US4600131A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Pourout fitment/closure
Assignee: Captive Plastics LLC
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Filing: 1983-11-30
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Granted: 1986-07-15
•
Expires: 2003-11-30
Abstract
Abstract A pourout fitment/closure that may be applied as a single unit to a container for liquids, includes a plurality of areas providing a liquid tight seal as torqued onto a container, and wherein, on removal of the closure, the fitment regulates and provides a smooth rate of flow of liquid as it is dispensed therethrough from the container.
Inventors
- 👤 William M. Roof
- 👤 Dennis P. Blair
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 21:25
CPC Classifications
B; B65; B65D; B65D47/00; B65D47/04; B65D47/06; B65D47/12; B65D47/122
Claims Analysis
Total Claims: 58
Claim 1
Independent Claim
323 words
A pourout fitment/closure for use on a container including a tubular neck defining a pourout opening for the container and configured for attachment of said fitment/closure thereto; said fitment/closure including retaining means for releasable interconnection of said fitment to said closure so that said fitment/closure can be applied as a single unit to the tubular neck of the container, said retaining means being operable to release said closure from said fitment when said closure is removed from the tubular neck of the container; said fitment including a flanged disk-like body portion having means for attachment of said fitment to the tubular neck of the container and over the pourout opening thereof, a generally cylindrical hub portion depending from said flanged disk-like body portion to within the pourout opening of the tubular neck of the container and providing a flowway for regulating the rate of flow and dispersion of liquid as poured from the container, and a tubular portion comprising a pouring spout intercommunicating with said flowway of said hub portion for receiving liquid therefrom as poured from the container; said hub portion having a plurality of spaced circumferential windows opening into said flowway thereof for regulating the rate of flow of liquid into said flowway, a bottom wall for diverting liquid flow thereabout and through said windows, and a center post of orbicular cross section mounted substantially centrally on said bottom wall and extending to within said flowway in a spaced apart relation to and confronting said windows for dispersing the liquid pour as it passes through said windows and through said flowway; and said closure includes a top portion having a depending skirt provided with means for removable attachment of said closure to the tubular neck of the container and over the pourout opening thereof, and means cooperatively interacting with said fitment for providing a substantially liquid tight seal over the pourout opening of the container when said closure is attached thereto.
Claim 2
Dependent Claim
323 words
A pourout fitment/closure for use on a container including a tubular neck defining a pourout opening for the container and configured for attachment of said fitment/closure thereto; said fitment/closure including retaining means for releasable interconnection of said fitment to said closure so that said fitment/closure can be applied as a single unit to the tubular neck of the container, said retaining means being operable to release said closure from said fitment when said closure is removed from the tubular neck of the container; said fitment including a flanged disk-like body portion having means for attachment of said fitment to the tubular neck of the container and over the pourout opening thereof, a generally cylindrical hub portion depending from said flanged disk-like body portion to within the pourout opening of the tubular neck of the container and providing a flowway for regulating the rate of flow and dispersion of liquid as poured from the container, and a tubular portion comprising a pouring spout intercommunicating with said flowway of said hub portion for receiving liquid therefrom as poured from the container; said hub portion having a plurality of spaced circumferential windows opening into said flowway thereof for regulating the rate of flow of liquid into said flowway, a bottom wall for diverting liquid flow thereabout and through said windows, and a center post of orbicular cross section mounted substantially centrally on said bottom wall and extending to within said flowway in a spaced apart relation to and confronting said windows for dispersing the liquid pour as it passes through said windows and through said flowway; and said closure includes a top portion having a depending skirt provided with means for removable attachment of said closure to the tubular neck of the container and over the pourout opening thereof, and means cooperatively interacting with said fitment for providing a substantially liquid tight seal over the pourout opening of the container when said closure is attached thereto.
Claim 3
Dependent Claim
30 words
A pourout fitment/closure as specified in claim 1 and wherein said center post extends in confronting relation to said windows to a height less than the height of said windows.
Claim 4
Dependent Claim
28 words
A pourout fitment/closure as specified in claim 2 and wherein the height of said center post is not more than sixty percent of the height of said windows.
Claim 5
Dependent Claim
27 words
A pourout fitment/closure as specified in claim 1 and wherein the maximum diametrical cross section of said center post is less than the width of said windows.
Claim 6
Dependent Claim
31 words
A pourout fitment/closure as specified in claim 4 and wherein the maximum diametrical cross section of said center post is not more than fifty percent of the width of said windows.
Claim 7
Dependent Claim
48 words
A pourout fitment/closure as specified in claim 1 wherein said center post extends in confronting relation to said windows to a height less than the height of said windows and wherein the maximum diametrical cross section of said center post is less than the width of said windows.
Claim 8
Dependent Claim
51 words
A pourout fitment/closure as specified in claim 6 and wherein the height of said center post is not more than sixty percent of the height of said windows and wherein the maximum diametrical cross section of said center post is not more than fifty percent of the width of said windows.
Claim 9
Dependent Claim
33 words
A pourout fitment/closure as specified in either of claims 1, 2, 3, 4, 5, 6, or 7, and wherein said center post is conical, having a side wall divergent from said bottom wall.
Claim 10
Dependent Claim
25 words
A pourout fitment/closure as specified in claim 8 wherein said center post is hollow and said bottom wall is provided with a drain hole therefor.
Claim 11
Dependent Claim
72 words
A pourout fitment/closure as specified in either of claims 1, 2, 3, 4, 5, 6, or 7, and wherein said flanged disk-like body portion of said fitment includes an annular convex bead and said top portion of said closure includes a circumferential outer leg depending from the inner surface thereof and having a concave groove extending about the lowermost end thereof for cooperative interengagement therewithin of said convex bead of said fitment.
Claim 12
Dependent Claim
24 words
A pourout fitment/closure as specified in claim 10 and wherein said center post is conical, having a side wall divergent from said bottom wall.
Claim 13
Dependent Claim
25 words
A pourout fitment/closure as specified in claim 11 wherein said center post is hollow and said bottom wall is provided with a drain hole therefor.
Claim 14
Dependent Claim
101 words
A pourout fitment/closure as specified in either of claims 1, 2, 3, 4, 5, 6, or 7, and wherein said hub portion includes a tubular member mounted on said bottom wall thereof and a plurality of pillars interconnected at the upper end thereof to said flanged disk-like body portion thereof and at the lower end thereof to said tubular member, said flanged disk-like body portion defining the top of said windows, said pillars the sides thereof, and said tubular member the bottom thereof, and wherein said tubular member comprises a gate for determining the basic rate of flow through said windows.
Claim 15
Dependent Claim
24 words
A pourout fitment/closure as specified in claim 13, and wherein said center post is conical, having a side wall divergent from said bottom wall.
Claim 16
Dependent Claim
25 words
A pourout fitment/closure as specified in claim 14 wherein said center post is hollow and said bottom wall is provided with a drain hole therefor.
Claim 17
Dependent Claim
62 words
A pourout fitment/closure as specified in claim 13 and wherein said flanged disk-like body portion of said fitment includes an annular convex bead and said top portion of said closure includes a circumferential leg depending from the inner surface thereof and having a concave groove extending about the lowermost end thereof for cooperative interengagemcnt therewithin of said convex bead of said fitment.
Claim 18
Dependent Claim
24 words
A pourout fitment/closure as specified in claim 16, and wherein said center post is conical, having a side wall divergent from said bottom wall.
Claim 19
Dependent Claim
25 words
A pourout fitment/closure as specified in claim 17 wherein said center post is hollow and said bottom wall is provided with a drain hole therefor.
Claim 20
Dependent Claim
52 words
A pourout fitment/closure as specified in either of claims 1, 2, 3, 4, 5, 6, or 7 and wherein said bottom wall of said hub portion includes a depending side wall divergently extending circumferentially therebelow and providing a baffle for interrupting and dispersing liquid flow thereabout on its passage to said windows.
Claim 21
Dependent Claim
24 words
A pourout fitment/closure as specified in claim 19, and wherein said center post is conical, having a side wall divergent from said bottom wall.
Claim 22
Dependent Claim
25 words
A pourout fitment/closure as specified in claim 20 wherein said center post is hollow and said bottom wall is provided with a drain hole therefor.
Claim 23
Dependent Claim
63 words
A pourout fitment/closure as specified in claim 19, and wherein said flanged disk-like body portion of said fitment includes an annular convex bead and said top portion of said closure includes a circumferential outer leg depending from the inner surface thereof and having a concave groove extendant about the lowermost end thereof for cooperative interengagement therewithin of said convex bead of said fitment.
Claim 24
Dependent Claim
24 words
A pourout fitment/closure as specified in claim 22, and wherein said center post is conical, having a side wall divergent from said bottom wall.
Claim 25
Dependent Claim
25 words
A pourout fitment/closure as specified in claim 23 wherein said center post is hollow and said bottom wall is provided with a drain hole therefor.
Claim 26
Dependent Claim
92 words
A pourout fitment/closure as specified in claim 19, and wherein said hub portion includes a tubular member mounted on said bottom wall thereof and a plurality of pillars interconnected at the upper end thereof to said flanged disk-like body portion thereof and at the lower end thereof to said tubular member, said flanged disk-like body portion defining the top of said windows, said pillars the sides thereof, and said tubular member the bottom thereof, and wherein said tubular member comprises a gate for determining the basic rate of flow through said windows.
Claim 27
Dependent Claim
24 words
A pourout fitment/closure as specified in claim 25, and wherein said center post is conical, having a side wall divergent from said bottom wall.
Claim 28
Dependent Claim
25 words
A pourout fitment/closure as specified in claim 26 wherein said center post is hollow and said bottom wall is provided with a drain hole therefor.
Claim 29
Dependent Claim
63 words
A pourout fitment/closure as specified in claim 25, and wherein said flanged disk-like body portion of said fitment includes an annular convex bead and said top portion of said closure includes a circumferential outer leg depending from the inner surface thereof and having a concave groove extendant about the lowermost end thereof for cooperative interengagement therewithin of said convex bead of said fitment.
Claim 30
Dependent Claim
24 words
A pourout fitment/closure as specified in claim 28, and wherein said center post is conical, having a side wall divergent from said bottom wall.
Claim 31
Dependent Claim
25 words
A pourout fitment/closure as specified in claim 29 wherein said center post is hollow and said bottom wall is provided with a drain hole therefor.
Claim 32
Dependent Claim
67 words
A pourout fitment/closure as specified in either of claims 1, 2, 3, 4, 5, 6, or 7, and wherein said bottom wall of said hub portion is provided with at least two vent holes symmetrically spaced apart to sides of said center post for permitting ingress of air to within the container as liquid is poured therefrom and thereby smoothing out the flow of liquid being dispensed.
Claim 33
Dependent Claim
43 words
A pourout fitment/closure as specified in claim 31, and wherein said bottom wall of said hub portion includes a depending side wall divergently extending circumferentially therebelow and providing a baffle for interrupting and dispersing liquid flow thereabout on its passage to said windows.
Claim 34
Dependent Claim
24 words
A pourout fitment/closure as specified in claim 32, and wherein said center post is conical, having a side wall divergent from said bottom wall.
Claim 35
Dependent Claim
25 words
A pourout fitment/closure as specified in claim 33 wherein said center post is hollow and said bottom wall is provided with a drain hole therefor.
Claim 36
Dependent Claim
63 words
A pourout fitment/closure as specified in claim 32, and wherein said flanged disk-like body portion of said fitment includes an annular convex bead and said top portion of said closure includes a circumferential outer leg depending from the inner surface thereof and having a concave groove extending about the lowermost end thereof for cooperative interengagement therewithin of said convex bead of said fitment.
Claim 37
Dependent Claim
24 words
A pourout fitment/closure as specified in claim 35, and wherein said center post is conical, having a side wall divergent from said bottom wall.
Claim 38
Dependent Claim
25 words
A pourout fitment/closure as specified in claim 36 wherein said center post is hollow and said bottom wall is provided with a drain hole therefor.
Claim 39
Dependent Claim
92 words
A pourout fitment/closure as specified in claim 32, and wherein said hub portion includes a tubular member mounted on said bottom wall thereof and a plurality of pillars interconnected at the upper end thereof to said flanged disk-like body portion thereof and at the lower end thereof to said tubular member, said flanged disk-like body portion defining the top of said windows, said pillars the sides thereof, and said tubular member the bottom thereof, and wherein said tubular member comprises a gate for determining the basic rate of flow through said windows.
Claim 40
Dependent Claim
24 words
A pourout fitment/closure as specified in claim 38, and wherein said center post is conical, having a side wall divergent from said bottom wall.
Claim 41
Dependent Claim
25 words
A pourout fitment/closure as specified in claim 39 wherein said center post is hollow and said bottom wall is provided with a drain hole therefor.
Claim 42
Dependent Claim
63 words
A pourout fitment/closure as specified in claim 38, and wherein said flanged disk-like body portion of said fitment includes an annular convex bead and said top portion of said closure includes a circumferential outer leg depending from the inner surface thereof and having a concave groove extending about the lowermost end thereof for cooperative interengagement therewithin of said convex bead of said fitment.
Claim 43
Dependent Claim
24 words
A pourout fitment/closure as specified in claim 41, and wherein said center post is conical, having a side wall divergent from said bottom wall.
Claim 44
Dependent Claim
25 words
A pourout fitment/closure as specified in claim 42, wherein said center post is hollow and said bottom wall is provided with a drain hole therefor.
Claim 45
Dependent Claim
109 words
A pourout fitment/closure as specified in either of claims 1, 2, 3, 4, 5, 6, or 7, and wherein said tubular portion of said hub portion includes an annular bead about the inner diameter thereof for providing a drip ring to inhibit dripping of liquid when the pouring action has been completed and a divergently flared pouring lip; and said top portion of said closure including a circumferential inner leg depending from the inner surface thereof, said inner leg having a circumferential recess for interfitting cooperative engagement of said annular bead of said fitment therewithin and providing said retaining means for releasable interconnection of said fitment to said closure.
Claim 46
Dependent Claim
58 words
A pourout fitment/closure as specified in claim 44, and wherein said bottom wall of said hub portion is provided with at least two vent holes symmetrically spaced apart to sides of said center post for permitting ingress of air to within the container as liquid is poured therefrom and thereby smoothing out the flow of liquid being dispensed.
Claim 47
Dependent Claim
43 words
A pourout fitment/closure as specified in claim 45, and wherein said bottom wall of said hub portion includes a depending side wall divergently extending circumferentially therebelow and providing a baffle for interrupting and dispersing liquid flow thereabout on its passage to said windows.
Claim 48
Dependent Claim
24 words
A pourout fitment/closure as specified in claim 46, and wherein said center post is conical, having a side wall divergent from said bottom wall.
Claim 49
Dependent Claim
25 words
A pourout fitment/closure as specified in claim 47 wherein said center post is hollow and said bottom wall is provided with a drain hole therefor.
Claim 50
Dependent Claim
63 words
A pourout fitment/closure as specified in claim 46, and wherein said flanged disk-like body portion of said fitment includes an annular convex bead and said top portion of said closure includes a circumferential outer leg depending from the inner surface thereof and having a concave groove extending about the lowermost end thereof for cooperative interengagement therewithin of said convex bead of said fitment.
Claim 51
Dependent Claim
24 words
A pourout fitment/closure as specified in claim 49, and wherein said center post is conical, having a side wall divergent from said bottom wall.
Claim 52
Dependent Claim
25 words
A pourout fitment/closure as specified in claim 50 wherein said center post is hollow and said bottom wall is provided with a drain hole therefor.
Claim 53
Dependent Claim
92 words
A pourout fitment/closure as specified in claim 46, and wherein said hub portion includes a tubular member mounted on said bottom wall thereof and a plurality of pillars interconnected at the upper end thereof to said flanged disk-like body portion thereof and at the lower end thereof to said tubular member, said flanged disk-like body portion defining the top of said windows, said pillars the sides thereof, and said tubular member the bottom thereof, and wherein said tubular member comprises a gate for determining the basic rate of flow through said windows.
Claim 54
Dependent Claim
24 words
A pourout fitment/closure as specified in claim 52, and wherein said center post is conical, having a side wall divergent from said bottom wall.
Claim 55
Dependent Claim
25 words
A pourout fitment/closure as specified in claim 53 wherein said center post is hollow and said bottom wall is provided with a drain hole therefor.
Claim 56
Dependent Claim
63 words
A pourout fitment/closure as specified in claim 52, and wherein said flanged disk-like body portion of said fitment includes an annular convex bead and said top portion of said closure includes a circumferential outer leg depending from the inner surface thereof and having a concave groove extending about the lowermost end thereof for cooperative interengagement therewithin of said convex bead of said fitment.
Claim 57
Dependent Claim
24 words
A pourout fitment/closure as specified in claim 55, and wherein said center post is conical, having a side wall divergent from said bottom wall.
Claim 58
Dependent Claim
25 words
A pourout fitment/closure as specified in claim 56 wherein said center post is hollow and said bottom wall is provided with a drain hole therefor.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1989-07-14 | 1990-01-13 | 1990-07-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1993-07-14 | 1994-01-13 | 1994-07-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1997-07-14 | 1998-01-13 | 1998-07-15 | $7700.00 | Window Closed / Lapsed |