Patent · US Active

Longitudinal sleeper and damping railway system thereof

US8727229B2 · kind B2 · utility

1Cited by

6References

17Claims

0Family size

Assignee

Qingdao Nianxin Environment Tech Co., Ltd. · CN

Inventors

Lin Qi · Hunan, CN
Jing Zeng · Shanghai, CN

Key dates

Filing date	Jan 25, 2011
Grant date	May 20, 2014
Priority date	—
Expiry date	Jan 25, 2031

Classification

Technology area (CPC E)Fixed Constructions
CPC primaryE01B19/003
WIPO fieldCivil engineering
WIPO sectorOther fields

Abstract

A longitudinal sleeper and a damping railway system thereof are provided. The longitudinal sleeper comprises a pair of longitudinal prestressed concrete beams (1) respectively arranged under rails along a longitudinal direction of the rails, and concrete connection boards (2) transversely connected between the pair of the longitudinal prestressed concrete beams (1).

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