JPH0413328U - - Google Patents
Info
- Publication number
- JPH0413328U JPH0413328U JP5558990U JP5558990U JPH0413328U JP H0413328 U JPH0413328 U JP H0413328U JP 5558990 U JP5558990 U JP 5558990U JP 5558990 U JP5558990 U JP 5558990U JP H0413328 U JPH0413328 U JP H0413328U
- Authority
- JP
- Japan
- Prior art keywords
- parison
- pinch
- pinching
- bag
- 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
- 238000000465 moulding Methods 0.000 claims description 5
- 238000000071 blow moulding Methods 0.000 claims description 3
- 238000007664 blowing Methods 0.000 description 1
Landscapes
- Blow-Moulding Or Thermoforming Of Plastics Or The Like (AREA)
- Moulds For Moulding Plastics Or The Like (AREA)
Description
第１図は、本考案の一実施例を示す垂直断面図
、第２図は、同実施例の要部斜視図、第３図イ，
ロ，ハ，ニ，ホは、上部ピンチオフ部の構造を各
々示す垂直断面図、第４図は、従来のブロー成型
装置のプリブロー時の状態を示す垂直断面図、第
５図は、同装置の型締直前の状態を示す垂直断面
図である。
２１……ブロー成形装置、２２……ダイス、２
３……成形型、２４……パリソン供給路、２５…
…エア供給路、２６……キヤビ型、２７……コア
型、２８……成型面、３０……ピンチオフ部、３
２……上部受容凹部、３３……下部受容凹部。
Fig. 1 is a vertical sectional view showing an embodiment of the present invention, Fig. 2 is a perspective view of main parts of the embodiment, Fig. 3
B, C, D, and E are vertical sectional views showing the structure of the upper pinch-off part, FIG. 4 is a vertical sectional view showing the state of a conventional blow molding device during pre-blowing, and FIG. 5 is a vertical sectional view of the same device. FIG. 3 is a vertical sectional view showing a state immediately before mold clamping. 21...Blow molding device, 22...Dice, 2
3... Molding mold, 24... Parison supply path, 25...
... Air supply path, 26 ... Cavity mold, 27 ... Core mold, 28 ... Molding surface, 30 ... Pinch-off part, 3
2... Upper receiving recess, 33... Lower receiving recess.
Claims (1)
袋状のパリソンを相対向する成型面が設けられた
一対の成形型間に介挿し、前記成型面の縁部に設
けられたピンチオフ部にて前記パリソンを挟圧す
るブロー成形装置において、前記成形型に、前記
ピンチオフ部の挟圧に伴つて前記成型面の外部に
膨張したパリソンを受容する受容凹部が設けられ
たことを特徴とするブロー成形装置。 Air is injected into the bag-shaped parison, and the bag-shaped parison is inserted between a pair of molds provided with opposing molding surfaces, and the pinch-off portion provided at the edge of the molding surface A blow molding apparatus for pinching a parison, characterized in that the mold is provided with a receiving recess for receiving the parison expanded to the outside of the molding surface due to the pinching of the pinch-off part.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5558990U JPH0413328U (en) | 1990-05-28 | 1990-05-28 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5558990U JPH0413328U (en) | 1990-05-28 | 1990-05-28 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0413328U true JPH0413328U (en) | 1992-02-03 |
Family
ID=31578674
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP5558990U Pending JPH0413328U (en) | 1990-05-28 | 1990-05-28 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0413328U (en) |
-
1990
- 1990-05-28 JP JP5558990U patent/JPH0413328U/ja active Pending
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