Abstract: The method of the present invention fabricates a plurality of composite structures so as to permit the reliable recovery of leads embedded within respective ones of the composite or smart structures. In this regard, the method of the present invention permits a plurality of composite structures to be fabricated, such as by means of a continuous pultrusion process, while enabling the leads to be recovered without interrupting the pultrusion process and without damaging the resulting composite structures. Correspondingly, a composite structure is provided according to the present invention which has a protective sleeve surrounding the portion of the lead which extends through the end of the composite body. As such, the protective sleeve protects the lead during the fabrication process by protecting the lead during the separation of the composite structures and the recovery of the embedded lead.

Abstract: Inspection apparatus is disclosed for providing a visual indication of the proper merger of the conductive pins of an electrical component in the corresponding openings in a printed circuit board. The apparatus includes an inspection plate which has a plurality of channels defined between first and second opposite faces. In the channels are mounted a plurality of inspection pins which move between a first, rest position (countersunk with respect to the top surface of the inspection plate) and a second, extended position (flush with the plate's top surface). The inspection pins in the plate correspond in number and configuration to the component conductive pins but have a greater cross sectional area than that of the conductive pins. When the component is merged with the printed circuit board, each connector pin passes through the corresponding circuit board opening and pushes against the corresponding inspection pin to cause it to move to the extended position.

Abstract: A heat exchanger includes a tank having a pipe insertion hole disposed in a tank wall and a fluid pipe connected to the tank wall for introducing a fluid into the tank or discharging the fluid from the tank. The tank wall has a burr formed around the pipe insertion hole extending toward an interior of the tank. The fluid pipe has a flange formed on its periphery by bending the fluid pipe onto itself. An end portion of the fluid pipe is inserted into the pipe insertion hole so that the flange contacts an outer surface of the tank wall, and the inserted end portion is expanded and caulked together with the burr. A brazing material may be fixed between the flange and the tank wall during brazing even during vibration. The length of the pipe inserted into the tank may be minimized. The contact area between the fluid pipe and the tank is thereby enlarged.

Abstract: The slow production rates associated with cutting machines for cutting extruded metal tubing to length are avoided in an apparatus that continually cuts extruded metal tubing (46) and which include a reel (44) for providing a coil of (42) of metal tubing (46) to a cutting nip defined by rollers (66) carrying scoring knives (68). The tubing is continuously moved through the nip by a continuously operated set of feeding rolls (70) and then passed to a set of pull rolls (74) which are driven at a more rapid rate to place the tubing (46) in tension to cause it to be severed where scored. Also disclosed is a method of continuously cutting extruded metal tubing.

Abstract: A process for manufacturing a spool valve whereby a plurality of quenching processed collars are fitted to a shaft material so that the collars are arranged at predetermined positions on the shaft material. The collars have respective substantially central holes through which the shaft material extends. The diameter of portions of the shaft material is contracted in a vicinity of both opposite ends of each of the collars by rolling dies so as to cause plastic flow of a metal constituting the shaft material. Pairs of circular convex portions are then formed on outer circumferential faces of the diameter contracted portions of the shaft material.

Abstract: A housing for differential mechanism is formed in two pieces using a cold flow-forming process. Each of the housing portions is formed with an internal hemispherical surface, and semi-circular recesses, which when aligned form circular recesses within which a pinion shaft is seated. A subassembly that includes the pinion shaft, pinion gears, side bevel gears, and a thin plastic liner surrounding the subassembly is located within a lower housing portion so that the pinion shaft is seated in the recesses. The upper housing portion is inserted within the upper portion and welded. A ring gear is joined to a housing portion.

Abstract: An energy-efficient grinding roll for employment in a pulverizer operative for effecting the pulverization of solid material therein. The energy-efficient grinding roll includes a body portion formed of a first type of material, an external surface formed of a second type of material, and tread-like means of preestablished dimensions and preestablished spacing provide on the external surface such that the energy-efficient grinding roll is capable of achieving as much as a 15% reduction in the energy required to pulverize solid material when compared with the use of standard grinding rolls.

Abstract: A peg board panel for supporting a bracket or other generally available hanging element. The panel is comprised of a fabricated metal panel having a front surface, a side surface, a rear surface, and an array of holes extending through the panel. The holes are first punched and then extrusion formed to create an upstanding annular flange extending away from the rear surface of the panel by a predetermined distance or extent. A bracket having a hook is supported by the panel by extending the hook through the hole. The annular flange strengthens the panel and provides a rigid support for the bracket. The hook also has an extent which is equivalent to the predetermined extent of the flange so that no play exists between the bracket and the panel, eliminating brackets that sag or pull out of the panel. The panel diametrical hole sizes and spacing can be varied along the panel.

Abstract: A individual, unattached framing stud comprises a wooden, elongate framing member having at least one through-hole for receiving a service line, such as electrical wiring. A metal safety or protective plate is preferably secured to a side edge of the framing member at a position transverse to the through-hole, so as to prevent the penetration of fasteners or the like which might otherwise damage the service line received in the through-hole. The framing stud is constructed by forming at least one through-hole in the framing member and securing the safety plate in position prior to affixing the framing stud within the frame of the structure.

Abstract: A blade stabilizer device for a heavy-duty material handling demolition tool for shearing and crushing scrap material which includes a lower jaw connected to the boom structure of a hydraulic system of an excavator and has an upper jaw pivotally connected and closeable upon the lower jaw at a pivot point. The blade stabilizing device consists of a wear guide pad supported by the lower jaw adjacent the pivot point slidably engaging the upper movable jaw to keep the upper jaw in close engagement with the lower jaw. The wear guide pad is mounted behind the pivot point. A second wear guide pad may be mounted in front of the pivot point on the opposite side of the upper jaw to cross-brace the upper jaw.

Abstract: A cutting interment (10) for use on multi-strand plastic fiber materials. Opposed handles (22a and 22b) on arms (18a and 18b) may be manually operated to close jaws (14a and 14b) with a cavity (42) for crimping. At the base of the cavity (42) are cutting edges (52a), which employ heat from either heating elements (54a and 54b) or an external source to cut and simultaneously cauterize the cut ends. Optional reliefs (44 and 46) may also be provided to contain and focus the heat at the cavity (42) and thus efficiently apply it specifically to the working material.

Abstract: Filler spatula/plane made of plastic for removing material from surfaces that are to be repaired by means of a filler. The filler can be introduced as before using the filler spatula/plane, whereby at the same time, there remains enough space in the working device for a cleaning tool for the surface of the spatula and for a device that is suitable for removing the excess material in the intact area around the damaged site. The filler spatula/plane has ribs on the outside which are elevated out of the plane of the outside and run across the longitudinal edge with a spacing between them, and between the two insides of the broad sides, it has a removable tool for at least cleaning the ribs and the interspaces between the ribs. In addition, a nonwoven emery cloth can also be arranged between the two insides.

Abstract: This cutting line intended to trim and cut vegetation can be used in rotary-head implements such as brush cutters and edge trimmers. The cutting line consists of a core made of biodegradable and/or photodegradable substance which is covered with a coating or "skin" made of a synthetic substance such as polyamide or polyurethane, forming the exterior surface of the line. Such a line can thus be broken down more rapidly after use, while at the same time retaining excellent mechanical qualities while it is being used.

Abstract: A chain saw guide bar including a chain tightening mechanism. A shaft or rack slidable within the bar body includes a head portion slidable rearwardly against a bar mounting stud. The head portion resides between opposed edges formed in the bar body and the head portion includes fingers that straddle the mounting stud. Rearward sliding of the shaft or rack against the stud produces a lateral force urging spreading of the fingers to produce wedging of the fingers between the opposed edges and the stud. Such wedging of the fingers produces resistance to return sliding of the shaft and retains the tightened condition of the chain.

Abstract: A head tracking system 10 comprises a radiation emitter 18 and a radiation sensor 16 connected to a tracking processor 12. The emitter 18 has an output 46 producing radiation with spectral peak in the range 1000 nm to 1100 nm from a conventional LED 40 with a spectral peak in the range 500 nm to 900 nm in combination with a photoluminescent material 42.

Abstract: A tool presetting device comprises a carrier device for rotatably holding a tool. The tool is received in a bearing bushing which defines a bearing axis and provides a rotationally symmetrical bearing surface wherein said tool is enabled to be rotated in a desired measuring and setting position. An air suspension can be built up for enabling rotation of the tool. To this end, a source of pressurized air is provided which enables a certain throughput of air. At least one air outlet opens at the bearing surface, while receiving pressurized air from the said source. A switching device either admits or prohibits access of pressurized air to the air outlet. A throttle valve is connected to the source of pressurized air for limiting the throughput of air.

Abstract: An apparatus, system, and method for bore sighting a gun. A hollow shell casing is attached to a single light source and then placed in the breech of a gun. Light is projected from the gun onto a pre-calibrated target. The user is then able to adjust the gun sights accordingly. There are a plurality of shell casings interchangeably mountable to the single light source, enabling the user to sight in a variety of guns using only one system. The shell casings may be the same shape as standard shells for the type of gun being sighted in.

Abstract: Disclosure relates to an effective, yet inexpensive range finder and sight guide for an archer's bow, particularly for hunting of game, such as deer. The device thereof includes a frame, removably mounted to the archer's bow, having a pair of vertically oriented guide rails for slidably receiving a slide member. A pair of pivotal arms are rotatably mounted to the slide member, where each arm fixedly mounts a horizontally disposed range pin. By manually adjusting the slide member, the respective range pins may be moved closer or farther apart to accurately define the intended game target. Further included is a horizontally disposed sight pin, fixedly secured to the slide member, that remains intermediate to and parallel with the range pins irrespective of the vertical position of the slide member.

Abstract: A transparent measuring device for topographical maps is graduated for converting a particular map scale in units of yards and/or fractions of a mile. The measuring device has a substantially rectangular body having a first, second and third top face, a first and second side surface and a bottom surface. The third top face is disposed between said first and second faces as a distinct magnifier. The first top face has a graduated scale including indicia for designating a measuring scale in units of yards. The second top face has a complimentary graduated scale including indicia for designating a measuring scale in units of miles which is directly correlated with measurements made in units of yards on the first face by a scalar conversion factor. A plurality of the measuring scales are attached at single point as and forms a unitary kit of measuring devices for measurements requiring different scales.

Abstract: An apparatus for positioning a workpiece guiding fence relative to a rotary cutter projecting through the top surface of a work table, comprising a plurality of major components, primarily formed by aluminum extrusions, including a base element securable to the work table surface and having upstanding guiding ribs, an elongated hollow carriage slidably mounted on said ribs and defining a partially cylindrical elongated recess mounting an elongated lead screw. A fence is secured to one end of the carriage. A threaded segment is mounted on a force transmitting element which is moved laterally to engage the threaded segment with the lead screw by a pivoted camming lever having three positions. In the first position, the threaded segment is disengaged from the lead screw, permitting unrestricted longitudinal movement of the carriage relative to the base.

Abstract: A length correction device includes a rail including two side plates formed with two elongated slots and two fixing blocks fixedly mounted between said side plates, a seat including a main body, a collar, a packing and a knob, a rectangular block formed with a threaded hole and a recess at one side thereof and two pin holes and a threaded hole at a lateral side thereof, and a positioning plate fixedly mounted on said rectangular block.

Abstract: A hair dryer holder for holding a hair dryer so that a user's hands are free to perform other acts. The hair dryer holder includes a base and a generally U-shaped holding bracket adapted for holding a hair dryer. An adjustably extendable extension member connects the base to the holding bracket. The extension member has an extended position and a retracted position. The holding bracket and the base is positioned closer together when the extension member is positioned in the retracted position than when the extension member is positioned in the extended position.

Abstract: A dehydrating apparatus includes a chamber for receiving wet material to be dehydrated. A rotatably-mounted agitator is provided with the chamber. The agitator is adapted to agitate material in the chamber when the agitator rotates in a first direction and convey the material out of the chamber when the agitator rotates in the other, second direction.

Abstract: An object of the invention is to provide a rotary type heat treatment device wherein, when a material to be sintered is continuously and stably sintered in a container, the material in the container is stably detected for a long period of time, and a temperature control method for the device. In order to perform temperature control with high accuracy, the inside of a container 6 is divided with screws 18 into temperatures control regions (1) through (6). Heat-resisting protective tubes 20, which are provided on the inner cylindrical wall of the container in such a manner that they are juxtaposed, and complementary thermocouples, are extended to the respective temperature control regions and are bent laterally. The temperature detecting sections 25 of the thermocouples that are led out of the protective pipes 20 are covered with heat-resisting material, and transmit electrical signals outside through a current collecting section consisting of a slip ring and brushes.

Abstract: An effect is induced within a chemical system consisting of at least two substances having differing degrees of microwave transparency, by exposing the mixture to focused microwave energy having a generally uniform energy density level, and an energy density at a level exceeding the capacity of at least one of the substances to dissipate the energy as thermal energy. The treatment is carried out until the thermodynamic state of the system is in a non-equilibrium state. The rate at which the effect is carried out is substantially increased over that which would be expected under equilibrium thermodynamic conditions. The effect may consist of an exothermic or endothermic chemical reaction or a separation process including a volatilization process.

Abstract: A method in a dryer section of a paper or board machine for controlling curl of paper, in which steam treatment and/or moistening of the paper web is/are employed. The operations carried out in order to control the curl of the paper web are carried out in a number of stages when the web temperature is, during at least one stage, lower than 85.degree. C., preferably lower than 75.degree. C., and when the dry solids content of the web is in the range of K1-K2, wherein K1 is the ultimate dry solids content of the web -7% and K2 is the ultimate dry solids content +3%.

Abstract: An improved cushioning assembly is provided in which separate, independent cushioning elements are loaded into a pocket of the sole assembly of the shoe. By providing separate and independent cushioning elements, greater variation of the performance of various regions of the shoe can be provided, by utilizing cushioning elements having variations in one or more of their size, shape, orientation, material properties, and amount of precompression. As a result, different regions of the shoe can be better tailored for a particular activity or a particular user. In addition, by providing separate independent cushioning elements, the cushioning elements can be more closely packed as compared with, for example, prior cushioning elements formed as contiguous sheets. With the enhanced ability to more closely pack the cushioning elements, the cushioning elements can better transfer forces laterally, to better absorb and dissipate the forces.

Abstract: A footwear sole comprises a foot-shaped sole of a relatively cushioned, low density polymer foam, with a higher density, harder midfoot shank portion integrally fused within it. The sole may be a unitary footwear sole or may have an outsole or insole adhered thereto. A method of manufacture of the sole comprises forming a polymer foam sole piece, stamping out a portion of the midfoot, forming a shank of higher hardness polymer foam to fit the stamped-out midfoot portion of the sole piece, fitting the shank into the sole piece, and hot compression molding the sole piece and shank to form a unitary, integral sole. The sole of the invention is particularly useful as a sandal sole.

Abstract: A gliding shoe having an upper and a sole in which a sliding zone is obtained. At least one referencing arrangement is obtained on the upper in correspondence with the sliding zone. The referencing arrangement enables the user to use his/her eyes to place the shoe in the position that is best suited to the alignment of the sliding zone with the long support on which he engages to glide.

Abstract: By analyzing the force which acts during actual running from a bio mechanical perspective and determining the most preferable positions of spikes on the shoe sole, spikes can be arrayed only in necessary positions and not in unnecessary positions so as to further lessen weight and also provide rigidity to the region wherein spike placement is voided, so as to deal with unwanted flexion of the shoe sole. A shoe sole for spiked track-and-field athletic shoes has spikes located only in positions corresponding to the heads of the metatarsals and in positions corresponding to the distal phalanxes. The shoe sole regions between the spikes arrayed in positions corresponding to the heads of the metatarsals and in positions corresponding to the distal phalanxes are provided with an appropriate rigidity.

Abstract: A steerable plow configured for towing in a direction along a seabed comprises a body and a soil cutting member slidingly connected to the body. The soil cutting member defines a cutting vane for cutting a trench in the seabed. The body includes two skids and a cross member spanning the two skids. The skids are spaced apart from each other and from the soil cutting member to stabilize the plow. A motive element is included to move the soil cutting member relative to the body, and a steering control receives commands from a remote location to control the motive element. At least one towing member is included to attach the plow to a tow cable.

Abstract: To compact soil, an impact apparatus includes a weight within a steel frame that may be carried by a vehicle mounted backhoe and placed over the surface to be compacted or broken. The weight is lifted and released by a cable. To pull the cable, a hydraulic cylinder pushes one set of pulleys upwardly away from another set with the upper set of pulleys including five pulleys and the lower set including four pulleys to provide a multiplication factor. The end of the cable opposite the end attached to the weight is attached to the movable pulleys, all of which are mounted at an elevation higher than the fixed pulleys so that the pulley assembly, the attached cable end, the hydraulic cylinder ram and piston, and the weight fall downwardly under the force of gravity.

Abstract: It incorporates a metallic plate (2) in the lever arm (1) which triggers the transfer plate (4) electromagnet (3), fixing the arm (1) previously positioned by the spring (10) and which presses with the iron (5) towards the transfer base (6), at the same that the countdown is started in the front (8) meter (7) of the machine, with an electromagnet (3) disconnection timer (9) and the automatic opening of the iron.

Abstract: A dual appliance for steam treating garments having a central reservoir and an electrical water pump to supply water to a steamer or a steam iron. Separate braided flexible cables supply water and power to the steamer and to the steam iron, to which the respective cables are respectively permanently connected. Plugs are provided at the ends of the cables for connection to a socket.

Abstract: The invention improves the reliability and efficiency of the burning of a synthesis gas as a fuel for a combustion turbine to produce power by incorporating a synthesis gas expander immediately upstream of the combustion turbine. Increased efficiency occurs from the additional power output from the expander and by a reduction or elimination of nitrogen compression from an air separation unit for the control of oxides of nitrogen.

Abstract: A crystal ball water sealing structure includes a hollow, transparent, spherical water container having a neck and an inside annular groove within the neck, a rubber stopper plugged into the neck of the spherical water container to seal the spherical water container in a water tight condition, the rubber stopper having an outward flange forced into engagement with the inside annular groove in the neck of the spherical water container and an inside annular groove, and a spring element mounted in the inside annular groove in the rubber stopper, the spring element imparting an outward pressure to the rubber stopper, causing the rubber stopper to expand radially and to engage with the periphery of the neck of the spherical water container so as to prevent a water leakage.

Abstract: A changeable image display device that has a front panel and a back panel forming an envelope open at one end. The front panel has first and second spaced windows and the back panel has a first image thereon in alignment with the first window of the front panel. A stationary transparency is fixed between the front and back panels and has second and third visual images thereon. A slidable V-shaped insert in the device moves between recessed and retracted positions and has first and second legs straddling the stationary transparency. A third window in the first leg of the V-shaped insert exposes the second visual image in the recessed position and exposes the third visual image in the retracted position. The second leg of the V-shaped insert covers the first visual image in the recessed position and exposes the first visual image in combination with the second visual image in the retracted position.

Abstract: A display device for converting a pole into a simulative product display comprising first and second body elements each with an outer surface simulating in three dimensions a portion of a product to be advertised and together simulating in three dimensions and throughout 360 degrees an entire product to be advertised and further comprising an elongate member for fastening the first body element and the second body element about a pole. A substantially rigid reinforcing member may be disposed within an open inner volume of the display device. The reinforcing member may have an aperture therein with an impact absorbing member disposed therewithin. An open inner volume of the impact absorbing member may be occupied by a disparate impact absorbing material such as particulate matter or liquid.A retaining base with a base floor and an annular retaining wall disposed at the periphery of the base floor base may be provided for retaining a bottom end of the first and second body elements.

Abstract: A marker and method for use on roads for locating underground utilities utilizing a flexible tile (A) constructed of front and backing layers of fused plastic having openings (B) for receiving screws (C) extending into corresponding holes drilled in the road surface for holding the tile while an adhesive backing sets and for assuring affixation thereafter. Suitable symbols (D) are formed into the tile by grinding away the front layer. All the components may be provided in a package utilizing a box or other container.

Abstract: A flex holder for retaining a flexible sign face material to a sign casing. The flex holder comprises a body having a longitudinal axis and a hinge extending along the longitudinal axis. An elongated tongue is connected to the hinge and a groove is formed in the body along a projection of the tongue about the hinge. The tongue has a pair of notches therein such that when the tongue is bent over a flexible sign face material and engaged in the groove, the flexible face material is held transversely to the body by an engagement of the tongue and groove and is held longitudinally to the body by a friction of the flexible sign face material between the notches and the groove.

Abstract: A display device is attachable to a fluid filler gun. A carrying body attaches to a gun head of the fluid filler gun. A frame attaches to an upper portion of the carrying body, the frame and an upper surface of the upper portion defining a display portion. A placard is removably mounted to the display portion. The upper surface of the placard presents a three-dimensional image. The image can either be a molded image projecting through an opening defined by the frame, an embossed image, or a hologram having a three-dimensional optical effect.

Abstract: A flexible photo album has a flexible front cover, a flexible back cover and a plurality of pages disposed between the front and back covers. Each page has a front section and a back section coupled together by a fabric seam to form a pouch for holding photographs or other substantially flat objects. A portion of at least the front or back sections of the page is substantially transparent to allow the object within the pouch to be viewed through the front or back section.

Abstract: A replacement centerfire bolt assembly for a rimfire rifle having a two-piece bolt with a detachable bolt head assembly and a method for modifying a bolt are disclosed. In accordance with the method, the bolt is first removed from the rifle, and then the rimfire bolt head assembly is removed from a remainder of the bolt. Next, a centerfire bolt head assembly is attached to the remainder of the bolt in place of the rimfire bolt head assembly. This centerfire bolt head assembly includes a bolt head having a central longitudinal axis, a cartridge end, a striker end, and an exterior size and configuration functionally identical to a size and configuration of a rimfire bolt head of the rimfire bolt head assembly. A bore is provided along the central longitudinal axis of the bolt head, with this bore including an enlarged recess adjacent the striker end. A one-piece centerfire firing pin is located in the bore of the bolt head, which firing pin is longer than the bore.

Abstract: The invention comprises an alignment element for a multiple channel sight and method. In accordance with one embodiment of the invention, an alignment element (456) may comprise a first prism (492) and a second prism (494). The second prism (494) may be disposed proximate to the first prism (492). An adjustment device (506) may rotate the first prism (492) with respect to the second prism (494) to deviate an image of a first channel (54, 56) at an image plane (300).

Abstract: A fishing rod has a lighted rod tip. The rod tip is produced from a clear or translucent plastic and has a hole in it in which an LED is potted. The conductors to the LED extend all the way through the hollow shaft to batteries in the handle and a switch beyond the handle in a sub-base assembly thereto. The sub-base assembly screws on and off the handle as needed for changing the batteries. The sub-base assembly also forms a compartment for housing the switch. The switch is operated by pushing hard on a thick resilient butt cap, which covers the very butt end of the rod. Hence the switch is well protected against inadvertent operation, shocks, and weather and water. The electrical system as a whole is housed within interior spaces inside the rod, safely protected from water even if the rod were dropped in water.

Abstract: The present invention discloses an apparatus for a fishing lure which can be used in various situations. The body of the lure has a lower flat portion 21 which is elongated and is paddle shaped having the larger portion of the lure 23 oriented toward the front of the lure. The flat lower portion 21 of fishing lure 10 has a top surface 44 and a bottom surface 22 having apertures 48 attached on its edges in which fishing hooks 58 of various types can be attached. The flat surface has an upright standing fin 46 attached on its upper surface 44 with the fin 46 having multiple apertures 52 on its upper edge for receiving the fishing line 20 which causes the lure 10 to travel in different angles in the water as the line is attached to the different apertures 52. The upright standing fin 46 also has a pair of lateral eye-like structures 38 on each side having multiple apertures 36 therein which eye-like structure 38 has a receptacle 56 therein for receiving a scented plug 40.

Abstract: An adaptably mountable head 30 or 40 that is adapted to be fitted or coupled to a presently existing or common fishing lure, such as a worm and hook fishing lure 10 or a fly fishing lure 20. The adaptably mountable head 30 or 40 respectively comprises a head portion 35 or 45 having a hollow receiving chamber 33 or 43 and attaching components 32 or 42 coupled thereto. The attaching components 32 or 42 are depressed or bent inwardly into the receiving chamber 33 so that they are in engaging positions. Various colored eyes 31 or 41 are painted on or fixedly attached to different head portions 35 or 45 to resemble the heads and eyes of bait animals upon which fish prefer to prey. The attaching components 32 or 42 aid in securing the head portion 35 or 45 to a fishing lure and further aid in securing the body portion of a soft plastic animal fishing lure in place to a fishing hook, thus preventing the body portion from sliding down the shank of the hook.

Abstract: An improved thrust generating flexible fin fishing lure for use in various types of sport fishing, such as ice fishing, jigging, bait casting, or the like. The thrust generating flexible fin fishing lure according to the present invention comprises an elongated body with a curved tail, at least a pair of thrust generating flexible fins on either side for the purpose of redirecting rearward a portion of a vertical flow of water moving past said lure and fin(s) and, thereby, causing thrust and forward movement of said lure. Further provided by the curved tail is a means of directional control causing the present invention to swim in a continuous and fully circular pattern.

Abstract: A burnable coil holder such as a mosquito coil holder has a base member with a plurality of non-metallic support peaks and a higher central metal support spade. The spade supports the burnable coil from a single point under normal circumstances. The non-metallic support peaks provide support if the coil sags during use. The support peaks are positioned in a cross or spiral array around the spade. The spade has teeth to grip the coil, a shoulder to support the coil, and spaced legs to permit easy insertion of the spade into the base member.

Abstract: A plastic film covers the compost in a mushroom bed during the spawn run step of the mushroom growing procedure. It is during this step that the spawn begins to colonize the compost with mycelium. The plastic cover is vented by having a pattern of symmetrically arranged holes throughout its area so as to prevent or minimize moisture loss and prevent airborne pathogens from landing on the compost. The vented cover also reduces the CO.sub.2 level while increasing the oxygen rate.