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Patent
D678474
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Priority
Mar 04 2011
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Filed
Mar 04 2011
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Issued
Mar 19 2013
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Expiry
Mar 19 2027
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Assg.orig
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Entity
unknown
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4
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23
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n/a
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The ornamental design for the arcuate disc for butterfly valve, as shown and described.
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FIG. 1 is an isometric view of the arcuate disc for butterfly valve of this invention;
FIG. 2 is a top plan view;
FIG. 3 is a bottom view;
FIG. 4 is a right side view;
FIG. 5 is a left side view;
FIG. 6 is a left side view of the disc turned 19°;
FIG. 7 is a right side view of the disc turned 19°; and,
FIG. 8 is a sectional view taken along the line 8-8 of FIG. 2.
Sisk, David E.
Patent |
Priority |
Assignee |
Title |
1131371, |
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3290001, |
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3677297, |
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3680833, |
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3960177, |
Mar 12 1975 |
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Low torque and low noise butterfly valve disc |
4335738, |
Jun 19 1979 |
|
Butterfly valve |
4469305, |
Oct 22 1981 |
|
Low torque butterfly valve disc |
4786031, |
Nov 13 1987 |
Phillips Petroleum Company; PHILLIPS PETROLEUM COMPANY, A CORP OF DE |
Fiber reinforced thermoplastic butterfly valve element |
5125624, |
Jan 08 1991 |
Keystone International Holdings Corp. |
Apparatus for a disc-stem connection |
6722137, |
Aug 17 2001 |
General Electric Co. |
Methods and apparatus for regulating turbine clearance control system airflow |
7895989, |
Mar 15 2006 |
Aisan Kogyo Kabushiki Kaisha |
Butterfly-type throttle valve |
965322, |
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D637695, |
Mar 31 2009 |
Kubota Corporation |
Valving element for butterfly valve |
D645119, |
Mar 02 2011 |
Kubota Corporation |
Valving element for butterfly valve |
D650470, |
Mar 31 2009 |
Kubota Corporation |
Valving element for butterfly valve |
D653728, |
Mar 27 2006 |
Borgwarner Inc. |
Valve disk |
Date |
Maintenance Fee Events |
n/a
Date |
Maintenance Schedule |
n/a