US3252385A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of making an easy-open fibre container
Assignee: Primerica Inc
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Filing: 1963-08-21
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Granted: 1966-05-24
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Expires: 1983-08-21
Abstract
No abstract record available.
Inventors
- 👤 Balocca Alfred Edward
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 17:24
CPC Classifications
B; B65; B65D; B65D5/00; B65D5/42; B65D5/56; B65D5/563; B65D5/54; B65D5/5405; B31; B31B; B31B50/00; B31B50/74; B31B50/81; B31B50/812; B31B50/8125; Y; Y10; Y10T; Y10T156/00; Y10T156/10; Y10T156/1052; Y10T156/1062; Y10T156/1064
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
169 words
A METHOD FOR MANUFACTURING A LAMINATED FIBRE EASY-OPEN CONTAINER COMPRISING THE STEPS OF: FEEDING A FIBRE WEB WITH SUBSTANTIALLY PLANAR SURFACES IN A LONGITUDINAL DIRECTION; SCORING PAIRS OF OFFSET GROOVES TRANSVERSELY ACROSS ONE SURFACE OF SAID WEB AT SELECTED INTERVALS THEREALONG; APPLYING A PROTECTIVE COATING TO THE SCORED SURFACE OF SAID WEB; APPLYING AN ADHESIVE COATING TO THE UNSCORED SURFACE OF SAID WEB; FOLDING SAID WEB IN HALF LONGITUDINALLY ALONG ITS CENTER WHEREBY SAID ADHESIVE COATING CAUSES SAID FOLDED HALVES TO ADHERE TO ONE ANOTHER TO FORM A LAMINATED WEB; SEVERING SAID LAMINATED WEB TRANSVERSELY AT SPACED INTERVALS BETWEEN ADJACENT PAIRS OF SCORED GROOVES AND THEREBY FORMING A PLURALITY OF SEPARATE CONTAINER BODY BLANKS; AND FORMING EACH OF SAID BODY BLANKS INTO A TUBULAR CONTAINER CONFIGURATION WITH SAID SCORED GROOVES EXTENDING CIRCUMFERENTIALLY THEREAROUND AND WITH THE ENDS OF SAID BODY BLANK BEING OVERLAPPED AND ADHESIVELY ATTACHED TO FORM A CONTAINER SIDE SEAM, WHEREBY SAID CONTAINER CAN BE EASILY OPENED BY MANUALLY TEARING OUT THE PORTION BETWEEN SAID SCORED GROOVES.
Claim 2
Independent Claim
169 words
A METHOD FOR MANUFACTURING A LAMINATED FIBRE EASY-OPEN CONTAINER COMPRISING THE STEPS OF: FEEDING A FIBRE WEB WITH SUBSTANTIALLY PLANAR SURFACES IN A LONGITUDINAL DIRECTION; SCORING PAIRS OF OFFSET GROOVES TRANSVERSELY ACROSS ONE SURFACE OF SAID WEB AT SELECTED INTERVALS THEREALONG; APPLYING A PROTECTIVE COATING TO THE SCORED SURFACE OF SAID WEB; APPLYING AN ADHESIVE COATING TO THE UNSCORED SURFACE OF SAID WEB; FOLDING SAID WEB IN HALF LONGITUDINALLY ALONG ITS CENTER WHEREBY SAID ADHESIVE COATING CAUSES SAID FOLDED HALVES TO ADHERE TO ONE ANOTHER TO FORM A LAMINATED WEB; SEVERING SAID LAMINATED WEB TRANSVERSELY AT SPACED INTERVALS BETWEEN ADJACENT PAIRS OF SCORED GROOVES AND THEREBY FORMING A PLURALITY OF SEPARATE CONTAINER BODY BLANKS; AND FORMING EACH OF SAID BODY BLANKS INTO A TUBULAR CONTAINER CONFIGURATION WITH SAID SCORED GROOVES EXTENDING CIRCUMFERENTIALLY THEREAROUND AND WITH THE ENDS OF SAID BODY BLANK BEING OVERLAPPED AND ADHESIVELY ATTACHED TO FORM A CONTAINER SIDE SEAM, WHEREBY SAID CONTAINER CAN BE EASILY OPENED BY MANUALLY TEARING OUT THE PORTION BETWEEN SAID SCORED GROOVES.
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) | 1969-05-23 | 1969-11-22 | 1970-05-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-05-23 | 1973-11-22 | 1974-05-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-05-23 | 1977-11-22 | 1978-05-24 | $7700.00 | Window Closed / Lapsed |