JPS56136340A - Mold for molding bobbin - Google Patents
Mold for molding bobbinInfo
- Publication number
- JPS56136340A JPS56136340A JP3944780A JP3944780A JPS56136340A JP S56136340 A JPS56136340 A JP S56136340A JP 3944780 A JP3944780 A JP 3944780A JP 3944780 A JP3944780 A JP 3944780A JP S56136340 A JPS56136340 A JP S56136340A
- Authority
- JP
- Japan
- Prior art keywords
- mold
- molding
- roughened
- collars
- bobbin
- 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)
Abstract
PURPOSE: To enable to mold the bobbin having roughened surfaces at the inside surfaces of its collars by providing a drawable core plate of special shape in the titled mold.
CONSTITUTION: In the mold for molding the bobbin 1 having the roughened surfaces at the inside peripheral surfaces 3' of the collars 3, 3 provided at both ends of a cylinder part 2, the drawable core plate 8 having a projected part 9 for molding the contour of the cylinder part 2 and the inside peripheral surfaces 3' of the collars 3, 3 is provided. The part of the projected part 9 of the core plate 8 for molding the inside peripheral surface 3' of the collar 3 is provided with the roughened surface and a taper of a great gradient so that the inside surface of the collar 3 will be roughened and slanted outwards.
COPYRIGHT: (C)1981,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP3944780A JPS56136340A (en) | 1980-03-27 | 1980-03-27 | Mold for molding bobbin |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP3944780A JPS56136340A (en) | 1980-03-27 | 1980-03-27 | Mold for molding bobbin |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS56136340A true JPS56136340A (en) | 1981-10-24 |
Family
ID=12553272
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP3944780A Pending JPS56136340A (en) | 1980-03-27 | 1980-03-27 | Mold for molding bobbin |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS56136340A (en) |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5525315B1 (en) * | 1971-04-15 | 1980-07-04 |
-
1980
- 1980-03-27 JP JP3944780A patent/JPS56136340A/en active Pending
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5525315B1 (en) * | 1971-04-15 | 1980-07-04 |
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