JPS5561430A - Manufacturing method for tubular object - Google Patents
Manufacturing method for tubular objectInfo
- Publication number
- JPS5561430A JPS5561430A JP13390678A JP13390678A JPS5561430A JP S5561430 A JPS5561430 A JP S5561430A JP 13390678 A JP13390678 A JP 13390678A JP 13390678 A JP13390678 A JP 13390678A JP S5561430 A JPS5561430 A JP S5561430A
- Authority
- JP
- Japan
- Prior art keywords
- sheet
- mold
- resin
- wound
- grooves
- 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
- Moulding By Coating Moulds (AREA)
- Shaping Of Tube Ends By Bending Or Straightening (AREA)
Abstract
PURPOSE: To enable the efficient production of a tubular object having grooves, letters, etc. in its surface, by winding around a core a prepreg sheet, wherein a fibre textile or a fibre-paralleled sheet being impregnated with resin , securing a mold on a circumferential surface, and by solidifying the resin.
CONSTITUTION: A prepreg sheet 1, which is produced in such a manner as causes resin to be soaked in fibre textile, such as glass, carbon, and organic fibres, is wound around a core 2 to form a sheet-wound object 3. A mold 4 having a projection 4A at the inside cutting into the object 3 is laid on the circumference of the object 3. The mold and the sheet-wound object 3 are firmly tightened together by a tape 5, the projection 4A of the mold 4, thus, cutting into the sheet-wound object 3. The object 3 is then hardened according to a hardening condition of the resin used for the prepreg sheet 1, the mold 4 being removed after unwinding the tape 5. The surface is then ground to the extent that the molded groove 3A formed in the outer circumference can remain, and as a result, unnecessary uneven grooves 3B is cleared away. The tubular object having molded grooves in the desired surface of the outer circumference can thus be produced.
COPYRIGHT: (C)1980,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP13390678A JPS5561430A (en) | 1978-10-31 | 1978-10-31 | Manufacturing method for tubular object |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP13390678A JPS5561430A (en) | 1978-10-31 | 1978-10-31 | Manufacturing method for tubular object |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS5561430A true JPS5561430A (en) | 1980-05-09 |
Family
ID=15115856
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP13390678A Pending JPS5561430A (en) | 1978-10-31 | 1978-10-31 | Manufacturing method for tubular object |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5561430A (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4770832A (en) * | 1984-07-27 | 1988-09-13 | Mitsui Kensetsu Kabushiki Kaisha | Process for manufacturing of structural reinforcing material |
US5114653A (en) * | 1985-11-07 | 1992-05-19 | Akzo N.V. | Processes of manufacturing prestressed concrete |
-
1978
- 1978-10-31 JP JP13390678A patent/JPS5561430A/en active Pending
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4770832A (en) * | 1984-07-27 | 1988-09-13 | Mitsui Kensetsu Kabushiki Kaisha | Process for manufacturing of structural reinforcing material |
US5114653A (en) * | 1985-11-07 | 1992-05-19 | Akzo N.V. | Processes of manufacturing prestressed concrete |
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