IP Library Granted Patent US 7,097,112
Granted Patent B2
US 7,097,112 · App. 10/838,173 · Granted Aug 29, 2006

Profiled bar

View Patent ↗
Loading inventors, assignments & file history…
Monitor This Case
Get email alerts when status or documents change.
Order Certified Copies
Most orders are placed with the USPTO same day — all within 24 business hours.
Order via The Patent Place →
Pre-filled with this patent's details
Quick Facts
Patent No.
US 7,097,112
App. No.
10/838,173
Granted
Aug 29, 2006
Kind
B2
Abstract

A rail joint made from a metallic profiled bar that is rolled or forged and is used for connecting adjacent railroad rails to each other. The rail joint is configured to provide increased wheel flange clearance while maintaining the integrity of joining two rails together.

Claims (46)

1. A rail joint comprising:

a body having a length defined between a first end and a second end and defining a base section having a base front side and base back side, a web section having a web front side and a web back side, and a head section having a head front side and a head back side, said base section depends from said web section, and said web section depends from said head section,

wherein a distance between said head front side and said head back side of said head section is greater than or equal to a distance between said base front side and said base back side of said base section, and wherein the Moment of Inertia (I) of the rail joint is in a range of 14 to 15 in 4 and the weight of the rail joint is in a range of 1.5 to 1.65 pounds per inch of length of said rail joint.

2. The rail joint as claimed in claim 1 , wherein said head section having an upper surface defines an abutting portion, an intermediate portion and a lug portion, said abutting portion depends from said intermediate portion and said intermediate portion depends from said lug portion, wherein said lug portion extends away from said web front side of said web section and said abutting portion extends in an opposite direction from said lug portion away from said web back side of said web section.

3. The rail joint as claimed in claim 2 , wherein said abutting portion defines a curved portion and a straight portion.

4. The rail joint as claimed in claim 1 , wherein said base section defines a heel portion, a blended portion, and a toe portion, said heel portion depends from said blended portion, and said blended portion depends from said toe portion, wherein said toe portion extends away from said web front side of said web section and said heel portion extends in an opposite direction from said toe portion away from said web back side of said web section.

5. The rail joint as claimed in claim 2 , wherein said base section defines a heel portion, a blended portion, and a toe portion, said heel portion depends from said blended portion, and said blended portion depends from said toe portion, wherein said toe portion extends away from said web front side of said web section and said heel portion extends in an opposite direction from said toe portion away from said web back side of said web section.

6. The rail joint as claimed in claim 5 , wherein said lug portion extends from said web front side of said web section a distance approximately equal to a distance said toe portion extends from said web front side of said web section.

7. The rail joint as claimed in claim 5 , wherein a front recess area is defined between said lug portion of said head section and said toe portion of said base section, and a back recess area is defined between said abutting portion of said head section and said heel portion of said base section.

8. The rail joint as claimed in claim 2 , wherein a recess is defined between said abutting portion and said lug portion on the upper surface of said head section, and wherein a distance between the upper surface of said abutting portion and said lug portion of said head section is sufficient to provide clearance of a wheel of a railcar riding on a rail so as to prevent contact of the wheel on said lug portion of said head section.

9. The rail joint as claimed in claim 8 , wherein the distance between the upper surface of said abutting portion and said lug portion of said head section is in a range of 0.6 to 0.8 inches.

10. The rail joint as claimed in claim 1 , wherein a plurality of holes for receiving fasteners are defined in said web section of said body of the rail joint.

11. The rail joint as claimed in claim 1 , wherein a top Section Modulus and a bottom Section Modulus of the rail joint are in a range of 5.3 to 5.7 in 3 and having a cross-sectional area in a range of 5.6 to 5.7 in 2 .

12. The rail joint as claimed in claim 1 , wherein a thickness of said lug portion of said head section of said body of the rail joint is in a range of 0.35 to 0.50 inches.

13. The rail joint as claimed in claim 1 , wherein the rail joint is made of a unitary piece of forged or rolled metal.

14. The rail joint as claimed in claim 13 , wherein the rail joint is made of steel.

15. The rail joint as claimed in claim 1 , wherein the length defined between said first end and said second end of said body of the rail joint is at least 36 inches.

16. A rail joint assembly comprising:

a pair of abutting railroad rails having a first side and a second side, each of said railroad rails having a body and defining a head, a web and a base, the head having a top surface connected to the base via the web, the web defines a plurality of slots for receiving fasteners; and

a pair of rail joints, wherein a first rail joint is attached to said first side of said pair of rail sections and a second rail joint is attached to said second side of said pair of rail sections, each rail joint comprising a body having a length defined between a first end and a second end and defining a base section having a base front side and base back side, a web section having a web front side and a web back side, and a head section having a head front side and a head back side, said base section depends from said web section, and said web section depends from said head section, said web section of said body defining a plurality of holes, said head section having an upper surface defines an abutting portion, an intermediate portion and a lug portion,

wherein a distance between said head front side and said head back side of said head section is greater than or equal to a distance between said base front side and said base back side of said base section, and wherein the Moment of Inertia (I) of the rail joint is in a range of 14 to 15 in 4 and the weight of the rail joint is in a range of 1.5 to 1.65 pounds per inch of length of said rail joint.

17. The rail joint assembly as claimed in claim 16 , further comprising a plurality of fasteners for securing said rail joints to said railroad rails via a fastener passing through each hole in said first rail joint and said second rail joint and each slot in said railroad rails.

18. The rail joint assembly as claimed in claim 16 , wherein the distance between the top surface of the head of the railroad rail and the upper surface of said lug portion of said head section of said body of each of said rail joints is at least 2.0 inches.

19. A rail joint comprising:

a body having a length defined between a first end and a second end and defining a base section having a base front side and base back side, a web section having a web front side and a web back side, and a head section having a head front side and a head back side, said base section depends from said web section, and said web section depends from said head section,

wherein a distance between said head front side and said head back side of said head section is greater than or equal to a distance between said base front side and said base back side of said base section, and wherein the Moment of Inertia (I) of the rail joint is in a range of 10 to 11 in 4 and the weight of the rail joint is in a range of 1.4 to 1.5 pounds per inch of length of said rail joint.

20. The rail joint as claimed in claim 19 , wherein said head section having an upper surface defines an abutting portion, an intermediate portion and a lug portion, said abutting portion depends from said intermediate portion and said intermediate portion depends from said lug portion, wherein said lug portion extends away from said web front side of said web section and said abutting portion extends in an opposite direction from said lug portion away from said web back side of said web section.

21. The rail joint as claimed in claim 20 , wherein said abutting portion defines a curved portion and a straight portion.

22. The rail joint as claimed in claim 19 , wherein said base section defines a heel portion, a blended portion, and a toe portion, said heel portion depends from said blended portion, and said blended portion depends from said toe portion, wherein said toe portion extends away from said web front side of said web section and said heel portion extends in an opposite direction from said toe portion away from said web back side of said web section.

23. The rail joint as claimed in claim 20 , wherein said base section defines a heel portion, a blended portion, and a toe portion, said heel portion depends from said blended portion, and said blended portion depends from said toe portion, wherein said toe portion extends away from said web front side of said web section and said heel portion extends in an opposite direction from said toe portion away from said web back side of said web section.

24. The rail joint as claimed in claim 23 , wherein said lug portion extends from said web front side of said web section a distance approximately equal to a distance said toe portion extends from said web front side of said web section.

25. The rail joint as claimed in claim 23 , wherein a front recess area is defined between said lug portion of said head section and said toe portion of said base section, and a back recess area is defined between said abutting portion of said head section and said heel portion of said base section.

26. The rail joint as claimed in claim 20 , wherein a recess is defined between said abutting portion and said lug portion on the upper surface of said head section, and wherein a distance between the upper surface of said abutting portion and said lug portion of said head section is sufficient to provide clearance of a wheel of a railcar riding on a rail so as to prevent contact of the wheel on said lug portion of said head section.

27. The rail joint as claimed in claim 26 , wherein the distance between the upper surface of said abutting portion and said lug portion of said head section is in a range of 0.55 to 0.7 inches.

28. The rail joint as claimed in claim 19 , wherein a plurality of holes for receiving fasteners are defined in said web section of said body of the rail joint.

29. The rail joint as claimed in claim 19 , wherein a top Section Modulus and a bottom Section Modulus of the rail joint is in a range of 4.3 to 4.5 in 3 and having a cross-sectional area in a range of 5.0 to 5.2 in 2 .

30. The rail joint as claimed in claim 19 , wherein a thickness of said lug portion of said head section of said body of the rail joint is in a range of 0.35 to 0.45 inches.

31. The rail joint as claimed in claim 19 , wherein the rail joint is made of a unitary piece of forged or rolled metal.

32. The rail joint as claimed in claim 31 , wherein the rail joint is made of steel.

33. The rail joint as claimed in claim 19 , wherein the length defined between said first end and said second end of said body of the rail joint is at least 36 inches.

34. A rail joint assembly comprising:

a pair of abutting railroad rails having a first side and a second side, each of said railroad rails having a body and defining a head, a web and a base, the head having a top surface connected to the base via the web, the web defines a plurality of slots for receiving fasteners; and

a pair of rail joints, wherein a first rail joint is attached to said first side of said pair of rail sections and a second rail joint is attached to said second side of said pair of rail sections, each rail joint comprising a body having a length defined between a first end and a second end and defining a base section having a base front side and base back side, a web section having a web front side and a web back side, and a head section having a head front side and a head back side, said base section depends from said web section, and said web section depends from said head section, said web section of said body defining a plurality of holes, said head section having an upper surface defines an abutting portion, an intermediate portion and a lug portion,

wherein a distance between said head front side and said head back side of said head section is greater than or equal to a distance between said base front side and said base back side of said base section, and wherein the Moment of Inertia (I) of the rail joint is in a range of 10 to 11 in 4 and the weight of the rail joint is in a range of 1.4 to 1.5 pounds per inch of length of said rail joint.

35. The rail joint assembly as claimed in claim 34 , further comprising a plurality of fasteners for securing said rail joints to said railroad rails via a fastener passing through each hole in said first rail joint and said second rail joint and each slot in said railroad rails.

36. The rail joint assembly as claimed in claim 34 , wherein the distance between the top surface of the head of the railroad rail and the upper surface of said lug portion of said head section of said body of each of said rail joints is at least 2.0 inches.

Assignments (9)
RELEASE (REEL 033591 / FRAME 0020) Recorded Jun 28, 2022
From: WELLS FARGO BANK, NATIONAL ASSOCIATION
To: KOPPERS DELAWARE, INC. (F/K/A KOPPERS INDUSTRIES OF DELAWARE, INC.); KOPPERS PERFORMANCE CHEMICALS INC. (F/K/A OSMOSE, INC.); KOPPERS INC. (F/K/A KOPPERS INDUSTRIES, INC); KOPPERS PERFORMANCE CHEMICALS NEW ZEALAND LIMITED (F/K/A OSMOSE NEW ZEALAND); OSMOSE UTILITIES SERVICES, INC.
Reel/Frame 060448/0192 →
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 →
PATENT, TRADEMARK AND COPYRIGHT SECURITY AGREEMENT Recorded Aug 22, 2014
From: KOPPERS INC.; KOPPERS HOLDINGS INC.; KOPPERS DELAWARE, INC.; KOPPERS ASIA LLC; KOPPERS CONCRETE PRODUCTS, INC.; CONCRETE PARTNERS, INC.; KOPPERS WORLD-WIDE VENTURES CORPORATION; KOPPERS VENTURES LLC
To: WELLS FARGO BANK, NATIONAL ASSOCIATION
Reel/Frame 033591/0020 →
TERMINATION AND RELEASE OF SECURITY INTEREST IN PATENTS AND TRADEMARKS Recorded Aug 21, 2014
From: PNC BANK, NATIONAL ASSOCIATION
To: KOPPERS INC.; KOPPERS HOLDINGS INC.; KOPPERS WORLD-WIDE VENTURES CORPORATION; KOPPERS DELAWARE, INC.; KOPPERS ASIA LLC; KOPPERS CONCRETE PRODUCTS, INC.; CONCRETE PARTNERS, INC.; KOPPERS VENTURES LLC
Reel/Frame 033586/0956 →
AMENDED AND RESTATED PATENT, TRADEMARK AND COPYRIGHT SECURITY AGREEMENT Recorded Mar 28, 2013
From: KOPPERS INC.; KOPPERS HOLDINGS INC.; KOPPERS WORLD-WIDE VENTURES CORPORATION; KOPPERS DELAWARE, INC.; KOPPERS ASIA LLC; KOPPERS CONCRETE PRODUCTS, INC.; CONCRETE PARTNERS, INC.; KOPPERS VENTURES LLC
To: PNC BANK, NATIONAL ASSOCIATION
Reel/Frame 030107/0283 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded May 26, 2011
From: PORTEC RAIL PRODUCTS, INC.
To: KOPPERS DELAWARE, INC.
Reel/Frame 026341/0051 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Dec 21, 2004
From: URMSON, JR., WILLIAM T.; MOSPAN, JOHN W.; BOARIO, PATRICK J.; COPLEY, JR., ALEY; DOWNEY, JOHN M.
To: PORTEC RAIL PRODUCTS, INC.
Reel/Frame 015476/0945 →