Claims
- 1. A peripheral elastic sealing gasket for use in mounting a discharge gate to the adapter frame of a railroad hopper car, said gasket having a peripheral base formed of a relatively rigid elastic sealing material and adapted to be positioned between and in substantial surface contact with a discharge gate mounting flange and a hopper car adapter frame, at least one sealing element on each side of said base and integral therewith, extending outwardly beyond the base, and being formed of an elastic sealing material substantially less rigid than said base, a recess for each sealing element whereby each sealing element will distort into its associated recess during use so that said base can be in substantial surface contact with said mounting flange and adapter frame.
- 2. The sealing gasket of claim 1 further characterized in that each sealing element is arcuate in cross section.
- 3. The sealing gasket of claim 2 further characterized in that said sealing elements are aligned on opposite sides of said base.
- 4. The sealing gasket of claim 1 including a pair of spaced sealing elements on each side of said base.
- 5. The sealing gasket of claim 4 further characterized in that said sealing elements on each side of said base are in alignment and spaced equal distances from edges of said sealing gasket.
- 6. The sealing gasket of claim 1 further characterized in that each sealing element is in the form of an outwardly-extending arm.
- 7. The sealing gasket of claim 6 further characterized in that the sealing element arms, on each side of said base, extend in the same direction.
- 8. The sealing gasket of claim 6 further characterized by a pair of sealing elements on each side of said base, each of said sealing elements being in the form of an outwardly-extending arm.
- 9. The sealing gasket of claim 8 further characterized in that said outwardly-extending arms, on each side of said base, extend in the same direction.
- 10. The sealing gasket of claim 8 further characterized in that the sealing element arms, on each side of said base, extend toward one another.
- 11. The sealing gasket of claim 1 further characterized in that said peripheral base has width equal to the mounting surface of the adapter frame.
- 12. The sealing gasket of claim 1 further characterized in that each sealing element is in the form of a hollow extension.
- 13. The sealing gasket of claim 12 further characterized in that said hollow extension has a curved outer surface.
- 14. The sealing gasket of claim 12 further characterized in that said hollow extension has a triangular outer surface.
- 15. The sealing gasket of claim 12 further characterized in that said hollow extension has a generally trapezoidal outer surface.
- 16. The sealing gasket of claim 12 further characterized in that said hollow extension has a generally rectangular outer surface.
- 17. The sealing gasket of claim 1 further characterized in that each sealing element includes a pair of spaced outwardly-extending solid projections.
- 18. The sealing gasket of claim 1 further characterized in that said peripheral base has an exterior peripheral portion and an interior peripheral portion, the interior peripheral portion having, at least in part, a thickness greater than that of the exterior peripheral portion.
- 19. The sealing gasket of claim 18 further characterized in that said base interior peripheral portion gradually increases in thickness toward the inside of said peripheral base.
- 20. The sealing gasket of claim 1 further characterized in that said peripheral base has a width generally equal to the mounting surface of the adapter frame, with that portion of the sealing gasket in contact with the mounting flange having a curved surface corresponding to the inner curved surface of the mounting flange.
SUMMARY OF THE INVENTION
This is a continuation-in-part of application Ser. No. 208,597, filed June 20, 1988.
US Referenced Citations (11)
Continuation in Parts (1)
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Number |
Date |
Country |
Parent |
208597 |
Jun 1988 |
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