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| Patent # | Description |
|---|---|
| US-4,840,562 |
Adjustable orthodontic band An adjustable orthodontic band incorporating a soft-metal ribbon and mechanism for independently stretching the upper and lower halves of the ribbon so as to... |
| US-4,840,561 |
Apparatus for the heat treatment of fine-grained material The invention relates to apparatus for the heat treatment of fine-grained material with a rotary drum furnace, a preheater and a combustion chamber for... |
| US-4,840,560 |
Heating stock in a heating chamber A method for heating stock comprises feeding stock 9 to be heated into a heating chamber 1, causing heating gas to enter the heating chamber 1 to heat the stock... |
| US-4,840,559 |
Seal arrangement for high temperature furnace applications A seal arrangement is disclosed for use in a furnance which utilizes a thin, cylindrical imperforate shell member which is heated from an external source to heat... |
| US-4,840,558 |
Pulsating combustion system A pair of pulsating combustors are parallelly connected to each other between an air intake chamber and an exhaust chamber. Aerodynamic valves having a forward... |
| US-4,840,557 |
Vertical injection apparatus A vertical injection apparatus is incorporated with a parting mold including upper and lower mold halves and defining a cavity to be filled with a melt. The... |
| US-4,840,556 |
Mixing plate for injection molding machine A mixing plate apparatus for use in a conventional reaction injection molding mixing head. The injection molding mixing head has a metering valve system to... |
| US-4,840,555 |
Installation for the simultaneous thermoforming of at least one row of
containers in thermoplastic material,... An installation is characterized in that a molding unit is fixed in unremovable fashion on a supporting unit equipped with means for controlling the vertical... |
| US-4,840,554 |
Extrusion head equipped with a clamping device for the tool components An extrusion tool includes an end plate, a plate holder cassette seating the end plate and having opposite first and second faces; an extrusion head seating the... |
| US-4,840,553 |
Metal mold structure for molding multi-layer resin In a metal mold for a multi-layer resin molded article for effecting, in injection-molding a cylindrically-shaped part, sandwich molding in which core layer... |
| US-4,840,552 |
Apparatus for continuously producing heat-shrinkable crosslinked resin
tube An apparatus for continuously producing a heat-shrinkable crosslinked resin tube from a crosslinkable resin is provided, comprising in successive connection, an... |
| US-4,840,551 |
Arrangement for repairing stone impact damages at windshields made of
multi-layer safety glass A repair method for repairing stone or gravel impact damages on windshields of multi-layer safety glass, in which the damaged place is covered with a transparent... |
| US-4,840,550 |
Internal axis rotary piston engine with protrusions having two sealing
corners In a rotary piston engine which can be produced by simple manufacturing techniques and which has an outer and an inner rotor which rotate in a housing about... |
| US-4,840,549 |
Scroll compressor with control of distance between driving and driven
scroll axes A scroll compressor comprising a driving scroll and a driven scroll which is combined with the driving scroll and is driven by the driving scroll through an... |
| US-4,840,548 |
High pressure plunger pump A high pressure plunger pump comprises a centrally arranged pressure valve, an oscillatingly movable plunger, a sleeve guided on the plunger and limiting a... |
| US-4,840,547 |
Compressor including protective cap for hermetic terminal A protective cap for the hermetic terminal of a hermetic compressor includes a cup-shaped plastic member for attaching to and covering the hermetic terminal... |
| US-4,840,546 |
Pump for liquids and gases Pump for liquids and gases, particularly for immersing in a well hole. A pump piston (35) is operated by a double acting operating piston (33) provided with... |
| US-4,840,545 |
Scroll compressor relief valve In a rotary compressor, a relief valve for providing refrigerant at suction gas pressure to the discharg port when the rotary compressor is operated in the... |
| US-4,840,544 |
Hydraulic pump assembly associated with accumulator A hydraulic pump assembly for use in combination with an accumulator comprises a pump housing provided with an inlet port for connection to a fluid reservoir and... |
| US-4,840,543 |
Clutch apparatus for rapid power source conversion There is provided a mechanism or system for use with a motor driven mechanism, such as a pump for pressurizing paint for spray painting purposes, which permits... |
| US-4,840,542 |
Infusion pump with direct pressure sensing An infusion pump incorporates a cassette formed by bonding of two substantially flat sheets. The fluid to be infused to the patient comes into contact only with... |
| US-4,840,541 |
Fan apparatus A fan apparatus for preventing the occurrence of a burble on a surface of a blade while the resistance to air flow into the fan is increased and the generated... |
| US-4,840,540 |
Propeller whose blades are provided with slats Directly driven propeller whose propeller blades are provided with slats and which is designed for a lower blade tip Mach number in order to reduce the propeller... |
| US-4,840,539 |
Moving blading for steam turbines Moving blading for a steam turbine, the blading comprising blades (1) having respective bodies (3) provided with caps or fins (4), said caps or fins (4) on... |
| US-4,840,538 |
Interpolar body for cooling salient-type rotor by ventilation A device for cooling the salient-type rotor of electrical machines in which interpolar bodies are placed between and parallel to the salient poles of a rotor... |
| US-4,840,537 |
Axial flow steam turbine An axial flow steam turbine has a nozzle ring circumferentially about the rotor thereof and inner and outer sections forming the ring with confronting channels... |
| US-4,840,536 |
Axial guide blade assembly for a compressor stator In an axial guide blade assembly for a compressor stator, the root end of each guide blade is attached in a ring gap of a preferably axially split, i.e. split... |
| US-4,840,535 |
Vertical submersible pump assembly The invention relates to a vertical submersible pump assembly comprising a centrifugal pump assembly which comprises a centrifugal pump with a rotor and a pump... |
| US-4,840,534 |
Automobile lift and tow hoist A truck bed is provided with an upwardly projecting frame to which the front end of the upper leg of a Z-shaped support structure is pivotally mounted for... |
| US-4,840,533 |
Apparatus for transporting loads An apparatus for transporting load units comprising: a drive system carrier for lifting the load unit; a single essentially vertically extending lifting element... |
| US-4,840,532 |
Roll-off hoist for variable positioning of containers A transport vehicle mounted roll-off hoist having a main frame pivotally mounted on the rearward end of a vehicle such as a semi-trailer or trunk, including a... |
| US-4,840,531 |
Vehicle for curbside collection of source separated recyclable materials The disclosure herein describes a vehicle for curbside collection of source separated recyclable materials. A dumping unit includes a box-like frame having a... |
| US-4,840,530 |
Transfer apparatus for semiconductor wafers An apparatus automatically transfers semiconductor wafers between plastic wafer boats and closed bottom quartz boats. The apparatus has a wafer elevator for... |
| US-4,840,529 |
Adjustment lock A safety lock for adjustment locking structures in which a set screw is passed longitudinally through a jam screw element at a position off-center from the axis... |
| US-4,840,528 |
Locking hitch pin assembly A hitch pin assembly is provided for locking equipment, such as a crossbar, to a tractor. The hitch pin comprises a locking pin having a head and a pivoted pull... |
| US-4,840,527 |
Expansion dowel assembly An expansion dowel assembly includes a sleeve-like support bearing incorporating load engagement surfaces, and annular disks displaceably held on the support... |
| US-4,840,526 |
Gripping device for tensioning screwing elements A gripping device for tensioning a screwing element (2) which, at its free end, has an outer profile matching the inner profile of an engaging member (4). The... |
| US-4,840,525 |
Fastener restrainer for framing system A fastener for use in attaching structural channel members having slots extending along one side of the channel to other channel members or other structural... |
| US-4,840,524 |
Anchor member with electrical insulation jacket An anchor member is formed of an axially extending core member enclosed from one end toward the other by an electrically non-conductive plastics material jacket.... |
| US-4,840,523 |
Securing device A securing device includes an outer cylinder having a hollow cylindrical portion with a flange provided at one end, and an insertion member having a rod-like... |
| US-4,840,522 |
Synthetic resin rivet A synthetic resin rivet comprises a rivet body having a hollow cylindrical portion and an integral flange portion extending radially outwardly from the upper end... |
| US-4,840,521 |
Element for filtering stress variations in a bolted assembly The element is constituted by an elongated tube whose height is equal to or exceeds 0.8 times its diameter, and which has a bearing surface on one face of the... |
| US-4,840,520 |
Mounting device having a conical shank The present invention relates to mounting device having a conical spindle, especially with a 7/24ths cone, with conical and butt contact for attachments, tool... |
| US-4,840,519 |
Drill bit for hand drills The invention contemplates an improved drill-bit construction wherein the shank by which the bit is clamped is characterized by (a) three angularly spaced... |
| US-4,840,518 |
Cutting insert A disposable indexable cutting insert having opposed irregularly curved cutting edges and a smooth continuous transition along each cutting edge and a... |
| US-4,840,517 |
Soil displacement tools A soil displacement tool, or mole, comprises a hollow cylindrical body in which is provided an hydraulically reciprocal piston the movement of which drives the... |
| US-4,840,516 |
Artificial reef An artificial reef for inhibiting beach erosion is formed from a plurality of connected adjacent blocks, each having a base with inclined front and back walls... |
| US-4,840,515 |
Subterranean drain A subterranean drainage unit for protecting a structure by intercepting subsurface fluid flows, comprising a sheet base member having parallel first and second... |
| US-4,840,514 |
Manhole assembly with T-shaped hinge A manhole assembly includes a circular cover 4 seated in a frame 1 and removably hinged thereto by a T-shaped lug 16 extending radially from the cover and lying... |
| US-4,840,513 |
Scaffolding connector apparatus A circular plate with a plurality of apertures therein surrounds a vertical upright member used in constructing a scaffolding. An end of either a horizontal or... |
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