Patent US4390883A successfully refreshed from Google Patents.
US3730133A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for remote marking of articles of manufacture
Assignee: Wyeth Holdings LLC
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Filing: 1970-03-05
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Granted: 1973-05-01
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Expires: 1990-03-05
Abstract
Abstract An apparatus for remote marking of articles of manufacture are described. A gun capable of ejecting cohesive liquid pulses onto article surfaces is shown. A marking liquid is supplied to the gun at a predetermined low pressure and momentarily allowed to pass into an orifice of selected length and diameter to form a traveling slug of liquid. The traveling slug of liquid rapidly advances along the orifice and attains a momentum sufficient to carry it across a gap, in the form of a cohesive liquid pulse, onto an article to be marked. The liquid pulse is free from atomization and retains its cohesiveness until it impacts on the surface of the article where the liquid pulse is flattened without splatter into a sharply defined generally round mark. Photoluminescent components may be employed in the marking liquid to provide automatic detection capability of the marked articles. Rapid successive firing of the gun enables the generation of patterns of marks for article serial number identification and the like.
Inventors
- 👤 S Cordiano
- 👤 P Halpin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 17:45
CPC Classifications
B; B65; B65B; B65B61/00; B65B61/26; B05; B05B; B05B1/00; B05B1/30; B05B1/3033; B05B1/304; B05B1/3046; B05B1/3053; B05B12/00; B05B12/08; B05B12/12; B05B12/122; B05B12/16; B05B13/00; B05B13/02; G; G06; G06K; G06K1/00; G06K1/12; G06K1/121; G06K1/123
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
333 words
A system for automatic remote marking of articles with machine detectable sharply defined marks comprising means for moving articles to be marked past a marking station, means for detecting the presence of an article at the marking station and producing an article signal representative thereof, a liquid pulse producing gun and a supply of marking liquid operatively coupled to the gun, said liquid being supplied to the gun under substantially continuous, uniform pressure, said pressure being within a predetermined low pressure range selected commensurate with liquid viscosity to eject a cohesive liquid pulse from the gun, said liquid pulsing gun having a liquid pulse ejecting orifice selectively sized to enhance the cohesiveness of the liquid pulse and a retractable valve seated to normally close the orifice, with said gun orifice poised to eject a cohesive pulse of liquid substantially horizontally onto a side of an article moving past the station with the spacing between orifice and the article sufficiently close to preserve the cohesiveness of the ejecting liquid pulse until its deposit on the sensed article, means responsive to the article signal for retracting the valve from the orifice for a predetermined momentary time and a preselected distance from its seat on the orifice to enable a cohesive liquid pulse to be ejected from the gun with a momentum sufficient to carry the pulse onto the side of the article for marking thereof, wherein said means for retracting the valve further comprises means actuated by the article signal for producing a predetermined number of electrical pulses cumulatively representative of a desired pattern of marks to be deposited on the sensed article and applying said electrical pulses to the gun to correspondingly retract the valve for article marking, and further including a counter coupled to the article signal for count advancement and with said counter coupled to the electrical pulse producing means to control the number of valve retractions in correspondence with the advanced count for individual identification of each of said moving articles.
Claim 2
Independent Claim
333 words
A system for automatic remote marking of articles with machine detectable sharply defined marks comprising means for moving articles to be marked past a marking station, means for detecting the presence of an article at the marking station and producing an article signal representative thereof, a liquid pulse producing gun and a supply of marking liquid operatively coupled to the gun, said liquid being supplied to the gun under substantially continuous, uniform pressure, said pressure being within a predetermined low pressure range selected commensurate with liquid viscosity to eject a cohesive liquid pulse from the gun, said liquid pulsing gun having a liquid pulse ejecting orifice selectively sized to enhance the cohesiveness of the liquid pulse and a retractable valve seated to normally close the orifice, with said gun orifice poised to eject a cohesive pulse of liquid substantially horizontally onto a side of an article moving past the station with the spacing between orifice and the article sufficiently close to preserve the cohesiveness of the ejecting liquid pulse until its deposit on the sensed article, means responsive to the article signal for retracting the valve from the orifice for a predetermined momentary time and a preselected distance from its seat on the orifice to enable a cohesive liquid pulse to be ejected from the gun with a momentum sufficient to carry the pulse onto the side of the article for marking thereof, wherein said means for retracting the valve further comprises means actuated by the article signal for producing a predetermined number of electrical pulses cumulatively representative of a desired pattern of marks to be deposited on the sensed article and applying said electrical pulses to the gun to correspondingly retract the valve for article marking, and further including a counter coupled to the article signal for count advancement and with said counter coupled to the electrical pulse producing means to control the number of valve retractions in correspondence with the advanced count for individual identification of each of said moving articles.
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) | 1976-04-30 | 1976-10-30 | 1977-05-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-04-30 | 1980-10-30 | 1981-05-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-04-30 | 1984-10-30 | 1985-05-01 | $7700.00 | Window Closed / Lapsed |