Abstract: A magnetically latching butterfly knife 10 having a magnetic latch 20 coupled thereto. The magnetic latch 20 is coupled to the magnetically latching butterfly knife 10. The magnetic latch 20 is coupled to at least one of the handle components 14 and/or 15. The magnetic latch 20 has at least one magnetic component 19 and at least one magnetic attracting surface 10A (i.e. magnet or metal surface) that are able to couple to at least one of the handle components 14 and 15. At least one magnetic component 19 and at least one magnetic attracting surface 10A magnetically attract and couple to each other to be able to provide open and closed latching operations for the butterfly knife 10. The magnetic latch 20 secures the first handle component 14 and the second handle component 15 in an open latched position and also in a closed latched position. The magnetic latch 20 may be configured and coupled to the butterfly knife 10 in many ways in order to provide the open latched and closed latched positions.

Abstract: A knife having a blade made of stainless steel and a hollow handle made of stainless steel. The hollow handle has right and left handle halves which are butt-joined to each other at their joining faces. The handle halves define therebetween a hollow portion which is filled with a filler, which may be river sand, for adjustment of the overall weight balance of the knife. The blade and the handle are butt-joined into one piece at their confronting end edges.

Abstract: A vehicle wheel position measurement device is provided. The device includes a frame adapted for mounting on a base body. Mounted on the frame, is a pair of rollers configured for supporting a wheel of the vehicle during a measurement procedure. Also included are roller bodies for enabling the frame to roll along the base body. Finally, a motion limiting device is included for limiting a range of movement of the frame on the base.

Abstract: A rotating laser beam projector includes a power controller having a micro controller coupled to a laser power circuit which determines whether the laser beam emitted by the projector is rotating or stationary. When the laser beam is rotating, the laser power circuit delivers a first level of continuance power to the laser. When the laser beam is stationary, the laser power circuit delivers a second level of continuance power to the laser which is less than the first level of power. The micro controller communicates messages from the laser beam projector to a remotely positioned sensor assembly by rotating the laser beam at a first speed when no message is to be communicated and rotating the laser beam at a second speed, different from the first speed, when a message is to be communicated. The laser beam projector includes a bridge for delivering electrical power to a pendulum-supported device from a stationary source.

Abstract: A laser extender is provided for accurately elongating a reference line. The laser extender includes a housing, a battery set, and a laser unit. The housing has an external basic flat plane for resting upon a flat surface and having a straight edge that is adapted to be aligned with a reference line, an internal accommodating space, and a plurality of through holes for accessing the internal accommodating space from the exterior of the housing. The battery set is provided inside the internal accommodating space. The laser unit, utilizing power provided by the battery set, is located inside the internal accommodating space for generating a spanning plane laser beam perpendicular to the basic flat plane of the housing and for extending the reference line defined by the straight edge. In addition, the laser extender can engage a beam leveler for enhancing the leveling ability of the laser extender.

Abstract: A tool for cutting the ends of conveyor belts square includes a T square having a cross leg standing transverse to the belt when the tool is used and a primary leg extending longitudinally along the belt. A pair of end links are adapted to engage opposite sides of the belt when the tool is used. The end links are pivotally connected to each of three cross links, which are pivotally connected to the primary leg of the T square at the midpoints of the cross legs. Accordingly, the primary leg lies along the center line of the conveyor belt when the end links are brought into engagement with the sides of the conveyor belt. By cutting along the cross leg, the belt is cut square to the center line of the belt.

Abstract: A tile measuring device including a pair of transparent, slidably connected plates having reference indicia thereon. A rotatable handle, defining a threaded aperture, is mounted on a threaded member, fixed to the bottom plate, and is rotatably adjustable from a first position wherein the top and bottom plates are fixedly secured relative to one another, to a second position wherein the top and bottom plates may be slidably adjusted. The top and bottom plates each include linear dimension markings along at least one side of the device such that when the top and bottom plates are telescopically adjusted and fixed relative to one another the markings provide linear dimension references. In addition, each of the top and bottom plates include longitudinal markings for use in cutting notches in tiles.

Abstract: A self-adjusting accessory for a table saw that includes a guide for sliding in the guide groove of the work supporting table of a table saw and which is biased against the edge of the guide groove which is closest to the cutting blade. The guide bar is used in conjunction with the plurality of table saw fixtures such as a miter gauge, an alignment gauge and a stop gauge. The alignment gauge also forms part of apparatus for carrying out a method of verifying the straightness of the arbor for the cutting blade, the alignment of the arbor relative to the guide groove of the work supporting table and the flatness of the cutting blade. The invention also includes an apparatus for adjusting the alignment of the arbor relative to the guide groove of the work supporting table.

Abstract: An air-injected dehydration apparatus for dehydrating a food product. The apparatus includes a dehydration chamber having a plurality of controllable heating elements extending therethrough and a device for moving the food product within the chamber. An air injection system providing air to the chamber and an exhaust is provided for exhausting air from the chamber. The air injection system includes an air compressor for supplying pressurized air to the chamber, a pressure conduit to channel the pressurized air from the compressor to the chamber and a device for dispersing the air within the chamber. The air provided to the chamber should preferably be sterilized by a decontamination system. The decontamination system includes an air intake assembly for supplying a flow of air and an air purification chamber comprising an air inlet functionally connected to the air intake assembly, a device for purifying the air as it passes through said chamber, and an air outlet.

Abstract: An air blower apparatus is described which has a blower unit, an attached base and a length of flexible hose used in combination to move volumes of air at speeds for the purpose of accelerating drying processes, for example, the drying of a freshly washed automobile. The apparatus is designed for operation with the blower unit remotely located from the user proximate ground level. The blower unit has a housing formed with an inlet and an outlet, and a motor inside having a shaft with blade means attached thereto for producing an air flow. The present invention also includes a base which is formed to attach the blower unit thereon for use close to or proximate ground level, and the base is also formed to position the blower unit thereon so that the inlet of the blower unit does not draw in debris close to or from the ground. The present invention also includes a hose which is flexible and attached to the blower housing outlet.

Abstract: A method and device for thermal drying of a solid product in small pieces utilizing a first contact element and a second contact element between which a layer of the solid product can be brought into contact. The first contact element and, opposed thereto, the second contact element, are arranged so that at least one contact element is heated comprising a heat source forming part and at least one of the contact elements is gas permeable.

Abstract: A combination infrared/air convection dryer or oven for travelling webs. A shutter assembly is provided between the infrared radiation source and the moving web in order to selectively expose the web to infrared radiation, and to create a sealed air chamber when in the closed position. Enhanced drying of the web and/or a coating on the web at high speed is achieved without a concomitant increase in dryer length. When the drying atmosphere has a high concentration of solvent, exposure of that atmosphere to the heating elements, which can cause explosions, is eliminated by actuation of the shutters. In a preferred embodiment of the invention, air bars are used to floatingly support the moving web to avoid contact of the web with dryer elements.

Abstract: A coupling device for coupling a conventional dryer flexible exhaust tube to the wall mounted exhaust port. The coupling device includes first and second coupling components each having corresponding first and second base plates with first and second exhaust apertures extending through the first and second base plates. The dryer flexible exhaust tube is attached on one of its end to a dryer outlet port and at its other end to an attachment flue extending from the first base plate in fluid communication with the first exhaust aperture. A second flue extends from the second base plate in fluid communication with the second exhaust aperture. The second flue is used for mounting the second coupling component to a wall exhaust aperture extending through a partition wall adjacent the dryer.

Abstract: A process and apparatus for the gelatin coating of medicaments which includes a continuous conveyer system to advance a plurality of pallets through a loading station, at least one dipping station, at least one dryer station, a reorientation station and an unloading station. Medicaments to be coated are loaded into pallets at the loading station and advanced to the first dipping station where a vacuum is applied to secure the medicament to the pallet. The pallet is inverted and a first portion of each of the medicaments is dipped into a coating mixture. The pallet is then returned to its upright position, the vacuum is removed and the coating is dried. The medicaments are then transferred from the first pallet to a second pallet by a reorientation mechanism. The second pallet is then advanced to a second dipping station which operates in the same manner as the first dipping station.

Abstract: An improved apparatus and method for the hot air roasting of coffee beans is provided and includes structure for inhibiting contaminants from entering the hot air stream used in the roasting of coffee beans, structure for obtaining a uniform roast of the coffee beans, unitary structure for mounting a handle to a roasting chamber and removably and releasably mounting a cover to the roasting chamber, structure for initiating a roasting cycle and terminating the roasting cycle for a predetermined cooling period at any point during the roasting cycle, structure for double sealing a cover to a roasting chamber, structure for assembling a vessel, a metallic base, and a plastic mount ring into an integral roasting chamber, structure for releasably and removably mounting a roasting vessel to a main housing, dual filters for preventing the blockage of a hot air stream through a hull and chaff collector, and a “fan based” method for controlling the roasting temperature.

Abstract: A drying tunnel applicable to products of fruits and vegetables for drying, using ambient temperature dry air. The tunnel has an outer casing fitted with two independent stories which has openings at the ends of the upper floor, which crossed inside in an upward direction by a conveyor belt which is in turn crossed in a counterflow direction by a particular flow of drying air at ambient temperature. Humidity of the products is absorbed by traveling along the conveyor belt which passes through the upper flow. The upper floor is blown by fans treated by air passing through a refrigeration evaporator, condenser, and compressor located on the upper floor. Air curtains are at the tunnel openings to minimize escaping air. Air filters are included to eliminate suspended particles from the product surface.

Abstract: An adjustable upper is inflated to accommodate the size of a wearer's foot. The upper is formed with a plurality of inflatable passages that grip the foot with a non-slipping, cushioned fit.

Abstract: Athletic footwear has an upper and sole. The sole has heel and midfoot regions and metatarsel and toe regions which include a foundation layer of semi-flexible material attached to the upper and defining a plurality of stretch chambers, a stretch layer attached to the foundation layer and having portions of elastic stretchable material underlying the stretch chambers of the foundation layer, and a thrustor layer attached to the stretch layer and having portions of stiff material underlying and aligned with the stretch chambers of the foundation layer. Whereas components of the heel and midfoot regions of the heel provide temporary storage and retrieval of applied energy at central and peripheral sites underlying the heel and midfoot of the wearer's foot, components of the metatarsel and toe regions of the sole provide temporary storage and retrieval of applied energy at independent sites underlying the individual metatarsals and toes of the wearer's foot.

Abstract: A shoe has an upper, a foot support region positioned below at least a portion of the upper to support the bottom of a user's foot, a sole secured below the foot support region, and a flexible member positioned below at least a portion of the foot support region and above at least a portion of the sole. The flexible member has a top surface, a bottom surface, a peripheral portion, and an interior portion. At least two ribs extend substantially across the flexible member. The interior portion of the flexible member deflects in use in a direction substantially perpendicular to a major longitudinal axis of the shoe. At least a portion of the peripheral portion is restrained from movement relative to the interior portion in a direction substantially perpendicular to the major longitudinal axis of the shoe.

Abstract: An insole insert for application into a shoe, and which is formed as a laminar material of various layers of paper, polymer, stranded thermoplastic or thermosetting material, foams of select consistencies and texture, in addition to a felt or microfiber type of upper layer, to add to the cushioning and softness of the insert, when applied. The insert, when subjected to heat and pressure, particularly pressure applied by the foot, conforms to the contours of the foot, and sustains such, even after prolonged usage after application into a shoe.

Abstract: Grind shoe device of the present invention includes a shoe sole having downwardly facing heel and forefoot tread surfaces and a downwardly opening recess formed with longitudinal and transverse recess sections. A grind plate device is formed with transverse and longitudinal grind plate sections for receipt in the respective transverse and longitudinal recess sections, at least one of such grind plate sections being formed with a downwardly facing trough for grinding along a rail, curb or the like. The longitudinal grind plate section is flexible and in some embodiments is foiled of rigid sections of discrete rigid grind plate portions disposed to flex relative to one another to facilitate flexing of the sole. The method of the present invention involves the manufacturing of the sole with such downwardly facing recess and fabricating the grind plate device to be complementally received in its top side in such recesses.

Abstract: The novel snowshoe (400) includes at least one tail extender (404) to provide variable flotation characteristics and traction bars (412) that provide improved side slip protection such as when traversing steep terrain. The snowshoe (400) is thereby especially advantageous for use in back country mountaineering. A three (or more) point attachment mechanism is disclosed for coupling the tail extender (404) to the flotation plate (416) of snowshoe (400) so as to reduce stress on the coupling elements and provide a more secure interface.

Abstract: An article of athletic footwear with a sole having a downwardly opening recess removably mounting a low friction grind plate for sliding across a protruding feature on a supporting surface and including an accessible storage compartment for temporarily storing keys and the like.

Abstract: The virtual intelligence shoe with a podiatric analysis system provided with a portable pair of shoe-like body types thereof, into two of which a miniature electronic module and an enclosed sensor mat are permanently embedded in the shoe-like with a mechanical air package enclosing the electronic module to serve as a shock absorption. A miniature electronic module comprises a transmitting circuit with pressure resistance, shoe temperature and warning buzzer for full memory capacity, which receives the variable pressure and temperature voltage signals, convert them into resistance (ohm) and Celsius, respectively. The electrical signals can be emitted in an infrared light signal.

Abstract: An excavator data acquisition and control system and process for characterizing the subsurface geology of an excavation site, and for utilizing the acquired data to optimize the production performance of an excavator. A geologic imaging system and a geographic positioning system are employed to initially survey a predetermined excavation site or route. A geologic characterization unit may also be employed to enhance the geologic imaging data. The acquired data are processed to provide detailed geologic and position data for the excavation site and utilized by a main control unit to optimize excavator production performance. In one embodiment, the main control unit accesses a geologic filter database, which includes geologic profile data for numerous types of geology, when analyzing unknown subsurface geology. Removing geological filter data content corresponding to known geology from the acquired geologic imaging data provides for immediate recognition of unknown and suspect subsurface objects.

Abstract: A display structure or a unique book including a plurality of laterally extending page supports each adapted to carry at least a pair of pages in a side-by-side relationship. Each page support has a pair of spaced support pallets and at least one pallet support leg extending between and connected to the spaced support pallets. A rotatably supporting structure is provided for each of the page supports so that when one of the support pallets is rotated, the other of the pair is rotated in tandem therewith. The pallet support legs are coupled to the rotatably supporting structure so that each of the support pallets extend radially outwardly from the rotatably supporting structure.

Abstract: Methods and assemblies are described for displaying interchangeable graphics sheets on a display face of a merchandise cabinet such as a vending machine. The interchangeable sheets are stored on spool assemblies disposed within the cabinet and may be either manually or automatically manipulated in order to selectively register different graphics sheets within the display face of the vending machine. In a first embodiment, the graphics sheets have adhesive areas thereon in order to attach an old graphic sheet to a new graphic sheet to unwind the new graphic sheet from the spool assembly and position it into the display field on the face of the vending machine. The old graphics sheet functions as a leader for the new graphics sheet. In a second embodiment, the graphics sheets are provided with tear-off flexible leaders which are utilized to unwind the sheets from the storage spool assemblies and to position the graphics sheet into registry with the display fields on the face of the vending machine.

Abstract: A safety warning flag assembly for use with highway trucks provides for a foldable placard which is attachable to the front end of a highway truck. The placard, attached longitudinally along the front bumper is foldable along its longitudinal length. When closed, the placard essentially becomes part of the bumper. When opened, the placard displays a warning sign to oncoming traffic. With the placard in its open position, a flag receiving fixture attached to the placard allows a conically shaped flag and flag holder to be received within the fixture. In an alternative embodiment, the flag fixture is functionally adapted to receive the flag from various angles such that the flag can be flown at its most effective angle for warning traffic of the approaching wide load. In another alternative embodiment, the flag fixture may be attachable to other parts of the truck and may be used in conjunction with the warning placard.

Abstract: Jardin Gem is a set of three multipurpose, independent identifier stratagems. Jardin Gem Topper is the primary device and is a hose support/hose guard/holder/identifier with a variety of configurated tops through which each top a hose can be laced or something attached. Every top also serves as a push-pull handle to put its opposite end into soil, predrilled wood, a cored brick, or whatever. The secondary identifier is the Jardin Gem Straww used as a marker while in the ground before, during, and after plant growth. If a Topper is slid into a Straww, the latter functions as an auxiliary identifier or when a watering, soaker, or sprinkler hose needs to be laced through a series of tops. The third device is the Jardin Gem Barr . . . a single Jardin Gem Straww nested in between two elbow connectors . . . which can be easily positioned horizontally or vertically.

Abstract: A firearm gripping device including an elastomeric band for encircling the closed hand of a user. A first fastening portion is secured to one side of the band. A second fastening portion, adapted to mate with, and releasably adhere to, the first fastening portion, is secured to the band adjacent the rear end thereof. An elastomeric strap is secured to the side of the band opposite the one carrying the first fastening portion so as to form at least one, large loop. In use, a finger of a hand gripping a firearm are inserted into the loop and the strap is wrapped around the hand and the firearm grip so that the fastening portions can be engaged with one another.

Abstract: A support for use with a fishing rod having at least one line guide and a reel with fishing line. The support includes a base with a first end and a second end, a signaling device that supports the fishing line and provides a signal once the fishing line is released. The signaling device being supported on the base at a location between the first end of the base and the second end of the base. The support will also include a support for holding a fishing rod over the base, near the second end of the elongate member, so that fishing line from the fishing rod is accepted by the signaling device and extends from the reel of the fishing rod, down to the signaling device and back up to the line guide of the fishing rod, so that upon release of the fishing line from the signaling device the fishing line extends directly from the reel and on to the line guide of the fishing rod.

Abstract: A fishing lure which includes a crankbait body has a cavity in the lower surface of the body. An elongated insert (which may be a chemiluminescent tube or a colored tube) is positioned in the cavity so that the element is exposed below and on both sides of the crankbait body. The chemiluminescent element is releaseably held in place by a bias spring, a loop located near the forward end of the cavity, or by flexing the element so that it is captured by recesses at the front and rear ends of the cavity.

Abstract: A lure having a body molded from a material having a lower specific gravity than water, and legs formed to extend to right and left sides of the body at a middle or rear portion of the body, and the legs have an elastic portion extending outwardly from the body as a center to right and left opposing ends of the elastic portion and a pair of water receiving portions secured to the right and left ends of the elastic portion, respectively, having openings toward the lure proceeding direction. The elastic portion repeats bending and bending back motions by elastic force and water resistance exerted to the water receiving portions, as the lure is manipulated to proceed, thereby rendering the lure move with imitated motions as of a small creature as a bait for fish.

Abstract: A trap having a base panel, two side panels, and two end panels held together in an “A”-frame shape by tubular hinges of fixed and quick release type. Each panel is constructed from a wire mesh having a perimeter frame that includes linear members. A plurality of fixed hinges are used to rotationally link the several panels to one another. Each fixed hinge is preferably a cylindrical element of resilient material having a longitudinal or axially aligned slot that may be expanded to receive a pair of linear members. At least one quick-release type hinge is preferably used to facilitate rapid collapse and erection of the trap. Each quick-release type hinge has two axially nested cylinders, each defining a slot having sufficient width to accommodate a linear member without user manipulation. Alignment of the two slots permits ingress and egress of a pair of linear members into and out of the open cylinder defined by the inner cylinder.

Abstract: An electronic insect killer apparatus which generates a musical song, noise or display in response to detecting the electrocution of an insect. The apparatus provides a light source for attracting insects to a pair of electrodes which electrocute insects which come in close proximity thereto. The apparatus monitors the load current delivered to the apparatus and activates a music player when the detected load current exceeds a predefined threshold associated with electrocution of an insect.

Abstract: A system for delivery of fluid material, and more particularly, a bait station for delivery of fluid insecticide, is formed from a base having at least one feeding station, and a reservoir for storing fluid insecticides beneath the base. The insecticide is transferred by capillary action from the reservoir to the feeding station through at least one connecting tube. At least one hollow member extends upwardly from the base to support a cover removably mounted over the base, and to provide a conduit for refilling the reservoir with fluid. The cover and the base are designed to provide access to insects to the feed station when the cover is mounted over the base.

Abstract: The invention provides a method and apparatus for controlling termites. The invention provides a tamper resistant bait station, which uses a cellulose bait impregnated with a slow acting toxicant and readily allows entry of termite.

Abstract: A biodegradable mat is disclosed for protecting and enhancing the growth of plants. The mat is in circular, sinusoidal or linear form and comprises a plant food, soil fertilizer, soil enricher, soil supplement, insecticide, fungicide, herbicide and/or animal repellant. The circular mat has a hole in the center for the stem of a plant and a radial slit extending from the hole to the circle circumference. The mat is placed on the ground adjacent and around the stem of a plant. It is then covered with a layer of soil and/or mulch and moistened to release the active ingredients.

Abstract: A method of enhancing a growth characteristic of seed by immersing the seed in an aqueous solution including dissolved inert gas and sonicating the seed at a frequency preferably of between about 15 kHz and about 30 kHz and an energy density of between about 1 watt/cm2 and about 10 watts/cm2 for a period of between 1 minute and about 15 minutes. The sonicated seed exhibits an enhanced growth characteristic including resistance to pests and growth properties consistent with the introduction of essential nutrients. Plants grown from the treated seeds exhibit improved characteristics.

Abstract: A floral sleeve having an upper portion, a lower portion and a medial portion. The floral sleeve can be placed about a plant container such as a potted plant such that the lower portion contains the pot, and the upper portion surrounds the plant. When desired, the upper portion and lower portion can be detached, leaving the medial portion which can be attached to the pot forming a skirt extending from the upper end thereof.

Abstract: A seedling container and a method of making the same, that includes a sleeve filled with a compressed plant growth medium and having a first end, a second end, and a defining sidewall. The sidewall has at least one integrally formed tear away strip that extends between the first end and the second end. The tear away strip enables the sleeve to be readily removed to enable a seedling to be planted that is encased in plant growth medium.

Abstract: A sealing apparatus for use with a door which swings over a threshold and has a door lower end, a door face and a door frame, for closing the gap between the door lower end and the threshold, includes a mechanism mounting member; a substantially horizontal gate member for closing the gap; a slide bar positioned above and substantially parallel with the gate member, the slide bar having a protruding end extending laterally from the door toward the door frame to abut the door frame as the door is closed; structure for guiding the slide bar to move laterally relative to the door and to the mounting member; a leaf spring having a leaf spring first end and a leaf spring second end and a leaf spring central segment, the leaf spring first end being engagingly fitted to the slide bar and the leaf spring second end being engagingly fitted to the gate member, where the leaf spring central segment is resiliently pivotable upwardly and laterally to vertically displace the gate member relative to the slide bar; structure

Abstract: A vehicle window direct drive power actuator for pivoting a window outwardly of a vehicle body about an axis. The actuator comprises a reversible electric motor and a power transmitting gear train driven by the motor and including a rotational output gear. The rotational output gear includes stop circuit actuating member thereon for actuating a motor control circuit that controls energization of the reversible electric motor to thereby electrically control the open and closed positions of the window relative to the vehicle body. A window linkage assembly is mounted on the window in a manner to convert the rotational torque of the rotary output gear into an opening-and-closing force for the window. The linkage assembly converts the rotational torque of the rotary output gear in a one direction into a window opening force and a rotational torque in the opposite direction, caused by reversing the driving motor, into a window closing force.

Abstract: A door assembly for a sterile or safe room has a door leaf mounted in the door frame by hinge plates and a hose-type seal along the edge of the door leaf edge, when inflated presses against a smooth surface of the frame juxtaposed with the edge of the leaf. The seal is resilient so that it restores to its uninflated position releasing the lock in one to six seconds.

Abstract: A refrigerator door (17) includes an outer plate (6); an inner plate (7); a heat-insulating element (18) filling a gap between the outer plate (6) and the inner plate (7); and a gasket (21) provided between an outer housing (2) of a refrigerator main body (1) and a surface of the refrigerator door (17) facing the outer housing (2). The gasket (21) includes a housing engaging portion for sealing a gap between the outer housing (2) of the refrigerator main body (1) and the surface of the refrigerator door (17) facing the outer housing (2) and an anchor (23) for securing the gasket (21) in a groove (22) formed in the refrigerator door (17). The anchor (23) has a pair of fins (24), the fins of the pair projecting in opposite directions from each other, and is secured in the groove (22) by contact of the pair of fins (24) to inner walls of the groove (21) facing each other.

Abstract: A collapsible stage (1) is provided which has a first planar wing (3), a second planar wing (5) and an intermediate planar section (7). The respective wings (3 to 5) are hinged to respective sides of the intermediate section (7) so they can both swing upwardly from a plane where they are co-planar with the intermediate section where they collectively form an open stage (1), to a collapsed position where both wings (3 to 5) are generally parallel to one another and extend upright. The intermediate section (7) has ground engaging devices (17) to permit rolling or sliding movement of the collapsed stage. A first pair of retractable legs (11) are connected with an underside of the first wing (3) adjacent one side of the intermediate section (7), and a second pair of retractable legs (13) are connected with an underside of the second wing (5) and the other side of the intermediate section (7).

Abstract: A liner for a manhole, inspection chamber or the like comprises one or more sections moulded from synthetic plastics material. The or each section comprises inner and outer skins (2,3) joined together by two series of webs (4,7) extending between and at right angles to the skins (2,3). The webs (4) are disposed at the upper edges (5,6,) of the section and the webs (7) extend between a position below those upper edges (5,6) and a position at its lower end. The upper edges (5,6) and lower periphery (9) of each section are formed so that superposed sections interlock. The arrangement provides an easily installable corrosion resistant load bearing yet light, rigid and deformation resisting structure.

Abstract: A new prefabricated arch structure for aiding the construction of an archway. The inventive device includes a base wall with a pair of spaced apart side walls outwardly extending from the inner surface of the base wall. Each side wall is generally triangular and has a vertex corner, and a pair side edges extending from the vertex corner towards the ends of the base wall.

Abstract: A construction form for building an insulated concrete reinforced wall includes separable and independently usable lintel block and post block sections, made from injection molding Styrofoam. The lintel block section includes a channel extending horizontally and fully along its top portion. The channel includes multiple knock-out plugs within the bottom wall. The lintel block section also has multiple parallel and vertically spaced apertures with one end opened at a lower end, and extending upward to a closed end terminating at one plug within the bottom wall of the channel. The post block section is stackable with the lintel block section.

Abstract: The present invention relates to a device for protecting a shed entrance, particularly during loading and/or unloading of a vehicle parked thereagainst, comprising: a wall-mounted frame arranged on a wall outside the shed entrance; a hanging frame which is held in a plane substantially parallel to that of the wall-mounted frame and at a distance therefrom with resilient separating means; wherein the separating means comprise an elongate body of form-retaining material extending in upward direction between the wall-mounted frame and the hanging frame and a coupling of elastic material on both ends of the body, wherein each coupling is connected to one of respectively the wall-mounted frame and the hanging frame.