Patent US3183116A successfully refreshed from Google Patents.
US3183116A
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US
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Method of making perforated adhesive tapes
Assignee: Kendall Co
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Filing: 1962-10-16
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Granted: 1965-05-11
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Expires: 1982-10-16
Abstract
No abstract record available.
Inventors
- 👤 Charles H Schaar
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 07:18
CPC Classifications
A; A61; A61F; A61F13/00; A61F13/02; A61F13/0276; A61F13/0283; A61F13/0203; A61F13/0206; A61F13/0226; A61F13/0246; A61F13/0256; C; C09; C09J; C09J7/00; C09J7/20; C09J7/22; C09J7/26; C09J2301/00; C09J2301/10; C09J2301/18; Y; Y10; Y10T; Y10T156/00; Y10T156/10; Y10T156/1052; Y10T156/1059; Y10T428/00; Y10T428/14
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
137 words
A METHOD OF FORMING A COATING OF A PRESSURE-SENSITIVE ADHESIVE ON A TAPE BACKING HAVING OPENINGS THEREIN WITHOUT OBSTRUCTING SAID OPENINGS WITH AN ADHESIVE MEMBRANE BRIDGING SAID OPENINGS, COMPRISING THE STEPS OF: (A) COATING A SUPPORTING SURFACE WITH A LAYER OF A PRESSURE-SENSITIVE ADHESIVE, THE COHESIVE STRENGTH OF WHICH IS TEMPORARILY REDUCED TO THE EXTENT THAT THE ADHESIVE LAYER CAN BE EASILY SPLIT; (B) APPLYING SAID TAPE BACKING ON THE SURFACE OF SAID ADHESIVE LAYER UNDER PRESSURE INSUFFICIENT TO PRESS SAID BACKING INTO SAID LAYER, BUT SUFFICIENT TO MAINTAIN THE BACKING IN ADHESIVE CONTACT WITH THE SURFACE OF SAID ADHESIVE LAYER; AND (C) SEPARATING SAID BACKING FROM THE COHESIVELY WEAK ADHESIVE LAYER AT AN ANGLE THERETO TO TRANSFER A THIN COATING SPLIT FROM THE ADHESIVE LAYER TO THE PORTIONS OF THE BACKING IN CONTACT WITH THE ADHESIVE.
Claim 2
Independent Claim
137 words
A METHOD OF FORMING A COATING OF A PRESSURE-SENSITIVE ADHESIVE ON A TAPE BACKING HAVING OPENINGS THEREIN WITHOUT OBSTRUCTING SAID OPENINGS WITH AN ADHESIVE MEMBRANE BRIDGING SAID OPENINGS, COMPRISING THE STEPS OF: (A) COATING A SUPPORTING SURFACE WITH A LAYER OF A PRESSURE-SENSITIVE ADHESIVE, THE COHESIVE STRENGTH OF WHICH IS TEMPORARILY REDUCED TO THE EXTENT THAT THE ADHESIVE LAYER CAN BE EASILY SPLIT; (B) APPLYING SAID TAPE BACKING ON THE SURFACE OF SAID ADHESIVE LAYER UNDER PRESSURE INSUFFICIENT TO PRESS SAID BACKING INTO SAID LAYER, BUT SUFFICIENT TO MAINTAIN THE BACKING IN ADHESIVE CONTACT WITH THE SURFACE OF SAID ADHESIVE LAYER; AND (C) SEPARATING SAID BACKING FROM THE COHESIVELY WEAK ADHESIVE LAYER AT AN ANGLE THERETO TO TRANSFER A THIN COATING SPLIT FROM THE ADHESIVE LAYER TO THE PORTIONS OF THE BACKING IN CONTACT WITH THE ADHESIVE.
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-05-10 | 1968-11-09 | 1969-05-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-05-10 | 1972-11-09 | 1973-05-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-05-10 | 1976-11-09 | 1977-05-11 | $7700.00 | Window Closed / Lapsed |