Abstract: Multisectional hosiery having a plurality of various sections is connected by elastic attachment materials on each section in an overlapping manner. The multiple detachable hosiery sections allow the user to mix or match hosiery sections, or change the number of hosiery sections, to accommodate fashion desires, changes in clothing or a run in a particular hosiery section. The result is a versatile multisectional hosiery system which allows a user to use some of the various sections in many different combinations.

Abstract: The disclosure is directed to an improved aerodynamic helmet. The helmet has a continuous aerodynamic curvilinear front, side and top surfaces whereby the fluid flowing over and around the sides of the helmet flows in a substantially continuous flow direction from the forward curved area aft of a straight area at the greatest width or largest transverse dimensions of the helmet after leaving the surface influence thereof.

Abstract: An improved hygienic spray apparatus for use in connection with a toilet bowl comprising a crescent-shaped shelf integrally protruding from the forward right hand side of a toilet bowl, the shelf and the bowl comprising a unitary body; the toilet bowl comprising a main bowl portion for holding water therein supplied by a first source of water, the main bowl portion having an open top for receiving waste therethrough into the water; the shelf having an aperture in a top surface thereof for mounting a water spray mechanism therein, the water spray mechanism being connected to one end of a flexible hose, the other end of the hose being connected to a second source of water; the shelf forming an enclosed chamber around the outside surface of the main bowl portion of the toilet bowl; the shelf being disposed on the right hand side of the bowl below the rim of the open top such that the water spray mechanism is readily manually accessible by a person sitting over the main bowl for ready removal from the mounting ap

Abstract: A self-contained hand-held bidet device, for providing lavaging action with portability and convenience. A somewhat pistol configuration housing contains a pump, controls and support for a retractable nozzle being sized and shaped to spray a stream of fluid from a reservoir mounted at one end of the housing. Lightweight construction and a collapsible reservoir faciltiate convenient storage.

Abstract: A curtain holding device of the type for use in association with a shower curtain for holding the shower curtain against billowing into the shower area during use of the shower. The device is attachable to the shower curtain support rod together with the shower curtain so that a number of the devices may be drawn to spaced intervals along the intermediate portion of the support rod when the curtain is drawn from an open to a closed position. Unlike known shower curtain controlling devices, the device of the present invention includes a weighted member which provides a turning moment on an elongated curtain engaging member so as to force the member to pivot outwardly from the shower area not only to prevent the curtain from being drawn into the shower area but to hold an intermediate portion of the shower curtain outwardly from the shower area and thereby provide an enlarged shower area, particularly at an elbow height for the user of the shower.

Abstract: A chair that will fit inside of a bath tub or shower stall is supported firmly on suction cup held legs, defining a platform. A seat having a seat portion and a folding backrest is mounted on the legs for pivoting movement about a vertical axis. The pivoting movement is capable of being restrained or controlled at least a desired number of positions, or if a break is used at any infinite number of positions so that a person seated on the seat may shower and rotate for gaining access of the shower to all surfaces of the skin. Because of the suction cup retainers on the legs, the unit is safe and simple to use and aids for elderly and handicapped in particular in showering.

Abstract: A shower door assembly of the frameless type comprises light plastic panels interconnected substantially along their length by hinges which include channels for gripping the panels. An elongated bracket facilitates the attachment of the door to walls that are out of square in relation to a bath or shower pan. The assembly presents a smooth appearance substantially devoid of surface obstructions.

Abstract: A convertible sofa bed is disclosed which includes an improved folding bed mechanism which consists of a support section, intermediate section, a center section and a foot section all pivotally connected together by a linkage which permits the sections to be pivoted between an extended position wherein they are linearly aligned and a folded position wherein the foot section extends in a substantially horizontal plane parallel to the intermediate and support sections and the center section extends substantially vertically between the intermediate and foot sections. The linkage allows the folded center and intermediate sections to move into and downwardly in the frame adjacent the support section and includes a push linkage assembly which operates to permit the folded over sections to move into the frame.

Abstract: An infant cradle comprising a support stand and a hammock that is suspended from the support stand. The support stand has a ground engaging base member, an upright member extending upwardly at an inclined angle in relation to the base member and a support member that extends away from the upright member. A spring is suspended from the support member, and in turn a hammock is suspended from the lower end of the spring. The hammock comprises a loop of sheet material which is gathered at the point where it is suspended from the spring. Second gathers are formed at either side of the spring, and the hammock is spread by a spreader bar that extends between the second gathers so as to hold the hammock open as it hangs from the spring. The upright member is inclined such that the hammock hangs substantially over the center of the base member.

Abstract: A biaxial rocking swinging hammock frame is comprised of two bipods for supporting a hammock with two connecting rope-like ends. The first bipod has an apex adapted for securing one connecting end of the hammock thereto and a foot upon which the bipod pivots along a first bipod pivot axis. The second bipod has an apex opposing the apex of the first bipod. The second bipod apex is adapted for securing the other connecting end of the hammock to suspend the hammock. The second bipod has a foot upon which the second bipod pivots along a second bipod pivot axis. Link means connect the feet for locating and holding the foot and pivot axis of the first bipod below the second bipod and the foot and pivot axis of the second bipod below the first bipod.

Abstract: A vibration absorbing device to be secured between structural and non-structural members of a framed structure. An outer ring may be secured to a structural member and an inner ring is concentrically positioned within said outer ring and may be secured to a non-structural member. Radial spokes interconnecting the inner and outer rings are adapted to elasto-plastically deform when one ring is arcuately shifted relative to the other ring responsive to vibration of the inner and/or outer ring, thereby absorbing the energy of vibration.

Abstract: An inflatable, self-supporting cover suitable for placement over a body and comprising a top sheet, a bottom sheet and ribs extending between such sheets to form a plurality of compartments extending transverse to the length of the cover. The ribs are formed in the shape of a flattened oval and then fastened between such sheets. A duct extending longitudinally of the length of the cover connects with the compartments and with a source of pressurized air which inflates the compartments, causing them to assume an arch-like shape extending transverse to the length of the cover and spanning said body. An alternative embodiment includes a second cover section fastened to the cover bottom sheet and having a plurality of compartments, each with at least one port therein. The second cover section compartments connect with the duct whereby pressurized air passes to the second cover section compartments and from each port therein to circulate air about the body beneath the cover.

Abstract: A beach towel or blanket with a metal eyelet on its bottom edge through which a decorative pivot dowel is passed and into the sand at the beach.Said towel is held, by one person, at the corners of the opposite end and rotated about the pivot dowel until the shadow of the pivot dowel is aligned with the shadow line (or center) of the symmetry gauge printed on the beach towel. This positions the beach towel and subsequent sun bather at the most advantageous position to receive the sun's rays for symmetrical tanning for that period of the day.As the day progresses the beach towel will have to be rotated to keep the shadow of the pivot dowel within the symmetry tanning gauge. During this simple, timeless, re-alignment, the sun bather would doubtlessly evaluate their exposure time in the sun which is a health and safety feature in itself.

Abstract: A bed rail cover system including a bed rail having a framework with a plurality of rails and a cover positionable over the framework. The cover is of unitary multi-wall construction and includes an attachment flap engageable with one of the rails to secure the cover in position on the framework.

Abstract: A skeletal support pillow conforming to the bodily skeletal dimensions of a user is provided which is dimensioned according to the bodily measurements of the user. The pillow includes a head support pillow section having a thickness approximately equal to the long leg of the right triangle whose hypotenuse lies between the acromial clavicular joint and the ipsilateral angle of the user's jaw. An arm tunnel/bridge section is attached at one side to the base of the head support pillow section, the tunnel having a diameter slightly greater than the maximum diameter of the user's upper arm. A body support section is attached to the opposite side of the arm tunnel/bridge section. The body support section has an upper body support portion having a thickness approximately equal to the distance between opposite auxillary folds of the user's body, and a lower limb support section approximately equal in thickness to the distance between the user's greater trochanter and the contralateral anterior superior iliac spine.

Abstract: An inflatable air mattress adapted to be securely disposed on top of a conventional mattress for proper support of a patient employs a first upper air impervious rectangularly shaped flexible layer having opposite ends and opposite sides and a second lower air impervious rectangularly shaped flexible layer having like opposite ends and like opposite sides. The peripheries of the first and second layers are joined together in air impervious sealed relationship. The first and second layers are also joined together in air impervious sealed relationship in small selected areas spaced from each other and from said peripheries. An air inlet port is secured to the second layer and communicates with the interior of the layers. An air outlet port spaced from the inlet port is also secured to the second layer and communicates with the interior of the layers. First and second spaced strap engaging members are secured to the second layer adjacent one side of the second layer.

Abstract: A device for supporting one's thighs, knees, calves, and feet to obtain relief and comfort from low back pain. The device permits the user to be placed in the correct position to strengthen the stomach muscles without risking injury to the back. When a prone user disposes his thighs at a 32 degree angle to the vertical, the lower spine is partially flattened and the lower back muscle tension is reduced. The curved areas of the support under the knees and heels, and in the same horizontal plane, provide a comfortable transition from the thigh supporting surfaces to the calf and foot supporting areas. The horizontal surface is depressed intermediate to its length and creates a final subtle incline to receive the calf muscles. The unit is customized to the user's leg length measurements.

Abstract: A scraper-hammer tool. The tool has an essentially square-shaped four-blade scraper blade with two blades pointing upward and two blades pointing downward and a steel nob having the general shape of a roughly cylindrical hammerhead having a bolt socket in its base end. A single bolt holds the scraper blade and the nob onto the body of the scraper-hammer tool which includes a handle. With the blade in one direction the tool is a scraper. Turning the tool over turns it into a hammer to drive in nails which may be encountered on surfaces being scraped.

Abstract: A kit assembly including a support block mounting a first and second screw driver member arranged for reception and securement within a conventional drill chuck, wherein a plurality of pilot drill assemblies are provided, with each pilot drill assembly including a rearwardly positioned cavity to complementarily receive one of the plurality of drill bit members therewithin to permit initial use of a pilot drill and subsequent use of a drill bit. Further, adapter members are provided to utilize a first style screw driver forward end and a cavity complementarily receiving a screw driver of a further configuration, such as a blade screw driver adapter provided with a Phillips head type cavity to permit use of varying screw driver assemblies in association with a single mounted screw driver member mounted within the aforenoted drill.

Abstract: A method and apparatus for washing laundry without hot water and detergent using a closed loop ozonated wash water system wherein wash water maintained in a storage tank is ozonated by an ozone generator prior to use in a washing machine. The spent wash water is collected, filtered and reused thereby eliminating waste water disposal problems and resulting in considerable water and energy savings. The ozone generator includes a unique air flow configuration to maximize ozone generation resulting in a high efficiency washing system.

Abstract: A dock leveler having a rigid flat deck and a hinge pin coupling the leveler to a loading dock. The deck is supported by a series of spaced box beams forming a trapezoidal cross-section with the underside of the deck.

Abstract: A stress laminated timber bridge deck is disclosed. The deck includes a transversely extending laminate of longitudinally extending timbers and a system for prestressing the laminate. The prestress system includes a pair of longitudinally extending stress distribution channels disposed on opposite sides of the laminate, a number of transversely oriented threaded tension rods, and threaded members, threadably engaged with the tension rods, for tensioning the rods. A disc spring assembly is disposed on each of the tension rods and compressed between the respective stress distribution channels and respective threaded members to reduce the effective stiffness of the deck and thereby reduce prestress losses due to wood creep and temperature variation. A method for measuring prestress in a tensioning rod of the deck of the present invention is disclosed.

Abstract: A pool cleaning apparatus is provided with spaced apart drive wheels for mobility and suction apparatus to clean the interior surface of the pool. A supplementary drive roller is provided generally between the drive wheels to move the cleaning apparatus off any convex irregularities that may otherwise strand the apparatus in one position in the pool.

Abstract: An apparatus wherein a herbicide applicator spray organization is mounted to a self-propelled street cleaning vehicle. The vehicle includes a forward rotary brush and a rear rotary brush, the forward rotary brush and herbicide applicator spray head are mounted to a parallel link support framework. A storage tank delivers the herbicide fluid to the spray head through a pump and valve interconnection.

Abstract: A wringer mop with auxiliary cleaning elements is disclosed. The wringer mop includes a mop head having a mounting member disposed at its center. The mop head is mountable on an operating rod by turning the mop head about its central vertical axis. Once mounted, the mop head is held in place by sets of wringer rollers. The wringer mop also includes a mop head housing having projections extending into the interior of the mop handle to limit lateral movement of the operating rod. The mop head housing is strengthened by channel-defining walls. Auxiliary cleaning elements and a bracket for mounting the auxiliary cleaning elements are also disclosed.

Abstract: The fabric strips of vertical blinds are cleaned using a novel method of apparatus. A strip is laid on an elongate tray and wetted with an appropriate washing liquid, e.g. a detergent solution. The strip is then passed along the tray between two counter-rotating brushes which act to scrub the opposite surfaces of the strip. Downstream of the brushes, the strip is sprayed with a rinse liquid. It then travels over a perforated section of the tray where it is subjected to a low pressure from below by a vacuum box communicating with a wet-dry vacuum. The cleaned, partially dry strips can then be hung to complete drying.

Abstract: The vehicle window cleaning device totally replaces the windshield wiper system. A combined housing houses an electrically powered blower and heater. The housing is ducted to air nozzles disposed below the windshield's bottom. Blower-forced air from the housing through the air nozzles impacts the entire windshield exterior with tremendous force to clean such surface by instantly blowing away dirt, water and moisture. High-temperature air heated by the heater and blower-forced through the air nozzles likewise impacts, melts and blows away ice, ice-encrusted snow and snow from the windshield's exterior surface and cleans such surface by blowing away dirt, water and moisture.

Abstract: A boiler soot blower provides a lance tube having a pair of opposed nozzles at its end. The lance tube is carried by a carriage for reciprocation between an extended and retracted position, and is caused to rotate about its longitudinal axis in timed relationship to the extension and retraction. A lost motion drive is provided for the rotation of the lance tube so that the nozzles produce a helical first spray pattern of cleaning fluid during extension and a second spray pattern of cleaning fluid during retraction which is offset from the first spray pattern and extends substantially midway between the adjacent portions of the first spray pattern. This results in a composite pattern which provides efficient cleaning.

Abstract: A caster bearing assembly attachable to a surface for facilitating the movement of a body along a roller plane located above the surface. The caster bearing assembly (10) includes a base part (16) mounted to the surface, a top part (18), bearings (20), and a roller assembly (22). The bearings fit within a bearing raceway (24) formed by an outer race (42) in the base part and an inner race (56) in the top part, thereby allowing the top part to fully and freely move relative to the base part. The bearings are inserted into the bearing raceway through an opening (58) extending from an exposed surface (54) of the top part to the bearing raceway. The opening is then sealed with a plug (60) having an inner surface (62) substantially matching the inner race at which the opening terminates. The roller assembly is fixedly attached to the top part so that the orientation of its rollers (26) may be varied.

Abstract: A slip-resistant, flexible, cushioning cover for a handle, formed of an elastomeric tube having at least one open end, said tube having ribs on an outside surface. The ribs each have sidewalls extending from the outside surface, and a top wall extending between the sidewalls, forming an outer surface of the ribs. The outer surface of the ribs is concave and the junctures of the top surface and the sidewalls have sharp edges.

Abstract: In a method for connecting at least two rods, wherein a binding apparatus, which is provided with a rotatable hook member, seizes a wire loop, which extends around the rods, and twists the loop during a pulling movement. The wire clamp or clip which has leg portion ends provided with locking means is brought around the rods to be connected in such a manner that, when viewed from the hook member the locking means are brought into engagement with each other behind the rods, and the closed wire clamp in front of the rods is seized by the hook member of the binding apparatus and twisted.The device is required for this purpose includes a binding apparatus which has a slide member connected to a displaceable gripping member for the forward advancement of the wire clamp and closing jaws which are adapted to bring the locking members on the wire clamp into engagement behind the rods to be connected.

Abstract: A divider clamp assembly for use in compressing the opposed sidewalls of a tubular, flexible-walled container against one another, the assembly comprising a first member being substantially U-shaped in cross-section and a second member of substantially round cross-section, the interior surface of the first member conforming in shape with the exterior shape of said second member, the U-shaped member preferably having integral, sharp edged ribs extending lengthwise on its inner surface and having oval-shaped rings on each of its ends positioned such that the rings hold the second member within each interior thereof, the second member being enlarged on both ends such that it may not be separated from the first member but may be compressed into the interior of the first member to form a tight fit therewith.

Abstract: The tie back tack is used to secure a four-in-hand necktie to a shirt with minimal lateral movement of the necktie and without puncturing the front pendant of the necktie. A four link chain extends from the tie back tack and is attached to a removable clasp. The removable clasp attaches to the front edge of the shirt and keeps the necktie not only in place but centered at all times.

Abstract: A fastening system for fastening devices using manual pressure includes at least two flexible opposed fastening members each of which has a plurality of alternating flexible burrs and burr seating cavities. The burrs of one member interdigitate with the burr cavities of the other member when pressed together. The head of the burrs lock into the opposing head cavities securely holding the fastened devices from sideways movement and separation. Also, the members disengage using manual force.

Abstract: A buckle for a safety belt system provided with a belt pretensioner is secured by a blocking pawl against unintentional opening at the end of the pretensioning stroke. By the locking pawl the release button is arrested at the housing before it has reached the end of its lost motion path. The driving of the locking pawl is by the inertia forces acting with a certain leverage at the center of gravity thereof at the end of the pretensioning stroke.

Abstract: A parachute canopy strap connecting device comprises a male strap connector having a locking tang including a locking notch, a female strap connector having a housing including a slot for receiving the tang for insertion to a locking position, and a locking lever having a handle mounted on the housing and including a lock shoulder movable into and out of the slot as the locking lever is moved between extreme lock and unlock positions. A spring are provided to bias the locking lever to lock position, and a cover lever is mounted on the housing for movement between positions covering and uncovering the locking lever handle. A second spring biases the cover lever to covering position, and a blocking pawl is mounted on the housing for movement between a normal biased position, blocking movement of the locking lever from unlock to lock positions, and an unblocking position forced by engagement of a contact surface by the locking tang, upon its insertion to locking position.

Abstract: Device for fastening lace up shoes, comprising a support for the shoe upper having at least one hole or slot for the passage of the ends of the laces provided at its lower part so that it is encountered close to the end holes of the shoe lacing, and lace retention means maintained fastened by means of flexible recentring members and capable of being uncoupled by exerting pressure thereon. The device has a lower concave surface coinciding with the curvature of the shoe upper on which it rests.

Abstract: A method and apparatus for forming fluff pads and the like wherein fluff providing material webs are introduced into separate hammermills and then delivered through a plurality of ducts through a moving screen under vacuum and wherein the ducts are characterized by reverse bends to densify the particle stream at the outside of the curvature for generally perpendicular deposition on the screen.

Abstract: A complex machine tool has a single frame having a chip collecting space at a center portion thereof, first and second spindle stocks on the frame, relatively free to move and drive in a Z axis direction and holding the chip collecting space therebetween, workpiece spindles on the spindle stocks free to rotate and drive and facing each other, and tool rests. The tool rests have turrets and can assume various kinds of movement. Complicated and varied types of machining can be performed combining the rotation control of the workpiece spindles and the spindle stocks.

Abstract: The known traveling steel pipe cutting machine of a milling type, which cuts a pipe while traveling in synchronism with a pipe manufacturing speed, is improved so as to facilitate the calculation of positional loci and the control of a milling cutter, to increase a rigidity of the machine and a life of the cutter, and to also make it possible to cut even a pipe having an asymmetric cross-sectional shape under the same set of operating conditions. A plurality of cutter heads each include a milling cutter, and are each supported and linearly fed in biaxial directions by respective guides and feed drive motors. A clamping device is positioned in the proximity of the milling cutters for holding and fixing the pipe. The cutter heads and the clamping device are disposed on a traveling truck.

Abstract: An intermittently rotary workpiece-holding table has operating units that move vertically relative to the table. The operating units are controlled by vertically swinging levers that are driven vertically at one end and at their other ends control the operating units. The levers pivot about fulcrums, each lever having two fulcrums spaced apart along its length. During a first portion of movement of the lever, that fulcrum is operative which gives the most rapid vertical movement to the operating unit. Then the first fulcrum becomes inoperative and the second fulcrum becomes operative, whereupon the speed of vertical movement of the operating unit slows, as for example for the performance of a work operation.

Abstract: The body of the file or rasp comprises an L-shaped profile with two flanks arranged at an angle, one flank being longer than the other and the protruding part forming a fitting that can be firmly fixed into the adaptor of a mechanical power tool.

Abstract: This automatic device for the putting in place of the valves of an internal combustion engine serves to insert half cones in a collar on the valve stem. Within a housing provided with a cover it comprises:a central slide displaceable in the direction indicated by the arrow A between a withdrawn position and a position of presentation of the double cones arranged on each side of the slide;a pair of jaws sliding on shafts, which jaws are spread apart when the slide is in presentation position, each jaw receiving a lever adapted to hold a half cone in its lower part and to push it towards the inside; andpush means cooperating with the collar in order to compress the valve spring in synchronism with the movement of the slide.This device operates whatever the inclination of the valve. Due to their small overall dimension, several devices can be placed alongside of each other.

Abstract: An apparatus for removing and installing a valve stem into an opening defined by a rim. An inoperable valve stem is removed from the rim from the outside of the rim, and an operable valve stem is installed into the rim from the outside of the rim, thus avoiding separating the tire side wall from the rim during removal and installation of the valve stem. The inserter comprises a tool using pressurized fluid to force a piston and piston rod out of a chamber. A conventional valve stem is forced through the inserter and through the opening defined by a wheel or rim.

Abstract: An apparatus is provided for installing and/or removing an electrical power meter with an electrical power distribution box the apparatus includes a sleeve which slides over the protective cover of the meter. Clips or other engaging members which releasably engage an outer ring bout the meter are formed at one end of the sleeve. An unlocking collar is mounted about the sleeve to unlock the clip when the meter is being removed. A hand grip for a user is mounted at an opposite end of the sleeve. A transparent, shatterproof cover is mounted in the sleeve at the end where the grip is located. Vent ports are provided in the sleeve to permit outlet of any gases.

Abstract: An apparatus for the exact positioning and fastening of several parts, which have an opening, onto a hollow body, whereby, in the initial state, the opening of said parts, which are to be fastened, is larger than the dimensions of the respective fastening positions of the hollow body. Before the fastening process is carried out by hydraulically expanding the hollow body, the parts are positioned at the respective fastening positions of the hollow body by placing the parts into the depressions of a mold, which comprises at least two parts. The hydraulic fluid is introduced into the hollow body via an inlet element, which is attached to the mold. To prevent leakage of the fluid and contamination of the workpiece, there is an expandable elastic container for the hydraulic fluid, disposed at the inlet element, which adjoins to one end of the hollow body. The container is inserted into the hollow body and is held by a support on its free face.

Abstract: A machining system for performing heavy duty milling and other repair operations under water is disclosed herein which is particularly useful in performing repair and maintenance operations in the core barrels of nuclear reactors. The machining system generally comprises a platform, a machining device which is detachably connectable to the platform which includes a drive motor and cutter necessary to effect the repair or maintenance operation, and a triaxial adjustment mechanism which permits the machine cutter to be precisely positioned at any desired location within the core barrel. The platform has a guide mechanism which includes both a rough and a fine guide means which precisely positions the machining device with respect to the platform when it is lowered thereon. A hydraulically operated lock remotely and detachably secures the machining device into position on the platform after the guide mechanism has properly positioned it.

Abstract: An apparatus for predicting twist out torque of a swage mount measures work done by a swage ram during a swaging operation. The apparatus includes a position sensor for sensing the position of the ram and a force sensor for sensing the force of the ram during the swaging operation. The apparatus gathers position and force information and calculates swaging work. Swaging work correlates with twist-out torque for a swage mount. Calculated swaging work is compared with a minimum acceptable swaging work value which is related to a minimum acceptable twist out torque level. If the swage work of a particular swage mount is below the minimum acceptable swage work level, an operator can reswage the mount and thereby strengthen the mount to avoid future failure due to rotation at the swage mount.

Abstract: A multi-walled composite tube member is formed from two superimposed pipes having a gap therebetween. The inner pipe is forcibly expanded in excess of the gap to deform and expand the outer pipe. The expander including a mandrel is forced through the aligned pipes while maintaining the longitudinal alignment. The diameter of the mandrel corresponding to the final desired diameter to finally size the composite pipe section and establish a true round inner passage. An induction heating coil operating at a low frequency operating in the range of low hundreds hertz in contrast to a conventional high frequency unit operating at thousands of hertz is coupled to and moved relative to the expanded pipe unit, progressively heats small lengths of the expanded pipe unit. The expanded pipe unit is quenched with a chilled brine solution applied to both surfaces.

Abstract: A metal composition is formed into a sheet by the method comprising; spray forming the metal composition to form a cylindrical deposit, and wire electric discharge machining the cylindrical deposit in a preselected spiral path parallel to the axis of the cylindrical deposit to form the sheet.