JPS5536025A - Molding method of flange of box shape body - Google Patents
Molding method of flange of box shape bodyInfo
- Publication number
- JPS5536025A JPS5536025A JP10838978A JP10838978A JPS5536025A JP S5536025 A JPS5536025 A JP S5536025A JP 10838978 A JP10838978 A JP 10838978A JP 10838978 A JP10838978 A JP 10838978A JP S5536025 A JPS5536025 A JP S5536025A
- Authority
- JP
- Japan
- Prior art keywords
- forming
- face
- punch
- width
- groove
- 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
- Forging (AREA)
- Closures For Containers (AREA)
- Details Of Reciprocating Pumps (AREA)
Abstract
PURPOSE: To improve strength of a flange part and seal effect of a joint face by forming a projecting part in the joint face part with a concave die and a punch having the wide width than the concave part of the concave die.
CONSTITUTION: Opposite to the flange part 3 of a box shaped body made of a metal sheet, the forming part upper face 13 of the lower molding die 10 consisting of a holder 11 and a forming part 12 is faced. On the face 13, a groove 14 in a specified depth surrounding the forming part 12 is provided, and the side walls 15, 15' of the groove 14 are provided with vertical to the even bottom 16. On the other hand, above the forming groove 14, a punch 20 for pressing is provided, and the width W of its forming part 21 is set larger than the width W1 of the forming groove 14. By pressing the punch 20, a projected part 6 is formed so as to surround the lower face of the flange part. Since the width of the punch is larger, the organization is made pressure tight. This flange part 3 face is tightened by a bolt 41 with the opposite side flange part 31 mounting packing material 40 between them. The projecting part 6 bites in the packing 40 and the seal becomes positive.
COPYRIGHT: (C)1980,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP10838978A JPS5839016B2 (en) | 1978-09-04 | 1978-09-04 | Box-shaped body flange forming method |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP10838978A JPS5839016B2 (en) | 1978-09-04 | 1978-09-04 | Box-shaped body flange forming method |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS5536025A true JPS5536025A (en) | 1980-03-13 |
JPS5839016B2 JPS5839016B2 (en) | 1983-08-26 |
Family
ID=14483517
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP10838978A Expired JPS5839016B2 (en) | 1978-09-04 | 1978-09-04 | Box-shaped body flange forming method |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5839016B2 (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR20230069287A (en) * | 2021-11-11 | 2023-05-19 | 연세대학교 산학협력단 | Apparatus and method for measuring amniotic fluid index based on ultrasound images |
-
1978
- 1978-09-04 JP JP10838978A patent/JPS5839016B2/en not_active Expired
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR20230069287A (en) * | 2021-11-11 | 2023-05-19 | 연세대학교 산학협력단 | Apparatus and method for measuring amniotic fluid index based on ultrasound images |
Also Published As
Publication number | Publication date |
---|---|
JPS5839016B2 (en) | 1983-08-26 |
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