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8171765 Tube bending machine  
This invention is a manually operated tube bending machine with a power drive mechanism that is adjustably set to a desired bend speed. The bending machine includes a bending die, a counter die and...
7900495 Powered conduit bender  
A powered conduit bending tool comprises a portable drive housing including a handle and having a powered drive gear. A bracket is secured to the housing defining a pivot connection spaced from the...
7870773 Inserted wiper die for high-pressure tube-bending and method of using same  
The present invention is a wiper die assembly that combines the performance of a solid-body wiper die with the economy of a inserted wiper die for high-pressure rotary-draw tube-bending. The key...
7293444 Bending apparatus for rod-shaped and tubular workpieces  
A bending apparatus for rod-shaped and tubular workpieces, includes a rotatable bending mandrel with a bending groove is provided with a wrinkle smoothener, which immediately precedes the bending...
7254972 Moving mold mechanism of a pipe bending machine  
A pipe bending machine has a moving mold mechanism, which includes two mold seats positioned one above other, and pressing wheels on each mold seat to work with corresponding bending wheels of...
7251976 Apparatus and method for the noncircular bending of tubes  
A tube bending apparatus adapted for the noncircular bending of a tube includes a modified bend die, a modified wiper die, a translatable and pivotable element and an actuator. The bend die...
7213430 Tube bending machine and its right and/or left bending device  
A tube-bending machine including a bending arm that is provided with a jaw support that moves horizontally in a direction of a bending head, whereby said jaw support is integral with a clamping jaw...
7174760 Dual-directional pipe-bending machine  
A dual-directional pipe-bending machine bends a pipe in either direction and has a base, a transporting device and a pipe-bending assembly. The base has a bracket. The transporting device is...
7162905 Pipe bending pressure die with reversible exit block  
A pressure die having a base portion with an entrance block and an exit block attached thereto. The entrance block and exit block each have a groove adapted to receive the pipe. The curvilinear...
7143621 Guide support for a tube-bending machine  
A guide support for a tube bending machine comprising a base frame, a bending head, a bending arm, a bending roller, a locking jaw, sliding means for the displacement of the bending head in...
7082798 Pipe bending machine  
A pipe bending machine (1) includes a bending tool (3), a pipe feed unit (9) and a mandrel retractor (19). A pipe holder (8) of the pipe feed unit (9) and a mandrel bar support (24) of the mandrel...
7076982 Concentric bore bend die and clamp insert assembly  
A concentric bore bend die and clamp insert assembly including a bend die and a clamp insert positioned within a recess formed in the bend die in a tube clamping area of the bend die. The clamp...
7024903 Bending system with multilevel bending tool  
A bending system (1) on a bending machine for bending rod shaped and/or bar-shaped workpieces and especially pipes (4), incorporates at least one multilevel bending tool (3) with multiple bending...
7021102 Bending machine with bending tools on opposite sides of a tool platen  
A bending machine for the bending of rod-shaped and/or bar-shaped workpieces and especially of pipes incorporates a bending device (5) with bending tools (10, 11) that are provided on both sides of...
7017380 Bending assembly for bending machine  
A bending assembly on a bending machine for the bending of rod and/or bar-shaped workpieces (8) includes a bending tool (10) and a bending drive unit (11) with a swivel arm (21) and a bending-drive...
7010951 Feeding mechanism of an automatic pipe bending machine  
A feeding mechanism of a pipe bending machine is equipped with several auxiliary hydraulic cylinders in addition to an original power source for providing power to feed a pipe; the auxiliary...
6854311 Bending machine for tubing, bar and the like  
A bending machine for the bending of tube, rod and bar shaped workpieces (24, 24a) includes a machine base unit (2), a collet (6) for mounting a workpiece, and a tool assembly (15) with at least...
6655183 Lifting mechanism for a head member of a pipe bender  
A lifting mechanism for a head member of a pipe bender includes a connecting block and an oil cylinder. The connecting block is fixedly connected to the head member. The oil cylinder is...
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...
6434993 Bending machine for bending threadlike material such as tubes, rods profiles or metal wire  
A machine for bending threadlike material such as tubes, rods, profiles or metal wire comprises a machine bed, having parallel guides movably supporting a carriage for feeding, rotating and...
6345525 Tube bending machine, magazine device thereof, and method for loading  
Tube bending machine including an elongate fixed frame secured at one of its ends to a bending head and to a bending arm pivoting about the bending head, a magazine device on the bending arm, the...
6079246 Universal machine for bending pipes or section bars to both fixed and variable curvatures  
Machine for bending pipes or section bars comprising a work table on which two or more powered spindle noses appear, at least one of which is powered to rotate in a direction and at least another...
5784913 Pressure die assist boost system for tube bending machine  
A machine for cold bending a thick walled tube is provided which includes a rotatable bend die around which the tube is bent and a pressure die which engages an outer side wall of the tube...
5689988 CNC-controlled pipe bending machine  
The pipe bending machine comprises a bending template (15) for bending the pipe therearound. The unbent pipe portion is supported on a pipe supporting rail (20) mounted on a pipe supporting rail...
5548985 Rod bender for forming surgical implants in the operating room  
A bender for bending metal rod to form surgical implants in a sterile operating room environment. The bender being made of an autoclavable material having a hardness greater than the maximum...
5499522 Double-head pipe bending machine  
The pipe-bending machine comprises two bending heads (11,12) being configured so as to be mirror-inverted with respect to each other and projecting in cantilever-like manner from a machine frame...
5499521 Tube bender apparatus  
Apparatus intended for bending heavy through thin wall pipe and tubing includes a generally circular bending shoe mounted for rotation about a first axis and having a plurality of semi-circular...
5463888 Tube bending apparatus and method  
A heat exchanger is disclosed, which comprises:a plurality of tubes each having a U-shaped portion and arranged in a plurality of parallel bending planes, each bending plane containing a plurality...
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...
5345803 Adjustable tube bending method and apparatus  
Disclosed is an apparatus for producing smooth, continuous arcuate contour bends in tubes used, for example, in the manufacture of fuel manifolds for gas turbine engines. A flexible die cavity...
5337590 Method and apparatus for bending tubes using split bend die  
Method and apparatus for bending serpentine heat exchanger tubes using a split bend die having a relatively short upper die section with a straight back end. After the tube is bent in conventional...
5327758 Pipe bending machines  
Improvements in pipe bending machines, constructed in a general frame with a die holder shaft that has on its perimeter a flat face and several concave faces angularly out of phase, which produces...
5284041 Method for bending tubes using split die  
Method and apparatus for bending metal tubes such as for furnace heat exchangers. After the bend die is rotated 180° to make a bend, an upper section of the bend die is split from a lower section, ...
5284040 Tube bending apparatus with stop and abutment means to set bend angle  
Tube bending apparatus comprising a lower support carrying a mandrel having a bending groove providing a bend axis, and an upper support mounted on the lower support for rotation about the bend...
5263350 Multi-function pipe bending machine  
A multi-function pipe bending machine (1) comprising a base structure (2), a first slide (8) slidably engaged to the base structure (2) along a first traverse direction, a second slide (11)...
5226305 Articulated split roller assembly for tube bender  
Briefly, and in accordance with the foregoing, the present invention comprises a roller assembly for use with a bending apparatus for bending conduit and the like. The bending apparatus includes a...
5187963 Tube bending die  
A bending die for forming a 180° bend in a tube includes a center die and a shiftable block pivotally mounted to the center die grooves are defined on opposing sides of the center die and ...
5127248 Process and device for pipe bending  
A pipe bending die, in the shape of a cylinder, has a groove gouged out of its lateral surface and a cross section which is a semi-circle of a diameter equal to the diameter of the pipe to be bent....
5125252 Variable geometry tube bending dies  
An improved variable geometry tooling die is disclosed employing die segments 12 for use in die-press bending of materials. A forming die 10 is constructed of a plurality of segmented portions 12...
5056347 Hand-held bending tool for conduits and rods  
A hand-held bending tool for conduits, tubes, rods, and the like is provided. The bending tool includes a bending matrix and a sliding shoe that during a bending process are movable relative to one...
5042279 Bending machine  
There is disclosed a bending machine adapted to bend a pipe and other such workpiece in three-dimensional directions. The bending machine comprises a first actuator for vertically moving bend dies...
4926672 Pipe bender  
The invention comprises an improved pipe bender for accommodating multiple pipes of varying diameters and sidewall thicknesses and bending sections of them into an arcuate form without deforming or...
4843859 Pipe bender  
A pipe bender comprising a base block, a pipe feed mechanism mounted on the base block for feeding a pipe longitudinally thereof, and two pipe bending sections mounted on a common support frame...
4833907 Consolidated backshoe die for a tube bender machine  
An improved consolidated backshoe die is provided for use in a tube bender machine used for bending metal tubing of the type used, for example, in vehicle exhaust systems and the like. The machine...
4821549 Tube bending machine  
In a tube bending machine including a bending template having a groove receiving a tube portion to be bent and a clamping jaw cooperating with the bending template to bend the tube portion, the...
4727738 Bending apparatus  
A bending template assembly is attached to a main shaft mounted in an elongated bed and is provided with a plurality of bending templates put in layers in the axial direction of the main shaft. A...
4558583 Mobile pipe bending carriage  
A mobile pipe bending carriage, for storing and transporting bending equipment used in making radius bends in pipe, conduit, tubing and the like, having a mobile carriage structure with: (1)...
4495788 Multiple curvature bender  
A rotary draw bending machine employs a stack of bending dies 22 of different curvatures, forming part of a bend head 18 that is entirely mounted on the forward end of the machine bed 10 for...
4052878 Tube bending apparatus  
This invention relates to a novel tubing bender characterized by a horizontal bed atop which is mounted a template and a fixed block mounting a hollow tubular slide member for non-rotatable...
3949584 Bending apparatus having a roller support unit for E.M.T., conduit and thin wall tubing  
An electric driven portable conduit bender provided with a bending shoe which is rotatably mounted on a horizontal axis and including a roller support unit mounted on the bender frame and retained...
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