JPH0254514U - - Google Patents
Info
- Publication number
- JPH0254514U JPH0254514U JP1988131179U JP13117988U JPH0254514U JP H0254514 U JPH0254514 U JP H0254514U JP 1988131179 U JP1988131179 U JP 1988131179U JP 13117988 U JP13117988 U JP 13117988U JP H0254514 U JPH0254514 U JP H0254514U
- Authority
- JP
- Japan
- Prior art keywords
- plunger
- circumferential groove
- mold
- transfer
- pot
- 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
- 239000012778 molding material Substances 0.000 claims 1
- 238000001721 transfer moulding Methods 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/17—Component parts, details or accessories; Auxiliary operations
- B29C45/46—Means for plasticising or homogenising the moulding material or forcing it into the mould
- B29C45/58—Details
- B29C45/586—Injection or transfer plungers
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Mechanical Engineering (AREA)
- Injection Moulding Of Plastics Or The Like (AREA)
Description
第１図ａ，ｂ、および第２図ａ，ｂはそれぞれ
異なる本考案実施例によるプランジヤの構造を示
す側面図、および一部切欠平面図、第３図はさら
に異なる実施例によるプランジヤの横断面図、第
４図はポツト式トランスフア成形金型の構成断面
図、第５図は従来におけるプランジヤの使用状態
図である。図において、
１：上型、２：下型、３：ポツト、７：プラン
ジヤ、８：周溝、８ａ：堰。
Figures 1a and 1b and 2a and 2b are side views and partially cutaway plan views showing the structure of plungers according to different embodiments of the present invention, respectively, and Figure 3 is a cross-sectional view of a plunger according to a further different embodiment. 4 is a sectional view of a pot-type transfer mold, and FIG. 5 is a diagram showing a conventional plunger in use. In the figure, 1: upper mold, 2: lower mold, 3: pot, 7: plunger, 8: circumferential groove, 8a: weir.
Claims (1)
加熱溶融した成形材料をキヤビテイへ向けて圧入
するプランジヤであり、その外周面に周溝を形成
したものにおいて、前記周溝を周方向で半周以内
の区画に分断して形成したことを特徴とするトラ
ンスフア成形金型用プランジヤ。 A plunger that is inserted into a pot of a transfer molding mold and press-fits the heated and melted molding material into the cavity, and has a circumferential groove formed on its outer circumferential surface, within half a circumference of the circumferential groove in the circumferential direction. A plunger for a transfer mold, characterized in that it is formed by being divided into sections.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1988131179U JPH0254514U (en) | 1988-10-06 | 1988-10-06 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1988131179U JPH0254514U (en) | 1988-10-06 | 1988-10-06 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0254514U true JPH0254514U (en) | 1990-04-19 |
Family
ID=31387006
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1988131179U Pending JPH0254514U (en) | 1988-10-06 | 1988-10-06 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0254514U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2009000825A (en) * | 2007-06-19 | 2009-01-08 | Daiichi Seiko Kk | Resin sealing device, moving member, and resin sealing method |
-
1988
- 1988-10-06 JP JP1988131179U patent/JPH0254514U/ja active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2009000825A (en) * | 2007-06-19 | 2009-01-08 | Daiichi Seiko Kk | Resin sealing device, moving member, and resin sealing method |