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US3921616A Expired / Lapsed US ⏱️ 0.0 years remaining

Process for truing a diamond wheel utilizing a molybdenum tool

Assignee: Individual
•
Filing: 1974-03-18
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Granted: 1975-11-25
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Expires: 1994-03-18
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Abstract

Abstract A process for truing a resin bonded, diamond grinding wheel utilizing a molybdenum tool as the truing or dressing tool. The molybdenum tool is held in frictional contact with the peripheral work surface of the diamond grinding wheel as it rotates on a spindle, with the molybdenum tool either being stationary, or movable through a predetermined path to form a work surface of particular shape on the periphery of the diamond grinding wheel.

Inventors

  • 👤 Istvan T Kish

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-09 05:59
CPC Classifications
B; B24; B24B; B24B53/00

Claims Analysis

Total Claims: 14
Claim 1
Independent Claim 52 words
A PROCESS FOR TRUING A RESIN BONDED, DIAMOND GRINDING WHEEL COMPRISING: ROTATING A RESIN BONDED, DIAMOND GRINDING WHEEL ABOUT A ROTATIONAL AXIS EXTENDING SUBSTANTIALLY NORMAL TO THE PLANE OF THE WHEEL; AND SIMULTANEOUSLY HOLDING A MOLYBDENUM TOOL IN FRICTIONAL CONTACT WITH THE PERIPHERAL WORK SURFACE OF SAID GRINDING WHEEL WHILE IT ROTATES.
Claim 2
Dependent Claim 52 words
A PROCESS FOR TRUING A RESIN BONDED, DIAMOND GRINDING WHEEL COMPRISING: ROTATING A RESIN BONDED, DIAMOND GRINDING WHEEL ABOUT A ROTATIONAL AXIS EXTENDING SUBSTANTIALLY NORMAL TO THE PLANE OF THE WHEEL; AND SIMULTANEOUSLY HOLDING A MOLYBDENUM TOOL IN FRICTIONAL CONTACT WITH THE PERIPHERAL WORK SURFACE OF SAID GRINDING WHEEL WHILE IT ROTATES.
Claim 3
Dependent Claim 25 words
A diamond grinding wheel truing process as defined in claim 1 wherein: said molybdenum tool is commercial quality molybdenum of at least 95 percent purity.
Claim 4
Dependent Claim 19 words
A diamond grinding wheel truing process as defined in claim 1 wherein: said molybdenum tool is cold rolled molybdenum.
Claim 5
Dependent Claim 120 words
A diamond grinding wheel truing process as defined in claim 1 wherein: said diamond grinding wheel is mounted on its normal work spindle of a grinding machine during said truing operation, with said molybdenum tool being moved into frictional contact with the peripheral work surface of said grinding wheel as it rotates on its work spindle; and moving said molybdenum tool back and forth through an arcuate path over the circumferential, peripheral edge surface of said grinding wheel transversely of said edge surface in a plane angularly oriented with respect to the plane of said grinding wheel as said grinding wheel rotates on said work spindle, thereby forming an arcuate peripheral work surface around the circumference of said grinding wheel.
Claim 6
Dependent Claim 58 words
A diamond grinding wheel truing process as defined in claim 4 wherein: said molybdenum tool is in the form of a bar having a tip held in contact with the peripheral edge surface of said grinding wheel as said bar is moved back and forth through said arcuate path with said grinding wheel rotating on its work spindle.
Claim 7
Dependent Claim 62 words
A process for truing a resin bonded, diamond grinding wheel comprising: rotating a resin bonded, diamond grinding wheel with a work spindle of a grinding machine on which said diamond grinding wheel is normally mounted for grinding operations; and simultaneously holding a molybdenum dressing tool in frictional engagement with the circumferential, peripheral work surface of the grinding wheel while it is rotating.
Claim 8
Dependent Claim 62 words
A process for truing a resin bonded, diamond grinding wheel comprising: rotating a resin bonded, diamond grinding wheel with a work spindle of a grinding machine on which said diamond grinding wheel is normally mounted for grinding operations; and simultaneously holding a molybdenum dressing tool in frictional engagement with the circumferential, peripheral work surface of the grinding wheel while it is rotating.
Claim 9
Dependent Claim 34 words
A diamond grinding wheel truing process as defined in claim 6 wherein: said diamond grinding wheel is rotated at a speed of between 600 and 700 surface feet per minute during said truing process.
Claim 10
Dependent Claim 56 words
A diamond grinding wheel truing process as defined in claim 6 wherein: said molybdenum tool is in the form of a cylindrical member which is rotated about its longitudinal axis during said truing process with its cylindrical peripheral surface in tangential line contact with the circular peripheral work surface of said grinding wheel as it rotates.
Claim 11
Dependent Claim 44 words
A diamond grinding wheel truing process as defined in claim 8 wherein: said cylindrical, molybdenum tool is mounted for rotational movement on a spindle having its longitudinal, rotational axis disposed substantially at right angles to the rotational axis of said grinding wheel work spindle.
Claim 12
Dependent Claim 75 words
A diamond grinding wheel truing process as defined in claim 6 wherein: said molybdenum tool is moved back and forth through an arcuate path over the circular, peripheral surface of said grinding wheel transversely of said surface in a plane angularly oriented with respect to the plane of said grinding wheel as said grinding wheel rotates on said work spindle, thereby forming an arcuate, peripheral work surface on the circular periphery of said grinding wheel.
Claim 13
Dependent Claim 49 words
A diamond grinding wheel truing process as defined in claim 9 wherein: said cylindrical, molybdenum tool is moved back and forth in a traversing stroke across the entire peripheral width of the grinding wheel in a direction parallel to the rotational axis of the grinding wheel as it rotates.
Claim 14
Dependent Claim 34 words
A diamond grinding wheel truing process as defined in claim 6 wherein: said diamond grinding wheel is rotated at a speed of between 5000 and 5500 surface feet per minute during said truing process.

References Cited (Backward Citations)

US1590386A Cited
US3078835A Cited
US3424566A Cited
US3528788A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1978-11-24 1979-05-26 1979-11-25 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1982-11-24 1983-05-26 1983-11-25 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1986-11-24 1987-05-26 1987-11-25 $7700.00 Window Closed / Lapsed

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