Abstract: A misfueling preventing apparatus discriminates a fuel filler nozzle based on an outer diameter of the fuel filler nozzle. The misfueling preventing apparatus includes a base, a first link arm, a second link arm, a flapper and a stopper. The first link arm has a first trigger projection. The second link arm has a second trigger projection. If the fuel filler nozzle of light diesel oil pushes the first trigger projection and the second trigger projection, the first link arm and second link arm swing to a direction to which the first link arm and second link arm open to, placing the flapper in an openable state.

Abstract: Present disclosure is a misfueling preventing apparatus discriminating a fuel filler nozzle based on an outer diameter of the fuel filler nozzle. The misfueling preventing apparatus includes a base, a first link arm, a second link arm, a flapper and the stopper. The first link arm has a first trigger projection. The second link arm has a second trigger projection. If the fuel filler nozzle of light diesel oil pushes the first trigger projection and the second trigger projection, the first link arm and second link arm swing to a direction to which the first link arm and second link arm open to allow the flapper rotates to open.

Abstract: This invention provides a fuel filler cap that can release an outer cap from an inner cap without influences of direction of the external force when it applied. The fuel filler cap 1 comprises the outer cap 11 constructed by an upper face portion 112, a skirt portion 113 extending from the outer circumference of the upper face portion 112 and a plurality of wedge-shaped projection 111 formed on the inner face of the skirt portion 113; the pressing plate 15; and the inner cap 13 constructed by a supporting plate 14 having an annular slant 142, a seal ring 12 and annular groove 146 defined by the lower face of the pressing plate 15 laid over the supporting plate 14 and by the annular slant 142.

Abstract: This invention provides a fuel filler cap that can release an outer cap from an inner cap without influences of direction of the external force when it applied. The fuel filler cap 1 comprises the outer cap 11 constructed by an upper face portion 112, a skirt portion 113 extending from the outer circumference of the upper face portion 112 and a plurality of wedge-shaped projection 111 formed on the inner face of the skirt portion 113, the pressing plate 15, and the inner cap 13 constructed by a supporting plate 14 having annular slants 142 formed downward by chamfering the peripheral edge of its upper face intermittently, a seal ring 12 and a plurality of annular groove 146 defined by the individual annular slants 142 of the supporting plate 14 and by the lower face of the pressing plate 15 laid over the supporting plate 14.

Abstract: A fuel cap comprising a closure unit adapted to be fitted into an opening of a filler neck having ridges formed on its inner side face intermittently in the circumferential direction, so that it may be secured to the filler neck by engaging with the ridges during a turning operation. The closure unit includes a closure body, a seal ring, a turning control sleeve, a sliding sleeve, a base and a coil spring. The amount of the spacing formed between the lower end of the sliding sleeve and the base is set smaller than an amount of the downward sliding of the sliding sleeve, which is caused when the engagement protrusions formed on the outer side face of the sliding sleeve slip into lower face of the ridges formed on the inner side face of the filler neck.

Abstract: The present invention provides a fuel cap having a high operability while maintaining the air-tightness thereof at a necessary and sufficient level. The closure includes a closure body having a head portion, a trunk portion and an annular trunk surface having stopper projections; a seal ring; a sleeve; a coiled spring; and an engagement member having engagement projections. The fuel cap is formed by assembling the seal ring around the annular surface of the trunk portion of the closure body and the sleeve with the trunk portion in the mentioned order, interposing the coiled spring between the sleeve and engagement member, and connecting the engagement member to the trunk portion of the closure body.

Abstract: This invention provides a fuel filler cap that can release an outer cap from an inner cap without influences of direction of the external force when it applied. The fuel filler cap 1 comprises the outer cap 11 constructed by an upper face portion 112, a skirt portion 113 extending from the outer circumference of the upper face portion 112 and a plurality of wedge-shaped projection 111 formed on the inner face of the skirt portion 113; the pressing plate 15; and the inner cap 13 constructed by a supporting plate 14 having an annular slant 142, a seal ring 12 and annular groove 146 defined by the lower face of the pressing plate 15 laid over the supporting plate 14 and by the annular slant 142.

Abstract: This invention provides a fuel filler cap that can release an outer cap from an inner cap without influences of direction of the external force when it applied. The fuel filler cap 1 comprises the outer cap 11 constructed by an upper face portion 112, a skirt portion 113 extending from the outer circumference of the upper face portion 112 and a plurality of wedge-shaped projection 111 formed on the inner face of the skirt portion 113, the pressing plate 15, and the inner cap 13 constructed by a supporting plate 14 having annular slants 142 formed downward by chamfering the peripheral edge of its upper face intermittently, a seal ring 12 and a plurality of annular groove 146 defined by the individual annular slants 142 of the supporting plate 14 and by the lower face of the pressing plate 15 laid over the supporting plate 14.

Abstract: A fuel cap comprising a closure unit adapted to be fitted into an opening of a filler neck having ridges formed on its inner side face intermittently in the circumferential direction, so that it may be secured to the filler neck by engaging with the ridges in turning operation. The closure unit includes a closure body, a seal ring, a turning control sleeve, a sliding sleeve, a base and a coil spring. An amount of the spacing formed between the lower end of the sliding sleeve and the base is set smaller than an amount of the downward sliding of the sliding sleeve, which is caused when the engagement protrusions formed on the outer side face of the sliding sleeve slip into lower face of the ridges formed on the inner side face of the filler neck.

Abstract: The present invention provides a fuel cap having a high operability while maintaining the air-tightness thereof at a necessary and sufficient level. The closure includes a closure body having a head portion, a trunk portion and an annular trunk surface having stopper projections; a seal ring; a sleeve; a coiled spring; and an engagement member having engagement projections. The fuel cap is formed by assembling the seal ring around the annular surface of the trunk portion of the closure body and the sleeve with the trunk portion in the mentioned order, interposing the coiled spring between the sleeve and engagement member, and connecting the engagement member to the trunk portion of the closure body.

Abstract: There are provided firstly a fuel cap which irrespective of its type has a structure that there is no transpiration of gasoline vapor until the cap is fully open and secondly particularly a bayonet-type fuel cap which has a structure that there is no eruption of fuel under a pressure difference between a internal pressure of the tank and atmospheric pressure. In each case the fuel cap consists of a closure 3 fitting into the opening of a filler neck 4 and a handle 2 integral with the closure 3, and an upper seal ring 10 and a lower seal ring 1 for sealing the filler neck 4 are each fitted individually to the closure 3 positionally apart from the other.

Abstract: There are provided firstly a fuel cap which irrespective of its type has a structure that there is no transpiration of gasoline vapor until the cap is fully open and secondly particularly a bayonet-type fuel cap which has a structure that there is no eruption of fuel under a pressure difference between a internal pressure of the tank and atmospheric pressure. In each case the fuel cap consists of a closure 3 fitting into the opening of a filler neck 4 and a handle 2 integral with the closure 3, and an upper seal ring 10 and a lower seal ring 1 for sealing the filler neck 4 are each fitted individually to the closure 3 positionally apart from the other.

Abstract: A 2,3-epoxypropyl derivative or a 2-methyl-2,3-epoxypropyl derivative of a compound having carboxyl groups or amido groups is produced as a purified product having an epoxide equivalent of 1.0 to 1.1 times the theoretical epoxide equivalent of the derivative, an ionic halogen content of 10 ppm or less, transparency when molten and a stability against increase in the epoxide equivalent when stored at 150.degree. C. for 24 hours, by a process comprising steps (A) reacting 1.

Abstract: When trichloroisocyanuric acid is produced by a process which comprises supplying unreacted chlorine from a second reaction zone to a cooled mixture of cyanuric acid and an aqueous alkali solution in a first reaction zone to form a partially chlorinated alkali salt of cyanuric acid, and introducing the reaction product of the first reaction zone and chlorine into the second reaction zone to complete the chlorination of the reaction product from the first reaction zone, the supply of the chlorine into the second reaction zone is so controlled as to ensure that the mixture in the first reaction zone be maintained at a temperature of 5.degree. C. to 20.degree. C. The second reaction zone is advantageously defined by a vertically disposed loop-shaped reactor.