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Class 72/312 - With interrelated clamp closer and tool mover


Subclass of Class 72 - Metal deforming
Definition: Subject matter wherein means to move one or move of said
No. of patents: 83
Last issue date: 11/22/2011


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NumberTitleIssue Date
8061175Sheet-metal bending machine, preferentially hydro-powered machine, and a method of its operation
The invention deals with a sheet-metal bending machine containing a lower machine part and an upper machine part mounted on it in a movable way where on either of the upper and lower machine part there is a pair of working tools designed as a bending arm and a holdi...
11/22/2011
7370397Tool kit and method for repairing a damage vehicle body member with a hem flange
A method and kit for repairing vehicle door skins by reorienting vehicle hem flanges from a closed orientation to an open orientation to allow removal of a damaged door skin from a door frame and replacing with a new door skin with an open orientation hem flange tha...
05/13/2008
7363794Bearing structure and press molding apparatus having the structure
While a rotational die and a predetermined position of a lower mold in which the rotational die is provided can be set in a zero contact manner, operation of setting the rotational die in the predetermined position of the lower mold can be easily performed, and occu...
04/29/2008
7353682Pipe flaring tool
A pipe flaring apparatus for use in flaring the end of a pipe preferably comprises a housing, a three jaw clamping chuck (3) in the housing which clamps the pipe (11) as the chuck (3) is propelled along an inclined surface (10a) of...
04/08/2008
7318334Powered pipe flaring tool
The powered pipe cutter and the pipe flaring tool both have a piston slidably mounted in a cylinder. The cylinder has a top end closed by a top end plug. A crimped cartridge bore in the top end plug communicates with a gas expansion chamber. A bolt and firing pin as...
01/15/2008
7316147Apparatuses for crimping and loading of intraluminal medical devices
Crimping apparatuses for reducing the diameter of an intraluminal medical device from a first diameter to a second diameter prior to loading the medical device into a catheter delivery system and loading apparatuses for introducing the medical device into a catheter...
01/08/2008
7313942Forging machine for the upsetting of deformed reinforcement bars
Forging machine for the cold forging of deformed steel bars includes upsetting and clamping dies housed in the same casing. The dies bear a continuous cavity so as to enable forging of long products. ...
01/01/2008
7263757Electromagnetic trimming, flanging and hemming apparatus and method
Electromagnetic (EMF) trimming, flanging and hemming steps are performed at a single workstation in a combined fixture designed to form a hemmed panel assembly, such as a vehicle closure panel. Two or more formed sheets, outer and inner panels, are positioned togeth...
09/04/2007
7243518Hydraulic cut-off press
A hydraulic cut-off press includes a base, a body vertically movable along vertical tracks at the base, a plurality of raisers provided at the body in four corners, each raiser having a holder base, a raiser screw vertically mounted in the holder base and fixedly co...
07/17/2007
7237420Device for the plastic deformation of work pieces
The present invention relates to a device for the deformation of workpieces, in particular for the plastic shaping of pipe ends, with a shaping unit actuated by the pressure of a fluid and with a prestressing unit arranged on a common longitudinal axis and actuated ...
07/03/2007
7222416Edge bending apparatus
A first hemming mold unit (20) and a second hemming mold unit (30), are installed in a single pressing machine. The first hemming mold unit (20) performs partial bending of an edge (95) of a workpiece (93; 96). The workpiece (93...
05/29/2007
7207203Methods and apparatus for forming a workpiece
A method of forming a workpiece using an apparatus is provided. The apparatus includes a first stage including a die fixture, a die actuator coupled to the die fixture, and a holding member configured to cooperate with the die fixture to hold the workpiece. The meth...
04/24/2007
7204118Hemming tool die assembly
A hemming die tool assembly for use with an anvil supporting a workpiece to be hemmed. A mounting plate is pivotally secured about an axis relative to the anvil while a vertical slide is slidably attached to the mounting plate along a first direction. An elongated c...
04/17/2007
7178374Press forming apparatus for fuel cell metal separator
A press forming apparatus, for metal separators for fuel cells, has a pair of peripheral portion holding dies which hold a peripheral portion of a material and are movable toward and counter to each other; a pair of intermediate portion forming dies for forming a in...
02/20/2007
7140672Integrated front assembly
Front structure for a vehicle includes a unitary panel formed to define a vehicle cowl and a vehicle bulkhead. The vehicle cowl may form an air intake plenum. The unitary panel is configured to at least partially define a front compartment of the vehicle. An alterna...
11/28/2006
7124491Hemming apparatus and method using a horizontal motion for actuating the die sets
An apparatus for horizontally actuating hemming and stamping die sets includes a horizontal base support and a roller device horizontally mounted thereon. A linear guidance system is set in and a drive support is vertically attached to the base support. A drive mech...
10/24/2006
7124612Crimping blade profile
The invention relates to a crimping blade with a profile such that the angle of attack β of the sheet metal to be crimped remains constant during the entire crimping phase. In this way, the force applied to the sheet metal is always at the same angle in relation to...
10/24/2006
7043816Method of making a two-piece super-plastic formed lightweight aluminum door
A method of making a vehicle door assembly by assembling a super-plastic formed inner door panel with a super-plastic formed outer panel. A flanging and roll hemming tool are used to form a hem flange to secure the outer door panel to the inner door panel. A room te...
05/16/2006
7021114Stent crimper
An apparatus for applying an inward force to a medical device may include at least two independently operable sections. Each section may include a plurality of movable blades arranged to form an aperture or chamber whose size may be varied. Each blade may be pivotal...
04/04/2006
6993952Multipurpose horizontal press having a fixed workpiece-holder for a tubular workpiece to be drawn or tapered
A multipurpose horizontal press having a fixed workpiece-holder for a tubular workpiece to be drawn or tapered comprising a press body (1) surmounted by a worktable (2), having a superior surface (3) and an inferior surface (4), on the wo...
02/07/2006
6978651Roller cam
A roller cam with pairs of sliding surfaces and wear plates located in an upper plane and with pairs of laterally slanted sliding surfaces and pairs of laterally slanted guiding wear plates located in a lower plane. The guiding wear plates are longitudinally contain...
12/27/2005
6978535Pressing device for thin-film circuit and terminal
A pressing device for thin-film circuits and terminals includes the characteristics of a machine base provided with a bottom panel, and a cutting block and a pressing block capable of intermittent up-and-down displacement at an interior thereof; an inner modular bas...
12/27/2005
6968721Method of manufacturing blade retainer and manufacturing devices therefor
A method of manufacturing a turbine blade retainer using a material cutting device and a material bending device includes steps for suspending a bar stock material between a polyurethane shock absorber and a bore of a cutting jig support, moving the cutting punch do...
11/29/2005
6968722Plate processing device
A plate-processing device intended for bending and cutting of bending and bendable plate-like objects. A bending and cutting tool is arranged to be moved by actuators. At least two tube sectors, which are arranged within each other and move relative to each other, o...
11/29/2005
6959474Nest and hold station for the joining of sheet materials
A system and method for joining two articles together is disclosed. The nest and hold station of the present invention includes a positive alignment system which comprises two or more upper arms extending from the upper nest member and a like number of lower coopera...
11/01/2005
6928848Flanging processes with radial compression of the blank stretched surface
A method and tool for forming a hem flange. A larger radius bend is initially formed when a pre-hem flange is formed. A sharper radius bend is subsequently formed when the flange is formed. After the flange is formed, conventional hem forming methods and tools may b...
08/16/2005
6923036Hemming apparatus and method
In accordance with the present invention, an improved apparatus and method for prehemming and hemming is provided. More particularly, the improved apparatus and method is for folding an edge portion of a curved arcuate panel to create a hem in a single cycle of oper...
08/02/2005
6907763Method for hemming
A method for sharp, crisp hemming inner and outer aluminum sheet metal panels in which a flange is formed along an outer edge so that the flange extends from a bend line and lies in a plane generally perpendicular to the plane of the outer panel. This bend line, fur...
06/21/2005
6804981Flanging device for pre-flanging and flanging of components
A hemming or flanging device is provided for the prehemming and finishing hemming of components with a first component having an upright standing flange before hemming and a second component with a flat edge area. The device includes a folding bed performing the hem...
10/19/2004
6739169Method for hemming
A method for sharp, crisp hemming inner and outer aluminum sheet metal panels in which a flange is formed along an outer edge so that the flange extends from a bend line and lies in a plane generally perpendicular to the plane of the outer panel. This bend line, fur...
05/25/2004
6708548Device for forming an end area of a workpiece
The invention relates to a device for forming an end area of a workpiece (2), especially for cold press-forming an end area of a pipe, comprising two force transmitting elements (7, 9) which are guided in a common housing (3). The device is char...
03/23/2004
6705150Method of making a raised panel door section for a garage door
A raised panel door section (22, 54, 64) for an overhead garage door (20, 50, 60) includes a sheet metal layer (32, 56, 66) formed from sheet metal stock (74) that is embossed to produce a raised panel design by an automated method that s...
03/16/2004
6672121Flat pinch hemming of aluminum panels
A method is disclosed for forming a hem flange in an aluminum alloy sheet during the forming of the sheet into a panel that is intended to be attached to a second panel by hemming. The hem flange is formed by fluid pressure over a small radius tool portio...
01/06/2004
6644088Apparatus for flanging metal sheets
The present invention provides a flanging apparatus for metal sheets for use with metal sheets of the body structure in vehicle manufacturing, with a base frame, with a flanging bed movable up and down, and with flanging jacks movable into the work area o...
11/11/2003
6640601Electric hemming press
A hemming press that includes a crown and a base plate separated by four corner posts. A press ram is slidably mounted on the posts between the crown and base plate. A first die is mounted to a lower surface of the press ram and a second die is mounted to...
11/04/2003
6640599Tool for automatic roll folding
A folding tool for automatic roll folding comprises a first member (2) which is fixed to a manipulator, and a second member (3), which is rotatably connected to the first member (2). The second member (3) includes a first folding roller (4). A spring is d...
11/04/2003
6612146Hemming machine with movable die cartridges
A hemming machine having a stationary base and defining a work station. A lifting beam is vertically movably mounted to the base at the work station while a motor assembly moves the lifting beam between a raised and a lowered position. Two die cartridges,...
09/02/2003
6578401Hemming machine
A hemming machine is disclosed having a base, a plate mounted to the base and a nest adapted to support a workpiece to be hemmed which is vertically slidably mounted to the base above the plate. An inflatable bladder is sandwiched in between the plate and...
06/17/2003
6526797Negative-angle forming die
The present invention provides a negative-angle forming die comprising a lower die half having a supporting portion for placing a sheet metal work, and an upper die half to be lowered straightly downward onto the lower die half for forming the work, an in...
03/04/2003
6523386Negative-angle forming die
The present invention provides a negative-angle forming die comprising a lower die half and an upper die half. The lower die half has an intrusion forming portion, a rotary cam, a slide cam, and an automatic retractor. The work is placed on the lower die ...
02/25/2003
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