IT1185445B - Sound absorbing structure - Google Patents
Sound absorbing structureInfo
- Publication number
- IT1185445B IT1185445B IT22503/85A IT2250385A IT1185445B IT 1185445 B IT1185445 B IT 1185445B IT 22503/85 A IT22503/85 A IT 22503/85A IT 2250385 A IT2250385 A IT 2250385A IT 1185445 B IT1185445 B IT 1185445B
- Authority
- IT
- Italy
- Prior art keywords
- sectional area
- cross
- single wires
- wires
- circular
- Prior art date
Links
- 238000010438 heat treatment Methods 0.000 abstract 3
- 235000019892 Stellar Nutrition 0.000 abstract 1
Landscapes
- Resistance Heating (AREA)
Abstract
The radiant heater has a heating element composed of heating wire, which is laid on an insulating support dish and which forms a current-carrying cross-sectional area and a heat-radiating surface. The current-carrying cross-sectional area is divided between at least two single wires which are twisted together. The single wires have the same or different circular diameter. The single wires have a cross-sectional area which deviates from the circular form. The cross-sectional area is stellar or oval in shape. One or more single wires have a circular diamter and one or more single wires have a cross-sectional area which deviates from the circular form. The heating element is laid uncoiled and spirally on the insulating support. The wires are pre-oxidised.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
IT22503/85A IT1185445B (en) | 1985-10-16 | 1985-10-16 | Sound absorbing structure |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
IT22503/85A IT1185445B (en) | 1985-10-16 | 1985-10-16 | Sound absorbing structure |
Publications (2)
Publication Number | Publication Date |
---|---|
IT8522503A0 IT8522503A0 (en) | 1985-10-16 |
IT1185445B true IT1185445B (en) | 1987-11-12 |
Family
ID=11197150
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
IT22503/85A IT1185445B (en) | 1985-10-16 | 1985-10-16 | Sound absorbing structure |
Country Status (1)
Country | Link |
---|---|
IT (1) | IT1185445B (en) |
-
1985
- 1985-10-16 IT IT22503/85A patent/IT1185445B/en active
Also Published As
Publication number | Publication date |
---|---|
IT8522503A0 (en) | 1985-10-16 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
TA | Fee payment date (situation as of event date), data collected since 19931001 |
Effective date: 19950331 |