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公开(公告)号：FI91212C
公开(公告)日：1994-06-10
申请号：FI890232
申请日：1989-01-17
Applicant: HOECHST AG
Inventor： STENGER KARL , STRUTZEL HANS , CRASS GUENTHER
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公开(公告)号：DE4017046A1
公开(公告)日：1991-11-28
申请号：DE4017046
申请日：1990-05-26
Applicant: HOECHST AG
Inventor： STENGER KARL , SAAL MARLIESE
Abstract: The multilayered tubular packaging casing for pasty material, in particular synthetic sausage casing, based on polyamide, is composed of an outer layer based on an aliphatic polyamide, an aliphatic copolyamide or a polymer blend of at least one of these compounds, a water vapour-impermeable middle layer of polyolefin and adhesion- promoting components and an inner layer which is preferably impermeable to oxygen and is based on aliphatic and/or partly aromatic polyamides and/or aliphatic and/or partly aromatic copolyamides.
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公开(公告)号：FI80572B
公开(公告)日：1990-03-30
申请号：FI864403
申请日：1986-10-29
Applicant: HOECHST AG
Inventor： KASTL ERNA , KLENK LUDWIG , STENGER KARL , FAUST HORST
Abstract: A web-shaped or tubular packaging film for use in food packaging applications, particularly as a sausage casing, is comprised of a carrier layer based on fiber-reinforced celulose and a closed thermoplastic, sealable resin coating based on copolymers containing vinylidene chloride (VDC) units. To improve the kink resistance, this resin coating is built up from at least two superposed layers, the first resin coating layer adjacent to the carrier layer being composed of a VDC copolymer forming flexible films and the outer, second resin coating layer being composed of a VDC copolymer forming rigid films. The web-shaped film is suitable for the production of tubular packaging casings, in particular sausage casings, with a longitudinal seam.
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公开(公告)号：DE3538702A1
公开(公告)日：1987-05-07
申请号：DE3538702
申请日：1985-10-31
Applicant: HOECHST AG
Inventor： KASTL ERNA , KLENK LUDWIG , STENGER KARL , FAUST HORST
Abstract: A web-shaped or tubular packaging film for use in food packaging applications, particularly as a sausage casing, is comprised of a carrier layer based on fiber-reinforced celulose and a closed thermoplastic, sealable resin coating based on copolymers containing vinylidene chloride (VDC) units. To improve the kink resistance, this resin coating is built up from at least two superposed layers, the first resin coating layer adjacent to the carrier layer being composed of a VDC copolymer forming flexible films and the outer, second resin coating layer being composed of a VDC copolymer forming rigid films. The web-shaped film is suitable for the production of tubular packaging casings, in particular sausage casings, with a longitudinal seam.
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公开(公告)号：FI864405A0
公开(公告)日：1986-10-29
申请号：FI864405
申请日：1986-10-29
Applicant: HOECHST AG
Inventor： KASTL ERNA , KLENK LUDWIG , STENGER KARL
Abstract: The film is built up from a base layer based on fibre-reinforced cellulose and a continuous, gas-impermeable resin coating based on vinylidene chloride copolymer. The resin coating contains a dye which preferably comprises pigments. The base layer expediently also contains a dye which has the same colour shade as the dye of the resin coating.
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Patent Agency Ranking
公开(公告)号：AT13479T
公开(公告)日：1985-06-15
申请号：AT81109118
申请日：1981-10-28
Applicant: HOECHST AG
Inventor： PORRMANN HERBERT DR , HEIDEL PETER DR , STENGER KARL
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公开(公告)号：FI67473C
公开(公告)日：1985-04-10
申请号：FI813741
申请日：1981-11-24
Applicant: HOECHST AG
Inventor： PORRMANN HERBERT , SEIFRIED WALTER , KLENK LUDWIG , STENGER KARL
Abstract: Disclosed is a tubular casing of fiber-reinforced regenerated cellulose comprising a film web which is curved to form a tube. The edge regions of the film web, which run parallel to the longitudinal axis, abut or overlap slightly and are sealed by means of a film strip which covers both the edge regions. The film web and the film strip composed of the same material have, in the wet remoistened stage, a breaking strength of about 15 to 30 N/mm2 and an elongation at break of about 30 to 50% in the longitudinal direction of the web, and a breaking strength of about 15 to 35 N/mm2 and an elongation at break of about 30 to 50% in the transverse direction of the web. The breaking strength in the transverse direction of the web is equal to or greater than that in the longitudinal direction of the web. On its entire surface facing the film strip, the tubular casing has a substantially gas-impermeable and sealable layer, as has the film strip on the surface which comes into contact with the tubular casing. The film web is produced from viscose, and is prevented from shrinking during the process and is stretched in the transverse direction during drying. The tubular casing finds particular application as a sausage casing.
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公开(公告)号：CA1182331A
公开(公告)日：1985-02-12
申请号：CA390778
申请日：1981-11-24
Applicant: HOECHST AG
Inventor： PORRMANN HERBERT , SEIFRIED WALTER , KLENK LUDWIG , STENGER KARL
Abstract: Disclosed is a tubular casing of fiber reinforced regenerated cellulose comprising a film web which is curved to form a tube. The edge regions of the film web, which run parallel to the longitudinal axis, abut or overlap slightly and are sealed by means of a film strip which covers both the edge regions. The film web and the film strip composed of the same material have, in the wet remoistened stage, a breaking strength of about 15 to 30 N/mm2 and an elongation at break of about 30 to 50% in the longitudinal direction of the web, and a breaking strength of about 15 to 35 N/mm2 and an elongation at break of about 30 to 50% in the transverse direction of the web. The breaking strength in the transverse direction of the web is equal to or greater than that in the longitudinal direction of the web. On its entire surface facing the film strip, the tubular casing has a substantially gasimpermeable and sealable layer, as s the film strip on the surface which comes into contact with the tubular casing. The film web is produced from viscose, and is prevented from shrinking during the process and is stretched in the transverse direction during drying. The tubular casing finds particular application as a sausage casing.
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公开(公告)号：FI67474B
公开(公告)日：1984-12-31
申请号：FI813746
申请日：1981-11-24
Applicant: HOECHST AG
Inventor： PORRMANN HERBERT , HEIDEL PETER , STENGER KARL
Abstract: Disclosed is a tubular casing comprising a fiber-reinforced regenerated cellulose wherein the fiber-reinforcement comprises a fiber web comprising first and second edge regions, parallel to the longitudinal axis, which are overlapped and bonded to form a tube; an impregnation layer of a thermoplastic synthetic resin applied on the entire inwardly-facing surface of the fiber-reinforcement and present in a weight per unit area of less than about 50 g/m2, the impregnation layer comprising the bond for the edge regions; and a regenerated cellulose surface on the outer surface of the fiber-reinforcement. Also disclosed is a process for manufacturing the tubular casing.
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公开(公告)号：DE3943024C2
公开(公告)日：1996-05-30
申请号：DE3943024
申请日：1989-12-27
Applicant: HOECHST AG
Inventor： STENGER KARL
Abstract: The monolayered, biaxially stretch-oriented and heat-set tubular packaging casing, in particular synthetic sausage casing, is crystal-clear and exhibits high resilience. It is essentially composed of a polymer mixture comprising polyamide-6 and an aromatic copolyamide comprising units of hexamethylene diamine, terephthalic acid and isophthalic acid.
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