Abstract: A method of molding a foamed product is carried out by using a front and a rear mold for molding a front and a rear portion of the foamed product and a core interposed between the front and rear molds. The method includes steps of pouring or spraying one of foaming stock solutions onto a molding surface of the one mold, arranging the core in the one mold and pouring or spraying the other foaming stock solution onto the core or a molding surface of the other mold. The front and rear molds are closed at a moment when a lapse of time arrives at 30-100% of a rise time of the foaming stock solution later applied. Thereafter the closed molds are maintained in a position where an angle of the closed molds relative to a horizontal plane is within a range between 90.degree. and an angle more than 0.degree.. The front and rear molds are pivotally connected to each other with their one ends by means of a pivot shaft. The core is pivotally supported with its one end by a shaft arranged in parallel to the pivot shaft.

Abstract: A curable liquid silicone rubber composition comprising a diorganopolysiloxane having the general formula: R.sup.1.sub.a SiO.sub.(4-a)/2 wherein R.sup.1 is a substituted or unsubstituted monovalent hydrocarbon group and a ranges from 1.95 to 2.05, the diorganopolysiloxane containing at least two lower alkenyl groups attached to a silicon atom per molecule, an organohydrogenpolysiloxane containing at least two hydrogen atoms attached to silicon atoms per molecule, finely divided silica, and a platinum catalyst is improved in fatigue resistance by blending a specific cyclic or linear diorganopolysiloxane.

Abstract: An accumulator type of fuel injection nozzle having an injection valve, a first electromagnet for initiating fuel injection, and a second electromagnet for controlling the lift amount of the injection valve is provided with an energizing arrangement which enables effective fuel injection control but which greatly reduces the risk of burning damage to the electromagnets. The amp-turn characteristics of the first electromagnet coil provide for a rapid start-up time wherein the peak magnetic flux is reached relatively quickly. In contrast, the amp-turn characteristics of the second electromagnet coil provide for a more gradual start-up time so that peak magnetic flux is reached more gradually. The second electromagnet coil is also adapted to achieve a relatively large magnetic flux without the need for large current supply. In operation, when the second electromagnet is energized, such energization is started before energization of the first electromagnet for a particular fuel injection cycle.

Abstract: An accumulator type of fuel injection nozzle having an injection valve that is controlled by an electromagnet within the accumulator chamber includes a feeder wire structure formed axially in the outer housing assembly of the injection nozzle for energizing the electromagnet. This feeder wire structure includes one or more axially extending wire passages formed in the outer housing assembly, preferably in a structure through which is formed a fuel inlet conduit, constructed so as to withstand the high pressure within the accumulator chamber, to provide a sufficient seal without increasing the outer diameter of the injection nozzle, and to provide easy installation of the injection nozzle without interference from the engine. One or more feeder wires are contained within the wire passages for energizing the electromagnet.

Abstract: An accumulator type fuel injection nozzle having a relief valve for the control chamber that is controlled by an electromagnet constructed in such a way so as to reduce flux losses to the outer housing of the injection nozzle. In addition, the inlet and return ports of the nozzle are formed in the outer end of the nozzle and extend axially so that the mounting position of the nozzle will not be critical to the fuel connections to the pump and return lines.

Abstract: A silicone rubber composition which comprises an organopolysiloxane, a finely divided silica filler, and optionally an organosilicon compound having at least one .tbd.SiH bond in the molecule is described. When an organic peroxide of the following general formula ##STR1## wherein n is an integer of from 2 to 8, and R.sup.2 and R.sup.3 are independently a monovalent hydrocarbon group having from 3 to 10 carbon atoms or a group of the formula, Si(R.sup.4).sub.3, wherein R.sup.4 represents a group selected from a methyl group, an ethyl group and a phenyl group, is added, surface tackiness and physical properties are remarkably improved.

Abstract: A number of embodiments of fuel injection systems using air/fuel injection and wherein the fuel is not delivered to the injection unit until after the injection valve is open so that fuel cannot flow back into the pressurized air system. In some embodiments, a single valve element and valve seat controls the flow of both fuel and air.

Abstract: Molding a foamed product is carried out by using a front and a rear mold for molding a front and a rear portion of the foamed product and a core interposed between the front and rear molds. The front and rear molds are closed at a moment when a lapse of time arrives at 30%-100% of a rise time of the foaming stock solution later applied. Thereafter the closed molds are maintained in a position where an angle of the closed molds relative to a horizontal plane is within a range between 90.degree. and an angle more than 0.degree.. The front and rear molds are pivotally connected to each other with their one ends by means of a pivot shaft. The core is pivotally supported with its one end by a shaft arranged in parallel to the pivot shaft. The core is formed with a through-hole and said rear mold is provided with a protrusion to be hermetically fitted in the through-hole of the core.

Abstract: A foamable silicone rubber composition comprising:(A) a particular diorganopolysiloxane,(B) a powdery silica filler,(C) a particular conductive metallic oxide powder,(D) a foaming agent, and(E) a vulcanizing agent. This composition can be cured by ultra high frequency vulcanization to produce a cured silicone rubber foam.

Abstract: An accumulator type injection nozzle wherein a variable stop that is electrically actuated is provided for controlling the maximum degree of opening of the injection valve for controlling the amount of fuel discharged.

Abstract: An accumulator type fuel injection nozzle having a relief valve for the control chamber that is controlled by an electromagnet constructed in such a way so as to reduce flux losses to the outer housing of the injection nozzle. In addition, the inlet and return ports of the nozzle are formed in the outer end of the nozzle and extend axially so that the mounting position of the nozzle will not be critical to the fuel connections to the pump and return lines.

Abstract: A foamed cellular body of a cured silicone rubber composition can be obtained in a continuous process by irradiating a foamable silicone rubber composition containing, in addition to conventional diorganopolysiloxane, finely divided silica filler, blowing agent and crosslinking agent, a substantial amount of a dielectric inorganic powder, which is an iron oxide or a ferrite, with UHF microwaves. When the silicone rubber composition as molded is irradiated with UHF microwaves, the energy of the microwaves absorbed by the dielectric powder is efficiently converted into heat so that the molded body can be very evenly heated to effect foaming vulcanization of the composition giving a foamed and cured silicone rubber article having an excellently fine and uniform cellular structure.

Abstract: A high pressure fuel injection device including an accumulator type fuel injection nozzle for an internal combustion engine. High pressure fluid is delivered to the accumulator chamber by a reciprocating pump and the amount of fuel discharged is controlled by controlling the discharge pressure of the high pressure pump. This is done by varying the timing phasing of the pump.

Abstract: An accumulator type fuel injection nozzle including a resistor in the actuating electromagnet of the relief valve for controlling the operation of the valve. In the illustrated embodiment, there are provided two electromagnets, one of which opens the relief valve and the other of which closes the relief valve. In addition, a thermistor is provided in the circuit to the electromagnet so as to render the device substantially temperature insensitive.

Abstract: An extrusion molding silicon rubber composition including (A) 100 pbw of an organopolysiloxane, (B) 5-500 pbw of finely divided silica filler, (C) 1-50 pbw of powder boron nitride having a mean particle size of up to 20 .mu.m, and (D) a curing catalyst is extrusion molded and cured into an insulating article which has improved physical properties and dielectric strength and is thus suitable as electrical insulation.

Abstract: An accumulator type of fuel injection nozzle including an improved arrangement for slidably supporting the actuator end of the injection valve within the control chamber that controls the opening and closing of the injection valve. This is accomplished by providing a closure plate that has a large diameter bore that supports an enlarged diameter end portion of the injection valve. The bore is closed by a slidably supported supporting plate that has a smaller diameter bore which engages the control valve adjacent its larger diameter portion and slidably supports it.

Abstract: A silicone rubber composition comprising an organopolysiloxane and a curing catalyst for the organopolysiloxane. The releasing property of the composition is significantly improved by the addition of N,N'-alkylene bisamide having not less than 10 carbon atoms. The composition is particularly effective for molding in a mold or covering a wire core.

Abstract: A self-adhering silicone composition comprising;(A) 100 parts by weight of an organopolysiloxane(B) 0.01 to 10 parts by weight of an organic peroxide represented by the formula (II): ##STR1## wherein R.sup.2 represents a hydrogen atom, an alkyl group or alkoxy group having 1 to 10 carbon atoms; R.sup.3 represents an alkyl group having 1 to 10 carbon atoms or a phenyl group; a is an integer of 1 to 3 and b is an integer of 0 to 2, provided that a+b=3; and c is an integer of 1 to 3 and d is an integer of 0 to 2, provided that 1.ltoreq.c+d.ltoreq.5.This composition can bring about strong and durable adhesion to substrates without use of any primers.

Abstract: An elastomer roll comprising a roll core, a first layer of a cured organopolysiloxane composition, and a second thin layer of a fluorine resin formed in this order. The organopolysiloxane composition is comprised of an organopolysiloxane, a finely divided silica filler, an organosilicon material having at least one hydrogen atom bonded to the silicon atom in one molecule, iron oxide, a fluorine resin, and an organic peroxide in defined amounts.

Abstract: The silicone rubber composition of the invention comprises, as the peroxide curing agent, a neopentane diol derivative represented by the general formulaR.sup.1 --O--O--CO--O--CH.sub.2 --C(CH.sub.3).sub.2 --CH.sub.2 --O--CO--O--O--R.sup.2,in which R.sup.1 and R.sup.2 are each, independently from the other, a monovalent hydrocarbon group having 3 to 10 carbon atoms or a silyl group of the general formula --SiR.sup.3.sub.3, R.sup.3 being a methyl, ethyl or phenyl group, such as trimethyl silyl, in admixture with a diorganopolysiloxane and a reinforcing silica filler. By virtue of this unique formulation, the silicone rubber composition is suitable for hot-air vulcanization without compression as in the vulcanization process by extrusion molding followed by heating in a hot-air oven.