JPH0413723U - - Google Patents
Info
- Publication number
- JPH0413723U JPH0413723U JP5444690U JP5444690U JPH0413723U JP H0413723 U JPH0413723 U JP H0413723U JP 5444690 U JP5444690 U JP 5444690U JP 5444690 U JP5444690 U JP 5444690U JP H0413723 U JPH0413723 U JP H0413723U
- Authority
- JP
- Japan
- Prior art keywords
- concave portion
- shape
- certain temperature
- exceeded
- returning
- 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.)
- Pending
Links
- 239000012781 shape memory material Substances 0.000 claims 1
Landscapes
- Shaping By String And By Release Of Stress In Plastics And The Like (AREA)
Description
第１図は本考案の一実施例を示す斜視図、第２
図は本考案の他の実施例を示す斜視図、第３図イ
及びロは本考案の更に他の実施例を夫々示す端面
図である。 １……竪樋、１１……凹陥部。
図は本考案の他の実施例を示す斜視図、第３図イ
及びロは本考案の更に他の実施例を夫々示す端面
図である。 １……竪樋、１１……凹陥部。
Claims (1)
- 管壁の長さ方向に沿つて凹陥部が凹設され、少
なくとも該凹陥部が形状記憶材料で製されており
、外気温が一定温度以下になると、凹陥部が外方
に膨出するように形状変化すると共に、一定温度
を超えると原形に復元するようになされているこ
とを特徴とする竪樋。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5444690U JPH0413723U (ja) | 1990-05-24 | 1990-05-24 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5444690U JPH0413723U (ja) | 1990-05-24 | 1990-05-24 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0413723U true JPH0413723U (ja) | 1992-02-04 |
Family
ID=31576516
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP5444690U Pending JPH0413723U (ja) | 1990-05-24 | 1990-05-24 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0413723U (ja) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6439307U (ja) * | 1987-09-02 | 1989-03-09 |
-
1990
- 1990-05-24 JP JP5444690U patent/JPH0413723U/ja active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6439307U (ja) * | 1987-09-02 | 1989-03-09 |