Abstract: An inflatable seal apparatus for selectively sealing a garage door within an opening, the apparatus having a plurality of inflatable members arranged with a seal body configured for selectively sealing the garage door opening, each inflatable member having one or more of an inflatable member side wall and an inflatable member end wall and having an inflation valve operably installed within the inflatable member side wall or the inflatable member end wall so as to be accessible through the seal body.

Abstract: A barrier is installed within an elongate cavity in a structure. Spaced apart walls are installed within the cavity, and the cavity between the walls is filled with a sealant. The sealant is allowed to cure, following which the walls are removed.

Abstract: A tire-wheel assembly comprises a wheel coupled to a rotating shaft; an elastic tube disposed on an outer side of the wheel with respect to a radial direction, the interior of the tube being filled with air; a rigid protective ring disposed on an outer side of the tube with respect to the radial direction separated from the wheel; and a tread ring disposed on an outer side of the protective ring with respect to the radial direction, an inner circumferential surface of the tread ring contacting an outer circumferential surface of the protective ring.