Abstract: There is provided a fuel cell gas supply diffusion layer that includes: a sheet-shaped porous body layer having conductivity, the porous body layer allowing permeation and diffusion of a gas therethrough; and a plurality of gas flow path grooves formed on one surface of the porous body layer in a direction respectively directed from a gas inflow side to a gas outflow side. In the fuel cell gas supply diffusion layer, the plurality of gas flow path grooves include: a plurality of gas inflow side grooves formed on the gas inflow side; and a plurality of gas outflow side grooves formed on the gas outflow side.

Abstract: A fuel cell gas supply and diffusion layer includes a sheet-like porous body layer, and a plurality of gas passage grooves formed on one surface of the porous body layer in parallel and formed in a zigzag shape or a wave shape respectively. As viewed in a plan view, a first rectangular region where circumscribes one gas passage groove and a second rectangular region where circumscribes a gas passage groove adjacent to the one gas passage groove overlap along a region in contact each other. An overlapping region where the first rectangular region and the second rectangular region overlap exists at any depth position of the grooves. According to the fuel cell gas supply and diffusion layer, it is possible to increase a power generation efficiency of a fuel cell.

Abstract: A gas diffusion member which can reduce internal resistance of a fuel cell. A gas diffusion member arranged between a separator and a catalyst layer of a fuel cell, including: a porous material layer; and a conductive material layer; wherein: the porous material layer is formed of a conductive porous material; the conductive material layer is formed of a conductive material; and the conductive material layer is arranged on a surface of the porous material layer on a side of the separator and is provided so that pores of the porous material layer are filled with the conductive material.

Abstract: A fuel cell gas supply and diffusion layer includes a sheet-like porous body layer, and a plurality of gas passage grooves formed on one surface of the porous body layer in parallel and formed in a zigzag shape or a wave shape respectively. As viewed in a plan view, a first rectangular region where circumscribes one gas passage groove and a second rectangular region where circumscribes a gas passage groove adjacent to the one gas passage groove overlap along a region in contact each other. An overlapping region where the first rectangular region and the second rectangular region overlap exists at any depth position of the grooves. According to the fuel cell gas supply and diffusion layer, it is possible to increase a power generation efficiency of a fuel cell.

Abstract: It is an object of the present invention to provide an electronic ticket system in which right information on a ticket is purchased via communication means, and a writable storage medium of the right information is used, thereby granting admittance into an event facility.

Abstract: A method of inserting into a small-sized accommodating case an elastic body larger than the case by regulating the amounts the body is compressed in vertical and horizontal directions such that the elastic body adheres closely to the inner surface of the case without forming gaps therebetween and a distribution of dense and less-dense parts is generated in the inserted elastic body. First, the elastic body is compressed by pushing two sets of opposite side surfaces thereof by using two parallel clamping hands, respectively. Then, the compressed elastic body is inserted in the case. Subsequently, the elastic body is further compressed in the direction of the insertion. Thereby, the distribution of dense and less-dense parts can be generated in the elastic body without forming wrinkles therein and gaps between the elastic body and the inner surfaces of the ink tank. Consequently, ink supply capability can be raised and printing quality can be improved.

Abstract: A method of inserting into a small-sized accommodating case an elastic body larger than the case by regulating the amounts the body is compressed in vertical and horizontal directions such that the elastic body adheres closely to the inner surface of the case without forming gaps therebetween and a distribution of dense and less-dense parts is generated in the inserted elastic body. First, the elastic body is compressed by pushing two sets of opposite side surfaces thereof by using two parallel clamping hands, respectively. Then, the compressed elastic body is inserted in the case. Subsequently, the elastic body is further compressed in the direction of the insertion. Thereby, the distribution of dense and less-dense parts can be generated in the elastic body without forming wrinkles therein and gaps between the elastic body and the inner surfaces of the ink tank. Consequently, ink supply capability can be raised and printing quality can be improved.

Abstract: The invention relates to a process for preparing prilled bisphenol A by granulation which comprises adding compounds soluble in molten bisphenol A, not affecting adversely the melt color of bisphenol A to any significant extent, and have a melting point of 60.degree. C. or more to bisphenol A and granulating and also to a process which comprises adding the reaction mother liquor or cyrstallization mother liquor produced in the manufacturing step of bisphenol A to bisphenol A or the adduct of bispheol A and phenol or a mixture of bispheol A and phenol, removing the phenol, and granulating. The processes yield prilled bispheol A which have high strength and resist powdering.

Abstract: A piezo-electric transducer type pressure sensor such as a silicon pressure sensor or the like is provided in a low path of fluid located in the midway between a valve section and a nozzle ejection port in a fluid ejection gun. When foreign matters in the fluid block the nozzle and hence the ejection from the nozzle becomes an abnormal condition, a fluid pressure variation produced in the flow path between the valve section and the nozzle ejection port is detected in the form of an electric signal by means of the piezo-electric transducer type pressure sensor.