초록 ▼

A closure for a chamber having an interior which can contain a fluid under pressure provides apparatus for latching the door of the chamber in its closed position and locking it in that position when the positive pressure within the chamber reaches a predetermined level. The closure includes a door

A closure for a chamber having an interior which can contain a fluid under pressure provides apparatus for latching the door of the chamber in its closed position and locking it in that position when the positive pressure within the chamber reaches a predetermined level. The closure includes a door that is moved by positive pressure within the chamber and, through appropriate mechanisms, activates locking apparatus that prevents the door from leaving its closed position as long as such pressure is present within the chamber.

대표청구항 ▼

A sealable closure for an opening in a chamber comprising: a door adapted to move between a closed position and an open position with respect to said opening in said chamber; a sealing device disposed between said door and the perimeter of said opening, said sealing device being operable to effect a

A sealable closure for an opening in a chamber comprising: a door adapted to move between a closed position and an open position with respect to said opening in said chamber; a sealing device disposed between said door and the perimeter of said opening, said sealing device being operable to effect a seal therebetween when said door is in its closed position without the need for applying a mechanically-compressive force to said seal; means disposed on said chamber and said door for cooperating to prevent said door from leaving its closed position after having been moved thereto; and means operatively connected between said door and said cooperating means for rendering inoperative said cooperating means during any period that a positive pressure of a predetermined minimum value exists within said chamber.