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Patent No. 5719655

System for magnetically attaching templeless eyewear to a person

A system of eyewear that eliminates the need for hinges on the frames of the eyewear.

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Attorney: Dropkin; Robert F.


Number of patents: 118
Last date: February 13, 1996

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NumberTitleIssue Date
5490870Amalgamable composition and method of production
A multi-component composition suitable for amalgamation with mercury to form a dental amalgam, an amalgam and a method for producing such a multi-component composition. The multi-component composition has: from 30 to 90% (by weight) of a first component c...
02/13/1996
5451244High strain rate deformation of nickel-base superalloy compact
A process for preparing a consolidated nickel-base superalloy compact suitable for tensile force inducing high strain rate deformation. It includes the steps of: preparing a melt of a nickel-base superalloy in a vacuum; atomizing the melt into powder in a...
09/19/1995
5396986Mixing capsule having three tubular members
A mixing capsule for mixing a first material with a second material, and in particular, a capsule in which the materials are kept separated and brought together only at the time they are to be mixed. The capsule is characterized by a pierceable partition ...
03/14/1995
5354353Amalgamable composition and method of production
A multi-component composition suitable for amalgamation with mercury to form a dental amalgam, an amalgam and a method for producing such a multi-component composition. The multi-component composition has: from 30 to 90% (by weight) of a first component c...
10/11/1994
5185125Dental alloy and amalgam thereof
A dental alloy having, upon amalgamation, a desirable combination of physical properties and both a desirable condense time and carve time. The alloy contains from 48.75 to 50.75% silver, 20.25 to 21.75% copper, 28.25 to 29.25% tin, 0.05 to 0.8% palladium...
02/09/1993
5103458Electric arc remelting
A process for casting an ingot of pre-alloyed metal from a consumable electrode. It includes the steps of: providing a consumable electrode corresponding to the desired metallurgical composition of the to-be-cast ingot; providing a second electrode; strik...
04/07/1992
4808225Method for producing an alloy product of improved ductility from metal powder
A process for producing an alloy product of improved ductility from metal powder. It includes the steps of: providing metal powder having at least 5 wt. % of one or more reactive elements from the group consisting of titanium, aluminum, hafnium, niobium, ...
02/28/1989
4664855Method for producing amalgamable alloy
A process for manufacturing an atomized amalgamable alloy having mold adaptation characteristics superior to other atomized alloys and comparable or better than those for ad-mixed type alloys (alloys which are mixtures of spherical and irregularly shaped ...
05/12/1987
4629521Nickel base alloy
A gamma prime strengthened nickel-base alloy characterized by a highly desirable combination of stress rupture life, hot corrosion resistance, oxidation resistance, phase stability and ductility. The alloy contains from 14 to 18% chromium, from 0.3 to 3% ...
12/16/1986
4465159Nonlinear ear protecting device
An ear protecting device for protecting a wearer from annoying and/or damaging noise levels. The device is comprised of a connecting member and a pair of muffs suitable for covering a wearer's ears. The muffs are suspended from opposite portions of the co...
08/14/1984
4464205Wrought P/M processing for master alloy powder
A powder metallurgical process for producing a wrought product characterized by a low level of residual impurities. The process comprises the steps of: comminuting metal powder to effect a reduction in particle size, at least 60% of the comminuted particl...
08/07/1984
4464206Wrought P/M processing for prealloyed powder
A process for producing a wrought product of improved ductility from substantially noncompactible prealloyed metal powder. The process comprises the steps of: comminuting substantially noncompactible prealloyed metal powder so as to flatten the particles ...
08/07/1984
4460542Iron-bearing nickel-chromium-aluminum-yttrium alloy
A high temperature oxidation resistant alloy. The alloy consists essentially of, by weight, from 14 to 18% chromium, from 4 to 6% aluminum, from 1.5 to 8% iron, a small but effective yttrium content not exceeding 0.04%, up to 12% cobalt, up to 1% manganes...
07/17/1984
4459707Ear protecting device
An ear protecting device for protecting a wearer from annoying and/or damaging noise levels. The device is comprised of a connecting member and a pair of muffs suitable for covering a wearer's ears. The muffs are suspended from opposite portions of the co...
07/17/1984
4425168Copper beryllium alloy and the manufacture thereof
A process for producing a copper beryllium alloy. The process includes the steps of: preparing a copper beryllium melt; casting the melt; hot working the cast copper beryllium; annealing the copper beryllium; cold working the annealed copper beryllium; an...
01/10/1984
4423014Solvent extraction
A pregnant liquor is mixed with an organic mixture comprised of an organic extracting agent and iso-butyl-heptyl ketone. Metallic values are absorbed from the pregnant liquor by the organic mixture. The metal-bearing organic mixture is then separated from...
12/27/1983
4394185Processing for copper beryllium alloys
A process for producing formed copper beryllium alloys. The process includes the steps of: preparing a copper beryllium melt; casting the melt; hot working the cast copper beryllium; solution annealing the copper beryllium; optionally cold working the sol...
07/19/1983
4354592Self-cleaning apparatus for removing material from a rotating drum
Self-cleaning apparatus for removing material from a rotating drum. Buckets are associated with a scraper which is maintained in a substantially fixed position relative to the local gravitational force vector. The scraper is maintained in said position by...
10/19/1982
4353742Cobalt-containing alloys
A wear-resistant alloy, which excluding impurities, has the following composition: (a) about 50 to 70% of cobalt, nickel and iron; (b) 27 to 35% of chromium; (c) 5 to 15% of molybdenum and/or tungsten; (d) 0.3 to 2.25% of carbon and/or boron; (e) 0 to 3% ...
10/12/1982
4344621Target with energy-absorbing foam mat
A practice device for use in the practice of those sports involving the hurling or striking of a ball or other sport projectile toward a specified target. The device of the invention serves to safely arrest the flight of the projectile while informing the...
08/17/1982
4340129Acoustical laminate construction and attenuated systems comprising same
Disclosed herein is a flexible acoustical laminate construction which can be applied to noisy enclosures in order to attenuate noise therein. The construction of the invention finds particular use as a cabliner for the cabs or crew compartments of heavy c...
07/20/1982
4320094Partitioning of refractory metals from oxidation resistant scrap alloy
Alloy scrap containing refractory metals such as chromium, molybdenum, tungsten, vanadium, niobium and tantalum and base metals such as nickel, cobalt, copper and iron are treated to partition the refractory metal values from the base metal values without...
03/16/1982
4305754Chromium recovery from scrap alloys
Disclosed is a process for recovering chromium, vanadium, molybdenum, and tungsten from secondary resources such as alloy scrap comprising a refractory metal and base metals such as cobalt nickel, iron, and copper. The scrap is calcined with sodium carbon...
12/15/1981
4298581Process for recovering chromium, vanadium, molybdenum and tungsten values from a feed material
Disclosed is a process for recovering chromium, vanadium, molybdenum, and tungsten from secondary resources such as alloy scrap comprising a refractory metal and base metals such as cobalt, nickel, iron, and copper. The scrap is calcined with sodium carbo...
11/03/1981
4298582Vanadium recovery from scrap alloys
Disclosed is a process for recovering chromium, vanadium, molybdenum, and tungsten from secondary resources such as alloy scrap comprising a refractory metal and base metals such as cobalt, nickel, iron, and copper. The scrap is calcined with sodium carbo...
11/03/1981
4293355Method for ultrasonically welding plasticized thermoplastic polymeric foam wares
Disclosed herein is a tethered earplug construction comprising a pair of plasticized thermoplastic foam earplugs tethered together by one or more flexible plasticized thermoplastic cord elements. Attachment of the cord element to the earplug is achieved b...
10/06/1981
4217136Corrosion resistant austenitic stainless steel
A substantially non-porous, austenitic stainless steel that is resistant to chloride pitting and sulfuric acid and a method for making it are disclosed. The steel includes from 21-45% manganese, from 10-30% chromium, from 0.85-3% nitrogen, from 0-1% carbo...
08/12/1980
4217150Corrosion resistant austenitic steel
A substantially non-porous, sulfuric acid resistant austenitic stainless steel and a method for making it are disclosed. The steel includes from 15-45% manganese, from 10-30% chromium, from 1-3% copper, from 0.85-3% nitrogen, from 0-2% silicon, from 0-1% ...
08/12/1980
4213804Processing for cube-on-edge oriented silicon steel
A process for producing electromagnetic silicon steel having a cube-on-edge orientation. The process includes the steps of: preparing a melt of silicon steel containing from 0.02 to 0.06% carbon, from 0.0006 to 0.0080% boron, up to 0.0100% nitrogen and fr...
07/22/1980
4212665Decarburization of metallic alloys
An improvement in the manufacture of metallic alloys, and particularly in that stage of production wherein the alloy is decarburized. By adding an oxide of an element of the alloy being produced to the melt-down charge or to the melt, along with a flux wh...
07/15/1980
4200477Processing for electromagnetic silicon steel
A process for producing electromagnetic silicon steel having a cube-on-edge orientation. The process includes the steps of: preparing a melt of silicon steel having up to 0.07% carbon, from 0.01 to 0.25% manganese, from 0.01 to 0.09% of material from the ...
04/29/1980
4190437Low thermal expansion nickel-iron base alloy
A castable nickel-iron base alloy suitable for high temperature service and characterized by low thermal expansion and freedom from notch sensitivity and deleterious microshrinkage in castings. The alloy consists essentially of at least 16% nickel, at lea...
02/26/1980
4179315Silicon steel and processing therefore
A process for producing electromagnetic silicon steel having a cube-on-edge orientation and a permeability of at least 1870 (G/Oe) at 10 oersteds. The process includes the steps of: preparing a melt of a silicon steel containing from 0.02 to 0....
12/18/1979
4171994Use of nitrogen-bearing base coatings in the manufacture of high permeability silicon steel
A process for producing silicon steel having a cube-on-edge orientation and a permeability of at least 1850 (G/Oe) at 10 oersteds, which includes the steps of: preparing a melt of steel consisting essentially of, by weight, up to 0.07% carbon, ...
10/23/1979
4167426Method for annealing silicon steel
Individual charges of silicon steel are passed through a tunnel type furnace provided with charge and discharge vestibules. The annealing takes place in a hydrogen atmosphere and the vestibules are purged with nitrogen and then with hydrogen. The hydrogen...
09/11/1979
4165868Method and apparatus for heating coils of strip
Coils of strip to be annealed are placed in a furnace with their eye vertical and are heated to the annealing temperature by heating elements on the furnace above and below the level of the coils. An improved convector coil support includes a single metal...
08/28/1979
4160677Method of processing alloy steel strip
In treating certain types of steel strip, it passes through a plurality of processes including a salt bath having a driven sink roll therein. In order to by-pass the salt bath the sink roll and its drive are raised while maintaining them horizontal. This ...
07/10/1979
4160681Silicon steel and processing therefore
A process for producing electromagnetic silicon steel having a cube-on-edge orientation. The steel has a permeability of at least 1870 (G/Oe) at 10 oersteds and a core loss of no more than 0.720 watts per pound at 17 kilogauss - 60 Hz. The proc...
07/10/1979
4157925Texture annealing silicon steel
A process for producing electromagnetic silicon steel having a cube-on-edge orientation. The process includes the steps of: preparing a melt of silicon steel containing from 0.02 to 0.06% carbon, from 0.015 to 0.15% manganese, from 0.005 to 0.05% of mater...
06/12/1979
4156053Method of making oxide dispersion strengthened powder
A process for preparing metal having a substantially uniform dispersion of hard filler particles. The process includes the steps of: admixing particles of a first metallic component with oxide particles having a negative free energy of formation at 1000°...
05/22/1979
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