JPH0375745U - - Google Patents

Description

【図面の簡単な説明】[Brief explanation of drawings]

第１図ａはこの考案の一実施例を示す斜視図、
同図ｂはその側面図、第２図は上記実施例の縦断
面図、第３図はその底面図、第４図はその平面図
、第５図は上記実施例品の使用態様を示す縦断面
図、第６図は上記実施例品の使用時に用いる芯体
の説明図、第７図ａは従来例を示す側面図、同図
ｂはその正面図、第８図は上記従来品の使用態様
を示す縦断面図である。 １……突部、１ａ……天井部、２……有天筒状
体、２ａ……天井部、３……リング体、４……筒
状部、７……突起、Ａ，Ｂ，Ｃ……薄肉部。 FIG. 1a is a perspective view showing an embodiment of this invention;
Figure b is a side view of the product, Figure 2 is a longitudinal cross-sectional view of the above embodiment, Figure 3 is a bottom view thereof, Figure 4 is a plan view thereof, and Figure 5 is a longitudinal cross-section showing how the product of the above embodiment is used. 6 is an explanatory diagram of the core body used when using the above example product, FIG. 7 a is a side view showing the conventional example, FIG. 7 b is a front view thereof, and FIG. 8 is an illustration of the use of the above conventional product. It is a longitudinal cross-sectional view showing an aspect. 1...Protrusion, 1a...Ceiling, 2...Central cylindrical body, 2a...Ceiling, 3...Ring body, 4...Cylindrical part, 7...Protrusion, A, B, C ...thin section.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] 全体が弾性体製で、有天筒状体２の天井部２ａ
の略中央に開口部が形成され、その開口部を囲う
ように天井部２ａの裏面に筒状部４が垂設され、
上記開口部の周縁を上方に延ばし蓋して有天筒状
の凸部１が形成され、その凸部１の天井部１ａ上
面の端部に突起７が形成され、その突起７の上端
にリング部３が連結され、上記凸部１の天井部１
ａに上記突起７の根元部Ｐから左右に延びる第１
の薄肉部Ａが形成され、上記両薄肉部の先端部か
らそれぞれ凸部１の周壁下端部にかけて延びる第
２の薄肉部Ｂが形成され、上記第２の薄肉部Ｂの
両方の下端部を上記突起７形成側と反対側を通つ
て結ぶように凸部１の周壁下端に沿つて第３の薄
肉部Ｃが形成されていることを特徴とする中栓。 The whole is made of elastic material, and the ceiling part 2a of the sky-bearing cylindrical body 2
An opening is formed approximately in the center of the ceiling 2a, and a cylindrical portion 4 is vertically disposed on the back surface of the ceiling 2a so as to surround the opening.
The periphery of the opening is extended upward and covered to form a convex portion 1 in the shape of a ceiling cylinder. A protrusion 7 is formed at the end of the upper surface of the ceiling portion 1a of the convex portion 1, and a ring is formed at the upper end of the protrusion 7. portion 3 is connected, and the ceiling portion 1 of the convex portion 1
a, a first one extending from the base P of the protrusion 7 to the left and right.
A thin wall portion A is formed, and a second thin wall portion B is formed extending from the tip of both the thin wall portions to the lower end of the peripheral wall of the convex portion 1, and the lower end portions of both the second thin wall portions B are connected to the An inner stopper characterized in that a third thin portion C is formed along the lower end of the peripheral wall of the convex portion 1 so as to connect through the side opposite to the side where the protrusion 7 is formed.