JPH0339527U - - Google Patents
Info
- Publication number
- JPH0339527U JPH0339527U JP10135289U JP10135289U JPH0339527U JP H0339527 U JPH0339527 U JP H0339527U JP 10135289 U JP10135289 U JP 10135289U JP 10135289 U JP10135289 U JP 10135289U JP H0339527 U JPH0339527 U JP H0339527U
- Authority
- JP
- Japan
- Prior art keywords
- mold
- cavity
- molding
- gate
- hollow
- 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
- 238000000465 moulding Methods 0.000 claims description 6
- 238000010068 moulding (rubber) Methods 0.000 claims description 3
- 230000000149 penetrating effect Effects 0.000 claims 1
- 238000000034 method Methods 0.000 description 1
Landscapes
- Moulds For Moulding Plastics Or The Like (AREA)
Description
第１図〜第３図は本考案の一実施例のゴム成形
用金型に関し、第１図はその概略構成を示す断面
図、第２図はその要部拡大説明図、第３図は成形
された成形体の断面図である。第４図及び第５図
は従来の成形用金型及び成形体の断面図、第６図
は第１図の実施例の成形用金型に至るまでの過程
で案出された成形用金型の要部拡大説明図である
。
１……上型、２……中型、３……下型、１０…
…第１キヤビテイ、２０……第２キヤビテイ、１
１……ゲート、３０……中空コア、３１……拡径
部、Ａ……大径部、Ｂ……小径部、Ｃ……中空部
。
Figures 1 to 3 relate to a rubber molding mold according to an embodiment of the present invention, in which Figure 1 is a sectional view showing its schematic configuration, Figure 2 is an enlarged explanatory view of its main parts, and Figure 3 is a molding die for rubber molding. FIG. Figures 4 and 5 are cross-sectional views of a conventional molding die and a molded body, and Figure 6 is a molding die devised in the process leading up to the molding die of the embodiment shown in Figure 1. FIG. 1... Upper mold, 2... Middle mold, 3... Lower mold, 10...
...First cavity, 20...Second cavity, 1
1... Gate, 30... Hollow core, 31... Expanded diameter part, A... Large diameter part, B... Small diameter part, C... Hollow part.
Claims (1)
向に貫通する中空部をもつ筒状の成形体を成形す
る金型であつて、該大径部を成形する第１キヤビ
テイをもつ上型と、該小径部を成形する第２キヤ
ビテイをもつ中型と、該第１キヤビテイ及び該第
２キヤビテイ内に突出し該中空部を成形する中空
コアをもつ下型と、よりなり、該中空コア先端と
該上型との間に該第１キヤビテイに連通する筒状
のゲートをもつ金型において、 該中空コア先端には径の大きな拡径部をもち該
拡径部が該ゲート内に位置して該ゲート内でアン
ダーカツト部が成形され型開き時に該拡径部が該
アンダーカツト部と係合することにより該成形体
が該中型に取られるように構成されたことを特徴
とするゴム成形用金型。[Scope of Claim for Utility Model Registration] A mold for forming a cylindrical molded body having a large diameter part and a small diameter part on the outer periphery and a hollow part penetrating the inside in the axial direction, An upper mold having a first cavity for molding, a middle mold having a second cavity for molding the small diameter portion, and a lower mold having a hollow core protruding into the first cavity and the second cavity to mold the hollow portion. , a mold having a cylindrical gate communicating with the first cavity between the hollow core tip and the upper mold, the hollow core tip having an enlarged diameter part with a large diameter, The part is located within the gate, the undercut part is molded within the gate, and when the mold is opened, the enlarged diameter part engages with the undercut part, so that the molded article is taken into the intermediate mold. A rubber molding mold characterized by:
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10135289U JPH0614999Y2 (en) | 1989-08-30 | 1989-08-30 | Rubber molding dies |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10135289U JPH0614999Y2 (en) | 1989-08-30 | 1989-08-30 | Rubber molding dies |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0339527U true JPH0339527U (en) | 1991-04-16 |
| JPH0614999Y2 JPH0614999Y2 (en) | 1994-04-20 |
Family
ID=31650310
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP10135289U Expired - Lifetime JPH0614999Y2 (en) | 1989-08-30 | 1989-08-30 | Rubber molding dies |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0614999Y2 (en) |
-
1989
- 1989-08-30 JP JP10135289U patent/JPH0614999Y2/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0614999Y2 (en) | 1994-04-20 |
Similar Documents
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| EXPY | Cancellation because of completion of term |