IE39089B1 - Improved film fibrillation apparatus - Google Patents
Improved film fibrillation apparatusInfo
- Publication number
- IE39089B1 IE39089B1 IE617/74A IE61774A IE39089B1 IE 39089 B1 IE39089 B1 IE 39089B1 IE 617/74 A IE617/74 A IE 617/74A IE 61774 A IE61774 A IE 61774A IE 39089 B1 IE39089 B1 IE 39089B1
- Authority
- IE
- Ireland
- Prior art keywords
- needles
- roller
- rollers
- film
- drums
- Prior art date
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
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Textile Engineering (AREA)
- Nonwoven Fabrics (AREA)
- Treatment Of Fiber Materials (AREA)
- Preliminary Treatment Of Fibers (AREA)
- Spinning Methods And Devices For Manufacturing Artificial Fibers (AREA)
Abstract
1459398 Fibrillating films SHELL INTERNATIONALE RESEARCH MAATSCHAPPIJ BV 21 March 1974 [23 March 1973] 14208/73 Heading B5B A film, preferably of polyethylene or polypropylene, is fibrillated by passing it under tension through the nip of a pair of contrarotating drums or rollers, each of which is provided with needles projecting from its surface. The needles are so arranged that, during operation, they do not touch each other. The drums or rollers are driven at a peripheral speed greater than the linear film speed, but do not necessarily have the same speed as each other. Means are provided to vary the arc of contact formed by the film with at least one of the drums or rollers. In Fig. 3(a) this means takes the form of allowing the drum 22 to rotate around drum 23. Other means include a feed roller 24 which, as shown in Fig. 3(c), may be moved in a direction other than parallel to the film. Two films may be fibrillated simultaneously as shown in Fig. 3(d). Each film is then provided with an adjustable degree of wrap, for instance by the movable feed rollers 25, 26. Alternatively the films may be fed together as in Fig. 5(a) (not shown). The needle clearance may be provided by causing the needles on one roller to intermesh with those on the other, by keeping the rollers far enough apart to avoid contact, by providing grooves on the roller surface into which the needles of the other roller fit or, similarly, by fixing the needles on axially arranged bars which stand proud of the roller surface leaving a space for the other roller needles to fit. The resulting filaments acquire a crimp if the cutting elements are heated.
[GB1459398A]
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB1420873A GB1459398A (en) | 1973-03-23 | 1973-03-23 | Film fibrillation apparatus |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| IE39089L IE39089L (en) | 1974-09-23 |
| IE39089B1 true IE39089B1 (en) | 1978-08-02 |
Family
ID=10037014
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| IE617/74A IE39089B1 (en) | 1973-03-23 | 1974-03-21 | Improved film fibrillation apparatus |
Country Status (11)
| Country | Link |
|---|---|
| AR (1) | AR202710A1 (en) |
| BE (1) | BE812638A (en) |
| BR (1) | BR7402201D0 (en) |
| CA (1) | CA1028462A (en) |
| CH (1) | CH599360A5 (en) |
| DE (1) | DE2413714A1 (en) |
| FR (1) | FR2222194B1 (en) |
| GB (1) | GB1459398A (en) |
| IE (1) | IE39089B1 (en) |
| IT (1) | IT1009325B (en) |
| ZA (1) | ZA741856B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1582945A (en) * | 1976-07-01 | 1981-01-21 | Univ Surrey | Manufacture of articles made from a water hardenable mass and a reinforcing element |
-
1973
- 1973-03-23 GB GB1420873A patent/GB1459398A/en not_active Expired
-
1974
- 1974-02-26 CA CA193,555A patent/CA1028462A/en not_active Expired
- 1974-03-18 IT IT67829/74A patent/IT1009325B/en active
- 1974-03-21 AR AR252888A patent/AR202710A1/en active
- 1974-03-21 DE DE2413714A patent/DE2413714A1/en not_active Withdrawn
- 1974-03-21 BE BE142282A patent/BE812638A/en not_active IP Right Cessation
- 1974-03-21 IE IE617/74A patent/IE39089B1/en unknown
- 1974-03-21 BR BR2201/74A patent/BR7402201D0/en unknown
- 1974-03-21 CH CH394074A patent/CH599360A5/xx not_active IP Right Cessation
- 1974-03-21 FR FR7409648A patent/FR2222194B1/fr not_active Expired
- 1974-03-21 ZA ZA00741856A patent/ZA741856B/en unknown
Also Published As
| Publication number | Publication date |
|---|---|
| GB1459398A (en) | 1976-12-22 |
| BE812638A (en) | 1974-09-23 |
| BR7402201D0 (en) | 1974-11-05 |
| FR2222194A1 (en) | 1974-10-18 |
| CH599360A5 (en) | 1978-05-31 |
| AU6696374A (en) | 1975-09-25 |
| IT1009325B (en) | 1976-12-10 |
| DE2413714A1 (en) | 1974-09-26 |
| FR2222194B1 (en) | 1976-10-08 |
| AR202710A1 (en) | 1975-07-15 |
| ZA741856B (en) | 1975-02-26 |
| IE39089L (en) | 1974-09-23 |
| CA1028462A (en) | 1978-03-28 |
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