Matches 1 - 50 out of 115 1 2 3 >
Match Document Document Title
6960320 Oil burning lamps and related systems  
An exemplary oil burning lamp comprises a reservoir configured for storing a supply of oil, a base, a burner tube and a wick. The base is being sized and shaped to receive the reservoir. The burner...
6935241 Method of producing a device containing pyrotechnical material and device obtainable by this method  
A method of producing a device containing pyrotechnical material comprises the following steps: providing a tubular housing element with a base and metal ducts incorporated in the base, with the...
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...
5821451 Photoflash particle mixture  
The invention relates to a photoflash mixture comprising a mixture of particles of zirconia and at least one oxidizer, wherein said zirconia particles comprise a mixture of smaller particles...
H000638 Rapid flash lamp  
A method and apparatus for providing low peak time and pulse width actinic energy from a lamp by varying the input energy of a capacitive ignition circuit having relatively high voltage to the...
4778376 Gas ignition  
A method of gas ignition comprises energizing a permeable, porous electric heating element to an appropriate temperature for igniting a gas, and allowing the gas to contact the heating element.
4696641 Primer material and photoflash lamp  
An improved primer material for use in a high-voltage photoflash lamp is provided. The primer material includes electrically insulating beads which have been coated with a friction-reducing...
4659308 Photoflash lamp with improved primer  
A high-voltage photoflash lamp is provided wherein the lead-in wires are electrically insulated from the metallic shreds therein by including electrically insulating beads in the primer material....
4614494 Primer insulating base  
A high-voltage photoflash lamp is provided wherein the primer material is electrically insulated from the metallic shreds therein by an adherent layer of hollow electrically insulating beads. The...
4457700 Electrically-activated photoflash lamp excluding a press-sealed end portion  
An electrically-activated photoflash lamp which includes a lead glass envelope, a quantity of shredded zirconium or hafnium combustible material within the envelope, a combustion-supporting gas...
4445847 Photoflash lamp  
A photoflash lamp, particularly a miniature flashlamp, having improved light output and comprising an envelope having a base portion with an inner concave shape with a pair of spaced leads...
4432725 Subminiature flashlamp mount design  
A photoflash lamp has an envelope containing a filamentary combustible material in a combustion-supporting atmosphere and is positioned adjacent an ignition means having a pair of electrical...
4432724 Photoflash lamp including improved ignition means  
An electrically-activated, subminiature photoflash lamp including a glass envelope, a quantity of combustible shred material (e.g., zirconium or hafnium) for providing high intensity light output...
4424020 Miniature photoflash unit using subminiature flash lamps  
An electrically-activated, miniature photoflash unit which includes a plurality (e.g., ten) of subminiature high voltage flash lamps arranged in a planar array. A singular mounting tab protrudes...
4421493 Method of making photoflash lamp  
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 first quantity of primer...
4403973 Photoflash lamp structure and fabrication process  
A photoflash lamp includes a glass envelope having a pair of electrical conductors forming a recessed seal with a primer material bridging the electrical conductors and extending into the recessed...
4388065 Combustion flash bulb  
High voltage-ignited combustion flash bulbs according to the invention have a first current conductor which extends into a mass of metal strips. The first current conductor is connected inside the...
4382775 Miniature photoflash lamp and method of making  
A miniature photoflash lamp which includes a plastic, light-transmitting envelope and a quantity of a flash-producing composition therein. The composition includes a powdered metal (e.g.,...
4381915 Filament-type lamp primer and fabrication process  
A filamentary-type photoflash lamp suitable for use with a relatively low voltage high current power source includes a glass envelope with a shredded metal fill, a pair of leads interconnected by a...
4369028 Photoflash lamp  
A high-voltage type photoflash lamp having an ignition structure including an improved primer material for the reliable ignition of filamentary combustible material distributed within the...
4363622 Combustion flashbulb  
Combustion flashbulbs according to the invention have a light-pervious lamp envelope (1) filled with a tangled mass (5) of actinically combustible metal strips and an oxidizing gas. Current supply...
4348173 Subminiature photoflash lamp with spaced-apart, light-emitting pyrotechnic charges  
A subminiature photoflash lamp which includes a pair of pyrotechnic charges centrally disposed in a parallel, spaced relationship within the lamp's plastic, light-transmitting envelope. Each charge...
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...
4342553 Glass to nickel-iron alloy seal  
A range of borosilicate glass compositions which are capable of sealing effectively to nickel iron alloys containing up to approximately 52% nickel to form a hermetic seal resistant to thermal...
4341513 Subminiature photoflash lamp having light-emitting pyrotechnic charge  
A subminiature photoflash lamp which includes a pyrotechnic charge centrally disposed within the lamp's plastic, light-transmitting envelope. The charge is supported on the ends of the lamp's...
4315733 Photoflash lamp with loose powder composition and method of making  
A photoflash lamp which includes a plastic envelope having a flash-producing composition therein. The composition, in loose powder form, is held in position within the envelope prior to ignition by...
4314394 Photoflash lamp construction and method of making same  
A high-voltage type photoflash lamp filled with a filamentary combustible material and oxygen and having an ignition structure including a pair of spaced-apart lead-in wires sealed in one end of...
4311453 High voltage flashlamp with ignition means including a plurality of spark gap members  
A high voltage, electrically-activated flashlamp which includes an improved ignition means comprising a pair of lead-in wires, a glass or ceramic insulator positioned on the ends of the wires, and...
4302182 Photoflash lamp  
A high-voltage type photoflash lamp having an ignition structure including an improved primer material for the reliable ignition of filamentary combustible material distributed within the...
4278420 Photoflash lamp, method of making same, and photoflash circuit  
An electrically-activated photoflash lamp which includes a glass envelope, combustion-supporting (e.g. oxygen) atmosphere, a quantity of filamentary combustible material (e.g. zirconium), and an...
4233023 Photoflash lamp having expandable burning volume  
A photoflash lamp of generally flat configuration for providing compact containment of metal fuel and solid oxidant includes a plate member having a recess therein. An expandable sheet member is...
4229161 Photoflash lamp and method of making  
An electrically-activated photoflash lamp which includes a thin member (e.g. a mica disk) therein located between the lamp's combustible shreds and primer material. The disk prevents the shreds...
4226583 Photoflash lamp with knurled foil strip  
A long-duration photoflash lamp comprising a sealed glass bulb containing a gas filling of oxygen and nitrogen, an ignition filament, and a corrugated strip of magnesium foil having a knurled...
4217089 Photoflash lamp  
A photoflash lamp in which the combustible material within the lamp envelope comprises a plurality of filaments released from the periphery of a rotating heat-extracting disk in contact with a melt...
4204834 Leadless electric flash lamp  
A flash lamp which is electrically activated using capacitive coupling between a pair of conductors located externally of the lamp's glass envelope and a respective pair of conductors located...
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...
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...
4128858 Multiple flashlamp system  
A multiple photoflash system is provided which employs a high voltage type flashlamp construction, including a shorting primer material. The primer material is converted to a conductive residue...
4105392 Photoflash lamp  
A high-voltage type photoflash lamp filled with a filamentary combustible material and oxygen and having an ignition structure comprising a pair of spaced apart lead-in wires bridged at their inner...
4097221 Photoflash lamp with combustible filament  
A photoflash lamp having an ignition filament composed of a combustible metal, such as zirconium, hafnium, or titanium, to assure reliable lamp operation from low current power sources. In...
4097220 Flash lamp array having shorting lamps  
A sequencing flash array having flash lamps which are short-circuited across their lead-in wires after flashing. The lamps contain primer material at the bases of their bulbs and bridging across...
4059389 Photoflash lamp and method of making same  
A high-voltage type photoflash lamp filled with a filamentary combustible material and oxygen and having a beadless ignition structure comprising a pair of spaced apart lead-in wires with...
4049369 Photoflash lamp and multilamp unit with electrostatic protection  
A high-voltage type photoflash lamp having an ignition structure comprising a mass of primer material bridging a pair of lead-in wires. An insulating sleeve encloses one of the lead-in wires and a...
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...
4039273 Photoflash lamp providing after-flash shorting  
A photoflash lamp having a pair of lead-in wires arranged within the lamp so that one wire extends laterally above the other and is of a size and material so as to deform due to heat of the...
4025285 Photoflash lamp  
A photoflash lamp having a filament type ignition structure coated with a primer comprising a mixture of combustible metal powder and a binding agent but free of oxidizers.
4014638 Photoflash lamp with electrostatic protection and method of making photoflash units  
A high-voltage type photoflash lamp having an ignition structure comprising a mass of primer material bridging a pair of lead-in wires which comprise the two legs of a generally hairpin-shaped...
4009987 Electric lamp having an internal switching mechanism  
A combustion flash lamp having a number of lead-in conductors in which two of the lead-in conductors are surrounded over a part of their length dimension by a metal sleeve which melts around said...
4008040 Photoflash lamp and method of making same  
A high-voltage type photoflash lamp filled with a filamentary combustible material and oxygen and having an ignition structure comprising a pair of spaced apart lead-in wires bridged at their inner...
3972673 Photoflash lamp  
An improved primer material is disclosed for a high-voltage type flashlamp construction. Said primer material comprises a solid mixture of a combustible fuel and an oxidizer for the fuel such as...
Matches 1 - 50 out of 115 1 2 3 >