JP2546886Y2 - Sealable cap made of synthetic resin - Google Patents

Description

[Detailed description of the invention]

[0001]

BACKGROUND OF THE INVENTION The present invention relates to a sealing cap made of synthetic resin.

[0002]

2. Description of the Related Art As a sealable cap made of synthetic resin, for example, a first serrated portion is attached to an inner peripheral portion of a shoulder portion of a container body which stands up from the upper end of a body portion via a shoulder portion. A second serrated portion is provided on the lower end surface of the cap peripheral wall screwed to the neck, and the cap is screwed in the tightening direction so that the cap is slid and mutually engaged to greatly engage the first and second serrated teeth. In addition, in the loosening direction, screwing becomes impossible due to the engagement of the two serrated teeth, and a break line is provided around the lower part of the cap peripheral wall to loosen the cap strongly. There has been known a device in which when turned in the direction, the breaking line is cut so that only the cap portion above the breaking line can be removed.

[0003]

In the above-mentioned conventional sealing cap, serrated teeth are provided on the inner peripheral portion of the container shoulder and the lower end surface of the cap peripheral wall, respectively, so that the container and the cap forming metal are provided. There was a drawback that the mold structure became complicated and tended to be expensive.

According to the present invention, a cap body and an auxiliary lid for opening and closing the upper surface of the cap body are integrally connected by a thin hinge on a rear surface of each peripheral wall, and a finger-holding plate for opening the auxiliary lid from a front lower end portion of the peripheral wall of the auxiliary lid. In a synthetic resin cap that projects forward, a breakable removal plate protrudes from the front of the cap body peripheral wall in contact with the lower surface of the finger hanging plate, and these are integrally formed by a sealing member provided separately with the removing plate and the finger hanging plate. In connection with, the auxiliary cover can be opened by pulling the finger-holding plate upward by the removal plate rupture through the sealing member,
The present invention proposes a sealable cap that is easy to mold.

[0005]

A cap body 7, which is fitted to the outer surface of the mouth and neck of the container body so that it cannot be pulled out, and an auxiliary lid 8, which opens and closes the upper surface of the cap body, are connected via thin hinges 11 at the rear surface of each peripheral wall. In the synthetic resin cap, which protrudes forward from the lower end of the front surface of the peripheral wall of the auxiliary lid and forwardly protrudes the finger cover plate 17 for opening the auxiliary lid, a first engaging ridge 18 is provided on the upper surface of the front end of the finger support plate 17. A plurality of connecting pieces that are attached and protrude from the upper end edge of the cap main body peripheral wall 9 via the small-diameter break portion 22 at the upper end edge of the front surface of the cap body peripheral wall 9 in contact with the lower surface of the finger hook plate.
Each front end of 23 is connected by a horizontal plate 24, and a removing plate 19 provided with a second engaging ridge 25 is provided on the lower surface of the front end of the horizontal plate, and the finger hanging plate 17 and the removing plate 19 are connected to each other. The first engaging projection 21 on the lower surface of the rear end of the upper plate 27 projecting rearward from the upper end of the front plate 26 of the fitting is attached to the first engaging portion 21 of the separately provided fitting portion 21 of the sealing member 20 made of synthetic resin. The fourth engagement ridge 30 on the rear surface of the lower end of the lower plate portion projecting rearward from the lower end of the front plate portion 24 and the rear surface of the second engagement ridge 25,
Engagers that engage with each other and rise from the lower plate portion 28
31 is fitted between the connecting pieces 23 and gripped undetachably,
An elastic knob 32 was hung from the lower end of the front plate 26.

[0006]

When the elastic knob piece 32 is pulled upward and forward from the state shown in FIG. 1, the fitting portion 21 of the sealing member 20 grips the finger hook plate 17 and the removal plate 19 projecting from the front wall of the cap body 7. Therefore, the removal plate 19 is broken and pulled up together with the finger hanging plate 17, and the auxiliary lid 8 is opened centering on the thin hinge 11. After the lid is opened, the sealing member 20 is removed from the finger hanging plate 17 as shown in FIG.

[0007]

DESCRIPTION OF THE PREFERRED EMBODIMENTS Reference numeral 1 denotes a container body, and a mouth and neck 4 is erected from the upper end of a body 2 via a shoulder 3. A first engaging ridge 5 is provided around the outer surface of the mouth and neck.

The cap 6 includes a cap body 7 and an auxiliary lid 8.
Are integrally connected via thin hinges 11 on each rear surface of each of the peripheral walls 9 and 10.

The cap body 7 has a peripheral wall 9 suspended from an outer periphery of a first top wall 12 for closing an upper end opening surface of the container body neck portion 4. The peripheral wall may be formed as an inner and outer double as shown. A second engaging ridge 13 is provided around the inner surface of the peripheral wall, and is engaged with the lower surface of the first engaging ridge 5 so as not to be pulled out. Above top wall
The nozzle 14 stands from the center of the nozzle 12.

The auxiliary lid 8 opens and closes the upper surface of the cap main body, and hangs a peripheral wall 10 having the same outer diameter as the peripheral wall of the cap main body from the outer periphery of the second top wall 15. From the center of the second top wall, a plug 16 to be fitted into the nozzle 14 described above is hung down. In addition, a finger hanging plate 17 for opening the auxiliary lid projects forward from the lower end of the front surface of the auxiliary lid peripheral wall.

The cap made of a synthetic resin having the above-mentioned structure is conventionally known, but in the present invention, a first engaging ridge 18 is provided on the upper surface of the front end of the finger hanging plate 17, and the cap body peripheral wall is in contact with the lower surface of the finger hanging plate. The removing plate 19 protrudes from the upper edge of the front surface of the front panel 9 and the finger hooking plate 17 and the removing plate 19 are gripped irremovably by the fitting portion 21 of the sealing member 20 made of synthetic resin provided separately.

As shown in FIG. 3, the removing plate 19 projects a plurality of connecting pieces 23 from the upper end edge of the front surface of the peripheral wall 9 of the cap via a small-diameter break portion 22, and extends the front end of these connecting pieces horizontally. The second connecting projections 25 are attached to the lower surface of the front end portion of the horizontal plate and connected by the mounting plate 24. As shown in FIG. 3, a gap is provided between the connecting pieces.

The sealing member 20 protrudes rearwardly from above and below the front plate portion 26 with the upper plate portion 27 and the lower plate portion 28 sandwiching the finger hooking plate 17 and the removing plate 19 therebetween. The third engagement ridge 29 is engaged with the rear surface of the first engagement ridge 18, and the fourth engagement ridge 30 on the rear end upper surface of the lower plate portion is engaged with the rear surface of the second engagement ridge 25, respectively. It has a fitting portion 21 in which an engaging element 31 rising from the lower plate portion 28 is fitted into the gap between the connecting pieces 23, and the elastic knob piece 32 hangs down from the lower end of the front plate portion 26. The knob piece is set to a length that allows it to be picked up strongly and pulled up.

[0014]

[Effects of the Invention] The present invention has the above-described configuration, and a thin hinge 11 is provided at the rear of each peripheral wall at the rear of each peripheral wall, with a cap body which is fitted to the outer surface of the mouth and neck of the container body so as not to be able to be pulled out, and an auxiliary lid which opens and closes the top of the cap body. In the synthetic resin cap, which is integrally connected via the front side of the auxiliary lid and projects the finger hook plate forward from the front face of the auxiliary lid, a breakable removal plate 19 is attached to the upper edge of the front surface of the cap body peripheral wall 9 in contact with the lower surface of the finger hook plate. , The removal plate and the finger hanging plate 17, the fitting portion 21 of the sealing member 20 provided separately.
, So that the entire sealing mechanism can be simplified as compared with the conventional example described above, and the fitting portion 21 of the sealing member can be used.
The third engaging ridge 29 on the lower surface of the rear end of the upper plate projecting rearward from the upper end of the front plate 26 is engaged with the first engaging ridge 18
The fourth engaging ridges 30 on the upper surface of the rear end of the lower plate portion projecting rearward from the lower end of the front plate portion 26 are engaged with the rear surfaces of the second engaging ridges 25, respectively, and are erected from the lower plate portion 28. The engaging element 31 is fitted between the plurality of connecting pieces 23 of the removing plate protruding from the upper end edge of the front surface of the cap main body peripheral wall 9 through the small-diameter breaking part 22, so that the broken part of the removing plate 19 is not cut. Therefore, it is extremely difficult to remove the fitting portion 21, so that the sealing function can be ensured.

[Brief description of the drawings]

FIG. 1 is a side view of a container with a cap according to the present invention, with a portion cut away.

FIG. 2 is an exploded perspective view of the cap of the present invention, with a part cut away.

FIG. 3 is an enlarged perspective view of a main part of the cap of the present invention.

FIG. 4 is a perspective view showing the unsealed state of the cap of the present invention.

[Explanation of symbols]

 7 Cap body 8 Auxiliary lid 17 Finger hanging plate 19 Removal plate 20 Sealing member

Claims (1)

(57) [Scope of request for utility model registration] 1. A cap body 7 which is fitted to the outer surface of the mouth and neck of a container body so that it cannot be pulled out, and an auxiliary lid 8 which opens and closes the upper surface of the cap body, are integrally connected via a thin hinge 11 on the rear surface of each peripheral wall. In addition, in the synthetic resin cap which protrudes the finger cover plate 17 for opening the auxiliary cover forward from the lower front end portion of the peripheral wall of the auxiliary cover, the first engagement ridge is provided on the upper surface of the front end of the finger support plate 17.
At the same time, each front end of a plurality of connecting pieces 23 projecting from the upper end edge through a small-diameter cut portion 22 to the upper end edge of the front surface of the cap body peripheral wall 9 in contact with the lower surface of the finger hook plate. A removing plate 19 provided with a second engaging ridge 25 on the lower surface of the front end portion of the horizontal plate, and the finger hooking plate 17 and the removing plate 19 are separately provided. Fitting part of sealing member 20
At 21, the upper plate portion projecting rearward from the upper end of the front plate portion 26 of the fitting portion
27 The third engaging ridge 29 on the lower surface of the rear end is
A fourth engagement ridge 30 on the upper surface of the rear end of the lower plate portion projecting rearward from the lower end of the front plate portion 24 is engaged with the rear surface of the second engagement ridge 25, and an engaging element 31 standing up from the lower plate portion 28. The above connecting piece
A synthetic resin sealing cap characterized in that it is fitted between 23 and gripped irremovably, and an elastic knob piece 32 is hung down from the lower end of the front plate 26.