Tamping tine for a tamping unit

Details Tamping tine for a tamping unit Tamping tine for a tamping unit

2005-08-09

2005-08-09

Jules, Frantz F. (Department: 3617)

Railways

Track layers

Tamper

C172S713000, C037S447000, C404S133050

Reexamination Certificate

active

06925940

ABSTRACT:
A tamping tine for tamping ballast underneath a railroad track has a tine shank and a tine pad attached to the shank. For increasing its abrasion resistance, the tine pad is formed with a pad casing of wear-resistant material. The pad casing is formed with an opening and it is filled with core material. The core material is suitable for welding to the tine shank and it is attached thereto by way of a welding seam.

REFERENCES:
patent: 1260603 (1918-03-01), Vaughan
patent: 4315464 (1982-02-01), Borden
patent: 4903609 (1990-02-01), Isakov et al.
patent: 4922828 (1990-05-01), Theurer et al.
patent: 4996925 (1991-03-01), Biermann
patent: 5261763 (1993-11-01), Crowell
patent: 5609533 (1997-03-01), Wheeler
patent: 2002/0051682 (2002-05-01), Gevik et al.
patent: 87/03316 (1987-06-01), None

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