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US3779848A Expired / Lapsed US ⏱️ 0.0 years remaining

Method of making container opening structure comprising flexible tape and pressure-rupturable capsules

Assignee: NCR Voyix Corp
•
Filing: 1971-03-15
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Granted: 1973-12-18
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Expires: 1991-03-15
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Abstract

Abstract This disclosure is directed to container opening structures comprising a container wall member, such as a closure, e.g., a lid, to which there is attached at least one flexible closure tearing means accessible from the exterior of the container and a plurality of pressure-rupturable capsules, each of which contains a volatilizable core material, e.g., perfume or other fragrance, located between the container wall or lid and the tearing means. Preferably, the tearing means is a flexible tape composed of a plurality of parallelly arranged monofilaments. The operation of the tearing means serves to rupture at least some of the capsules during opening of the container.

Inventors

  • 👤 T Maierson

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-31 21:55
CPC Classifications
B; B65; B65D; B65D77/00; B65D77/22; B65D77/30; B65D77/32; B65D2203/00; B65D2203/12; Y; Y10; Y10T; Y10T156/00; Y10T156/10; Y10T156/1052

Claims Analysis

Total Claims: 3
Claim 1
Independent Claim 56 words
A method of making container opening structures comprising adhering a plurality of flexible tape means in generally parallel yet spaced arrangement to one major surface of a paper substrate, adhering a multitude of pressure-rupturable capsules containing volatilizable core material on the opposite major surface of said substrate, and severing the substrate between said parallel tape means.
Claim 2
Dependent Claim 16 words
The method of claim 1 wherein the tape means is a plurality of parallelly arranged monofilaments.
Claim 3
Dependent Claim 16 words
The method of claim 2 wherein the tape means is a plurality of parallelly arranged monofilaments.

References Cited (Backward Citations)

US2335159A Cited
US2543181A Cited
US2907682A Cited
US2932582A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1976-12-17 1977-06-18 1977-12-18 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1980-12-17 1981-06-18 1981-12-18 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1984-12-17 1985-06-18 1985-12-18 $7700.00 Window Closed / Lapsed

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