Class 72/31.06 - Tube diameter resizing

Subclass of Class 72 - Metal deforming
Definition: Subject matter wherein the work comprises a hollow elongate
No. of patents: 19
Last issue date: 01/03/2012

Number	Title	Issue Date
8087277	Method for correcting metal tube and corrective press die The forming recesses of a lower die and an upper die are formed to have a semi-oval profile so as to provide a forming space almost oval in section with the dies closed. The parting line between the lower die and the upper die is deviated as much as h from the major...	01/03/2012
7333925	Manufacturing method and manufacturing apparatus of pipe, thickness deviation information derivation apparatus, and computer program A complex Fourier transform is performed on measured values of wall thickness at points in a cross section of a pipe in an axial direction, types of thickness deviation are classified, thickness deviation amount is calculated from the absolute value of the complex F...	02/19/2008
7305862	Crack tester for flared ends A crack test for a tubular structure includes a sensor ring disposed radially outward from a flare pin in a flaring press. The sensor ring is responsive to physical contact from a cracked flared end of a tube processed in the press. ...	12/11/2007
7164276	Method for determining the wall thickness of a metal tube A method for determining the wall thickness of a metal tube is described. This method has the following features: (a) preparation of a metal tube of a determined length; (b) arrangement of two clamp contacts on the metal tube with an exactly defined distance of sepa...	01/16/2007
7143626	Crimping jaw having energy efficient crimping dies A jaw (39) for crimping a generally cylindrical compression sleeve (34) in a compression coupling is disclosed in, which at least two support members (39, 41) are adapted to support at least two arcuately shaped dies (24) for movement tow...	12/05/2006
7093469	Manufacturing method and manufacturing apparatus of pipe, thickness deviation information derivation apparatus, and computer program A complex Fourier transform is performed on measured values of wall thickness at points in a cross section of a pipe in an axial direction, types of thickness deviation are classified, thickness deviation amount is calculated from the absolute value of the complex F...	08/22/2006
7065995	Expansion tool for expanding tube ends and pressing device comprising such an expansion tool The invention relates to an expansion tool for expanding tube ends. The expansion tool has an expansion mandrel and a counter-support, said expansion mandrel consisting of a tow-bar and an elastic rubber expansion element surrounding it. The counter-support supports...	06/27/2006
6945083	Method of and apparatus for determining the eccentricity of a hollow billet The eccentricity of a hollow billet is measured at the outlet of an inclined-roll rolling mill by launching an ultrasonic pulse into the billet from a laser of a measuring device and measuring the transit time of an echo pulse also utilizing a laser and an optical a...	09/20/2005
6923030	External activation mechanism for pressurized forming cavity A mechanical mechanism is disclosed for supplementing the action of a pressurized working gas in hot blow forming of a sheet material. Opposing complementary heated forming tools grip the sheet material and form a shaping surface on one side of the sheet and a gas p...	08/02/2005
6918278	Pipe preparation tool adaptable for different diameter pipes A tool for preparing pipes for coupling using mechanical couplings is disclosed. The tool has a movable roller pivotally attached to a body, a tapered roller rotatably attached to the body and a plurality of tool rollers rotatably mounted on a carriage slidable with...	07/19/2005
6589373	Selectively heat treated airbag canister and method for making same A selectively heat treated canister for use in a vehicle airbag deployment system is configured to contain combustion materials and to contain gases produced from the combustion thereof. The canister includes a tubular body having a length and a longitudi...	07/08/2003
5657656	Automatic positioning system for a hose assembly and method therefor An automatic positioning system that includes positioning means for positioning a hose assembly adjacent a crimping apparatus. Actuator means is in communication with the positioning means to cause the positioning means to move. Control means is in commun...	08/19/1997
5634365	Process allowing background noise to be reduced during eddy-current testing of metal tubes, and tubes produced using this process The process relates to the aptitude for detectability of defects using eddy-currents on metal tubes cold laminated using a pilger mill and relates more particularly to the possibility of reducing the background noise and increasing the ratio between a sta...	06/03/1997
4930326	Manual hose end crimper A manual crimping apparatus for attaching a ferrule to the end of a hose includes a pair of facing die carriers each having a pair of spaced carrier plates and a respective pair of roller dies coupled thereto and positioned therebetween. All of the carrie...	06/05/1990
4848121	Manual hose end crimper A manual crimping apparatus for attaching a ferrule to the end of a hose includes a pair of facing die carriers each having a pair of roller dies. The two die carriers may be moved toward and away from each other to establish the inter-die spacing between...	07/18/1989
4655064	Rotary crimping tool The problem of hose breakdown in the field is solved by a hand-held crimping tool according to the present invention. The crimping tool disclosed has a frame with two leg portions projecting out from the ends. A crimping die roller including two arcuate r...	04/07/1987
4308736	Tube expander A tube expander for expanding or flaring the ends of automobile exhaust pipes and the like includes a segmented expander die having an arbor slidably received within the expander die segments for expanding the die upon movement of the arbor in a first pre...	01/05/1982
4196607	Tube reduction apparatus with integral means for sensing wall thickness during a high speed tube drawing operation An improved drawing die apparatus is disclosed for reducing the wall thickness of a thin wall metal tube in cooperation with a floating pin or a fixed mandrel. At least three, and preferably four, wall thickness sensors are positioned in the die body in a...	04/08/1980
4107964	Device for crimping tubular elements There is disclosed a device for crimping couplings to the ends of hydraulic hoses in which a plurality of die means are located around an axis, camming means is provided and is arranged to cause the die means to move radially inwardly towards the axis whe...	08/22/1978

PatentStorm

Quotables

PatentStorm News

Class 72/31.06 - Tube diameter resizing