Class 140/88 - Rings

Subclass of Class 140 - Wireworking
Definition: Making or forming wire rings, hoops, or closed loops of
No. of patents: 37
Last issue date: 11/20/2007

Number	Title	Issue Date
7296452	Metallic wire for grip rings, producing method and apparatus thereof, producing method and apparatus of grip rings for tube connector with use of metallic wire and grip rings for tube connector Disclosed are metallic wire with high surface quality and low-cost suitable for use as material for grip rings and a producing method and apparatus thereof. Metallic wire 34 deformed in a coil shape is passed through a shape correction unit 14 s...	11/20/2007
7108233	Wire ring net for rocky wall barriers and method for making it A wire ring net, particularly for providing barriers for rocky walls and the like comprises a plurality of braided wire rings, each wire ring comprising, at a starting end of its wire, a first curled portion wound about the wire of the first turn and, at the termina...	09/19/2006
7043951	Wire rod-forming machine To provide a wire rod forming machine for which it is possible to increase the production speed above that of the prior art. In the ring-forming machine 10 of the present configuration, between the respective edges 42 and 51 of the moving die	05/16/2006
7021084	Insulation shielding for glass fiber making equipment An energy-efficient inductive heater operable to heat a rotary glass fiber discharging spinner. The heater includes shielding disposed between the induction coil and the metal guard plates of the heater. The shielding may comprise any electrically insulative or diel...	04/04/2006
5852859	Method and apparatus for making piston rings A method and apparatus for making non-circular piston rings which will precisely sealably conform to the cylinder wall of an internal combustion engine. In accordance with the method of the invention a metal strip of special cross-sectional configuration ...	12/29/1998
5479683	Three-dimensional eyewinder apparatus An eyewinder system 10 has stations 100-108 for straightening, bending, measuring and transporting a wire 11 to form an eyewire 109. A controller 120 controls each station. Using information from tension and length measuring stations 104, 105, the control...	01/02/1996
5357776	Method of forming bushing rings A method of forming adjustable bushing rings comprising the steps of drawing wire of round cross-section and predetermined diameter through a die forming said drawn wire in a wire having a generally trapezoidally-shaped cross-section. The drawn wire is cu...	10/25/1994
5253507	Method of forming a spacer used to space end to end piping A method of forming undulate protrusions on a split ring with the ring placed in a die to first form a center protrusion and then to form the other protrusions located between the first formed protrusion and the ring ends....	10/19/1993
5226460	Method of producing a bead core for pneumatic tires A bead core for pneumatic vehicle tires, a method of producing same, and a winding reel for carrying out such a method are provided. The bead core comprises a plurality of spirally wound layers, each of which comprises load-carriers that are disposed next...	07/13/1993
5141033	Rubberless tire bead assemblies and methods of making same Rubberless tire bead assemblies are disclosed, containing either a single wire element or multiple wire elements wound about an axis to provide a plurality of convolutions of the single wire or multiple wire elements to provide the bead hoop and shape-ret...	08/25/1992
5141032	Apparatus for making rubberless tire bead assemblies Rubberless tire bead assemblies are disclosed, containing either a single wire element or multiple wire elements wound about an axis to provide a plurality of convolutions of the single wire or multiple wire elements to provide the bead hoop and shape-ret...	08/25/1992
5099893	Device for manufacturing an automotive tire bead A device (1) for manufacturing a tire bead (2) consisting of an annular element (3) formed from a metal wire (4) wound in such a manner as to form a number of coils packed by a flexible packing member (6) wound about the annular element (3) and having its...	03/31/1992
5099892	Process and apparatus for the manufacture of an automotive tire bead A method and apparatus for manufacturing an automotive tire bead (1), whereby an annular element (2) having a substantially circular section and consisting of a coiled metal wire (3) is formed by winding the wire (3) about a mandrel (17) defining a duct (...	03/31/1992
4928510	Ring coiling machine A wire feeding machine automatically forming a coil through an aperture in a product....	05/29/1990
4872618	Apparatus for winding coil on toroidal core An apparatus suitable for use in winding a coil on a toroidal core of a magnetic head of a video tape recorder or magnetic disc player by passing a wire through a minuscule aperture, with the apparatus including an annular wire guide formed with a cutout,...	10/10/1989
4823576	Apparatus for manufacturing ring-shaped member from elongate workpiece An apparatus for manufacturing a ring-shaped member from an elongate workpiece comprises a measuring mechanism for measuring an elongate workpiece straightened from a coiled elongate workpiece to a specified length, a feeding mechanism for feeding the mea...	04/25/1989
4809532	Method of manufacturing split ring springs for snap fasteners A split ring spring for snap fasteners has a burr extending from each end of the ring spring in a direction parallel to the imaginary central axis of the ring spring. When a stud member is snapped with a socket member in which the split ring spring is inc...	03/07/1989
4806196	Bead crimping and handling system A bead former (14) has a gripping mechanism (90,92) for gripping a leading end (106) of a bead ribbon (12) at a position recessed in the surface (18) of the former (14) during the initial rotation of the former (14). The gripping mechanism (90,92) has a s...	02/21/1989
4759813	Process for forming and crimping a bead A bead former (14) has a gripping mechanism (90,92) for gripping a leading end (106) of a bead ribbon (12) at a position recessed in the surface (18) of the former (14) during the initial rotation of the former (14). The gripping mechanism (90,92) has a s...	07/26/1988
4621515	Method and apparatus for making circlips Circlip making apparatus comprises three forming tools 2, 3, 4 equiangularly spaced about a mandrel axis 1a. A row of integral circlip blanks 6 are fed to the mandrel 1 through guide means 5 and blanks are cut from the row by blade 7 one by one before bei...	11/11/1986
4597157	Wire bead forming apparatus A bead forming apparatus, comprising stationary and movable support members; a collapsible bead forming drum rotatable about an axis fixed with respect to the stationary support member; feed rollers mounted on the movable support member to drive the bead ...	07/01/1986
4496411	Bead jamming or crimping method A method for crimping tire bead rings in which an inner die member has grooves for holding the bead rings in the area of the bead splices and an upper die member engages the outer surface of the bead rings in that area. The die members are compressed with...	01/29/1985
4452660	Bead jamming or crimping apparatus A machine for crimping tire bead rings in which an inner die member has grooves for holding the bead rings in the area of the bead splices and an upper die member engages the outer surface of the bead rings in that area. The die members are compressed wit...	06/05/1984
4384467	Method of forming rings A method and apparatus for forming rings that is particularly suited for forming plow rings from elongated lengths of stock having irregular cross sectional shape. A length of stock (12) is positioned against a mandrel (20), the end of the stock being pre...	05/24/1983
4365492	Ring former and cutoff A ring former and cutoff utilizes a continuous ring former which causes the stock to assume the form of a helix having a number of turns. The leading end of the helix after forming a plurality of free turns passes through a drive roll set, through a stati...	12/28/1982
4335758	Apparatus for advancing and forming a wire This invention relates to an apparatus for advancing a strand of wire a specific and predetermined distance. The apparatus can be used in conjunction with a cutting device alone, or with a forming device to also produce articles of desired shapes. An addi...	06/22/1982
4305769	Method of manufacturing tire bead rings A method of manufacturing a tire bead ring of the package type by winding metal wires on a form of revolution, the radially inner face of the tire bead ring having a frusto-conical shape of half angle ଱ at the apex and of radius R with respect to th...	12/15/1981
4285084	Method and apparatus for making lock washers A method and apparatus for making split lock washers consists of an automated machine wherein the diameter and gap of a lock washer can be accurately controlled. The apparatus includes a drive mechanism for driving the cutter and a transmission unit drive...	08/25/1981
4219375	Making bead rings for vehicle tires A method and an apparatus employing a formed guide shoe assembly controls the placement of successive convolutions of elastomer-coated wire on a bead-winding drum. The guide shoe assembly is not rotatable but accommodates the softly coated wire slidably a...	08/26/1980
4184242	Beveled retaining ring and method for constructing the same A split beveled retaining ring and method for constructing the same is characterized by a beveled groove seating flange being formed by bending the radially inner or outer edge portion of a split ring body at an angle to the plane of the ring body. A grin...	01/22/1980
4166492	Method of producing an annular bead core assembly for a pneumatic tire A method of producing an annular bead core assembly for a pneumatic tire from a plurality of wires of substantially rectangular cross-section, wherein the wires are formed into a plurality of plies. The wires of each wire ply then are arcuately deformed i...	09/04/1979
4132106	Method for bending wire or strip material into round parts In each cycle of a sequence of repetitive cycles a longitudinal section of an elongated, continuous piece of material spaced from the free end of the piece is draped about an arcuate face of a mandrel by a bending tool moving about the axis of curvature o...	01/02/1979
4109361	Method and arrangement for the production of annular articles An elongated unhardened blank is passed between a first pair of rollers where it is conductively heated by supplying current to one of the rollers. Thereafter, the blank is further heated by induction and then passed between a second pair of rollers where...	08/29/1978
4051874	Spring loop key ring and method and apparatus for making same A key keeper is held in a belt loop within a small closed bend thereof. The keeper has opposed small and large half loops. Straight side rods connect the loops, being tangent to both. One side rod is split to place keys on the keeper. A trough or clip fix...	10/04/1977
4020878	Method and apparatus for making annular metallic blanks A method and apparatus for making annular metallic blanks for metallic rings having a desired inner diameter wherein an elongated metallic material having a predetermined cross-section is formed into a spiral shape having an inner diameter smaller than th...	05/03/1977
4003121	Method and arrangement for the production of annular articles An elongated unhardened blank is passed between a first pair of rollers where it is conductively heated by supplying current to one of the rollers. Thereafter, the blank is further heated by induction and then passed between a second pair of rollers where...	01/18/1977
3938235	Method for severing rings from a coil A helical coil comprising a plurality of turns of bar stock is mounted on an expanding mandrel which is operated by a hydraulic cylinder or the like to expand the internal circumference of the coil against the resilient resistance thereof. A severing devi...	02/17/1976

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Class 140/88 - Rings