Corrugated metal pipe
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Nov 5, 2013
Grant Date -
Feb 9, 2012
app pub date -
Aug 3, 2010
filing date -
Aug 3, 2010
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A metal pipe of single piece includes a wall formed of a single corrugated metal sheet. The sheet has opposing first and second edges extending longitudinally along the sheet. The wall includes a seam formed by abutting portions of the first and second edges. The seam extends helically about and along a length of the wall. The wall has an interior wall side and an opposing exterior wall side. The metal sheet has an interior wall side and an opposing exterior wall side. The interior wall side defines an inner wall surface of the wall, and the exterior wall side defines an outer wall surface of the wall. The sheet has a sinusoidal cross-sectional profile defining 5 corrugation peaks at the inner wall surface and 5 corrugation peaks at the outer wall surface. The sheet has a flattened sheet width of approximately 27¼ inches and a finished sheet width of approximately 23 inches.
First Claim
Family
International Classification(s)
Cited Art Landscape
Patent Citation Ranking
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