A beach chair which can be adapted for a woman who is pregnant and wishes to sunbathe in the prone position.
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| Number | Title | Issue Date |
| 7363796 | Cold form nozzle for laser processing A method for cold-forming a nozzle for a laser includes placing a slug or tube of oxygen-free copper into a die. A mandrel is forced into the copper slug or tube. The resultant compressive force causes the copper to cold flow around the mandrel and the die to define... | 04/29/2008 |
| 7095775 | Dual-flow common combustor chemical laser The invention herein is directed to a dual-chamber combustion laser assembly having lighter weight (per unit flow area), a more compact, flexible configuration for packaging in spacecraft, aircraft, or ground mobile vehicles, higher mass efficiency from lower heat l... | 08/22/2006 |
| 6973114 | Dual-flow common combustor chemical laser The invention herein is directed to a dual-chamber combustion laser assembly having lighter weight (per unit flow area), a more compact, flexible configuration for packaging in spacecraft, aircraft, or ground mobile vehicles, higher mass efficiency from lower heat l... | 12/06/2005 |
| 6847674 | Dual-flow common combustor chemical laser The invention herein is directed to a dual-chamber combustion laser assembly having lighter weight (per unit flow area), a more compact, flexible configuration for packaging in spacecraft, aircraft, or ground mobile vehicles, higher mass efficiency from lower heat l... | 01/25/2005 |
| 6813304 | High energy DF chemical laser gain generator and related method for its fabrication A DF or HF chemical laser gain generator fabricated by a platelet technique in which internal passages are more easily formed because the generator is made as a stack of thin platelets that are separately etched and then stacked together. The gain generator is water... | 11/02/2004 |
| 6636545 | Supersonic and subsonic laser with radio frequency excitation Disclosed is a gas laser utilizing radio frequency excitation in the area of sonic or supersonic/subsonic transfer gas flow. The laser uses various types of gases and mixtures of gases as the active medium using radio frequency excitation. The gas is supp... | 10/21/2003 |
| 6072820 | Chemical oxygen iodine laser gain generator system The COIL gain generator system includes a reactor for producing singlet delta oxygen and a mechanism for mixing high momentum diluent with the singlet delta oxygen and with iodine for producing a high momentum, low static temperature mixture of the single... | 06/06/2000 |
| 5907573 | Nozzle for providing uniform extraction from a non-uniform flow A nozzle for mixing of two reacting fluids wherein the first reactant, flowing across the nozzle, exhibits a variation in reactivity towards the second fluid, introduced through the nozzle and mixing and reacting with the first fluid within the nozzle, an... | 05/25/1999 |
| 5898724 | Gas laser apparatus A gas laser apparatus for generating a laser beam along a light beam axis, comprises, a gas as a laser medium, a dielectric tube through which the gas passes, and which surrounds the light beam axis, a pumping source generating an electric discharge throu... | 04/27/1999 |
| 5870422 | Gain generator for high-energy chemical lasers A gain generator 10 for use in high-energy flowing gas lasers such as COIL devices comprises a chemical reactant mixing nozzle 12 disposed in a gain medium 16. The nozzle includes a plurality of blades 22 formed of a plastic material resistant to chemical... | 02/09/1999 |
| 5682400 | Supersonic and subsonic laser with high frequency discharge excitation Disclosed is a gas laser utilizing high frequency discharge excitation in the area of sonic or supersonic/subsonic transfer gas flow. The laser uses various types of gases and mixtures of gases as the active medium and provides for pre-ionization of the g... | 10/28/1997 |
| 5337324 | Method for controlling movement of neutral atom and apparatus for carrying out the same In order to control the movement of a single neutral atom or a small number of neutral atoms to trap the neutral atom or atoms at a distal end of an optical fiber probe, a laser light having a frequency which is slightly lower than a resonance frequency o... | 08/09/1994 |
| 5321228 | Nozzle for the surface treatment of metal workpieces The invention relates to a nozzle for the surface treatment of metal workpieces, in particular for the powder build-up welding or thin-layer alloying of highly stressed metal components, which can be selectively connected to a mirror-focused or a lens-foc... | 06/14/1994 |
| 5239552 | Laser output unit A laser output unit according to the present invention comprises a body having a laser output port at an extreme and thereof, lenses provided within said body to condense laser beam introduced to emit it from the laser output port, and a protective glass ... | 08/24/1993 |
| 5192847 | Nozzle for a tool for working material The invention relates to a nozzle for a tool for working material, for example for laser cutting. The nozzle contains an electrically conducting nozzle body (2), at the tip of which is arranged a nozzle electrode (12) electrically insulated from it. A cap... | 03/09/1993 |
| 5071222 | Lightpipe tip for contact laser surgery A contact laser surgery tip for connection to a lightpipe conducting laser light. A hollow proximal end portion of the tip connects to the lightpipe. A hollow distal end portion is heated when it absorbs at least a portion of the laser light transmitted t... | 12/10/1991 |
| 5033056 | Gas laser A gas laser has a closed gas flow channel in which a gas flows at high velocity through a discharge chamber, the gas discharge burning between at least two electrodes extending transversely of the gas flow. A cross-current blower for maintaining the gas f... | 07/16/1991 |
| 4993037 | High speed axial flow gas laser generator A high-speed axial-flow gas laser generator has a plurality of anodes radially provided at the inlet section of the laser tube, and a ring-shaped cathode is provided on the gas discharge section side of the laser tube. On the upstream side from the anodes... | 02/12/1991 |
| 4928286 | Hypersonic gasdynamic laser system A visible, or near to mid infra-red, hypersonic gasdynamic laser system incorporated in a hypersonic vehicle which provides high enthalpy ram air for thermodynamic excitation of the laser gases. The hypersonic vehicle defines therein a laser cavity, and r... | 05/22/1990 |
| 4823355 | High speed axial flow gas laser generator A high-speed axial-flow gas laser generator has a plurality of anodes radially provided at the inlet section of the laser tube, and a ring-shaped cathode is provided on the gas discharge section side of the laser tube. On the upstream side from the anodes... | 04/18/1989 |
| 4807244 | Chemical laser There are provided chemical lasers which provide pulsed radiation in the visible or near visible (denoted hereafter as short-wavelength) range. The novel pulsed short-wavelength chemical lasers are operated by detonating an explosive mixture which contain... | 02/21/1989 |
| 4782496 | Breakaway nozzle for a laser processing machine A laser processing machine nozzle is disclosed. The nozzle tip is detachably secured to the laser head of a laser processing machine. The nozzle tip is urged to remain in a fixed position relative to the laser head, but may be displaced by forces such as ... | 11/01/1988 |
| 4740980 | Gas laser device In a gas laser device according to this invention, a gas inlet having an electrode protrudes within each of expanded portions protruding on the side, where the gas inlet is disposed, of the principal portion of the discharge tube. Gas medium ejected from ... | 04/26/1988 |
| 4713823 | Pre-combustion integrated Ram airbreathing laser The present invention provides a Ram airbreathing laser adapted to use with an aircraft which operates primarily in the Mach 3 to Mach 6 regime. Valves, or gates, are provided in the propulsive flow path and the auxiliary flow path for laser in a manner s... | 12/15/1987 |
| 4625316 | High efficiency electron beam gun foil support The reduction of the grazing angle of electrons in an electron gun with a cathode emitting a beam of electrons which pass through a thin foil into a chamber is accomplished by geometrically tailored electron gun foil supports. One embodiment of the invent... | 11/25/1986 |
| 4598409 | CW HF R-branch laser A continuous wave HF R-branch chemical laser uses a linear array nozzle system having primary and secondary nozzles for exciting HF and a laser resonator having mirrors with reflectance to discriminate against P-branch lasing of the excited HF.... | 07/01/1986 |
| 4584689 | Apparatus for modifying the liquefication or solidification point of a gas An electric discharge gas laser utilizing a seedant material which is cooled prior to the main laser discharge. The seedant is ionized prior to the cooling process and prior to the main discharge, this pre-ionization maintaining the seedant material in a ... | 04/22/1986 |
| 4553243 | Chemical laser There is provided a high repetition rate chemical laser comprising in combination a mixing chamber, an inlet for continuously introducing reactants into the chamber, a supersonic nozzle constituting an exit from the mixing chamber, a laser cavity located ... | 11/12/1985 |
| 4547884 | Sonic flow plate A sonic flow plate assembly for controlling the mass flow rate of gases by use of the sonic choking phenomenon. Identical gas flow control plate portions, each containing a plurality of nozzles formed by the smooth internal surface of vertical passageways... | 10/15/1985 |
| 4466100 | Delta wing nozzle assembly for chemical lasers A delta wing nozzle assembly for use within a supersonic chemical laser having a plurality of delta wing-shaped elements which substantially increases the mixing rate of the active reactive gaseous ingredients injected into the resonant cavity of the lase... | 08/14/1984 |
| 4424585 | Chemical laser nozzle blade support system A chemical laser nozzle blade support system which incorporates therein at least two continuous flexure member to secure the nozzle blades of the laser to the laser body. The blade and flexure member are formed with a radius, R, and each side of the membe... | 01/03/1984 |
| 4375687 | Hypersonic wedge nozzle for chemical lasers A hypersonic wedge nozzle for chemical lasers that has a radially diverging low primary nozzle with a multiplicity of hypersonic wedge type secondary injection wedges at the exit end of the primary nozzle to allow gas flow to become supersonic in the prima... | 03/01/1983 |
| 4319201 | Self compressing supersonic flow device A method and apparatus for providing a self-compressing supersonic flow is provided by use of a contoured supersonic nozzle design. The shape of the supersonic nozzle array can be composed of curved blades which provide a focusing effect for a supersonic ... | 03/09/1982 |
| 4307842 | Nozzle particularly for lasers A plurality of arcuate, secondary (fuel) nozzle members are juxtaposed, so that respective two of them define between them a curved, primary slit nozzle, producing a primary (oxidizer) expansion flow while the two flows mix downstream, predominantly trans... | 12/29/1981 |