Patent US3773248A successfully refreshed from Google Patents.
US3773248A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Controlled adhesion sterile package seal
Assignee: SW FOREST IND Inc
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Filing: 1971-07-30
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Granted: 1973-11-20
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Expires: 1991-07-30
Abstract
Abstract Controlled-adhesion seal for a sterile package utilizing herringbone half-scores and ink-printed adhesive areas bounded on all sides by unprinted adhesive areas, both to promote proper delamination of the paperboard package along the tear strip during opening and insure impermeability to bacteria while sealed.
Inventors
- 👤 H Cecil
- 👤 J Armentrout
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 09:31
CPC Classifications
B; B65; B65D; B65D5/00; B65D5/42; B65D5/54; B65D5/5445; Y; Y10; Y10S; Y10S229/00; Y10S229/924; Y10S229/926
Claims Analysis
Total Claims: 5
Claim 1
Independent Claim
171 words
In a bacteria-impermeable seal for an opening tear strip in a sterile material package folded from a sheet of paperboard such that one edge of said sheet overlaps the opposite edge of said sheet and is adhesively attached thereto to form a manufacture''s seam, and in which said tear strip is integral with said sheet and extends around the circumference of said package and wherein the overlying leading edge of said teAr strip is secured to the underlying trailing end of said tear strip in the area of said manufacture''s seam, the improvement comprising: a plurality of individually discrete ink printed areas provided on one of the interfacing surfaces of said underlying end and said overlying end of said tear strip such that the printed areas are discontinuous and the non-printed area is continuous; and a layer of adhesive applied between said interfacing surfaces an over said ink printed areas, whereby said overlying and underlying ends of said tear strip are provided with a weakened bacteria-impermeable seal with improved opening characteristics.
Claim 2
Dependent Claim
171 words
In a bacteria-impermeable seal for an opening tear strip in a sterile material package folded from a sheet of paperboard such that one edge of said sheet overlaps the opposite edge of said sheet and is adhesively attached thereto to form a manufacture''s seam, and in which said tear strip is integral with said sheet and extends around the circumference of said package and wherein the overlying leading edge of said teAr strip is secured to the underlying trailing end of said tear strip in the area of said manufacture''s seam, the improvement comprising: a plurality of individually discrete ink printed areas provided on one of the interfacing surfaces of said underlying end and said overlying end of said tear strip such that the printed areas are discontinuous and the non-printed area is continuous; and a layer of adhesive applied between said interfacing surfaces an over said ink printed areas, whereby said overlying and underlying ends of said tear strip are provided with a weakened bacteria-impermeable seal with improved opening characteristics.
Claim 3
Dependent Claim
35 words
The invention as claimed in claim 1 wherein: the one of said overlying and underlying ends of said tear strip is provided with a plurality of discrete discontinuous score lines on the interfacing surface thereof.
Claim 4
Dependent Claim
187 words
In a bacteria-impermeable seal for an opening tear strip in a sterile material package folded from a sheet of paperboard such that one edge of said sheet overlaps the opposite edge of said sheet and is adhesively attached thereto to form a manufacture''s seam, and in which said tear strip is integral with said sheet and extends around the circumference of said package and wherein the overlying leading end of said tear strip is secured to the underlying trailing end of said tear strip in the area of said manufacture''s seam, the improvement comprising: a plurality of individually discrete ink printed areas provided on the interfacing surface of said underlying end of said tear strip such that the printed areas are discontinuous and the non-printed area is continuous; a layer of adhesive applied between said interfacing surfaces and over said ink printed areas; and said underlying end of said tear strip is provided with a plurality of discrete discontinuous score lines on the interfacing surface thereof, whereby said overlying and underlying ends of said tear strip are provided with a weakened bacteria-impermeable seal with improved opening characteristics.
Claim 5
Dependent Claim
187 words
In a bacteria-impermeable seal for an opening tear strip in a sterile material package folded from a sheet of paperboard such that one edge of said sheet overlaps the opposite edge of said sheet and is adhesively attached thereto to form a manufacture''s seam, and in which said tear strip is integral with said sheet and extends around the circumference of said package and wherein the overlying leading end of said tear strip is secured to the underlying trailing end of said tear strip in the area of said manufacture''s seam, the improvement comprising: a plurality of individually discrete ink printed areas provided on the interfacing surface of said underlying end of said tear strip such that the printed areas are discontinuous and the non-printed area is continuous; a layer of adhesive applied between said interfacing surfaces and over said ink printed areas; and said underlying end of said tear strip is provided with a plurality of discrete discontinuous score lines on the interfacing surface thereof, whereby said overlying and underlying ends of said tear strip are provided with a weakened bacteria-impermeable seal with improved opening characteristics.
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) | 1976-11-19 | 1977-05-21 | 1977-11-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-11-19 | 1981-05-21 | 1981-11-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-11-19 | 1985-05-21 | 1985-11-20 | $7700.00 | Window Closed / Lapsed |