JP4581247B2 - Applicator cap - Google Patents

Description

[0001]
BACKGROUND OF THE INVENTION
TECHNICAL FIELD The present invention relates to an applicator cap for use with a valve-equipped applicator with a built-in coating liquid, an automatic air exchange type applicator with a built-in ink, and the like, which can be replaced with a pen tip if necessary.
[0002]
[Prior art]
The conventional applicator consists of a container body that can contain the coating liquid, a pen tip that coats the tip of the container body with a built-in coating liquid, and a cap that is easy to prevent and remove the pen tip from being dried and protected. Constructed applicators are known.
As a cap used in this applicator, a cap made of a transparent molding material in which the internal pen tip state is easily indicated, a cap with a clip for portability, etc., a display for displaying the color of the application liquid in the applicator internal organs A cap with a member, a cap with a debris removal function when the coating liquid debris adheres to and accumulates on the pen tip, a cap with a sealing member to prevent the pen tip from drying, or a child accidentally swallows However, there are known devices having functions other than the prevention of the nib drying and the protection of the nib, such as a cap for breathable safety that does not block the airway.
[0003]
[Problems to be solved by the invention]
It is to add a function capable of exchanging the pen tip to the cap used for the applicator to which the pen tip can be attached and detached as necessary.
Until now, there has been known an applicator capable of changing the pen tip. In order to exchange the pen tip with this applicator, the pen tip is removed by sandwiching the pen tip to which the coating solution is attached with a tissue or the like, or the pen tip is removed using a tool such as a radio pliers.
That is, in order to replace the pen tip, a tool other than any applicator is required.
SUMMARY OF THE INVENTION An object of the present invention is to provide an applicator having a pen tip replacement function in order to enable the replacement of a pen tip without using a tool other than the applicator.
[0004]
[Means for Solving the Problems]
The present invention relates to a bottomed cylindrical applicator cap used for an applicator in which a pen tip is detachably attached to the front, and the applicator cap is a plate-like clip connected to the outer periphery via a connecting portion. And is formed integrally with a thin piece part that extends continuously forward from the connecting part to the clip part and can be deformed outward, and the inner face of the thin piece part (on the side of the cap axis side). An applicator cap having a contact wall portion with the pen nib side face integrally with the pen tip side surface at a position where the pen nib fits from the surface) to the front of the applicator cap . In addition, in the bottomed cylindrical applicator cap used for the applicator with a pen tip detachably attached to the front, the applicator cap is integrally formed with a thin piece portion that can bend and deform outward. And providing the inner surface of the thin piece (on the cap axis side) The contact wall portion with the side surface of the pen tip is provided integrally with the applicator cap at a position where the pen tip fits from the surface), and the thin piece portion is continuously provided in front of the applicator cap. It is composed of a portion between notches in a cylindrical portion having at least two notches, and a contact wall portion with the pen tip side surface is provided on a protrusion outer wall that partially protrudes forward from the upper surface of the applicator cap. The applicator cap is defined as the second gist.
[0005]
【Example】
Hereinafter, the present invention will be described in more detail with reference to the accompanying drawings.
1 and 2 show a first embodiment. FIG. 1 shows a front sectional view of main parts, and FIG. 2 shows a top view of FIG.
Reference numeral 1 is a substantially cylindrical container body having a slightly open end and a slightly flexible structure. The inside of the container main body 1 is a coating liquid storage chamber, and the tip of the container main body 1 is a substantially cylindrical opening having a male screw portion on the outer periphery.
An entirely cylindrical front shaft 2 having a through hole is disposed in front of the container body 1. The front shaft 2 has a cylindrical front tube portion, a reduced diameter portion that is reduced in a flat plate shape in the axial direction in the middle of the front and rear, and a cylindrical shape extending rearward in the opening of the container body 1. It is comprised from the cylinder part and the rear cylinder part which provided the internal thread part which screw-couples with the external thread part of the said container main body 1 in the inner surface.
A generally cylindrical tip 3 having a through hole is disposed in front of the front shaft 2 so as to partially protrude forward from the front shaft 2. In front of the chip 3, a number of resin fibers are aligned in the front-rear direction so as to partially protrude forward from the inside of the chip 3, and the numerous fibers are partially bonded with a thermosetting resin or the like. A pen tip 4 having a continuous cylindrical shape and a cylindrical shape at the tip is disposed.
A spring valve 5 in which a base portion, a spring portion, and a valve portion are integrated is disposed on the rear side of the front shaft 2 from the inner rear side toward the front side. The base portion of the spring valve 5 is connected to the ride-over rib by an uneven rib behind the rear tube portion of the front shaft 2. Further, the valve portion of the spring valve 5 is fixed at the rear base portion, urged forward by the spring portion, and press-contacts with the rear side of the reduced diameter portion of the front shaft 2 to constitute a valve mechanism. .
[0006]
In front of the front shaft 2, a substantially bottomed cylindrical applicator cap 6 is provided so as to cover the front tube portion of the front shaft 2, the tip 3, and the pen tip 4. The applicator cap 6 includes a bottomed cylindrical tube portion 6a, a plate-like clip portion 6b provided continuously from the outer periphery of the tube portion 6a, a connecting portion 6c that connects the tube portion 6a and the clip portion 6b, A thin piece portion 6d that extends forward from the connecting portion 6c to the clip portion 6b and can be deformed is formed. The thin piece portion 6d is provided in a curved plate shape, and a pen tip outer receiving portion 6e formed in a concave surface is provided on the inner surface of the thin piece portion 6d. A pen tip inner receiving portion 6f in which the outer wall of the cap is cut out in an arc shape is provided at a position separated from the outer periphery size of the pen tip 4 from the pen tip outer receiving portion 6e toward the axial center, and further at the center thereof. A protruding rib 6g having a triangular cross section as viewed from above is provided, and the pen inner receiving portion 6f and the protruding rib 6g are provided as a contact wall portion 6h.
In FIG. 1, a broken line shown at the rear end position of the connecting portion 6 c on the outer periphery of the cylindrical portion 6 a indicates a mold division mark 6 i in a mold structure for molding the cap 6. A mold cavity having a negative shape on the outside of the cap 6 for forming the outside of the cap 6 includes a gate bush and two cavity blocks. The gate bush is arranged in front of the boundary with the mold division mark 6i as a boundary, and a molding resin injection port is also provided in front of the gate bush. The two cavity blocks are arranged behind the mold division trace 6i, and are provided so as to have a mold operating structure in which the cap 6 is divided into two from the axial center and opened outward.
The gate bush is engraved with the negative shape of the front portion of the cylindrical portion 6a, the connecting portion 6c, and the thin piece portion 6d. Here, if only the front part of the cylindrical part 6a is engraved, and another gate bush not engraved with the connecting part 6c and the thin piece part 6d is incorporated in the mold for forming the cap 6 for the applicator, the molding resin is connected. Since there is no portion 6c, the molding resin does not flow into the clip portion 6b, so that an applicator cap without the clip portion 6b is formed. That is, in this embodiment, if another gate bush is prepared, an applicator cap without a clip can be provided.
[0007]
The pen tip replacement method using the applicator cap of the present invention will be described with reference to the use state indicated by the two-dot chain line in FIG. The pen tip 4 'is inserted between the thin piece portion and the wall portion of the applicator cap until the front end of the tip 3' contacts the front end of the applicator cap. Next, when the thin piece portion is pressed, the thin piece portion is bent and deformed, and the pen tip 4 ′ is sandwiched. When the container body is separated from the applicator cap with the pen tip 4 ′ sandwiched, the pen tip can be removed.
[0008]
FIGS. 3 and 4 show examples in the case where a thick pen tip is used in the first embodiment.
FIG. 3 shows a front sectional view of the main part, and FIG. 4 shows a top view of FIG.
Since the container body 1, the front shaft 2, the spring valve 5, and the applicator cap 6 are the same as those in the first embodiment, the description thereof is omitted.
In front of the front shaft 2, a tip 13 having a through hole as a whole and having a substantially cylindrical shape and a thicker front than the first embodiment is disposed so as to partially protrude forward from the front shaft 2.
In front of the tip 13, a pen tip 14 that is thicker than the first embodiment is disposed so as to partially protrude forward from the inside of the tip 13.
[0009]
The nib replacement method using the applicator cap is substantially the same as in the first embodiment, but from the first embodiment, a thick nib is used, and this nib is used as a member of the applicator cap. Since it is soft compared to the above, when the pen tip is inserted between the thin piece of the cap and the wall, it is inserted so that the cross section of the abutment wall of the applicator cap is a triangular ridge and the pen tip is recessed Is different.
That is, the applicator cap according to the present invention allows the nib to be exchanged with the same cap shape even if the thickness of the nib has some size.
In addition, the cross-sectional shape of the pen tip is not limited to a circular shape, and a pen tip having various cross-sectional shapes such as a so-called square pen tip can be replaced with a pen tip.
Furthermore, the cap for the applicator of this example is a so-called fiber in which the orientation of each resin fiber is aligned in the front-rear direction, and the fibers are partially bonded with a thermosetting resin or the like to form continuous pores. Other than the nib made from a nib, it is made of a fiber assembly in a random direction, so-called felt nib, or an extruding nib formed by resin extrusion in which capillary gaps are continuously formed, or integrally formed by injection molding. The pen tip can be replaced even with a pen tip formed by various molding methods such as an injection molding pen tip.
[0010]
5 to 6 show a second embodiment. FIG. 5 shows a front sectional view of the cap, and FIG. 6 shows a top view of FIG. (The cross-sectional position in FIG. 5 is the position AB in FIG. 6.)
The substantially bottomed tubular applicator cap 26 includes a bottomed tubular tubular portion 26a and a continuous tubular portion 26d in front of the tubular portion 26a, and the tubular portion 26d is provided with three notches. The notch is provided so as to be a thin piece portion 26e that can be bent and deformed. Further, a protrusion that partially protrudes forward from a position shifted from the center of the upper surface of the cap 26 is formed at a position where the pen tip fits from the inner surface of the thin piece portion 26e (surface on the cap axis side). In addition, a contact wall portion 26f having a shape in which a circle is recessed at three locations when viewed from above is provided.
The contact wall portion 26f is provided at a position shifted from the center of the upper surface of the cap 26, as indicated by a two-dot chain line in FIG. A pen tip replacement place is provided by the thin piece portion and the contact wall portion.
[0011]
The method of using the cap when replacing the nib is the same as in the first embodiment.
In this embodiment, the same application is possible even in various applicators having a pen tip that is harder and harder to bite than the pen tip shown in the first embodiment and has three types of pen tip thicknesses of large, medium and small. The pen tip can be exchanged using the tool cap.
[0012]
【The invention's effect】
By using the cap for the applicator of the present invention, the pen tip of the applicator to which the pen tip can be attached and detached can be easily replaced. Furthermore, the pen tip can be exchanged using the same cap in common with various applicators equipped with pen tip thicknesses and various pen tip shapes. is there.
[Brief description of the drawings]
FIG. 1 is a front sectional view of an essential part of a first embodiment.
FIG. 2 is a top view of FIG.
FIG. 3 is a front sectional view of an essential part when a thick pen tip is used in the first embodiment.
FIG. 4 is a top view of FIG. 3;
FIG. 5 is a front sectional view of a second embodiment cap.
FIG. 6 is a top view of FIG.
[Explanation of symbols]
DESCRIPTION OF SYMBOLS 1 Container body 2 Front shaft 3 Tip 13 Tip 4 Pen tip 14 Pen tip 24 'Pen tip 5 Spring valve 6 Cap 26 Cap 6d Thin piece part 26e Thin piece part 6h Contact wall part 26f Contact wall part

Claims (2)

A bottomed cylindrical applicator cap used for an applicator with a pen tip detachably attached to the front, the applicator cap having a plate-like clip portion connected to the outer periphery via a connecting portion. And is formed integrally with a thin piece portion that continuously extends from the connecting portion to the clip portion and can be deformed outward, and from the inner surface of the thin piece portion (the surface on the cap axis side). An applicator cap, wherein a contact wall portion with the pen tip side surface is integrally provided at a position where the pen tip is accommodated toward the front of the applicator cap. A cap for a bottomed cylindrical applicator used in an applicator having a pen tip detachably attached to the front, wherein the applicator cap is integrally provided with a thin piece portion that can bend and deform outward, and the thin piece An abutting wall portion with the pen tip side surface is provided integrally with the applicator cap at a position where the pen tip fits from the inner surface (surface on the cap axis side), and the thin piece portion is connected to the applicator tool. Consists of a portion between the cutouts of the cylindrical portion having two or more cutout portions provided continuously in front of the cap, and the abutting wall portion with the pen tip side surface partially protrudes forward from the upper surface of the applicator cap. An applicator cap provided on the outer wall of the protrusion .

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