GB2086305B - An apparatus for the formation by extrusion of a fibrillated ptfe strand - Google Patents
An apparatus for the formation by extrusion of a fibrillated ptfe strandInfo
- Publication number
- GB2086305B GB2086305B GB8132842A GB8132842A GB2086305B GB 2086305 B GB2086305 B GB 2086305B GB 8132842 A GB8132842 A GB 8132842A GB 8132842 A GB8132842 A GB 8132842A GB 2086305 B GB2086305 B GB 2086305B
- Authority
- GB
- United Kingdom
- Prior art keywords
- extrusion
- formation
- fibrillated ptfe
- strand
- ptfe strand
- 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
- D01F—CHEMICAL FEATURES IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS; APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OF CARBON FILAMENTS
- D01F6/00—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof
- D01F6/02—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof from homopolymers obtained by reactions only involving carbon-to-carbon unsaturated bonds
- D01F6/08—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof from homopolymers obtained by reactions only involving carbon-to-carbon unsaturated bonds from polymers of halogenated hydrocarbons
- D01F6/12—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof from homopolymers obtained by reactions only involving carbon-to-carbon unsaturated bonds from polymers of halogenated hydrocarbons from polymers of fluorinated hydrocarbons
-
- 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
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/022—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor characterised by the choice of material
-
- 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
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/03—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor characterised by the shape of the extruded material at extrusion
- B29C48/05—Filamentary, e.g. strands
-
- 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
-
- 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
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/03—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor characterised by the shape of the extruded material at extrusion
- B29C48/07—Flat, e.g. panels
- B29C48/08—Flat, e.g. panels flexible, e.g. films
-
- 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
- B29K2027/00—Use of polyvinylhalogenides or derivatives thereof as moulding material
- B29K2027/12—Use of polyvinylhalogenides or derivatives thereof as moulding material containing fluorine
- B29K2027/18—PTFE, i.e. polytetrafluorethene, e.g. ePTFE, i.e. expanded polytetrafluorethene
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Textile Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Manufacture Of Porous Articles, And Recovery And Treatment Of Waste Products (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
AT0537180A AT368904B (en) | 1980-10-31 | 1980-10-31 | EXTRUDING DEVICE FOR PRODUCING A FIBRILLED PRE-PRODUCT FROM POLYTETRAFLUOR [THYLENE |
Publications (2)
Publication Number | Publication Date |
---|---|
GB2086305A GB2086305A (en) | 1982-05-12 |
GB2086305B true GB2086305B (en) | 1984-05-02 |
Family
ID=3575053
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB8132842A Expired GB2086305B (en) | 1980-10-31 | 1981-10-30 | An apparatus for the formation by extrusion of a fibrillated ptfe strand |
Country Status (3)
Country | Link |
---|---|
AT (1) | AT368904B (en) |
DE (1) | DE3140755A1 (en) |
GB (1) | GB2086305B (en) |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2190996B (en) * | 1986-05-23 | 1990-07-18 | Michael Anthony West | Article verification |
US5026513A (en) * | 1987-10-19 | 1991-06-25 | W. L. Gore & Associates, Inc. | Process for making rapidly recoverable PTFE |
US4877661A (en) * | 1987-10-19 | 1989-10-31 | W. L. Gore & Associates, Inc. | Rapidly recoverable PTFE and process therefore |
DE4129881C2 (en) * | 1991-09-09 | 1994-03-31 | Gerhard Dr Ing Frey | Self-reinforcing plastic profile |
FR2710286B1 (en) * | 1993-09-22 | 1995-12-08 | Plastic Omnium Cie | Hollow body in fluorinated resin, process for its manufacture and extrusion press for the implementation of the process. |
-
1980
- 1980-10-31 AT AT0537180A patent/AT368904B/en not_active IP Right Cessation
-
1981
- 1981-10-14 DE DE19813140755 patent/DE3140755A1/en not_active Ceased
- 1981-10-30 GB GB8132842A patent/GB2086305B/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
AT368904B (en) | 1982-11-25 |
DE3140755A1 (en) | 1982-05-27 |
ATA537180A (en) | 1982-04-15 |
GB2086305A (en) | 1982-05-12 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PCNP | Patent ceased through non-payment of renewal fee |