JPS5650759A - Metal mold for casting insulator cap - Google Patents
Metal mold for casting insulator capInfo
- Publication number
- JPS5650759A JPS5650759A JP12765779A JP12765779A JPS5650759A JP S5650759 A JPS5650759 A JP S5650759A JP 12765779 A JP12765779 A JP 12765779A JP 12765779 A JP12765779 A JP 12765779A JP S5650759 A JPS5650759 A JP S5650759A
- Authority
- JP
- Japan
- Prior art keywords
- mold
- cap
- shape
- metal mold
- inside 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
Landscapes
- Molds, Cores, And Manufacturing Methods Thereof (AREA)
Abstract
PURPOSE: To eliminate the formation of any flash and deviation of mold and prolong the life of the mold by gradually flaring upward only the part corresponding to the tapered part at the skirt end of an insulator cap of the inside shape of the single mold without matching the same to the outside shape of the cap.
CONSTITUTION: A metal mold 8 has an inside surface 9 of the shape matching the outside shape of an insulator cap 1 and gradually flaring upward. The inside surface part corresponding to the tapered part 4 at the skirt 2 end of the cap 1 in continuation to the inside surface 9 is not matched to the tapered part shape and has a flaring part 10 which is conversely slightly inclined. To pour molten metal, first the core print 16 of a socket core 15 is fitted in the recess 14 of the metal mold and a cementing core 17 of which the outside surface matches the inside surface of the cap 1 is put into the metal mold 8 and is placed on a step part 11. Molten metal is poured through a sprue 18, is allowed to ascend in the cavity and is flowed into a head 19. The gas produced escapes through a through-hole 13, and during the cooling process, the sprue 18 and head 19 are broken, after which an ejector bar is inserted into the hole 13 to remove the casting from the metal mold. The excess metal of the tapered part 4 is cut to obtain the product.
COPYRIGHT: (C)1981,JPO&Japio
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12765779A JPS5650759A (en) | 1979-10-03 | 1979-10-03 | Metal mold for casting insulator cap |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12765779A JPS5650759A (en) | 1979-10-03 | 1979-10-03 | Metal mold for casting insulator cap |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS5650759A true JPS5650759A (en) | 1981-05-08 |
| JPS63142B2 JPS63142B2 (en) | 1988-01-05 |
Family
ID=14965499
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP12765779A Granted JPS5650759A (en) | 1979-10-03 | 1979-10-03 | Metal mold for casting insulator cap |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5650759A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH03120939U (en) * | 1990-03-20 | 1991-12-11 |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS453535Y1 (en) * | 1966-09-27 | 1970-02-18 | ||
| JPS537289U (en) * | 1976-07-05 | 1978-01-21 | ||
| JPS54127658A (en) * | 1978-03-28 | 1979-10-03 | Nec Corp | Variable attenuator circuit |
-
1979
- 1979-10-03 JP JP12765779A patent/JPS5650759A/en active Granted
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS453535Y1 (en) * | 1966-09-27 | 1970-02-18 | ||
| JPS537289U (en) * | 1976-07-05 | 1978-01-21 | ||
| JPS54127658A (en) * | 1978-03-28 | 1979-10-03 | Nec Corp | Variable attenuator circuit |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH03120939U (en) * | 1990-03-20 | 1991-12-11 |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS63142B2 (en) | 1988-01-05 |
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