Patent · US Active

Lap joint

US8113441B2 · kind B2 · utility

5Cited by
9References
27Claims
0Family size

Assignee

Inventors

Key dates

Filing dateSep 12, 2007
Grant dateFeb 14, 2012
Priority date
Expiry dateJul 17, 2029

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10T29/49995
  • WIPO fieldCivil engineering
  • WIPO sectorOther fields

Abstract

A lap joint assembly that includes two spaced apart mating railroad end sections that are double bent and machine tapered and trimmed to conform in spatial alignment with one another, an electrical insulating material positioned between the two machined mating rail sections and at least one fastener attaching the machined railroad rail sections to one another.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.