JPH03106024U - - Google Patents
Info
- Publication number
- JPH03106024U JPH03106024U JP1990015010U JP1501090U JPH03106024U JP H03106024 U JPH03106024 U JP H03106024U JP 1990015010 U JP1990015010 U JP 1990015010U JP 1501090 U JP1501090 U JP 1501090U JP H03106024 U JPH03106024 U JP H03106024U
- Authority
- JP
- Japan
- Prior art keywords
- die
- spider
- synthetic resin
- extrusion molding
- mandrel
- 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
- 238000001125 extrusion Methods 0.000 claims description 6
- 241000239290 Araneae Species 0.000 claims description 5
- 230000004927 fusion Effects 0.000 claims description 4
- 229920005989 resin Polymers 0.000 claims description 3
- 239000011347 resin Substances 0.000 claims description 3
- 229920003002 synthetic resin Polymers 0.000 claims 3
- 239000000057 synthetic resin Substances 0.000 claims 3
- 230000002093 peripheral effect Effects 0.000 claims 2
- 230000007423 decrease Effects 0.000 claims 1
- 230000001788 irregular Effects 0.000 claims 1
Landscapes
- Extrusion Moulding Of Plastics Or The Like (AREA)
Description
第１図はこの考案の一実施例を示す押出成形用
ダイの縦断面図、第２図及び第３図は第１図−
線及び−線の断面図、第４図は成形パイプ
の強度試験の実施状態を示す縦断面図、第５図は
この考案の他の実施例を示す縦断面図、第６図は
第５図−線の断面図、第７図は融着用溝の変
形例を示す要部拡大断面図である。
２……ダイリング、３……スパイダー、３ａ…
…スパイダー脚、５……マンドレル、６……樹脂
流路、１０，２０，３０……融着用溝。
Fig. 1 is a longitudinal sectional view of an extrusion molding die showing an embodiment of this invention, and Figs. 2 and 3 are Fig. 1-
4 is a longitudinal sectional view showing the strength test of a formed pipe, FIG. 5 is a longitudinal sectional view showing another embodiment of this invention, and FIG. 7 is an enlarged sectional view of a main part showing a modified example of the fusion groove. 2... Dairing, 3... Spider, 3a...
... Spider leg, 5 ... Mandrel, 6 ... Resin channel, 10, 20, 30 ... Groove for fusion.
Claims (1)
ンドレルの外周面及びダイリングの内周面のいず
れか一方又は双方に、スパイダー脚の存する軸線
上において樹脂流れの方向に平行な融着用溝が設
けられていることを特徴とする合成樹脂パイプの
押出成形用ダイ。 (2) 融着用溝は、スパイダーと環状押出口との
間に位置する最も深さの深い部分から樹脂流れの
方向に向つて深さが漸次減少されており、前記押
出口において消滅されている請求項(1)記載の合
成樹脂パイプの押出成形用ダイ。 (3) 融着用溝は、その横断面の最も深さの深い
点とマンドレル中心とを結ぶ中心線に対して、左
右を非対称とする異形断面形状に形成されている
請求項(1)または(2)に記載の合成樹脂パイプの押
出成形用ダイ。[Claims for Utility Model Registration] (1) At a position downstream from the spider, on either or both of the outer peripheral surface of the mandrel and the inner peripheral surface of the die ring, on the axis where the spider legs exist, in the direction of resin flow. A die for extrusion molding of synthetic resin pipes, characterized by having parallel grooves for fusing. (2) The depth of the fusion groove gradually decreases in the direction of resin flow from the deepest part located between the spider and the annular extrusion port, and disappears at the extrusion port. A die for extrusion molding a synthetic resin pipe according to claim (1). (3) The fusion groove is formed in an irregular cross-sectional shape that is asymmetrical with respect to the center line connecting the deepest point of the cross section and the center of the mandrel. A die for extrusion molding of synthetic resin pipes as described in 2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1990015010U JPH0730345Y2 (en) | 1990-02-16 | 1990-02-16 | Extrusion molding die for synthetic resin pipes |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1990015010U JPH0730345Y2 (en) | 1990-02-16 | 1990-02-16 | Extrusion molding die for synthetic resin pipes |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH03106024U true JPH03106024U (en) | 1991-11-01 |
| JPH0730345Y2 JPH0730345Y2 (en) | 1995-07-12 |
Family
ID=31518342
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1990015010U Expired - Fee Related JPH0730345Y2 (en) | 1990-02-16 | 1990-02-16 | Extrusion molding die for synthetic resin pipes |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0730345Y2 (en) |
-
1990
- 1990-02-16 JP JP1990015010U patent/JPH0730345Y2/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0730345Y2 (en) | 1995-07-12 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| LAPS | Cancellation because of no payment of annual fees |