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A haircutting appliance comprises an enclosed housing having a hollow handle connecting the housing to a vacuum source to carry away cut hairs from a subject's head.
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| Number | Title | Issue Date |
| 4150682 | Extendable, retractable and portable shelter An enclosure with doors contains a plurality of arched hoops or the like having ground engaging skids and with a flexible covering attached thereto. The hoops may be pulled out manually over a car or the like parked in front of the enclosure. Locking bars... | 04/24/1979 |
| 4150683 | Elimination of overflow of sewer systems A system for the elimination of overflow and back-up of sewers. A technique is provided for controlling flow of surface water in a combined sewer system, separate storm sewer, or the like, by regulating water flow into the system lateral lines from indivi... | 04/24/1979 |
| 4150684 | Mixing valve and control system therefor A mixing valve comprising a rigid structure containing an interior recess and inlet and discharge ports in communication therewith, and weir plates and a slide plate confined in the recess for movement of the weir plates transversely of the recess with re... | 04/24/1979 |
| 4150685 | Liquid distribution device A distribution device, particularly for water, comprising a main conduit communicating with outlet members each normally closed by a respective valve and a body adapted to move through the conduit for sequentially opening each said valve for a period of t... | 04/24/1979 |
| 4150686 | Electrohydraulic control module A modular control device which may be used separately or in predetermined multiples to provide desired detection and correction functions along with appropriate control functions normally associated with current day aircraft flight control. The module inc... | 04/24/1979 |
| 4150687 | Well pilot valve assembly Disclosed is a pilot valve assembly for preferred use in conjunction with pneumatically operated safety valves of a well head assembly, the pilot valve apparatus including an automatic trip assembly composed of a pair of bourdon tubes adapted to engage re... | 04/24/1979 |
| 4150688 | Removable fluid take-off and pressure release coupling for washing machine and the like A fluid coupling for connecting a portable washing machine to a domestic water faucet comprises a housing defining an unobstructed fluid passage having a lateral discharge port normally closed by a tilt type valve. A sliding detent plate latches the coupl... | 04/24/1979 |
| 4150689 | Core rod construction for blow-molding apparatus A mounting sleeve having at one end a parison forming extension, and a stem shiftable within the sleeve and extension to open and close the same to passing fluid.... | 04/24/1979 |
| 4150690 | Hydraulic control arrangement for at least two hydraulic consumers A hydraulic control arrangement for at least two hydraulic consumers, comprises two pressure compensated multiple position valves, respectively coordinated with the two consumers, and each including a pressure compensating control member which controls a ... | 04/24/1979 |
| 4150691 | Quick disconnect coupling A quick disconnect coupling for coaction with a checkvalve equipped male coupling is provided with a lockable spool and a lockable valve actuator. A first locking pin on the spool locks the spool when the male coupling is not coupled with the female coupl... | 04/24/1979 |
| 4150692 | Valve for closing, throttling or regulating A valve for closing, throttling or regulating having a closing-adjusting cone which is a hollow cylinder which while recessing a part of the cylinder jacket is developed with an opening throughout from the upper to the lower end surface as a partial shell... | 04/24/1979 |
| 4150693 | Adjustable loss-of-head valve An adjustable loss-of-head valve with a mobile perforated plate sliding on a stationary perforated plate, constituted by an annular one-piece body comprising an annular constriction on the upstream side with an annular recess immediately downstream from s... | 04/24/1979 |
| 4150694 | Rotary plug valve An improved rotary plug valve which has a housing having an axial, tapered inner wall forming a tapered inner cavity, with a plurality of radial openings in a transverse plane, at selected angles, leading into the tapered inner cavity. A rotatable tapered... | 04/24/1979 |
| 4150695 | Solenoid pilot operated change-over valve There is described a solenoid pilot operated change-over valve of the type using a spool/piston assembly which is movable in response to pressure prevailing in a pilot chamber, wherein the effective diameter of a drain valve seat in the pilot chamber is f... | 04/24/1979 |
| 4150696 | Arrangement for suppressing vibrations caused by the flow of a flowable medium A flow passage for a flowable medium is bounded by a wall, and located in e flow passage are one or more devices which suppress the occurrence of such flow conditions in the medium as would tend to cause the development of vibrations in the flowable mediu... | 04/24/1979 |
| 4150697 | Treatment of regenerated cellulose casings with surface activating energy A sausage casing surface formed from regenerated cellulose is exposed to a source of surface activating energy to an extent sufficient to induce a change in the surface whereby the casing will adhere to a sausage emulsion encased therein and follow the sh... | 04/24/1979 |
| 4150698 | Patterning means A loom patterning mechanism including a continuously movable pattern information means and pattern sensing means associated with the information means and movable synchronously therewith over at least part of a loom cycle, the sensing means serving to ini... | 04/24/1979 |
| 4150699 | Weft yarn sensor At least one of light projecting and receiving faces has a form which is elongate in the longitudinal direction of a weft yarn passed from the aperture of the sensor body to the outside of the aperture through the gap and is about equal to the thickness o... | 04/24/1979 |
| 4150700 | Method and system for handling bulk shipments of a flowable product A method and system are provided for handling a flowable product when transferring same from one bulk container, such as a railroad tank car, to a second bulk container of smaller capacity, such as a tank truck. A fitting is removably mounted on a valved ... | 04/24/1979 |
| 4150701 | Apparatus for feeding granular material A volumetric feeder is supported for movement between an operative position and an maintenance position. The feeder includes a housing having a rotatable blade means adjacent its lower end for feeding granular material from the housing. The blade means is... | 04/24/1979 |
| 4150702 | Locking fastener A vibration-resistant prevailing torque fastener combination comprising a conventional first element having a standard thread form with first flank angles and a modified second element having a thread form characterized by second steeper flank angles over... | 04/24/1979 |
| 4150703 | Belt separation-resistant tire configuration A pneumatic tire has one or more radial plies formed of cords of reinforcing material which extend continuously between the two bead regions of the tire within the side walls and tread region. Belts of reinforcing material extend circumferentially within ... | 04/24/1979 |
| 4150704 | Method of producing sand mounds having a frozen surface A method of producing a mould of particulate material comprises admixing the particulate material with a controlled quantity of water, compacting the mixture to the required shape on a pattern or the like, removing the compacted mass from the pattern, and... | 04/24/1979 |
| 4150705 | Method and apparatus for manual preparation work on foundry molding boxes at a single-station throughflow molding machine When an empty molding box arrives at the molding machine on a roller track extending through the machine, it is placed on a pattern plate carrier with a pattern situated thereon and is lowered thereon on to a transverse roller track on which it is transfe... | 04/24/1979 |
| 4150706 | Process for the manufacture of undulated metallic elements for the reinforcement of composite materials A process for the manufacture of filiform reinforcement elements of steel in the form of ribbons is improved by projecting a jet of liquid steel onto a cylinder rotating in a cooling medium and imparting a relative reciprocating movement parallel to the a... | 04/24/1979 |
| 4150707 | Method and apparatus for making dental castings A method and apparatus for making dental castings wherein the crucible is supported on a platform having a central opening positioned beneath the crucible opening over the mold cavity of the investment, which, in turn, is supported on a platform having a ... | 04/24/1979 |
| 4150708 | Apparatus and method of making filaments An improved apparatus and method for making solid filamentary elements from a pendant drop of a high melting point material (e.g. hafnium, zirconium). The improvement constitutes providing a protective layer in the form of a thin film on the circumferenti... | 04/24/1979 |
| 4150709 | Process for applying a coating to a centrifugal casting mold A process for applying a coating to a centrifugal casting mold for casting copper or alloys thereof in which prior to introducing the molten metal into the mold, an aqueous suspension of powdery material is introduced into the mold and applied on the inte... | 04/24/1979 |
| 4150710 | Dummy bar handling apparatus and method A continuous casting installation has a generally vertical open-ended mold supported on a casting platform, a flexible dummy bar for sealing the lower end of the mold prior to the start of a cast, a curved guide below the casting platform for the strand f... | 04/24/1979 |
| 4150711 | Method and apparatus for continuously casting metal slab, strip or bar with partial thickness integral lugs projecting therefrom Method and apparatus are described for continuously casting metal slab, strip or bar with integral lugs projecting therefrom. These lugs project from the edge of the cast product and lie in the casting plane, but they have a partial thickness as compared ... | 04/24/1979 |
| 4150712 | Continuous-casting mould provided with an electromagnetic stirring device The mould comprises a copper mould at least partly surrounded by a cooling box in which a cooling fluid flows. The cooling box comprises a first chamber defined by the copper wall of the mould and by a parallel front wall of the box. This front wall inclu... | 04/24/1979 |
| 4150713 | Flexible pattern to be used for casting molds A flexible pattern for forming casting molds can be withdrawn from the mold, without need of partitioning and reassembling, and includes a pattern member made by coupling a plurality of outer plates, having a configuration corresponding to a desired prede... | 04/24/1979 |
| 4150714 | Lead casting seal Apparatus for continuously casting lead strip at various rates upwards of about 8 ft. per minute including a nonturbulent, constant-head, constant-temperature source of dross-free melt, an open-ended casting nozzle, an insulator thermally isolating the no... | 04/24/1979 |
| 4150715 | Supporting and guiding means for cast strands In a supporting and guiding means for continuously cast strands including a plurality of exchangeable supporting elements each provided with rollers at opposite sides thereof, neighboring supporting elements are provided with shoulder-like projections whe... | 04/24/1979 |
| 4150716 | Method of heat recovery from thermally decomposed high temperature hydrocarbon gas A method for recovering sensible heat from a thermally decomposed high temperature hydrocarbon gas product in the form of high pressure steam of from 40 to 100 kg/cm2 has been discovered. This method comprises pre-cooling at first the thermally... | 04/24/1979 |
| 4150717 | Interlocking checker tile Disclosed are checker tiles for regenerative heating stoves, each tile having the general shape of a parallelepiped, the preferred tile being square in plan, having apertures extending through the tiles and having complementary ribs and grooves extending ... | 04/24/1979 |
| 4150718 | Replacement thermostat adapter wall plate An adapter wall plate for mounting a replacement thermostat on a wall wherein the adapter wall plate attaches to the existing wall plate of the thermostat being replaced thereby eliminating the necessity of disconnecting the wires leading from the existin... | 04/24/1979 |
| 4150719 | Process and apparatus for controlled and gentle heating or cooling of viscous solutions or melts of thermoplastics A process and an apparatus for heating or cooling very viscous solutions or melts of thermoplastics in the form of thin layers. The plastic solution or melt is spread under the temperature conditions of the feed solution or melt, and the thin layers are h... | 04/24/1979 |
| 4150720 | Heat exchanger A heat exchanger of thermoplastic materials, e.g. polypropylene, comprises two spaced-apart headers interconnected by an extruded board comprising a plurality of tubular passages extending from one end of the board to the other; each header having a longi... | 04/24/1979 |
| 4150721 | Gas well controller system A controller system for a flowing gas well utilizing battery powered solid state production and cycle time-out circuitry. In addition to expanded cycle interval capabilities, the system permits a broad range of automated controls over well production thro... | 04/24/1979 |
