Sealing closure for asphalt mix storage bin outlet
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Feb 10, 1981
Grant Date -
N/A
app pub date -
Feb 5, 1979
filing date -
Feb 5, 1979
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
An asphalt mix storage bin outlet is surrounded by a rim member having a flat bottom surface in which there is an annular groove that extends around the outlet. An outlet closure comprises a plate-like edgewise slidable gate member mounted on rollers that ride on parallel rails at opposite sides of the outlet. The rails have long, straight portions along which the gate member rides to and from its open position with its top surface spaced below the bottom surface of the rim member, but as the gate member nears its closed position it rides up onto wedge-like portions of the rails that cam it towards snug engagement of its top surface with the bottom surface of the rim member. For an airtight seal with the gate member closed, grease is forced into the groove in the rim member, to be distributed around the outlet by the groove and thence forced into any space between the opposing surfaces of the rim member and gate member.
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