Patent ID: 11970852
Assignee: nan
Field: Civil engineering (Other fields)
Classification: CPC E | IPC E

Claim 11:
12. An inflatable barrier comprising:
an outer sleeve comprising a main sleeve; and
two or more inflatable inner chambers, not permanently attached to the main sleeve;
wherein:
at least two of the two or more inflatable inner chambers include an air inlet/outlet;
the outer sleeve further comprises holes in the main sleeve for at least two air inlet/outlets, wherein locations of the holes in the main sleeve correspond to locations of the at least two air inlet/outlets;
the inflatable barrier is generally in a shape that allows separating air in a first section of space in a building from air in a second section of space in the building and that allows providing containment of the air in the first section of space;
the first section of space and the second section of space are outside the inflatable barrier; and
the inflatable barrier is configured to keep the air in the first section of space at a different pressure than the air in the second section of space.