An engaging structure for a container and its cover has a containing body and a corresponding covering member. The upper opening of the containing body has an outer lip edge, the opposing positions of the outer lip edge is provided with at least two the engaging portions. The outer edge of the engaging portion has with a movable buckle, the outer periphery of the covering member is provided with a covering lip covering the outer lip edge of the containing body, and the opposing positions of the periphery of the covering lip has at least two the locking portions corresponding to the engaging portion of the containing body. A locking protrusion is disposed on the locking portion, locking portion of the covering member is corresponding to each engaging portion of the containing body. By flipping the movable buckle, each the engaging curve can be fastened tightly to each locking protrusions.

A lid for a container assembly is disclosed. The lid is configured for locking engagement with the container such that accidental or unintentional removal of the lid from the container is resisted. The lid includes an outer skirt that overlies the outer surface of the container about an upper rim. The outer skirt includes a plurality of lid locking members that are disposed at spaced apart intervals about the outer periphery of the skirt and extend inwardly, relative to the outer skirt, for engaging an outwardly extending container lip. Disposition of the lid on the container is with effect that the plurality of lid locking members deflect outwardly as the lid is displaced downwardly over the container lip, the lid locking members returning to their inwardly disposed position once clear of the lip. The inward disposition of the lid locking members effects a robust engagement between the container and lid.

A seal box with a good sealing effect and easy to open comprises a box body and a sealing cover, wherein the box body is formed with an opening, a sealing mechanism is disposed between the opening of the box body and the sealing cover, the sealing cover is detachably mounted at the opening of the box body, and the sealing mechanism is in a locked and sealed state; and a quick opening mechanism is further disposed between the box body and the sealing cover. By means of the quick opening mechanism, users can easily and quickly operate the operating end of an opening element to force the parts, between the area where the opening end is located of the sealing cover and the opening of the box body, of the sealing mechanism to be separated.

A container lid and base assembly includes lid and base stacking features, as well as base chamfers that align with vents provided in the lid. When a plurality of the container assemblies is stacked, the lid and base stacking features nest with each other, while the chamfers align with corresponding vents in the stacked assemblies so that none of the vents is blocked by a next-higher container assembly. The stacking features can be centrally located, and the vents can be peripherally located. A plurality of the container assemblies can have differing sizes and/or shapes, while including mutually compatible stacking features, thereby enabling container assemblies of differing sizes to be stacked without blocking any of the vents thereof. The vents can be holes or “C” vents. The lid and/or base can be manufacturable by thermoforming. The lid and base can be separate, or joined by a hinge.

A lid for a bucket comprises a center portion and at least one side portion. In some embodiments, the side portion is removably coupled to the center portion. In some embodiments, the side portion is hingedly connected to the center portion and includes at least one cutout suitable for receiving a bail mount of the bucket. The hinged connection between the center portion and the side portion may be on an axis substantially perpendicular to an axis on which plural bail mounts of the bucket lie.

Containers for storing food in a storage compartment may include a base portion of the container. The storage compartment is sealed with a film to get the food stored in the storage compartment fresh. The container further includes a reversible lid that is able to attach to the base portion of the container in two different configurations. In a first configuration the reversible lid attaches to the base portion without affecting the seal created by the film. In a second configuration the reversible lid attaches to the base portion when the lid is inverted and the film is removed from the base portion.

An apparatus having a body portion and a tab coupled to the body portion via a hinge, wherein the tab comprises a first side edge and a second side edge, and further wherein the tab has a closed position covering an opening in the body and an open position where the opening is uncovered, wherein in the first condition the tab has a first width, and when the tab is in a second condition, the tab has been widened to a second width greater than the first width, and the tab has an outer radial edge that extends towards, but short of, the outer portion of the apparatus, and wherein a flat surface is positioned around the opening, and when the tab is in the second condition the side edges of the widened tab extend over the flat surface when the tab is in the closed position.

Disclosed is a vapor-tight container comprising a container body having a first extension formed to extend outwards along a rim of a sidewall thereof and a locking protrusion bent downwards from an end of the first extension, and a container lid configured to cover an upper portion of the container body so that the inside of the container body is sealed.

A paper-plastic molded cup cover capable of completely fastening to a cup body, which is an integrally molded cup cover formed by utilizing a paper-plastic molding technique. The inner side of the cup cover is provided with a C-shaped ring accommodating recess, and protruding arc walls respectively project from two ends of the C-shaped ring accommodating recess. By means of the C-shaped ring accommodating recess and the protruding arc walls at the two ends of the C-shaped ring accommodating recess, the upper edge of the cup body may be completely fastened and sealed, and therefore, the effect of complete fastening and sealing is achieved.

A base assembly for a ball display case includes a base configured to support the display case on a surface. A pedestal is supported by the base and configured to support the ball in the display case. The pedestal includes a platform for seating the ball in the display case. The platform includes a spring configured to yield when contacted by the ball in the display case.