Conductors having polymer insulation on irregular surface
US-2015047874-A1 · Feb 19, 2015 · US
Coaxial cable with protruding portions of insulating foam
US9449741B2 · US · B2
| Field | Value |
|---|---|
| Publication number | US-9449741-B2 |
| Application number | US-201414305265-A |
| Country | US |
| Kind code | B2 |
| Filing date | Jun 16, 2014 |
| Priority date | Jun 17, 2013 |
| Publication date | Sep 20, 2016 |
| Grant date | Sep 20, 2016 |
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- Title
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- Abstract
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Abstract
Official abstract text for this publication.
A coaxial cable includes a center conductor, an insulating foam provided to cover an outer periphery of the center conductor, and a protruding portion provided around an outer surface of the insulating foam to absorb stress. The protruding portion has a waved shape that oscillates in a circumferential direction of the insulating foam.
First claim
Opening claim text (preview).
What is claimed is: 1. A coaxial cable, comprising: a center conductor; an insulating foam provided to cover an outer periphery of the center conductor; and a protruding portion provided around an outer surface of the insulating foam configured to absorb stress, wherein the protruding portion comprises a waved shape that oscillates in a circumferential direction of the insulating foam, wherein the protruding portion is provided in a longitudinal direction of the insulating foam, and includes periodic bends in the circumferential direction of the insulating foam. 2. The coaxial cable according to claim 1 , wherein the protruding portion comprises a helical shape in a central axis direction of the insulating foam. 3. The coaxial cable according to claim 1 , wherein the protruding portion comprises two or more protruding portions and a distance between adjacent protruding portions is not smaller than 1.5 mm and not greater than 10.75 mm. 4. The coaxial cable according to claim 1 , further comprising: an outer conductor provided around an outer periphery of the insulating foam to cover the outer periphery of the insulating foam, wherein the protruding portion comprises a shape in which a contact area with the outer conductor is smaller than a contact area in an entire surface contact at a cross section in a direction perpendicular to a longitudinal direction of the insulating foam. 5. A coaxial cable, comprising: a center conductor; an insulating foam provided to cover an outer periphery of the center conductor; and a protruding portion provided around an outer surface of the insulating foam configured to absorb stress, wherein the protruding portion comprises a waved shape that oscillates in a circumferential direction of the insulating foam, wherein a bend pitch of the protruding portion is not smaller than 10 mm and not greater than 20 mm. 6. The coaxial cable according to claim 1 , wherein a height of the protruding portion is not smaller than 0.1 mm and not greater than 0.5 mm, and a width of the protruding portion is not smaller than 1.0 mm and not greater than 10 mm.
Assignees
Inventors
Classifications
Special measures in order to improve the flexibility · CPC title
of cellular structure · CPC title
- H01B11/1856Primary
Discontinuous insulation · CPC title
- H01B11/1834Primary
Construction of the insulation between the conductors · CPC title
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Frequently asked questions
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- What does patent US9449741B2 cover?
- A coaxial cable includes a center conductor, an insulating foam provided to cover an outer periphery of the center conductor, and a protruding portion provided around an outer surface of the insulating foam to absorb stress. The protruding portion has a waved shape that oscillates in a circumferential direction of the insulating foam.
- Who is the assignee on this patent?
- Hitachi Metals Ltd
- What technology area does this patent fall under?
- Primary CPC classification H01B11/1856. Mapped technology areas include Electricity.
- When was this patent published?
- Publication date Tue Sep 20 2016 00:00:00 GMT+0000 (Coordinated Universal Time) (B2). Legal status and post-grant events are not shown on this page.
- What related patents are in patentsdb?
- We list 1 related publication on this page (citations in our corpus or others sharing the same primary CPC).