EMBEDDED PLUG AND ITS EMBEDDING METHOD

PROBLEM TO BE SOLVED: To provide an embedded plug which can be easily and accurately inserted into an embedding hole provided in a sleeper or a concrete slab. SOLUTION: This embedded plug comprises a cylindrical body 2, and annular member 3 which are mounted at the outside upper and outside lower en...

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Bibliographische Detailangaben
Hauptverfasser:	IRIE TAKAAKI, KONISHI MASANARI, KITO AKITO, MORIKAWA YOSHIO, HANAZAKI TETSUYA, SEKI MASAKI, FUNADA TOMOMI
Format:	Patent
Sprache:	eng
Schlagworte:	CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES FIXED CONSTRUCTIONS MACHINES FOR MAKING RAILWAYS OF ALL KINDS PERMANENT WAY PERMANENT-WAY TOOLS
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Beschreibung
Zusammenfassung:	PROBLEM TO BE SOLVED: To provide an embedded plug which can be easily and accurately inserted into an embedding hole provided in a sleeper or a concrete slab. SOLUTION: This embedded plug comprises a cylindrical body 2, and annular member 3 which are mounted at the outside upper and outside lower ends of the cylindrical body 2, respectively. A female screw 4 is formed in the inside surface of the cylindrical body 2; a lower end surface of the cylindrical body 2 is closed; and a plurality of protrusions of the same shape are formed at circumferentially regular intervals on the outside surface of the annular member 3. COPYRIGHT: (C)2008,JPO&INPIT