JPH0185005U - - Google Patents
Info
- Publication number
- JPH0185005U JPH0185005U JP1987181342U JP18134287U JPH0185005U JP H0185005 U JPH0185005 U JP H0185005U JP 1987181342 U JP1987181342 U JP 1987181342U JP 18134287 U JP18134287 U JP 18134287U JP H0185005 U JPH0185005 U JP H0185005U
- Authority
- JP
- Japan
- Prior art keywords
- middle frame
- ring
- groove
- shaped
- mutually adjacent
- 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
- 238000009415 formwork Methods 0.000 claims description 5
- 230000015572 biosynthetic process Effects 0.000 claims 1
Landscapes
- Moulds, Cores, Or Mandrels (AREA)
Description
第１図は本考案の型枠の分解断面図、第２図は
枠組みした状態の断面図、第３図は要部の拡大断
面図、第４図は従来例の断面図、第５図は円錐台
形の水抜孔を形成したコンクリート構造物の断面
図、第６図は従来の型枠の断面図である。
１……型枠、２……リング状の溝、３……中枠
、４……内枠、５……外枠、６……リング状の弾
性体、７，８……中枠構成体、９，１０……円弧
面（溝形成面）、１１……最小径部、１２……弾
性体係止面。
Fig. 1 is an exploded sectional view of the formwork of the present invention, Fig. 2 is a sectional view of the framed state, Fig. 3 is an enlarged sectional view of the main parts, Fig. 4 is a sectional view of the conventional example, and Fig. 5 is a sectional view of the formwork of the present invention. FIG. 6 is a cross-sectional view of a concrete structure in which a truncated conical drainage hole is formed, and FIG. 6 is a cross-sectional view of a conventional formwork. 1... Formwork, 2... Ring-shaped groove, 3... Middle frame, 4... Inner frame, 5... Outer frame, 6... Ring-shaped elastic body, 7, 8... Middle frame structure , 9, 10... Arc surface (groove forming surface), 11... Minimum diameter portion, 12... Elastic body locking surface.
Claims (1)
中枠と、該中枠の一端面側及び他端面側に配置さ
れる内枠及び外枠と、前記リング状の溝に内径側
の周面が嵌合されるリング状の弾性体とを備えて
いて、 前記中枠は、複数の大小、径の異なる錐台形の
中枠構成体を重ね合わせることにより構成され、
前記リング状の溝は、互に隣接する中枠構成体に
形成された溝形成面を連続させることにより構成
されていると共に、互に隣接する中枠構成体のう
ちの大径の中枠構成体の溝形成面側に、前記リン
グ状の溝の最小径部及び該最小径部から小径の中
枠構成体の溝形成面に向かつて所定の幅で伸びる
弾性体係止面を設けたことを特徴とする型枠。[Claims for Utility Model Registration] A frustum-shaped inner frame in which a groove is formed in a ring shape along the circumferential surface, an inner frame and an outer frame arranged on one end surface side and the other end surface side of the inner frame, and a ring-shaped elastic body whose inner circumferential surface is fitted into the ring-shaped groove, and the middle frame is formed by overlapping a plurality of frustum-shaped middle frame members having different sizes and diameters. configured,
The ring-shaped groove is formed by continuous groove forming surfaces formed on mutually adjacent middle frame structures, and is formed by connecting groove forming surfaces formed on mutually adjacent middle frame structures, and also on a large diameter middle frame structure of the mutually adjacent middle frame structures. A minimum diameter portion of the ring-shaped groove and an elastic body locking surface extending with a predetermined width from the minimum diameter portion toward the groove formation surface of the small diameter middle frame structure are provided on the groove forming surface side of the body. Formwork featuring:
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP18134287U JPH0521365Y2 (en) | 1987-11-28 | 1987-11-28 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP18134287U JPH0521365Y2 (en) | 1987-11-28 | 1987-11-28 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0185005U true JPH0185005U (en) | 1989-06-06 |
| JPH0521365Y2 JPH0521365Y2 (en) | 1993-06-01 |
Family
ID=31472827
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP18134287U Expired - Lifetime JPH0521365Y2 (en) | 1987-11-28 | 1987-11-28 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0521365Y2 (en) |
-
1987
- 1987-11-28 JP JP18134287U patent/JPH0521365Y2/ja not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0521365Y2 (en) | 1993-06-01 |