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7549312 |
Concentric machining device for a roller
A concentric machining device for a roller includes a movable upper base, a stationary lower base, two movable mold seats, two slide rods and four first hydraulic cylinders. Each of the mold seats...
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7086265 |
Method for controlling the material flow during the deep-drawings of sheet metal, and deep-drawing tool
A method for controlling the material flow during the deep-drawing of sheet metal involves compressing the edges of the sheet metal ( 1 ) between at least one upper stopper ( 13 ) and at least one...
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6915943 |
Tetherless internal line-up unit for pipeline welding
A line-up clamp unit is powered by a diesel engine which drives a hydraulic pump for operating hydraulic equipment in the unit. The unit includes a line-up clamp which has front shoes, rear shoes...
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6910358 |
Two temperature two stage forming
A method is disclosed for two-stage stretch forming of a sheet metal blank workpiece between a preform tool with a concave cavity and an opposing finish-form punch tool. Both tools are...
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6508096 |
Process for drawing and stretching sheet metal
A draw stretch process is provided for shaping a workpiece initially comprising an elongated metal sheet having a pair of spaced opposite ends. The process involves placing the metal sheet in a...
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6497131 |
Apparatus for stepwise bending of sheet metal pieces or similar material
An apparatus for stepwise bending of sheet metal strips into trapeze-shaped pieces comprises a vice set on each side of a press punch and opposed lower-side pressure cylinder arranged to grip a...
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6453714 |
Method of forming an eccentrically expanded pipe and eccentrically pipe-expanding device
In forming a fuel inlet pipe FP, (1) a portion of a base pipe is expanded by use of an expander punch to form a processed pipe comprising a neck portion, of which the diameter is the same as that...
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6363767 |
System and method for forming sheet metal using a reconfigurable tool
A system for forming sheet metal ( 118 ) is disclosed. The system comprises a support plate ( 102 ) that is coupled to a base ( 108 ) and has at least one side plate ( 104 ) adjacent thereto. A...
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6216508 |
Apparatus for dieless forming plate materials
The invention relates to an apparatus for the dieless forming of a sheet. The apparatus comprises a pressing mechanism and a sheet holding mechanism which are moved with respect to each other in X,...
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6053026 |
Block-set form die assembly
A block-set form die assembly (14) for press or stretch forming a product (12), such as a sheet metal product, is provided. In one embodiment, the block-set form die assembly (14) comprises a pin...
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6032504 |
Draw stamping die for stamping body panels for motor vehicles
A method and apparatus for forming an exterior body panel for a motor vehicle. The method comprises mounting a sheet of metal material in a die assembly, clamping first peripheral portion of the...
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6006576 |
Super stretch draw die and method
A die assembly for draw stamping sheet metal in a press. The die assembly has an upper die structure and a lower die structure, each constructed and arranged to me mounted on a press for reciprocal...
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5875665 |
Apparatus and method for bending a workpiece
An apparatus for bending a workpiece comprises a stretching device for stretching the workpiece. In the process for bending the workpiece, an inclination angle made by a direction a tension force...
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5860314 |
Stretch bend forming apparatus, method and product formed thereby
A method and apparatus for stretch bend forming of sheet stock and the product formed by either the apparatus or method. The method for stretch bend forming of sheet stock includes steps of (i)...
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5771730 |
Equipment for forming metal profiles
The equipment forms metal profiles on a stretch-bending machine on which a profile to be formed is held at its end by jaws connected to stretching rams and to a system for bending it against a...
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5718144 |
Dwell cam driver for stamping press
A dwell cam driver for advancing a horizontal slide into engagement with a workpiece to be formed in a stamping press. The driver has a pivoted anvil and the slide also has a pivoted anvil. When...
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5553518 |
Industrial tool for forming metal having a thermoplastic honeycomb core
A method of manufacturing a tool which comprises preparation of a thermoplastic honeycomb core. The honeycomb core is suspended within a mold. The method also comprises pouring a thermosetting...
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5526671 |
Method and apparatus for leveling a die on a die-forming machine
A leveling apparatus for leveling a die mounted on die posts on a die base. The die base has first and second die posts on which is mounted a die for adjustable vertical movement. A first motor is...
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5428981 |
Apparatus and method for forming of a wide side wall for a chill mold intended for a thin slab casting installation
A method of forming a wide side wall of a chill mold for a thin slab casting installation and which has a bulged widened region proceeding from the upper edge of the wall and terminating toward the...
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5351517 |
Method of, and a machine for, stretching and bending a profiled length of material
A method of stretching and bending hollow profiled lengths of material provides for the hollow profiled length to be bent symmetrically from both ends, starting from the ends of the length of...
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5315854 |
Tube tapering apparatus having a variable orifice die
An apparatus for tapering a tube having a frame, a tube receiving end connected to the frame, a variable-orifice die arranged so as to be movable relative to the frames, and an axial tension...
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5214951 |
Method and apparatus for controlled bending of strip stock
A method and apparatus for accomplishing controlled bending of elongate strip stock, such as window frame strip stock, for example. An elongate flexible die is utilized having a plurality of...
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5115661 |
Forming parts from ductile materials
Method of stretch forming a workpiece comprising placing the workpiece on a former, gripping the workpiece by at least one gripper, pulling the workpiece to a desired configuration over the former...
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5014537 |
Convertible lockbead-drawbead
A bead structure for die binders which is easily convertible into either a drawbead structure or a lockbead structure includes a bead on one die binder having a generally planar roughened outer...
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4827753 |
Extrusion former with three-way powered movement
An elongate member former is characterized by three-way powered forming movement and is composed of a main frame and a moveable die table mounted on the main frame and adapted to carry a die for...
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4815308 |
Method and apparatus for forming an elongate member into a predetermined shape
An extrusion former includes tension cylinders for holding an extrusion by its opposite ends under tension in jaws which are free to pivot in tangent relation as a centrally positioned die is urged...
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4803878 |
Method and apparatus for forming elongate tubular members into a predetermined shape while extrusion is gas pressurized and product
The apparatus forms an elongate tubular member into a predetermined shape while preventing crimping of the walls of the member and comprises jaws for holding the member at its opposing ends and a...
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4747292 |
Stretch forming apparatus
Jaws (20) and (23) on a stretch former (10) hold a metal sheet while the tension cylinders (18) and (19) stretch the metal sheet into its "yield state." In one embodiment, a bulldozer platen (33)...
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4712406 |
Apparatus for bending tubular workpieces
A method and apparatus for bending tubular workpieces whereby a tube length is placed in front of a template and selectively driven deforming shoes urge the tube into engagement with the same....
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4698995 |
Method for stretch forming drop hammer parts utilizing stretch wrap forming techniques
Jaws (20) and (23) on a stretch former (10) hold a metal sheet while the tension cylinders (18) and (19) stretch the metal sheet into its "yield state." In one embodiment, a bulldozer platen (33)...
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4131003 |
Semiautomatic control system for tube bending machine
An operator's console is used to produce, and control the storage of, bend data including: bend number, linear position, rotational position, bend angle and final bend number. The bend data is...
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4114417 |
Method and apparatus for making metal parts
A method and apparatus for making a housing member with a projecting bracket receiving adaptor from a sheet of flat material in which the material is formed in progressive dies by displacing...
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4085608 |
Return elbow and crossover bender
An elbow forming apparatus having a forming arbor with an exterior groove for accommodating a tube. A movable mandrel assembly, including a wiping member, is disposed opposite the arbor and has a...
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4020669 |
Machine for bending bar or rod material
The invention concerns a bending machine for bar or rod material such as reinforcement bars for reinforcing concrete. The machine includes a bending mandrel which is stationary during the bending...
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4011429 |
Hot stretch-wrap forming with resistance heating
Stretch-wrap forming of titanium parts or the like by resistance heating the part and a steel forming element which is cast into a fused silica die insert. Heating is accomplished by an electrical...
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3965714 |
Golf club bending machine for setting the loft and lie angles of the club head
A golf club bending machine for adjusting the club head with reference to the shaft, to vary the position of the head to change the loft and lie angles of the club face in accordance with the...
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3933020 |
Method for stretch wrapping of panels
A method of stretch wrapping metallic panels, particularly honeycomb structure sandwich panels, in which the panel is heated by passing an electrical current through it during the forming step. A...
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3881341 |
Bar straightener
A tool for straightening bars, particularly those of triangular cross section, including a positive clamping mechanism and a pressing tool movable in all directions transverse of the bar so that...
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3717020 |
PROCESS FOR STRAIGHTENING ELONGATE MEMBERS
The disclosure is directed to a straightening device for elongate elements such as shafts, rods, bars, tubes and the like and a process for straightening such members in which a member to be...
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3688539 |
APPARATUS FOR STRAIGHTENING METALLIC FISHING ROD MANDRELS AND METHOD OF USING SAME
An apparatus for use in selectively straightening any desired one of a number of metallic mandrels, which mandrels may vary in length, degree of taper, and diameter. Such mandrels are used in the...
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3597955 |
APPARATUS FOR STRETCH DRAWING SHEET STOCK UNDER CONTROLLED TENSION
An apparatus for stretch drawing sheet metal between complementary male and female dies arranged between two stretch heads which grip opposite margins of the sheet and tension it unidimensionally...
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3596492 |
METHOD FOR DRAW FORMING ELONGATED SHAPES
A preformed elongated workpiece which has a hollow interior and an open side is placed in a machine with both exterior sides of the workpiece restrained. An arcuate forming tool is made having a...
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3581535 |
METHOD AND APPARATUS FOR MAKING BLADES
Method and apparatus for making blades for use in tire molds by piercing, notching, bending or otherwise altering shape of a free end of strip material by successively positioning the free end and...
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3522722 |
WING BENDING MACHINE
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3475943 |
STRETCHING MACHINES
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3472055 |
BENDING MACHINES FOR BENDING METAL BARS OR SECTIONS
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3452573 |
STRETCH WRAPPING FIXTURE AND COMBINATION THEREOF WITH DRAWING DIES AND PRESS
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3452574 |
STRETCH-DRAW MULTI-PRESS MACHINE
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3440706 |
APPARATUS FOR BENDING LOCKING TABS AND THE LIKE
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3429169 |
APPARATUS FOR AND METHOD OF STRAIGHTENING BOW MEANS IN AN ELONGATED MEMBER
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