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US5207340A Expired / Lapsed US ⏱️ 0.0 years remaining

Snap-on closure with discontinuous annular lip

Assignee: Individual
•
Filing: 1991-05-17
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Granted: 1993-05-04
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Expires: 2011-05-17
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Abstract

Abstract There is disclosed a snap-on closure for containers, such as milk and soft drink plastic bottles, which has upper and lower annular beads on the inside wall of a peripheral skirt with a tear band defined by a score line in the skirt, located between the annular beads. The score line extends towards, but not entirely to, the bottom edge of the skirt, terminating a short distance above the bottom edge of the skirt. This score line permits a tearing of the lower portion of the cap skirt from the closure, and for this purpose, the cap tears along the weakened score line, about the closure and then downwardly towards the bottom edge of the skirt so that the entire lower portion of the skirt is removed as a tear band, leaving only the reclosure on the bottle. Since the lower score line does not extend to the lower edge of the skirt, that lower edge is not weakened, but retains its full hoop strength, to resist splitting when the cap is applied to the bottle.

Inventors

  • 👤 Benjamin A. Cochrane

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-05 22:31
CPC Classifications
B; B65; B65D; B65D41/00; B65D41/32; B65D41/46; B65D41/48; B29; B29C; B29C45/00; B29C45/17; B29C45/40; B29C45/44; B29C45/4407; B29C43/00; B29C43/32; B29C43/50; B29C2043/5053; B29L; B29L2001/00; B29L2031/00; B29L2031/56; B29L2031/565; B65D2401/00; B65D2401/15; B65D2401/35

Claims Analysis

Total Claims: 14
Claim 1
Independent Claim 209 words
In a snap on closure to be received over the neck of a bottle, and having a body formed by a top disc and a downwardly dependent cylindrical peripheral skirt, at least one annular bead on the inner wall of said skirt and sealing means on the undersurface of said disc for engagement against the neck of said bottle received in said closure, the improvement comprising: a. an annular lip integral with said body, of a greater diameter than said cylindrical skirt and extending exteriorly about said skirt, and located beneath said top disc, intermediate the height of said skirt; b. at least one score line extending circumferentially about said skirt, beneath said annular lip, to provide a weakened tear line in said skirt to form a tear line permitting complete severing of the closure into a top reclosure portion and a lower portion; c. a tab having a leg portion extending from said skirt beneath said score line and projecting outwardly from said skirt, and an arcuate trailing portion having a diameter substantial the same as the diameter of said annular lip, and located immediately beneath said score line; and d. a single discontinuous area in said lip located only in the area immediately above said tear tab.
Claim 2
Dependent Claim 209 words
In a snap on closure to be received over the neck of a bottle, and having a body formed by a top disc and a downwardly dependent cylindrical peripheral skirt, at least one annular bead on the inner wall of said skirt and sealing means on the undersurface of said disc for engagement against the neck of said bottle received in said closure, the improvement comprising: a. an annular lip integral with said body, of a greater diameter than said cylindrical skirt and extending exteriorly about said skirt, and located beneath said top disc, intermediate the height of said skirt; b. at least one score line extending circumferentially about said skirt, beneath said annular lip, to provide a weakened tear line in said skirt to form a tear line permitting complete severing of the closure into a top reclosure portion and a lower portion; c. a tab having a leg portion extending from said skirt beneath said score line and projecting outwardly from said skirt, and an arcuate trailing portion having a diameter substantial the same as the diameter of said annular lip, and located immediately beneath said score line; and d. a single discontinuous area in said lip located only in the area immediately above said tear tab.
Claim 3
Dependent Claim 29 words
The snap on closure of claim 1 wherein the end of said trailing portion of said tear tab has a leg which extends into integral connection with said body.
Claim 4
Dependent Claim 22 words
The snap on closure of claim 1 wherein said arcuate trailing portion of said tear tab extends circumferentially parallel to said skirt.
Claim 5
Dependent Claim 20 words
The snap on closure of claim 1 including upper and lower, spaced-apart score lines which define a tear band therebetween.
Claim 6
Dependent Claim 25 words
The snap on closure of claim 4 wherein the trailing portion of said tab has a width greater than the width of said tear band.
Claim 7
Dependent Claim 55 words
The snap on closure of claim 1 including a second score line located beneath said first score line to form a tear band extending about said skirt, said second score line also extending downwardly towards the bottom edge of said skirt, and terminating above said bottom edge whereby said bottom edge is unrelieved in thickness.
Claim 8
Dependent Claim 21 words
The snap on closure of claim 1 including at least two annular beads on the inside wall of said peripheral skirt.
Claim 9
Dependent Claim 19 words
The closure of claim 1 wherein said sealing means comprise a sealing gasket on the undersurface of said disc.
Claim 10
Dependent Claim 40 words
The combination of the closure of claim 1 with a bottle having a neck with a neck finish having at least one annular groove about its outer wall which receives said annular bead on the inside wall of said skirt.
Claim 11
Dependent Claim 39 words
The combination of claim 9 wherein said bottle neck has two, spaced-apart annular grooves and wherein said closure has coacting and spaced-apart annular beads on he inside wall of its skirt aligned with and received in said annular grooves.
Claim 12
Dependent Claim 22 words
The combination of claim 9 wherein said sealing means of said closure comprises a sealing gasket on the undersurface of said disc.
Claim 13
Dependent Claim 14 words
The closure of claim 1 wherein said annular bead has a triangular cross section.
Claim 14
Dependent Claim 18 words
The closure of claim 1 wherein said annular bead is discontinuous about the inner wall of said skirt.

References Cited (Backward Citations)

US4032029A Cited
GB1520808A Cited
US4531650A Cited
US4632265A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1996-05-03 1996-11-02 1997-05-04 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 2000-05-03 2000-11-02 2001-05-04 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 2004-05-03 2004-11-02 2005-05-04 $7700.00 Window Closed / Lapsed

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