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Class 337/246 - Cartridge or tube structure or material of construction


Subclass of Class 337 - Electricity: electrothermally or thermally actuated switches
Definition: Subject matter wherein the cartridge or tube is specifically
No. of patents: 25
Last issue date: 03/25/2008


NumberTitleIssue Date
7348872Fuse having a plurality of configurable thermal ceilings
A fuse having a plurality of configurable thermal ceilings. The fuse includes a housing, a first conductive cap, a second conductive cap, a plurality of conductive elements extending through the housing, and a conductive connector that is electrically coupled to a c...
03/25/2008
7261786Filament wound crew rest enclosure structure
A mobile platform personnel berth unit and a method for creating the mobile platform personnel berth unit are provided. A male mandrel is created defining an inner mold line surface of the berth unit. The male mandrel is overlayed with one or more layers of filament...
08/28/2007
6952154Composite insulator for fuse cutout
The present invention relates to an electrical fuse cutout comprising: (i) an insulator having a composite body and at least two connectors, wherein a first connector couples the composite body to a fuse assembly and a second connector couples the body to a utility ...
10/04/2005
6798330Miniature fuse of surface-mount type
A miniature fuse of surface mount type having a stable pre-arcing time-current characteristic and a strong time lag characteristic The fuse is easy to produce, and provides a constant pre-arcing time. The main body of the fuse is of rectangular ceramic construction ...
09/28/2004
6774760Fuse element positioning body
In an exemplary embodiment, a fuse body includes a first end, a second end and a bore extending therethrough for receiving a fuse element assembly. The bore includes a clearing portion having a first cross sectional area and a positioning portion having a second cro...
08/10/2004
6577222Fuse having improved fuse housing
A fuse is disclosed having terminal leads electrically connected by a fusible link, and insulated within a housing. The housing is preferably made from a material which burns cleanly and has improved ablative qualities to prevent accelerated arcing within...
06/10/2003
5774037Circuit protector and method for making a circuit protector
A subminiature circuit protector includes a substrate carrying a metal fuse element hermetically sealed in a glass sleeve cartridge. The fuse element may comprise a film deposited on the substrate, or, alternatively a metal strip or wire. Leads extend fro...
06/30/1998
5357234Current limiting fuse
A fuse that includes an insulating housing made from two housing pieces made of thermoplastic material, terminals extending through slots in the ends of the housing, and a fusible element having ends connected to both of the terminals. The housing include...
10/18/1994
5122774Sub-miniature electrical component, particularly a fuse
A sub-miniature fuse for electrical protection includes an assembly of an outer tube and an inner tube made of insulating material. The inner tube has electrodes and a fusible metal link sputtered onto its outer surface. The assembly of inner and outer tu...
06/16/1992
5015514Pultruded or filament wound synthetic resin fuse tube
Improved arc-suppressing fuse tubes of the type used in electrical cutouts is provided which includes a fluid epoxy resin matrix core designed, upon experiencing high temperature arcing conditions, to generate sufficient moisture and arc-suppressing gases...
05/14/1991
4963850Thermal withstand capability of a filament wound epoxy fuse body in a current-limiting fuse
A fuse body encloses a fuse element of a current-limiting fuse wherein the fuse body is formed from an inexpensive material and provided with a shield between the inner surface of the fuse body and the fuse element. Thus, when the fuse element melts and a...
10/16/1990
4947149Electrical fuse with improved casing
An electrical fuse including a fuse casing having a tubular wall including multiple-filament reinforcing yarns that have been braided in the tubular shape of the wall and a synthetic resin bonding the yarns together and impregnating the yarns, a pair of t...
08/07/1990
4855705Fuse with a solid arc-quenching body made of non-porous rigid ceramic
A high power current-limiting fuse comprises a cylindrical envelope which closely surrounds a metallic fusible element in the form of a wire or ribbon. The cylindrical envelope is made of high density rigid ceramic such as Alumina of formula Al2
08/08/1989
4808963Replaceable high current draw out fuseholder
A drawout fuseholder 10 is made, containing two electrically conductive contacts 11 and 12 and having an insulating tube 13 connected thereto and disposed therebetween, where the tube tube has a smooth, hard inner surface 15 and outer surface 16 of glass ...
02/28/1989
4713645Fiber reinforced products and method for producing same
A fiber reinforced composite composed of a scrim/mat. The scrim/mat includes a layer of fiber scrim to which is bonded a layer of fiber mat. This product can be formed into a tubular member such as a fuse tube. The tube is made by pultruding the scrim/mat...
12/15/1987
4703299High current interrupting fuse with arc quenching means
The high current interrupting fuse of the invention includes an envelope free of sand or similar arc quenching material. The envelope preferably has terminal end caps enclosing the ends of the envelope between which caps a fuse element extends. The envelo...
10/27/1987
4646053Electric fuse having welded fusible elements
A fillerless electric fuse having a tubular casing with open ends is provided with a fusible element in the form of an extremely fine wire extending from one of the open ends to the other. The casing is provided with a pair of annular sections of reduced ...
02/24/1987
4564830Wound-in sleeve fuse cutout tube construction
An expulsion type fuse cutout fuseholder structural assembly (10) including a fuse tube assembly (12) having a bone fiber liner (40) and a sleeve insert (36) coaxially disposed entirely interiorly within an insulative outer covering or wrapping (14). A ra...
01/14/1986
4467308Fuse assembly
An improved fuse assembly having a unique structure comprising a rigid tubular member having preformed solder-receiving recesses on its outer surface at each end of the tubular member. A fusible element is stretched between the ends of the tubular member ...
08/21/1984
4419651High voltage current limiting fuse having a fuse element susceptible to oxidation and especially suited for high operating temperatures
A high voltage fuse with an element operating at relatively high temperatures and having such element comprised of a metallic material which is highly susceptible to oxidation at such temperatures is disclosed. The fuse element has predetermined dimension...
12/06/1983
4326185Electrical fuse with semi-cylindrical casings
An electric fuse having a cartridge formed of a pair of semi-cylindrical casings, i.e., a body casing and a cover casing. The cover casing has a circumferential flat edge surface and a central ridge protruding above the flat surface, and the body casing h...
04/20/1982
4081778Dry well fuseholder
A dry well fuseholder for use with electrical apparatus containing a dielectric liquid. The holder has an outer, liquid-tight, tubular shell and a number of components inside the shell abutting coaxially in the following order: an annular fitting adapted ...
03/28/1978
4074219Mounting means for a circuit breaker
A mount for a circuit breaker for mounting the circuit breaker in a holder of the type typically used for fuses and a method of making the mount is disclosed. Engaging means such as metallic screw threads or a bayonet ferrule are bonded to the envelope of...
02/14/1978
4068370Mounting means for a circuit breaker and method of making the same
A method for making a mount for a circuit breaker for mounting the circuit breaker in a holder of the type typically used for fuses and a method of making the mount is disclosed. Engaging means such as metallic screw threads or a bayonet ferrule are bonde...
01/17/1978
3986158Electric fuse having casing of synthetic-resin-glass-cloth laminate
A fuse having a composite casing. It includes a radially inner tubular portion that is circular in cross-section, of uniform wall thickness, and houses the fusible element means and a body of pulverulent arc-quenching filler. The casing structure further ...
10/12/1976
 
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