Patent US4176700A successfully refreshed from Google Patents.
US4176700A
Expired / Lapsed
US
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Flexible tubular casing article
Assignee: Union Carbide Corp
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Filing: 1977-07-21
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Granted: 1979-12-04
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Expires: 1997-07-21
Abstract
Abstract A flexible tubular casing article having an end closure comprising a base portion and a series of triangular flaps extending from said base portion, each of said triangle flaps having a common vertex and being folded, preferably in a common direction, over a portion of an adjacent flap, and anchor means for anchoring said flaps against at least a part of said base portion. A method of forming the end closure is also included.
Inventors
- 👤 Mark F. Mettler
- 👤 Clifford C. Faust
- 👤 Brant A. Loichinger
- 👤 Walter T. Forrest
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 13:15
CPC Classifications
A; A22; A22C; A22C13/00; A22C13/0009
Claims Analysis
Total Claims: 16
Claim 1
Independent Claim
77 words
A flexible tubular food casing article having an end closure comprising a base portion and a series of triangular flaps extending from said base portion, each of said triangular flaps having a common vertex and being folded over a portion of an adjacent flap, and anchor means for anchoring said flaps against at least a part of said base portion including a connection between said flaps and said base portion, said end closure defines a curved surface.
Claim 2
Dependent Claim
77 words
A flexible tubular food casing article having an end closure comprising a base portion and a series of triangular flaps extending from said base portion, each of said triangular flaps having a common vertex and being folded over a portion of an adjacent flap, and anchor means for anchoring said flaps against at least a part of said base portion including a connection between said flaps and said base portion, said end closure defines a curved surface.
Claim 3
Dependent Claim
20 words
A flexible tubular food casing article according to claim 1 wherein said triangular flaps are folded in a common direction.
Claim 4
Dependent Claim
28 words
A flexible tubular food casing article according to claim 1 wherein said anchor means include means for anchoring said flaps against the underlying portion of the adjacent flap.
Claim 5
Dependent Claim
20 words
A flexible tubular food casing article according to claim 1 having at least three flaps extending from said base portion.
Claim 6
Dependent Claim
21 words
A flexible tubular food casing article according to claim 1 having from 6 to 8 flaps extending from said base portion.
Claim 7
Dependent Claim
17 words
A flexible tubular food casing article according to claim 1 wherein said anchor means include an adhesive.
Claim 8
Dependent Claim
18 words
A flexible tubular food casing article according to claim 1 wherein said anchor means include a heat seal.
Claim 9
Dependent Claim
37 words
A flexible tubular food casing article according to claim 1 wherein said flaps are anchored against said base portion by a series of stitches forming at least one stitch line across said flaps and said base portion.
Claim 10
Dependent Claim
21 words
A flexible tubular food casing article according to claim 8 wherein said stitches comprise at least three concentrically disposed stitch lines.
Claim 11
Dependent Claim
56 words
A flexible tubular food casing article according to claim 8 wherein said stitches comprise at least four concentrically disposed stitch lines, one of said stitch lines being an outer stitch line disposed near an outer end of said flaps, and one of which is an inner stitch line disposed near an inner end of said flaps.
Claim 12
Dependent Claim
30 words
A flexible tubular food casing article according to claim 10 including a vertex closure formed by cross-stitching said flaps together interiorly of said inner stitch line at said common vertex.
Claim 13
Dependent Claim
22 words
A flexible tubular food casing article according to claim 1 including means anchoring said flaps to each other at said common vertex.
Claim 14
Dependent Claim
24 words
A flexible tubular food casing article according to claim 12 including a vertex closure formed by cross-stitching said flaps together at said common vertex.
Claim 15
Dependent Claim
19 words
The flexible tubular food casing article according to claim 1 wherein said food casing is a fibrous food casing.
Claim 16
Dependent Claim
21 words
The flexible tubular food casing article according to claim 1 wherein said end closure defines a portion of a spheroidal surface.
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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) | 1982-12-03 | 1983-06-04 | 1983-12-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1986-12-03 | 1987-06-04 | 1987-12-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1990-12-03 | 1991-06-04 | 1991-12-04 | $7700.00 | Window Closed / Lapsed |