Labor-saving paint mixing cover comprises a paint outlet mechanism used to control outflow of a paint material, two or more pressing mechanisms pressing together a paint container and a cover. Each of the pressing mechanisms comprises: a through hole on the cover; a pressing rod passing through the through hole; a sealing sleeve sleeved over the pressing rod, and comprising a sealing sleeve folded edge pressing on the cover; a compression spring sleeved over the pressing rod between the sealing sleeve folded edge of the sealing sleeve and a handle at the upper end of the pressing rod; and a pressing foot located at the lower end of the pressing rod. The handle at the upper end of the pressing rod is a cam lifting handle comprising the upper end of the pressing rod and a cam hinged thereto. A cam surface of the cam lifting handle is in contact with an upper surface of a cam base. The cam base is a movable sleeve sleeved around the pressing rod. A movable sleeve folded edge is provided on the movable sleeve. An upper end of the compression spring presses against said folded edge of the movable sleeve.

A closure assembly for filling a container under isolated conditions. The closure assembly includes a collar with internal threads for coupling with a finish of the container. A disc includes first coupling members for removably coupling with the collar. A liner is secured to the disc. The liner is seated on the finish of the container when the collar is coupled to the finish.

A markable bottle cap is characterized by a cap configured for use with a variety of bottles, jars, or containers wherein the upper surface of the cap is configured to receive at least one marking by a user. In some embodiments, the upper surface may provide for a scratch-off layer, a rough texture layer, or a magic slate layer. To use the present invention, a user may, in any order, threadedly attach the cap to a container such as a bottle or jar, apply at least one marking to the upper surface, and then identify the user's beverage as needed.

A container provided with a sealing lid comprises a jar (11), a lid (12) for closing the jar, a rubber sealing ring (13), adapted to be interposed between an upper edge (17) of the jar (11) and a lower flange (18) of the lid (12), and a wire-shaped hooking element (14) of the lid (12) to the jar (11) for closing the container. The jar (11) is provided, in the proximity of its upper edge (17), with a collar (21) radially projecting from the jar side surface (22) so as to define below a circumferential step-like seat (23). The wire-shaped hooking element (14) is shaped with a pair of pivoting ends (20) rotatably received inside respective holes (19) in the lid (12) and with at least one curvilinear locking portion (24), in an intermediate position with respect to said pivoting ends (20).

A closure includes a polymeric top wall portion, a polymeric liner, a polymeric disc and a polymeric annular skirt portion. The polymeric disc is located between the polymeric top wall portion and the polymeric liner. The polymeric annular skirt portion depends from the polymeric top wall portion. The annular skirt portion includes: (1) an internal thread formation for mating engagement with an external thread formation of a container; and (2) an internal prying projection to assist in removing the closure from the container. At least a portion of the internal prying projection is located nearer the polymeric top wall portion than the internal thread formation.

A cover for sealing and unsealing a container. The cover has a first surface adapted to be removably adhered to the container to seal an interior of the container. The cover also has a second surface opposite the first surface. The first and second surfaces define a thickness between the first and second surfaces. The first and second surfaces further define an aperture extending through the first and second surfaces. The cover further has a first tab protruding from the second surface. The first tab is configured to move from a first position sealing the aperture to a second position unsealing the aperture. The aperture permits fluid communication between the interior and an external environment. The cover additionally has a second tab spaced from the first tab. The second tab is adapted to be grasped by a user to remove the cover from the container.

A canning system for a jar is described. The system includes a plunger configured to translate through a neck of the jar. A seal is in communication with the plunger and configured to flex its shape so as to conform to the size of the jar as it passes through the neck. The seal extending beyond the periphery of the plunger. A rod is configured to engage the plunger and selectively locate the position of the plunger within the jar. An optional cap may be used to assist in locating the plunger in the jar prior to sealing the jar with a lid.

A closure for a glass container arranged to contain flowable content, the container defining a first extremely flat annular surface, the closure comprising a sealing disc made of hard material adapted to sit across the annular surface, the disc defining a second extremely flat surface, retaining means to urge the first and second extremely flat surfaces into parallel abutting contact and to prevent lateral movement of the disc relative to the first surface, the extremely flat surfaces adapted to form a surface tension seal when they are urged into parallel abutting contact wherein a wetting agent is provided between the extremely flat surfaces at the abutting contact of the surfaces.

A metal closure (1) comprising a panel (10) and a depending side wall (14) terminating in a cut edge (15), the inner surface of the closure having a plurality of coating layers applied (21-27) such that at least one of the coating layers extends to the cut edge and the coating thickness at and in proximity to the cut edge is less than the thickness at one or more other regions of the inner surface.

A closure for mounting on top of bottles and other containers includes a floating lid and a lid-retainer ring. The closure is configured to withstand a high pressure and high temperature sterilization process known as retort.