JPH0716646B2 - Powder feeder - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION (Industrial field of application) The present invention relates to a nib attached to the front end of a barrel for powdering powder for cosmetics, writing, etc., having an appropriate particle size, housed in the barrel. The present invention relates to a powder supply tool capable of supplying an appropriate amount.

(Prior art and its problems) Liquids can be roughly classified into liquid applicators that store liquids of various viscosities in a barrel and supply the liquids to a pen tip attached to the front end of the barrel. The pressurizing type that pressurizes directly with a piston or air and forcibly supplies it to the pen tip,
It can be divided into a natural derivation method in which a liquid is led out to a pen tip by utilizing a capillary action through a so-called bellows or a relay core.
It can be said that the former pressurizing formula is effective when the viscosity of the liquid is high, and the latter natural derivation formula is effective when the viscosity of the liquid is low. ， It is difficult to supply an appropriate amount of powder of any particle size to the pen tip, and even if it could be supplied, it was only limited to the case where the powder used had physical properties similar to a liquid. .

Therefore, in view of the above-mentioned circumstances, the applicant of the present application has previously filed a patent application
As No. 256379, the present invention provides a powder supply tool having a new structure capable of sequentially feeding the powder stored in the storage tube forward by the spiral inclined surface of the spiral body and supplying the powder to the pen tip. According to the powder supply tool, it is possible to supply various powders to the pen tip. However, since it is necessary to use forward movement by the own weight in addition to the powder supply action, the supply tool itself is set slightly upward. In this case, there was a concern that the powder could not be supplied satisfactorily.

(Object of the Invention) The present invention has been made in view of the above concerns, and provides a powder supply tool capable of supplying a desired amount of powder to a pen tip regardless of the direction of use of the supply tool. To do.

(Structure of the Invention) The present invention provides a barrel having a pen tip attached to its front end, a barrel having a front small-diameter portion arranged in the barrel, and the pen tip formed at the front end of the front small-diameter portion. And a spiral body having a spiral inclined surface disposed in the storage tube, wherein a front end portion of the spiral body has a front end portion of a front small diameter portion of the storage tube. Rotatably inserted into
By relatively rotating the storage tube and the spiral body,
In a powder supply tool capable of sequentially feeding forward the powder contained in the storage tube by the spiral inclined surface of the spiral body to supply the powder to the pen tip, the spiral body has an outer shape suitable for the inner diameter of the storage tube. A powder supply tool having a spiral inclined surface meets the above-mentioned object as its gist.

BEST MODE FOR CARRYING OUT THE INVENTION Hereinafter, the present invention will be described in detail based on the embodiments shown in the accompanying drawings.

In FIG. 1, a pen tip 2 capable of containing and applying powder, which will be described later, is attached to the front end of a barrel 1. In the illustrated example, the pen tip 2 is a brush-like one in which natural and synthetic fibers are bundled, but a porous elastic body such as a sponge or a synthetic rubber provided with appropriate cuts may be used. Reference numeral 3 denotes a tapered cylindrical storage tube in which a front small-diameter portion 5 is fitted and fixed in a front hole 4 of the shaft cylinder 1, and a tip opening thereof faces the nib 2, and the diameter gradually increases toward the rear. Powder for cosmetics, writing, etc. having an appropriate particle size is stored in the storage tube 3 which becomes Reference numeral 6 is a spiral body having a spiral inclined surface 7 having an outer shape adapted to the inner shape of the storage tube 3, and the spiral body 6 has a rear end portion thereof in the barrel 1.
The operation knob 8 rotatably fitted to the rear end portion is fixed by press-fitting or the like, and the front side of the rear end portion is rotatably held in the storage tube 3 with a slight gap. That is, the spiral 7
Can be rotated in the storage tube 3 by rotating the operation knob 8 with respect to the barrel 1. The spiral body 6 as shown in the drawing can be easily formed by twisting a thin plate of metal or the like, which is gradually narrowed toward one end, a plurality of times. Reference numeral 9 denotes a restraint member interposed between the rear end portion of the storage tube 3 and the operation knob 8, and the restraint member 9 restrains the powder from scattering from the rear end opening of the storage tube 3. Therefore, an elastic body such as sponge or synthetic rubber that does not hinder the rotation of the operation knob 8 can be adopted. However, the restraining member 9 is not always necessary if the gap between the rear end portion of the storage tube 3 and the operation knob 8 is managed to a minute extent such that powder does not scatter.

The powder supply operation in the above-described embodiment will be described below. First, the operation knob 8 is rotated with the fingertip with respect to the barrel 1 (rotated counterclockwise in the figure). As the operation knob 8 rotates, the spiral body 6 fixed to the operation knob 8 also rotates integrally. At this time, the storage tube 3 also receives the rotational force of the operation knob 8 via the restraining member 9, but since the storage tube 3 has the front small diameter portion 5 fixed to the front hole 4 of the barrel 1, it is operated. It does not rotate integrally with the knob 8. In the rotation of the spiral body 6, the powder located in the rear is gradually moved forward by the spiral inclined surface 7 which is rotationally displaced in the storage tube 3, and the spiral inclined surface is similarly rotationally displaced in the front small diameter portion 5. The amount of feed is adjusted by the surface 7 and supplied to the pen tip 2 through the tip opening.
Here, the amount of powder supplied to the pen tip 2 depends on the pitch and diameter of the spiral inclined surface 7 located in the front small-diameter portion 5, but is substantially commensurate with the amount of rotation of the operation knob 8. A desired amount of powder can be supplied to the pen tip 2 by rotating the knob 8. As described above, when the spiral body 6 is rotated, the powder contained in the storage tube 3 is moved forward as a whole, so that the powder can be sufficiently supplied even when the supply tool itself is slightly upward. You will be able to do it.

The shape of the storage tube 3 and the shape of the spiral body 6 described above can be variously modified, and a specific example thereof will be described with reference to FIG. Detailed description of portions having the same configuration as the previous embodiment will be omitted.

In FIG. 2, the pen tip 22 is attached to the front end of the barrel 21, and the operation knob 28 is rotatably fitted to the rear end. The storage tube 23 in which the powder is stored has a two-stage cylindrical shape, and the front small-diameter portion 25 is fitted and fixed to the front hole 24 of the shaft cylinder 21, and its tip opening faces the pen tip 22, and the rear side. Large diameter part
The rear end portion of 30 is held by a restraining member 29 which is interposed between the rear end portion and the inner surface of the operation knob 28. 26 is a continuous spiral inclined surface
In the illustrated example, a spiral blade 32 is integrally or separately formed on the outer peripheral surface of the core rod 31, and is a spiral body that is rotatably disposed in the storage tube 23 with a slight gap. It is shown that 32 side surfaces constitute the spiral inclined surface 27. In addition, the spiral inclined surface 27 described above has a small outer shape at a portion corresponding to the front small diameter portion 25 of the storage pipe 23 and a large outer diameter at a portion corresponding to the rear large diameter portion 30. It has an outer shape that conforms to. Even in such an embodiment, by rotating the operation knob 28, it is possible to perform the same powder supply as that of the above-mentioned embodiment.

When the storage tubes 3 and 23 are fixedly arranged on the shaft tubes 1 and 21 as in the embodiment described above, the internal space of the shaft tube 1 can be used as a powder storage portion, so that the storage tubes 3 and 23 are not always required. 23 is not necessary. In addition, in each of the embodiments, the spiral pipes 6 and 26 are rotated with respect to the storage pipes 3 and 23 so that powder can be supplied. However, conversely, the storage pipes 3 and 26 can be supplied. The rear end of 23 is fixed to the operation knobs 8 and 28, the front end of the spirals 6 and 26 is fixed to the front hole 4, and the storage tubes 3 and 23 are rotated with respect to the spirals 6 and 26. However, the same powder supply as above can be expected.

(Effects of the Invention) As described above, according to the present invention, since the contained powder can be moved forward as a whole by relatively rotating the spiral body, when the supply tool itself is used slightly upward. Can supply a desired amount of powder to the nib.

[Brief description of drawings]

The drawings show an embodiment of the present invention, and FIGS. 1 and 2 are vertical sectional views thereof. 1.21… Shaft cylinder, 2.22… Nib, 3.23… Storage tube, 5.25… Small front part, 6.26… Spiral body, 7.27… Spiral inclined surface.

─────────────────────────────────────────────────── ─── Continuation of the front page (51) Int.Cl. ⁶ Identification code Internal reference number FI technical display location B65D 83/00

Claims (1)

[Claims] 1. A barrel (1, 21) having a pen tip (2, 22) attached to a front end thereof, and a front small-diameter portion (5, 25) arranged in the barrel (1, 21). And the nib (2, 22)
And a storage pipe (3, 23) facing the tip opening formed at the front end of the front small diameter portion (5, 25), and a spiral inclined surface (7, 27) arranged in the storage pipe (3, 23). ) With a spiral body (6, 26), wherein the front end of the spiral body (6, 26) has a front small diameter portion (5, 2) of the storage tube (3, 23).
The powder stored in the storage tube (3, 23) by being rotatably fitted into the tip opening of 5) and by relatively rotating the storage tube (3, 23) and the spiral body (6, 26). In the powder supply tool, the spiral inclined surface (7, 27) of the spiral body (6, 26) can sequentially send the powder forward to supply it to the pen tip (2, 22). ) Has a spiral inclined surface (7, 27) having an outer shape adapted to the inner diameter of the storage tube (3, 23).