Railway car superstructure frame
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Jul 6, 1982
Grant Date -
N/A
app pub date -
Apr 11, 1980
filing date -
Apr 11, 1980
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A welded structural frame for a railway car wall is disclosed as including a pair of aligned U-section vertical members welded to opposite sides of a U-section longitudinal member and a reinforcing insert welded between the sides of the longitudinal member in alignment with the vertical members to provide a frame substantially free of welding distortion. A method of making such a frame is also disclosed as including securing longitudinal and vertical members in a fixture, welding the vertical members to opposite sides of the longitudinal member and then welding a reinforcing insert between the sides of the longitudinal member in alignment with the vertical members.
First Claim
Other Claims data not available
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International Classification(s)
Cited Art Landscape
Patent Citation Ranking
- 18 Citation Count
- B23P Class
- 0 % this patent is cited more than
- 43 Age