IP Library Granted Patent US 9,328,464
Granted Patent B2
US 9,328,464 · App. 14/025,370 · Granted May 3, 2016

Single bend rail

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Quick Facts
Patent No.
US 9,328,464
App. No.
14/025,370
Granted
May 3, 2016
Kind
B2
Abstract

A railroad rail includes a body defining a first section and a tapered second section with the body defining a head section, a web section depending from the head section, and a base section depending from the web section. The head section, the web section, and the base section define an end surface configured to mate with a corresponding end surface of a complementary railroad rail when joined together. The railroad rail is formed from a single bent railroad rail having only a single bend defined by the head section, web section, and base section of the body of the railroad rail.

Claims (34)

1. A railroad rail comprising:

a body formed from a standard tee railroad rail, the body defining a first section and a tapered second section, the body defining a head section, a web section depending from the head section, and a base section depending from the web section, the head section, the web section, and the base section defining an end surface configured to mate with a corresponding end surface of a complementary railroad rail when joined together, wherein the railroad rail is formed from a single bent railroad rail having only a single bend defined by the head section, web section, and base section of the body of the railroad rail, and wherein the web section of the body at the tapered second section has a thickness that is about constant.

2. The railroad rail of claim 1 , wherein the web section of the body at the tapered second section has a thickness that varies less than 5%.

3. A railroad rail comprising:

a body defining a first section and a tapered second section, the body defining a head section, a web section depending from the head section, and a base section depending from the web section, the head section, the web section, and the base section defining an end surface configured to mate with a corresponding end surface of a complementary railroad rail when joined together, wherein the railroad rail is formed from a single bent railroad rail having only a single bend defined by the head section, web section, and base section of the body of the railroad rail, wherein the body defines a first recessed portion that extends downward from a top surface of the head section of the body toward the base section, the first recessed portion ends at an end of the tapered second section that is remote from the first section.

4. The railroad rail of claim 3 , wherein the body defines a second recessed portion that extends downward from the top surface of the head section of the body toward the base section, the second recessed portion is positioned at the first section of the body.

5. A railroad rail comprising:

a body defining a first section and a tapered second section, the body defining a head section, a web section depending from the head section, and a base section depending from the web section, the head section, the web section, and the base section defining an end surface configured to mate with a corresponding end surface of a complementary railroad rail when joined together, wherein the railroad rail is formed from a single bent railroad rail having only a single bend defined by the head section, web section, and base section of the body of the railroad rail, and wherein the body defines a recessed portion that extends downward from a top surface of the head section of the body toward the base section, the recessed portion is positioned at the first section of the body.

6. The railroad rail of claim 5 , wherein the recessed portion ends at a position adjacent to the tapered second section.

7. A rail joint assembly comprising:

first and second rails, each having a body defining a first section and a tapered second section, the body defining a head section, a web section depending from the head section, and a base section depending from the web section, the head section, the web section, and the base section of each rail defining an end surface, the end surface of the first rail configured to mate with the end surface of the second rail when joined together, wherein the first and second rails are formed from a single bent railroad rail having only a single bend defined by the head section, web section, and base section of the single bent railroad rail; and

at least two joint bars configured to be secured to the first and second rails by a plurality of fasteners, wherein the web section of the body of each of the first and second rails has a thickness that is about constant at the tapered second section.

8. The rail joint assembly of claim 7 , wherein the at least two joint bars comprise only two bonded joint bars.

9. The rail joint assembly of claim 8 , wherein the end surfaces of the first and second rails overlap in a transverse direction when joined together.

10. The rail joint assembly of claim 9 , wherein the end surfaces of the first and second rails overlap for a length of about 15 inches.

11. The rail joint assembly of claim 7 , wherein the at least two joint bars comprise two bonded joint bars and two standard joint bars.

12. The rail joint assembly of claim 11 , wherein the end surfaces of the first and second rails overlap in a transverse direction when joined together.

13. The rail joint assembly of claim 12 , wherein the end surfaces of the first and second rails overlap for a length of about 30 inches.

14. The rail joint assembly of claim 7 , wherein the first and second rails comprise a standard tee rail.

15. The rail joint assembly of claim 7 , wherein the at least two joint bars comprise two bonded joint bars.

16. A rail joint assembly comprising:

first and second rails, each having a body defining a first section and a tapered second section, the body defining a head section, a web section depending from the head section, and a base section depending from the web section, the head section, the web section, and the base section of each rail defusing an end surface, the end surface of the first rail configured to mate with the end surface of the second rail when joined together, wherein the first and second rails are formed from a single bent railroad rail having only a single bend defined by the head section, web section, and base section of the single bent railroad rail; and

at least two joint bars configured to be secured to the first and second rails by a plurality of fasteners, wherein the body of each of the first and second rails defines a first recessed portion that extends downward from a top surface of the head section of the body toward the base section, the first recessed portion ends at an end of the tapered second section that is remote from the first section.

17. The railroad rail of claim 16 , wherein the body of each of the first and second rails defines a second recessed portion that extends downward from the top surface of the head section of the body toward the base section, the second recessed portion is positioned at the first section of the body.

18. A rail joint assembly comprising:

first and second rails, each having a body defining a first section and a tapered second section, the body defining a head section, a web section depending from the head section, and a base section depending from the web section, the head section, the web section, and the base section of each rail defining an end surface, the end surface of the first rail configured to mate with the end surface of the second rail when joined together, wherein the first and second rails are formed from a single bent railroad rail having only a single bend defined by the head section, web section, and base section of the single bent railroad rail; and

at least two joint bars configured to be secured to the first and second rails by a plurality of fasteners, wherein the body of each of the first and second rails defines a recessed portion that extends downward from a top surface of the head section of the body toward the base section, the recessed portion is positioned at the first section of the body.

19. The railroad rail of claim 18 , wherein the recessed portion ends at a position adjacent to the tapered second section.

20. A method for manufacturing a railroad rail end section for use in an insulating rail joint assembly, the method comprising:

providing a railroad rail having a body and defining a head section, a web section depending from the head section, and a base section depending from the web section;

bending the head section, web section, and base section of the railroad rail, wherein the head section, web section, and base section of the railroad rail is only bent at a single point; and

machining the railroad rail thereby forming a first section and a tapered second section, wherein a predetermined portion of the base section, the web section and the head section of the second section is removed to define an end surface that is configured to mate with a corresponding end surface of a complementary railroad rail when joined together.

21. The method of claim 20 , further comprising trimming the machined railroad rail, wherein a portion of a top surface of the head section of the first section tapers downward toward the base section and, wherein a portion of a top surface of the head section of the second section tapers downward toward the base section ending at the second end of the second section.

22. The method of claim 20 , wherein the railroad rail comprises a standard tee railroad rail.

Assignments (4)
RELEASE OF PATENT SECURITY INTERESTS Recorded Jun 20, 2022
From: PNC BANK, NATIONAL ASSOCIATION
To: KOPPERS DELAWARE, INC.; KOPPERS PERFORMANCE CHEMICALS INC. (F/K/A OSMOSE, INC.); KOPPERS UTILITY AND INDUSTRIAL PRODUCTS INC. (F/K/A COX INDUSTRIES, INC.); KOPPERS INC. (F/K/A KOPPERS INDUSTRIES, INC.)
Reel/Frame 060390/0207 →
SECURITY AGREEMENT Recorded Jun 20, 2022
From: KOPPERS DELAWARE, INC.; KOPPERS PERFORMANCE CHEMICALS INC.
To: PNC BANK, NATIONAL ASSOCIATION, AS COLLATERAL AGENT
Reel/Frame 060390/0246 →
PATENT, TRADEMARK AND COPYRIGHT SECURITY AGREEMENT Recorded Sep 20, 2017
From: KOPPERS, INC.; KOPPERS HOLDINGS INC.; KOPPERS DELAWARE, INC.; KOPPERS ASIA LLC; KOPPERS CONCRETE PRODUCTS, INC.; CONCRETE PARTNERS, INC.; KOPPERS PERFORMANCE CHEMICALS, INC.; KOPPERS RAILROAD STRUCTURES INC.; KOPPERS WORLD-WIDE VENTURES CORPORATION; KOPPERS VENTURES INC.; KOPPERS-NEVADA LIMITED-LIABILITY COMPANY; KOPPERS NZ LLC; WOOD PROTECTION MANAGEMENT LLC; WOOD PROTECTION LP
To: PNC BANK, NATIONAL ASSOCIATION
Reel/Frame 043920/0523 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Nov 25, 2013
From: URMSON, W. THOMAS, JR; MOSPAN, JOHN W.
To: KOPPERS DELAWARE, INC.
Reel/Frame 031671/0441 →