5results about "Expansible closures" patented technology

The application belongs to the technical field of liquor secondary storage, and specifically discloses a liquor secondary storage sealing device, which comprises a close-fitting assembly, the close-fitting assembly comprises a cover body, the cover body is used for covering a bottle mouth, an expansion bag is arranged in the cover body, an air inlet member is arranged on a top wall of the cover body, the air inlet member is in communication with the expansion bag, and an air feeding assembly is arranged; the air feeding assembly is used for feeding air into the expansion bag through the air inlet member, the expansion bag is inflated, the bottle mouth is tightly blocked, the sealing of the liquor bottle is realized, the escape of alcohol in the liquor into the air is prevented, the phenomenon of liquor running is avoided, and the rich aroma and complex flavor levels of the liquor are preserved.

The present disclosure relates to the field of bottle stopper devices, and in particular, to a quick opening and closing container stopper, which includes a fixed shell and a movable stopper body. The fixed shell is provided with a dodging opening. The movable stopper body is provided with a limiting plate. An elastic sealing sleeve abuts against and between the limiting plate and the fixed shell. A knob is rotatably connected to the movable stopper body. The knob includes a side lug. When the container stopper is in a locked state, the side lug extends beyond a contour range of the dodging opening, and the fixed shell and the limiting plate are close to each other and drive the elastic sealing sleeve to bulge outward. When the container stopper is in an unlocked state, the side lug is accommodated in the dodging opening.

A tube set seal assembly including: a body configured for insertion into an opening of a container, a plurality of passages extending through the body, and an inflatable annular seal provided on the body. Wherein the body comprises an inflation channel in communication with the seal for supply of gas to the seal to cause the seal to inflate.