GB1260837A - The manufacture of filaments, fibres and yarns - Google Patents
The manufacture of filaments, fibres and yarnsInfo
- Publication number
- GB1260837A GB1260837A GB1752268A GB1752268A GB1260837A GB 1260837 A GB1260837 A GB 1260837A GB 1752268 A GB1752268 A GB 1752268A GB 1752268 A GB1752268 A GB 1752268A GB 1260837 A GB1260837 A GB 1260837A
- Authority
- GB
- United Kingdom
- Prior art keywords
- web
- ridges
- fibres
- fibrillation
- film
- 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
- B29C43/00—Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor
- B29C43/22—Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor of articles of indefinite length
- B29C43/222—Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor of articles of indefinite length characterised by the shape of the surface
-
- 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
- B29C43/00—Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor
- B29C43/32—Component parts, details or accessories; Auxiliary operations
- B29C43/44—Compression means for making articles of indefinite length
- B29C43/46—Rollers
-
- 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
- B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
- B29K2023/00—Use of polyalkenes or derivatives thereof as moulding material
- B29K2023/10—Polymers of propylene
- B29K2023/12—PP, i.e. polypropylene
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Textile Engineering (AREA)
- Artificial Filaments (AREA)
Abstract
1,260,837. Film fibrillation. SHELL INTERNATIONALE RESEARCH MAATSCHAPPIJ N.V. 26 March, 1969 [11 April, 1968], No. 17522/68. Heading B5B. Artificial fibres are made by profiling a film web of a molecularly-orientable synthetic organic thermoplastic polymer by impressing into a surface thereof a plurality of longitudinally extending grooves disposed in close but spaced apart relationship and stretching the profiled film web to effect longitudinal orientation thereof at a stretch ratio sufficiently high to render the film web fibrillatable and subjecting the stretched film web to a fibrillation treatment, the grooves being formed by passing the film web at a temperature below the crystalline melting point of the polymer through the nip formed between two contra-rotating cylindrical elements having non-yielding surfaces, at least one of the cylindrical elements having a plurality of closely-spaced parallel surface ridges, each ridge having inwardly directed sides leading to peaks which are rounded off to a small radius. The pitch of the ridges may be within the range 0À003 to 0À05 inch and the depth of the troughs formed between adjacent ridges may be within the range 0À002 to 0À02 inch. Both surfaces of the film web may be impressed with the grooves by passage through the nip formed between two cylindrical elements each of which has ridges of identical profile and pitch, the cylindrical elements being positioned in such a manner that the peaks of the ridges of one element are opposite those of the other. The film web may be preheated prior to contacting the cylindrical elements and the preheated web may be formed by the blown-film technique in a preceding stage of the process. The fibrillation treatment may comprise an air blast treatment effected by passing the stretched web through an elongated passage of restricted cross-section through which a current of air flows at a high velocity in the direction of travel of the web. The web may consist of a laminate of two or more polymer films which differ in chemical and/or physical properties. The laminate may be formed by feeding two or more separate films in superimposed relationship to the nip. A heat transfer medium may be circulated through one or both elements to maintain them at a desired surface temperature. The cylindrical elements may be of steel. The filaments produced by fibrillation may be cut to form staple fibres which may be twisted into a yarn. The ridges may be divided lengthwise into two or more sections separated by short unridged portions of the peripheral surface of the elements, the unridged portions being in staggered relationship across the width thereof whereby the fibres resulting from the fibrillation step are incompletely separated from one another. The fibrillation step may comprise a twisting operation which yields the resulting fibres in the form of a yarn. The film webs used in the process of the invention may consist of polypropylene, high density polyethylene or a nylon. The term "polymer" is used in the Specification to include a polymer composition. The individual fibres of the invention may have a denier of, for example 5 to 90 and a tenacity of, for example, up to 7 grams per denier.
Priority Applications (23)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB1752268A GB1260837A (en) | 1968-04-11 | 1968-04-11 | The manufacture of filaments, fibres and yarns |
DE1917822A DE1917822C3 (en) | 1968-04-10 | 1969-04-08 | Method and apparatus for the production of fine filaments |
CH529269A CH520216A (en) | 1968-04-10 | 1969-04-08 | Method and device for the production of synthetic fibers |
FR6910744A FR2007423A1 (en) | 1968-04-10 | 1969-04-08 | Fibre prodn. from polypropylene and polyethylene films - by fibrillation |
CA048,101A CA1046722A (en) | 1968-04-10 | 1969-04-08 | Manufacture of synthetic fibres and yarns |
AT340669A AT331957B (en) | 1968-04-10 | 1969-04-08 | METHOD AND DEVICE FOR MANUFACTURING SYNTHETIC FIBERS |
DK191669A DK134441C (en) | 1968-04-10 | 1969-04-08 | METHOD AND APPARATUS FOR THE PRODUCTION OF SYNTHETIC FIBREVED PROFILING AND DISTRIBUTION OF FILMS |
JP2680269A JPS50973B1 (en) | 1968-04-10 | 1969-04-08 | |
FI101469A FI50540C (en) | 1968-04-10 | 1969-04-08 | Method and apparatus for making synthetic fibers |
BE731190D BE731190A (en) | 1968-04-10 | 1969-04-08 | |
NL6905427A NL6905427A (en) | 1968-04-10 | 1969-04-09 | |
IE46669A IE32769B1 (en) | 1968-04-10 | 1969-04-09 | Manufacture of synthetic fibres and yarns |
MX100266U MX3205E (en) | 1968-04-10 | 1969-04-10 | IMPROVED MACHINE FOR THE MANUFACTURE OF SYNTHETIC FIBERS |
DE19702031338 DE2031338C3 (en) | 1968-04-10 | 1970-06-24 | Device for the production of fine filaments |
FR7023319A FR2047955A2 (en) | 1968-04-10 | 1970-06-24 | Synthetic fibres from profiled film |
CH956670A CH568414A5 (en) | 1968-04-10 | 1970-06-24 | |
FR7023318A FR2054589A2 (en) | 1968-04-10 | 1970-06-24 | Synthetic fibres from profiled polymer webs |
DE2031304A DE2031304C3 (en) | 1968-04-10 | 1970-06-24 | Method and apparatus for the production of fine filaments |
BE752460D BE752460R (en) | 1968-04-10 | 1970-06-24 | FIBER AND YARN MANUFACTURING |
NL7009252A NL7009252A (en) | 1968-04-10 | 1970-06-24 | |
BE752461D BE752461R (en) | 1968-04-10 | 1970-06-24 | FIBER AND YARN MANUFACTURING |
CH956570A CH568413A5 (en) | 1968-04-10 | 1970-06-24 | |
NL7009253A NL7009253A (en) | 1968-04-10 | 1970-06-24 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB1752268A GB1260837A (en) | 1968-04-11 | 1968-04-11 | The manufacture of filaments, fibres and yarns |
Publications (1)
Publication Number | Publication Date |
---|---|
GB1260837A true GB1260837A (en) | 1972-01-19 |
Family
ID=10096664
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB1752268A Expired GB1260837A (en) | 1968-04-10 | 1968-04-11 | The manufacture of filaments, fibres and yarns |
Country Status (1)
Country | Link |
---|---|
GB (1) | GB1260837A (en) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4814131A (en) * | 1987-07-02 | 1989-03-21 | Atlas Sheldon M | Process for producing a shaped article, such as fiber composed of a hydrophobic polymer and a hydrophilic polymer |
US5759926A (en) | 1995-06-07 | 1998-06-02 | Kimberly-Clark Worldwide, Inc. | Fine denier fibers and fabrics made therefrom |
US6624100B1 (en) | 1995-11-30 | 2003-09-23 | Kimberly-Clark Worldwide, Inc. | Microfiber nonwoven web laminates |
-
1968
- 1968-04-11 GB GB1752268A patent/GB1260837A/en not_active Expired
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4814131A (en) * | 1987-07-02 | 1989-03-21 | Atlas Sheldon M | Process for producing a shaped article, such as fiber composed of a hydrophobic polymer and a hydrophilic polymer |
US5759926A (en) | 1995-06-07 | 1998-06-02 | Kimberly-Clark Worldwide, Inc. | Fine denier fibers and fabrics made therefrom |
US6624100B1 (en) | 1995-11-30 | 2003-09-23 | Kimberly-Clark Worldwide, Inc. | Microfiber nonwoven web laminates |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PS | Patent sealed | ||
PE20 | Patent expired after termination of 20 years |