FLANGE GASKET
A corrugated metal gasket for use between two flanges wherein the corrugated metal gasket is produced by a method comprising the steps of providing an annular gasket substrate and machining into that substrate a plurality of substantially uniform and generally concentric corrugations.
1 . A corrugated metal gasket for use between two flanges, said corrugated metal gasket being produced by a method comprising the following steps:
providing an annular gasket substrate; and
machining into said annular gasket substrate a plurality of substantially uniform and generally concentric corrugations.
2 . The corrugated metal gasket of claim 1 which further includes an outer guide ring.
3 . The corrugated metal gasket of claim 2 wherein said outer guide ring is integrated with said annular gasket substrate as a unitary corrugated metal gasket.
4 . The corrugated metal gasket of claim 3 wherein the pitch of said corrugations is selected from the group consisting of approximately 0.125 inches and approximately 0.250 inches.
5 . The corrugated metal gasket of claim 4 wherein an uncoated thickness of said corrugations is selected from the group consisting of approximately 0.093 inches, approximately 0.125 inches and approximately 0.250 inches.
6 . The corrugated metal gasket of claim 5 wherein said corrugations are coated with graphite.
7 . The corrugated metal gasket of claim 6 wherein an outside diameter of said corrugated metal gasket is approximately 6.88 inches.
8 . The corrugated metal gasket of claim 6 wherein an outside diameter of said corrugated metal gasket is approximately 6.12 inches.
9 . The corrugated metal gasket of claim 8 wherein an inside diameter of said corrugated metal gasket is approximately 4.87 inches.
10 . The corrugated metal gasket of claim 1 wherein the pitch of said corrugations is selected from the group consisting of approximately 0.125 inches and approximately 0.250 inches.
11 . The corrugated metal gasket of claim 1 wherein an uncoated thickness of said corrugations is selected from the group consisting of approximately 0.093 inches, approximately 0.125 inches and approximately 0.250 inches.
12 . The corrugated metal gasket of claim 1 wherein said corrugations are coated with graphite.
13 . The corrugated metal gasket of claim 1 wherein an outside diameter of said corrugated metal gasket is approximately 6.88 inches.
14 . The corrugated metal gasket of claim 1 wherein an outside diameter of said corrugated metal gasket is approximately 6.12 inches.
15 . The corrugated metal gasket of claim 1 wherein an inside diameter of said corrugated metal gasket is approximately 4.87 inches.
16 . The corrugated metal gasket of claim 2 wherein said outer guide ring is a separate component which is assembled into said annular gasket substrate.
17 . The corrugated metal gasket of claim 16 wherein said annular gasket substrate is constructed and arranged with an annular groove.
18 . The corrugated metal gasket of claim 17 wherein said outer guide ring is assembled into said annular gasket substrate.
19 . A corrugated metal gasket for use between two members for sealing, said corrugated metal gasket comprising:
an annular gasket substrate having a face surface and being constructed and arranged with machined corrugations in said face surface, said corrugations having a repeating sinusoidal shape.
20 . The corrugated metal gasket of claim 19 which further includes an outer guide ring which surrounds said annular gasket substrate.
21 . A corrugated metal gasket for use between two members for sealing, said corrugated metal gasket comprising:
an annular sealing core having a pair of opposing face surfaces and being constructed and arranged with machined corrugations in each face surface, said corrugations having a repeating sinusoidal shape.