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6966811 |
Method of fabricating an incandescent halogen lamp having flattened filament support leads
An incandescent halogen lamp used in connection with a vehicle headlamp system in which stray light attributable to reflection off of internal lamp components is reduced while the structural...
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6717339 |
Light bulb provided with a device for preventing short-circuits
The invention relates to a light bulb comprising a base BA to which a filament FIL is connected, which filament is intended to emit a luminous radiation and has turns arranged in spiraling fashion...
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6659829 |
Single-ended halogen lamp with IR coating and method of making the same
A single-ended tungsten halogen lamp having a spherical or ellipsoidal envelope and an infrared reflective coating is manufactured using a mandrel alignment tool that radially centers an...
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6607416 |
Method and apparatus for setting X-ray tube filaments
An apparatus (20) for setting a filament (22) on an electrode (24) comprises a body (52) having a central member (54) with a longitudinal axis (A—A), a first end member (56) and a second end m...
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6017258 |
Filament attaching method
A method of attaching an extra fine filament of a halogen lamp. A support is fixed on an inner wall of an envelope. A mount having a filament is inserted into the envelope so that the filament is...
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5680009 |
Method of making an electric incandescent lamp, and electric lamp made in accordance with the method
To permit easy assembly of a filament for a halogen incandescent lamp hav a filament holder frame (4) to retain an essentially planar filament (11) in position, the frame is made of two...
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5542867 |
Process for connection of a molybdenum foil to a molybdenum lead portion and method of producing a hermetically enclosed part of a lamp using the process
A process for connecting a molybdenum foil to a lead portion with sufficient strength and reliability in which an expensive binder, such as platinum, platinum clad molybdenum, or the like, is not...
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5380230 |
Method of manufacturing a single-ended incandescent lamp
An incandescent lamp having a filament with an integral support portion between its ends which bears against the lamp envelope for supporting the filament therein is produced. The integral support...
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5209689 |
Methods for mounting filaments in tubular incandescent lamp capsules
A method for mounting a filament in a double ended incandescent lamp capsule. A filament assembly, including a filament, filament supports attached to each end of the filament and an external lead...
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5159235 |
Hollow lamp bridge
A lamp bridge may be formed from a siliceous hollow tube positioned between and melted to bridge supports. The hollow tube melts more quickly, and more completely, and therefore bonds stress free...
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5127864 |
Method of making a double ended lamp
A method of making a double ended lamp having a tubular envelope, a filament, and button contacts at opposite ends of the lamp is disclosed. By first forming a metallurgical bond between the button...
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5008592 |
Halogen incandescent lamp and method of manufacturing a halogen incandescent lamp
The halogen incandescent lamp has a tipless lamp vessel (1) having a first seal (3), in which a current supply conductor (7) with a foil-shaped part (9) of small width (w1) is accommodated, and a...
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5006088 |
Method of making a pinch-sealed, gas-filled incandescent lamp
A method of manufacturing an incandescent lamp which has a tube extending through the pinch seal of the glass envelope both for evacuating the same and for subsequently introducing a halogen gas...
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4973878 |
Filament structure and method of making such structure
A method of making an axial filament structure for a lamp in which the filament is concentric with the axis of the envelope, wherein a hook-like shape (131) is formed in a support member (117)...
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4959585 |
Electric incandescent lamp and method of manufacture therefor
An electric incandescent lamp having an improved coiled refractory metal filament construction is disclosed which enables the lamp to provide a more precise light source. Various lamp and coiled...
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4918356 |
Electric incandescent lamp and method of manufacture therefor
An electric incandescent lamp having improved means for both physically positioning and controlling the light output from a filament light source is disclosed. The lamp construction can further...
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4895540 |
Filament support structure mounting method
A method of making an axial filament structure for a lamp in which the filament is concentric with the axis of the envelope, wherein a hook-like shape (131) is formed in a support member (117)...
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4893050 |
Lamp with a captured reflector and method of manufacture
A lamp with an internal reflector is disclosed. The reflector includes an extension captured in the inner surface of the envelope to security position, and maintain the reflector position, without...
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4868451 |
Lamp filament support construction
A method of constructing a filament support member from a single-piece preformed refractory metal wire having at least one loop protrusion formed in the wire and positioned between the ends of the...
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4864184 |
Lamp construction and method of manufacture
An improved lamp construction and associated method of manufacture of a lamp that includes a sealed capsule with lead-in wires and a ceramic base. A pair of sleeves each defining a lamp contact pin...
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4839559 |
Radiant energy incandescent lamp
An electric incandescent lamp for selective radiant energy distribution is disclosed which employs a reflective film for improved efficiency of the lamp operation. Said lamp further employs a...
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4823461 |
Method of manufacturing fluidic angular rate sensor
A method of manufacturing a fluidic angular rate sensor of the type wherein fine wires, such as tungsten wires, are mounted in tension over the heads of two pairs of spaced apart metal supports...
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4812710 |
Halogen incandescent lamp with high reliability filament connection, and method of manufacture
To permit easy attachment of a coiled filament, and especially a coiled-c or double-twist filament, to the current supply leads within a lamp bulb, in which the current supply leads are made of...
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4613787 |
Lamps filament supports for tungsten halogen incandescent
A linear filament assembly for a halogen cycle or other incandescent lamp comprises a generally linear filament usually a coil or coiled coil, supported at opposite ends by substantially rigid...
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4548589 |
Arc tube and plastic reflector assembly method
A halogen bulb lamp assembly manufactured by mounting a previously aligned halogen bulb unit in a one-piece molded plastic rectangular reflector with a mirrorized paraboloidal inner surface. The...
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4084871 |
Method for manufacture of lamp bulbs
A method for manufacture of lamp bulbs wherein four wires are arranged in parallel with and spaced apart by a suitable distance from each other and supported by a plurality of glass beads which are...
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4027363 |
Methods of making incandescent lamps
Axial-geometry incandescent lamps with accurately aligned, self-centering helical filaments are disclosed, the filaments having heavy end sections which are mechanically deformed to grip a helical...
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3988630 |
Lead wire forming apparatus for incandescent filaments
An improved lead wire forming apparatus is described comprising wire flattening apparatus, a three jaw hook former, and clamping dies for fastening the lead wire about a filament. BACKGROUND OF THE...
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3956808 |
Method of manufacturing a tube assembly for electric lamps
In a method of manufacturing a tube assembly for electric lamps in which a central supporting wire is supplied for the helical filament wire, according to the invention the supply of the supporting...
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3904908 |
Manufacture of electrical devices having sealed envelopes
An electrical device, e.g. an electric lightbulb has various electrical and/or optical parts contained inside an envelope, and is made by attaching the various parts to selected fingers of a metal...
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3863314 |
METHOD OF MANUFACTURING MINIATURE INCANDESCENT LAMPS
In the manufacture of a single ended subminiature incandescent lamp, a helically coiled wire filament is bent into a hairpin shape and is mounted on a temporary support while the mandrel on which...
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3863313 |
MANUFACTURE OF SUBMINIATURE INCANDESCENT LAMPS
In the manufacture of a single ended subminiature incandescent lamp, helically coiled filament wire, while still on the mandrel wire on which it has been coiled, is unreeled from a spool and a...
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3854180 |
METHOD OF CONNECTING A FILAMENT TO A SUPPORT IN AN ELECTRIC FILAMENT LAMP
A filament lamp in which the connection of the filament to the support is effected by means of a flattened sleeve in which the end of the filament is incorporated and against the outer wall of...
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3850489 |
METHOD OF MANUFACTURE OF AN INCANDESCENT LAMP
A method of manufacturing an incandescent lamp which includes the stretching of a filament, previously clamped to lead wires, by straightening a premeasured bend in one of the lead wires. In a...
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3840953 |
METHOD OF ASSEMBLING A FILAMENT-MOUNT FOR A SINGLE-ENDED INCANDESCENT LAMP
The coiled-coil filament of a quartz-halogen lamp is formed from a continuously-wound primary coil and is provided with a leg at each end. The filament is suspended in coaxial position within the...
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3837371 |
METHOD OF SHAPING FILAMENT SUPPORTS OF A MINIATURE SIGNAL LAMP
A process and an apparatus for manufacturing a miniature signal lamp. The lamp has a base having a longitudinal axis and radially projecting filament supports that project from the base and lie in...
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3817296 |
METHOD OF MAKING AN ELECTRODE HAVING A FILAMENT WITH EXTENDING LEGS
An electrode, such as for a fluorescent lamp, is made by providing a helically wound filament, attaching the filament near the ends thereof to a pair of support wires, temporarily holding an...
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3807005 |
PROCESS FOR DISSOLVING MANDREL WIRE OF A FILAMENT COIL
Gaseous nitrogen oxides generated at the time of dissolution of the mandrel wire of a filament coil can be accurately removed by adding an inhibitor for generation of gaseous nitrogen oxides to a...
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3791710 |
METHOD FOR PRODUCING A MULTIPLE FILAMENTED CARTRIDGE LAMP
A method for producing multiple filamented cartridge lamps is disclosed. The multiple filaments are connected together on the external ends of a cartridge lamp by linking members and then the ends...
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3785019 |
PROCESS FOR PRODUCING LAMPS
Lamps operating at high temperatures, and more particularly incandescent or arc lamps having sealed-in lead-in electrical conductors with improved service characteristics and longer service life...
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3751779 |
PINCH BASE ELECTRIC LAMP WITH TRANSVERSELY ARRANGED SUPPLY WIRES
A pinch-base lamp and method of making same were foils are sealed in the pinch, and secured to each foil are one end of a pole wire oriented generally parallel to the lamp axis and one end of a...
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3743375 |
HALOGEN FILAMENT LAMP
A method of manufacturing a halogen filament lamp in which a wire supporting the filament of the lamp is used having a meltable metal portion. The meltable metal portion is oriented approximately...
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3736630 |
APPARATUS AND METHODS FOR MAKING MINIATURE INCANDESCENT LAMPS AND THE LIKE
Filaments for axial geometry lamps as small as microminiature are formed and inserted in envelopes completely automatically. An envelope is fed from a magazine to a carriage; the carriage is moved...
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3729787 |
METHOD AND APPARATUS FOR MANUFACTURING BEADED FILAMENT-COIL COMPONENTS FOR ELECTRIC LAMPS
The ends of helically-coiled lamp filaments are provided with integral nodules or beads of fused metal which prevent the finished coils from tangling when handled en masse. The beads are formed by...
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3685881 |
METHODS OF MAKING INCANDESCENT LAMPS
A method of making an incandescent lamp comprises passing a filament for the lamp and a filament support through an opening in a bulb so that conductors from the filament pass out through the...
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3673652 |
FILAMENTARY DISPLAY DEVICES
In the mounting of filamentary coils between support terminals, the coils are stretched an amount in the range of 30-120 percent of the original length thereof. After mounting, but prior to the...
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3631593 |
ASSEMBLY OF FILAMENTARY DISPLAY DEVICES
A refractory wire is wound in an elongated helix around and along a mandrel of a material different from that of the wire. A length of the wound mandrel is extended across and the helix thereof is...
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3629914 |
METHOD OF MAKING AN ELONGATED SINGLY COILED FILAMENT AND MOUNTING IT IN A TUBULAR INCANDESCENT LAMP
The elongated filament of a lumiline- or showcase-type incandescent lamp is initially wound as a coiled coil filament and attached to the lead wires of the mount assembly. When a getter is used,...
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3600053 |
SINGLE-ENDED FILAMENT LAMPS
A single-ended tungsten halogen lamp having an envelope, a press seal closing one end of the envelope, two filament sections each having one end separately supported in said press seal, a common...
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3544188 |
INCANDESCENT LAMP AND METHOD OF MANUFACTURE
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