US3214971A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Tack testing apparatus
Assignee: Kendall Co
•
Filing: 1962-10-30
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Granted: 1965-11-02
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Expires: 1982-10-30
Abstract
No abstract record available.
Inventors
- 👤 Jr Fred H Hammond
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 10:15
CPC Classifications
G; G01; G01N; G01N19/00; G01N19/04
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
185 words
A DEVICE FOR MEASURING ADHESIVE TACK VALUES COMPRISING A FRAME, A CARRIER, A FORCE GAUGE INCLUDING AN ATTACHED PROBE, AND AN APERTURED SELECTED WEIGHT, MEANS FOR INITIATING A CYCLE WHEREIN SAID CARRIER IS LOWERED AND AUTOMATICALLY RAISED TO ITS INITIAL POSITION AT ADJUSTABLY CONSTANT SPEEDS RELATIVE TO SAID FRAME AND TO SAID FORCE GAUGE FIXED TO SAID FRAME, SAID GAUGE BEING ACTUATED BY EXTENSION OF SAID PROBE, SAID PROBE BEING POSITIONED TO FLATLY CONTACT, DURING THE DESCENT OF SAID CARRIER, THE ADHESIVE SURFACE OF AN ADHESIVE TAPE COVERING THE DISTAL END OF THE APERTURE THROUGH SAID WEIGHT, SAID WEIGHT AND TAPE BEING SUPPORTED ON SAID CARRIER PRIOR TO SAID CONTACT BUT BEING FREELY SUPPORTED BY SAID PROBE AFTER SAID CONTACT WHILE SAID CARRIER CONTINUES TO LOWER, ADJUSTABLE MEANS CONTROLLING THE COMMENCEMENT TIME OF AUTOMATIC ASCENT OF SAID CARRIER AND THE TIME WHEN SAID CARRIER HAS RISEN SUFFICIENTLY TO AGAIN SUPPORT SAID WEIGHT, CONTINUED RISING OF SAID CARRIER CAUSING EXTENSION OF SAID PROBE UNTIL THE ADHESIVE BONDS BETWEEN SAID PROBE AND SAID ADHESIVE SURFACE ARE BROKEN, SAID GUAGE MEASURING THE FORCE EXERTED IN BREAKING SAID BONDS.
Claim 2
Independent Claim
185 words
A DEVICE FOR MEASURING ADHESIVE TACK VALUES COMPRISING A FRAME, A CARRIER, A FORCE GAUGE INCLUDING AN ATTACHED PROBE, AND AN APERTURED SELECTED WEIGHT, MEANS FOR INITIATING A CYCLE WHEREIN SAID CARRIER IS LOWERED AND AUTOMATICALLY RAISED TO ITS INITIAL POSITION AT ADJUSTABLY CONSTANT SPEEDS RELATIVE TO SAID FRAME AND TO SAID FORCE GAUGE FIXED TO SAID FRAME, SAID GAUGE BEING ACTUATED BY EXTENSION OF SAID PROBE, SAID PROBE BEING POSITIONED TO FLATLY CONTACT, DURING THE DESCENT OF SAID CARRIER, THE ADHESIVE SURFACE OF AN ADHESIVE TAPE COVERING THE DISTAL END OF THE APERTURE THROUGH SAID WEIGHT, SAID WEIGHT AND TAPE BEING SUPPORTED ON SAID CARRIER PRIOR TO SAID CONTACT BUT BEING FREELY SUPPORTED BY SAID PROBE AFTER SAID CONTACT WHILE SAID CARRIER CONTINUES TO LOWER, ADJUSTABLE MEANS CONTROLLING THE COMMENCEMENT TIME OF AUTOMATIC ASCENT OF SAID CARRIER AND THE TIME WHEN SAID CARRIER HAS RISEN SUFFICIENTLY TO AGAIN SUPPORT SAID WEIGHT, CONTINUED RISING OF SAID CARRIER CAUSING EXTENSION OF SAID PROBE UNTIL THE ADHESIVE BONDS BETWEEN SAID PROBE AND SAID ADHESIVE SURFACE ARE BROKEN, SAID GUAGE MEASURING THE FORCE EXERTED IN BREAKING SAID BONDS.
References Cited (Backward Citations)
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-11-01 | 1969-05-03 | 1969-11-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-11-01 | 1973-05-03 | 1973-11-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-11-01 | 1977-05-03 | 1977-11-02 | $7700.00 | Window Closed / Lapsed |