Sealing arrangements
AssigneeFlexitallic Investments, Inc.
InventorsGeorge Deluca, Brian Hasha, Jamal Jamlyaria, John Hoyes, Stephen Peter Bond
Life of this patent
Estimating the term…
Abstract
A spirally wound strip (300) is thicker in the middle and is curved on both sides. Short flats (306) are formed at each side by surfaces that converge towards each other. Soft sealant material (316) extends over the flats (306).
Claims30
1-27. (canceled)
A gasket for sealing opposed faces, the gasket comprising a strip comprising:
- (a) first and second opposed sides;
- (b) an upper surface connecting the first and second opposed sides;
- (c) a lower surface connecting the first and second opposed sides and spaced apart from the upper surface;
- (d) a middle region comprising a portion of the strip bounded by the upper and lower surfaces, a first side region and a second side region, the first and second side regions each comprising a portion of the strip bounded by the upper and lower surfaces, the middle region, and an opposed side of the strip, so that the middle region is located between the first and second side regions;
- and
- (e) a thickness defined by a distance between the upper and lower surfaces, wherein the thickness is greater in the middle region than it is in the side regions;
- wherein the strip is arranged as a spiral comprising a plurality of windings;
- and
- wherein the upper surface faces outwardly with respect to the spiral and the lower surface faces inwardly with respect to the spiral.
A gasket for sealing opposed faces, the gasket comprising a strip comprising:
- (a) first and second opposed sides;
- (b) an upper surface connecting the first and second opposed sides, wherein the upper surface comprises an upper curve;
- (c) a lower surface connecting the first and second opposed sides and spaced apart from the upper surface, wherein the lower surface comprises
- (i) a lower curve,
- (ii) a first straight region adjacent to and between the lower curve and the first opposed side, and
- (iii) a second straight region adjacent to and between the second end of the lower curve and the second opposed side;
- wherein the strip is arranged as a spiral comprising a plurality of windings;
- and
- wherein the upper surface faces outwardly with respect to the spiral and the lower surface faces inwardly with respect to the spiral.
A method of effecting a seal between two opposed faces comprising placing the gasket of claim 1 between the two opposed faces.
A method of forming a seal arrangement comprising placing a gasket of claim 1 between two opposed faces, and securing the gasket between the two opposed faces.
Dependencies are inferred from the claim text.