Mountable Printable Placard With Headband
A resilient headband in a shape for being mounted on the head of the user. The headband is equipped with a longitudinal slotted member for holding a placard.
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| Number | Title | Issue Date |
| 4140169 | Carrier for vertical blinds A unitary, one-piece vane carrier for vertical blinds is disclosed. The unitary carrier includes a carrier body and an elongated spacer link extending from one end of the body, the spacer link and body forming a single, unitary piece. In a disclosed embod... | 02/20/1979 |
| 4132634 | Method of an apparatus for sifting particulate material in a cross-current In a method and apparatus for sifting particulate material in a cross current, the method and apparatus being of the type wherein all particles of the same size are propelled transversely at the same velocity of at least approximately 5 m/sec and with the... | 01/02/1979 |
| 4131544 | Macroencapsulated sorbent element and process for using the same Described herein is a sorbent element, especially useful for removing matter from a liquid system, comprising particulate sorbent material such as charcoal, ion exchange resins and silicas, substantially loosely encapsulated within a porous filter membran... | 12/26/1978 |
| 4117871 | Yarn clamp for a weaving machine At least one of the clamping surfaces of the yarn clamp is provided with a recess which extends longitudinally of the clamping jaws and along the yarn path. The recess is of a depth, at most, equal to the yarn thickness so as to ensure a reliable engageme... | 10/03/1978 |
| 4101758 | Electric steam generator having a movable distribution means An electric steam generator includes a vessel housing at least one dish-shaped electrode having a bottom with a plurality of openings. A water distribution means is spaced above each electrode and provides a plurality of water jets which impinge on the el... | 07/18/1978 |
| 4036700 | Nuclear reactor installation A nuclear reactor installation includes a pressurized-water reactor pressure vessel positioned in a reinforced-concrete structure forming a wall surrounding the pressure vessel and forming an annular space around the pressure vessel, this space containing... | 07/19/1977 |
| 4033135 | Plant and process for vaporizing and heating liquid natural gas The plant obtains heat energy from a diesel engine plant in order to vaporize a flow of liquid natural gas. The obtained heat is conducted via a circuit containing a hydrocarbon heating agent to the liquid natural gas pipeline. In one embodiment, heat ene... | 07/05/1977 |
| 4031390 | Method of operating a particle-beam apparatus A method of operating a particle-beam apparatus such as an electron microscope and the like equipped with a deflection system arranged at the beam path and a control device operatively connected to the deflection system includes adjusting the excitation o... | 06/21/1977 |
| 4030872 | Combined mould element and sealing ring Combined mould element and sealing ring suitable for sealing off a joint between a socket end and an insert end of two cooperating pipes formed from thermoplastic material and for being used as a portion of a body of a mould for both fabricating the socke... | 06/21/1977 |
| 4029997 | Surge voltage arrester arrangement An improved surge voltage arrester made up of a plurality of series arrays of magnetically blasted spark gaps arranged between two potentials with the gaps surrounded by a gas which increases their breakdown voltage, in which the connecting points of each... | 06/14/1977 |
| 4030006 | Speed controllable drive for an asynchronous motor A speed controllable three phase drive including an asynchronous motor having a slip ring rotor which can be connected to a three phase network and a d.c. motor mechanically coupled to the asynchronous motor with the d.c. motor fed through an uncontrolled... | 06/14/1977 |
| 4029456 | Rapid load-relieve device for continuous press A rapid load relief device to prevent fast build-up of pressure in a continuous press of the type having two rotatively driven endless conveyor belts forming opposed, substantially linear spans defining a press zone with press platens applying pressure th... | 06/14/1977 |
| 4028600 | Method and apparatus for slow speed operation of an inverter controlled rotating field machine A method and apparatus for operating a rotating field machine, which is controlled by an inverter of the type which provides only a predetermined limited number of discrete positions of the stator current vector, in such a manner so that when it is desire... | 06/07/1977 |
| 4028176 | Nuclear reactor installation A nuclear pressurized-water reactor installation includes a reactor pressure vessel, a concrete biological shield surrounding the vessel and a cylindrical pressurized coolant pipe extending from the vessel. The wall forms a hole of substantially larger di... | 06/07/1977 |
| 4027126 | Shorting and grounding arrangement for gas-insulated bus bars A shorting and grounding arrangement for enclosed, gas-insulated bus bars in which an opening in the enclosure is provided and a pot placed over the opening, the pot containing a contact movably supported therein and having an advance contact, the main co... | 05/31/1977 |
| 4026982 | Method of automatic manufacture of closed, internally sterile hollow bodies The process of the invention essentially consists in supplying sterile gas to an extruded parison confined between the two shells of a mould, this sterile gas being sequentially applied at a first pressure slightly higher than atmospheric pressure, at a s... | 05/31/1977 |
| 4027064 | Loose fill packing element and method of making same The loose fill packing elements in one embodiment are constructed of a generally block C-shape and are of substantially uniform thickness throughout. Each of the elements has a central section to define an included angle of greater than 90°. The elements... | 05/31/1977 |
| 4027124 | Contact system for high-voltage power circuit breakers A contact system for high-voltage power circuit breakers which includes at least one stationary, hollow, nozzle-shaped contact, comprising an electrically conducting tube made from copper or copper alloy and a nozzle body of arc-resistant material, such a... | 05/31/1977 |
| 4025690 | Method of preparing additives and additives prepared according to said method Dusty additives intended to be used as stabilizer, lubricants, etc. in a polymer or copolymer of vinylchloride are firstly mixed with said polymer or copolymer of vinylchloride, or of acrylonitrile, or of butadiene or of styrene in granular form, e.g. in ... | 05/24/1977 |
| 4024696 | Method and apparatus for wrapping multiple tapes upon an elongated structure The disclosure relates to a machine and apparatus for wrapping a plurality of different tapes around an elongated structure such as an electrical conductor. The multiple tapes to be wrapped are supplied by a package having a plurality of different tapes w... | 05/24/1977 |
| 4025787 | Separation of mixtures of gaseous isotopes A standing electromagnetic wave haing nodes, penetrates through a gaseous jet of the mixture of the isotopes to be separated, while relative motion takes place between the wave and mixture in such a manner that the isotopes are prevented from dwelling in ... | 05/24/1977 |
| 4025861 | Method and device for charging and heating at low temperature a sealed storage cell battery Method for charging a sealed storage cell battery according to which the battery is heated when its temperature lies below a determined value and the intensity of the charge current is lowered by being shunted to heat the battery when the voltage of the b... | 05/24/1977 |
| 4023726 | Method of making a semi-membrane like container and building a heat insulated fluid tight tank embodying the same Polyhedral welded metal container each dihedron of which has its two flat adjacent side walls tangentially connected to each other by a round concave cylindrical wall portion consisting of several superposed curved concentric plates the aggregate thicknes... | 05/17/1977 |
| 4023741 | Apparatus for winding a multiplicity of threads onto respective bobbin tubes Two bobbin tubes are mounted on a common bobbin chuck and a common thread severing means and suction means is used to sever and hold the threads during a bobbin change. After the threads are severed and drawn into the suction tube, a rod which carries two... | 05/17/1977 |
| 4023982 | Apparatus for the production of sugars from hemi-cellulose-containing raw materials The apparatus operates on a continuous basis under gravity flow to extract sugars from hemi-cellulose-containing raw material such as xylose from xylan-containing raw materials. The apparatus includes a sequence of interconnected vessels to steam heat the... | 05/17/1977 |
| 4024034 | Method for operating the furnaces of an electrolysis plant A method and apparatus for operating an electrolysis plant including a plurality of furnaces in which the anode spacing of each furnace is controlled by means of a computer as a function of furnace resistance. A desired furnace resistance is varied as a f... | 05/17/1977 |
| 4024337 | DC arc furnace and starting electrode construction A DC arc furnace has a hearth through which electric power is transmitted to a melt, and at least one starting electrode which can be inserted into the furnace from its outside, for pressing against a pile of scrap on the furnace's hearth so that with the... | 05/17/1977 |
| 4024363 | Shorting contacts for closing a superconducting current path operated by a bellows arrangement responsive to the pressure of a cryogenic medium used in cooling the contacts A shorting element for closing a superconducting current path using contacts of a stabilized superconductor material with the contacts being brought together through the use of a mechanical actuating device, in which the contact surfaces of the contact el... | 05/17/1977 |
| 4024474 | Circuit arrangement for wireless transmission of a control signal to the control path or a controllable semiconductor valve, in particular a thyristor A circuit arrangement for the wireless transmission of a control signal to the control path of a controllable semiconductor valve, in particular a thyristor, is disclosed. The arrangement comprises a high-frequency transmitter in which a high frequency ca... | 05/17/1977 |
| 4024038 | Adhesive processes The method of modifying materials in a uniform and reproducible manner which comprises activating and treating materials, the treating step being performed with modification agent. There is also disclosed an apparatus for modifying materials.... | 05/17/1977 |
| 4024366 | Toggle lever switching mechanism for an automatic switching apparatus including a low-voltage tripping device A toggle lever switching mechanism for an automatic switching apparatus including a housing and a low-voltage tripping device. The switching mechanism includes at least two toggle levers pivotally joined to each other at one end at a toggle joint and oper... | 05/17/1977 |
| 4023599 | Opto-electronic weft yarn detector The weft yarn detector is used in a weaving machine having pneumatic picking as a stop motion to stop the weaving machine or to operate a warning signal. The detector uses one or more radiation sources to pass radiation across the weft yarn path onto radi... | 05/17/1977 |
| 4023633 | Flexure scale A flexure scale is made of compact, inexpensive construction and includes a load frame which is supported via flexures from a stationary support frame. The load frame includes two oppositely directed beam arms which are displaced when a load is placed on ... | 05/17/1977 |
| 4023598 | Jacquard lifting wire The lifting wires are provided with a reinforcement within the pressing zone to rigidify the wires while the hook-containing zones remain bendable. The reinforcement is in the form of webs secured to the wires, widened portions of the wires, or a bowed me... | 05/17/1977 |
| 4023616 | Thyristor cooling arrangement In a liquid cooled thyristor column in which disk thyristors are stacked along with heat sinks with the disk thyristors and heat sinks held elastically together each heat sink is equipped with a laterally projecting heat pipe having its free end emersed i... | 05/17/1977 |
| 4021982 | Heat insulating wall structure for a fluid-tight tank and the method of making same A fluid-tight heat insulated tank wall structure comprising a rigid outer wall, an inner membrane-like impervious primary barrier wall and an intermediate heat insulating material carrying said inner wall and consisting of: an inner end layer of balsa woo... | 05/10/1977 |
| 4022423 | Control valve The control valve uses a rotor assembly to control the flow through the valve. The rotor assembly is rotatably mounted within the valve housing and cooperative with a scroll-shaped means in the flow passage which directs the flow of fluid circumferentiall... | 05/10/1977 |
| 4022251 | Jacquard machine having reciprocating griffes and lifting wires The griffes are provided with projecting means on two sides in order to guide the drive nebs on the lifting hooks during shifting of the lifting hooks. The two means are of different length with one acting as a pressing ledge to guide a lifting hook onto ... | 05/10/1977 |
| 4021797 | Audio frequency power line control system An audio frequency power line carrier control system utilizing an inverter as the carrier control transmitter with the output phase voltages of the inverter fed to a distribution network through a series inductance, a filter circuit and a current transfor... | 05/03/1977 |
| 4021674 | Charged-particle beam optical apparatus for irradiating a specimen in a two-dimensional pattern An improved charged-particle beam optical apparatus for the irradiation of a specimen in a two-dimensional pattern having first areas which are unexposed to the particle beam and are surrounded at least almost entirely by second areas which are exposed to... | 05/03/1977 |