A fitting for affixing to a mouth of a receiving container comprises a tubular body having a top end, a bottom end and a side wall extending between the top and bottom ends and having an inner surface and an outer surface. A partition is integrally formed on the inner surface between the top end and the bottom end. The partition divides the body into an open top region and an open bottom region. The inner surface of the open top region has a top threading and the inner surface of the open bottom region has a bottom threading. The partition further includes an aperture therein adapted to permit passage of a standard size, disposable straw therethrough from the open top region to the open bottom region.

The present invention relates to a multipurpose water bottle, which comprises: a water bottle main body having a reception space for receiving a liquid therein; and a cap coupled to an upper part of the water bottle main body to discharge the liquid to the outside, wherein the cap comprises: a main body coupling tube coupled to a cap coupling tube disposed at the upper part of the water bottle main body; a liquid discharge tube disposed at an upper part of the main body coupling tube to discharge the liquid to the outside; and an inner coupling tube disposed inside the main body coupling tube and coupled to a first discharge port of a first kind of water bottle, which is received in the reception space of the water bottle main body, to guide, to the liquid discharge tube, a first auxiliary liquid which has been received in the first kind of water bottle.

Some embodiments relate to a cap for controlling fluid flow from a bottle that includes an opening for dispensing the fluid. The cap includes a first section and a second section. The first section defines an orifice and a plurality of air channels. The opening of the bottle is in flow communication with the orifice and the plurality of air channels. The second section includes a first plurality of rings for securing the opening of the bottle, such that at least one of the air channels and the orifice creates an air-lock to secure the fluid within the bottle.

A beverage ingredient dispenser can include a seal assembly configured to form spillproof seals with the inner surface (I.D.) of a beverage container opening. Additionally, a beverage ingredient dispenser can include a beverage ingredient reservoir containing a beverage ingredient to be mixed with another ingredient for creating a mixed beverage. For example, the beverage ingredient dispenser can include a dried powdered, tablet, or liquid ingredient to be mixed with water contained in a water bottle. The dispenser can also include a sealing mechanism configured to generate spillproof seals with a plurality of different sizes of beverage containers. The dispenser can also include an anchoring mechanism configured to enhance an anchoring of the dispenser to a beverage container.

A screw cap for sealing containers with threaded necks includes an outer body, having a cylindrical outer wall closed at one end by a circular lid and an interior neck seal adjacent to the circular lid. A female thread extends around an inner surface of the cylindrical outer wall. The female thread has a main portion having substantially uniform thickness, and an attachment portion having a thickness which is less than the thickness of the main portion. The female thread is attached to the inner surface of the cylindrical outer wall in the region of the attachment portion, and the attachment portion is configured to permit deflection of the female thread.

In one embodiment of the invention, a versatile square lid includes: a lid body comprising a square configuration; and a plurality of square rings formed in the lid body; wherein the plurality of square rings includes a first square ring that is configured to receive a first square container having a first size and a second square ring that is configured to receive a second square container having a second size. In another embodiment of the invention, a versatile square lid includes: a square lid body comprising a center portion, a bendable lid portion, and an edge portion; wherein the bendable lid portion is between the center portion and the edge portion; and wherein the bendable lid portion is configured to bend in an upward direction and bend in a downward direction.

A universal bottle cap assembly includes a housing having a cavity therein, a cap insert, and a dispensing member. The housing defining an opening configured to provide access to the cavity therein. The cap insert extends between a first portion and a second portion, each of the first and second portions of the cap insert including a plurality of concentric sleeves configured to enclose a beverage container, wherein the cap insert is configured to be disposed within the cavity of the housing. The dispensing member extends through the cap insert and includes a hollow body configured to provide a free flow of materials therethrough.

A tail cap is disclosed having a body portion having a top side and a bottom side with the bottom side having a first plug portion and a second plug portion, a pull, and a central portion connected between the body portion and the pull.

In one embodiment of the invention, a versatile rectangle lid includes: a lid body comprising a rectangle configuration; and a plurality of rectangle rings formed in the lid body; wherein the plurality of rectangle rings includes a first rectangle ring that is configured to receive a first rectangle container having a first size and a second rectangle ring that is configured to receive a second rectangle container having a second size. In another embodiment of the invention, a versatile rectangle lid includes: a rectangle lid body comprising a center portion, a bendable lid portion, and an edge portion; wherein the bendable lid portion is between the center portion and the edge portion; and wherein the bendable lid portion is configured to bend in an upward direction and bend in a downward direction.

Disclosed is a connection device to be coupled with a container neck in different standards for use. The connection device is formed with a mouth part at the upper side and a screw thread part at the lower side. The mouth part at the upper portion of the connection device is formed in a screw thread or other shape in the standard corresponding to a bottle lid, and the inside of the screw thread part is formed with a screw thread corresponding to the standard of the container neck. The screw thread is integrally formed or an elastic screw thread is additionally added for the coupling with the necks of a plurality of containers.