JPH0447521U - - Google Patents
Info
- Publication number
- JPH0447521U JPH0447521U JP1990089848U JP8984890U JPH0447521U JP H0447521 U JPH0447521 U JP H0447521U JP 1990089848 U JP1990089848 U JP 1990089848U JP 8984890 U JP8984890 U JP 8984890U JP H0447521 U JPH0447521 U JP H0447521U
- Authority
- JP
- Japan
- Prior art keywords
- die
- protrusions
- manifold
- mold
- contact
- 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 2
- 239000002985 plastic film Substances 0.000 claims description 2
- 239000011347 resin Substances 0.000 claims 1
- 229920005989 resin Polymers 0.000 claims 1
Landscapes
- Extrusion Moulding Of Plastics Or The Like (AREA)
Description
図１は本考案の実施例を上下中央の水平面で切
断して示す断面図、図２は図１における−断
面図、図３は図２の点線枠内を示す拡大図、図４
、図５並びに図６は本考案において使用するマニ
ホールド部の背後の金型突部の嵌合構造の異なる
例を示す断面図、図７は従来のプラスチツクシー
ト押出成形用ダイを示す断面図、図８は図７にお
ける−断面図、図９は図８における−断
面図である。
１……上金型、２……下金型、３……ノズル部
、５……マニホールド部、７……ダイランド部、
８……突部。
FIG. 1 is a sectional view showing an embodiment of the present invention taken along a horizontal plane at the center of the top and bottom, FIG. 2 is a cross-sectional view taken from FIG.
, FIGS. 5 and 6 are cross-sectional views showing different examples of the fitting structure of the mold protrusion behind the manifold part used in the present invention, and FIG. 7 is a cross-sectional view showing a conventional plastic sheet extrusion molding die. 8 is a cross-sectional view in FIG. 7, and FIG. 9 is a cross-sectional view in FIG. 1... Upper mold, 2... Lower mold, 3... Nozzle part, 5... Manifold part, 7... Die land part,
8... Protrusion.
Claims (1)
ルド部とダイランド部とからなる樹脂通路を備え
、マニホールド部背後の上下金型の合わせ部が、
突部同志の接触によつて形成されているダイにお
いて、上記突部同志の接触面を互いに嵌合する凹
凸面、斜面、または階段面としたことを特徴とす
るプラスチツクシート押出成形用ダイ。 A resin passage consisting of a nozzle part, a manifold part, and a die land part is provided between the upper mold and the lower mold, and the joining part of the upper and lower molds behind the manifold part is
1. A die for extrusion molding a plastic sheet, characterized in that the die is formed by contact between protrusions, and the contact surfaces of the protrusions are formed into an uneven surface, an inclined surface, or a step surface that fit into each other.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1990089848U JPH0447521U (en) | 1990-08-27 | 1990-08-27 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1990089848U JPH0447521U (en) | 1990-08-27 | 1990-08-27 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0447521U true JPH0447521U (en) | 1992-04-22 |
Family
ID=31824124
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1990089848U Pending JPH0447521U (en) | 1990-08-27 | 1990-08-27 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0447521U (en) |
-
1990
- 1990-08-27 JP JP1990089848U patent/JPH0447521U/ja active Pending