JPS55109640A - Manufacturing cap with clip of synthetic resin - Google Patents
Manufacturing cap with clip of synthetic resinInfo
- Publication number
- JPS55109640A JPS55109640A JP1744479A JP1744479A JPS55109640A JP S55109640 A JPS55109640 A JP S55109640A JP 1744479 A JP1744479 A JP 1744479A JP 1744479 A JP1744479 A JP 1744479A JP S55109640 A JPS55109640 A JP S55109640A
- Authority
- JP
- Japan
- Prior art keywords
- clip
- cap
- chip
- molds
- synthetic resin
- 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 easily manufacture a cap having a clip in pressure contact therewith, without causing a trouble such as the damage at metal molds, by injection-molding the cap with the clip and thereafter heating the inside of the clip to curve it inward.
CONSTITUTION: Polypropylene heated at 220°C is injected into molds 3 which are not provided with recesses 3d, 3e as shown in Fig. After the polypropylene is left in the molds for ten seconds, it is picked out. As a result, a gap of 0.82W0.87mm is defined between the tip of a chip 4b and the body 4a of a cap 4. A rod 6 heated at 100°C is inserted into the gap 5 between the body 4a and the chip 4b to heat them for twenty seconds. The cap is thereafter spontaneously cooled. As a result, the chip 4b is curved toward the body 4a and the tip of the chip 4b is brought into pressure contact with the body 4a.
COPYRIGHT: (C)1980,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1744479A JPS55109640A (en) | 1979-02-16 | 1979-02-16 | Manufacturing cap with clip of synthetic resin |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1744479A JPS55109640A (en) | 1979-02-16 | 1979-02-16 | Manufacturing cap with clip of synthetic resin |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS55109640A true JPS55109640A (en) | 1980-08-23 |
JPS616770B2 JPS616770B2 (en) | 1986-02-28 |
Family
ID=11944189
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP1744479A Granted JPS55109640A (en) | 1979-02-16 | 1979-02-16 | Manufacturing cap with clip of synthetic resin |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS55109640A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4698714A (en) * | 1984-04-28 | 1987-10-06 | Sony Corporation | Flexible magnetic disc cassette |
-
1979
- 1979-02-16 JP JP1744479A patent/JPS55109640A/en active Granted
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4698714A (en) * | 1984-04-28 | 1987-10-06 | Sony Corporation | Flexible magnetic disc cassette |
Also Published As
Publication number | Publication date |
---|---|
JPS616770B2 (en) | 1986-02-28 |
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