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| Number | Title | Issue Date |
| 7229684 | Light-stable colored transparent composite films Composite film structures exhibit a predetermined finished color tone comprised of a transparent film layer which exhibits a color deficiency as compared to the finished color tone, and a pigment which is visually associated with, and satisfies the color deficiency ... | 06/12/2007 |
| 6953618 | Light-stable colored transparent composite films Composite film structures exhibit a predetermined finished color tone comprised of a transparent film layer which exhibits a color deficiency as compared to the finished color tone, and a pigment which is visually associated with, and satisfies the color deficiency ... | 10/11/2005 |
| 5871344 | Flash lamp array with porous vent A compact flash lamp array includes a housing defining a plurality of cavities, with each cavity having a light emitting opening and a combustible mass deposited in each cavity. A firing means such as an electrically heated filament or percussive primer i... | 02/16/1999 |
| 5871345 | Percussively fired flash lamp array A compact flash lamp array includes a housing defining a plurality of cavities. Each cavity has a light emitting opening and a primer vent opposite the light emitting opening. A combustible mass is deposited in each cavity over the primer vent and a prime... | 02/16/1999 |
| 5620319 | Photoflash lamp with optical element undergoing heat generated change from substantially uniform thickness to being thicker in the center, during flash ignition, to enhance light output by converging light rays A photoflash lamp comprising a lamp housing, a combustible material burning inside the lamp housing to produce a flash illumination, and ignition means for igniting the combustible material, is characterized by optical element means on the lamp housing fo... | 04/15/1997 |
| 4717336 | Flashed-lamp indicator An improved flashed-lamp indicator composition comprising a volatile dye, a nonvolatile particulate heat-absorbing material; a binding agent; and inert platelet-shaped particles having an average particle size within the range of from about 0.5 to about 1... | 01/05/1988 |
| 4664622 | Multilamp photoflash device with improved coating A multilamp photoflash device comprising an outer housing containing a plurality of flashlamps and means for sequentially flashing the flashlamps of the device and having an antistatic coating on the surface of the outer housing is provided. The antistati... | 05/12/1987 |
| 4515558 | Encapsulated photoflash device having a radiant energy-activated disconnect switch as part of the circuitry thereof A photoflash device which includes a plastic substrate, lamp-firing circuitry located on a first surface of the substrate, a disconnect switch also secured to the first surface of the substrate and electrically joined to the lamp-firing circuitry, at leas... | 05/07/1985 |
| 4498883 | Method of encapsulating a photoflash lamp using a powdered resin A method of forming a protective coating on a glass envelope of a photoflash lamp. The method comprises the steps of orienting the lamp within a mold member such that the external surfaces of the lamp's glass envelope do not contact the internal surfaces ... | 02/12/1985 |
| 4449950 | Method of making photoflash lamp to prevent shred migration into tip portion of lamp envelope during sealing thereof A method of making a photoflash lamp wherein an elongated piece of glass tubing is sealed at a first end thereof to secure a pair of lead-in wires therein. Thereafter, a quantity of primer material is positioned within the tubing through the second, open ... | 05/22/1984 |
| 4347053 | Photographic flash device using light-emitting pyrotechnic charges A photographic flash device which includes several pyrotechnic charges for emitting light upon electrical ignition thereof. Each charge is centrally suspended within an individual chamber located within the device's light-transmitting, plastic housing. Th... | 08/31/1982 |
| 4341817 | Flashlamp containment coating A process for applying a protective light-transmitting coating to a photoflash lamp comprising the steps of applying the protective coating to the lamp and curing the applied coating by exposure thereof to radiant energy and characterized by the improveme... | 07/27/1982 |
| 4279590 | Lamp with protective coating and method of applying same A photoflash lamp having a glass envelope with a clear protective exterior coating comprising a photopolymer reinforced with glass fibers. In applying the coating, a long strand of glass fibers is wrapped about the lamp envelope, which is then dipped in a... | 07/21/1981 |
| 4257765 | Color corrected flash lamp Color correction means for flash lamp are disclosed which utilizes a blue emitting organic phosphor medium to increase the total light output being emitted from the flash lamp and lower the Spectral Distribution Index (SDI) of the lamp-phosphor combinatio... | 03/24/1981 |
| 4235590 | Tinted UV cured coatings for photoflash lamps For use in a color-corrected photoflash unit, a flashlamp having a clear glass envelope with a transparent protective exterior coating comprising a UV curable photopolymer tinted with a colorant providing a portion of the total color correction capability... | 11/25/1980 |
| 4232058 | Method of coating a lamp with a U.V. curable resin with fibers therein A photoflash lamp having a glass envelope with a clear protective exterior coating comprising a photopolymer reinforced with glass fibers. In applying the coating, a long strand of glass fibers is wrapped about the lamp envelope, which is then dipped in a... | 11/04/1980 |
| 4198200 | Damage-preventive coatings Thermosetting addition-polymerizable unsaturated urethane or urea compositions have been developed which are especially suited for use as damage-preventive coatings for wood, metal, glass, ceramic, and plastic structures. The use of the coatings as contai... | 04/15/1980 |
| 4198199 | Lamp with protective coating and method of applying same A photoflash lamp having a glass envelope with a clear protective exterior coating comprising a photopolymer. In applying the coating, the lamp is dipped in a liquid photopolymer and then cure-hardened by a short period of irradiation with a source of ult... | 04/15/1980 |
| 4174944 | Single lead electrically-activated flashlamp An electrically fired flash lamp which utilizes a single conductive lead member. The lead protrudes within the lamp's envelope and is covered by a quantity of primer material. A conductive coating (e.g. tin oxide) covers a major portion of the external su... | 11/20/1979 |
| 4158878 | Means for electrically contacting flash lamp having external conductive coating Several means are described for providing an electrical coupling path through a protective, insulative layer, e.g. cellulose acetate, located on an electrically activated flash lamp envelope. The function of the path is to interconnect a thin conductive c... | 06/19/1979 |
| 4101260 | Flash array A flash array which is provided with a transparent electrically conductive layer which serves to prevent spontaneous ignition of a flash lamp in the device. The flash array is provided with high voltage combustion flash lamps and the transparent electrica... | 07/18/1978 |
| 4076489 | Method for coating photoflash lamps A method for coating photoflash lamps with UV curable solventless organic resins having desirable transmission characteristics in the cured state to render the lamps shatter resistant upon flashing wherein the photoflash lamp is dipped into resin for a pe... | 02/28/1978 |
| 4045156 | Photoflash lamp A photoflash lamp having an envelope composed of a crystallized glass which exhibits high refractoriness and mechanical strength and minimizes the propagation of flaws. The thermal expansion coefficient of the glass permits a match seal to commonly employ... | 08/30/1977 |
| 3992136 | Photoflash lamp with polycarbonate coating A photoflash lamp having a polycarbonate coating over its glass envelope with an alkali-barrier coating disposed between the glass envelope and polycarbonate coating for extending the shelf-life of the polycarbonate coating by preventing alkali released b... | 11/16/1976 |
| 3959525 | Method of coating photoflash lamp A method of coating the glass envelope of a photoflash lamp with a thermoplastic material, the method comprising: preheating the glass envelope at a predetermined temperature for approximately one minute; immersing the heated envelope into a fluidized bed... | 05/25/1976 |
| 3947224 | Photoflash lamp with modified polycarbonate coating A photoflash lamp having a protective coating over its glass envelope which is composed of an acidified polycarbonate resin for providing a strong containment vessel with improved aging charcteristics under conditions of stress and humidity. A preferred c... | 03/30/1976 |
| 3947223 | Photoflash lamp A photoflash lamp having a glass envelope with an inner layer or coating of a material selected to have a low thermal conductivity and diffusivity for minimizing heat losses during the collision of molten droplets of combustible metal with the inner wall ... | 03/30/1976 |
