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US 12,674,457 B2Granted
Sealing gasket with one or more positioning protrusions
AssigneeEdwards Limited
InventorsRobin Hockley, Alan Ernest Kinnaird Holbrook, Jan Kolenyak
Life of this patent
Estimating the term…
Abstract
A sealing gasket (20) for a vacuum pump, the sealing gasket (20) comprising: a first surface (30, 40); a second surface (32, 42) opposite to the first surface (30, 40); opposing side walls (34, 36; 44, 46) disposed between the first surface (30, 40) and the second surface (32, 42); and one or more protrusions (48a, 48b, 48c, 48d) extending from the first surface.
Claims14
A sealing gasket for a vacuum pump, the sealing gasket comprising:
- a first surface;
- a second surface opposite to the first surface;
- opposing side walls disposed between the first and second surfaces;
- a first sealing member defining a first closed shape;
- a second sealing member defining a second closed shape;
- a first longitudinal sealing member connected between a first facing axially inner face of the first sealing member and a second facing axially inner face of the second sealing member;
- and
- a second longitudinal sealing member connected between the first facing axially inner face of the first sealing member and the second facing axially inner face of the second sealing member, wherein
- the sealing gasket is a moulded, deformable, one-piece gasket,
- the first sealing member, the second sealing member, the first longitudinal sealing member, and the second longitudinal sealing member have a square or rectangular cross section, and
- one or more protrusions extend radially outwards from the first sealing member from the first surface that defines a radially outer wall of the first sealing member.
8 more elements
Dependencies are inferred from the claim text.