Class 164/464 - Forming a hollow article

Subclass of Class 164 - Metal founding
Definition: Process wherein the cast product formed contains a central
No. of patents: 26
Last issue date: 12/13/2011

Number	Title	Issue Date
8074704	Method and apparatus for semi-continuous casting of hollow ingots and products resulting therefrom Methods and associated apparatus for semi-continuous casting of hollow ingots are described. In one embodiment a method for the semi-continuous casting of a metallic hollow ingot is provided. The method includes providing a mold that includes a mold center having an...	12/13/2011
6749792	Micro-needles and methods of manufacture and use thereof A micro-needle is provided which is particularly useful for the minimally invasive sampling of a biological fluid and/or the minimally invasive delivery of a drug or other formulation across the skin. The micro-needle has a structure having a base at a proximal end ...	06/15/2004
6203732	Method for manufacturing intraluminal device A generally tubular device (e.g., a stent or catheter) for placement in a lumen of a patient's body is made by forming a depressed pattern in an external surface of a mold. The depressed pattern corresponds to a desired shape of the generally tubular devi...	03/20/2001
6192971	Clamping device for a pouring table in a machine for the continuous vertical casting of cast iron tubes A sealing device for a casting table of a machine for the continuous vertical casting along a vertical extraction axis (X--X) of cast iron pipes (T) includes a die block (5) aligned with the vertical extraction axis and a device (3) for the supply of liqu...	02/27/2001
5977007	Erbia-bearing core A ceramic core that includes, prior to core sintering, erbia filler material alone or admixed with a second ceramic filler material, such as alumina, and a binder to provide a core that is relatively non-reactive with superalloys used in the manufacture o...	11/02/1999
5669435	Apparatus and method for removing investment material from an investment casting A two-stage investment removal apparatus for removing investment material from an investment casting includes first and second stage sub-assemblies operative for different impacting actions. The first stage sub-assembly includes spaced drive rollers for r...	09/23/1997
5232740	Method of manufacturing plated hollow blocks A method of manufacturing plated hollow metallic blocks for further processing into seamless tubes of the type in which a body is immersed one or more times into a melt includes: protecting the inner surfaces of a hollow body of plating material against t...	08/03/1993
5106412	Method for providing steel with lowered hydrogen level after ladle treatment A method is provided for obtaining steel with lowered hydrogen levels after ladle treatment. The method includes covering molten steel in the ladle with a particulate mixture consisting essentially of calcium aluminate and dolomitic limestone. The mixture...	04/21/1992
5052469	Method for continuous casting of a hollow metallic ingot and apparatus therefor In a continuous casting a hollow ingot by means of a forcedly cooled tubular mold and a core, gas is introduced around an outer peripheral surface of the core along longitudinal slits to form an annular gap surrounding an inner peripheral surface of hollo...	10/01/1991
4800949	Method and installation for the continuous manufacture of pipes from spheroidal graphite cast-iron having a controlled structure The invention concerns a method and apparatus for thermally treating cast-iron pipes formed in a continuous casting die. The pipe or tube undergoes tempering by passing through a vat which is located downstream from the continuous casting die. The vat con...	01/31/1989
4775000	Continuous casting of tubular shapes by incremental centrifugal material deposition An apparatus and process for the continuous casting of tubular shapes wherein molten metal from which the tubular shape is formed is centrifugally deposited adjacent to the outlet of a fluid-cooled mold by a nozzle assembly, with the metal being cooled an...	10/04/1988
4711695	Apparatus for and method of making crystalline bodies An improved apparatus and method is disclosed for use in a system for growing a hollow tubular body of crystalline material by growing the body from the end of a die member, whereby the hollow tubular body can be cut lengthwise along predetermined lines o...	12/08/1987
4690199	Apparatus for the rotary supply of molten cast-iron to an installation for the vertical continuous casting of a pipe from spheroidal graphite cast-iron Installation comprising a reservoir crucible 11, 12 for molten cast-iron F with step-by-step extraction of a pipe T produced from the crucible comprising a cooled die. To obtain a cast-iron pipe of uniform thickness over its entire circular periphery, des...	09/01/1987
4688621	Method and apparatus for casting rapidly solidified ingots A method and apparatus for casting rapidly solidified metal ingots wherein molten metal is centrifugally formed into molten droplets that are rapidly solidified under controlled conditions into metal particles which are cast against a rotating mold cavity...	08/25/1987
4647437	Apparatus for and method of making crystalline bodies An improved apparatus and method is disclosed for use in a system for growing a hollow tubular body of crystalline material by growing the body from the end of a die member, whereby the hollow tubular body can be cut lengthwise along predetermined lines o...	03/03/1987
4611651	Method and apparatus for continuous casting of metal pipe with integral end fitting The vertically ascending casting of a thin-walled metal pipe and integral end fitting from a bath of molten metal is implemented using a housing 12 and a core 14 to mold the end fitting or bell housing and a tubular draw tube 6 to mold the pipe shank. The...	09/16/1986
4573523	Method of and apparatus for continuous centrifugal casting A continuous centrifugal casting machine employs a rotating water cooled mould in which a tubular mould cavity is formed by a number of pallet conveyors, each having an upper run defining a part cylinder. The conveyors are driven so that the tubular mould...	03/04/1986
4531569	Process and apparatus for producing tubes of reactive metals To produce tubes of reactive metals, a melt (14) is removed from the annu gap (13) of a crucible (10). The temperature of the melt (14) is such as to ensure the formation of the solidus-liquidus zone (33) directly behind the annular gap (13), a planar so...	07/30/1985
4512384	Continuous spray casting The present invention is an improvement over, and an adaptation to continuous casting, of known processes in which a molten metal such as steel is atomized under non-oxydizing conditions and projected at high velocity against a suitable target. The distan...	04/23/1985
4430388	Method and apparatus for continuously casting a hollow metal blank, and the resulting blank A hollow blank, preferably of steel, for continuously casting by pouring molten metal into a continuous casting mold, withdrawing a shell containing liquid metal continuously from the lower end of the mold, directing the shell along a curved path, rotatin...	02/07/1984
4308908	Methods and apparatus for effecting quick mandrel changes in continuous casting operations In continuous casting of tubular products, the same die is used with mandrels of different sizes depending on the internal diameter of the tubular product to be cast. This avoids the necessity of dismanteling the casting "set-up" in order to remove a die ...	01/05/1982
4295516	Symmetrical horizontal continuous casting Both the position and shape of the solidification front in molten metal passing continuously through the horizontal solidification chamber of a mold body are precisely controlled in the invention by establishing a cooling probe insertion pattern in which ...	10/20/1981
4146079	Process and apparatus for continuous casting of hollow ingots A process for continuous casting of hollow ingots wherein the rate of heat removal from the surface of an ingot within a mold is changed gradually over the mold height from a given maximum value in the ingot skin formation zone to a given minimum value as...	03/27/1979
4073333	Method of continuous casting of ingots A method of continuous casting of an ingot by way of its recurrent upward drawing from a radial cooled mould into which molten metal is forced from a bottom of a supply vessel. Pressure is increased inside the ingot being formed in the period of a pause b...	02/14/1978
3995357	Integrally cast bearing, method and apparatus for making same The invention relates to a process for forming a part including a bore with a bearing integrally cast thereto, the thus formed part and apparatus for thus forming the part. The process includes hot machining a bore into a billet in a non-oxidizing atmosph...	12/07/1976
3965965	Method and apparatus for continuous casting of metal tubing Method and apparatus for continuously casting metal tubing, utilizing an oscillatable mold, which lends itself to the casting of tubing of relatively large internal diameter. Molten metal is poured directly into the mold having a chilled axial wall struct...	06/29/1976

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Class 164/464 - Forming a hollow article