US4693102A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Shot-peening method
Assignee: Metal Improvement Co LLC
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Filing: 1985-11-05
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Granted: 1987-09-15
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Expires: 2005-11-05
Abstract
Abstract A method for controlling the flow in a shot-peening apparatus, comprising an auger having an inlet supplied with granular media via a hopper, the auger preferably being driven by a stepping motor, for advancing the media fed into the inlet at a precisely controlled rate to a discharge conduit. The motor is controlled by a computer to cause a programmed amount of flow to discharge from the discharge conduit. A proximity sensor, preferably of the capacitive type, is provided in the discharge conduit to detect if the discharge is blocked. The motor and auger may be replaced by a vibrating feeder.
Inventors
- 👤 A. Andre Amy
- 👤 Jules Babineaux
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 00:34
CPC Classifications
B; B24; B24C; B24C7/00; B24C7/0092; B24C1/00; B24C1/10; B65; B65G; B65G43/00; B65G43/08; B65G47/00; B65G47/02; B65G47/16; B65G47/18; B65G47/19
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
201 words
A method of producing a series of essentially idential articles in shot-peening equipment having nozzles or wheels for subjecting the articles to shot-peening, comprising the steps of; (a) developing a set of critical shot-peening parameters yielding specified article properties; (b) rigidly controlling certain of said shot-peening parameters by using part holding fixtures, Almen strip fixtures, and nozzle fixtures; (c) continuously controlling shot media by segregating the media both by size and shape; (d) with a computer controlling, monitoring and documenting said certain critical shot-peening parameters; (e) with a computer also controlling said controlled shot-peening equipment such that said critical processing parameters stay within preselected maximum and minimum values; (f) shutting down the shot-peening equipment if the maximum or minimum values are exceeded; (g) keeping the equipment shut down unless all monitored parameters have been brought with the preselected maximum and minimum values; (h) documenting via computer print-out, time of any shut down, cause of any shut down, and successful completion of the process; and (i) documenting the monitored parameters throughout the process, start and successfully completion of process, the maximum and minimum values for each parameter monitored, movement of the nozzles, which nozzles are active, and identification of the articles shot-peened.
Claim 2
Independent Claim
201 words
A method of producing a series of essentially idential articles in shot-peening equipment having nozzles or wheels for subjecting the articles to shot-peening, comprising the steps of; (a) developing a set of critical shot-peening parameters yielding specified article properties; (b) rigidly controlling certain of said shot-peening parameters by using part holding fixtures, Almen strip fixtures, and nozzle fixtures; (c) continuously controlling shot media by segregating the media both by size and shape; (d) with a computer controlling, monitoring and documenting said certain critical shot-peening parameters; (e) with a computer also controlling said controlled shot-peening equipment such that said critical processing parameters stay within preselected maximum and minimum values; (f) shutting down the shot-peening equipment if the maximum or minimum values are exceeded; (g) keeping the equipment shut down unless all monitored parameters have been brought with the preselected maximum and minimum values; (h) documenting via computer print-out, time of any shut down, cause of any shut down, and successful completion of the process; and (i) documenting the monitored parameters throughout the process, start and successfully completion of process, the maximum and minimum values for each parameter monitored, movement of the nozzles, which nozzles are active, and identification of the articles shot-peened.
Claim 3
Dependent Claim
50 words
A method according to claim 1, wherein said shot-peening parameters are selected from the following: flow of shot, rotation of article, translation of article, rotation and translation of article, speed of wheel subjecting article to shot-peening, translation of nozzles or wheels, passing over or under the article subjected to shot-peening.
Claim 4
Dependent Claim
52 words
A method according to claim 1, wherein said shot-peening parameters are selected from the following: flow and pressure of air, rotation of article, translation of article, rotation and translation of article, speed of wheel subjecting article to shot-peening, translation of nozzles or wheels, passing over or under the article subjected to shot-peening.
References Cited (Backward Citations)
US3073022A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1990-09-14 | 1991-03-16 | 1991-09-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1994-09-14 | 1995-03-16 | 1995-09-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1998-09-14 | 1999-03-16 | 1999-09-15 | $7700.00 | Window Closed / Lapsed |