Forming process for metal rail blank
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Oct 7, 1986
Grant Date -
N/A
app pub date -
Mar 21, 1984
filing date -
Mar 21, 1983
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A process for forming a rail blank in a universal stand, starting with an initial section (1) of rectangular cross-section comprising a first series of passes for cutting into the web forming portion by way of horizontal rolls (2, 3) accompanied by reduction of the head by way of one of the vertical roll (5), and a second series of passes for simultaneously reducing the head flank forming portions by the horizontal rolls (2, 3) and the base forming portions by one of the vertical roll (4) of the universal stand, the other roll (5) remaining non-active.
First Claim
Family
International Classification(s)
Cited Art Landscape
Patent Citation Ranking
Advertisement
Advertisement
Advertisement
Recipient Email Address
Recipient Email Address
Comment
Recipient Email Address
Add to Portfolio(s)
To add this patent to one, or more, of your portfolios, simply click the add button.
This Patent is in these Portfolios:
Add to additional portfolios:
Last Refreshed On:
Changes done successfully