Patent ID: 9556734
Date: 2017-01-31
CPC Classifications: E21D

Claim:
1. A tunnel segment cross gasket comprising: a gasket body including a bottom face configured to be positioned against a surface of an associated tunnel segment, a top face located opposite the bottom face and including a tapered portion and a sealing portion, the sealing portion being adapted for sealing against an adjacent surface, a left face extending between the bottom face and the top face, and a right face extending between the bottom face and the top face; wherein the gasket includes a plurality of spaced grooves opening to the bottom face; wherein a plurality of bores extend through the gasket body, at least two of the plurality of bores having different cross-sectional shapes or sizes, and at least one of the plurality of bores being located entirely between the tapered portion of the top face and the bottom face; and wherein the top face includes a portion thereof that is oriented parallel with the bottom face when the gasket is in an uncompressed state, and a portion thereof that is angled with respect to the bottom face when the gasket is in the uncompressed state such that the left face is larger than the right face.