(57) A door assembly comprises a frame (9) defining an aperture, a door (1) for closing
the aperture, and a sealing assembly (20) disposed along at least one and preferably
all the edges of the door (1) for sealing the door in the aperture. The sealing assembly
(20) comprises a generally hollow deformable sealing number (5) which is mounted in
a channel member (4) and extends therefrom in a direction parallel to the plane of
the door (1). The sealing member (5) is of pear-shaped cross-section and is capable
of a shearing movement as the door (1) is closed.
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