Abstract: The present invention provides carbonated beverages that have new qualities of being less likely to release carbon dioxide dissolved therein, bringing the feeling of fine bubbles in drinking, and allowing a full control of their sparkling characteristic, and a method for producing the carbonated beverages. A liquid containing carbon dioxide gas is passed through an apparatus to generate cavitation under pressure conditions to generate cavitation in the liquid, thereby making finer the bubbles of the dissolved carbon dioxide gas.

Abstract: The invention provides an aeration apparatus for injecting air into a target substance to aerate the target substance. The aeration apparatus is capable of keeping the air jet nozzle from contacting the target substance when the apparatus is stopped, so as to prevent clogging of the air jet nozzle.

Abstract: Provided is an aeration apparatus, which is enabled, when stopped, to prevent an air injection nozzle from being choked, by keeping the air injection nozzle out of contact with an object to be treated. An aeration apparatus (1) is dipped in the object and blows air to aerate the object.

Abstract: A gas reservoir, a valve mechanism for controlling gas supply from the reservoir and a piezoelectric unit are incorporated into a body portion assembly. A rod portion is formed by connecting a hard gas pipe to a gas injection nozzle provided in a tip of a rod-like metal tubular member and electrically connecting the gas injection nozzle on one end of the gas pipe and a terminal member on the other end of the same by way of a wire which extends through the gas pipe. The body portion assembly and the rod portion are assembled into a unit by engaging the base portion of the rod portion with an engagement portion of the body portion assembly, thereby connecting the gas pipe in the rod portion to the valve mechanism in the body portion assembly and electrically connecting the metal tubular member in the rod portion to the piezoelectric unit in the body portion assembly.

Abstract: An igniting device has a gas reservoir 7, a valve mechanism 8, and a gas pipe 28 for leading fuel gas to a gas injection nozzle 26. A piezoelectric unit 20 generates a discharge voltage for producing an electric spark between the gas injection nozzle 26 and a discharge electrode 32 which is disposed near the gas injection nozzle. A covered wire 33 for electrically connecting the nozzle 26 with the piezoelectric unit 20 extends through the gas pipe 28 to reduce the effective cross-sectional area of the gas passage inside the gas pipe 28 with a high reliability and ease.

Abstract: An igniting device has a valve mechanism (8) which controls fuel supply from a gas reservoir, a gas injection nozzle (26) provided on a tip of a rod-like portion projecting from the valve mechanism(8) and a discharge electrode (32) which is disposed in the vicinity of the gas injection nozzle (26) and produces discharge spark to ignite the fuel gas discharged from the nozzle. A nozzle cover (30) made of non-conductive material is provided around the gas injection nozzle (26). The nozzle cover (30) is provided with a front end face (31a) disposed in front of the nozzle at a distance therefrom. The front end face (31a) is cut away at a portion opposed to the gas injection nozzle (26) and a portion opposed to the discharge electrode (32) to form an opening.

Abstract: A gas lighter with a safety device has a lock member which is able to linearly move between a locking position where it prevents depression of a valve lever and a releasing position where it allows depression of the valve lever and is urged to the locking position. A holding member hold the lock member in the releasing position in response to movement of the lock member to the releasing position, and a releasing member releases the lock member from the holding member in response to depression of the valve lever, thereby permitting the lock member to move away from the releasing position. A temporary holding member temporarily holds the lock member in the releasing position or the vicinity thereof until the valve lever returns to the original position.

Abstract: A piezoelectric gas lighter has an actuator cap which is mounted on an upper part of a lighter body to be movable up and down between upper and lower positions relative to the lighter body and is urged to the upper position. The actuator cap is depressed toward the lower position to discharge fuel gas stored in a reservoir provided in the lighter body and to actuate an ignition mechanism to ignite the fuel gas.