JPS5590316A - Drawing molding of high polymer product - Google Patents
Drawing molding of high polymer productInfo
- Publication number
- JPS5590316A JPS5590316A JP16485778A JP16485778A JPS5590316A JP S5590316 A JPS5590316 A JP S5590316A JP 16485778 A JP16485778 A JP 16485778A JP 16485778 A JP16485778 A JP 16485778A JP S5590316 A JPS5590316 A JP S5590316A
- Authority
- JP
- Japan
- Prior art keywords
- mold
- forming section
- high polymer
- burr
- product
- 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
Landscapes
- Moulds For Moulding Plastics Or The Like (AREA)
- Blow-Moulding Or Thermoforming Of Plastics Or The Like (AREA)
Abstract
PURPOSE: To obtain a high polymer product free from local deviation of the intermediate reinforcing layer from a sheet-shaped high polymer material having an intermediate reinforcing layer by rolling the portion molded with the product forming section of a mold after the portion molded with the burr forming section of the die.
CONSTITUTION: A mold is composed of a male mold 11 and a female mold 10 in which a product forming section 12 having a bead forming part 14 on the circumference thereof and a burr forming section 13 are properly arranged. The mold is so constructed that the distance between the product forming sections 12 of the two molds are slightly less than the thickness of the high polymer material 4 while the distance between the burr forming sections 13 of the two molds ranges from 1/5W 1/2 as large as that of between the burr forming sections 13 thereof when the male mold 11 and the female mold 10 are closed. A high polymer material having an intermediate reinforcing layer 2 is set into the female mold 10 heated and then, drawn toward the female mold 10 with the male mold 11 thus heated in such a manner that the material existing in the burr forming section 13 flows to the circumference of the burr forming section 13 and the bead forming part 14 through stretching. With further drawing of the male mold 11, the mold is closed completely whereby the material existing in the product forming section 12 are stretched to mold.
COPYRIGHT: (C)1980,JPO&Japio
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP16485778A JPS5590316A (en) | 1978-12-28 | 1978-12-28 | Drawing molding of high polymer product |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP16485778A JPS5590316A (en) | 1978-12-28 | 1978-12-28 | Drawing molding of high polymer product |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS5590316A true JPS5590316A (en) | 1980-07-08 |
Family
ID=15801225
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP16485778A Pending JPS5590316A (en) | 1978-12-28 | 1978-12-28 | Drawing molding of high polymer product |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5590316A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS63109038A (en) * | 1986-10-28 | 1988-05-13 | F S K Kk | Usage of thermoplastic sheet |
| JPH06137426A (en) * | 1992-05-18 | 1994-05-17 | Westinghouse Air Brake Co | Diaphragm member and manufacture thereof |
-
1978
- 1978-12-28 JP JP16485778A patent/JPS5590316A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS63109038A (en) * | 1986-10-28 | 1988-05-13 | F S K Kk | Usage of thermoplastic sheet |
| JPH06137426A (en) * | 1992-05-18 | 1994-05-17 | Westinghouse Air Brake Co | Diaphragm member and manufacture thereof |
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