US3328593A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for measuring the wall thickness of glass containers
Assignee: OI Glass Inc
•
Filing: 1963-07-29
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Granted: 1967-06-27
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Expires: 1983-07-29
Abstract
No abstract record available.
Inventors
- 👤 William E Johnson
- 👤 Hans R Rottmann
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 19:09
CPC Classifications
G; G01; G01N; G01N21/00; G01N21/84; G01N21/88; G01N21/90; G01N21/9072; B; B07; B07C; B07C5/00; B07C5/04; B07C5/12; B07C5/122; B07C5/126
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
209 words
APPARATUS FOR COMPARING THE WALL THICKNESS OF TRANSPARENT TEST CONTAINERS WITH THE WALL THICKNESS OF A STANDARD CONTAINER COMPRISING A FIRST INSPECTION HEAD, A SOURCE OF LIGHT, MEANS FOR DIRECTING A NARROW, FOCUSSED BEAM OF LIGHT FROM SAID HEAD AGAINST THE INNER WALL SURFACE OF SAID TEST CONTAINER, PHOTOELECTRIC MEANS POSITIONED OUTSIDE OF SAID CONTAINER IN THE PATH OF SAID BEAM PASSING THROUGH THE CONTAINER WALL, A SECOND INSPECTION HEAD, MEANS WITHIN SAID SECOND HEAD FOR DIRECTING A NARROW, FOCUSED BEAM OF LIGHT FROM SAID HEAD THROUGH THE INNER WALL OF SAID STANDARD CONTAINER, SAID MEANS FOR DIRECTING THE LIGHT IN SAID SECOND HEAD BEING ADAPTED TO IMPINGE SAID NARROWED BEAM ONTO SAID PHOTOELECTRIC MEANS, MEANS FOR ALTERNATELY INTERRUPTING THE TWO LIGHT PATHS WITH THE PERIOD OF TRANSITION PRESENTING LIGHT TO THE PHOTOELECTRIC MEANS WHICH IS MORE INTENSE THAN WHEN PASSING THROUGH THE STANDARD CONTAINER, MEANS RESPONSIVE TO THE INTERRUPTION OF SAID BEAMS FOR PROVIDING A TRIGGERING SIGNAL WHEN THE LIGHT FROM THE FIRST HEAD IS ON THE DETECTOR, MEANS CONNECTED TO SAID PHOTOELECTRIC MEANS FOR CONDITIONING THE SIGNALS RECEIVED THEREBY TO A PREDETERMINED REFERENCE LEVEL CORRESPONDING TO THE MOST POSITIVELY RECEIVED SIGNAL, MEANS CONNECTING THE TRIGGER SIGNAL OUTPUT TO THE CONDITIONING MEANS FOR PASSING SIGNALS FROM THE CONDI-
Claim 2
Dependent Claim
209 words
APPARATUS FOR COMPARING THE WALL THICKNESS OF TRANSPARENT TEST CONTAINERS WITH THE WALL THICKNESS OF A STANDARD CONTAINER COMPRISING A FIRST INSPECTION HEAD, A SOURCE OF LIGHT, MEANS FOR DIRECTING A NARROW, FOCUSSED BEAM OF LIGHT FROM SAID HEAD AGAINST THE INNER WALL SURFACE OF SAID TEST CONTAINER, PHOTOELECTRIC MEANS POSITIONED OUTSIDE OF SAID CONTAINER IN THE PATH OF SAID BEAM PASSING THROUGH THE CONTAINER WALL, A SECOND INSPECTION HEAD, MEANS WITHIN SAID SECOND HEAD FOR DIRECTING A NARROW, FOCUSED BEAM OF LIGHT FROM SAID HEAD THROUGH THE INNER WALL OF SAID STANDARD CONTAINER, SAID MEANS FOR DIRECTING THE LIGHT IN SAID SECOND HEAD BEING ADAPTED TO IMPINGE SAID NARROWED BEAM ONTO SAID PHOTOELECTRIC MEANS, MEANS FOR ALTERNATELY INTERRUPTING THE TWO LIGHT PATHS WITH THE PERIOD OF TRANSITION PRESENTING LIGHT TO THE PHOTOELECTRIC MEANS WHICH IS MORE INTENSE THAN WHEN PASSING THROUGH THE STANDARD CONTAINER, MEANS RESPONSIVE TO THE INTERRUPTION OF SAID BEAMS FOR PROVIDING A TRIGGERING SIGNAL WHEN THE LIGHT FROM THE FIRST HEAD IS ON THE DETECTOR, MEANS CONNECTED TO SAID PHOTOELECTRIC MEANS FOR CONDITIONING THE SIGNALS RECEIVED THEREBY TO A PREDETERMINED REFERENCE LEVEL CORRESPONDING TO THE MOST POSITIVELY RECEIVED SIGNAL, MEANS CONNECTING THE TRIGGER SIGNAL OUTPUT TO THE CONDITIONING MEANS FOR PASSING SIGNALS FROM THE CONDI-
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) | 1970-06-26 | 1970-12-26 | 1971-06-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-06-26 | 1974-12-26 | 1975-06-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-06-26 | 1978-12-26 | 1979-06-27 | $7700.00 | Window Closed / Lapsed |