JPS5693527A - Manufacture of polyolefin molded article - Google Patents
Manufacture of polyolefin molded articleInfo
- Publication number
- JPS5693527A JPS5693527A JP17242579A JP17242579A JPS5693527A JP S5693527 A JPS5693527 A JP S5693527A JP 17242579 A JP17242579 A JP 17242579A JP 17242579 A JP17242579 A JP 17242579A JP S5693527 A JPS5693527 A JP S5693527A
- Authority
- JP
- Japan
- Prior art keywords
- mold
- melted
- polyolefin
- molded article
- end surface
- 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
Abstract
PURPOSE: To mold easily the polyolefin molded article excellent in shock resistance, dimentional stability and durability by molding under pressure melted polyolefin whose melt index is below a specified value at a specific temperature.
CONSTITUTION: The melted polyolefin whose melt index is below 2.0 is molded under pressure at the temperature of 180W250°C by using a metal mold whose male and female die ends are closed through sliding. The mold requires closure through sliding of the end surface 15a of the male die 14a and of the end surface 17a of the female die 16a and this operation acts for depriving the material of a space for escape. Therefore, the pressure is applied uniformly to the whole of melted polyolefin or composite thereof, thereby the flow of the melted material is expanded and thus the space inside the mold is filled up sequentially with the material, while a stopper 18 acting also effectively, whereby a prescribed form of the material is finally obtained.
COPYRIGHT: (C)1981,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP17242579A JPS5693527A (en) | 1979-12-27 | 1979-12-27 | Manufacture of polyolefin molded article |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP17242579A JPS5693527A (en) | 1979-12-27 | 1979-12-27 | Manufacture of polyolefin molded article |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS5693527A true JPS5693527A (en) | 1981-07-29 |
JPS6153939B2 JPS6153939B2 (en) | 1986-11-20 |
Family
ID=15941725
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP17242579A Granted JPS5693527A (en) | 1979-12-27 | 1979-12-27 | Manufacture of polyolefin molded article |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5693527A (en) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2005231108A (en) * | 2004-02-18 | 2005-09-02 | Asahi Kasei Chemicals Corp | Washing agent for molding machine |
JP2006231574A (en) * | 2005-02-22 | 2006-09-07 | Kubota Matsushitadenko Exterior Works Ltd | Manufacturing method of molded product |
JP2018138363A (en) * | 2017-02-24 | 2018-09-06 | 株式会社栗本鐵工所 | Positioning device, apparatus for manufacturing fiber-reinforced resin molded product, and method for charging mold |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS50158652A (en) * | 1974-06-14 | 1975-12-22 |
-
1979
- 1979-12-27 JP JP17242579A patent/JPS5693527A/en active Granted
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS50158652A (en) * | 1974-06-14 | 1975-12-22 |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2005231108A (en) * | 2004-02-18 | 2005-09-02 | Asahi Kasei Chemicals Corp | Washing agent for molding machine |
JP4504699B2 (en) * | 2004-02-18 | 2010-07-14 | 旭化成ケミカルズ株式会社 | Cleaning agent for molding machine |
JP2006231574A (en) * | 2005-02-22 | 2006-09-07 | Kubota Matsushitadenko Exterior Works Ltd | Manufacturing method of molded product |
JP2018138363A (en) * | 2017-02-24 | 2018-09-06 | 株式会社栗本鐵工所 | Positioning device, apparatus for manufacturing fiber-reinforced resin molded product, and method for charging mold |
Also Published As
Publication number | Publication date |
---|---|
JPS6153939B2 (en) | 1986-11-20 |
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