Poly-V pulley formed of sheet metal and method and apparatus for making same
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Oct 6, 1987
Issued Date -
N/A
app pub date -
Mar 7, 1986
filing date -
Mar 7, 1984
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A poly-V pulley formed from a cup-shaped sheet metal blank by axially compressing the cylindrical portion while confined in dies to form a thickened cylindrical portion, with radially pressurized dies to prevent buckling or corrugating, and roll forming the thickened portion into the external poly-V grooves and the opposite internal surface with axially extending grooves of a convex and concave shape for maintaining the accuracy of shape and size of the poly-V grooves.
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