JPH0311187U - - Google Patents
Info
- Publication number
- JPH0311187U JPH0311187U JP7137789U JP7137789U JPH0311187U JP H0311187 U JPH0311187 U JP H0311187U JP 7137789 U JP7137789 U JP 7137789U JP 7137789 U JP7137789 U JP 7137789U JP H0311187 U JPH0311187 U JP H0311187U
- Authority
- JP
- Japan
- Prior art keywords
- blow
- injection
- synthetic resin
- tube
- resin composite
- 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
Landscapes
- Rigid Pipes And Flexible Pipes (AREA)
Description
第１図は本考案に係る合成樹脂製複合管の一実
施例を示す縦断面図である。第２図は第１図の第
１射出成形部品が形成される位置に相当する部分
のブロー成形管を示す斜視図である。第３図は第
１図の第１射出成形部品が形成される位置に相当
する部分のブロー成形管を拡大して示す縦断面図
である。第４図はブロー成形により形成されたブ
ロー成形管を示す縦断面図である。第５図は第４
図のブロー成形管を射出成形用金型内に収容した
状態を示す縦断面図である。第６図は第５図の射
出成形用金型内に合成樹脂を射出し充填した状態
を示す縦断面図である。第７図は本考案に係る合
成樹脂製複合管の他の実施例を示す縦断面図であ
る。第８図は従来の合成樹脂製複合管を示す縦断
面図である。第９図はブロー成形により形成され
たブロー成形管を示す縦断面図である。第１０図
は第９図のブロー成形管を射出成形用金型内に収
容した状態を示す縦断面図である。第１１図は第
１０図の射出成形用金型内に合成樹脂を射出し充
填した状態を示す縦断面図である。
主要な部分の符号の説明、３１，６１……合成
樹脂製複合管、３３，５７……ブロー成形管、３
５，５１……第１射出成形部品、３７，５３……
第２射出成形部品、３９，５５……第３射出成形
部品、４１……回転防止用突部、４５……射出成
形用金型、５９……回転防止用凹部。
FIG. 1 is a longitudinal sectional view showing an embodiment of a synthetic resin composite pipe according to the present invention. FIG. 2 is a perspective view showing a portion of the blow molded tube corresponding to the position where the first injection molded part of FIG. 1 is formed. FIG. 3 is an enlarged longitudinal sectional view of the blow molded tube in a portion corresponding to the position where the first injection molded part of FIG. 1 is formed. FIG. 4 is a longitudinal sectional view showing a blow molded tube formed by blow molding. Figure 5 is the 4th
FIG. 2 is a longitudinal cross-sectional view showing the blow molded tube shown in the figure accommodated in an injection mold. FIG. 6 is a longitudinal sectional view showing a state in which synthetic resin is injected and filled into the injection mold of FIG. 5. FIG. FIG. 7 is a longitudinal sectional view showing another embodiment of the synthetic resin composite pipe according to the present invention. FIG. 8 is a longitudinal sectional view showing a conventional synthetic resin composite pipe. FIG. 9 is a longitudinal sectional view showing a blow molded tube formed by blow molding. FIG. 10 is a longitudinal sectional view showing the blow molded tube of FIG. 9 housed in an injection mold. FIG. 11 is a longitudinal sectional view showing a state in which synthetic resin is injected and filled into the injection mold of FIG. 10. Explanation of symbols of main parts, 31, 61...Synthetic resin composite pipe, 33, 57...Blow molded pipe, 3
5,51...first injection molded part, 37,53...
2nd injection molded part, 39, 55...Third injection molded part, 41...Protrusion for preventing rotation, 45...Mold for injection molding, 59...Recess for preventing rotation.
Claims (1)
出成形用金型内に中子として配置し、前記射出成
形用金型内に合成樹脂を射出することにより、前
記ブロー成形管の外周に射出成形部品を一体的に
形成してなる合成樹脂製複合管において、前記射
出成形部品が形成される前記ブロー成形管の外周
に回転防止用突部または回転防止用凹部を形成し
てなることを特徴とする合成樹脂製複合管。 A blow molded tube formed by blow molding is placed as a core in an injection mold, and a synthetic resin is injected into the injection mold to form an injection molded part on the outer periphery of the blow molded tube. A synthetic resin composite tube integrally formed, characterized in that a rotation-preventing protrusion or a rotation-preventing recess is formed on the outer periphery of the blow-molded tube on which the injection-molded part is formed. Resin composite pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7137789U JPH0311187U (en) | 1989-06-19 | 1989-06-19 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7137789U JPH0311187U (en) | 1989-06-19 | 1989-06-19 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0311187U true JPH0311187U (en) | 1991-02-04 |
Family
ID=31608351
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP7137789U Pending JPH0311187U (en) | 1989-06-19 | 1989-06-19 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0311187U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2020015212A (en) * | 2018-07-25 | 2020-01-30 | 三井化学株式会社 | Connecting pipe and method for manufacturing connecting pipe |
-
1989
- 1989-06-19 JP JP7137789U patent/JPH0311187U/ja active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2020015212A (en) * | 2018-07-25 | 2020-01-30 | 三井化学株式会社 | Connecting pipe and method for manufacturing connecting pipe |