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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 |
| 4454084 | Extrusion die control system The thickness of plastic film extruded from a die is maintained at a desired uniform dimension by utilizing the thermal expansion and contraction of die adjusting bolts to control the width of the orifice of the die. A thickness gauge measures the film th... | 06/12/1984 |
| 4448051 | Key retaining device A key retaining device for capturing and selectively locking therein a portion of the working section of a key. When the key is locked in the device, its handle section is visible so that the presence of the key can be instantly determined without unlocki... | 05/15/1984 |
| 4447760 | Filament switching device A filament switching device is arranged to be mounted within the screw base of a conventional, dual-filament, incandescent light bulb. The device has a frame which branches around the evacuation tube of the bulb thereby allowing sufficient room for switch... | 05/08/1984 |
| 4447327 | Pressure filters A tube pressure filter is provided with a filter element comprising a filter cloth sleeve which is tailored from a woven material so that the warp and/or weft filaments extend helically around the inner tubular body on which the filter element is supporte... | 05/08/1984 |
| 4444084 | Adjustable tensioning and locking device A cylindrical tensioning device fits over a fixed shaft against a rotatable bobbin containing a supply of wire such as used in a wire braiding machine. The device includes an outer tensioning section cylinder enclosing a spring supported between two bushi... | 04/24/1984 |
| 4441348 | Key retaining device A key retaining device for capturing and selectively locking therein a portion of the working section of a key. When the key is locked in the device, its handle section is visible so that the presence of the key can be instantly determined without unlocki... | 04/10/1984 |
| 4438300 | Protective cover for telephone push button array A protective cover is disclosed for the push button array of a push button dial telephone set. The cover comprises a flexible elastomeric sheet having a grid of upwardly-directed pockets, the lower-facing ends of which are open for snugly receiving and th... | 03/20/1984 |
| 4436965 | Sealing means for telephone cover device A gasket is disclosed for use in effectively sealing to communications equipment, a protective cover for a key-actuated switching array which projects through a generally planar surface on the equipment. The protective cover is of the type comprising a fl... | 03/13/1984 |
| 4431500 | Selective electroplating apparatus Apparatus is disclosed for selectively electroplating continuous longitudinally extending stripes or lines onto continuous metal base strip. The apparatus comprises an electroplating station including a rotatable wheel and means for driving said wheel; me... | 02/14/1984 |
| 4430249 | Preparation of aqueous suspensions of talc In order to make talc more readily dispersible in an aqueous medium, it is contacted, in a finely divided form, with an aqueous solution of an alkali metal hydroxide or ammonium hydroxide, it is then washed with clean water, whereafter it is thermally dri... | 02/07/1984 |
| 4427452 | Filled elastomer compositions A filled elastomer composition comprises a natural or synthetic rubber and, as a filler, a substantially dehydroxylated clay which contains at least 60% by weight of particles smaller than 2 microns equivalent spherical diameter, has a specific gravity no... | 01/24/1984 |
| 4425590 | Video cassette recorder A video tape recorder designed so that the time for placing the tape in position to record and play-back and for activating the tape movement is materially reduced. Upon the cassette being inserted into the recorder, the tape is withdrawn and immediately ... | 01/10/1984 |
| 4419379 | Crystal plating method A crystal plating device and method of plating crystals in which a crystal to be plated and thereby set at a desired frequency is placed in an external removable holder or slug for insertion into a chamber of a plating device. The device is connected to a... | 12/06/1983 |
| 4419228 | Process for producing high brightness clays utilizing magnetic beneficiation and calcining A method is disclosed for separating titaniferous and ferruginous discolorants from a crude kaolin clay. A dispersed aqueous slurry of the clay is formed containing a deflocculant and a fatty acid collecting agent, and the slurry is conditioned to coat th... | 12/06/1983 |
| 4412978 | Method and apparatus for manufacturing improved puffed borax A method and apparatus for producing a puffed borax product having superior particle strength and improved uniformity of hydration and puff ratio. In the method particles of borax having a given particle size distribution are introduced into a downwardly ... | 11/01/1983 |
| 4407195 | Screen printing machine In a screen printing machine having a plurality of workpiece supporting pallets that are driven along an oval path and which cooperate with a plurality of printing heads that are adapted for movement between an operative, printing position at each of a pl... | 10/04/1983 |
| 4406422 | Spool assembly An expendable spool for threads, yarns and the like, having a hub and flanges at both ends of the hub. The flanges are formed by two mirror symmetrical portions with each flange portion having a radial slot for receiving a projection of the other flange p... | 09/27/1983 |
| 4403923 | Submersible pump A submersible pump having a volute fixedly connected to the discharge conduit, and a motor housing detachably connected to the volute. The impeller is coupled to the motor mounted within the motor housing, which housing has a flange adapted to fit over th... | 09/13/1983 |
| 4401203 | Parts feeding bowl with orienting means Apparatus is disclosed for accepting an initially presented population of randomly oriented elongated slender articles which terminate in an enlarged head portion, and providing a high-speed output stream, wherein all said articles are commonly oriented f... | 08/30/1983 |
| 4398532 | Insertion device for a diaphragm An insertion device for a diaphragm is provided. The device comprises an elongated hollow member which has a chamber for longitudinally holding a diaphragm. An opening is provided in one end of the member through which the diaphragm is dispensed. A plunge... | 08/16/1983 |
| 4396136 | Tennis ball holder A ball carrier for tennis balls and the like adapted to be worn about the waist of an individual player. The carrier is in the form of a belt encircling the waist to which one or more cup-shaped, resilient plastic ball holders are fixedly attached. Each o... | 08/02/1983 |
| 4396131 | Vending machine for beverage cups having a soluble component A vending machine capable of dispensing individual beverage cups incorporating a soluble component, selectively from one of a plurality of stacks, each stack containing cups having a particular type of soluble component. The cups are positioned in inverte... | 08/02/1983 |
| 4393588 | Food mincer An implement for mincing, for example, garlic having a pair of members pivotable about a common axis. Each member has a handle portion with a protruding inner end portion adapted to abut against each other when the members are brought together, and anothe... | 07/19/1983 |
| 4392728 | Camera with focal-plane shutter having contrast control A camera comprises a focal-plane shutter having a front curtain and a rear curtain. The front curtain comprises a center portion thereof being formed into a low reflection portion and a rear end portion being at least formed into a high reflection portion... | 07/12/1983 |
| 4389936 | Cleaning attachment for screen printer An apparatus for over the edge printing including a printing squeegee which forces ink through clear portions of a printing screen onto a workpiece. Excess ink which is forced through clear portions of the printing screen and which extend over the edge of... | 06/28/1983 |
| 4381948 | Anhydrous kaolin clay pigment and method of preparation An anhydrous white kaolin clay pigment is disclosed, which consists of porous aggregates of kaolin clay platelets. The pigment exhibits exceptionally high light-scattering ability when incorporated as a filler in paper. The aggregates have an average spec... | 05/03/1983 |
| 4374165 | Liquid adhesive applicator A method and apparatus for applying liquid adhesive to a work-piece. A reservoir containing the liquid adhesive is moved relative to a stationary perforated support member immersed in the adhesive to expose the support member. Excess liquid adhesive drain... | 02/15/1983 |
| 4373569 | Window shade roller assembly A window shade roller adapted for mounting by frictional engagement within the periphery of a window frame, or alternatively, by hang-mounting at receiving brackets on the window frame. The roller has one shaft projecting from a recess in one end that ter... | 02/15/1983 |
| 4369423 | Composite automobile ignition cable A composite electrically conductive cable assembly for use as an ignition cable or the like. The assembly comprises an electrically conductive core comprising a plurality of mechanically and electrically continuous graphite filaments, and an electrically ... | 01/18/1983 |
| 4367579 | Method of connecting a crystal to a crystal holder A crystal plating device and method thereof in which a crystal to be plated and thereby set at a desired frequency is placed in an external removable holder or slug for insertion into a chamber of a plating device. The device is connected to a vacuum pump... | 01/11/1983 |
| 4367801 | Load cell for use with electronic counting and weighing scales A load cell is disclosed, which is especially applicable for use with electronic counting and/or weighing scales and the like. The load cell comprises a parallelogram-type flexure frame, and is characterized by four strain gauges, which are located at the... | 01/11/1983 |
| 4367127 | Metals recovery cell and electrode assembly for same An electrolytic cell for recovering from electrolytes metals, the ionic species of which are present at relatively low concentration. The cell comprises a container for the electrolyte, and and an electrode assembly in the container comprising (1) a tub-t... | 01/04/1983 |
| 4366055 | Pressure filters A tube pressure filter comprises (a) a pair of generally coaxial inner and outer tubular assemblies, which define between them a chamber of annular cross-section, (b) an impermeable elastic sleeve which divides said chamber into non-intercommunicating inn... | 12/28/1982 |
| 4363543 | Camera An automatic exposure camera and an autostrobo incorporated camera are disclosed. An automatic exposure camera comprises an ASA area plate rotatably supported on a camera lens housing and provided with a number of through-holes which successively vary an ... | 12/14/1982 |
| 4362234 | High speed cap orienting and feeding apparatus The apparatus disclosed is used to orient container caps with their open ends facing up from a randomly oriented vertical orientation by guide channel means having a base and including an input end for receiving the caps at the vertical orientation, an ou... | 12/07/1982 |
| 4357952 | Tubular valve device and method of assembly A tubular valve for controlling the flow of fluids includes an outer tubular shell having pairs of ports on diametrically opposed surfaces and an inner coaxial transfer tube having pairs of openings which are selectively rotated into or out of alignment w... | 11/09/1982 |
| 4354512 | Liquid applicator device with hair-parting wand A liquid applicator device is disclosed, useful in applying bleaching or coloring compositions or the like to the hair in the course of cosmetically treating same. The device comprises a compressible container for receiving the composition; a cap closure ... | 10/19/1982 |
| 4353642 | Microfilm retrieval system A microfilm cartridge storage, retrieval, and projection system is disclosed. The system includes a vertically-oriented cylindrical cartridge storage drum which has a plurality of overlying tiers, each tier including successive side-by-side compartments w... | 10/12/1982 |
| 4349966 | Cutting guide and measuring device A cutting guide includes an elongated wide flat base plate having ruled markings along one edge and a raised flange along the opposite edge. The raised edge serves as a linear guide for a cutting tool, such as a utility knife, while providing a protective... | 09/21/1982 |
| 4343694 | Magnetic beneficiation of clays utilizing magnetic seeding and flotation A method is disclosed for separating titaniferous and ferruginous discolorants from a crude kaolin clay. A dispersed aqueous slurry of the clay is formed containing a deflocculant and a fatty acid collecting agent, and the slurry is conditioned to coat th... | 08/10/1982 |
