Class 29/447 - By temperature differential (e.g., shrink fit)

Subclass of Class 29 - Metal working
Definition: Process in which the tension or compression is effected
No. of patents: 617
Last issue date: 04/24/2012

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Number	Title	Issue Date
8161616	Method of manufacture for a plastic-capped panel fastener A captive panel fastener is manufactured by first overmolding a plastic cap around the head of a screw, the cap having a cylindrical plastic skirt extending downwardly beyond the base of the screw head and formed with a circular opening at the bottom. After a compre...	04/24/2012
8096037	Well screen fabrication Well screen fabrication. A method of fabricating a well screen includes the steps of: providing a filter portion having an inner dimension, and then increasing the inner dimension, the providing and increasing steps being performed prior to installing the well scree...	01/17/2012
8091203	High pressure tank and method thereof One exemplary embodiment of a high pressure tank and a method thereof includes providing a liner of the high pressure tank. A liner having at least one open end with a first inner diameter and a first outer diameter. The method also including providing a cap having ...	01/10/2012
8020273	High humidity crimping process A method of producing a stent-balloon assembly is disclosed which includes providing a stent having a polymeric component; exposing the stent to a relative humidity of 20% to 100%; and crimping the stent on a balloon of a catheter assembly. The polymeric component c...	09/20/2011
8015687	Method of inserting self-expandable stent in a sheath A method is disclosed comprising providing a self-expandable stent having a polymeric component. The stent is exposed to a relative humidity of 20% to 100% (RH) or a plasticizing agent is applied to the polymeric component. The diameter of the stent is reduced. The ...	09/13/2011
8011078	Method of producing stent-balloon assembly A method of producing a stent-balloon assembly is disclosed which includes providing a stent having a polymeric component; exposing the stent to a relative humidity of 20% to 100%; and crimping the stent on a balloon of a catheter assembly. The polymeric component c...	09/06/2011
7987576	Composite pipe A sleeved composite pipe or piling structure formed of an elongated polyethylene pipe or tube of high-density polyethylene (HDPE) or another polyethylene material installed over a substantially rigid and incompressible hollow metal pipe or solid wood core having an ...	08/02/2011
7966708	Method of crimping a polymeric stent A method of crimping a stent to a support element is disclosed, the method comprising: positioning a polymeric stent around a support element; heating the stent, wherein the heated stent is above ambient temperature; and allowing the heated stent to radially contrac...	06/28/2011
7918006	Method for joining ends of sections of pipe A method for making pipe joints on successive pipe sections introduced into an oil well as assembled into a pipeline in which the joints are substantially of the same dimensions as the pipe sections to allow for subsequent plastic expansion of the sections. In each ...	04/05/2011
7841060	Method for joining components A method for joining components comprises locating a region, such as an end region 24, of a shape memory alloy (SMA) material component 10 adjacent to a further component 12, and generating localized plastic deformation of the aforesaid region t...	11/30/2010
7818866	Method of reinforcing a plastic foam cup A reinforced plastic foam cup including a body which defines an open top end and a closed bottom end, wherein the top end has a greater diameter than the bottom end. The body includes a reinforced tapered side wall that extends from the bottom end to the top end. A ...	10/26/2010
7788783	Method of manufacturing walk-in tubs The present invention provides a method for manufacturing a walk-in bathtub. The method involves heating an acrylic sheet, wherein the outer perimeter of the sheet is heated to a higher temperature than the center of the sheet. The heated acrylic sheet is then place...	09/07/2010
7784165	Method of forming a panel constrained layer damper treatment A method of forming a panel constrained layer damper treatment from a laminate, having a panel and a visco-elastic layer attached thereto, by forming a panel constrained layer damper from the laminate to a predetermined shape is provided. Additionally, the method of...	08/31/2010
7774916	Shrink fitting method including deformation A new shrink fitting method including deformation is disclosed, in which a high bonding force can be obtained without accurate mechanical process such as forming an insertion body having an outer diameter greater than an inner diameter of an object for receiving the...	08/17/2010
7770278	Methods for creating assemblies and disassembling Systems and methods for creating assemblies are described. One method described comprises providing a first element at a first temperature, providing a second element at a second temperature lower than the first temperature, coupling the first and second elements to...	08/10/2010
7761968	Method of crimping a polymeric stent A method of crimping a stent to a support element is disclosed, the method comprising: positioning a polymeric stent around a support element; heating the stent, wherein the heated stent is above ambient temperature; and allowing the heated stent to radially contrac...	07/27/2010
7761969	Methods for making refractory crucibles Methods for making refractory crucibles capable of managing thermal stresses and suitable for melting highly reactive alloys, the method involving providing a crucible having at least a facecoat and a backing, heating at least one retaining ring, applying the at lea...	07/27/2010
7735207	Process for making a plastic-lined metallic pipe for conveying liquid or gas A process for making plastic-lined metallic pipes for conveying liquid or gas includes the steps of heating a metallic pipe evenly to a first temperature; cooling a plastic pipe evenly to a second temperature; inserting the plastic pipe into the metallic pipe to con...	06/15/2010
7725999	Method for positioning an eyelet in a feed-through assembly A feed-through subassembly includes a plurality of wires. The feed-through subassembly is positioned in a holding device such that the plurality of wires are pointed in an upward direction. A protective tube is placed over the plurality of wires. Heat is applied to ...	06/01/2010
7690097	Methods of assembling well screens In some embodiments, methods for securing a cylindrical screen jacket to a base pipe include heating the screen jacket to expand it so that its inner diameter becomes greater than the outer diameter of the base pipe, positioning the base pipe at least partially with...	04/06/2010
7673379	Method of producing a stent-balloon assembly A method of producing a stent-balloon assembly is disclosed which includes providing a stent having a polymeric component; exposing the stent to a relative humidity of 20% to 100%; and crimping the stent on a balloon of a catheter assembly. The polymeric component c...	03/09/2010
7617582	Method of manufacturing composite generator rotor shaft A method for manufacturing a rotor shaft is provided. A rod is formed from a metal matrix composite material, the rod having an outer diameter. The rod is heated to attain a stiffness thereof that is greater than about 300 GPa. A machinable sleeve is formed from mat...	11/17/2009
7607207	Method for positioning a tool A method for positioning a tool (24) on a tool chuck (20) employs a tool holding device (22, 50, 58), which includes a tool-accommodating area (32, 52, 66) for at least partly receiving the tool (24), a connecting area (26, 54 6...	10/27/2009
7578039	Dope relief method for wedge thread connections A method for making-up a wedge thread connection comprising a pin member and a box member includes applying a pipe dope to at least one of the pin member and the box member, wherein the pin member and the box member comprise corresponding wedge threads, reducing the...	08/25/2009
7430805	Method of making flexible connectors A flexible connector comprises a length of corrugated tubing, a polymeric sleeve aligned with the distal end of the length of corrugated tubing, and a length of mesh tubing extending the entire length of corrugated tubing and over the polymeric sleeve. The distal en...	10/07/2008
7409763	Jewelry bead and method of stringing same A jewelry article includes an elongated support and a multiplicity of beads strung along the support. At least one of the beads constitutes a locking bead consisting of a substantially closed hollow shell with a pair of aligned holes sized to slideably receive the s...	08/12/2008
7402739	Method for manufacturing a percussion instrument A method of manufacturing a percussion instrument has the steps of providing a first member into a liquid with the first member having a first diameter. The first member has a first end and a second end. The method also has the step of heating the liquid and stretch...	07/22/2008
7371036	Tool holding device and method for positioning a tool Disclosed is a tool holding device (22, 50, 58) for retaining a tool (24) on a tool chuck (20). Said tool holding device (22, 50, 58) comprises a tool-accommodating area (32, 52, 66) for at least partly receiving the tool (24	05/13/2008
7367763	Shrink fit tool holder with grooves A shrink fit tool holder includes a shank or body that includes a tool holder portion, a flange member, a tapered outer surface that generally corresponds to a tapered bore of a spindle, and a central bore or aperture for accommodating a cutting tool. The central bo...	05/06/2008
7363691	Method and apparatus for forming a mono-diameter wellbore casing A mono-diameter wellbore casing. The mono-diameter wellbore casing is formed by plastically deforming and radially expanding a first tubular member within a wellbore. A second tubular member is then plastically deformed and radially expanded in overlapping relation ...	04/29/2008
7357188	Mono-diameter wellbore casing A mono-diameter wellbore casing is formed by radially expanding a first tubular liner off of a mandrel into contact with a second tubular liner. The first and second tubular liners are positioned within the wellbore in an overlapping relationship. The overlapping po...	04/15/2008
7357607	Tool holder A tool holder is provided that is configured to deliver coolant to a work piece and/or a cutting tool. The tool holder includes a tool mounting aperture for receiving a shank of a cutting tool, and an axially extending central passage for receiving coolant deliver t...	04/15/2008
7318278	Method of manufacture of a heart valve support frame Methods for forming a support frame for flexible leaflet heart valves from a starting blank include converting a two-dimensional starting blank into the three-dimensional support frame. The material may be superelastic, such as NITINOL, and the method may include be...	01/15/2008
7310866	Method for manufacturing a percussion instrument A method of manufacturing a percussion instrument has the steps of providing a first member into a liquid with the first member having a first diameter. The first member has a first end and a second end. The method also has the step of heating the liquid and stretch...	12/25/2007
7308755	Apparatus for forming a mono-diameter wellbore casing A mono-diameter wellbore casing. The mono-diameter wellbore casing is formed by plastically deforming and radially expanding a first tubular member within a wellbore. A second tubular member is then plastically deformed and radially expanded in overlapping relation ...	12/18/2007
RE39940	Screen plates and methods of manufacture The screen cylinder includes a screening plate having contoured grooves along an inflow side and a backing cylinder having a plurality of openings therethrough and disposed on the outflow side of the screening cylinder. The contoured grooves are elongated in the axi...	12/18/2007
7302170	Heating device for smoke generator A heating device for a smoke generator includes at least one heating rod and a vaporization tube. The vaporization tube includes a longitudinal passageway. The vaporization tube coils around the heating rod and includes an end connected to an outlet of a pump of a s...	11/27/2007
7284310	Method of manufacturing a seal and restraining system A method and apparatus for restraining pipe against both internal and external forces at a pipe or fitting connection and to join and seal at least two pipes to form a pipeline is shown featuring an improved restraining and sealing mechanism. The restraining and sea...	10/23/2007
7284770	Thread protector for tubular members A pipe thread protector includes a case, a first seal member, and a second seal member. The case is attachable to an end of a pipe to protect a threaded region of the pipe. The case has a cylindrical or frustoconical portion having threads over at least a portion of...	10/23/2007
7286752	Device for heating a liquid for domestic appliance, domestic appliance fitted with said device A device for heating a liquid for a domestic appliance, comprising a main body (1) which is connected to a reservoir of liquid and associated with an additional element (3) covering a surface of the main body (1) in order to define a liquid circ...	10/23/2007

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Class 29/447 - By temperature differential (e.g., shrink fit)