US3897535A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process for fixturing a workpiece by quenching a liquid resin
Assignee: RTX Corp
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Filing: 1973-08-29
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Granted: 1975-07-29
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Expires: 1993-08-29
Abstract
Abstract A process for fixturing a workpiece includes disposing a liquid organic resin workholding material within a workholder around the workpiece and quenching the assembly at between 40*F and 73*F to solidify the workholding material. The cold quench within this particular temperature range gives improved holding strength and reduces shrinkage of the organic workholding material. In one embodiment ceramic stones are heated and disposed within the workholder to heat the workholder and the workpiece prior to pouring the workholding material into the workholder. The stones further increase the holding strength of the workholding material and reduce shrinkage even more.
Inventors
- 👤 Edward F Lapac
- 👤 Joseph F Miazga
- 👤 Irving M Mittleman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 06:21
CPC Classifications
B; B23; B23Q; B23Q3/00; B23Q3/02; B23Q3/06; B23Q3/08; B23Q3/086; G; G01; G01N; G01N1/00; G01N1/02; G01N1/04; G01N1/06; G01N1/28; G01N1/42
Claims Analysis
Total Claims: 12
Claim 1
Independent Claim
105 words
In the process of securing a workpiece in a workholder the steps of: positioning the workpiece within the workholder; heating the workpiece and workholder; heating to a liquid state a cold quenchable, organic resin, workholding material which has thermoplastic properties and exhibits a strength curve of the same general shape and temperature range as the curve shown in FIG. 2 of the specification; disposing said liquid workholding material within the workholder around the workpiece; and quenching simultaneously the workholder, workpiece and workholding material by contact with a quenching medium at a temperature of between 40*F and 73*F at least until the workholding material is solid.
Claim 2
Dependent Claim
105 words
In the process of securing a workpiece in a workholder the steps of: positioning the workpiece within the workholder; heating the workpiece and workholder; heating to a liquid state a cold quenchable, organic resin, workholding material which has thermoplastic properties and exhibits a strength curve of the same general shape and temperature range as the curve shown in FIG. 2 of the specification; disposing said liquid workholding material within the workholder around the workpiece; and quenching simultaneously the workholder, workpiece and workholding material by contact with a quenching medium at a temperature of between 40*F and 73*F at least until the workholding material is solid.
Claim 3
Dependent Claim
15 words
The process according to claim 1 wherein said quenching temperature is between 45*F and 70*F.
Claim 4
Dependent Claim
43 words
The process according to claim 1 wherein the step of heating the workpiece and workholder includes heating a special filler to at least greater than the melting point of the workholding material and disposing said heated filler within said workholder around said workpiece.
Claim 5
Dependent Claim
118 words
In the process of securing a workpiece in a workholder the steps of: positioning the workpiece within the workholder; disposing a special filler within said workholder around said workpiece; heating the workpiece, workholder and special filler; heating to a liquid state a cold quenchable, organic resin, workholding material which has thermoplastic properties and which exhibits a strength curve of the same general shape and temperature range as the curve shown in FIG. 2 of the specification; disposing said liquid workholding material within the workholder around the workpiece; and quenching simultaneously the workholder, workpiece and workholding material by contact with a quenching medium at a temperature of between 40*F and 73*F at least until the workholding material is solid.
Claim 6
Dependent Claim
118 words
In the process of securing a workpiece in a workholder the steps of: positioning the workpiece within the workholder; disposing a special filler within said workholder around said workpiece; heating the workpiece, workholder and special filler; heating to a liquid state a cold quenchable, organic resin, workholding material which has thermoplastic properties and which exhibits a strength curve of the same general shape and temperature range as the curve shown in FIG. 2 of the specification; disposing said liquid workholding material within the workholder around the workpiece; and quenching simultaneously the workholder, workpiece and workholding material by contact with a quenching medium at a temperature of between 40*F and 73*F at least until the workholding material is solid.
Claim 7
Dependent Claim
15 words
The process according to claim 4 wherein said quenching temperature is between 45*F and 70*F.
Claim 8
Dependent Claim
177 words
A PROCESS FOR SECURING A WORKPIECE IN A WORKHOLDER WHEREIN THE WORKPIECE IS HELD IN POSITION BY A SPECIAL FILLER MATRIX WHICH IS BOUND TOGETHER BY A COLD QUENCHABLE ORGANIC RESIN, INCLUDING THE STEPS OF: POSITIONING THE WORKPIECE WITHIN THE WORKHOLDER, HEATING THE SPECIAL FILLER TO A TEMPERATURE GREATER THAN THE MELTING POINT OF THE ORGANIC RESIN, DISPOSING THE SPECIAL FILLER WITHIN THE WORK HOLDER AROUND THE WORKPIECE, HEATING TO A LIQUID STATE A COLD QUENCHABLE, ORGANIC RESIN, WORKHOLDING MATERIAL WHICH HAS THERMOPLASTIC PROPERTIES AND EXHIBITS A STRENGTH CURVE OF THE SAME GENERAL SHAPE AND TEMPERATURE RANGE AS THE CURVE SHOWN IN FIG. 1 OF THE SPECIFICATION, DISPOSING SAID LIQUID ORGANIC RESIN WITHIN THE WORKHOLDER AROUND THE WORKPIECE SO AS TO FILL THE INTERSTICES IN THE SPECIAL FILLER, AND QUENCHING SIMULTANEOUSLY THE WORKHOLDER, WORKPIECE AND ORGANIC RESIN BY CONTACT WITH A QUENCHING MEDIUM AT A TEMPRATURE OF BETWEEN 40*F AND 73*F AT LEAST UNTIL THE RESIN SOLIDIFIES TO HOLD THE WORKPIECE WITHIN A SOLID MATRIX COMPRISING THE SPECIAL FILLER WHICH IS BOUND TOGETHER BY THE ORGANIC RESIN.
Claim 9
Dependent Claim
177 words
A PROCESS FOR SECURING A WORKPIECE IN A WORKHOLDER WHEREIN THE WORKPIECE IS HELD IN POSITION BY A SPECIAL FILLER MATRIX WHICH IS BOUND TOGETHER BY A COLD QUENCHABLE ORGANIC RESIN, INCLUDING THE STEPS OF: POSITIONING THE WORKPIECE WITHIN THE WORKHOLDER, HEATING THE SPECIAL FILLER TO A TEMPERATURE GREATER THAN THE MELTING POINT OF THE ORGANIC RESIN, DISPOSING THE SPECIAL FILLER WITHIN THE WORK HOLDER AROUND THE WORKPIECE, HEATING TO A LIQUID STATE A COLD QUENCHABLE, ORGANIC RESIN, WORKHOLDING MATERIAL WHICH HAS THERMOPLASTIC PROPERTIES AND EXHIBITS A STRENGTH CURVE OF THE SAME GENERAL SHAPE AND TEMPERATURE RANGE AS THE CURVE SHOWN IN FIG. 1 OF THE SPECIFICATION, DISPOSING SAID LIQUID ORGANIC RESIN WITHIN THE WORKHOLDER AROUND THE WORKPIECE SO AS TO FILL THE INTERSTICES IN THE SPECIAL FILLER, AND QUENCHING SIMULTANEOUSLY THE WORKHOLDER, WORKPIECE AND ORGANIC RESIN BY CONTACT WITH A QUENCHING MEDIUM AT A TEMPRATURE OF BETWEEN 40*F AND 73*F AT LEAST UNTIL THE RESIN SOLIDIFIES TO HOLD THE WORKPIECE WITHIN A SOLID MATRIX COMPRISING THE SPECIAL FILLER WHICH IS BOUND TOGETHER BY THE ORGANIC RESIN.
Claim 10
Dependent Claim
24 words
The process according to claim 6 wherein said special filler includes particles having a maximum dimension of between one eighth and two tenths inch.
Claim 11
Dependent Claim
11 words
The process according to claim 6 wherein said particles are symmetrical.
Claim 12
Dependent Claim
26 words
The process according to claim 7 wherein the step of cooling the workholder, workpiece and organic resin comprises quenching at a temperature between 45*F and 70*F.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1978-07-28 | 1979-01-27 | 1979-07-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1982-07-28 | 1983-01-27 | 1983-07-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1986-07-28 | 1987-01-27 | 1987-07-29 | $7700.00 | Window Closed / Lapsed |