IT981223B - Fibre cave di materiale traspa rente riempite - Google Patents
Fibre cave di materiale traspa rente riempiteInfo
- Publication number
- IT981223B IT981223B IT21338/73A IT2133873A IT981223B IT 981223 B IT981223 B IT 981223B IT 21338/73 A IT21338/73 A IT 21338/73A IT 2133873 A IT2133873 A IT 2133873A IT 981223 B IT981223 B IT 981223B
- Authority
- IT
- Italy
- Prior art keywords
- transparent material
- hollow fibers
- material filled
- filled
- fibers
- Prior art date
Links
Classifications
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
- D21H21/00—Non-fibrous material added to the pulp, characterised by its function, form or properties; Paper-impregnating or coating material, characterised by its function, form or properties
- D21H21/14—Non-fibrous material added to the pulp, characterised by its function, form or properties; Paper-impregnating or coating material, characterised by its function, form or properties characterised by function or properties in or on the paper
- D21H21/40—Agents facilitating proof of genuineness or preventing fraudulent alteration, e.g. for security paper
- D21H21/44—Latent security elements, i.e. detectable or becoming apparent only by use of special verification or tampering devices or methods
- D21H21/48—Elements suited for physical verification, e.g. by irradiation
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B42—BOOKBINDING; ALBUMS; FILES; SPECIAL PRINTED MATTER
- B42D—BOOKS; BOOK COVERS; LOOSE LEAVES; PRINTED MATTER CHARACTERISED BY IDENTIFICATION OR SECURITY FEATURES; PRINTED MATTER OF SPECIAL FORMAT OR STYLE NOT OTHERWISE PROVIDED FOR; DEVICES FOR USE THEREWITH AND NOT OTHERWISE PROVIDED FOR; MOVABLE-STRIP WRITING OR READING APPARATUS
- B42D25/00—Information-bearing cards or sheet-like structures characterised by identification or security features; Manufacture thereof
- B42D25/30—Identification or security features, e.g. for preventing forgery
- B42D25/355—Security threads
-
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
- C03B37/00—Manufacture or treatment of flakes, fibres, or filaments from softened glass, minerals, or slags
- C03B37/01—Manufacture of glass fibres or filaments
- C03B37/02—Manufacture of glass fibres or filaments by drawing or extruding, e.g. direct drawing of molten glass from nozzles; Cooling fins therefor
- C03B37/022—Manufacture of glass fibres or filaments by drawing or extruding, e.g. direct drawing of molten glass from nozzles; Cooling fins therefor from molten glass in which the resultant product consists of different sorts of glass or is characterised by shape, e.g. hollow fibres, undulated fibres, fibres presenting a rough surface
-
- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01D—MECHANICAL METHODS OR APPARATUS IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS
- D01D5/00—Formation of filaments, threads, or the like
- D01D5/24—Formation of filaments, threads, or the like with a hollow structure; Spinnerette packs therefor
- D01D5/247—Discontinuous hollow structure or microporous structure
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Manufacturing & Machinery (AREA)
- Textile Engineering (AREA)
- Mechanical Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Artificial Filaments (AREA)
- Spinning Methods And Devices For Manufacturing Artificial Fibers (AREA)
- Developing Agents For Electrophotography (AREA)
- Measuring Temperature Or Quantity Of Heat (AREA)
- Paints Or Removers (AREA)
- Yarns And Mechanical Finishing Of Yarns Or Ropes (AREA)
- Woven Fabrics (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE2212350A DE2212350B2 (de) | 1972-03-15 | 1972-03-15 | Eine Füllung enthaltender Hohlfaden aus transparentem Kunststoff |
Publications (1)
Publication Number | Publication Date |
---|---|
IT981223B true IT981223B (it) | 1974-10-10 |
Family
ID=5838900
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
IT21338/73A IT981223B (it) | 1972-03-15 | 1973-03-08 | Fibre cave di materiale traspa rente riempite |
Country Status (5)
Country | Link |
---|---|
JP (1) | JPS4912875A (it) |
DE (1) | DE2212350B2 (it) |
ES (1) | ES412543A1 (it) |
FR (1) | FR2176050A1 (it) |
IT (1) | IT981223B (it) |
Families Citing this family (16)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5294184A (en) * | 1976-02-03 | 1977-08-08 | Dainippon Printing Co Ltd | Temperature range indicating element |
DE2904705A1 (de) * | 1979-02-08 | 1981-01-29 | Helmut Dipl Phys Nussbaum | Abschottung von hohlglasfasern mittels eingeschmolzener materialien |
JPS599243A (ja) * | 1982-07-02 | 1984-01-18 | 津田駒工業株式会社 | 流体噴射式織機における緯糸測長貯留装置 |
JPS5930941A (ja) * | 1982-08-10 | 1984-02-18 | 津田駒工業株式会社 | 多色自由選択測長・貯留用モータの制御方法 |
JPS5953743A (ja) * | 1982-09-16 | 1984-03-28 | 津田駒工業株式会社 | 織機の多色自由選択装置 |
JPS60155755A (ja) * | 1984-01-20 | 1985-08-15 | 多川機械株式会社 | 回転ドラム式緯糸貯留装置 |
JPH02139456A (ja) * | 1989-07-21 | 1990-05-29 | Tsudakoma Corp | 織機の多色自由選択装置 |
JP2824130B2 (ja) * | 1989-07-25 | 1998-11-11 | 株式会社クラレ | 感温変色性複合繊維 |
GB2268906A (en) † | 1992-07-24 | 1994-01-26 | Portals Ltd | Counterfeit protection for documents using optical effects of liquid crystal |
DE19735628C2 (de) * | 1997-08-18 | 1999-10-14 | Johannes Puff | Verfahren zur Fälschungssicherung eines nicht personengebundenen Zugangsberechtigungsmittels |
DE19833746A1 (de) * | 1998-07-27 | 2000-02-03 | Joergen Brosow | Sicherheitspapier und Verfahren zur Prüfung der Echtheit darauf aufgezeichneter Urkunden |
DE19860093B4 (de) * | 1998-12-23 | 2008-10-09 | Giesecke & Devrient Gmbh | Echtheitsmerkmalskombination für Wertdokumente |
DE19941295A1 (de) * | 1999-08-31 | 2001-03-01 | Giesecke & Devrient Gmbh | Sicherheitselement |
DE10222433A1 (de) * | 2002-05-22 | 2003-12-11 | Kurz Leonhard Fa | Streifenförmiges Sicherheitselement |
DE10343547A1 (de) * | 2003-09-19 | 2005-04-14 | Giesecke & Devrient Gmbh | Sicherheitselement |
US11958308B1 (en) | 2023-05-31 | 2024-04-16 | G13 Innovation In Production Ltd | Thermal paper, and methods and systems for forming the same |
-
1972
- 1972-03-15 DE DE2212350A patent/DE2212350B2/de active Pending
-
1973
- 1973-03-08 IT IT21338/73A patent/IT981223B/it active
- 1973-03-12 ES ES412543A patent/ES412543A1/es not_active Expired
- 1973-03-14 FR FR7309132A patent/FR2176050A1/fr not_active Withdrawn
- 1973-03-14 JP JP48030461A patent/JPS4912875A/ja active Pending
Also Published As
Publication number | Publication date |
---|---|
JPS4912875A (it) | 1974-02-04 |
DE2212350A1 (de) | 1973-10-04 |
ES412543A1 (es) | 1976-01-01 |
FR2176050A1 (en) | 1973-10-26 |
DE2212350B2 (de) | 1974-10-10 |
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