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| Number | Title | Issue Date |
| 7054711 | Unit for the production of track elements According to the invention, a unit (10) is proposed for the production of track elements (25), which comprises a plurality of clamping devices (14) arranged one after another in the longitudinal direction of the unit. Provided in the clamping de... | 05/30/2006 |
| 6804980 | Metal stock bender twister adaptor Adaptor and twister apparatus, which adapts an existing bender apparatus to also twist vertically oriented metal stock, is provided. Removing the alternate function's parts avoids interaction between them. The twister has an adjustable clamp which grips the supporti... | 10/19/2004 |
| 6651475 | Tube bending apparatus Apparatus and method for producing bends in tubes, including a bending die assembly having a fixed die section that is rigidly mounted to a support member and at least one a movable die section that is movable relative to the fixed section. When used to m... | 11/25/2003 |
| 6029494 | Spring producing device A spring producing device comprises a main body, a first axle, a second axle, a spindle and a motor. The first axle is arranged on the main body and has a plurality of bumps, the spindle has at least one bump, and the motor is connected to the second axle... | 02/29/2000 |
| 6023956 | Device for bending a hollow section with a hold down clamp An apparatus (1) serves to bend a hollow section (2) with which a spacer frame for insulating glass sheets is to be manufactured. For this purpose, the hollow section (2) can already be filled with drying agent during bending or, however, still be empty. ... | 02/15/2000 |
| 5653139 | Portable rebar bending device and method A portable pneumatic rebar bending device has a base portion, a pivoting portion, and a pneumatic cylinder connecting and operable to pivot the pivoting portion with respect to the base portion. The axis of pivot includes a radiused wheel having a shallow... | 08/05/1997 |
| 5626045 | Metal stock bender A hand operated bending apparatus uses a lever arm which acts through a compound lever to increase the applied force. A pin, which mates with a number of holes at various distances along the compound lever linkage, permits changing the lever ratio readily... | 05/06/1997 |
| 5373719 | Device for generating bent portions in a pipe, particularly for generating a pipe coil A device for generating curved pipe portions (38, 40) bent alternately in opposite senses in a continuously supplied linear pipe (18), particularly for generating a pipe coil, comprises a machine table provided with two bending rolls (12, 13) having rotat... | 12/20/1994 |
| 5349838 | Bending head with multiple tools for a machine for bending metal wires Apparatus for bending metal wires is disclosed including a cylindrical housing enclosing a rotatable cage which is mounted on a longitudinally extending arm pivotable about the axis of the wire itself, the rotatable cage being rotatable about a cage axis ... | 09/27/1994 |
| 5327769 | Apparatus for straightening rail car handhold safety appliances This invention is an apparatus for straightening handhold safety appliances located on the side of rail cars.... | 07/12/1994 |
| 5203192 | Portable, lightweight machine for bending reinforcing steel rods or the like A portable bending machine has a boxlike casing with an internal support structure fastened to its top plate only. A reinforcing steel rod is bent around a fulcrum roll by a bending roll revolving about the fulcrum axis, while an adjustable abutment on th... | 04/20/1993 |
| 5044188 | Bending device for small-diameter pipes The present invention relates to a bending device for small-diameter pipes of various shapes usable as an oil, air or fuel supply path to be employed in automobiles and other various kinds of machines and equipment. The bending device of the present invention ... | 09/03/1991 |
| 4909059 | Metal tubing bender A metal tubing bender forms arcs into metal tubing by engaging a swing-arm mounted roller against a clamped tubing section and rotating the roller through an arc necessary to place the desired degrees of bend into the tubing. The tubing is clamped against... | 03/20/1990 |
| 4890469 | Bending machine for bending bars, channels, sections and the like A bending machine comprises a support to which first and second spaced cooperating bending devices are displaceably mounted. Each of the bending devices have first and second spaced cooperating bending components and the components of the first and second... | 01/02/1990 |
| 4799373 | Bending machine A bending machine for bending wire, tubing, or other elongate material, comprising a support structure and a bending head which is mounted on the support structure and which is capable of bending such material in a given plane which is fixed relative to t... | 01/24/1989 |
| 4798073 | Bending machine for bending bars, channels, sections and the like A bending machine comprises a support to which first and second spaced cooperating bending devices are displaceably mounted. Each of the bending devices comprises first and second spaced cooperating bending components and the components of the first and s... | 01/17/1989 |
| 4719783 | Portable pipe bending machine A portable pipe-bending machine that makes uniform and consistent bends of varying degree curvature in pipes is disclosed. The pipe-bending machine has a stabilizing platform to resist counter-bending forces and interchangeable elements to accommodate pip... | 01/19/1988 |
| 4718265 | Bending apparatus for rod- or ribbon-shaped material The invention relates to a bending apparatus for bending a rod-shaped or ribbon-shaped material, comprising a bending station disposed in a work plane and including at least one bending core or pair of bending cores mounted for displacement perpendicular ... | 01/12/1988 |
| 4682488 | Apparatus for forming slit fin coils A slit fin heat exchanger is formed by wrapping slit fin tubing into a flat coil having two spaced rows of tubing. The flat coil is located on mandrels which are rotatable about spaced parallel axes with the mandrels and axes initially being in the same p... | 07/28/1987 |
| 4608849 | Bending apparatus Apparatus for bending a light gauge, profiled, metal panel to a curved shape, including an anvil mounted on a frame and having a part-annular surface, an arm mounted for pivotal movement about the center of curvature of the part-annular surface, a roller ... | 09/02/1986 |
| 4571974 | Bending machine for wire or strip material A wire or strip bending machine has bending tools (1,2), each of which can act as an active tool or mandrel, mounted on an arm (3) which is slidable in a slot (11) in a rotatable disc (10). The disc is rotatable via gearing (13,14) to rotate one of the to... | 02/25/1986 |
| 3949591 | Bender for die cutters and perforators for the printing industry A bender and shaper for die cutters and perforators for the printing industry. The die cutters and perforators are generally an inverted "T" shape with the center leg of the "T" constituting the knife or perforator. The bender grips the side flanges of th... | 04/13/1976 |
