GB630915A - Improvements in or relating to typewriter ribbons and the like - Google Patents
Improvements in or relating to typewriter ribbons and the likeInfo
- Publication number
- GB630915A GB630915A GB8820/47A GB882047A GB630915A GB 630915 A GB630915 A GB 630915A GB 8820/47 A GB8820/47 A GB 8820/47A GB 882047 A GB882047 A GB 882047A GB 630915 A GB630915 A GB 630915A
- Authority
- GB
- United Kingdom
- Prior art keywords
- fabric
- ribbon
- yarns
- cellulose
- woven
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41J—TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
- B41J31/00—Ink ribbons; Renovating or testing ink ribbons
- B41J31/02—Ink ribbons characterised by the material from which they are woven
- B41J31/04—Ink ribbons characterised by the material from which they are woven woven from synthetic material
Landscapes
- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Chemical Or Physical Treatment Of Fibers (AREA)
- Treatments For Attaching Organic Compounds To Fibrous Goods (AREA)
- Impression-Transfer Materials And Handling Thereof (AREA)
Abstract
A typewriter ribbon or the like is made of woven fabric formed of high tenacity regenerated cellulose yarns that are made by stretching and later saponifying yarns of an organic ester of cellulose, the fabric being shrunk by treating it with an aqueous solution of an alkali metal hydroxide, and then impregnated with a ribbon-inking composition. The inked ribbon may be used in a cash register, adding-machine, or similar machine. A 4-12 per cent solution of caustic soda at 15-25 DEG C. may be used and the fabric may be immersed for 2-60 minutes, and then rinsed, scoured, and dried. Alternatively, the fabric may be padded with the alkali solution. The fabric may be woven as a ribbon of the required width, or a wide fabric may be subjected to the shrinking treatment and then slit to the desired width. The edges of such a slit ribbon may be coated with gums, resins, cellulose esters, or cellulose ethers, applied as a solution, to prevent ravelling. Shrinking may be effected after slitting a wide fabric into ribbons. Wide or narrow fabric may be woven from the stretched cellulose ester yarns and saponification may be conducted on the wide or narrow fabric. Yarns which have been stretched to 2000 per cent of their original length may be used. Organic or inorganic alkaline substances in aqueous or alcoholic solutions may be used for the saponification and the temperature may be 20-100 DEG C. Sodium hydroxide of 0.1-5.0 per cent strength may be used, if desired with sodium sulphate or acetate. In an example, a narrow ribbon is woven of high tenacity regenerated cellulose yarns obtained by saponifying stretched cellulose acetate yarns. The ribbon is shrunk by treatment with 8 per cent caustic soda solution, and washed and dried. The ribbon is then impregnated with typewriter ink.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US659857A US2467449A (en) | 1946-04-05 | 1946-04-05 | Ribbon |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB630915A true GB630915A (en) | 1949-10-24 |
Family
ID=24647114
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB8820/47A Expired GB630915A (en) | 1946-04-05 | 1947-04-01 | Improvements in or relating to typewriter ribbons and the like |
Country Status (2)
| Country | Link |
|---|---|
| US (1) | US2467449A (en) |
| GB (1) | GB630915A (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3317021A (en) * | 1963-04-02 | 1967-05-02 | Burlington Industries Inc | Ribbons and methods of making same |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US1830620A (en) * | 1930-10-29 | 1931-11-03 | George E Pelton Company | Ink transfer member and method of making same |
| GB380504A (en) * | 1931-06-18 | 1932-09-19 | British Celanese | Improvements in textiles containing cellulose derivatives |
| GB402105A (en) * | 1932-02-19 | 1933-11-20 | Henry Dreyfus | Improvements in processes for the treatment of filaments, threads, fabrics and the like, of organic esters of cellulose |
| US2104237A (en) * | 1936-02-28 | 1938-01-04 | Underwood Elliott Fisher Co | Method of making typewriter ribbons |
| GB501768A (en) * | 1937-09-09 | 1939-03-06 | Albert Mellor | Improvements in or relating to the treatment of artificial filaments, fabrics, films and like materials |
| US2243877A (en) * | 1937-10-14 | 1941-06-03 | Celanese Corp | Production of textile materials |
| GB560378A (en) * | 1941-09-20 | 1944-04-03 | British Celanese | Improvements in imparting shrinkage qualities to textile materials of regenerated cellulose |
-
1946
- 1946-04-05 US US659857A patent/US2467449A/en not_active Expired - Lifetime
-
1947
- 1947-04-01 GB GB8820/47A patent/GB630915A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| US2467449A (en) | 1949-04-19 |
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