Abstract: A reliable and efficient device for the treatment of liquid system, to inhibit scale formation, subjects the liquid to an electrostatic field and includes a pair of concentric cylindrical electrodes mounted one within the other with a dielectrically isolated flow passage therebetween. The outer surface of the inner electrode and the inner surface of the outer electrode each have a layer of electrical insulation thereon to severely limit current flow to and from the liquid, and a circuit is provided for continually applying D.C. potential to the electrodes. Dielectric fluid fittings connect the device into a liquid system. The dimensions of the inner and outer electrodes and the thickness of the insulation thereon are determined, according to the parameters of the liquid system and the chemistry of the liquid, from a mathematical model of the treating device as the equivalent of three capacitors connected in series.

Abstract: A round bale handling device for use with conventional farm tractor front end loaders includes a normally vertical, forwardly tiltable frame having a pair of shafts with a plurality of tines thereon mounted for partial rotation about longitudinal axes thereof, permitting grasping of a bale positioned therebetween for handling without substantial compression of the bale surface. Motive structure is provided to rotate the shafts to engage and disengage bales, and quick detach hitch members secure the bale handling device to the loader for manipulation by the tractor operator.

Abstract: The administration internally to humans of 1-(.beta.-hydroxyethyl)-2-methyl-5-nitromidazole, (metronidazole) in a dosage range for adult humans of about 31 to 2,500 mgs per 24 hour period, is an effective therapeutic treatment for viral regional ileitis.

Abstract: The application of an electrostatic field across energy fuels subsequently burned in a reciprocating internal combustion engine improves anti-knock characteristics, thereby increasing available energy for engine operation.

Abstract: A support for containers such as cans for garbage, trash and the like, comprising a base, a band attached thereto, and a quick release, locking mechanism operably connected to the band for manipulatng the same. The locking mechanism tightens and loosens the band about the container which is disposed on the base, thereby releasably fastening the trash or garbage can to the base. The base is attached to the floor of a building or to the ground in closely spaced relation thereto to prevent the inadvertent upsetting of the can, and requires a minimum of lifting for removal of the trash can. The band is circumferentially adjustable and slideably connected with the base for supporting and securing variously sized cans with stops or keepers to prevent accidental separation of the parts thereof.

Abstract: A mailing envelope comprises a plurality of interconnected panel members forming a first pocket adapted for receiving a machine inserted enclosure therein, and a second pocket overlapping and smaller in width than the first pocket and adapted for receiving a hand inserted address card therein. A duplex closure flap for sealing said pocket has a perforation line extending from the flap inner edge to the flap outer edge and laterally divides the closure flap into two mutually separable portions, one of which is coincident with the insert opening of the second pocket. Each of said portions includes adhesive sealing means thereon whereby both pockets may be closed by sealing the other closure flap portion, the second pocket being resealably openable by tearingly separating said one closure flap portion from the other along the perforation line.

Abstract: In a power and free conveyor system which comprises a train of free trolleys including a leading trolley and one or more following trolleys, one of the following trolleys is provided with a transfer dog that remains fully retracted within the trolley track and out of contact therewith until conveying of the train is to be transferred from a first to a second powered conveying chain. To initiate the transfer, a power dog on the first chain disengages from a drive dog on the leading trolley, and the transfer dog is raised out of the following trolley for engagement with another power dog on the first chain. Engagement of the transfer dog with the power dog is maintained preferably throughout the transfer area until the leading trolley is adjacent to the second conveyor chain for engagement of a power dog thereon with the drive dog of the leading trolley.

Abstract: A safety pressure relief device of the reverse buckling type includes a puncturing element and a rupture disc having a groove or score line formed in the flange portion of the disc. The score line does not materially affect the rated pressure of the device during normal operation, and functions as a backup safety feature by providing a line of weakness along which the disc will tear if the pressure relief device is accidentally placed in a backward or reversed orientation with respect to the process, and/or if the cutting blades are inadvertently omitted from the rupture disc assembly.

Abstract: A stroboscopic timing light is mounted on the ignition point carrying plate of an internal combustion engine and, when actuated, fires with a selected spark plug operating pulse, thereby illuminating marks located on an adjacent member rotating with the point breaker cam, permitting great convenience in checking and adjusting engine ignition timing.

Abstract: An agricultural vehicle for collecting and transporting hay bales includes a mobile frame having laterally spaced side members each having a plurality of bale lifting and supporting members movably mounted thereon and arranged in longitudinally spaced and laterally opposed pairs. The agricultural vehicle includes power means for moving the bale lifting and supporting members between a depending position and a bale supporting position. The agricultural vehicle may be a trailer and includes a tongue member pivotally connected to a forward end of one of the frame side members and movable between a first position with the vehicle and a prime mover in longitudinal alignment and a second position with the vehicle parallel with and laterally offset from prime mover.

Abstract: An adjustable portable irrigation dam for use in an irrigation ditch is operative to selectively raise the water level upstream of the dam thereby permitting removal of water for irrigation of crops. The dam includes an elongated sheet support member extending transversely across the irrigation ditch and being rotatably supported in members selectively positioned on opposite sides of said ditch to resist forces thereon so that rotation of said support member will selectively raise and lower one end portion of a sheet of a flexible material into and out of blocking relation to the irrigation ditch. Retaining mechanism is connected to the sheet support member for selectively retaining the support member and the flexible sheet in a selected position.

Abstract: A cylinder lock assembly includes a tubular housing rotatably receiving therein an elongated unitary barrel having a configuration suitable for single step diecast fabrication without the extremely complex coring and secondary operations heretofore required. The barrel contains a plurality of easily diecast and assembled, open sided tumblers in face to face sliding engagement, each of which is individually engaged by a finger of a unitary, multi-fingered resilient member for urging the respective tumbler into a locked position until displaced by a key moved transversely through a slot formed in each tumbler. Modified forms include a dust door receiving cavity which has a dust cover integral with the barrel and a dust door closing spring integral with the tumbler contacting resilient member. Also, simplified structures are provided to retain the barrel in the housing.

Abstract: Method and means are disclosed for converting substances from a solid state to a liquid state by melting. The invention is especially useful for liquifying organic substances, such as edible glycerides, that have a relatively low melting point and which must be guarded against degradation caused by overheating.

Abstract: The present invention pertains to a display rack, for greeting cards or the like, which comprises compartmented tray sections that are engaged in an edge-to-edge relationship to provide a card rack of desired width. More specifically, the assembled card rack comprises a first tray section having dividers therein for separating a plurality of compartments for cards, and a second tray section that includes a slotted, downwardly projecting flap that is emplaced in the first section. The dividers of the first section are inserted into the slots of the flap on the second section, and interlocking means can be included for preventing inadvertent disengagement of the assembled sections.

Abstract: A rotor and cutting line for flexible-line vegetation cutters such as lawn trimmers, include a disc-shaped body having a central portion thereof connected with the drive shaft of the trimmer for bodily rotating the head. At least one entry and one exit opening are in the head with the exit opening positioned substantially radially through a peripheral portion of the body, and the openings are communicatively joined by an elongate passageway which extends within the body and has curvilinear or non-linear portion for engaging the cutting line. A flexible cutting line having a free end and another end portion having a portion larger than the entrance opening, is threaded through the openings and the elongate passageway, such that the enlarged end portion of the flexible line is disposed adjacent to and outwardly of the entrance opening, abuttingly engages the body and cooperates with the engagement of the line and passageway surfaces to removably secure the same within the rotor head.

Abstract: An apparatus and method for continuously peeling vegetables and fruits in large quantities. The apparatus includes a support structure with a housing rotatably mounted thereon, the housing having a plurality of closely spaced-apart, rotating abrading spindles mounted thereon forming an enclosed cage. Rotation of the cage at a sufficient rate accelerates produce items engaging the spindles into generally circular orbits at a speed which results in the produce items being held against the rotating spindles by centrifugal force. The centrifugal force generated by the rotation of the cage also urges peelings outwardly of the cage between the spindles for discharge. A finger drum is rotatably mounted on said support structure within the cage and has a plurality of flexible fingers thereon adapted to engage produce items as they move from a feed end to a discharge end of the housing. Rotation of the finger drum causes the fingers to urge the produce items into initial engagement with the spindles.

Abstract: A vehicle axle straightening system for straightening a bent and twisted vehicle axle includes members engaging the axle to hold certain portions while forces are applied to the axle at portions spaced therefrom to bend and twist the axle to return same to its original orientation, the system particularly includes a pair of axle engaging assemblies each extending between and having opposite end portions thereof attached to respective anchors mounted in a floor and each assembly having a top member engageable with an upper surface of the vehicle axle thereby resisting upward movement of the respective engaged portion of the vehicle axle in response to an upwardly directed force by a force applying device extending between the floor and a selected portion of the vehicle axle and spaced from the axle engaging assemblies.

Abstract: A sprinkler is disclosed which comprises a flange attached to a bracket on the sprinkler body by means of boss and shoulder joints, e.g. bayonet joints. The flange can serve as a bracing means which prevents sagging of ceiling tile or unwanted retraction of the sprinkler head rearward of an opening in a sidewall. When used with recessed sprinklers, a cover plate can be attached to the flange with a bonding material having a low softening point. By means of the boss and shoulder joints, the flange and the attached cover plate can be easily mounted on the sprinkler as a subassembly, and can be just as easily removed therefrom for inspection and/or servicing of the sprinkler.

Abstract: A chair structure comprising a one-piece, loop-shaped tubular frame having a pair of leg structures depending from and supporting the frame. A mesh body support member including a back and seat portion having a plurality of relatively closely interwoven metallic strands, with the strand ends at side and end marginal portions securely connected to the frame. The support member is formed of resiliently flexible mesh material whereby the same elastically yields to the weight of a user, such that the chair back and seat has a small curvature and an attractive appearance and yields tending to conform comfortably to the seated shape of the user.

Abstract: An apparatus and method for continuously peeling vegetables and fruits in large quantities. The apparatus 1ncludes a support structure with a housing rotatably mounted thereon, the housing having a plurality of closely spaced-apart, rotating abrading spindles mounted thereon forming an enclosed cage. Rotation of the cage at a sufficient rate accelerates produce items engaging the spindles into generally circular orbits at a speed which results in the produce items being held against the rotating spindles by centrifugal force. The centrifugal force generated by the rotation of the cage also urges peelings outwardly of the cage between the spindles for discharge. A finger drum is rotatably mounted on said support structure within the cage and has a plurality of flexible fingers thereon adapted to engage produce items as they move from a feed end to a discharge end of the housing. Rotation of the finger drum causes the fingers to urge the produce items into initial engagement with the spindles.