JPH01145016U - - Google Patents
Info
- Publication number
- JPH01145016U JPH01145016U JP4127088U JP4127088U JPH01145016U JP H01145016 U JPH01145016 U JP H01145016U JP 4127088 U JP4127088 U JP 4127088U JP 4127088 U JP4127088 U JP 4127088U JP H01145016 U JPH01145016 U JP H01145016U
- Authority
- JP
- Japan
- Prior art keywords
- die
- extrusion
- nipple
- molding jig
- extrusion molding
- 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
- 238000001125 extrusion Methods 0.000 claims description 20
- 239000011347 resin Substances 0.000 claims description 9
- 229920005989 resin Polymers 0.000 claims description 9
- 210000002445 nipple Anatomy 0.000 claims description 8
- 239000011248 coating agent Substances 0.000 claims description 3
- 238000000576 coating method Methods 0.000 claims description 3
- 238000005086 pumping Methods 0.000 claims 5
- 230000002093 peripheral effect Effects 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 2
Landscapes
- Manufacturing Of Electric Cables (AREA)
Description
第１図〜第３図は、本考案の第１実施例を示す
もので、第１図は押出成形治具の全体を示す断面
図、第２図は第１図図示ダイ本体の一部断面全体
斜視図、第３図は第１図図示後ランド部の一部断
面全体斜視図、第４図は本考案の第２実施例を示
す押出成形治具の全体を示す断面図、第５図〜第
７図は第４図図示前ランド部の径Ｄ１と後ランド
部の径Ｄ２の大小関係を示す図、第８図は従来の
押出機の全体構成図、第９図は第８図図示従来の
押出成形治具の全体を示す断面図である。
１，２０……押出成形治具、２，２１……ダイ
本体、５，２２……流路、６，２３……前ランド
部、７，５０……押出部、８，２４……後ランド
部、９，１２……保形部、３０……樹脂供給装置
、４０……ニツプル、１９０……被覆樹脂、３０
０……撚線。
1 to 3 show a first embodiment of the present invention. FIG. 1 is a sectional view showing the entire extrusion molding jig, and FIG. 2 is a partial sectional view of the die body shown in FIG. 1. 3 is a partial cross-sectional overall perspective view of the rear land portion shown in FIG. 1; FIG. 4 is a sectional view showing the entire extrusion molding jig according to the second embodiment of the present invention; FIG. 5 7 is a diagram showing the size relationship between the diameter D1 of the front land portion and the diameter D2 of the rear land portion shown in FIG. 4, FIG. 8 is an overall configuration diagram of a conventional extruder, and FIG. FIG. 1 is a sectional view showing the entire conventional extrusion molding jig. 1, 20... Extrusion molding jig, 2, 21... Die body, 5, 22... Channel, 6, 23... Front land part, 7, 50... Extrusion part, 8, 24... Rear land Part, 9, 12...Shape retaining part, 30...Resin supply device, 40...Nipple, 190...Coating resin, 30
0...Twisted wire.
Claims (1)
に形成される押出部から押し出される樹脂とは別
に樹脂の被覆された心線の最外部より更に被覆樹
脂を押出し被覆する流路を設けた押出成形治具。 (2) 上記流路は、ニツプルとダイとによつて形
成される押出部に連通したものである請求項１記
載の押出成形治具。 (3) 上記流路に押し出される樹脂を圧送する圧
送装置は、ニツプルとダイとによつて形成される
押出部に押し出される樹脂を圧送する圧送装置と
は別に設けた請求項１又は２記載の押出成形治具
。 (4) 上記流路に押し出される樹脂圧は、ニツプ
ルとダイとの間の押出部に押し出される樹脂圧と
は異なるものである請求項１，２又は３記載の押
出成形治具。 (5) 上記流路は、ダイの内周面に開口されたも
のである請求項１，２，３又は４記載の押出成形
治具。 (6) 上記ダイの内径は、ニツプルとダイとの押
出部の先端の径と同一である請求項１，２，３，
４又は５記載の押出成形治具。 (7) 上記ダイの内径は、ニツプルとダイとの押
出部の先端の径より大である請求項１，２，３，
４又は５記載の押出成形治具。 (8) 上記ダイの内径は、ニツプルとダイとの押
出部の先端の径より小である請求項１，２，３，
４又は５記載の押出成形治具。[Claims for Utility Model Registration] (1) In addition to the resin extruded from the extrusion part formed in the gap between the nipple and the die at the tip of the die, the coating resin is further removed from the outermost part of the core wire coated with resin. An extrusion molding jig with a channel for extruding and coating. (2) The extrusion molding jig according to claim 1, wherein the flow path communicates with an extrusion section formed by a nipple and a die. (3) The pumping device according to claim 1 or 2, wherein the pumping device for pumping the resin to be pushed into the flow path is provided separately from the pumping device for pumping the resin to be pushed out to the extrusion section formed by the nipple and the die. Extrusion molding jig. (4) The extrusion molding jig according to claim 1, 2 or 3, wherein the pressure of the resin extruded into the flow path is different from the pressure of the resin extruded into the extrusion section between the nipple and the die. (5) The extrusion molding jig according to claim 1, 2, 3 or 4, wherein the flow path is opened on the inner peripheral surface of the die. (6) The inner diameter of the die is the same as the diameter of the tip of the extrusion portion of the nipple and the die.
5. The extrusion molding jig according to 4 or 5. (7) The inner diameter of the die is larger than the diameter of the tip of the extrusion portion between the nipple and the die.
5. The extrusion molding jig according to 4 or 5. (8) The inner diameter of the die is smaller than the diameter of the tip of the extrusion portion between the nipple and the die.
5. The extrusion molding jig according to 4 or 5.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4127088U JPH01145016U (en) | 1988-03-29 | 1988-03-29 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4127088U JPH01145016U (en) | 1988-03-29 | 1988-03-29 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH01145016U true JPH01145016U (en) | 1989-10-05 |
Family
ID=31267710
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP4127088U Pending JPH01145016U (en) | 1988-03-29 | 1988-03-29 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH01145016U (en) |
-
1988
- 1988-03-29 JP JP4127088U patent/JPH01145016U/ja active Pending
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