Reinforcement cord with radiation contrast

Patent metadata

Field	Value
Publication number	US-2016361950-A1
Application number	US-201415114204-A
Country	US
Kind code	A1
Filing date	Feb 13, 2014
Priority date	Feb 13, 2014
Publication date	Dec 15, 2016
Grant date	—

Abstract

A reinforcement cord which comprises a first fiber ( 302 ) having a first radiation attenuation coefficient. The reinforcement cord also comprises a contrast agent applied to the first fiber. The contrast agent has a second radiation attenuation coefficient that is different (e.g., greater) than that of the first radiation attenuation coefficient. In some embodiments, the reinforcement cord is incorporated into a composite product, such as a tire. In some embodiments, the contrast agent improves and/or enhances the discernibility of the reinforcement cord in a composite product during a radiation examination, such as a computed tomography (CT) scan. A method of manufacturing the reinforcement cord is also disclosed.

First claim

What is claimed is:

1 . A tire comprising:
a matrix; and a reinforcement cord in the matrix, the reinforcement cord comprising:
a first fiber having a first radiation attenuation coefficient; and
a contrast agent applied to the first fiber, the contrast agent having a second radiation attenuation coefficient different than that of the first radiation attenuation coefficient.

2 . The tire of claim 1 , the matrix comprising:
at least one of a plastic, a rubber or a polymer.

3 . The tire of claim 1 , the contrast agent comprising:
at least one of iodine, barium, bismuth, gadolinium, gold or thorium.

4 . The tire of claim 1 , the contrast agent comprising:
an element with an atomic number of 53 or greater.

5 . The tire of claim 1 , the first fiber comprising:
at least one of polyester, cotton, rayon, nylon, polyamide, metal, or glass.

6 . The tire of claim 1 , comprising:
a second fiber twisted around the first fiber.

7 . The tire of claim 1 , the second radiation attenuation coefficient greater than the first radiation attenuation coefficient.

8 . The tire of claim 1 , wherein the reinforcement cord has a diameter of about 0.1 to about 2 mm

9 . A reinforcement cord comprising:
a first fiber having a first radiation attenuation coefficient; and a contrast agent applied to the first fiber, the contrast agent having a second radiation attenuation coefficient different than that of the first radiation attenuation coefficient.

10 . The reinforcement cord of claim 9 , the contrast agent comprising:
at least one of iodine, barium, bismuth, gadolinium, gold, or thorium.

11 . The reinforcement cord of claim 9 , the contrast agent comprising:
an element with an atomic number of 53 or greater.

12 . The reinforcement cord of claim 9 , the first fiber comprising:
at least one of polyester, cotton, rayon, nylon, polyamide, metal, or glass.

13 . The reinforcement cord of claim 9 , comprising:
a second fiber twisted around the first fiber.

14 . The reinforcement cord of claim 9 , the second radiation attenuation coefficient greater than the first radiation attenuation coefficient.

15 . The reinforcement cord of claim 9 , having a diameter of about 0.1 to about 2 mm.

16 . The reinforcement cord of claim 9 , wherein the reinforcement cord is part of a composite product.

17 . A method of manufacturing a reinforcement cord comprising:
providing a first fiber having a first radiation attenuation coefficient; and applying a contrast agent to the first fiber, the contrast agent having a second radiation attenuation coefficient different than that of the first radiation attenuation coefficient.

18 . The method of claim 17 , wherein the applying comprises coating the first fiber with the contrast agent.

19 . The method of claim 17 , wherein the applying comprises providing for absorption of the contrast agent by the first fiber.

20 . The method of claim 17 , wherein the applying comprises doping the first fiber with the contrast agent.

Assignees

• Analogic Corp

Inventors

• Shaughnessy Charles H
• Zanin Eric

Classifications

• B60C9/0028

  Reinforcements comprising mineral fibres, e.g. glass or carbon fibres · CPC title

• B60C9/0042

  Reinforcements made of synthetic materials · CPC title

• G01N23/046

  using tomography, e.g. computed tomography [CT] · CPC title

• B60C9/005 Primary

  Reinforcements made of different materials, e.g. hybrid or composite cords · CPC title

• B60C2009/0071

  characterised by special physical properties of the reinforcements · CPC title