JPS55130740A - Metallic mold for producing knob - Google Patents
Metallic mold for producing knobInfo
- Publication number
- JPS55130740A JPS55130740A JP3875379A JP3875379A JPS55130740A JP S55130740 A JPS55130740 A JP S55130740A JP 3875379 A JP3875379 A JP 3875379A JP 3875379 A JP3875379 A JP 3875379A JP S55130740 A JPS55130740 A JP S55130740A
- Authority
- JP
- Japan
- Prior art keywords
- projection
- metallic mold
- knob
- grooves
- cavity
- 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
Landscapes
- Details Of Measuring And Other Instruments (AREA)
- Moulds For Moulding Plastics Or The Like (AREA)
Abstract
PURPOSE: To prevent a convex part equipped on a knob from crushing by a method wherein special concave grooves are provided respectively on the side wall of a projection formed on one metallic mold fitted to the cavity of the other metallic mold and on the side wall of the boss part prepared on the projection.
CONSTITUTION: A projection 8 fitted into a cavity 6 of one metallic mold 5 is equipped on the other metallic mold 7 and grooves 10a, 10b are formed on both side walls of the projection 8 from one side of the projection 8 toward the other one. A boss part 11 is formed on one side of the projection 8 and on its side walls also are formed grooves 12a, 12b which are put in the same direction as the grooves 10a, 10b and greater than them. Resin 9 is cast and hardened between the projection 8 and the inner wall of the cavity 6 and the metallic mold 5 is drawn out toward the left. When the formed knob is pushed by bars 13a, 13b and removed from the projection 8, the resin which has been inserted into the cavities 12a, 12b runs on the side walls of the boss 11, the right ends of the knob open a little in the vertical direction and the resin which is inserted in the smaller grooves 10a, 10b can slip out without being crushed.
COPYRIGHT: (C)1980,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP3875379A JPS591173B2 (en) | 1979-03-30 | 1979-03-30 | Mold for manufacturing knobs |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP3875379A JPS591173B2 (en) | 1979-03-30 | 1979-03-30 | Mold for manufacturing knobs |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS55130740A true JPS55130740A (en) | 1980-10-09 |
JPS591173B2 JPS591173B2 (en) | 1984-01-10 |
Family
ID=12534047
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP3875379A Expired JPS591173B2 (en) | 1979-03-30 | 1979-03-30 | Mold for manufacturing knobs |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS591173B2 (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH01122416A (en) * | 1987-11-07 | 1989-05-15 | Tougou Seisakusho:Kk | Molding method for baggy member with connecting nail |
-
1979
- 1979-03-30 JP JP3875379A patent/JPS591173B2/en not_active Expired
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH01122416A (en) * | 1987-11-07 | 1989-05-15 | Tougou Seisakusho:Kk | Molding method for baggy member with connecting nail |
JPH0737029B2 (en) * | 1987-11-07 | 1995-04-26 | 株式会社東郷製作所 | Method for forming bag-shaped member with locking claw |
Also Published As
Publication number | Publication date |
---|---|
JPS591173B2 (en) | 1984-01-10 |
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