IT1182175B - High voltage resistant insulators for supporting power lines - Google Patents
High voltage resistant insulators for supporting power linesInfo
- Publication number
- IT1182175B IT1182175B IT47639/85A IT4763985A IT1182175B IT 1182175 B IT1182175 B IT 1182175B IT 47639/85 A IT47639/85 A IT 47639/85A IT 4763985 A IT4763985 A IT 4763985A IT 1182175 B IT1182175 B IT 1182175B
- Authority
- IT
- Italy
- Prior art keywords
- sheath
- core
- high voltage
- temp
- voltage resistant
- Prior art date
Links
Landscapes
- Insulators (AREA)
Abstract
High voltage resistant integrated member is made by extruding a sheath (2) of ethylene-propylene-diene copolymer, ethylene-propylene copolymer, or butyl rubber elastomer onto a core (1) at a temp. below its vulcanisation temp. At least one fully vulcanised elastomeric shed (5) of the same or similar elastomer as the sheath is mounted on it then the assembly is heated to vulcanise the sheath and bond it to the core and the shed. Mounting of the sheds is facilitated by expanding them at room temp. then cooling them while maintaining the expansion, the sheds shrinking tightly onto the sheath covering core on warming. Pref. at least one metal fitting is mounted on the core and sealably secured prior to vulcanisation of the sheath so that fitting is bonded to it.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
IT47639/85A IT1182175B (en) | 1985-02-04 | 1985-02-04 | High voltage resistant insulators for supporting power lines |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
IT47639/85A IT1182175B (en) | 1985-02-04 | 1985-02-04 | High voltage resistant insulators for supporting power lines |
Publications (3)
Publication Number | Publication Date |
---|---|
IT8547639A0 IT8547639A0 (en) | 1985-02-04 |
IT8547639A1 IT8547639A1 (en) | 1986-08-04 |
IT1182175B true IT1182175B (en) | 1987-09-30 |
Family
ID=11261599
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
IT47639/85A IT1182175B (en) | 1985-02-04 | 1985-02-04 | High voltage resistant insulators for supporting power lines |
Country Status (1)
Country | Link |
---|---|
IT (1) | IT1182175B (en) |
-
1985
- 1985-02-04 IT IT47639/85A patent/IT1182175B/en active
Also Published As
Publication number | Publication date |
---|---|
IT8547639A0 (en) | 1985-02-04 |
IT8547639A1 (en) | 1986-08-04 |
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Legal Events
Date | Code | Title | Description |
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TA | Fee payment date (situation as of event date), data collected since 19931001 |
Effective date: 19960116 |