JP2003128061A - Can - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a can which is vertically stacked to facilitate the transportation or storage thereof, and has an excellent sealability which prevents the deformation or breakage of a press cap thereof even in a careless dropping of the can and hence prevents the leakage of the content thereof, and further in which the discharging time of the content thereof is shortened to facilitate the discharging of the whole residue of the content. SOLUTION: The periphery of an opening forming the inner periphery of a ceiling plate 3 is formed as a circular inner peripheral wall which is lower than a circular outer peripheral wall 4 and is directed upward. When the press- fit cap 10 is provided along the circular inner peripheral wall of the ceiling plate 3, the upper surface 10a of the press cap 10 is arranged to be as high as or lower than that of the top surface 4a of the circular outer peripheral wall 4 which connects the outer periphery of the ceiling plate 3 with the upper end 1a of the barrel 1 of the can.

Description

Description: BACKGROUND OF THE INVENTION [0001] 1. Field of the Invention [0002] The present invention relates to a can for storing articles such as paints and chemicals. 2. Description of the Related Art Heretofore, cans having various shapes such as a square shape and a round shape are known as cans of this type. As a round can, for example, a can shown in FIGS. 6 and 7 is known. The prior art can will be described below with reference to FIGS. 6 and 7. FIG. 6 and 7, reference numeral 01 denotes a can body. A bottom plate 02 is formed at the lower end of the can body 01, and is formed outside the inner peripheral wall 03b of a top plate 03 having a wide-opening 03a at the upper end. The annular projection 06 formed on the back surface of the canopy 05 is fitted into the annular groove 04 thus formed, and the canopy 05 is fixed to the top plate 03. The canopy 05 has a small-diameter opening formed at the center thereof, and a base 07 having a small-diameter entrance 08 is fixed to the rim of the opening by caulking, welding, or the like. The canopy 05
The outer peripheral edge of the top plate 03 and the upper end of the can body 01 are higher than the top portion 01a of the annular outer peripheral side wall at the connecting portion. A small-diameter push-type cap 0 is attached to the base 07.
The cover 9 is covered, and the entrance 08 of the base 07 is closed so that the contents such as paints and chemicals contained in the can do not leak. The push-type cap 09 is made of an elastic material such as stainless steel, and has a small-diameter cap main body 01 having a large number of vertical notches formed in its outer peripheral hanging wall 011.
0, and a protector 012 which is attached so as to cover the outer peripheral edge of the small-diameter cap main body 010 when the lid is closed, and is detached when the lid is opened. When the lid is closed, the vicinity of the outer periphery of the small-diameter cap body 010 is pushed to close the entrance 08 of the base 07, and when the lid is opened, the center part of the small-diameter cap body 010 is pushed to open the entrance 08 of the base 07. However, in the conventional can described above, the base 07 and the canopy 05 are connected to the outer peripheral edge of the top plate 03 and the upper end of the can body 01 in the closed state. Because it is made to be higher than the top 01a of the annular outer peripheral side wall of the part, cans of the same structure cannot be stacked in the vertical direction, and the occupied area must be increased in transportation and storage, which is inconvenient. there were. If the can is accidentally dropped, the base 07 and the canopy 05 project higher than the top 01a of the annular outer peripheral side wall of the can body 01, so that the base 07 and the canopy 05 are deformed or damaged. As a result, there is a problem that the hermeticity is impaired and the contents leak out. Further, in the above-mentioned conventional can, there is also a problem that, due to a local impact or the like, the contents leak from the gap between the fitting portions of the top plate 03 and the canopy 05 of the can. In addition, since the push-type cap 09 which covers the base 07 has a small diameter, when discharging the contents, the discharge time of the contents becomes longer, and when the amount of the remaining materials is reduced, When the can is tilted to discharge the remaining amount of the contents, it is difficult to discharge the entire remaining amount because the top plate 03 and the canopy 05 have large areas. The present invention has been devised in order to solve the problems of the above-mentioned conventional cans. A plurality of cans can be stacked in a vertical direction, so that they can be conveniently transported and stored. Even if it is accidentally dropped, the push-type cap is prevented from being deformed or damaged to prevent the contents from leaking out, and the above-mentioned conventional canopy is omitted and the fitting portion between the canopy and the can top plate is omitted. To provide a can with excellent sealing performance that prevents leakage of stored items from the gaps, and to shorten the discharge time of the stored items and to easily discharge the entire remaining amount of the stored items. The purpose is to do. In order to achieve the above object, a can of the present invention has a wide opening formed in a top plate of the can, and an outer peripheral edge of the top plate and an upper end portion of the can body. And a joint portion with the outer peripheral side wall of the top plate, and an opening edge forming an inner peripheral edge of the top plate is an upwardly-facing annular inner peripheral side wall lower than the annular outer peripheral side wall of the top plate. The peripheral side wall has a large-diameter cap body that closes the opening of the top plate by pressing near the outer periphery when the lid is closed, and pushes the center part to open the opening of the top plate when the lid is opened. A push-type cap comprising a protector which is attached so as to cover the peripheral portion and is detached when the lid is opened is provided.When the push-type cap is provided on the annular inner peripheral side wall of the top plate, the push-type cap is provided. The upper surface of the moving cap is the outer edge of the top plate and the upper end of the can body It is the same as or lower than the top of the annular outer peripheral side wall of the connecting portion with the portion. FIG. 1 shows an example of an embodiment of the present invention.
This will be described below with reference to FIG. A can body 1 has a bottom plate 2 formed at a lower end thereof and a top plate 3 having a wide opening 3a formed at an upper end thereof. The top plate 3 is connected to the upper end of the can body 1, and various connection structures can be employed. In this embodiment, as shown in FIGS. 1 and 3, the upper end 1 a of the can body 1 and the outer peripheral edge 3 b of the top plate 3 are joined by tightening, and the joined portion is formed as an annular outer peripheral side wall 4 upward. Projecting. The top plate 3 is provided on the annular outer peripheral side wall 4.
An upwardly directed annular inner peripheral side wall 6 lower than the annular outer peripheral side wall 4 of the top plate 3 is integrally formed with the opening edge 3c which forms the inner peripheral edge of the top plate 3 through the flat portion 5 further inward. are doing.
In addition, since the annular inner peripheral side wall 6 is formed integrally with the top plate 3 itself, work steps can be omitted and work efficiency can be improved as compared with the conventional example. The ring-shaped inner peripheral side wall 6 of the top plate 3 is covered with a push-type cap 10 having a large diameter to close the opening 3a of the top plate 3 and housed inside a can. To prevent the leakage of contained materials such as paints and chemicals. The push-type cap 10 is made of an elastic material such as stainless steel, and has a large-diameter cap body 1 having a large number of vertical notches 12 formed in an outer peripheral hanging wall 11.
3 and a large-diameter protector 16 that is attached so as to cover the outer peripheral edge of the large-diameter cap body 13 when the lid is closed, and is detached when the lid is opened. In addition, a backing plate 14 is interposed on the back side of the cap body 13, so that the stored object comes into contact with the back surface of the cap body 13 due to the vibration of the can and the like, so that the cap body 13 and the stored object are not stained. It is. When the lid is closed, the large-diameter cap body 13 is closed.
Of the cap body 13 against the annular inner peripheral side wall 6 of the top plate 3.
Then, by pressing the vicinity of the outer periphery, the opening 3a of the top plate 3 is closed, and then the protector 16 is mounted so as to cover the outer peripheral side wall of the cap body 13. At this time, when the push-type cap 10 is provided on the annular inner peripheral side wall 6 of the top plate 3, the upper surface 10 a of the push-type cap 10 is fixed to the outer peripheral edge 3 b of the top plate 3 and the can body 1.
Of the annular outer peripheral side wall 4 at the joint portion with the upper end portion 1a. With such a configuration, another can having the same structure can be stably placed on the top of the can, so that a plurality of cans can be vertically stacked. When the cover is opened from the above-mentioned closed state, the knob 16a of the protector 16 is gripped and lifted by a human hand, and then the protector 16 is removed from the cap body 13. When the central portion of the large-diameter cap body 13 is pressed, the notches 12 formed on the outer peripheral hanging wall 11 of the cap body 13 expand a large number of claws between the two, so that the cap body 13 has an annular shape. The fitting of the cap body 13 to the inner peripheral side wall 6 is released. So cap body 1
3 can be removed from the can by hand. [Modifications] In the present invention, the shape of the can is not limited to a round shape, but may be other shapes such as a square shape. In the above embodiment, the top plate 3 and the upper end of the can body 1 are joined by winding, but in the present invention, other joining methods such as welding or integral molding are used. Can also be taken. The annular inner peripheral side wall 6 forming the opening 3a of the top plate 3 into which the push-type cap 10 is fitted has a so-called single structure in the above-described embodiment, but has a known double structure or semi-double structure. The design may be changed as appropriate. According to the above-described embodiment, since the push-type cap 10 including the cap body 13 and the protector 16 is used as the cap, the sealing performance is excellent, and the leakage of the contents stored in the can is remarkable. Can be prevented. According to the present invention, the opening edge forming the inner peripheral edge of the top plate is an upwardly-facing annular inner peripheral wall lower than the annular outer peripheral side wall of the top plate. When the push-type cap is provided on the side wall, the upper surface of the push-type cap is the same as or lower than the top of the annular outer peripheral side wall of the connecting portion between the outer peripheral edge of the top plate and the upper end of the can body. A plurality of cans can be stacked in the vertical direction (up and down direction), which is convenient for transportation and storage. In addition, even if the can is accidentally dropped, the push-type cap is the same or lower than the annular outer peripheral side wall of the can, so that the push-type cap is prevented from being deformed or damaged and the contents are prevented from leaking. it can. According to the present invention, it is possible to provide a can with excellent hermeticity, in which the canopy of the conventional example is omitted, and leakage of contents from the gap of the fitting portion between the canopy and the top plate of the can is prevented. . Further, according to the present invention, since the opening formed in the top plate of the can to which the push-type cap is attached is made wide, it is easy and convenient to put the contents into and out of the can. Alternatively, it is possible to provide a can which can shorten the discharge time of the stored material and can easily discharge the remaining amount of the stored material.

BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is a perspective view of an entire can showing an embodiment of the present invention. FIG. 2 is a front view of FIG. FIG. 3 is a partial longitudinal sectional view of the entire can. FIG. 4 is an exploded perspective view of the push-type cap. FIG. 5 is a longitudinal sectional view of a push-type cap. FIG. 6 is a schematic perspective view of a conventional can. FIG. 7 is a partial longitudinal sectional view of a conventional can. [Description of Signs] 1 Can body 2 Bottom plate 3 Top plate 3a Opening 4 Annular outer peripheral side wall 4a Top 6 Annular inner peripheral side wall 10 Pushable cap 10a Top surface 12 Notch 13 Cap body 16 Protector

   ────────────────────────────────────────────────── ─── Continuation of front page    F term (reference) 3E006 AA02 BA05 CA05 DA01 DB10                 3E061 AA16 AA21 AB04 BB07 DA12                       DB04 DB09                 3E084 AA12 AA22 AB06 BA02 CA01                       CC01 DA01 DB13 DC01 FA09                       FC02 GA08 GB11 HA01 HB04                       HC03 HD01 LB02 LD01

Claims (1)

Claims: 1. An opening formed in a top plate of a can has a wide mouth,
The connecting portion between the outer peripheral edge of the top plate and the upper end of the can body is an annular outer peripheral side wall, and the opening edge forming the inner peripheral edge of the top plate has an upwardly-facing annular lower side than the annular outer peripheral side wall of the top plate. As an inner peripheral side wall, the annular inner peripheral side wall of the top plate has a large diameter that presses the vicinity of the outer periphery when the lid is closed to close the opening of the top plate, and presses the central portion to open the top plate opening when the lid is opened. A cap which is mounted to cover the outer peripheral edge of the cap body when the cap is closed and is provided with a protector which is detached when the lid is opened is provided. When the push-type cap is provided, the upper surface of the push-type cap is the same as or lower than the top of the annular outer peripheral side wall of the joint between the outer peripheral edge of the top plate and the upper end of the can body. .