GB1346182A - Textile process and apparatus - Google Patents
Textile process and apparatusInfo
- Publication number
- GB1346182A GB1346182A GB1346182DA GB1346182A GB 1346182 A GB1346182 A GB 1346182A GB 1346182D A GB1346182D A GB 1346182DA GB 1346182 A GB1346182 A GB 1346182A
- Authority
- GB
- United Kingdom
- Prior art keywords
- rollers
- film
- nip
- godet
- fibrillated
- 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
-
- 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
- D01D5/42—Formation of filaments, threads, or the like by cutting films into narrow ribbons or filaments or by fibrillation of films or filaments
- D01D5/423—Formation of filaments, threads, or the like by cutting films into narrow ribbons or filaments or by fibrillation of films or filaments by fibrillation of films or filaments
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C55/00—Shaping by stretching, e.g. drawing through a die; Apparatus therefor
- B29C55/02—Shaping by stretching, e.g. drawing through a die; Apparatus therefor of plates or sheets
- B29C55/04—Shaping by stretching, e.g. drawing through a die; Apparatus therefor of plates or sheets uniaxial, e.g. oblique
- B29C55/06—Shaping by stretching, e.g. drawing through a die; Apparatus therefor of plates or sheets uniaxial, e.g. oblique parallel with the direction of feed
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C55/00—Shaping by stretching, e.g. drawing through a die; Apparatus therefor
- B29C55/02—Shaping by stretching, e.g. drawing through a die; Apparatus therefor of plates or sheets
- B29C55/04—Shaping by stretching, e.g. drawing through a die; Apparatus therefor of plates or sheets uniaxial, e.g. oblique
- B29C55/06—Shaping by stretching, e.g. drawing through a die; Apparatus therefor of plates or sheets uniaxial, e.g. oblique parallel with the direction of feed
- B29C55/065—Shaping by stretching, e.g. drawing through a die; Apparatus therefor of plates or sheets uniaxial, e.g. oblique parallel with the direction of feed in several stretching steps
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Textile Engineering (AREA)
- Yarns And Mechanical Finishing Of Yarns Or Ropes (AREA)
- Spinning Methods And Devices For Manufacturing Artificial Fibers (AREA)
- Treatment Of Fiber Materials (AREA)
- Shaping By String And By Release Of Stress In Plastics And The Like (AREA)
Abstract
1346182 Producing crimped filaments ERNEST SCRAGG & SONS Ltd 15 Feb 1972 [18 Feb 1971] 4910/71 Heading B5B Crimped filaments are produced by fibrillating films which have been passed through the nip of two plain rollers which are at different temperatures. The film is drawn during this passage so that the draw point or region of necking is at or close to the nip. After drawing the film is cooled immediately downstream of the nip and conventionally fibrillated. In the illustrated embodiment the film 10 is supplied via godet rollers 11 to nip rollers 12, 13 which rotate faster than the rollers 11. The rollers are preferably heated internally, roller 12 being hotter than roller 13. The film passes under cooling means 16 to godet rollers 15 and then under heater 17, cooling means 19 to godet rollers 18 which rotate faster than rollers 15 to effect a second stretching. The stretched film is then fibrillated. Temperature conditions are disclosed for rollers 12, 13 for films made of polyamides, polyesters and polypropylene.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB491071 | 1971-02-18 |
Publications (1)
Publication Number | Publication Date |
---|---|
GB1346182A true GB1346182A (en) | 1974-02-06 |
Family
ID=9786167
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB1346182D Expired GB1346182A (en) | 1971-02-18 | 1971-02-18 | Textile process and apparatus |
Country Status (5)
Country | Link |
---|---|
CA (1) | CA954680A (en) |
DE (1) | DE2207157A1 (en) |
FR (1) | FR2125545A1 (en) |
GB (1) | GB1346182A (en) |
NL (1) | NL7202210A (en) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0299560B1 (en) * | 1987-07-14 | 1994-09-14 | Agfa-Gevaert N.V. | Process for making a curled photographic film |
EP0355876B1 (en) * | 1988-07-05 | 1994-03-09 | Agfa-Gevaert N.V. | Process for controlling the curl of photographic film |
US5076977A (en) * | 1990-01-10 | 1991-12-31 | Eastman Kodak Company | Process for controlling curl in polyester film |
-
1971
- 1971-02-18 GB GB1346182D patent/GB1346182A/en not_active Expired
-
1972
- 1972-02-10 CA CA134,420A patent/CA954680A/en not_active Expired
- 1972-02-16 DE DE19722207157 patent/DE2207157A1/en active Pending
- 1972-02-17 FR FR7205322A patent/FR2125545A1/fr not_active Withdrawn
- 1972-02-18 NL NL7202210A patent/NL7202210A/xx unknown
Also Published As
Publication number | Publication date |
---|---|
FR2125545A1 (en) | 1972-09-29 |
NL7202210A (en) | 1972-08-22 |
CA954680A (en) | 1974-09-17 |
DE2207157A1 (en) | 1972-09-07 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PS | Patent sealed | ||
PLNP | Patent lapsed through nonpayment of renewal fees |