Abstract: A system for automatically bending wire into arcuate segments of different selected configurations utilizing a wire bending roll displaceable selectively by a stepping motor which is controlled by a microprocessor to bend a length of wire conforming to data retrieved from a computer. The wire is selectively advanced to a shear assembly where it is severed to a specific length and advanced through feed rolls towards the bending roll. Detection of the advancing severed length of wire locks in a strobe gear and the microprocessor with the stepping motor to determine the position of the wire with respect to the bending roll and to incrementally displace the bending roll in a controlled manner along an arcuate path to produce the desired bend in the wire.

Abstract: An apparatus is disclosed for nesting and concurrently controlling the rotational alignment of nested spring elements. A mechanically programmable timing chain determines the arrangement of nested curvilinear spring elements and the number of nested spring elements within a storage configuration.

Abstract: A pair of die rolls of novel construction are disclosed which act upon a continuous wire having a preliminary zig zag formation in order to impact the bends in the wire and thus narrow the formation, preparatory to use of the wire as a ring binder. Each roll has a continuous spiral groove with a first section of progressively narrowing width which is substantially wider than the wire bend which it accommodates, and a second section of constant width. A knob or projection is formed on at least one side wall of the groove in each roll at the juncture of the first and second sections, which impacts the wire bend as it passes, giving it a set.

Abstract: The invention relates to an automatic control device for a bending machine for use in the production of loops of bar or wire material for concrete reinforcement. The device includes a preselector for preselecting the type of loop required and determines the sense of direction and amount of bending required in that loop-type. Additionally, a selector is provided for selecting the length of each side of the loop of the type selected by the loop-type preselector.

Abstract: The invention comprises an improved method of forming an animal-figure decoration, such as a swan or the like, from fabric. A support frame, in the form of a wire rod, receives enveloping annuli of ruches of fabric, in predetermined positionings. The ruche annuli are formed of fabric of common-length strips and both discrete and common widths. The widths of the strips -- from which the annuli are formed -- determine the positionings thereof on the wire rod, and result in the definition of an animal figure of optimum shape.

Abstract: A method for automatically forming wire frames which consists of the ordered steps of straightening continuously supplied wire stock, cutting the straightened wire stock into prescribed lengths, forming small ripples in portions of each section of the cut wire stock, ejecting and conveying the cut wire stock sections in a lateral direction, pooling the wire stock sections in successive order in a lateral direction, gathering together, removing and conveying a prescribed number of the pooled wire stock sections at given intervals, simultaneously bending a prescribed number of wire stock sections in the same plane as the ripples, removing and conveying the bent stock sections, pooling the conveyed wire stock sections in successive order in a lateral direction, separating the pooled wire stock sections into single sections spaced at equal intervals, intermittently feeding the separated wire stock sections into a press, pressing a three-dimensional bend into the fed wire stock sections and simultaneously ejecting

Abstract: A rod and wire bending machine including at least one bending unit substantially including a fork member, which guides the wire or rod to be bent, and a disengaged bending pin rotating coaxially about the fork member for the bending of the rod. To obtain the rod-forward/backwardfeed, the fork member lodges a roller, operating in couple with an opposed roller in such a way, that the side edges of the opposed extremities of the fork member project from the roller forming two projecting extremities to cause the rod to move forward and backward between the projecting extremities and its said roller and an opposed one, while the rod is laterally guided by the opposed extremities of the fork member, in order that the bending pin has the capacity to effect bendings about one or the other of the pendants constituted by the two projecting extremities of the fork member.

Abstract: A wire coiling machine having a pair of spring coiling assemblies which are disposed in coaxial relation and include rotatable heads mounted on coaxial shafts drawn by racks connected to a pair of piston and cylinder units for rotation at different or the same speeds in the same or opposite directions to form a pair of coaxial coils on a single length of wire, the coiling assemblies being axially movable in opposed directions by cam elements and return springs.

Abstract: A wire spring-manufacturing apparatus which comprises a wire feeder; a device for clamping a straight wire of prescribed length delivered from the wire feeder substantially at the center and intermittently rotating said wire about its axis; and a pair of wire-bending devices so disposed as to intermittently approach each other toward the wire-rotating device relative to the rotation of said wire, thereby successively bending both end portions of said wire to form spring legs.

Abstract: An apparatus for manufacturing corner springs which comprises a pair of spring leg-forming mechanisms for folding both ends of a wire several times to provide spring legs at said ends; a pair of heat-treating devices for heat-treating a wire having spring legs formed at both ends; and a pair of spring leg-bending mechanisms for bending the heat-treated spring legs.