JPH0630171Y2 - Instrument for separating flask and gypsum - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION [Industrial application] The present invention relates to a separating instrument for separating gypsum from a dental flask, which is convenient for taking out a denture from a gypsum mold.

[Prior Art] As a method for taking out a manufactured denture from a dental flask, generally, while the flask is hit with a mallet, the gypsum is separated from the gypsum after the flask and the gypsum are separated. The method of digging is adopted.

[Problems to be solved by the invention] However, in the conventional method, when removing a plaster with a denture embedded from a flask, the flask is struck as loosely as possible to prevent cracking of the denture due to impact and falling of artificial teeth. The disadvantage is that it has to be taken out and therefore takes a long time to take out. In addition, a commonly used inexpensive dental flask has surface roughness due to casting, so the binding force between the flask and gypsum becomes strong, and it is necessary to apply a strong impact force to the removal of gypsum, as a result. ,
There is a high risk of problems such as cracking of the denture, falling out of artificial teeth, and deformation of the clasp.

[Means for Solving the Problems] Therefore, the present inventor has improved the above-mentioned conventional drawbacks and, in order to easily and without trouble, take out plaster with a denture embedded therein from the flask, as a result of various studies, The invention has been reached.

That is, according to the present invention, a dental flask is provided with a flask suspension mechanism including a base plate and a column that is erected on the base plate and is provided at the position of the tightening portion of the dental flask. Provided is a device for separating a flask and gypsum, which is characterized by being suspended and held at its tightening portion.

[Operation] The operation of the present invention will be described based on an example of the apparatus for separating a flask and gypsum shown in FIG.

After releasing the tightened portion of the dental flask holding the plaster with the denture embedded therein, the flask is turned upside down and inserted into the column, which is the flask suspension mechanism of the separating instrument, and suspended. Then, the bottom flask of the lower flask is pressed by a normal pressure operation to separate the lower flask and gypsum. Next, upside down the medium flask having the plaster in which the denture is embedded, insert the column of the separation instrument again into the tightened part, suspend it, and press the plaster of the medium flask in the same manner as above to make it easy. Separate the plaster with the medium flask and the denture embedded in it. as a result,
The plaster with the denture embedded therein can be easily and safely taken out of the flask without causing any trouble.

[Examples] Hereinafter, the present invention will be described in detail with reference to the illustrated embodiments, but it will be apparent that the present invention is not limited to these embodiments.

FIG. 1 is a schematic perspective view showing an embodiment of a device for separating a flask and gypsum according to the present invention. As a flask suspension mechanism, it is provided on the base plate 10 at the position of the fastening portion of the dental flask. The three columns 11 corresponding to the number are erected. Then, the tip portion 12 of the column 11 is cut to have a convex shape. FIG. 2 is a perspective view showing an example of a general-purpose dental flask, and includes an upper lid 13, a middle flask 14, a lower flask 15, and a bottom punched plate (shown in FIG. 4 described later) 17 which are formed separately from each other. And the flask is tightened and held by the flask tightening mechanism 16 including a bolt and a nut. FIG. 3 is an enlarged view of the flask fastening portion in the dental flask of FIG.

Next, the gypsum separating operation using the flask and the gypsum separating device of the present invention will be described with reference to FIGS. 4 and 5.

As shown in FIG. 4, after releasing the fastening mechanism 16 of the dental flask holding the plaster in which the denture is embedded and removing the upper lid 13 of the flask, the flask is turned upside down and the tip of the column 11 of the separating instrument is removed. The clamping portion 18 of the dental flask holding the gypsum X is inserted into the portion and suspended. Next, the bottom flask 15 of the lower flask 15 is pushed by a normal pressure mechanism to easily separate the lower flask 15 and the gypsum X. Then, as shown in FIG. 5, the middle flask 14 having the plaster X in which the denture is buried is turned upside down from that of FIG. 4 and the tip of the column 11 of the separating instrument is reinserted into the tightening portion 18 '. By suspending and pressing the plaster X of the medium flask 14, the medium flask 14 and the plaster X having the denture embedded therein can be easily separated.

By separating the plaster as described above, the plaster with the denture embedded therein can be easily and safely separated from the dental flask.

[Effect of the Invention] As described above, the following effects can be obtained by the apparatus for separating a flask and gypsum according to the present invention.

The dental flask and gypsum can be separated very easily.

Since no impact is applied to the plaster, troubles such as cracking of the buried denture and falling of artificial teeth do not occur.

Since there is no tapping operation, there is no deformation of the flask.

[Brief description of drawings]

FIG. 1 is a schematic perspective view showing an embodiment of a device for separating a flask and gypsum according to the present invention, FIG. 2 is a perspective view showing an example of a general-purpose dental flask, and FIG. 3 is a dentistry of FIG. 4 and 5 are enlarged views of the flask fastening portion of the flask
Each of the figures is a partial cross-sectional view for showing a separating operation of gypsum. 10 ... Base plate, 11 ... Strut, 12 ... Strut tip, 13
… Top lid, 14… Medium flask, 15… Bottom flask, 16…
Tightening part, 17 ... Bottom punching plate, 18 ... Tightening part, X ... Gypsum.

 ─────────────────────────────────────────────────── ─── Continuation of the front page (72) Inventor Mitsuya Sakamoto 3-10 Nakamiya-Kitamachi, Hirakata-shi, Osaka Ube Industries, Ltd. Hirakata Research Institute (56) Bibliography Sho 51-30396 (JP, U)

Claims (1)

[Scope of utility model registration request] 1. A flask suspending mechanism comprising a base plate and a column which is erected on the base plate and is provided at the position of a tightening portion of the dental flask, and the dental flask is tightened by the mechanism. An apparatus for separating a flask and gypsum characterized by being suspended and held in a section.