hatch ring

"I'll have your pod at the station's hatch ring in eleven minutes."

Watford recoiled against the back of the hatch ring.

The Lady squeezed flat the flounces of her skirt and swung her legs within the hatch ring.

Pacino watched as the light vanished, the hatch clunking down on the steel of the hatch ring of the hull.

The BMP bounced nicely, and this time Murdock's head hit the front of the hatch ring.

He yanked them sideways and the slot in the hatch ring widened, releasing its grip on the circular ring of the airlock.

With all his remaining strength he moved up the ladder to the hatch and reached for the hatch ring, feeling the gusher of water in his face as he tried to reach to the hatch and pull it down.

On the bottom edge of the lower compartment a rubber gasket is embedded into a circular groove, so that when the chamber is brought into contact with a flat surface (the hatch ring) a water tight joint may be effected with the application of pressure.