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NTIS 바로가기국가/구분 | United States(US) Patent 등록 |
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국제특허분류(IPC7판) |
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출원번호 | US-0061311 (1993-05-13) |
우선권정보 | FR-0006303 (1992-05-22) |
발명자 / 주소 |
|
출원인 / 주소 |
|
인용정보 | 피인용 횟수 : 8 인용 특허 : 0 |
The method relates to the laying of rails in a trench into which concrete is subsequently poured in order to fasten the rails. The method consists in laying adjustable-length ties (4) on the bottom of the trench (3), in roughly positioning the rails (14, 15) by means of block-supports, in fastening
A method for constructing a railroad, according in which rails are positioned in a trench into which concrete is subsequently poured in order to fasten the rails, wherein: ties are made having means for adjusting their length, these ties are laid down on the bottom of the trench in a position corres
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