JPS558380A - Frame member bending device - Google Patents
Frame member bending deviceInfo
- Publication number
- JPS558380A JPS558380A JP8231078A JP8231078A JPS558380A JP S558380 A JPS558380 A JP S558380A JP 8231078 A JP8231078 A JP 8231078A JP 8231078 A JP8231078 A JP 8231078A JP S558380 A JPS558380 A JP S558380A
- Authority
- JP
- Japan
- Prior art keywords
- frame member
- bent
- bending
- heated
- boundary
- 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.)
- Pending
Links
Landscapes
- Bending Of Plates, Rods, And Pipes (AREA)
Abstract
PURPOSE: To bend the frame member without spoiling the appearance, by turning one of the two clamp mechanisms to clamp both ends of bending part of a frame member in the bending direction while gradually approaching to the bend starting point of the frame member.
CONSTITUTION: When bending a frame member b formed by extrusion of plastic and a similar frame member 8, first the part to be bent is heated and softened, and the heated part is positioned between clamp mechanisms 1, 2, and the both sides thereof are clamped on receiving parts 3, 4 by means of holding parts 5, 6. When the mechanism 2 on the movable side is driven, the frame member 8 begins to be bent along a guide plane 7 from the boundary A. When approaching the machanism 2 gradually towards the boundary A while turning it, compressive force is applied to the heated part of the frame member 8, so that the frame member 8 may be bent roughly at a right angle. Therefore, there is no risk of whitening or crack. Also, by properly adjusting the diameter of the base circle of the involute curve drawn by the mechanism 2, crease may be prevented.
COPYRIGHT: (C)1980,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP8231078A JPS558380A (en) | 1978-07-06 | 1978-07-06 | Frame member bending device |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP8231078A JPS558380A (en) | 1978-07-06 | 1978-07-06 | Frame member bending device |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS558380A true JPS558380A (en) | 1980-01-21 |
Family
ID=13770978
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP8231078A Pending JPS558380A (en) | 1978-07-06 | 1978-07-06 | Frame member bending device |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS558380A (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR100875543B1 (en) * | 2007-02-12 | 2008-12-26 | 첨단하이테크 주식회사 | Frame bending device |
CN106623517A (en) * | 2017-02-22 | 2017-05-10 | 苏州国质信网络通讯有限公司 | Hollow aluminum bar bending forming pneumatic device |
-
1978
- 1978-07-06 JP JP8231078A patent/JPS558380A/en active Pending
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR100875543B1 (en) * | 2007-02-12 | 2008-12-26 | 첨단하이테크 주식회사 | Frame bending device |
CN106623517A (en) * | 2017-02-22 | 2017-05-10 | 苏州国质信网络通讯有限公司 | Hollow aluminum bar bending forming pneumatic device |
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