JPS61190849U - - Google Patents
Info
- Publication number
- JPS61190849U JPS61190849U JP7509385U JP7509385U JPS61190849U JP S61190849 U JPS61190849 U JP S61190849U JP 7509385 U JP7509385 U JP 7509385U JP 7509385 U JP7509385 U JP 7509385U JP S61190849 U JPS61190849 U JP S61190849U
- Authority
- JP
- Japan
- Prior art keywords
- bolt
- truncated conical
- members
- expansion members
- nut
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 239000000463 material Substances 0.000 claims description 2
- 238000012856 packing Methods 0.000 claims description 2
- 230000003247 decreasing effect Effects 0.000 claims 1
- 239000013013 elastic material Substances 0.000 claims 1
- 239000004615 ingredient Substances 0.000 claims 1
Landscapes
- Sampling And Sample Adjustment (AREA)
- Investigation Of Foundation Soil And Reinforcement Of Foundation Soil By Compacting Or Drainage (AREA)
Description
第１図は本考案の好ましい一実施例の一部切断
斜視図、第２図は同実施例の縦断面図、第３図は
同実施例をライナーに適用した状態を示した断面
図である。
１０……本考案の閉塞具、１２，１４……円錐
台部材、１６……ボルト、１６ａ……皿状の頭部
、１６ｂ……大径のねじ部、１６ｃ……小径のね
じ部、１８……ナツト、２０，２０，……拡張部
材、２２……パツキング材、２４……ボツクスス
パナ、２６……保持具、２８……ライナー。
Fig. 1 is a partially cutaway perspective view of a preferred embodiment of the present invention, Fig. 2 is a longitudinal sectional view of the embodiment, and Fig. 3 is a sectional view showing the embodiment applied to a liner. . 10... Obturator of the present invention, 12, 14... truncated conical member, 16... Bolt, 16a... dish-shaped head, 16b... large diameter threaded part, 16c... small diameter threaded part, 18 ... Nut, 20, 20, ... Expansion member, 22 ... Packing material, 24 ... Box spanner, 26 ... Holder, 28 ... Liner.
Claims (1)
合せて配置した円錐台部材１２，１４と、 該円錐台部材１２，１４のボルト貫通孔に挿通
したボルト１６と、 該ボルト１６のねじ部１６ｂに螺入し、ボルト
１６の頭部１６ａとで上記両円錐台部材１２，１
４を挾圧するナツト１８と、 環状部材を放射状に複数に分割し、且つ内周部
を前記円錐台部材１２，１４間の谷部に嵌入する
ように先細に形成して前記円錐台部材１２，１４
間に嵌合させた拡張部材２０，２０，…と、 該拡張部材２０，２０，…の外周面及びボルト
１６の頭部１６ａ側の端面とを包む弾性材からな
るパツキング材２２とからなり、 上記ナツト１８の回動によつて上記各拡張部材
２０，２０，…がその外径を増加または縮小する
方向に移動するようになしたことを特徴とするコ
ア採取ライナー用閉塞具。 (2) 前記ボルト１６が、前記ねじ部１６ｂの先
端にこれより小径で且つ逆方向に切られたねじ部
１６ｃを有する実用新案登録請求の範囲第(1)項
に記載のコア採取ライナー用閉塞具。[Scope of Claim for Utility Model Registration] (1) A truncated conical member 12, 14 having a bolt through hole in the center and arranged with the small diameter portions facing each other, and a bolt inserted into the bolt through hole of the truncated conical member 12, 14. 16, and is screwed into the threaded portion 16b of the bolt 16, and the head 16a of the bolt 16 connects both the truncated conical members 12, 1.
A nut 18 for clamping the truncated conical member 12, which is formed by dividing the annular member radially into a plurality of parts, and forming the inner circumference tapered so as to fit into the valley between the truncated conical members 12 and 14; 14
It consists of expansion members 20, 20, ... fitted between the expansion members 20, 20, ..., and a packing material 22 made of an elastic material that wraps the outer circumferential surface of the expansion members 20, 20, ... and the end surface on the head 16a side of the bolt 16, An obturator for a core collection liner, characterized in that the rotation of the nut 18 causes each of the expansion members 20, 20, . . . to move in the direction of increasing or decreasing the outer diameter thereof. (2) The closure for a core collection liner according to claim 1, wherein the bolt 16 has a threaded part 16c having a smaller diameter and cut in the opposite direction at the tip of the threaded part 16b. Ingredients.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7509385U JPH0346077Y2 (en) | 1985-05-22 | 1985-05-22 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7509385U JPH0346077Y2 (en) | 1985-05-22 | 1985-05-22 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS61190849U true JPS61190849U (en) | 1986-11-27 |
| JPH0346077Y2 JPH0346077Y2 (en) | 1991-09-27 |
Family
ID=30615992
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP7509385U Expired JPH0346077Y2 (en) | 1985-05-22 | 1985-05-22 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0346077Y2 (en) |
-
1985
- 1985-05-22 JP JP7509385U patent/JPH0346077Y2/ja not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0346077Y2 (en) | 1991-09-27 |