compositions. It is intended to provide a container for goods.

The above and other objects and novel features of the present invention will become more completely apparent when the following description is read in conjunction with the accompanying drawings. However, the drawings are for explanation only, and do not limit the technical scope of the present invention.

[0006]

SUMMARY OF THE INVENTION In order to achieve the above object, the present invention provides a cylindrical container body for storing a dental composition having a nozzle attached to a tip end thereof, and a slidable movable body in the container body. A piston for pushing out the dental composition stored in the container body attached to the container body from the nozzle, and a biasing spring so that a rear end portion of the container body always projects outward by a predetermined amount from a rear end portion thereof. A container for dental composition is constituted by the knocked body that is urged and a piston slide moving mechanism that slides the piston so as to push out a small amount of the dental composition from the nozzle by pressing the knocked body.

[0007]

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

In the first embodiment of the present invention shown in FIGS. 1 to 10, 1 is a container for a dental composition of the present invention,
The dental composition container 1 preferably contains a dental composition 3 such as a bonding material, an etching material, a primer, a cement, a composite resin, or a dental impression material having a nozzle 2 attached to a tip thereof, and preferably has a wavelength of 500 nm or less. A cylindrical container body 4 made of a material that blocks 90% or more of the light from the container body, and the dental composition 3 housed in the container body 4 slidably mounted inside the container body 4 is connected to the nozzle. A knocking body 7 urged by an urging spring 6 such that a rear end of the container body 4 always projects outward by a predetermined amount from a rear end of the container body 4;
By pressing the knock body 7, the piston 5
And a piston slide moving mechanism 8 that slides a small amount of dental composition 3 by one or two drops from the nozzle 2.

The piston slide moving mechanism 8 includes a mounting cylinder 11 having a screw portion 10 formed on an outer peripheral portion thereof which is screwed with a screw portion 9 formed on an inner wall surface of the container body 4 near a rear portion thereof.
A nut 14 having a threaded portion 13 formed on an inner wall surface and a support portion 12 for supporting one end of the urging spring 6 fixedly engaged with a distal end portion of the mounting cylinder 11; and a threaded portion of the nut 14. 13 and the piston 5
A non-circular threaded rod 15 having both sides formed flat and supports the other end of the biasing spring 6 slidably and non-rotatably attached to the threaded rod 15. A rotating body 19 having a plurality of tooth portions 18 each having a slanted end, which is locked by a support portion 16 and a locking piece 17 formed near the center of the mounting cylinder 11.
And a push fitted and fixed to a knock body 22 that is non-rotatably slidable and is stopped by a stopper piece 21 to engage with an axial guide groove 20 formed on the inner wall surface of the mounting cylinder 11. It is composed of a plurality of teeth 18 of the rotating body 19 formed at the tip of the pressure cylinder 23 and a tooth-shaped pressing pressure piece 24 having a chevron shape.

In the dental composition container 1 having the above structure, the container body 4 is pressed with a fingertip, and the knock body 22 of the knock body 7 is pressed and released with the thumb, whereby the pressing cylinder 2 of the knock body 7 is released.
3 is pushed inward against the urging force of the urging spring 6, and then returns to its original state.

The pushing of the pressing cylinder 23 causes the pressing piece 24 of the pressing cylinder 23 and the plurality of teeth 1 of the rotating body 19 to move.
8 and 8 are slid in the direction of the distal end while meshing with each other, and the rotating body 18 rotates by a predetermined amount.

The rotation of the rotating body 18 causes the screw rod 15 to rotate.
Similarly, the screw rod 15 screwed to the screw portion 13 of the nut 14 moves forward. For this reason, the piston 5 attached to the screw rod 15 also moves forward, and the dental composition 3 stored in the container body 4 is intermittently pushed out from the tip of the nozzle 2 by a fixed amount.

[0013]

Next, different embodiments of the present invention will be described with reference to FIGS.
Hereinafter, different embodiments of the present invention will be described. In the description of the different embodiments of the present invention, the same components as those of the first embodiment of the present invention are denoted by the same reference numerals, and duplicate description will be omitted.

The second embodiment of the present invention shown in FIGS. 11 and 12 is different from the first embodiment of the present invention mainly in that a nozzle 2A having a bent portion near the tip end is provided.
In this respect, the same effects as those of the first embodiment of the present invention can be obtained in the dental composition container 1A constituted by using the nozzle 2A formed in this manner, and the pan 25 Extrusion of the dental composition 3 into the dental composition 3 can be performed more easily.

The third embodiment of the present invention shown in FIGS. 13 and 14 is different from the first embodiment of the present invention mainly in that it is used as a syringe when used in the container body 4. The first embodiment of the present invention can be applied to a dental composition container 1B constituted by using the container body 4 thus formed in that the finger locking pieces 26, 26 that can be formed are formed. The same operation and effect as described above can be obtained, and the pushing out of the dental composition 3 into the pan 25 can be performed more easily.

The fourth embodiment of the present invention shown in FIGS. 15 to 18 differs from the second embodiment of the present invention mainly in that the tips of the nozzles 2 and 2 are directed in the same direction. In this way, the two container bodies 4, 4 are fixed with the fixture 27, and the cap 28, which can simultaneously press and press the rear ends of the knock bodies 7, 7, is attached to the dental container. The composition container 1C is used when two types of dental compositions 3 and 3A are mixed and used. In addition,
In the embodiment of the present invention, the dental composition container configured using the linear nozzles 2 and 2 has been described.
The present invention is not limited to this. For example, as shown in FIG. 18, a dental composition container configured using nozzles 2 </ b> A and 2 </ b> A having bent portions near the distal end may be used.

In the fifth embodiment of the present invention shown in FIGS. 19 to 21, the main difference from the first embodiment of the present invention is that the rear end portion of the container body 4 is more rearward than the rear end portion. A rotating member 29 rotatably mounted so as to protrude outward.
And a rotating body 19A slidably and non-rotatably attached to the screw rod 15 fixed to the rotating member 29.
In the dental composition container 1D configured as described above, the rotating member 19A is rotated by the rotation of the rotating member 29, and the screw rod 15 is rotated. Therefore, the first embodiment of the present invention described above. The same operation and effect as those described above can be obtained, and the contents are not pushed out unless the rotating member is rotated. Therefore, the contents can be prevented from being scattered from careless pressing such as impact.

The main difference between the sixth embodiment of the present invention shown in FIGS. 22 to 24 and the fifth embodiment of the present invention is that the tips of the nozzles 2A and 2A face in the same direction. The two container bodies 4 and 4 are fixed with the fixture 27 as described above, and the tooth portions 30 and 30 of the rotating members 29A and 29A having the tooth portions 30 and 30 formed on the outer peripheral portion of the rear end are attached to the tooth portions 3 and 30.
The point that the timing belt 34 meshing with 0, 30 is attached, the dental composition container 1E thus configured is used when mixing and using two types of dental compositions 3, 3A. Note that, in the embodiment of the present invention, the dental composition container configured using the nozzles 2A and 2A in which the portion near the distal end is bent has been described. However, the present invention is not limited to this. The container for the dental composition may be constituted.

The seventh embodiment of the present invention shown in FIG. 25 is mainly different from the first embodiment of the present invention in that a nozzle 2B having a medium diameter is formed. The dental composition container 1 configured using the container body 4A thus formed in that the container body 4A thus formed is used.
By setting it to F, the dental composition 3B having a moderately high viscosity can be extruded smoothly.

The eighth embodiment of the present invention shown in FIG. 26 is different from the first embodiment of the present invention mainly in that a container body 4B having a nozzle 2C having a large diameter is formed. By using a container 1G for dental composition constituted by using the container body 4B thus formed, a highly viscous dental composition 3C can be extruded smoothly.

The seventh and eighth embodiments of the present invention can be similarly applied to the second to sixth embodiments of the present invention.

[0022]

As is clear from the above description, the following effects can be obtained in the present invention.

(1) A cylindrical container main body in which a dental composition having a nozzle attached to the tip is stored, and a dental composition stored in the container main body slidably mounted in the container main body. A piston for pushing out an object from the nozzle, a knocking body urged by an urging spring such that a rear end portion of the container main body always projects outward by a predetermined amount from a rear end portion, and pressing the knocking body. And a piston slide moving mechanism that slides the piston so as to push out a small amount of the dental composition from the nozzle, by pressing the knocking body, the piston slide moving mechanism operates, and the piston slides. Small amounts of dental composition can be extruded. Therefore, the dental composition extruded from the nozzle is always extruded by a fixed amount, and can be used economically.

(2) According to the above (1), the dental composition can be constantly extruded from the nozzle by a constant amount by the pressing pressure of the knocking body. Can be extruded. Therefore, anyone can use it economically.

(3) According to the above (1), only the pressing force of the knocking body is sufficient, so that anyone can easily and casually push the dental composition into a saucer or the like.

(4) Claims 2 and 3 also have the above (1) to (3).
The same effect can be obtained.

(5) In the fourth, fifth and sixth aspects, substantially the same effects as in the above (1) to (3) can be obtained only by rotating the rotating member.

(6) Claim 7 can efficiently prevent deterioration of the dental composition stored in the container body.

[Brief description of the drawings]

FIG. 1 is a sectional view of a first embodiment of the present invention.

FIG. 2 is an enlarged sectional view taken along line 2-2 of FIG.

FIG. 3 is an enlarged sectional view taken along line 3-3 in FIG. 1;

FIG. 4 is a half sectional perspective view of a mounting cylinder according to the first embodiment of the present invention.

FIG. 5 is an explanatory diagram of a rotating body according to the first embodiment of the present invention.

FIG. 6 is an explanatory diagram of a nut and a screw rod according to the first embodiment of the present invention.

FIG. 7 is an explanatory diagram of a pressing cylinder according to the first embodiment of the present invention.

FIG. 8 is an explanatory view showing a locked position state of a rotating body before pushing a knocking body.

FIG. 9 is an explanatory diagram showing a state in which a knocking body is pushed to rotate a rotating body.

FIG. 10 is an explanatory diagram of a use state according to the first embodiment of the present invention.

FIG. 11 is a sectional view of a second embodiment of the present invention.

FIG. 12 is an explanatory diagram of a state of use according to the second embodiment of the present invention.

FIG. 13 is a sectional view of a third embodiment of the present invention.

FIG. 14 is an explanatory diagram of a use state according to the third embodiment of the present invention.

FIG. 15 is an explanatory diagram of a use state according to the fourth embodiment of the present invention.

16 is an enlarged sectional view taken along line 16-16 of FIG.

FIG. 17 is a partially broken cross-sectional view of a fourth embodiment of the present invention.

FIG. 18 is a reference view of a nozzle according to a fourth embodiment of the present invention.

FIG. 19 is a sectional view of a fifth embodiment of the present invention.

FIG. 20 is an enlarged sectional view taken along line 20-20 in FIG. 19;

FIG. 21 is an explanatory diagram of a use state according to the fifth embodiment of the present invention.

FIG. 22 is an explanatory diagram of a use state according to the sixth embodiment of the present invention.

FIG. 23 is an enlarged sectional view taken along line 23-23 of FIG. 22;

FIG. 24 is a partially broken cross-sectional view of the sixth embodiment of the present invention.

FIG. 25 is a sectional view of a seventh embodiment of the present invention.

FIG. 26 is a sectional view of an eighth embodiment of the present invention.

[Explanation of symbols]

1, 1A to 1G: container for dental composition, 2, 2A, 2B,
2C: nozzle, 3, 3A, 3B, 3C: dental composition,
4, 4A, 4B: container body, 5: piston, 6: biasing spring, 7: knock body, 8: piston slide moving mechanism, 9: screw portion, 10: screw portion, 11: mounting cylinder, 12: support portion , 1
3: Screw part, 14: Nut, 15: Screw rod, 16: Support part, 17: Locking piece,
18: tooth portion, 19, 19A: rotating body,
20: guide groove, 21: stopper piece, 22:
Knock body, 23: push pressure cylinder, 24: push pressure piece, 25: saucer, 26: finger locking piece,
27: fixture, 28: cap, 29,
29A: rotating member, 30: tooth portion, 31: timing belt.

Claims (7)

[Claims] 1. A cylindrical container body for storing a dental composition having a nozzle attached to a distal end thereof, and a dental composition housed in the container body slidably mounted in the container body. A piston pushed out from the nozzle, a knocking body urged by an urging spring such that a rear end of the container main body always projects outward by a predetermined amount from a rear end, and by pressing the knocking body, A container for a dental composition, comprising: a piston slide moving mechanism that slides the piston so as to push a small amount of the dental composition from the nozzle. 2. A cylindrical container body for storing a dental composition having a nozzle attached to a tip thereof, and a dental composition stored in the container body slidably mounted in the container body. A piston pushed out from the nozzle, a knocking body urged by an urging spring such that a rear end of the container main body always projects outward by a predetermined amount from a rear end, and by pressing the knocking body, The piston is slid so as to push a small amount of the dental composition from the nozzle. A non-circular screw rod having a thread formed on an outer peripheral portion attached to the piston, fixed to a portion near the center of the container body. A nut to be screwed with the threaded rod, a pressing piece having a plurality of chevron-shaped teeth formed at the tip of the knocking body, and pressing the pressing piece by the urging spring. The rotation is slidably and non-rotatably mounted on the screw rod having an engagement portion formed on the outer peripheral portion, the engagement portion being engaged with the tooth portion of the pressing pressure piece and rotating by a predetermined amount by the pressing force of the pressing pressure piece. A dental composition container, comprising: a piston slide moving mechanism comprising a body. 3. The two container bodies are fixed by a fixture so that the tip portions of the nozzles face in the same direction, and a cap that can be simultaneously pressed is attached to a rear end portion of the knocking body. The container for dental composition according to claim 1 or 2, wherein the container is used. 4. A cylindrical container body for storing a dental composition having a nozzle attached to a tip portion, and a dental composition housed in the container body slidably mounted in the container body. A piston that pushes the piston out of the nozzle, a rotating member that is rotatably mounted such that a rear end of the container main body protrudes outward from a rear end of the container main body, and that the piston is rotated by rotating the rotating member so that the nozzle becomes the nozzle. And a piston slide moving mechanism that slides a small amount of the dental composition so as to extrude the dental composition from the container. 5. A cylindrical container body for storing a dental composition having a nozzle attached to a tip thereof, and a dental composition housed in the container body slidably mounted in the container body. A piston that pushes the piston out of the nozzle, a rotating member that is rotatably mounted such that a rear end of the container main body protrudes outward from a rear end of the container main body, and that the piston is rotated by rotating the rotating member so that the nozzle becomes the nozzle. A non-circular threaded rod with a thread formed on the outer periphery attached to the piston, which slides so as to push out a small amount of the dental composition, and the threaded rod fixed to a portion near the center of the container body A piston sliding movement mechanism comprising: a nut screwed with the rotating member; and a rotating body slidably and non-rotatably attached to the screw rod provided at the tip of the rotating member. A container for a dental composition, comprising: 6. The two container bodies are fixed by a fixture so that the tips of the nozzles face in the same direction, and a belt that can be simultaneously rotated is attached to the rear end of the rotating body. The container for dental composition according to claim 4 or 5, wherein the container is used. 7. The dental composition container according to claim 1, wherein the container body is formed of a material that blocks 90% or more of light having a wavelength of 500 nm or less.