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Bimal K Chaterjee

age ~85

from Maplewood, NJ

Also known as:
  • Bimal Chaterjee
  • Brian Chaterjee
  • Bimal Chatterjee
  • Brian E

Bimal Chaterjee Phones & Addresses

  • Maplewood, NJ
  • Livingston, NJ
  • 16 Laplace Dr, Jackson, TN 38305 • (901)6689285 • (731)6689285
  • 116 Trace Dr, Jackson, TN 38305 • (731)6689285
  • 208 Trace Dr, Jackson, TN 38305
  • 7317 Olmsted Dr, Nashville, TN 37221 • (615)6623531

Emails

Us Patents

  • Manufacture Of Steel Components For Screw Gun Clutches

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  • US Patent:
    7047848, May 23, 2006
  • Filed:
    Feb 11, 2003
  • Appl. No.:
    10/361609
  • Inventors:
    Bimal Kumar Chaterjee - Jackson TN,
    Alan Phillips - Jackson TN,
    John Robert Kriaski - Jackson TN,
    Daniel Paxton Wall - Humboldt TN,
  • Assignee:
    Portar-Cable/Delta - Jackson TN
  • International Classification:
    B25B 23/157
    B23P 11/00
  • US Classification:
    81475, 2952511
  • Abstract:
    A process for manufacturing highly wear and fatigue resistant steel components for power tools includes melting and mixing together a readily available base steel and alloying elements. The molten steel is cast into near-net-shape in an investment casting process. This method is cost competitive with forming the same component from steel with fewer alloying elements. In particular, clutch plates for a drill/driver or screw gun can be formed in this manner from a steel containing relatively large amounts of nickel and chromium, such as SAE 9310 steel, or from a steel containing a relatively large total amount of molybdenum and tungsten, such as AISI M2 steel.
  • Material And Process Of Manufacture Of Steel Components For Screw Gun Clutches

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  • US Patent:
    20060185813, Aug 24, 2006
  • Filed:
    Apr 17, 2006
  • Appl. No.:
    11/404877
  • Inventors:
    Bimal Chaterjee - Jackson TN,
    Alan Phillips - Jackson TN,
    John Kriaski - Jackson TN,
    Daniel Wall - Humboldt TN,
  • International Classification:
    A01H 5/02
    F16D 23/00
    C22C 38/08
  • US Classification:
    164047000, 420112000, 192054100
  • Abstract:
    A process for manufacturing highly wear and fatigue resistant steel components for power tools includes melting and mixing together a readily available base steel and alloying elements. The molten steel is cast into near-net-shape in an investment casting process. This method is cost competitive with forming the same component from steel with fewer alloying elements. In particular, clutch plates for a drill/driver or screw gun can be formed in this manner from a steel containing relatively large amounts of nickel and chromium, such as SAE 9310 steel, or from a steel containing a relatively large total amount of molybdenum and tungsten, such as AISI M2 steel.
  • Process Of Manufacturing Power Tool Component

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  • US Patent:
    20090145568, Jun 11, 2009
  • Filed:
    Feb 9, 2009
  • Appl. No.:
    12/368095
  • Inventors:
    Bimal Kumar Chaterjee - Jackson TN,
    Alan Phillips - Jackson TN,
    John Robert Kriaski - Jackson TN,
    Daniel Paxton wall - Humboldt TN,
  • Assignee:
    Black & Decker Inc. - Newark DE
  • International Classification:
    B22D 27/00
  • US Classification:
    164 571
  • Abstract:
    A method of making a wear and fatigue resistant component of a power tool (e.g., a clutch) includes providing a quantity of base steel and a quantity of alloying elements to be added to the base steel to form a desired alloyed grade of steel. The base steel and alloying elements are combined and melted to produce a molten alloyed steel (e.g., SAE 9310 or AISI M2). The molten alloyed steel is cast using a near-net-shape investment casting process to form a component of a power tool. An edge of the component is pre-radiused. and the component is case hardened after the edge of the component has been pre-radiused. In one implementation, the component is a clutch that has a lifespan of at least twice a lifespan of a second clutch that has not been pre-radiused prior to case hardening.
  • Method Of Producing Parts Having Improved Wear, Fatigue And Corrosion Resistance From Medium Alloy, Low Carbon Steel And Parts Obtained Therefrom

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  • US Patent:
    57074607, Jan 13, 1998
  • Filed:
    Jul 11, 1995
  • Appl. No.:
    8/500533
  • Inventors:
    Bimal K. Chaterjee - Jackson TN
  • Assignee:
    Porter-Cable Corporation - Jackson TN
  • International Classification:
    C23C 832
    C23C 856
    C23C 876
  • US Classification:
    148218
  • Abstract:
    Improved corrosion, wear and fatigue resistance is provided for pieces formed of medium alloy, low carbon steel by subjecting the piece to a treatment process which includes a step of carburizing, followed by nitriding. The process is especially useful for producing durable and low-cost steel parts, for example for certain automotive and marine applications, pumps (especially positive displacement pumps), chemical or food processing equipment, power tools, and the like. The blade-carrying reciprocating shaft for a reciprocating power saw is a specific example.

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