Abstract: A starter device for an internal combustion engine has a drive element and a output element. The drive element enables driving the starter device in rotation. The output element is supported rotatably about an axis of rotation and has a coupling device for releasably coupling the starter device to the crankshaft. A coil spring is arranged operatively between drive element and output element in an axial direction between a first abutment at the drive element and a second abutment at the output element. The first and second abutments have a first spacing relative to one another at least at one circumferential location in a first area and a second spacing relative to one another in a second area. The first and second spacings are measured parallel to the axis of rotation. The first spacing is smaller than the second spacing. The first area is radially outside of the second area.

Abstract: A cylinder liner for an internal combustion engine, especially a gasoline motor, in which a piston can move between a lower and an upper dead center in an axial direction K, and the cylinder liner has a thrust collar, by which the cylinder liner can be fixed in a housing of the internal combustion engine, and there is provided a recess at the cylinder head end, in which there is installed an insert ring with a height hR, while the thrust collar of the liner has a height hB which is between 65% and 100% or between 83% and 95% or 100% of the height hR of the insert ring.

Abstract: A portable, hand-held, combustion engine powered working machine comprises a tool unit (1) including a rotatable working tool (3), and a machine unit (2) including an internal combustion engine (11), an assembly (16) for supplying air and fuel to the engine, and an air cleaning system, which comprises a filter assembly (10) including at least two filters (84, 85), referred to as pre-filter (84) and main filter (85), for cleaning the air that shall be supplied to the engine.

Abstract: An engine with expansion piston located on the end of a motion arm connected to the engine shaft. On the shaft, rotating compression pistons are mounted. The distance between the two piston types allows for the production of great torque. The geometry of expansion chamber and compression chamber is concentric toroidal. A pressure chamber stores the air-fuel mixture coming from the compression chamber to the expansion chamber and is therefore interposed between the two. The timing of the two or more sliding ports attached to the compression chambers determines the compression volume, while the valves control the communication of the pressure chamber with the other chambers.

Abstract: Method for installation and functioning of a flame front type ignition system in the conventional throughbore through the wall of the head of an internal combustion engine. This installation is effected from a location external of the head and while the head is affixed in covering relationship to one or more combustion chambers of the internal combustion engine. In one embodiment, there is employed a flame cone which is threadably inserted within the throughbore proximate the inboard end of the throughbore. The inboard end of the flame cone is provided with a plurality of exit ports opening from a first central channel within the flame cone thence into the combustion chamber along preselected paths. The flame cone is provided with one or more alpha letters on the outboard face of the flame cone where they are visible to a person threading the flame cone into the throughbore. Further, a marker (e.g. an arrow) is provided on the outer rim of the throughbore.

Abstract: An internal combustion engine, including a main combustion chamber serving as a main combustion chamber, an auxiliary combustion chamber adjacent to the main combustion chamber and smaller in capacity than the main combustion chamber, and a partition wall between the main combustion chamber and the auxiliary combustion chamber, the partition wall including an injection hole by which the main combustion chamber and the auxiliary combustion chamber communicate. A fuel supply device supplies fuel to the main combustion chamber and the auxiliary combustion chamber. A mixture forming device forms a mixture of air and the supplied fuel in the main combustion chamber, away from the partition wall before ignition. An ignition device ignites the fuel in the auxiliary combustion chamber, propelling an ejecting torch flame into the mixture of air and fuel in the main combustion chamber through the injection hole, thereby burning the mixture of air and fuel in the main combustion chamber.

Abstract: It is necessary to attain the combustion stability when performing ignition retarding in order to reduce exhaust gas and raise the exhaust gas temperature under a cold start condition, as well as soot reduction under a fully open throttle valve condition. An injector according to the present invention comprises: a plurality of fuel passages having an axis line inclined with respect to a valve operation axis line at a nozzle end; wherein inclined axis lines of at least three of the fuel passages have a spreading angle, none of them intersecting with each other, and three injection points are formed in a plane perpendicular to a valve operation axis line to form a triangle; and wherein at least one center-oriented fuel passage having an injection point around the center of the triangle is provided.

Abstract: A boat propulsion unit controller includes a switch arranged to switch between a long intake duct and a short intake duct for drawing air into an engine of a boat propulsion unit, a motor-operated driver arranged to drive the switch, a duct length switching position sensor arranged to detect the position of the switch at the time of switching the duct length, a fuel supply arranged to supply fuel to the engine, a sensor failure detector arranged to detect failure of the duct length switching position sensor based on its output, and a controller arranged to compensate the fuel supply rate based on the position of the switch detected at the time of duct length switchover. A controller, when the duct length switching position sensor fails, takes the action of switching to the long intake duct and compensates the fuel supply rate using a sensor output quasi value corresponding to the time of switchover to the long intake duct.

Abstract: A fuel injection system for a direct fuel injection engine is provided. The system includes an injection mode module that selects a fuel injection mode to be one of a single injection mode and a dual injection mode during engine operation and a fuel injection command module that commands fuel injection events based on a crankshaft position, the fuel injection mode and a fuel percentage blending schedule.

Abstract: A fuel injection system for a direct fuel injection engine includes an injection mode module. The injection mode module selects a fuel injection mode to be one of a single injection mode and a dual injection mode. A fuel injection command module transitions between the single and dual injection modes by varying the timing of fuel injection events relative to a crankshaft position.

Abstract: A method for starting an internal combustion engine having direct fuel injection into a cylinder, comprising of only for a first combustion event under selected conditions during an engine start, directly injecting fuel to the cylinder at least twice, where each of said two injections at least partially occur during a compression stroke.

Abstract: A method for starting an internal combustion engine having direct fuel injection, comprising of adjusting a number of direct injections per combustion cycle based on a cylinder event number from a first cylinder event.

Abstract: A method of controlling the start-up of an engine in which: an engine is used including: a plurality of cylinders in each of which a piston slides, a crankshaft linked with the pistons, inlet valves and exhaust valves, injectors, ignition element, there is used a sensor having a reference index, the rotation of the crankshaft is commanded, the rotation of the crankshaft is detected, a group of cylinders is selected for which the reference index is detected less than a half-turn of the crankshaft before the piston reaches the top dead center, before the inlet valves of the selected group of cylinders closes, the injectors of the selected group of cylinders are commanded, the reference index is detected, the ignition element is commanded.

Abstract: A system of mechanical components that operate cooperatively to control evaporation of fuel or hydrocarbon leakage from engines is disclosed. In at least some embodiments, the system of mechanical components comprises a first valve assembly and a second valve assembly. The first valve assembly, which functions as a fuel-shut off valve assembly, governs whether fuel can proceed from a fuel bowl into a carburetor, and when closed, prevents fuel vapors from developing within the carburetor. The second valve assembly, which functions as a “vapor venting control valve assembly,” has an input port that is coupled by way of a fuel tank vapor hose to both a fuel tank and to the fuel bowl. When in a closed state, the second valve assembly controls the fuel vapors, which are provided to its input port from the fuel tank and the fuel bowl, from being communicated to an output port of the second valve assembly.

Abstract: A gravity-controlled constant-pressure and pressure-regulation device includes a canister, a weight block, and a seal head. The canister includes a metal layer, an epoxy resin layer, and a plastic sheet layer. The metal layer serves as an inner lining. The epoxy resin layer surrounds an outer circumference of the metal layer. The plastic sheet layer surrounds an outer circumference of the epoxy resin layer. The weight block is movably received in the canister. The metal layer has an inner surface movably and receivingly engages the seal head. The weight block is mounted to the seal head. The weight block is movable upward and downward inside the canister by being acted upon by a gravity force of weight thereof and a lifting force induced by an internal pressure inside the canister to effect mass storage of air inside the canister and stable supply air at constant pressure.

Abstract: A fuel cooling system for a diesel internal combustion engine system having a set of engine cylinders, a fuel storage tank, and a common rail fuel injection system comprises of a fuel distribution circuit for carrying fuel from the fuel storage tank to the engine cylinders; a fuel recycling circuit for recycling un-injected fuel; a temperature sensor for sensing fuel temperature; a fuel to coolant heat exchange system for cooling the fuel wherein the fuel to coolant heat exchange system comprises a coolant reservoir, an electric coolant pump, and a heat exchange manifold; a mechanism for controlling the electric coolant pump operation; an air to coolant heat exchange system coupled to the fuel to coolant heat exchange system for cooling the coolant in the fuel to coolant heat exchange system wherein the air to coolant heat exchange system is exposed to vehicle ram air and includes a heat exchange manifold and a cooling fan; and a mechanism for controlling the cooling fan.

Abstract: The engine has at least one cylinder (2) each with at least one and preferably multiple air intake valves (25?, 1) into the cylinder, and at least one exhaust port (51) at a lower position above the bottom position of the piston (53). A blower (4) is arranged to force air into each cylinder via each intake valve as the piston moves around the bottom position, the blower not supplying enough pressure to keep each intake valve open during upward motion of the piston, such that during upward motion of the piston, compression occurs within each cylinder, and such that during downward motion of the piston the blower forces air into each cylinder via each intake valve once each exhaust port is uncovered by the downward motion, and out of each cylinder via each exhaust port. The air intake valves are positively actuated by controlled air pressure differentials, for example by each intake valve having a valve disk (85) to close against a valve seat (1), a valve shaft (86), and lower and upper guide disks (87, 88).

Abstract: A gas sensor diagnostic method includes: a fuel supply detecting step of detecting an interruption of a fuel supply to the internal combustion engine, and a restart of the fuel supply after the interruption of the fuel supply; a response time period accumulating step of determining a response time period by accumulating a first time period that the sensor output value reaches from a first threshold value to a second threshold value after the detection of the interruption of the fuel supply, and a second time period that the sensor output value reaches from a third threshold value to a fourth threshold value after the detection of the restart of the fuel supply after the interruption of the fuel supply; and an abnormal state diagnosing section of determining an abnormal state of the gas sensor when the response time period is greater than a predetermined time period.

Abstract: A fuel supply assembly is provided that may allow for use of vaporized fuel to power an engine and enhance fuel efficiency. The fuel supply assembly may include a vaporizing tank, a heating source, a temperature control and a monitoring and control system configured to control intermixing of ambient air and vaporized gasoline to maintain a desired hydrocarbon level in an exhaust.

Abstract: There is described a tool as well as a method for machining a workpiece made of a hard material by means of a geometrically determined blade. In order to obtain an improved surface quality of the machined workpiece when machining such a hard and brittle material, a tool is provided which has a cutting angle of less than 10°. According to the associated machining method, rotational speeds exceeding 1300 rpm are used. There is further described a machine that is to be used in such a tool and is utilized in such a method.

Abstract: This invention discloses a cutting means for slate cutter, comprising: a base, a blade and a electric motor, a support arm is mounted on the base, the support arm comprises a bracket which is able to rotate perpendicularly to the surface of the blade, and a frame is attached to the bracket, the electric motor is secured to the frame, one side of the frame is fixed to the bracket by a dowel pin pin, which is located eccentrically with respect to the axis of the blade; not only the cutting angle of the cutting means, but also the height of the blade could be adjusted, which is good in elaborate cutting and improving efficiency.

Abstract: An apparatus for cutting stone is described. The apparatus may include a structural member. The apparatus may include a first chisel. The first chisel may be rigidly connected to the structural member. The first chisel may include a tip. The apparatus may include a second chisel. The second chisel may be moveable with respect to the first chisel. The second chisel may include a tip. The second chisel may be configured to move from a first position to a second position. The first chisel and the second chisel may be oriented within approximately the same plane.

Abstract: A door blocking device including a retaining member movable, along a given path, between a work position and a rest position, in which it respectively cooperates with and does not cooperate with a coupling member of the door when the door is in a closed position; and controlled-actuation means for controlled actuation of the retaining member, and which include elastic means for pushing the retaining member into the rest position; means for moving the retaining member into the work position in opposition to the elastic means; a rotary member having at least one radially projecting peripheral lobe; and an electrically controlled actuator for moving the rotary member selectively between a first angular position, in which the at least one lobe does not interfere with the given path (T), thus allowing the retaining member to move between the work position and the rest position, and a second angular position, in which the lobe interferes with the given path to lock the retaining member in the work position in oppos

Abstract: A thermal diffusion apparatus as an object for guiding and reflecting heat, which is provided between grill and heat source and is configured so as to diffuse the heat supplied directly upwards from the heat source for uniform dispersion thereof, is disclosed. The disclosed thermal diffusion apparatus includes a heat inducing diffuser for diffusing the heat supplied directly upwards from the heat source to induce it in a 360 degree radial direction of the grill; and a support for supporting the heat inducing diffuser so as to place said heat inducing diffuser between heat source and grill.

Abstract: A grill handle and light assembly is disclosed, the handle being attached to the lid of the grill and the light being detachably secured to the handle for use while grilling or, when detached, as an auxiliary light.

Abstract: A sideward ignition apparatus for a barbeque grill includes a sideward burner head, and an ignition mechanism. The sideward burner head includes a support seat, a gas conveyor connector, a hollow gas conducting pipe, a front frame, at least one ceramic board, and a front wind shield hood. The ignition mechanism includes an igniter, a conducting wire, a constant fire nozzle, and a guide pipe. Thus, when the flame from the gas conducting pipe of the sideward burner head extinguishes due to a larger wind, the constant fire nozzle of the ignition mechanism produces a constant fire (or mother fire) so as to maintain stability of the flame.

Abstract: The present invention is a method and apparatus for delivering an additive with a continuous positive airway pressure (“CPAP”) machine. The invention includes mixing an additive with humidifier water and providing the additive to the patient with the CPAP machine. According to certain embodiments, the additive can be an aromatic additive or a therapeutic additive.

Abstract: An inhaler for delivering medicament by inhalation comprises a canister which comprises a body which includes a base and a head and defines a chamber containing medicament, and a valve stem which extends from the head of the body and from which medicament is in use delivered on actuation of the canister. The inhaler further comprises an actuator comprising a main body comprising a housing receiving the canister, and an actuation mechanism for actuating the canister. The actuation mechanism comprises a loading member which is fitted to the head of the canister body and includes a loading section which is located at a distance spaced from the base of the body of the canister and, in use, acted upon to drive the loading member in an actuating direction from a first, rest position to a second, actuated position in which the canister is actuated to deliver medicament.

Abstract: In one embodiment a dive mask for use in swimming, diving including, or one of other water sports activities, includes a flexible skirt adapted to sealingly cover the face; a frame mounted around a front opening of the skirt for covering the eyes and including one or two lenses fitted therein; a flexible strap interconnecting two ends of the frame, the strap adapted to hold the dive mask on the head; and a nose enclosure formed with the skirt and disposed under, the nose enclosure being adapted to sealingly cover the nose. The nose enclosure includes a flexible portion at either side such that a pressing of the flexible portions with the hand, as a first step of “ear pressure equalization” act prior to diving, will stretch same substantially without causing movement of a peripheral edge of the skirt.

Abstract: A nasal mask is adapted to attached on a face of a subject so as to cover a nose of the subject. A shell has a contact edge adapted to be brought into close contact with the face of the subject, thereby forming a sealed space therein. An attachment portion is disposed in the shell and has an inner space. The attachment portion is configured to detachably engage with a sensor disposed outside the shell and operable to measure concentration of carbon dioxide gas expired from the nostrils. A guide member is disposed inside the shell and forming a passage adapted to introduce expired gas from the nostrils into the inner space. The shell is formed with an inlet adapted to introduce external gas into the sealed space. The expired gas is guarded by the guide member from the external gas introduced through the inlet. The attachment portion is formed with an outlet adapted to discharge the expired gas from the inner space to the sealed space.

Abstract: This invention relates to a therapeutic device and method of administering precisely measured doses of a therapeutic substance via inhalation to pediatric and adult patients. More specifically, the invention relates to a therapeutic device and method of administering inhaled medication which delivers a controlled flow rate to a mouthpiece for administration of medicament to young children and adults with a diminished capacity, at a rate of about 25.8 L/minute to 30.2 L/minute.

Abstract: The invention consists of a powder inhalator for administrating medications. The inhalator, according to the invention, has a chamber with a mechanism for opening the medication capsule and an aerodynamic chamber in which the medication particles are separated from the currier capsules. In the aerodynamic chamber. On the opposite side to the mouthpiece opening, there are air inlet ducts which form a multidirectional system of air ducts. The air ducts are shaped in a way which makes the air that flows through them create at least three streams. Due to the intersecting of the air streams the air flow is strongly turbulent even if low speeds are involved. Consequently the separation of the active substance particles form the carrier surface is very effective.

Abstract: A medicament dispenser for use with at least one medicament carrier carrying multiple distinct medicament portions, said medicament dispenser comprising (a) a dispensing mechanism actuable for dispensing the distinct medicament portions carried by the at least one medicament carrier; (b) a mouthpiece; and (c) a cover for the mouthpiece, the cover being movably mounted to the dispenser for sequential movement from a first position, in which the mouthpiece is covered, to a second position, in which the mouthpiece is at least part-uncovered, to a third position in which the mouthpiece is uncovered; wherein the cover is adapted to couple with the dispensing mechanism such that movement of the cover from the second position to the third position, but not the first position to the second position, results in actuation of the dispensing mechanism.

Abstract: A supplemental air diffusion device is shaped and configured to be attached to the body or clothing of a patient below the head and deliver supplemental air toward the mouth and nose of the patient. The supplemental air diffusion device includes a frustroconicoidal air diffusion body that has a smaller inlet opening at an inlet end and an enlarged diffusion opening at a diffusion end. An air inlet stem is integrally attached to the air diffusion body and includes a plurality of ribs and/or recesses for releasably locking a female connector of an air supply hose over the inlet stem. A pair of spaced-apart slits are provided through a flange extending laterally from an outer surface of the air diffusion device. Initially separate accessory patient attachment clamps are looped through the slits and provide for releasable attachment of the air diffusion device to a patient's clothing.

Abstract: A ventilatory system for providing ventilatory support to a patient without the need for an external source of pressurized drive gas. The ventilatory system comprises a drive pump and a controller such that the drive pump collects ambient air and may pressurize it to a pressure determined by the controller. The controller may signal to the drive pump to pressurize the collected ambient air to a first pressure for delivering ventilatory support to a patient and a second pressure for providing PEEP support to a patient. The controller may signal to the drive pump to deliver a targeted flow and/or volume of collected ambient air to the bellows to provide volumetric ventilatory support during inhalation and a PEEP support during exhalation.

Abstract: A quick pressure reducer and cylinder valve for use with an SCBA includes a cylinder valve that connects to a pressure vessel, a pressure reduction assembly for reducing the pressure of breathing air provided by the pressure vessel, a probe, and an inlet/latch assembly. The probe includes a notch and a threadless probe tip, and the inlet/latch includes a corresponding receptacle and one or more latches adapted to fit into the notch to retain the probe in the receptacle. A pushbutton switch in the receptacle is triggered by insertion of the probe tip therein, thereby providing an electrical signal. Probes of different lengths may be used to correspond to different pressure capacities, and the inlet/latch assembly may be arranged either to permit the insertion of only probe size or may be arranged to accept both sizes but to function differently based on the size of the probe. The latches are inoperable except at or below a nominal pressure.

Abstract: The breathing assistance apparatus of the present invention includes a manifold that is provided with or retrofittable to gases supply and humidifying devices. The manifold allows gases from an oxygen concentrator to be combined with the flow through a gases supply and humidifying device, most usually air The combined output of oxygen and other breathing gases (air) is then humidified. The breathing assistance apparatus and manifold of the present invention provides a safe method to add oxygen to the input air stream of a gases supply and humidifying device and reduces the amount of accumulation of oxygen within the gases supply device, reducing fire risk should sparking occur within the device.

Abstract: A system for regulating the airflow to a closed environment using feedback control for the position of a control valve and blower speed. The system provides a control apparatus that regulates airflow to a closed environment, such as the mask of a breathing apparatus, to ensure sufficient breathing air for a wearer of such mask. In order to provide fast response to a change in condition in the breathable environment, the airflow regulator includes a valve control and a blower control.

Abstract: An apparatus is provided for controlling air supplied under pressure to a patient suffering from sleep disorders such as apnoea. The apparatus measures and/or calculates the inspiratory air flow, volume and pressure to the airway. Controlled pressurized air is supplied to the patient's upper anatomical airway, wherein the apparatus measures the air flow and pressure to the airway. The apparatus determines whether to increase or decrease the pressure to the patient's airway based on a determination of one or more factors, such as the occurrence of hypopnoea, hyperventilation, obstructive or central apnoea, air leakage and acoustical vibrations. Occurrences of events representing a sleep problem may be stored by the apparatus and retrieved by a clinician at a later date.

Abstract: A quick pressure reducer and cylinder valve for use with an SCBA includes a cylinder valve that connects to a pressure vessel, a pressure reduction assembly for reducing the pressure of breathing air provided by the pressure vessel, a probe, and an inlet/latch assembly. The probe includes a notch and a threadless probe tip, and the inlet/latch includes a corresponding receptacle and one or more latches adapted to fit into the notch to retain the probe in the receptacle. A pushbutton switch in the receptacle is triggered by insertion of the probe tip therein, thereby providing an electrical signal. Probes of different lengths may be used to correspond to different pressure capacities, and the inlet/latch assembly may be arranged either to permit the insertion of only probe size or may be arranged to accept both sizes but to function differently based on the size of the probe. The latches are inoperable except at or below a nominal pressure.

Abstract: Breathing equipment to mimic the training of athletes at high altitude comprises a mouthpiece connected to a chamber containing a carbon dioxide absorber which is connected to the atmosphere by a tube. In use the air breathed out passes through the carbon dioxide absorber into the conduit where it mixes with atmospheric air and the mixture re-breathed.

Abstract: A patient interface assembly that includes a patient interface device, a headgear, and pivoting coupling member joining the interface device to a headgear assembly. In one embodiment, a spring biases the patient interface device against the patient's face when in use. In a further embodiment, the patient interface device is a nasal cushion that includes a formable support mounted to the nasal cushion for providing support and adjustment of the nasal cushion to improve fit and comfort. The headgear assembly in one embodiment is a semi-rigid, minimal contact harness assembly and includes an adjustment assembly that allows for a simultaneous adjustment of multiple straps. In a further embodiment, a pair of rigid connecting members couple the patient interface device to the headgear.

Abstract: A patient interface includes a body portion configured to communicate with at least one fluid path, and at least one nostril interface extending from the body portion. The nostril interface includes an insertion portion configured to be inserted into a nostril of a patient and to be in communication with the at least one fluid path. In an embodiment, the insertion portion includes a plurality of laterally directed openings configured to communicate fluid between the fluid path and the nostril. The patient interface also includes a seal portion that is constructed and arranged to provide a seal between the patient interface and the nostril.

Abstract: An implant suitable for treatment of treatment of vaginal and/or uterine prolapse and/or pelvic floor reconstruction. The implant comprises a vaginal support member substantially sized or shaped to the portion of the vaginal wall to be supported and at least two extension portions projecting from the support member, wherein at least one extension portion has fixation means for anchoring the extension portion into pelvic paravaginal fibro-fatty issue without being faxed into defined structural tissues. A method of treating treatment of vaginal and/or uterine prolapse and/or pelvic floor reconstruction using the implant is also provided.

Abstract: The present invention relates generally to a smokeless tobacco product in the form of a completely dissolvable vehicle (1; 11) comprising concentrated tobacco extract contained in a dissolvable matrix. In one embodiment, the vehicle (11) is a multilayer three-dimensional vehicle whose several layers (12, 13, 14) dissolve layer by layer in the mouth of a user.

Abstract: The invention relates to a method of processing tobacco fines, whereby the tobacco preparation for producing smoking articles from an initial material to be processed, which contains tobacco fines and tobacco material, is subjected to an increased mechanical pressure in order to bind the tobacco fines permanently to the tobacco material, and no extra or external binding agents are added the material to be processed in order to bind the tobacco fines to the tobacco material. It further relates to smoking articles containing smoking material produced on the basis of one of the methods proposed by the invention.

Abstract: Disclosed is a quality controlled artificial eyelashes extension system having a method and materials for the application of artificial lash hairs onto existing natural eyelashes of a human subject to extend the length of the natural eyelash. The system provides the training and materials to attach the eyelash extensions on a hair-by hair basis to a subject's existing natural eyelash, as well as a quality control feature which provides for assuring that practitioners of the system are appropriately trained, and the consumable materials utilized by the system are safe for human use. Included in the system is a fluent eyelash glue which forms a flexible, bio-compatible bond between two hairs to be adhered together.

Abstract: A method for altering the color of hair comprising applying a bleach composition containing persulfate salts and at least one oxidizing agent to the desired strands of hair for a period of time sufficient to bleach the hair, removing the bleach composition from the hair but leaving at least some residual oxidizing agent on the bleached hair strands, then treating the hair with a colorant composition containing at least one dye operable to color hair in the presence of the residual oxidizing agent found on the bleached hair strands, said colorant composition being free of any oxidizing agents operable to react with the dye present therein to form color, whereby upon-contact with the colorant composition, the hair strands treated with the bleach composition having residual oxidizing agent thereon will react with the dye present in the colorant composition to cause the bleached hair strands to become colored, while any remaining unbleached hair will not become colored by contact with the colorant composition and

Abstract: A hand-held device (2) for applying a barrier material (4, 6) to a lock of hair to be treated with a highlighting composition (32) is disclosed. The device may comprise one or two rolls (8, 10) of a tape of barrier material (4, 6) that is dispensed to the lock of hair as the same time as the roll or rolls (8, 10) are unrolled. The device may also contain the highlighting composition (32), either applied on the rolled tape or via a reservoir contained in the body.

Abstract: A cosmetic applicator includes a handle, a drive coupled to the handle, an applicator head coupled to the drive, and a torque limiter. The torque limiter includes a magnetic coupling, the magnetic coupling being coupled to at least one of the drive and the applicator head such that the torque applied via the applicator head does not exceed a predetermined allowable torque.