BR0318374B1 - Processo para fabricação de filamento de ptfe e um filamento de ptfe obtido por esse processo - Google Patents
Processo para fabricação de filamento de ptfe e um filamento de ptfe obtido por esse processoInfo
- Publication number
- BR0318374B1 BR0318374B1 BRPI0318374-2B1A BR0318374A BR0318374B1 BR 0318374 B1 BR0318374 B1 BR 0318374B1 BR 0318374 A BR0318374 A BR 0318374A BR 0318374 B1 BR0318374 B1 BR 0318374B1
- Authority
- BR
- Brazil
- Prior art keywords
- ptfe filament
- manufacturing
- ptfe
- filament
- filament obtained
- Prior art date
Links
Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61C—DENTISTRY; APPARATUS OR METHODS FOR ORAL OR DENTAL HYGIENE
- A61C15/00—Devices for cleaning between the teeth
- A61C15/04—Dental floss; Floss holders
- A61C15/041—Dental floss
-
- 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
-
- 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
- B29C48/16—Articles comprising two or more components, e.g. co-extruded layers
- B29C48/17—Articles comprising two or more components, e.g. co-extruded layers the components having different colours
-
- 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
- B29C48/16—Articles comprising two or more components, e.g. co-extruded layers
- B29C48/18—Articles comprising two or more components, e.g. co-extruded layers the components being layers
-
- 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
- B29C48/16—Articles comprising two or more components, e.g. co-extruded layers
- B29C48/18—Articles comprising two or more components, e.g. co-extruded layers the components being layers
- B29C48/22—Articles comprising two or more components, e.g. co-extruded layers the components being layers with means connecting the layers, e.g. tie layers or undercuts
-
- 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
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PCT/BR2003/000087 WO2004113050A1 (en) | 2003-06-24 | 2003-06-24 | A process for manufacturing a ptfe filament, and a ptfe filament obtained by this process |
Publications (3)
Publication Number | Publication Date |
---|---|
BR0318374A BR0318374A (pt) | 2006-07-25 |
BR0318374B1 true BR0318374B1 (pt) | 2013-11-12 |
BRPI0318374B8 BRPI0318374B8 (pt) | 2022-11-01 |
Family
ID=33520282
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
BRPI0318374A BRPI0318374B8 (pt) | 2003-06-24 | 2003-06-24 | Processo para fabricação de filamento de ptfe e um filamento de ptfe obtido por esse processo |
Country Status (5)
Country | Link |
---|---|
US (1) | US20080272327A1 (pt) |
AU (1) | AU2003236737A1 (pt) |
BR (1) | BRPI0318374B8 (pt) |
DE (1) | DE10394262B4 (pt) |
WO (1) | WO2004113050A1 (pt) |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
TW200946083A (en) * | 2008-02-08 | 2009-11-16 | Colgate Palmolive Co | Dental floss |
CN102197084A (zh) * | 2008-11-17 | 2011-09-21 | 佛罗里达大学研究基金会公司 | 惰性的耐磨的基于含氟聚合物的固体润滑剂、其制备方法及使用方法 |
US9422642B2 (en) * | 2013-07-29 | 2016-08-23 | Toray Fluorofibers (America), Inc. | Wear polytetrafluoroethylene (PTFE) fiber and method of making same |
CA2922694C (en) * | 2013-08-29 | 2017-12-05 | Teleflex Medical Incorporated | High-strength multi-component suture |
AT517232B1 (de) * | 2015-07-29 | 2016-12-15 | Bachmair Josef | Dichtungsstreifen aus PTFE |
KR102523986B1 (ko) * | 2021-02-15 | 2023-04-21 | 오스템임플란트 주식회사 | 인상재 보관용기 |
Family Cites Families (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE572320C (de) * | 1931-04-02 | 1933-03-14 | Anna Penner Geb Hildebrandt | Tuerschloss, dessen Falle unter Vermittlung eines Federarmes durch eine zugleich auf die Drueckernuss und die Zuhaltung einwirkende Feder in Schliessstellung gehalten wird |
US3303252A (en) * | 1963-03-19 | 1967-02-07 | Philadelphia Insulated Wire Co | Method of forming products extruded from plastic material |
GB1149769A (en) * | 1966-01-03 | 1969-04-23 | Eugen Durrwachter | Process and apparatus for the manufacture of multilayer blocks |
US5033488A (en) * | 1988-03-29 | 1991-07-23 | Colgate-Palmolive Co. | Dental floss |
US5225131A (en) * | 1989-12-07 | 1993-07-06 | Daikin Industries, Ltd. | Process for producing multilayer polytetrafluoroethylene porous membrane and semisintered polytetrafluoroethylene multilayer structure |
US5220932A (en) * | 1990-12-20 | 1993-06-22 | Westone Products Limited | Dental floss and method of making it |
FR2691670B1 (fr) * | 1992-05-26 | 1994-08-26 | Plastic Omnium Cie | Ruban en polytétrafluoroéthylène apte au marquage par laser. |
AT399507B (de) * | 1993-07-30 | 1995-05-26 | Chemiefaser Lenzing Ag | Bikomponentenformkörper aus polytetrafluorethylen (ptfe) und verfahren zu seiner herstellung |
AT399882B (de) * | 1993-11-03 | 1995-08-25 | Chemiefaser Lenzing Ag | Monoaxial verstreckter formkörper aus polytetrafluorethylen und verfahren zu seiner herstellung |
GB9419859D0 (en) * | 1994-10-03 | 1994-11-16 | Westone Prod Ltd | Method and apparatus for forming elongate PTFE material and PTFE material particularly dental floss |
US6220256B1 (en) * | 1997-10-27 | 2001-04-24 | Gore Enterprise Holdings, Inc. | Dental floss holder and improved dental floss |
-
2003
- 2003-06-24 US US10/562,161 patent/US20080272327A1/en not_active Abandoned
- 2003-06-24 AU AU2003236737A patent/AU2003236737A1/en not_active Abandoned
- 2003-06-24 DE DE10394262.9T patent/DE10394262B4/de not_active Expired - Fee Related
- 2003-06-24 WO PCT/BR2003/000087 patent/WO2004113050A1/en active Application Filing
- 2003-06-24 BR BRPI0318374A patent/BRPI0318374B8/pt active IP Right Grant
Also Published As
Publication number | Publication date |
---|---|
BR0318374A (pt) | 2006-07-25 |
DE10394262B4 (de) | 2014-07-10 |
DE10394262T5 (de) | 2006-05-11 |
WO2004113050A1 (en) | 2004-12-29 |
BRPI0318374B8 (pt) | 2022-11-01 |
US20080272327A1 (en) | 2008-11-06 |
AU2003236737A1 (en) | 2005-01-04 |
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Legal Events
Date | Code | Title | Description |
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B07A | Application suspended after technical examination (opinion) [chapter 7.1 patent gazette] | ||
B09A | Decision: intention to grant [chapter 9.1 patent gazette] | ||
B16A | Patent or certificate of addition of invention granted [chapter 16.1 patent gazette] |
Free format text: PRAZO DE VALIDADE: 10 (DEZ) ANOS CONTADOS A PARTIR DE 12/11/2013, OBSERVADAS AS CONDICOES LEGAIS. |
|
B25C | Requirement related to requested transfer of rights | ||
B25B | Requested transfer of rights rejected | ||
B12F | Other appeals [chapter 12.6 patent gazette] | ||
B25L | Entry of change of name and/or headquarter and transfer of application, patent and certificate of addition of invention: publication cancelled |
Free format text: ANULADA A PUBLICACAO CODIGO 25.2 NA RPI NO 2485 DE 21/08/2018 POR TER SIDO INDEVIDA. ANULADO DESPACHO 25.2 PUBLICADO NA RPI 2485 DE 21/08/2018 DEVIDO A DECISAO PUBLICADA NA RPI 2702 DE 18/10/2022. |
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B25A | Requested transfer of rights approved |