JPS5670909A - Bending method for channel type synthetic resin bar material containing metal foil - Google Patents
Bending method for channel type synthetic resin bar material containing metal foilInfo
- Publication number
- JPS5670909A JPS5670909A JP14720079A JP14720079A JPS5670909A JP S5670909 A JPS5670909 A JP S5670909A JP 14720079 A JP14720079 A JP 14720079A JP 14720079 A JP14720079 A JP 14720079A JP S5670909 A JPS5670909 A JP S5670909A
- Authority
- JP
- Japan
- Prior art keywords
- synthetic resin
- bar material
- channel
- channel type
- metal foil
- 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 enable molding without producing shrinkage and cracks at the inside, by a method wherein, after a temporary bending process is performed by means of a pressing device in a state such that a buffer material is placed on the channel inside and an outside surface of a channel type synthetic resin bar material, the resulting work is matched with a desired channel mold for heat-pressurizing.
CONSTITUTION: When a channel type bar material 1, whose metal foil A is covered with a clear or a semiclear synthetic resin P, is bent into a given angel, a gummous baffer material 2 is placed on the inside and outside surfaces 12 and 13 of a channel 11 of the bar material 1, and with this a temporary bending process is conducted at a pressing surface 31, formed in an arc of a circle, of a pressing device 3. The temporarily bent bar material 1 matched with a channel mold 4 having a desired curve is pressurized at a softening temperature of the synthetic resin, and afterwards, the bar is cured by cooling.
COPYRIGHT: (C)1981,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP54147200A JPS5856331B2 (en) | 1979-11-13 | 1979-11-13 | Method for pending channel-shaped synthetic resin bar containing metal foil |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP54147200A JPS5856331B2 (en) | 1979-11-13 | 1979-11-13 | Method for pending channel-shaped synthetic resin bar containing metal foil |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS5670909A true JPS5670909A (en) | 1981-06-13 |
JPS5856331B2 JPS5856331B2 (en) | 1983-12-14 |
Family
ID=15424813
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP54147200A Expired JPS5856331B2 (en) | 1979-11-13 | 1979-11-13 | Method for pending channel-shaped synthetic resin bar containing metal foil |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5856331B2 (en) |
-
1979
- 1979-11-13 JP JP54147200A patent/JPS5856331B2/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
JPS5856331B2 (en) | 1983-12-14 |
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