Abstract: A safety net for use with a lavatory to catch small items inadvertently dropped into the lavatory. The safety net includes a piece of net material sized to extend completely across the lavatory bowl in both directions and to allow the net material to conform somewhat to the bowl. Rather rigid end pieces are fixed to the net material to hold the net in place. The end pieces may be hinged to allow the safety net to be folded.

Abstract: Pollen trapping apparatus for placement at different levels within a segmented bee colony. The apparatus includes a centrally located pollen trap with an overlying scraper wherein both trapping and non-trapping operations can be performed by changing the position or orientation of the scraper without removing the apparatus from the colony.

Abstract: The present invention relates to a combination tool including an oil plug wrench and an integrally constructed elongated oil filler trough. To accommodate oil plugs of the type having a cap portion with upstanding studs or protrusions, the combination tool includes a wrench end with one or more openings formed therein to receive the upstanding protrusions from the oil cap. Integrally constructed with the wrench end is a trough-like device that is adapted to receive and channel oil towards an exiting end thereof. Additionally there is provided a can opener about the exiting end of the formed oil filler trough.

Abstract: A process for the treatment of textiles in rope form with gaseous and/or liquid treating agents in a jet dyeing unit, wherein the charging of the jet apparatus with the material rope as well as the material transport in the unit is effected by directing a gas current, especially steam, issuing from nozzles under excess pressure onto the fibrous material. To start the process, the gas current and the fluid current may be used alternately or may be combined. The process is particularly suitable for the isothermal dyeing of textiles in rope form with heat-fixable dyestuffs in accordance with the batchwise exhaustion method.

Abstract: Cleaning apparatus of the type including a cleaning head for cleaning submerged surfaces and a flapper valve for moving the head relative to the surface by oscillation thereof. An annular flexible disc located at the inlet end of the suction head surrounds a central opening below the flexible disc and at least one transverse inlet opening to the passage through the suction head is located above and adjacent the flexible disc. The transverse inlet opening is substantially symmetrical about the direction of movement of the head and faces in the general direction towards which the head moves in operation. An upper member held in spaced relation relative to the disc may be provided to define a flow path between it and the disc towards the transverse inlet opening.

Abstract: A floor maintenance machine includes a machine housing, a treating tool mounted on the machine housing for positional adjustment toward and away from the surface to be treated as considered in the operative position of the machine, an electric motor having a housing and an output shaft, and a transmission interposed between the output shaft of the motor and the treating tool and operative for transmitting torque therebetween. The motor housing is mounted on the machine housing for angular displacement in a range delimited by abutments on these housings about the axis of the output shaft and carries an eccentrically situated pin which is received in a slot of an adjusting lever which is rigid with a frame on which the treating tool is mounted, so that the tool is lifted when the torque increases and lowered when the torque decreases. A section of the machine housing is transparent and markings provided on the periphery of the motor housing are visible therethrough.

Abstract: A valve which may be interposed in a pipeline system in such a manner for injecting or launching of spheres into the interior of the pipeline individually and in sequence, and which may be alternatively interposed in the system for receiving previously injected spheres from the interior of the pipeline. The valve comprises a launch mechanism actuated by gravity and which has a single moving part, and in the receiving operation a blocking bar is provided for precluding incoming spheres from inadvertently or accidentally lodging within the valve body.

Abstract: A toothbrush having a bristle head and handle wherein the bristle rows are curved from front to back and wherein the handle is both bowed and also curved in a direction opposite to the curve of the bristles enabling the brush head bristles to make direct contact with the teeth and gum lines simultaneously.

Abstract: This invention comprises an absorbent pad unit covered by a coarse mesh screen and mounted on the head of a carpet cleaning device having a handle for manipulating it. The pad has an outer sheet of highly absorbent, acid-resistant paper reinforced with fiberglass strands and located next to the screen, an inner sheet of the same construction, and a relatively thick core of soft, highly absorbent material sandwiched between its outer and inner sheets for absorbing carpet cleaning residue which passes through the outer sheet when the screen rubs against the carpet as the cleaning head is moved across the carpet.

Abstract: An accessory transmission conversion mechanism of the type disclosed in the U.S. Pat. No. 4,177,539, to Elting, for causing the lance tube of a long retracting soot blower to oscillate about its longitudinal axis, is provided with a lost motion driving connection between the yoke driving gear and the crank of the Scotch yoke which generates the oscillating motion. A holding portion on the gear permits locking out such lost motion when desired. When lost motion is present, the blowing path is automatically changed when the blower reverses. When locked out, the blowing pattern is changed so that the jet traces the same path in each direction of movement.

Abstract: A nozzle for a vacuum cleaning apparatus having two movable working members, that is a brush nozzle and flat surface nozzle which can be alternately brought into contact with a working surface, such as a floor, by means of an actuating member operating between two end positions. A blocking means is arranged to block the actuating member in either of the end positions. The flat surface nozzle is arranged to be lowered to a position on the working surface in which the flat surface nozzle is located below the front edge of the brush nozzle in order to pick up dust and dirt near vertical surfaces.

Abstract: A soft tread caster that is manufactured by first molding a relatively rigid plastic hub with integral projections about its periphery and thereafter molding a softer plastic tread directly to the hub periphery so that the tread material flows around and under the projections. The projections consist of two adjacent annular rows of integral T-shaped projections on the outer surface of the hub with the rows being staggered to form a plurality of axially extending holes through the projections. When the tread is molded around the hub, tread material flows under the T-shaped projections securely holding the tread to the hub radially and it also flows through the axial holes, thereby locking the tread to the hub laterally.

Abstract: A two knuckle hinge has a pair of vertical bearings so that the hinge can be used interchangeably in left-handed and right-handed door installations.

Abstract: This invention relates to a spring hinge for eyeglasses having plastic or metal bows. The hinge includes a first hinge member which is adapted to be connected to a bow, and a second hinge member which is adapted to be connected to a frame center part, both hinge members being pivotally interconnected. The first hinge member is connected to an elongated U-shaped slider which extends into and is guided in a flat receptacle provided at the end of the bow. A spring member fitted on a rod is received in the slider for urging the same into the receptacle. The first hinge member has a portion overlapping the receptacle adjacent to the open end thereof. Between the slider and the overlapping portion, the first hinge member is further provided with a bevelled surface for engaging the outlet edge of the receptacle when the hinge is retracted so that there is no backlash during the movement of the bow from the inturned position to the normal open position.

Abstract: A latch release force is applied by a signal-controlled plunger on one side of a carrier body through a force transfer lever to a latch element slidably mounted on the other side of the carrier body which pivotally supports a hook held in a latched position by the latch element. The latch element is thereby displaced upwardly to release the hook for downward pivotal displacement and load drop off in response to downward displacement of the plunger producing a tilting moment on the body in the same angular direction as hook displacement.

Abstract: An apparatus and method for removing the torso portion of the skin from the carcass of an animal, such as a hog, includes an overhead support from which a carcass is suspended during the skin removing operation. The skin is first removed from the hind quarters of the carcass and then a cut is made in the skin of the torso completely around the carcass just rearwardly of the fore limbs. A flap forming blade makes a longitudinal cut in the carcass and the longitudinal edge of the skin defined by the longitudinal cut is gripped by revolvable toothed cylinders carried by a revolvable drum to form a flap which is wound about the toothed cylinder. A carcass engaging device holds the carcass against the drum during the flap forming operation. A flexible pressurized movable blade positioned adjacent the drum progressively cuts the skin from the carcass as the drum is revolved.

Abstract: The invention concerns a needle bar draw frame or gill box with a needle field or gilling area of needle bars carried by chains. With the aim of attaining the usual performances in respect of speed and drawing ratio at the same quality also in the case of voluminous short-staple slivers with draw frames operating with an upper and a lower needle field, control means engaging from above into the needle field are used in a draw frame provided merely with a lower needle field. These control means are constructed as bristle-like holding down devices which are arranged particularly immediately upstream of a pair of drawing rollers and possibly shortly downstream of a pair of entry rollers, while the central region is controlled in the usual manner by a bar roller or bar chain.

Abstract: A wellhead slip formed from a plurality of slip segments adapted to be arranged in a closed circular fashion around a tubular member so as to form a plurality of vertical gaps all but one of which are defined as "hinge" gaps, the remaining gap being defined as an "opening" gap, the slip segments being provided with aligned circumferential grooves constituting, in effect, a peripheral groove for the complete slip. A hinge yoke is received in the circumferential grooves in the area of each hinge gap and spanning the hinge gap, each hinge yoke being provided with a notch adjacent each of its opposite ends and facing outwardly from the groove. A hinge pin passes through holes above and below the groove in the area of each notch whereby the notches are received behind the hinge pins and whereby all of the slip segments can be moved hingedly outwardly from the closed circular position by opening at the opening gap.

Abstract: A method of preserving anatomical specimens for long periods of time including the steps of encasing the specimen in an air-tight container, exchanging the atmospheric contents in the container with an inert gas, and irradiating the specimen.

Abstract: The method of fabricating a coreless hollow filament bundle of interlaced hollow filaments to be used as the membrane elements in a separatory module comprising the steps of providing first and second axially spaced co-axially rotatable engagement members carrying filament receiving arms, concomitantly rotating said rotatable engagement members while alternately engaging filaments upon a respective filament receiving arm of one rotary member, causing said filament to traverse the space between said first rotary member and the second rotary member and engaging said filament upon a receiving arm of said second rotary member, and continuously feeding said filament between said receiving arms of said rotary members so as to provide a coreless bundle of filaments interlacing with one another in left and right hand helices at angles to the common axis of rotation of the two rotary members.

Abstract: A modular yarn craft system is provided wherein preformed central sections having a plurality of rods extending outward therefrom are mateably connectable with each other or tubular members so as to provide a connection zone between the elements having a continuous cross-section for providing a continuous flush modular framework. Yarn is continuously wrapped around that modular framework so as to produce a substantially flush wrapped fiber design.

Abstract: Conventional techniques for fabricating a sabot projectile independently manufacture the projectile and the sabot, and by attachment means these components are secured to one another or held together by a device during molding with a plastic jacket. With the inventive method for producing a sabot projectile and the sabot projectile produced thereby, there is disclosed a method suitable for mass production wherein the sabot, composed of a metal alloy, is directly molded in a first mold, at the projectile body. Holder means are formed which, following the molding operation, retain the sabot at the projectile body. Thereafter, in a second mold, the plastic jacket is molded onto the projectile body and the sabot.

Abstract: A method of making a spark plug which is suitable for use in an internal combustion engine. The method comprises the steps of providing a tubular outer sheath of corrosion and erosion resistant metal and locating a thermally conductive core in the bore of the sheath. The sheath is worked down onto the core and the exposed end of the core is covered over by melting the outer sheath.

Abstract: The disclosure relates to an improvement in multiple spindle, single drive, rotary indexing machine tool systems. The basic machine comprises a fixed circular base and a central, upwardly projecting column. An indexing circular worktable is mounted on the base, for incremental, rotary indexing movements about the central column. The worktable carries a number of rotatable, work-holding chucks or spindles, which are progressively indexable with the worktable from a loading station progressively through a series of rotationally displaced work positions. Pursuant to the invention, one of the work stations is arranged to be mechanically independent of the primary machine drive and is provided with a tool slide with independent, numerically controlled motors for X and Y axis tool movement, and a third independent motor for spindle rotation.

Abstract: Hydraulic pliers useful for mounting and dismounting snap rings (otherwise called C-shaped stop rings) of large nominal diameter. They comprise a hand-holdable plier main body having working fluid contained therein, a hydraulic piston mechanism contained in the plier main body and adapted to be moved by hydraulic forces exerted by manual pumping operation effected by gripping action applied from outside, and a working-pin opening and closing mechanism mounted on a plier head for operative connection to the hydraulic piston and adapted to be opened or closed in the same plane and at right angles to the directon of movement of the hydraulic piston as the latter advances. The hydraulic pliers do not require any accessory equipment and are handy to carry. Thus, they are designed to expand or contract snap rings of large diameter lightly and efficiently by their hydraulic force.

Abstract: This invention relates to a method for reinforcing and repairing cast iron molds by surrounding the mold with a closely fitted steel plate or plates, connecting the ends of the steel plate or plates to form a continuous band, attaching the continuous band to the cast iron mold and locating spacers between the cast iron mold and the continuous band to elevate the band from the cast iron mold wall surface. This invention further relates to a method for reducing shear stress on the means by which the continuous band is attached to the mold by locating the means of attachment around a corner from the source of stress at an obtuse angle to the mold wall being reinforced.

Abstract: A novel self-align type method of making an FET with a very short gate length and a good high frequency characteristic, and a low noise characteristic, the method comprising the steps of:forming on a silicon epitaxial layer (13) of n-type conductivity a doped oxide film (14) containing boron as an impurity to give p-type conductivity,forming a mask (15a, 16a) containing Si.sub.3 N.sub.

Abstract: In an exemplary embodiment, a first polysilicon layer is provided with a SiO.sub.2 mask, and the first polysilicon layer is etched away under the SiO.sub.2 mask to produce SiO.sub.2 overhangs of a lateral extent corresponding to about twice the edge position error (.sup..+-. s). Then when second polysilicon layers are produced by means of chemical vapor deposition (CVD), to occupy the cavities under the SiO.sub.2 overhangs, the desired nonoverlapping poly-Si-2 electrodes result after definition of those poly-Si-2 electrodes by known lithographical techniques.

Abstract: An improved method of providing a semiconductor device having a semiconductor substrate containing solid state signal processing circuitry. The solid state signal processing circuitry comprises doped regions of predetermined resistivity within the semiconductor substrate. A passivation layer covers a surface of the semiconductor substrate with electrical contacts to the solid state signal processing circuitry exposed through the passivation layer. The improvement comprises forming, on the electrical contacts, contact pads which have an upper surface devoid of a depressed center region. After the forming step, an adhering insulator material is deposited over the passivation layer, and a semiconductor wafer is mounted onto the substrate above the contact pads to form an assembly.

Abstract: The first, second and third winding for the stator of a three phase AC machine having n grooves per pole and phase are wound either sequentially or simultaneously. When wound sequentially, the first, second and third winding start at, respectively, a first, second and third groove and end at a first, second and third end groove. The starting grooves are adjacent grooves, that is spaced from each other by a number of grooves equal to n. The same is true for the end grooves. The wires are then interconnected such that the winding start and the winding end of the second winding are electrically interchanged. The winding process takes place in one direction only. When all windings are wound simultaneously, the winding process takes place in a first direction and, upon reaching the end grooves, the winding direction is reversed without creating a winding end at the end grooves. The winding ends are created when the winding in the opposite direction is completed.

Abstract: A method and apparatus for protecting the slot liner cuffs during insertion of prewound coils in the manufacture of stators for electric motors and other dynamoelectric apparatus. In order to protect the slot liner cuffs, which protrude beyond the face of the magnetic core, a plurality of movable fingers are positioned between the cuffs of those stator slots which have the greatest slot fill. As the windings are pulled into the appropriate slots of the magnetic core, they ride over and are at least partially supported by the highly polished surfaces of the fingers, which are in close proximity to the liner cuffs and extend slightly beyond the ends of the cuffs. This prevents the full force of the coil from being exerted against the cuffs as the coil is pulled into the slots, thereby avoiding damage to the cuffs which may otherwise result in exposing the wires of the coil to the sharp edges of the stator core.

Abstract: In the method for manufacturing annular portions of magnetic heads, a gap between the confronting end surfaces of the magnetic heads is filled with glass. In one of the conventional processes, the glass is sucked into the gap by a capillary action of the gap, but bubbles are liable to form in the glass. The method according to the present invention comprises a step of heating the glass to a relatively low temperature capable of causing the glass to be flowable and applying a centrifugal force to the glass being heated in a rotatable support of a heating furnace. As a result of the centrifugal force, the tendency to form bubbles is considerably reduced as compared with the conventional methods.

Abstract: A method of making a control device having an opening therein, at least a pair of abutments on the control device within the opening and having a pair of laterally spaced apart points thereon defining a chord of the opening, and a snap-action member in the opening and operable between a stable configuration and an unstable configuration thereof with the snap action member being engaged only in the unstable configuration thereof the at least abutment means pair. In this method, the snap-action member is formed into the stable configuration thereof from a metallic material having a directed grain structure. The snap-action member is seated on the control device in a preselected assembly position so as to extend at least in part about the opening, and the direction of the grain orientation of the snap-action member is aligned so as to extend generally perpendicularly with respect to the chord of the opening.

Abstract: A battery cell assembly system is characterized by an apparatus for automatically packaging battery plates in separator material, and for then positioning a plurality of the plates side by side in an open ended outer container of the cell to alternate negative and positive plates. The apparatus has a casting station whereat lugs on plates of like polarity are joined and posts added to the cell, and a sealing station at which a cover is placed on the open end of the container to complete the cell.

Abstract: The disclosure relates to a method and apparatus for compressing winding elements in the slot of an electric machine with a pneumatic compressing element, which, in a preferred embodiment, consists of a rubber bellows, configured for insertion in the slot, with a rigid conduit disposed inside the bellows for delivering pressurized fluid to the bellows.

Abstract: This invention relates generally to burn-in apparatus and methods for stressing the physical and electrical limits of electronic components under controlled environmental and load conditions and more particularly to a system for temporarily packaging a plurality of semiconductors such that they can be connected to a common electrical input while under controlled environmental conditions including extremes of temperature. The invention has special utility in the handling of integrated circuit devices of the dual-in-line packaging type.

Abstract: A hand tool for inserting or removing electrical contacts from rear release connectors has an elongated body split lengthwise into a receiver and a cover each of which carries one of a pair of contact holders which are adapted to hold a contact therebetween. The cover is pivotally attached to the rear of the receiver and can be opened for changing or ejecting contacts into or from the tool. In the closed position the cover can be positioned forwardly to align the ends of the contact holders for removal, or rearwardly to misalign the ends of the contact holders for insertion, of a contact from or into a connector.

Abstract: An apparatus for programming conductors in a flat ribbon cable into two parallel planes and terminating the conductors in a two-sided connector is disclosed. The apparatus while manually operated is adaptable to semi-automatic operation.

Abstract: A machine tool for scribing arcs and circles on work pieces comprising an elongated arm having a vertical stud adjacent one end for mounting in a chuck on a rotary spindle, a slide having a plurality of scribing styluses of different sizes disposed at an angle to each other and extending perpendicularly from the outer surface, the slide being movable along the arm to dispose the styluses selectively at desired precise distances from the stud and the slide also being rotatable on the arm to position one of the styluses in parallelism with the stud, a clamping thumb screw threaded into the slide for engagement with the arm to releasably secure the slide to arm at a selected position thereon, slide having a notch extending into the face nearest stud and adapted to receive the same when very small radii are desired, and a fixed reference flange on the stud end of arm positioned outwardly from the axis of stud a distance equal to the distance between the axis of the stylus on slide and the face of the slide neares

Abstract: In accordance with the present invention a motorized sabre saw for reciprocating an elongated saw blade, or the like, is provided with a saw bar and blade holder or chuck combination wherein an end portion of the saw bar is of generally circular cylindrical configuration having a longitudinally extending groove therein having a first wall spaced apart from a radius of the bar a distance substantially equal to one-half the thickness of the blade to be driven thereby and generally parallel such radius and a second wall generally perpendicular the first wall extending from the first wall across such radius with the first and second walls defining therebetween a generally square shoulder whereby a blade clamped thereagainst will be generally bisected by such radius, together with a clamp block mounted with the saw bar over at least a portion of such groove and having a first generally cylindrical aperture a major portion of which is generally circular and complementary to the end portion of the saw bar and the re

Abstract: A pressure sensitive adhesively backed disposable measuring tape which has desirable properties that increase its utility. The tape has a combination of tensile strength, adhesion strength, elasticity and markability which make it desirable for use in common measuring applications.The tape is manufactured by passing a creped paper adhesively backed tape over a printing drum which has a rubber matte around its periphery. The rubber matte is embossed with a set of false indicia so that as a result of the normal method of mounting on the outer surface of the drum the outer surface of the matte indicates and prints a correct set of indicia on a creped paper tape.

Abstract: Standard block comprising an element (L) kept in vibration by means of the motor (M). As soon as an object comes into mechanical contact with the measuring surface (C), the flexible-part (F) gives very slightly allowing the regulating screw (Vi) to disturb the free oscillations of the element (L). The detector (E) detects this disturbance and signals the moment of mechanical contact by means of the lamp (La) for example. The standard block allows precise measurements to be taken by announcing the moment of contact, without the measurement precision being influenced by the contact pressure.

Abstract: An apparatus for checking linear dimensions of shafts comprising, a frame, a centering means connected to the frame to define a horizontal axis for supporting the shaft, a supporting device fixed to the frame, measuring groups adapted to cooperate with the shaft surfaces and connection means which connect the measuring groups to the supporting device. The connection means are adapted to allow the measuring groups to move towards and away from the shafts, along planes perpendicular to the horizontal axis, from up to down and vice versa.

Abstract: An apparatus for making orientation measurements in a drill string within a well bore comprising a tubular housing (22) adapted for insertion into the drill string and first (13) and second (15) measuring devices in the housing for measuring first and second orientation characteristics, respectively, of the drill string. A signal generator (23) is responsive to the two measuring devices to provide a signal which is representative of the orientation characteristics measured. The measuring devices are operated alternately so that the signal from the signal generator is alternately representative of the first and second orientation characteristics. The signal from the signal generator, when the latter is controlled by the first measuring device, is different from the signal when the latter is controlled by the second measuring device so that it is readily apparent which of the two measuring devices is reporting.

Abstract: A drawing apparatus includes a base member of rectangular form with front, rear and opposite side margins and an upper surface with a compass rose plate for affixing a drawing sheet thereon and pivotally mounted to the base member upper surface. A carriage frame is positioned generally on the upper surface of the base member and has spaced guide members slidably mounted to the base member side margins and interconnected by a crossbar for coordinated translatory movement. A parallel rule structure is supported by the carriage frame and has first and second drawing bars and first and second links forming an expansible and contractible parallelogram generally positioned atop the compass rose plate. The links are respectively mounted to the spaced guide members of the carriage frame for sliding movement therewith over the compass rose plate and for positioning the parallelogram rule structure at selected locations thereon.

Abstract: Indefinite strand yarn is steam and heat treated in an enclosure. The yarn travels in an indefinite length moving coil through a tunnel that extends through the enclosure, with steam being supplied to the enclosure and the exhaust pipes leading from adjacent the inlet and outlet of the tunnel to a blower for exhaust to the exterior of the enclosure. Periodically, the buildup of yarn filaments and partially solidified condensate on the interior surfaces are removed by spraying liquid solvent along such surfaces, preferably with nozzles that spray solid cones of liquid solvent axially down the various pipes and automatic timed controls for sequencing such spraying.

Abstract: In apparatus and method for treating granular product within a cylindrical chamber as the product, by the force of gravity, falls through a plurality of regions maintained at varying temperature and pressure. Structure formed by at least a pair of collectors is connected tangentially to a housing surrounding the regions to withdraw gas from and reintroduce gas to the cylindrical chamber. Particularly gas is withdrawn from a lower region, treated by heating and dilution with flue gases prior to reintroduction. Movement of gas is provided by a ventilator which serves to draw fresh air into the cylindrical chamber from the vicinity of the lower region. The flow of gas, the temperature of the gas, and the pressure within the regions result in granular product first moving counter to the flow of gas, then with the flow of gas, and then counter to the flow of gas. The granular product is heated, maintained at a heated temperature, and cooled within these flows.

Abstract: A ski boot is constructed with a relatively rigid bottom foot enclosure adapted to couple with a bottom traction component comprised of heel and sole portions. Traction components with traction surfaces of varying characteristics, dependent upon their intended use, may be interchangeably installed on the boot through snap lock elements integral with the foot enclosure and traction components.

Abstract: A one-piece light metal alloy snowshoe is coupled to a boot attached to a crampon/binding assembly via a fixed pivot assembly. A quick lock-release device of the crampon/binding assembly may be adjusted to accommodate any size boot. Thereafter, the simple moving of a locking-release lever will firmly attach and release the boot to the crampon assembly and the snowshoe.

Abstract: Dredge with drag pipe, consisting of a number of pipe sections interconnected by hinged joints, whereby drag lines are connected to said hinged joints and to the front and rear end of the drag pipe and furthermore the rotatably supported front end of the drag pipe is guided into vertical guiding elements at the side wall of the ship and the rear end carries the drag head. The dredge contains for each drag line a separate winch, controlled by an electronic control unit for automatically moving the drag pipe outboard, lowering the rising the drag pipe and moving the drag pipe inboard. During the whole dredge operation from the outboard movement of the drag pipe unitl the inboard movement thereof the unwound drag line length of each winch is measured, whereby the electronic control unit determines based on said measured drag line length at each moment the position of the drag pipe.