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| Number | Title | Issue Date |
| 4677800 | Lightweight roofing system An insulated roofing system is provided in which a waterproof membrane is applied to the roof deck. Extruded panels of closed cell polystyrene foam are provided on top of the membrane, thus protecting the membrane from thermal cycling, ultraviolet rays, a... | 07/07/1987 |
| 4667613 | Horizontal industrial boiler system with improved ash removal means There is disclosed a boiler system in which ash-bearing fuels are fired in horizontal suspension and in which provision is made for the removal of the ash without shutting down or reducing the output of the system. The system comprises an upper water and ... | 05/26/1987 |
| 4666725 | Process for producing blood powder Blood is supplied continuously from a blood collecting vessel to a stirrer through a pump located at the bottom of the vessel. Vapor in the form of heated live steam is sprayed against the blood in the stirrer to coagulate a protein in the serum. The bloo... | 05/19/1987 |
| 4662055 | Flange alignment tool and method for using same A flange alignment tool comprises a body portion having a first, relatively flat surface disposed for abutting engagement with a rear surface of a pipe flange and a second, curvilinear surface adjacent the first surface and shaped for complementary engage... | 05/05/1987 |
| 4658471 | Hinge with no tubular portion and method of producing the same A hinge with a left-hand side flap plate and a right-hand side flap plate, each of which has no tubular portion for receiving a shaft bar. Each side flap plate has on its end at least one shaft plate having at least one communication hole and at least one... | 04/21/1987 |
| 4659345 | Scrubber/degasser apparatus A scrubbing/degassing apparatus comprises a degassing column for removing extraneous gaseous matter from water; and a flow control arrangement for controlling a flow of water to the degassing column. The flow control arrangement comprises an upper reservo... | 04/21/1987 |
| 4657870 | Incubator optical system for viewing sterilization indicator An optical system is provided for viewing a sterilization indicator including a receptacle, the receptacle having a translucent portion and being carried interiorally of an incubator. The optical system comprises a light source, and first light transmissi... | 04/14/1987 |
| 4657425 | Device for locking rod against movement in extending and contracting directions A device for locking a rod against movement in an extending or contracting direction is disclosed. In the device, a torsion spring is provided between a cylindrical receptacle and an operating member rotatably mounted thereon. The rod member, which is ins... | 04/14/1987 |
| 4657291 | Locking device A locking device is disclosed, which is locked when a spike secured to the back surface of a door is pushed once and is released when the spike is pushed once again. The locking device comprises a case open at one end and having a wall provided with a spr... | 04/14/1987 |
| 4657308 | Mineral cutter pick A mineral cutter pick 1 comprises a head 2 terminating at one end thereof in a hard material tip 3, an integral shank 4 extending from the head 2 in a direction away from the tip 3, at least one laterally extending shoulder 5 provided on the head 2, and a... | 04/14/1987 |
| 4653616 | Damper A damper for braking the opening speed of the hatch of a cassette tape holder of a recorder comprises a rotary member such as a gear member and a supporting member for supporting the rotary member, a viscous substance for producing a braking torque being ... | 03/31/1987 |
| 4653527 | Pressure relief valve A pressure relief valve is disclosed. The pressure relief valve comprises a valve housing including fluid passageways, a poppet valve disposed within the housing, a piston disposed within the housing, and spring means disposed intermediate the piston and ... | 03/31/1987 |
| 4653155 | Wire bundling harness A wire bundling harness adapted for electrical wiring use, comprising a band to be wrapped around the wires, a buckle in which the band is inserted, and a metal slider which is slidably molded in the buckle as a molded-in part thereof to make it possible ... | 03/31/1987 |
| 4653519 | Rinsing apparatus for contact lens cleaning system A rinsing apparatus is provided for a contact lens cleaning system. This rinsing apparatus comprises a container for receiving a quantity of rinsing fluid, receptacles for receiving contact lenses and an agitator mounted in the container for a compound ag... | 03/31/1987 |
| 4652147 | Direction turning passage of rolling bearing for rectilinear motion There is a direction turning passage of a rolling bearing for a rectilinear motion comprising: a track member and a slide member which are slidably come into engagement with each other between first and second track surfaces formed in the track and slide ... | 03/24/1987 |
| 4652056 | Mineral cutting device A mineral cutting device comprises a plurality of replaceable picks (10, 10A-10G) and associated water conveying lances (20, 20A-20G), each lance being of flexible, tubular synthetic plastics material having a hollow, water-conveying interior and being co... | 03/24/1987 |
| 4649288 | Pre-start warning system and machine incorporating such system A power supply system for supplying electrical energy at an I.S. level to an electrical machine e.g. of a mineral mining machine, comprises two low speed generators A and B mechanically coupled together at coupling 3 and rotatable by means of a drive shaf... | 03/10/1987 |
| 4646940 | Method and apparatus for accurately measuring volume of gas flowing as a result of differential pressure A method of accurately measuring volume of gas flowing through a conduit as a result of differential pressure of the gas within the conduit is disclosed. The method comprises determining flow of the gas through the conduit, and terminating flow of the gas... | 03/03/1987 |
| 4644611 | Snap hook A snap hook comprises a base member having a J-shaped hook and a flexible member, and a slider mounted on the base member for movement in directions perpendicular to the longitudinal direction of the base member to open and close the J-shaped hook, wherei... | 02/24/1987 |
| 4644958 | Inhalation therapy apparatus adapter A throw-away plastic mouthpiece of low cost and producing a pressure differential upon inhalation is substituted for the rotary turbine and electronics mouthpiece of a known Spirocare respiratory therapy apparatus. The pressure differential is converted t... | 02/24/1987 |
| 4645396 | Wood-metal drill screw There is disclosed screw adapted to fasten two or more juxtaposed workpieces which comprises a threaded shank defining an axis and a major thread diameter. A drilling tip is provided which extends from the shank and includes a pair of cutting edges. Mater... | 02/24/1987 |
| 4644812 | Gear mechanism for brake adjustment Adjusting mechanism is provided for the brakes of a highway trailer. A brake lever is actuated by a pneumatic cylinder and carries a worm gear which is mounted for turning with the lever, and also independently of the lever. The worm gear is splined for n... | 02/24/1987 |
| 4644614 | Plastic fastener for spacing and supporting two plates A fastener has a first plate-like base portion provided with an upright portion united by a hinge portion to an L-shaped portion terminating in a second plate-like base portion. The second plate-like base portion can be turned about the hinge portion to b... | 02/24/1987 |
| 4643193 | ECG electrode with sensing element having a conductive coating in a pattern thereon A medical electrode comprises a flat, resilient, electrically non-conductive backing member; a flat sensor element applied to one surface of the backing member and positioned for leaving a portion of this one surface exposed about a major portion of the p... | 02/17/1987 |
| 4641689 | Method and equipment for making wire strands Equipment for making a wire strand is characterised by the following features; an elongate track (12); a clamp (14) at one, leading end of the track rotatable about an axis parallel to the track; an anchor frame (15) at the other trailing end of the track... | 02/10/1987 |
| 4640230 | Rotating helical conveyor system A conveyor system for delivering feed to a plurality of animal cages arranged in rows said system comprises an endless conduit extending along a conduit run past at least one of the rows of cages and through a feed trough disposed adjacent the faces of th... | 02/03/1987 |
| 4640112 | Security door knob and escutcheon There is disclosed a secured door knob and escutcheon assembly, wherein the assembly is protected against tampering and unauthorized removal from either side of a door, when said door is in the closed position. The assembly includes a knob arrangement hav... | 02/03/1987 |
| 4640229 | Apparatus for feeding livestock Apparatus for feeding livestock comprises a pan accessible to the livestock for feeding therefrom, a container for holding a quantity of feed comprising dry powdered feed material and a mixing chamber. A dispensing mechanism dispenses measured increments ... | 02/03/1987 |
| 4638807 | Headband electrode system A headband electrode system comprises an elongate flexible band, a center electrode coupled to a central portion of the band and a pair of temporal electrodes coupled with the band, one to either side of the center electrode. A pivotal mounting arrangemen... | 01/27/1987 |
| 4638448 | Electronic odometer in particular for a cycle The odometer in particular for a cycle comprises a case 1 containing a micro-processor connected to a movement sensor associated with a wheel of the cycle, a display for the items of information and at least one control key relating to the display of the ... | 01/20/1987 |
| 4637919 | Lens disinfecting appliance with improved venting feature An appliance for disinfecting contact lenses utilizes a disinfecting solution, such as hydrogen peroxide, that liberates a gas during disinfecting action. The appliance has a container body with a removable cap that provides a sealed chamber except for a ... | 01/20/1987 |
| 4637766 | Clinch type fastener A self-clinching fastener of the type for connection to a workpiece comprising sheet material, includes a head and a shank, with a groove formed in the shank, with the head being embeddable in the sheet material to displace material thereof into the groov... | 01/20/1987 |
| 4637765 | Two-piece expandable plastic rivet A plastic rivet consisting of rivet body comprised of a flanged head and a leg member extending from the bottom of the head, the rivet body having an axial hole extending through its entire length, and a pin which when inserted into the through-hole, expa... | 01/20/1987 |
| 4637310 | Mesh roller for printing press and method of fabrication In a mesh roller for a lithographic printing press a nitride layer is formed into all of an external surface of the mesh roller including recesses (cells) for metering amount of ink, so that the volume of the recesses is not reduced before subsequent plat... | 01/20/1987 |
| 4635763 | Method of regulating the opening speed of box in passenger compartment of car An apparatus for adjusting the speed of a box within a housing being moved to its open position comprises using a first arm having one end thereof pivotally attached to the housing and a second arm having one end thereof pivotally attached to the box, wit... | 01/13/1987 |
| 4634296 | Ball spline bearing A cheap and small ball spline bearing comprises: identical balls; an outer hollow cylinder; a cylindrical holding apparatus fixed to the inner peripheral surface of this cylinder; and a spline axis. In the outer cylinder, three projections are formed in t... | 01/06/1987 |
| 4634295 | Track surface of a roller bearing for an infinite rectilinear motion There is a track surface of a roller bearing for an infinite rectilinear motion in which many rollers roll in keeping with the adjacent relation with one another in an infinite circulating passage constituted such that both ends of a rectilinear load trac... | 01/06/1987 |
| 4634189 | Wheel hub including structure for attachment of accessories A wheel hub includes an improved structure for mounting at least one accessory thereto, the wheel hub has a hollow cylindrical body having a radially acting coupling arrangement including a plurality of alternating recesses and ridges formed interiorly of... | 01/06/1987 |
| 4633984 | Braking arrangement for a rotary drive system The braking arrangement has an input shaft for connection to a drive shaft of the system. A brake device for the input shaft is urged towards operation by a spring released by an electric actuator. The input shaft is coupled to a flywheel by step-up geari... | 01/06/1987 |
| 4633377 | Lighting fixture with square beam pattern A light-distributing diffuser for an electrical lighting fixture. The diffuser is rectangular in transverse section and is generally in the shape of an inverted truncated pyramid having an enlarged base and a reduced, outwardly-extending end. The outwardl... | 12/30/1986 |
