Patent US4410011A successfully refreshed from Google Patents.
US4410011A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Tubular casing with glued seam and its manufacture and use for curved or ring-shaped sausages
Assignee: Hoechst AG
•
Filing: 1981-04-03
•
Granted: 1983-10-18
•
Expires: 2001-04-03
Abstract
Abstract A tubular casing for foodstuffs, in particular sausages, comprising a web (4) which is curved along its longitudinal axis and having its longitudinal edge regions (1, 2) bonded by a glued seam. The edge regions (1,2) meet or overlap and are bonded with a strip of film (6). The strip of film (6) comprises a material which is capable of shrinking in the direction of its longitudinal axis at a temperature between about 60° to 100° C. A pressure-sensitive adhesive is used for the bonding. The tubular casing carries an adhesion-promoting layer (5) on the surface adjacent to the adhesive layer (3). Heating the filled casing gives it a curved form.
Inventors
- 👤 Klaus Andra
- 👤 Elfriede Hutschenreuter
- 👤 Herbert Porrmann
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 19:25
CPC Classifications
A; A22; A22C; A22C13/00; B; B29; B29C; B29C53/00; B29C53/36; B29C53/38; B29C53/387; B29C53/48; B29C53/50; B29C61/00; B29C61/02; B29C61/025; A22C2013/0053; A22C2013/0066; A22C2013/0069; A22C2013/0086; B29C65/00; B29C65/48; B29C65/4805; B29C65/481; B29C65/4825; B29C65/483; B29C65/4835; B29C65/485; B29C65/50; B29C65/5007; B29C65/5021; B29C65/5028; B29C65/5042; B29C65/5057; B29C65/5092; B29C66/00; B29C66/01; B29C66/05; B29C66/10; B29C66/11; B29C66/112; B29C66/1122; B29C66/114; B29C66/1142; B29C66/40; B29C66/41; B29C66/43; B29C66/432; B29C66/4322; B29C66/49; B29C66/70; B29C66/72; B29C66/723; B29C66/727; B29L; B29L2023/00; B29L2023/001; B29L2023/002; B29L2023/004; Y; Y10; Y10S; Y10S174/00; Y10S174/08; Y10T; Y10T428/00; Y10T428/13; Y10T428/1324
Claims Analysis
Total Claims: 19
Claim 1
Independent Claim
151 words
A tubular casing suitable for containing foodstuffs, comprising: a web of material comprising a naturally occurring polymer, said web being curved about its longitudinal axis in such a manner that its two longitudinal edge regions are positioned to form a seam; a layer of a substantially water-insoluble adhesion-promoting resin covering at least one of the inside and outside surfaces of said web in at least the area of said two edge regions; a strip of film applied to said longitudinal edge regions forming the seam, said strip of film comprising a material capable of shrinking predominantly in the direction of its longitudinal axis upon the application of heat; and a layer of a pressure-sensitive adhesive interposed between said strip of film and each edge region of said web material, whereby the seam is sealed by said strip of film via said layer of pressure-sensitive adhesive and said layer of adhesion-promoting resin.
Claim 2
Dependent Claim
151 words
A tubular casing suitable for containing foodstuffs, comprising: a web of material comprising a naturally occurring polymer, said web being curved about its longitudinal axis in such a manner that its two longitudinal edge regions are positioned to form a seam; a layer of a substantially water-insoluble adhesion-promoting resin covering at least one of the inside and outside surfaces of said web in at least the area of said two edge regions; a strip of film applied to said longitudinal edge regions forming the seam, said strip of film comprising a material capable of shrinking predominantly in the direction of its longitudinal axis upon the application of heat; and a layer of a pressure-sensitive adhesive interposed between said strip of film and each edge region of said web material, whereby the seam is sealed by said strip of film via said layer of pressure-sensitive adhesive and said layer of adhesion-promoting resin.
Claim 3
Dependent Claim
33 words
A tubular casing as claimed in claim 1, wherein said strip of film shrinks between about 5 and 80% in the longitudinal direction in the temperature range from about 60° to 100° C.
Claim 4
Dependent Claim
16 words
A tubular casing as claimed in claim 1, wherein said web of material comprises regenerated cellulose.
Claim 5
Dependent Claim
20 words
A tubular casing as claimed in claim 1, wherein said substantially water-insoluble adhesion-promoting resin comprises a polymer containing vinylidene groups.
Claim 6
Dependent Claim
36 words
A tubular casing as claimed in claim 1, wherein said strip of film, and said edge zones are permeable to smoke, and wherein said layer of pressure-sensitive adhesive includes openings to improve the permeability to smoke.
Claim 7
Dependent Claim
39 words
A tubular casing as claimed in claim 5, wherein at least one of said strip of film and said layer of pressure-sensitive adhesive comprises a sheet-like textile structure, a sponge, a foam, a microporous film or a microporous membrane.
Claim 8
Dependent Claim
47 words
A tubular casing as claimed in claim 1, wherein said adhesion-promoting resin comprises a hardened cationic thermosetting resin selected from a urea/formaldehyde, melamine/formaldehyde or phenol/formaldehyde resin or a condensation product of a polyamide-polyamine, an aliphatic polyamine or a polyamide with a bifunctional halohydrin or a derivative thereof.
Claim 9
Dependent Claim
14 words
A tubular casing as claimed in claim 1, wherein said bifunctional halohydrin comprises epichlorohydrin.
Claim 10
Dependent Claim
18 words
A tubular casing as claimed in claim 1, wherein said pressure-sensitive adhesive comprises a polyacrylate or a polymethacrylate.
Claim 11
Dependent Claim
25 words
A tubular casing as claimed in claim 9, wherein said pressure-sensitive adhesive comprises a resin which can be crosslinked by means of heat and/or chemically.
Claim 12
Dependent Claim
18 words
A tubular casing as claimed in claim 10, wherein said pressure-sensitive adhesive contains a copolymer with reactive comonomers.
Claim 13
Dependent Claim
23 words
A tubular casing as claimed in claim 11, wherein said pressure-sensitive adhesive contains a resin based on an acrylate copolymer containing carboxyl groups.
Claim 14
Dependent Claim
24 words
A tubular casing as claimed in claim 9, wherein said pressure-sensitive adhesive contains a resin based on a copolymer with acrylate and acrylonitrile comonomers.
Claim 15
Dependent Claim
23 words
A tubular casing as claimed in claim 9, wherein said pressure-sensitive adhesive contains a homopolymer or copolymer of butyl acrylate and/or 2-ethylhexyl acrylate.
Claim 16
Dependent Claim
38 words
A tubular casing as claimed in claim 1, wherein the casing is shirred and the seam region is arranged spirally around the lengthwise axis of the shirred tubular casing in at least a part of the tubular casing.
Claim 17
Dependent Claim
32 words
A tubular casing as defined in claim 1, wherein said longitudinal edge regions lie in edge to edge relationship with one another and said strip of film overlies said contiguous edge region.
Claim 18
Dependent Claim
33 words
A tubular casing as claimed in claim 16, comprising two of said strips of film, one overlying the inside surface of said web and the other overlying the outside surface of said web.
Claim 19
Dependent Claim
29 words
A tubular casing as defined in claim 1, wherein said longitudinal edge regions overlap one another and said strip of film is interposed between said longitudinally overlapped edge regions.
References Cited (Backward Citations)
US2000835A
Cited
US2181887A
Cited
US2148884A
Cited
US2136566A
Cited
US2210436A
Cited
US2226442A
Cited
DE886863C
Cited
US2461975A
Cited
US2607696A
Cited
US2773773A
Cited
US2653432A
Cited
US2608488A
Cited
US2573956A
Cited
US2685770A
Cited
US2757495A
Cited
US2685769A
Cited
US2686725A
Cited
US2767435A
Cited
US2857283A
Cited
US2925621A
Cited
US2748027A
Cited
US2819488A
Cited
GB784920A
Cited
US2961323A
Cited
US2961340A
Cited
GB865727A
Cited
US2999788A
Cited
US3144425A
Cited
US3108017A
Cited
GB908205A
Cited
US3378379A
Cited
FR1385394A
Cited
DE1908851U
Cited
US3766603A
Cited
US3619854A
Cited
US3545161A
Cited
US3679435A
Cited
US3594857A
Cited
GB1240560A
Cited
US3546209A
Cited
US3884270A
Cited
FR2102508A5
Cited
US3826676A
Cited
US4185358A
Cited
US3988804A
Cited
US3852224A
Cited
US4192904A
Cited
US4233341A
Cited
FR2336884A1
Cited
DE2832926A1
Cited
US4283426A
Cited
US4356200A
Cited
US4356199A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1986-10-17 | 1987-04-18 | 1987-10-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1990-10-17 | 1991-04-18 | 1991-10-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1994-10-17 | 1995-04-18 | 1995-10-18 | $7700.00 | Window Closed / Lapsed |