Abstract: A tiled array of diamond plates, which is suitable for wafer scale processing, for example, in the manufacture of electronic or other device structures on the diamond plates. The diamond plates are fixed to a support layer, preferably a polycrystalline diamond support layer, in a substantially planar arrangement such that at least one of the major surfaces of the respective fixed diamond plates defines a fabrication surface that is exposed for further processing. The support layer may be a backing layer, in which case only one of the major faces of the diamond substrate is exposed for further processing, or may extend between respective diamond substrates such that both major surfaces are exposed for further processing.

Abstract: A sample holder for physical vapor deposition equipment, which is disposed in a vacuum chamber for holding samples, includes a transmission mechanism and a fastening mechanism. The transmission mechanism includes a stationary shaft and a transmission element. The fastening mechanism includes a rotation shaft unparalleled with the stationary shaft of the transmission mechanism, a support arm for securely holding the rotation shaft, and a rotational disk assembly that drives the rotation shaft and the support arm to rotate about the transmission mechanism. Two ends of the rotation shaft are connected to a rotation element and an affixation base. The rotation element rotates in response to the transmission element, thereby rendering the affixation base to perform inclined rotation. In this manner, the nano-meter ions can be coated continuously and homogeneously onto the sample surface to enhance the surface hardness, the erosion resistance and the life expectancy of the sample.

Abstract: It comprises a casing (1) which includes means for supporting the toilet paper roll (4) and means for supplying a liquid for dampening said paper. It is characterized in that said means for supplying a liquid consist essentially of a dosing element (5) partially closed of replaceable or rechargeable type which is snapped into the casing (1).

Abstract: A stackable drywall tape and joint compound dispenser is disclosed. The dispenser includes a tape holder and a reservoir for storing drywall joint compound, wherein when the dispenser is placed on another dispenser of substantially the same configuration, at least one of the respective tape holders and reservoirs nest with one another.

Abstract: A fully temperature controlled apparatus comprising a thermoplastic stage assembly having solids processing components and a finishing stage assembly having liquid processing components and liquid applicator components or finishing assembly.

Abstract: When it is determined that an end process flag is not stored in memory, there is a possibility that the recovery operation was not executed normally and the viscosity increased or fixed coating liquid exist in a liquid holding member and liquid flow paths. Therefore, a filling operation for generating stronger fluidization than a normal filling operation is carried out as a filling operation also acting as a restoration operation. That is, a pump is operated at a predetermined rotating speed for a specified time, which is longer than the specified time for the normal filling operation. By this, the viscosity increased coating liquid existing in the liquid holding space and the respective liquid flow paths is re-fluidized to an extent that will not interfere with circulation, and normal filling of the coating liquid is carried out.

Abstract: An RF coil assembly provides a source to generate a plasma inductively in a process chamber. The RF coil assembly includes an RF coil disposed about a perimeter of the processing chamber and a frame disposed about a perimeter of the processing chamber. The frame is adapted to support the RF coil in position. An interface material is disposed between and in thermal contact with the frame and a sidewall of the processing chamber. The interface material has a thermal conductivity of 4.0 W/mK or greater.

Abstract: A plasma source assembly including an outer shield, a dielectric chamber wall, and a helical coil provided between the outer shield and the dielectric chamber wall. The plasma source assembly also includes a coil support assembly configured to facilitate repeatable performance of the helical coil. Preferably, the assembly includes a plenum cooling plate that is configured to supply cooling fluid to a first cooling rod provided within a resonator cavity defined by the chamber wall and the outer shield, and receive cooling fluid from a second cooling rod provided within the resonator cavity. The assembly preferably also includes a spacer provided between the first cooling rod and the second cooling rod, and coil insulators having holes configured to receive the helical coil.

Abstract: In a substrate processing apparatus for processing a substrate in a hermetic container equipped with an exhaust tube and a gas introducing tube, an introducing port of the gas introducing tube is positioned inside the exhaust tube to make uniform an atmosphere in the hermetic container, in the vicinity of an exhaust port of the exhaust tube.

Abstract: A method and apparatus for plasma treatment and deposition of ionized molecules on a surface of an object in a vacuum. The apparatus has a plasma treatment system including a plasma reactor chamber, an ion deposition system including an ion deposition chamber that is connected to the plasma reactor chamber, and a vacuum system for maintaining a vacuum in the chambers. The ion deposition system may include an ion guide chamber for guiding ionized molecule towards the target surface. A target guiding system moves the target surface between the plasma reactor chamber and the ion deposition chamber within the vacuum system through a gate, such that the target surface may be alternately subjected to plasma treatment and to deposition of ionized molecules without leaving the vacuum system.

Abstract: Disclosed is a plasma processing apparatus for performing a plasma processing, comprising an electromagnetic wave source for generating an electromagnetic wave, a rectangular waveguide, a plurality of slots formed in the rectangular waveguide and constituting a waveguide antenna, an electromagnetic wave radiation window consisting of a dielectric body, and a vacuum chamber, wherein a plasma is generated by an electromagnetic wave radiated from the slots into the vacuum chamber through the electromagnetic wave radiation window, the plasma processing apparatus being constructed to include an electromagnetic wave distributing waveguide portion for distributing the electromagnetic wave generated from the electromagnetic wave source into each of the waveguides, the plural waveguides being branched from the electric field plane or a plane perpendicular to the magnetic field plane of the electromagnetic wave distributing waveguide portion.

Abstract: Disclosed is a substrate processing apparatus which comprises reaction tubes (3,4) for processing multiple substrates (27), a heater (5) for heating the substrates, and gas introducing nozzles (6,7,8,9,10) for supplying a gas into the reaction tubes. Each of the gas introducing nozzles (6,7,8,9) is structured so that at least the channel cross section of a portion facing the heater (5) is larger than those of the other portions.

Abstract: A semiconductor manufacturing device according to the present invention includes a processing chamber (11), a transferring passage (12) through which a wafer is put in and taken out of the processing chamber (11), an exhaust passage (13) and exhaust lines (40 and 40?) through which a processing gas inside the processing chamber (11) is exhausted, and so on, and in order to heat the inner wall faces (11a, 11b, 12a, 13a, 410a, and 420a) of the processing chamber (11), the transferring passage (12), the exhaust passage (13) and the exhaust pipes (410 and 420), further includes sheet-like heating units (50, 60, 70, 80, 170, and 270) that sandwich and cover a thin plate-shaped resistive heating element by a pair of metal plates and cover the inner wall faces from the inner side. Thereby, the heating efficiency on the wall faces to be exposed to the processing gas increases, adhesion of by-products can be prevented, and deterioration of the resistive heating element can also be prevented.

Abstract: A bird feeder perch assembly comprising a flange and a perch rod with at least one pivot member located at a distal end; the pivot members extending axially along an axis in a direction generally perpendicular to the perch rod; where the flange has attachment means that allow it to be attached to the side wall of a bird feeder body; the flange comprising an underside portion that in use is in direct contact with said side wall of a bird feeder body; the flange having at least one recess in the underside and an aperture therethrough located adjacent the recess or between the recesses; the aperture and recess being configured to accept the perch member; a pivot member being housed within the recess and the perch rod extending through the slot, such that in use the perch member may pivot, from a retracted position in which the perch is alongside the feeder body to an extended position in which the perch projects outwardly from the body.

Abstract: The present invention relates to packaging and in particular to packaging for pet food that may also be used as an animal feeding bowl. Known containers are relatively lightweight and in consuming food from them a pet may push the bowl around during feeding resulting in inadvertent spillage of the pet food from the container. This results not only in waste of the pet food, but creates mess requiring cleaning. Packaging which may also be used as an animal feeding bowl is disclosed comprising a central bowl and a releasable lid, in which a base of the central bowl is provided with a plurality of anti-slip means formed from a hot melt adhesive. It is an advantage that such packaging is simple to manufacture and does not create additional waste requiring cleaning by, for example, a person responsible for feeding the pet.

Abstract: A collapsible birdhouse or feeder having a bottom panel, a back panel having a foldable frame member, a front panel having a foldable frame member, and a top panel. A strap or suction cups are used to secure the structure to a support or window. The front panel has an opening to allow the ingress and egress of birds.

Abstract: A child support harness for assisting children with walking, the harness having a belt adapted to circumscribe the child's midsection, the belt having a front position generally at the child's chest, a back portion generally at the child's back, a left side portion generally adjacent to the child's left hip, and a right side portion generally adjacent to the child's right hip. The harness also comprises a left support arm extending from the left side portion of the belt and a right support arm extending from the right side portion of the belt. The left and right support arms may be held by a supervisor to assist the child with walking. The support arms may also be utilized to steer the child in a supervisor-dictated direction. The support arms may extend from the belt at an angle other than zero degrees from a plane through the belt.

Abstract: A small animal harness comprising an elastically deformable chest piece that attaches at its upper portion to a pair of flexible shoulder straps and attaches at its lower portion to a pair of flexible brisket straps, the unattached ends of the shoulder and brisket straps being interconnected over the withers of the animal so that the brisket straps are slidable in the connection and adapted to be connected to a leash for control of the animal.

Abstract: The collar body is comprised of a plastic base strip and a rubbery outer layer that covers the base overall. The harder plastic base is partially exposed where fastening takes place to close the collar itself and at the pet ID tag formed integral to the collar body. A plurality of key holes are formed at both side arms of the body to fasten the free ends of the collar body the center of the body to an adjustable collar size. Located at both ends of the collar and facing toward each other are locking pins, which are extensions of the base. An engagement of both locking pins with the opposing keyholes establishes double locking of the collar ends in a handshaking relationship for added security of the collar.

Abstract: Apparatus is disclosed for discreet compact light weight pouch for training, carrying objects and clean-up of pet waste wherein the user can carry treats, unused perforated roll waste bags in top flap cover compartment, and other items in another. The StylePouch is configured for independent use. A removable adjustable strap is provided and attached clip which functions to carry the pouch five different ways. Start-up accessories are included. The main compartment of the apparatus is the open and close pet paw to retrieve treats from the apparatus and insert a picture or ID that is protected by a clear plastic with lining to separate treats and contents. There is also a D-ring affixed to the back of the clip to attach miscellaneous objects.

Abstract: The invention relates to a continuous steam generator wherein an evaporator throughflow heating surface is disposed in a gas duct which can be cross flown in an approximately vertical manner in a heating gas device, said evaporator throughflow heating surface comprising a plurality of parallel connected steam generating pipes enabling a flow medium to flow through, also enabling particularly high operating stability and security during the supply of the flow medium having a comparatively high mass flow density.

Abstract: A display device is provided with a humidifier and includes a base (1), a support (2) and a display body (3). The humidifier is formed on the base, and includes at least one liquid holding portion which holds liquid therein for evaporation.

Abstract: A water heating system has a tank, a first heating element, a first temperature sensor, and a controller. The first heating element is mounted on the tank, and the controller is electrically coupled to the first temperature sensor. The controller is configured to detect a stacking condition based on the first temperature sensor and to disable the first heating element in response to detection of the stacking condition.

Abstract: The present invention is directed towards a water heater having a combustion chamber and a water tank positioned adjacent to the combustion chamber. The water tank has a flue tube extending through or surrounded by the water tank and has an upstream end positioned to receive combustion gases from the combustion chamber and a downstream end positioned to exhaust the combustion gases. The flue tube also has a wall that extends between the upstream and downstream ends. The wall of the flue tube has an inner surface defining a combustion gas passage and an outer surface positioned to contact water received in said water tank. The walls have convolutions along at least a portion of their length and are configured to reduce laminar flow of the water adjacent the outer surface of flue tube, thereby providing increased heat transfer between the combustion gases in the flue tube and the water in the water tank.

Abstract: A gas turbine installation (1), in particular in a power plant for generating electricity, includes a turboset (2) having a turbine (4), a compressor (5) and a combustion chamber (6) arranged in a gas path (9) connecting the compressor (5) to the turbine (4), and a flue gas recirculation device (3), which passes combustion flue gas from the turbine (4) from a flue gas path (14) connected to the turbine (4) via a recirculation path (16) to a fresh gas path (13) connected to the compressor (5). To improve the efficiency of the gas turbine installation (1), a control device (17) controls a volumetric flow and/or a temperature of the recirculated combustion flue gases in such a way that a fresh gas/flue gas mixture which enters the compressor (5) is at a predetermined desired temperature.

Abstract: A cooling apparatus for an engine is provided with a thermostat operating in such a manner as to control a supply of a coolant to a radiator. An electronic control apparatus estimates a reference temperature corresponding to a temperature of the coolant on the basis of at least a vehicle speed, and diagnoses an operating state of the thermostat on the basis of a comparison between a detected value of the coolant temperature and the reference temperature. The electronic control apparatus inhibits the diagnosis of the operating state of the thermostat in the case that any one of the following conditions i) to iii) is satisfied.

Abstract: A heat dispensing device for a cylinder includes a plurality of curve fins and each fin has a first end axially extending from an outer surface of the cylinder body and a second end of each of the fins has a Y-shaped distal end which increases the area for dispensing heat. The fins extend clockwise or counter clockwise to guide airflow to smoothly pass through the gaps between the fins.

Abstract: A heat dispensing device for a cylinder includes a plurality of fins extending from the cylinder body and each fin has a first end horizontally extending from an outer surface of the cylinder body and a second end of each of the fins has a fork-shaped distal end which includes two protrusions in axial direction so as to increase the area for dispensing heat. There are gaps defined between fins such that airflow may pass through the gaps between the fins to bring heat from the cylinder body.

Abstract: An internal combustion engine includes a slide body having a plurality of rigidly mounted pistons on opposite ends of the slide body. The slide body reciprocates and is connected to a flywheel by shaft and bearing which extends through an angled track in the slide body. As the pistons impart linear movement to the slide body, the flywheel and a drive shaft rotate. Both the slide body and the flywheel are mounted on the interior of the engine. Magnets on the flywheel rotate relative to stationary coil conductors to induce a current. The housing includes four panels, which can be easily assembled and disassembled, which form a housing compartment in which the linearly movable slide piston subassembly and the rotating flywheel are positioned.

Abstract: The invention relates to the structure of internal combustion engine without a connecting rod and a method of its construction. The proposed method of construction describes the consecutive steps in creating the engine and allows the creation of internal combustion engine without a connecting rod with six and more even number of arc-like units (6) whereat the heating of the opposite arc-like units (6) in the center O1 of the engine is removed. The complex mounting and dismounting of the engine shaft is eliminated too, because according to the invention the engine shaft is not articulated of several details, but it is whole, uncut. Besides, the possibility is obtained for a change of the revolutions of the engine shaft (11) without reductor in one and the same stroke frequency of the pistons (3) movement by changing only the number of working cylinders of the engine.

Abstract: Even in a construction in which fuel injection valves for eight cylinders are energized by two EDUs, a sufficient charging time for each EDU can be ensured. In an eight-cylinder engine including fuel injection valves provided one for each cylinder of the eight-cylinder engine for injecting fuel thereinto, a first valve drive unit for driving four of the eight fuel injection valves to open and close by energizing these four fuel injection valves; and a second valve drive unit for driving four fuel injection valves other than the first-mentioned four fuel injection valves to open and close by energizing the second-mentioned four fuel injection valves, both of the valve drive units drive those fuel injection valves which are provided on cylinders for which combustion and expansion strokes occur at equal intervals.

Abstract: A power-generation device comprising at least one cylinder, at least one cylinder head, at least one piston and an output shaft, having a central axis having a fixed angular relationship to the central axis of the cylinder. A swash plate, having a first swash plate surface having a normal axis disposed at a first fixed angle to the central axis of the output shaft, is fixed to the output shaft. At least one connecting rod is connected to at least one piston. At least one follower is secured to the second end of a connecting rod. The first follower surface contacts, and conforms to, the orientation of the first swash plate surface.

Abstract: A cooling mechanism for a rotary valve cylinder engine 1 comprising a rotary valve cylinder 3 rotatably mounted within an outer cylindrical valve element 8, the rotary valve cylinder 3 and the outer cylindrical valve element 8 each being formed with a respective valve port 51, 71, 81, the rotary valve cylinder 3 being rotatable relative to the outer cylindrical valve element 8 to a position in which the ports 51, 71, 81 are aligned, the cooling mechanism comprising fluid passages 11, 28 formed in the rotary valve cylinder 3 and the outer cylindrical valve element 8 through which, in use, cooling oil flows.

Abstract: An internal combustion engine having an intake channel that opens into a crankcase. A first fuel channel opens into the intake channel to supply fuel thereto as a function of underpressure in the intake channel. An auxiliary channel opens into a transfer channel that fluidically connects a crankcase to the combustion chamber. A second fuel channel opens into the auxiliary channel and is connected to a storage reservoir for fuel. At least one valve controls the quantity of fuel to be supplied to the engine via the auxiliary channel. Largely fuel-free air is supplied to the engine via the intake channel during idling. During a first revolution of the crankshaft, fuel is supplied via the auxiliary channel, so that a combustible mixture can form in the combustion chamber. During a second revolution, largely fuel-free air is supplied via the auxiliary channel and the combustion chamber is scavenged with largely fuel-free air.

Abstract: A cylinder for a two-stroke engine has a cylinder wall defining a cylinder interior. A cylinder head closes of a combustion chamber in the cylinder interior. An exhaust is connected to the cylinder interior. At least one transfer passage having a transfer port opens into the cylinder interior. The at least one transfer passage is disposed in the cylinder wall for connecting a crank case of the two-stroke engine to the combustion chamber. The at least one transfer passage has at the level of the transfer port at least one flow deflecting rib having a radial spacing from the transfer port in a radial outward direction relative to a longitudinal cylinder axis.

Abstract: The invention relates to valve train of an international combustion engine, which comprise axially displaceable cam elements. The inventive valve train is characterized in that one cam element comprises at least two cams which in turn comprise at least two cam tracks. The first cam and the at least second cam of a cam element differ in at least one cam track.

Abstract: A lift-variable valve-operating system for an internal combustion engine, comprising: subsidiary cams which are swingably supported on a movable support shaft capable of being displaced within a plane perpendicular to a rotational axis of a valve-operating cam, and which are swung following the valve-operating cam; and rocker arms each operatively connected to an engine valve and operated following the subsidiary cams, operating characteristics including a lift amount of the engine valve being changed by displacing the movable support shaft, wherein the system further includes a control arm carried in an engine body to be capable of turning about a turning axis parallel to a rotational axis of the valve-operating cam, wherein the movable support shaft having an axis parallel to the turning axis of the control arm is retained on the control arm at a location offset from the turning axis, wherein a hydraulic tappet is mounted in the control arm to support one end of each of the rocker arms, and wherein a valve

Abstract: The invention relates to a valve drive of an internal combustion engine, comprising at least one camshaft whereon at least one cam carrier is arranged in a rotationally fixed and axially displaceable manner. Means for applying axial tension are formed between the at least one camshaft and the at least one cam support, thereby enabling the at least one cam support to be fixed in an axial manner.

Abstract: A valve system lifter for combustion engines includes a hard metal face pad connected to a lower-grade metal lifter body. The connecting material is one or more materials that are different from both the lifter body and the face pad. Preferably, the connecting material is a silver-and copper-containing material, that may take the form of a wafer with silver or silver alloy layered over a copper alloy core. The preferred body includes one or more ferrous compounds, and the preferred face includes tungsten carbide. The resulting lifter is resistant to the cracking, breakage, and wear that plague conventional lifters, due to the harsh temperature and impact environment of the lifter. The resulting lifter may be used to reduce the need for change-out and down-time in many engines.

Abstract: An internal combustion engine with improved efficiency provides continuous variable displacement and/or compression ratio tuning to one of a number of fuel types to be used by the engine. By varying displacement without changing the compression ratio, the engine can be tuned to operate on a given fuel more efficiently according to the load demands on the engine. By varying the compression ratio, the engine can be converted for use with the most economical fuel type available. The engine can be of a radial configuration with an offset crankshaft and a common cam throw-piece that can be positioned on the crankshaft to change the stroke and/or compression ratio affected by one or an array of pistons. An onboard electronic control can be used to detect engine efficiency, change engine displacement and/or compression ratio, change fuel supply, and compute fuel economy.

Abstract: A cover arrangement of a hand-held power tool has a cover having at least one fastening element for connecting the cover to an additional component of the power tool. The cover has a wall component having a shape-elastic yielding support forming a monolithic part of the cover. The at least one fastening element is arranged on the support.

Abstract: A method of operating an engine system should produce relatively low concentrations of various emissions without compromising a desired power output of the system. In order to operate an engine system of the present disclosure, a predetermined total amount of fuel injected into at least one combustion chamber is apportioned into at least a first amount and a second amount of fuel. The first amount of fuel is injected into the at least one combustion chamber during non-auto ignition conditions. The second amount of fuel is injected into the at least one combustion chamber during auto-ignition conditions. When the engine system is in a mid-low engine load range, the second amount of fuel is one of equal to or less than 15% of the predetermined total amount of fuel. When the engine system is in a high engine load range, the second amount of fuel is greater than 15% of the predetermined total amount of fuel.

Abstract: A propulsion system for a watercraft includes an engine. An air intake device delivers air to a combustion chamber. A throttle valve regulates an amount of the air. A control device sets the throttle valve to a desired position. A remote controller provides the control device with the desired position. The engine can include an auxiliary intake device that delivers supplemental air to the combustion chamber. A control valve normally shuts the supplemental air from the combustion chamber. The control device determines whether an abnormal condition occurs in setting the throttle valve to the desired position. The control device determines whether the amount of the air is insufficient. The control device controls the control valve to allow the supplemental air to move to the combustion chamber when the control device determines that the abnormal condition occurs and the amount of the air is insufficient.

Abstract: An ignition circuit is for an internal combustion engine in a handheld portable work apparatus. A combustion chamber (4) is configured in the cylinder (3) of the engine (1) which is delimited by a piston (5) driving a crankshaft (7). An electromagnetic induction loop (13) and a pole wheel (10) are provided. The pole wheel (10) revolves with the crankshaft (7) and is assigned to the induction loop (13). The pole wheel (10) periodically changes the magnetic flux in the induction loop (13). An ignition capacitor (16) is charged by a charge coil (14) of the induction loop (13) and is discharged via a discharge circuit (15) via an ignition coil (17). The ignition coil (17) is connected to a spark plug (19) projecting into the combustion chamber (4). For achieving a powerful ignition spark, the discharge of the ignition capacitor (16) is prevented by an rpm evaluation circuit (23) when the rpm curve (30) exhibits an rpm change (?n) which exceeds a pregiven threshold value.

Abstract: In an energy-saving high-pressure fuel supply control device for sucking a low-pressure fuel via a flow rate control valve and supplying high-pressure fuel acquired by pressurizing the sucked fuel to a fuel rail, at a time point that is logically decided from a bottom dead center and at which the pressure of the high-pressure fuel rises to a pressure to hold closing of the flow rate control valve, energization of the flow rate control valve is ended to restrain energization energy to the flow rate control valve. The time point when the energization of the flow rate control valve is ended is deviated toward lag side in advance by a time that causes deviation of the bottom dead center of the plunger toward the lag side from the original bottom dead center.

Abstract: There is provided an internal combustion engine that uses a blended fuel consisting of hydrocarbon and alcohol, and can efficiently operate relative to a wide range of required load. The internal combustion engine includes: intake ports 4a and 4b and two injectors 5a and 5b. The injectors include a first injector 5a that injects a hydrocarbon fuel and a second injector 5b that injects an alcohol fuel. An optimum combustion mode is selected according to an operation state, and the ratio of the alcohol is properly adjusted according to the combustion mode. The intake ports includes a first intake port 4a that guides the hydrocarbon fuel to an inner peripheral portion of a combustion chamber, and a second intake port 4c that guides the alcohol fuel to an outer peripheral portion of the combustion chamber to control octane number distribution in a cylinder.

Abstract: A vehicle fuel system includes a fuel vapor recovery canister containing a carbon bed configured to capture hydrocarbon material associated with fuel vapor discharged from the fuel tank into the canister. A purge vacuum is applied to the canister to draw fuel vapor carrying reclaimed hydrocarbon material from the canister into an intake manifold coupled to an engine so that the reclaimed hydrocarbon material can be burned in the engine.

Abstract: A cooling device for a fuel-recirculation circuit from the injection system to the tank of a motor vehicle comprises a pipe, which is designed to be traversed by the fuel and comprises a side wall which has at least one internal projection obtained by plastic deformation of the side wall.

Abstract: A control unit for controlling a supercharging system connected to an internal combustion engine for providing a higher air pressure in the air inlet to the engine, is described, said engine being controlled by an engine control module, said control unit arranged to receive a control signal from the engine control module indicating a desired air inlet pressure to the engine and to receive from the supercharging system a pressure signal representing a current air pressure generated in the supercharging system and to control the function of the supercharging system in dependence of the control signal and the at least one air pressure signal. Other control units, for example, for the batteries, may be added to the system to achieve a distributed control system.

Abstract: The Speargun Half-wrap is a new invention for spearfishermen that holds a half-wrap of speargun shooting line.