JPS571531A - Production of hollow flange - Google Patents
Production of hollow flangeInfo
- Publication number
- JPS571531A JPS571531A JP7458680A JP7458680A JPS571531A JP S571531 A JPS571531 A JP S571531A JP 7458680 A JP7458680 A JP 7458680A JP 7458680 A JP7458680 A JP 7458680A JP S571531 A JPS571531 A JP S571531A
- Authority
- JP
- Japan
- Prior art keywords
- flange
- plate
- hole
- holes
- along
- 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 inexpensively obtain a hollow flange which permits reduction in weight and mass production without undergoing casting, forging and cutting out through machining by subjecting a metallic plate to blanking and drawing.
CONSTITUTION: A track-shaped hole 2 of a shape provided continuously with semicircular holes 2b at both ends of a rectangular hole 2a is punched to a metallic plate (particularly steel plate) 1. The plate 1 provided with the hole 2 is then subjected to drawing along its outside circumferential edge, thereby forming an outside circumferential flange 3 projecting perpendicularly to the central part of the plate 1. Drawing is applied along the inside circumferential edge of the hole 2 as well to form an inside circumferential flange 4. Thence, the plate 1 formed with the flanges 3, 4 is bent 90° in the direction where the flange 3 projects, along the boundary lines A, A of the holes 2a and the holes 2b. The resultant butt parts 5 are joined by welding to form a flange half 6. A pair of the halves 6 are then butted respectively at the holes 2b and are so combined as to form a hole of a circular shape. The contact parts thereof are joined by welding, whereby a hollow flange 7 is completed. This flange 7 is optimum for the flange part of parts for vehicles.
COPYRIGHT: (C)1982,JPO&Japio
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7458680A JPS571531A (en) | 1980-06-03 | 1980-06-03 | Production of hollow flange |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7458680A JPS571531A (en) | 1980-06-03 | 1980-06-03 | Production of hollow flange |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS571531A true JPS571531A (en) | 1982-01-06 |
| JPS6349578B2 JPS6349578B2 (en) | 1988-10-05 |
Family
ID=13551406
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP7458680A Granted JPS571531A (en) | 1980-06-03 | 1980-06-03 | Production of hollow flange |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS571531A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH02175037A (en) * | 1988-12-24 | 1990-07-06 | Royal:Kk | Manufacture of display use holder |
| JPH0795901A (en) * | 1993-07-12 | 1995-04-11 | Nova Sanitas As | Footwear for indoor use and making thereof |
| KR101145446B1 (en) | 2010-02-01 | 2012-05-15 | (주) 디에이치홀딩스 | Manufacturing method of tubular type brake pedal arm |
-
1980
- 1980-06-03 JP JP7458680A patent/JPS571531A/en active Granted
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH02175037A (en) * | 1988-12-24 | 1990-07-06 | Royal:Kk | Manufacture of display use holder |
| JPH0795901A (en) * | 1993-07-12 | 1995-04-11 | Nova Sanitas As | Footwear for indoor use and making thereof |
| KR101145446B1 (en) | 2010-02-01 | 2012-05-15 | (주) 디에이치홀딩스 | Manufacturing method of tubular type brake pedal arm |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS6349578B2 (en) | 1988-10-05 |
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