Spray can

Abstract

To provide a spray can which can spray a liquid in multiple line form having different thicknesses.SOLUTION: A spray can 1 includes: a container body 2 which contains a liquid content; a pipe-shaped valve which is attached to an upper part of the container body 2 in a protruding manner and discharges the content from its tip when moved downward; and a nozzle 4 attached to the valve. The nozzle 4 includes: a nozzle center part 41; and a plate-like part 42 connected to an outer periphery of the nozzle center part 41 and extending in a direction perpendicular to a vertical direction and may rotate with the valve. The nozzle center part 41 is provided with: a slit-like jet port 44 which jets the content upward; a hole part into which a tip of the valve is fitted; and a communication hole which allows communication between the jet port 44 and a bottom of the hole part. In the plate-like part 42, marks 45N, 45W are attached in a state that a position located on an extension of a longitudinal direction of the jet port 44 and / or a position on a line passing through a center of the jet port 44 in a direction perpendicular to the longitudinal direction of the jet port 44 are set to respective centers thereof.SELECTED DRAWING: Figure 1

Description

Technical Field

[0001] The present invention relates to a spray can, and more particularly to a spray can suitable for use as a paint for road markings.

Background Art

[0002] Conventionally, spray cans have been used as a means for injecting liquids. A spray can is sold in a state where the liquid to be injected and compressed inert gas are filled in the container body, and the user can easily inject the liquid toward the object just by pushing in the nozzle immediately after obtaining it, and it has been established as one of the injection means. Among them, paint spray cans that can spray paint are widely commercially available because the contained paint does not come into contact with the outside air and the paint is difficult to harden until it is sprayed.

[0003] When a liquid is injected by a spray can, the liquid is sprayed onto the object in a plane while spreading approximately circularly. Therefore, for example, when trying to spray paint with a paint spray can when wanting to draw a thin line, it is necessary to mask the areas where paint is not desired to adhere. In particular, it would be convenient if paint could be easily sprayed with a paint spray can when simply wanting to draw a line on the road surface of a parking lot or the like.

[0004] In order to obtain a paint spray can for the purpose of drawing a line without masking, a nozzle that does not allow the sprayed paint to spread much may be used. However, if the degree of spread of the nozzle is fixed, only a line of a certain thickness can be drawn, and the user has to prepare a plurality of paint spray cans equipped with nozzles that can draw the desired line thickness and use them separately each time.

[0005] As an application of a spray can that requires the liquid to be sprayed in a line, the above has been described by taking a paint spray can as an example. However, for example, spraying the liquid in a line, such as a mold remover that requires spraying along a joint or an insect repellent that requires spraying along the path of insects, can also be required for spray cans used for purposes other than paint spray cans.

Prior Art Documents

Patent Documents

[0006]

Patent Document 1

Summary of the Invention

Problems to be Solved by the Invention

[0007] Therefore, an object of the present invention is to provide a spray can that can spray the liquid content in a line with different thicknesses using a single can.

Means for Solving the Problems

[0008] The above object is achieved by the following [1] to [5] of the present invention. [1] A spray can comprising at least a container body for containing a liquid content, a pipe-shaped valve protruding and attached to the upper part of the container body, and the content being discharged from the tip when moved downward, and a nozzle attached to the valve, wherein the nozzle has a nozzle central portion including an attachment portion to the valve, and a plate-shaped portion connected to the outer periphery of the nozzle central portion and extending in a direction perpendicular to the vertical direction, and is rotatable together with the valve, a slit-shaped injection port for injecting the content discharged from the tip of the valve upward, a hole portion into which the tip of the valve is fitted, and a communication hole communicating the injection port and the bottom of the hole portion are formed in the nozzle central portion. On the plate-like portion, there is a spray can marked with a mark regarding the spray width of the content sprayed from the injection port, centered on a first position that is an extension in the longitudinal direction of the injection port and / or a second position that is in a direction perpendicular to the longitudinal direction of the injection port and on a line passing through the center of the injection port. [2] The spray can according to [1], wherein the plate-like portion is disk-shaped. [3] The spray can according to [1], wherein the plate-like portion is formed by assembling flat plates in a cross shape, and the mark is attached to at least one of the cross-shaped flat plates. [4] The spray can according to [3], wherein the width of the cross-shaped flat plate itself is the mark. [5] At the upper part of the container body, there is a circular recess that is concentric with the valve, and the valve protrudes from the center of the bottom of the recess. On the nozzle, a cylindrical portion that is concentric with the valve protrudes from below the plate-like portion. The spray can according to any one of [1] to [4], wherein the cylindrical portion is fitted into the recess so as to be vertically movable.

Advantages of the Invention

[0009] According to the spray can of the present invention, it is possible to provide a spray can that can spray the liquid content in a linear shape with different thicknesses using a single can.

Brief Description of the Drawings

[0010]

Figure 1

Figure 2

Figure 3

Figure 4

Figure 5

Figure 6

Figure 7

Figure 8

Figure 9

Mode for Carrying Out the Invention

[0011] Hereinafter, a spray can according to an embodiment, which is an exemplary aspect of the present invention, will be described with reference to the drawings. This embodiment is an example of a spray can for a road marking paint for painting lines in a parking lot or the like. FIG. 1 is a perspective view of the spray can according to this embodiment, and FIG. 2 is a partial cross-sectional view thereof. FIG. 2 depicts only the vicinity of the upper nozzle as a cross-section.

[0012] Note that the notations of the vertical relationship in the present invention or this embodiment mean the vertical relationship in the state where the spray can is generally stood upright with the nozzle upward when storing or distributing the spray can. Therefore, the vertical relationship referred to here has nothing to do with the vertical relationship during the use of the spray can. In particular, the spray can according to this embodiment is normally used with the top and bottom reversed.

[0013] As shown in FIGS. 1 and 2, the spray can 1 according to this embodiment includes a container body 2 that stores a liquid content, a pipe-shaped valve 3 that protrudes and is attached to the upper part of the container body 2 and discharges the content from the tip when moved downward, and a nozzle 4 attached to the valve 3.

[0014] The container body 2 is a metal can, and has a cylindrical body portion 21, a bottom portion 22 that closes the bottom of the body portion 21, and an upper closing portion 23 that closes the upper portion of the body portion 21 and to which a valve 3 is attached at the center. The container body 2 contains a liquid content such as paint and is filled with a compressed inert gas.

[0015] The upper closing portion 23 has a ring-shaped shoulder portion 23a that protrudes upward and a circular recessed portion 23b that is concentric with the valve 3. The recessed portion 23b is recessed downward from the upper end of the upwardly protruding shoulder portion 23a and has a circumferential inner peripheral surface. Also, the valve 3 protrudes from the center portion of the bottom 23b' of the recessed portion 23b.

[0016] FIG. 3 is a plan view of the nozzle 4, FIG. 4 is a perspective view of the nozzle 4 from obliquely above, and FIG. 5 is a cross-sectional view taken along line A-A in FIG. 3. As shown in FIGS. 3 to 5, the nozzle 4 has a nozzle central portion 41 including a mounting portion to the valve 3 and a plate-like portion 42 that connects to the outer periphery of the nozzle central portion 41 and extends in a direction perpendicular to the vertical direction. The nozzle 4 is rotatable together with the valve 3.

[0017] The nozzle central portion 41 further has a protruding portion 47 that protrudes upward and four ribs 46 that rise upward from the outer peripheral surface. The four ribs 46 are protrusions for making the spray pattern width (narrow direction) clearer and are provided centered on a position that is an extension in the longitudinal direction of the rectangular injection port 44. Similar to the first mark rib 45N described later, it has the function of the "mark" as referred to in the present invention.

[0018] The nozzle central portion 41 is formed with a slit-shaped injection port 44 for injecting the content contained in the container body 2 upward, a hole portion 48 into which the tip of the valve 3 is fitted, and a communication hole 49 that communicates the injection port 44 and the bottom 48a of the hole portion 48. The injection port 44 is formed at the tip of the protruding portion 47.

[0019] In this embodiment, the plate-like portion 42 is disk-shaped. Further, as shown in FIG. 5, a cylindrical portion 43 concentric with the valve 3 protrudes from below the plate-like portion 42 in the nozzle 4. This cylindrical portion 43 is vertically movably fitted into the recessed portion 23b at the upper part of the container body 2. The cylindrical portion 43 moves up and down in a rubbing state on the inner peripheral surface of the recessed portion 23b or with a very narrow gap.

[0020] As shown in FIG. 3, on the plate-like portion 42, a pair of low-profile first mark ribs 45N are provided centering on a first position (the position on the line L x above) that is an extension in the longitudinal direction (the arrow x direction and the reverse direction) of the injection port 44. Further, on the plate-like portion 42, a pair of low-profile second mark ribs 45W are provided centering on a second position (the position on the line L y above) that is perpendicular to the longitudinal direction of the injection port 44 and passes through the center of the injection port 44. These first mark ribs 45N and second mark ribs 45W correspond to marks regarding the injection width of the content injected from the injection port 44, that is, the "marks" referred to in the present invention.

[0021] In the spray can 1 according to this embodiment, with the spray can 1 turned upside down and the injection port 44 facing the road surface as the object to be coated, by pushing the nozzle 4 downward (actually upward because it is turned upside down) in the drawing, the paint as the content is injected from the slit-shaped injection port 44 while spreading slightly in a plate shape.

[0022] In the spray can 1 according to this embodiment, when manually applying, the operation of pushing the nozzle 4 downward is performed by gripping the container body 2 so as to wrap it with the thumb, ring finger, and little finger, placing the index finger and middle finger on the upper surface of the nozzle 4, and bending the index finger and middle finger downward to push and inject the paint as the content from the injection port 44.

[0023] In addition, the spray can 1 according to the present embodiment is set by being turned upside down on a line-drawing device (not shown) with wheels, and the line-drawing device is made to travel while pushing the nozzle 4 downward, whereby a straight line can be easily formed. At this time, a grip lever (not shown) may be provided on the handle portion of the line-drawing device, and the nozzle 4 may be pushed downward when the user grips the grip lever.

[0024] The grip lever (not shown) is interlocked with a pressing member (not shown), and when the grip lever is gripped, the pressing member moves to push the nozzle 4 downward. The pressing member is arranged to contact the upper surface of the nozzle 4 so as to avoid the injection port 44 and in a pair of linear shapes centered on the injection port 44 or in a circular or arc shape surrounding the injection port 44. The pressing member may have three or more contact points centered on the injection port 44. By having a plurality of contact points centered on the injection port 44 or having linear contact points surrounding it, the spray can 1 can be easily set on the line-drawing device, and the downward pushing of the nozzle 4 during the coating operation can be stably performed.

[0025] In the spray can 1 according to the present embodiment, the nozzle 4 is rotatable together with the valve 3 as described above. Therefore, when drawing a line on the road surface with the spray can 1 according to the present embodiment, the nozzle 4 is rotated, and the coating operation is performed after appropriately aligning the moving direction of the spray can 1 and the direction of the nozzle 4.

[0026] FIGS. 6 and 7 are explanatory diagrams for explaining the relationship between the moving direction R of the spray can 1 and the direction of the nozzle 4. FIG. 6 shows a state in which a thin line LN is being drawn, and FIG. 7 shows a state in which a thick line LW is being drawn. As shown in FIGS. 6 and 7, the nozzle 4 is rotatable in the direction of the double-headed arrow T together with a valve 3 (not shown) centered on the injection port 44.

[0027] Note that FIGS. 6 and 7 are explanatory diagrams for explaining the relationship between the moving direction R of the spray can 1 and the orientation of the nozzle 4. In actual painting work, the injection port 44 faces the road surface side (the side of the surface on which the lines LN and LW are formed, that is, the back side in the plane of the drawing) and cannot be visually recognized.

[0028] When trying to form the thin line LN, as shown in FIG. 6, the orientation of the nozzle 4 may be adjusted so that the first mark rib 45N with a narrow pair of rib intervals coincides with the moving direction R of the spray can 1, and the painting work may be advanced. Since the injection port 44 of the nozzle 4 is formed in a slit shape, the paint, which is the content, is injected while spreading to some extent in the longitudinal direction (the direction of arrow x and its reverse direction) of the injection port 44 and hardly spreading in the direction perpendicular to the longitudinal direction of the injection port 44 (the direction of arrow y and its reverse direction).

[0029] Therefore, as shown in FIG. 6, by adjusting the orientation of the nozzle 4 so that the first mark rib 45N with a narrow pair of rib intervals coincides with the moving direction R of the spray can 1 and injecting the paint, the injection width of the paint injected from the injection port 44 becomes narrow, and a thin line LN can be formed. On the other hand, as shown in FIG. 7, by adjusting the orientation of the nozzle 4 so that the second mark rib 45W with a wide pair of rib intervals coincides with the moving direction R of the spray can 1 and injecting the paint, the injection width of the paint injected from the injection port 44 becomes wide, and a thick line LW can be formed.

[0030] When applying manually, the spray can 1 may be moved while applying it so that the first mark rib 45N or the second mark rib 45W coincides with the moving direction R. When applying with a line-drawing device, the nozzle 4 of the spray can 1 set in the line-drawing device may be rotated so that the first mark rib 45N or the second mark rib 45W coincides with the traveling direction of the line-drawing device.

[0031] Thus, according to the spray can 1 according to this embodiment, since the injection port 44 of the nozzle 4 is slit-shaped, by simply selecting the direction of the injection port 44 and the moving direction of the spray can 1, spraying can be performed on the object to be coated with two types of thicknesses. Therefore, according to the spray can 1 according to this embodiment, two types of wide and narrow lines LW and LN can be easily formed with a single spray can 1.

[0032] Also, according to the spray can 1 according to this embodiment, since marks (the first mark rib 45N and the second mark rib 45W) are provided on the plate-shaped portion 42 of the rotating nozzle 4, spraying with two types of thicknesses on the object to be coated can be easily selected. Therefore, according to the spray can 1 according to this embodiment, two types of wide and narrow lines LW and LN can be easily selected and formed with a single spray can 1.

[0033] Note that by positioning the marks (the first mark rib 45N and the second mark rib 45W) not to coincide with the moving direction of the spray can 1 but in the middle thereof, it is also possible to form a line of a coating film with a stepless thickness between the thick line and the narrow line. When setting the spray can 1 on the line drawing device for coating, a mechanism may be provided so that the injection of the paint is locked at an intermediate stage where the position of the mark does not coincide with the moving direction of the spray can 1 so that a line of a coating film with an intermediate thickness is not formed. Alternatively, a mechanism may be provided to hold the rotation of the nozzle 4 at a place where the position of any one of the marks coincides with the moving direction of the spray can 1.

[0034] Furthermore, in the spray can 1 according to this embodiment, since the cylindrical portion 43 protruding from below the plate-shaped portion 42 of the nozzle 4 is fitted into the recessed portion 23b at the upper part of the container body 2 so as to be vertically movable, the pressing of the nozzle 4 downward is smooth and the nozzle 4 is difficult to come off from the valve 3.

[0035] The embodiments described above are merely examples of typical forms of the present invention, and the present invention is not limited to these embodiments. For example, in the above embodiments, as a mark, an example in which the low - height first mark rib 45N and the second mark rib 45W are provided is shown, but the mark is not limited to this configuration. For example, instead of ribs, a pair of lines may be drawn on the surface of the plate - like portion, or the ribs or lines themselves may be made into one thick - line shape and one thin - line shape.

[0036] The mark does not have to be a shape directly indicating thickness like ribs or lines, and may be indicated by characters such as "thick" or "thin" (see the nozzle 104 of the modified example shown in FIGS. 8 and 9). Further, the mark does not necessarily have to be provided on the upper surface of the plate - like portion 42. For example, the end of the plate - like portion 42 may be projected in an obtuse - angled or acute - angled shape and used as a mark.

[0037] Also, in the above embodiments, the marks are attached in four directions of the disk - shaped plate - like portion 42, but it is sufficient if they are attached in at least one or more of these directions. Explaining using the reference numerals of the above embodiments (particularly referring to FIG. 3), in the present invention, on the plate - like portion 42, at a position that is an extension of the longitudinal direction of the injection port 44 (the arrow x direction and the reverse direction) (the position on the line L x above), and in a direction perpendicular to the longitudinal direction of the injection port 44 (the arrow y direction and the reverse direction), at a position on the line L y above that passes through the center of the injection port 44, it is sufficient if a mark is attached around at least any one of these positions. Of course, it is preferable that marks are attached to both the position that is an extension of the longitudinal direction of the injection port 44 (the arrow x direction and the reverse direction) (the position on the line L x above) and the position in a direction perpendicular to the longitudinal direction of the injection port 44 (the arrow y direction and the reverse direction), at a position on the line L y above that passes through the center of the injection port 44.

[0038] Also, in the above embodiments, the plate - like portion 42 is disk - shaped, but the shape of the plate - like portion 42 is not limited to this. For example, it may be a polygonal shape such as a rectangular shape or a triangular shape, a star shape, a cross shape, or other various regular or irregular shapes.

[0039] When the shape of the plate-like part is cross-shaped, four rectangular flat plates may be assembled in a cross shape. The "assembled in a cross shape" as used herein means a state in which the rectangular flat plate-like parts are arranged in four directions, and these parts may be integrally formed or assembled separately, and both are included in the concept of "assembled in a cross shape".

[0040] A plan view showing an example (modification) of a nozzle in which the shape of the plate-like part is cross-shaped is shown in FIG. 8, and a perspective view from obliquely above is shown in FIG. 9. In the nozzle 104 of the modification shown in FIGS. 8 and 9, for the members having the same configuration as the nozzle 4 used in the spray can 1 of the above embodiment, a "1" is added to the head of the reference numeral of the nozzle 4 to make it a reference numeral in the hundreds series.

[0041] Therefore, in the nozzle 104 of the modification shown in FIGS. 8 and 9, the members of each reference numeral indicate the members of the nozzle 4 in the 40s series of the reference numeral excluding the hundreds place of the same reference numeral, and the members having the same configuration as those of the nozzle 4 in the above embodiment unless otherwise specified. Further, the cross-sectional shape of the nozzle 104 is approximately the same as that of the nozzle 4 in the above embodiment. Refer to FIG. 5 (however, the nozzle 104 does not have a member corresponding to the protruding portion 47).

[0042] As shown in FIGS. 8 and 9, the nozzle 104 of the modification includes a nozzle central portion 141 including a mounting portion to a valve (refer to the valve 3 in FIG. 2) not shown, and a plate-like portion 142 connected to the outer periphery of the nozzle central portion 141 and extending in a direction perpendicular to the vertical direction. The nozzle 104 is rotatable together with a valve not shown. Note that the entire nozzle 104 including the nozzle central portion 141, the plate-like portion 142, and the cylindrical portion 143 is formed by integral molding.

[0043] In the present embodiment, the plate-like portion 142 has a cross shape, and four rectangular flat plates 142a, 142b, 142c, and 142d are assembled in a cross shape.

[0044] As shown in FIG. 8, on the upper surfaces of the flat plates 142a and 142b of the plate-like portion 142, a first position (line L x at the upper position) that is an extension in the longitudinal direction of the injection port 144 (the arrow x direction and the reverse direction thereof) is provided with a first mark convex portion 145N protruding in the shape of the character "thin".

[0045] Further, on the upper surfaces of the flat plates 142c and 142d of the plate-like portion 142, in a direction perpendicular to the longitudinal direction of the injection port 144 (the arrow y direction and the reverse direction thereof), a line L passing through the center of the injection port 144 y at the upper position is provided with a second mark convex portion 145W protruding in the shape of the character "thick".

[0046] These first mark convex portions 145N and second mark convex portions 145W correspond to marks regarding the injection width of the content injected from the injection port 144, that is, the "marks" referred to in the present invention. The first mark convex portion 145N in the shape of the character "thin" is a mark for a narrow injection width, and the second mark convex portion 145W in the shape of the character "thick" is a mark for a wide injection width.

[0047] Therefore, when the nozzle 104 of the modification is used instead of the nozzle 4 in the above embodiment, in the same manner as in the above embodiment, by adjusting the orientation of the nozzle 104 so that the extending direction of the flat plates 142a and 142b provided with the first mark convex portion 145N in the shape of the character "thin" coincides with the moving direction of the spray can and injecting the paint, the injection width of the paint injected from the injection port 144 becomes narrow, and a narrow line can be formed.

[0048] Also, by adjusting the orientation of the nozzle 104 so that the extending direction of the flat plates 142c and 142d provided with the second mark convex portion 145W in the shape of the character "thick" coincides with the moving direction of the spray can and injecting the paint, the injection width of the paint injected from the injection port 144 becomes wide, and a thick line can be formed.

[0049] When the shape of the plate-like portion is cross-shaped, the rectangular flat plate-like portions (flat plates 142a, 142b, 142c, 142d) may be directly connected to the outer periphery of the nozzle central portion 141 as in the examples shown in FIGS. 8 and 9, or may be once connected to a ring-shaped portion so that the inner periphery of the ring-shaped portion is connected to the outer periphery of the nozzle central portion.

[0050] When the plate-like portion is cross-shaped, it is sufficient that at least any one of the cross-shaped flat plates is marked with the mark referred to in the present invention. Of course, it is preferable that marks are provided on two flat plates whose included angle in the extending direction is a right angle among the cross-shaped flat plates, and it is more preferable that marks are provided on all the flat plates.

[0051] When the plate-like portion is cross-shaped, by changing the width of the cross-shaped flat plate itself into two types of wide and narrow, this may be used as the mark referred to in the present invention.

[0052] In addition, those skilled in the art can implement various modifications without departing from the gist of the present invention in accordance with conventionally known knowledge. As long as the configuration of the spray can of the present invention is still provided by such modifications, of course, it is included in the scope of the present invention.

Explanation of Signs

[0053] 1: Spray can, 2: Container body, 3: Valve, 4, 104: Nozzle, 21: Barrel portion, 22: Bottom portion, 23: Upper closing portion, 23a: Shoulder portion, 23b: Depression portion, 23b′: Bottom, 41, 141: Nozzle central portion, 42, 142: Plate-like portion, 43, 143: Cylindrical portion, 44, 144: Injection port, 45N: First mark rib (mark), 45W: Second mark rib (mark), 46, 146: Rib, 47: Protrusion 48: Hole part 48a: Bottom 49: Communication hole 142a, 142b, 142c, 142d: Flat plate 145N: First mark protrusion (mark) 145W: Second mark protrusion (mark)

Claims

1. A spray can comprising at least a container body for accommodating a liquid content, a pipe-shaped valve attached to an upper portion of the container body so as to protrude therefrom and which ejects the content from a tip when moved downward, and a nozzle attached to the valve, The nozzle has a nozzle center portion including an attachment portion to the valve, and a plate-shaped portion connected to an outer periphery of the nozzle center portion and extending in a direction perpendicular to the up-down direction, and is rotatable together with the valve; The nozzle has a central portion formed with a slit-shaped nozzle for spraying the contents discharged from the tip of the valve upward, a hole into which the tip of the valve fits, and a communication hole for communicating the nozzle with the bottom of the hole, The plate-shaped portion is provided with markings regarding the spray width of the contents sprayed from the nozzle, the markings being centered on a first position which is an extension of the longitudinal direction of the nozzle and / or a second position which is on a line perpendicular to the longitudinal direction of the nozzle and passes through the center of the nozzle.

2. 2. The spray can according to claim 1, wherein the plate-shaped portion is disk-shaped.

3. 2. The spray can according to claim 1, wherein the plate-shaped portion is made up of flat plates arranged in a cross shape, and the mark is provided on at least one of the flat plates arranged in the cross shape.

4. 4. The spray can according to claim 3, wherein the mark is a width of the cross-shaped flat plate itself.

5. The upper portion of the container body has a circular recess concentric with the valve, and the valve protrudes from the center of the bottom of the recess. The nozzle has a cylindrical portion protruding from below the plate-like portion and concentric with the valve, 5. The spray can according to claim 1, wherein the cylindrical portion is fitted into the recess so as to be movable up and down.

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