Crown caps comprising jag-like or tooth-like shaped ends, wherein one or a plurality of cavities is formed between an outer container surface and the shaped ends, and wherein in the region of the shaped ends a deformable sealing material is provided which closes the cavities at least to the extent of the edge of the crown cap that points to the base of the container, with the sealing material forming a ring-like or hoop-like element separate from the crown cap and which interacts with the crown cap in such a way that when the shaped ends are deformed for the container closure they press or sink into the sealing material.

A crown cap and closing device. The abstract of the disclosure is submitted herewith as required by 37 C.F.R. 1.72(b). As stated in 37 C.F.R. 1.72(b): A brief abstract of the technical disclosure in the specification must commence on a separate sheet, preferably following the claims, under the heading Abstract of the Disclosure. The purpose of the abstract is to enable the Patent and Trademark Office and the public generally to determine quickly from a cursory inspection the nature and gist of the technical disclosure. The abstract shall not be used for interpreting the scope of the claims. Therefore, any statements made relating to the abstract are not intended to limit the claims in any manner and should not be interpreted as limiting the claims in any manner.

Gas canisters are provided that include an elongate body comprising a barrel region defining a first diameter, an enclosed first end, and a neck region extending from the barrel region to an open second end defining an end wall, the elongate body defining a central axis extending between the first end and the second end; a cap attached to the neck region to close the second end of the elongate body and enclose the cavity, the cap comprising an end wall including an opening therethrough communicating with the cavity, and a seat surrounding the opening on an interior of the end wall; and a sealing member within the neck region configured to engage the seat to seal the opening, the cavity filled with pressurized fluid.

A crown cap and closing device. The abstract of the disclosure is submitted herewith as required by 37 C.F.R. 1.72(b). As stated in 37 C.F.R. 1.72(b): A brief abstract of the technical disclosure in the specification must commence on a separate sheet, preferably following the claims, under the heading Abstract of the Disclosure. The purpose of the abstract is to enable the Patent and Trademark Office and the public generally to determine quickly from a cursory inspection the nature and gist of the technical disclosure. The abstract shall not be used for interpreting the scope of the claims. Therefore, any statements made relating to the abstract are not intended to limit the claims in any manner and should not be interpreted as limiting the claims in any manner.

A crown cap closure and closure method. The abstract of the disclosure is submitted herewith as required by 37 C.F.R. 1.72(b). As stated in 37 C.F.R. 1.72(b): A brief abstract of the technical disclosure in the specification must commence on a separate sheet, preferably following the claims, under the heading Abstract of the Disclosure. The purpose of the abstract is to enable the Patent and Trademark Office and the public generally to determine quickly from a cursory inspection the nature and gist of the technical disclosure. The abstract shall not be used for interpreting the scope of the claims. Therefore, any statements made relating to the abstract are not intended to limit the claims in any manner and should not be interpreted as limiting the claims in any manner.