BE632328A - - Google Patents
Info
- Publication number
- BE632328A BE632328A BE632328DA BE632328A BE 632328 A BE632328 A BE 632328A BE 632328D A BE632328D A BE 632328DA BE 632328 A BE632328 A BE 632328A
- Authority
- BE
- Belgium
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J3/00—Processes of treating or compounding macromolecular substances
- C08J3/20—Compounding polymers with additives, e.g. colouring
- C08J3/205—Compounding polymers with additives, e.g. colouring in the presence of a continuous liquid phase
- C08J3/21—Compounding polymers with additives, e.g. colouring in the presence of a continuous liquid phase the polymer being premixed with a liquid phase
-
- 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
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L9/00—Rigid pipes
- F16L9/12—Rigid pipes of plastics with or without reinforcement
- F16L9/125—Rigid pipes of plastics with or without reinforcement electrically conducting
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L9/00—Rigid pipes
- F16L9/12—Rigid pipes of plastics with or without reinforcement
- F16L9/127—Rigid pipes of plastics with or without reinforcement the walls consisting of a single layer
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B1/00—Conductors or conductive bodies characterised by the conductive materials; Selection of materials as conductors
- H01B1/20—Conductive material dispersed in non-conductive organic material
- H01B1/24—Conductive material dispersed in non-conductive organic material the conductive material comprising carbon-silicon compounds, carbon or silicon
-
- 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
- B29C48/09—Articles with cross-sections having partially or fully enclosed cavities, e.g. pipes or channels
-
- 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
- B29C48/09—Articles with cross-sections having partially or fully enclosed cavities, e.g. pipes or channels
- B29C48/10—Articles with cross-sections having partially or fully enclosed cavities, e.g. pipes or channels flexible, e.g. blown foils
-
- 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
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2327/00—Characterised by the use of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Derivatives of such polymers
- C08J2327/02—Characterised by the use of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Derivatives of such polymers not modified by chemical after-treatment
- C08J2327/12—Characterised by the use of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Derivatives of such polymers not modified by chemical after-treatment containing fluorine atoms
- C08J2327/18—Homopolymers or copolymers of tetrafluoroethylene
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S55/00—Gas separation
- Y10S55/25—Agglomerators
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Physics & Mathematics (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Dispersion Chemistry (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Health & Medical Sciences (AREA)
- Compositions Of Macromolecular Compounds (AREA)
- Lubricants (AREA)
- Extrusion Moulding Of Plastics Or The Like (AREA)
- Rigid Pipes And Flexible Pipes (AREA)
- Processes Of Treating Macromolecular Substances (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US19659862A | 1962-05-22 | 1962-05-22 |
Publications (1)
Publication Number | Publication Date |
---|---|
BE632328A true BE632328A (xx) | 1900-01-01 |
Family
ID=22726046
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
BE632328D BE632328A (xx) | 1962-05-22 |
Country Status (5)
Country | Link |
---|---|
US (1) | US3473087A (xx) |
BE (1) | BE632328A (xx) |
CH (1) | CH468418A (xx) |
DK (1) | DK111717B (xx) |
GB (1) | GB1037306A (xx) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0730115A1 (de) * | 1995-03-01 | 1996-09-04 | Hüls Aktiengesellschaft | Mehrschichtrohr mit elektrisch leitfähiger Innenschicht |
Families Citing this family (75)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3542633A (en) * | 1968-08-13 | 1970-11-24 | Gen Plastics Corp | Electrically conductive antistick conveyor belt |
US3566860A (en) * | 1968-12-20 | 1971-03-02 | United Aircraft Corp | Carbon-impregnated body electrode |
US3659588A (en) * | 1970-04-08 | 1972-05-02 | Medtronic Inc | Catheter apparatus |
US3718181A (en) * | 1970-08-17 | 1973-02-27 | Du Pont | Plastic heat exchange apparatus |
CA961158A (en) * | 1971-01-08 | 1975-01-14 | Bruce W. Dobras | Optical reader |
US3767971A (en) * | 1971-05-05 | 1973-10-23 | Avco Corp | Static bleed resistor |
FR2194545B1 (xx) * | 1972-08-01 | 1976-01-23 | Viennot Pierre Fr | |
US3828112A (en) * | 1973-03-14 | 1974-08-06 | Moore & Co Samuel | Composite hose for conductive fluid |
US3807391A (en) * | 1973-03-23 | 1974-04-30 | Medical Plastics Inc | Cardiac catheter and shunt electrode |
US6436135B1 (en) | 1974-10-24 | 2002-08-20 | David Goldfarb | Prosthetic vascular graft |
US4208745A (en) * | 1976-01-21 | 1980-06-24 | Sumitomo Electric Industries, Ltd. | Vascular prostheses composed of polytetrafluoroethylene and process for their production |
CA1147087A (en) * | 1977-12-21 | 1983-05-24 | David Goldfarb | Graphite impregnated prosthetic vascular graft materials |
US4247002A (en) * | 1978-01-19 | 1981-01-27 | Horian Richard C | Antistatic record envelope |
US4196464A (en) * | 1978-02-23 | 1980-04-01 | Eaton Corporation | Semi-conductive layer-containing reinforced pressure hose and method of making same |
US4225090A (en) * | 1979-09-07 | 1980-09-30 | Toyota Jidosha Kogyo Kabushiki Kaisha | Device for painting by electrostatic powder spraying |
US4513346A (en) * | 1981-05-10 | 1985-04-23 | General Electric Company | Means to improve the dielectric performance of an insulative conduit with a flow of liquid dielectric coolant therein |
US4772768A (en) * | 1983-03-31 | 1988-09-20 | Nihon Kaiheiki Industrial Company, Ltd. | Small, low-power switch having integral insulating and conductive portions |
US4630789A (en) * | 1983-09-23 | 1986-12-23 | The Boeing Company | Dielectric isolated fuel and hydraulic tubes |
EP0156437B2 (en) * | 1984-03-22 | 1992-01-02 | Akzo N.V. | A liquid coating composition, a method of coating a metal substrate and the metal substrate thus obtained |
US4675780A (en) * | 1985-08-26 | 1987-06-23 | The Gates Rubber Company | Conductive fiber hose |
US4972880A (en) * | 1987-06-15 | 1990-11-27 | Insta-Pipe Research Limited Partnership | Pipe liner |
GB8815977D0 (en) * | 1988-07-05 | 1988-08-10 | British Telecomm | Transmission line ducts |
US5613524A (en) * | 1988-09-08 | 1997-03-25 | Teleflex Incorporated | Fluorocarbon hose assembly including integral foamed fluorocarbon layer |
JPH02229985A (ja) * | 1989-03-01 | 1990-09-12 | Japan Gore Tex Inc | 多機能複合チューブ |
US5170011A (en) * | 1991-09-25 | 1992-12-08 | Teleflex Incorporated | Hose assembly |
JPH085167B2 (ja) * | 1992-01-06 | 1996-01-24 | パイロット インダストリーズ、インコーポレイテッド | フルオロポリマー複合材料製チューブおよびその製造方法 |
US5916404A (en) * | 1992-01-06 | 1999-06-29 | Pilot Industries, Inc. | Fluoropolymer composite tube and method of preparation |
US6517657B1 (en) | 1992-01-06 | 2003-02-11 | Pilot Industries, Inc. | Fluoropolymer composite tube and method of preparation |
US20030168157A1 (en) * | 1992-01-06 | 2003-09-11 | Kuenzel Kenneth J. | Fluoropolymer composite tube and method of preparation |
US5759329A (en) * | 1992-01-06 | 1998-06-02 | Pilot Industries, Inc. | Fluoropolymer composite tube and method of preparation |
DE69325649T2 (de) * | 1992-03-13 | 1999-11-18 | Atrium Medical Corp., Hollis | Gegenstände aus expandiertem fluorpolymer (z. b. polytetrafluorethylen) mit komtrolliert eingestellter porosität, sowie seine herstellung |
JP2578705B2 (ja) * | 1992-03-30 | 1997-02-05 | 東海ゴム工業株式会社 | 燃料配管用樹脂チューブ及びその製造法 |
US5383087A (en) * | 1992-04-14 | 1995-01-17 | Itt Corporation | Multi-layer fuel and vapor tube |
US5884672A (en) * | 1992-04-14 | 1999-03-23 | Itt Industries, Inc. | Multi-layer fuel and vapor tube |
US5284184A (en) * | 1992-04-14 | 1994-02-08 | Itt Corporation | Corrugated multi-layer tubing having at least one fluoroplastic layer |
US5524673A (en) * | 1992-04-14 | 1996-06-11 | Itt Corporation | Multi-layer tubing having electrostatic dissipation for handling hydrocarbon fluids |
US5678611A (en) * | 1992-04-14 | 1997-10-21 | Itt Corporation | Multi-layer fuel and vapor tube |
US6321795B1 (en) * | 1992-04-14 | 2001-11-27 | Itt Industries, Inc. | Multi-layer fuel and vapor tube |
US5865218A (en) * | 1992-04-14 | 1999-02-02 | Itt Corporation | Multi-layer fuel and vapor tube |
US6378562B1 (en) | 1992-04-14 | 2002-04-30 | Itt Industries, Inc. | Multi-layer tubing having electrostatic dissipation for handling hydrocarbon fluids |
US5469892A (en) * | 1992-04-14 | 1995-11-28 | Itt Automotive, Inc. | Corrugated polymeric tubing having at least three layers with at least two respective layers composed of polymeric materials dissimilar to one another |
US5743304A (en) * | 1992-04-14 | 1998-04-28 | Itt Corporation | Multi-layer fuel and vapor tube |
US5460771A (en) * | 1992-10-16 | 1995-10-24 | Itt Corporation | Process for producing corrugated multi-layer tubing having layers of differing plastic characteristics |
US6923805B1 (en) | 1992-11-13 | 2005-08-02 | Scimed Life Systems, Inc. | Electrophysiology energy treatment devices and methods of use |
DE4338758C2 (de) * | 1992-11-13 | 2001-08-09 | Scimed Life Systems Inc | Katheteranordnung |
ATE234164T1 (de) * | 1994-02-23 | 2003-03-15 | Pilot Ind Inc | Verbundrohr aus fluorpolymer und verfahren zu dessen herstellung |
US5520223A (en) * | 1994-05-02 | 1996-05-28 | Itt Industries, Inc. | Extruded multiple plastic layer coating bonded to the outer surface of a metal tube having an optical non-reactive inner layer and process for making the same |
US5590691A (en) * | 1994-05-02 | 1997-01-07 | Itt Corporation | Extruded multiple plastic layer coating bonded to a metal tube |
US5552199A (en) * | 1994-09-02 | 1996-09-03 | Minnesota Mining And Manufacturing Company | Melt-processable electroconductive fluoroplastic |
DE69521709T2 (de) * | 1994-09-23 | 2002-04-25 | Impra Inc., Tempe | Kohlenstoffhaltiges gefässtransplantat und herstellungsverfahren |
US5566720A (en) * | 1995-01-10 | 1996-10-22 | Itt Corporation | Elongated fuel and vapor tube having multiple layers and method of making the same |
US5934336A (en) * | 1996-01-29 | 1999-08-10 | Bundy Corporation | Multi-layer tubing assembly for fluid and vapor handling systems |
US5931201A (en) * | 1996-01-29 | 1999-08-03 | Bundy Corporation | Multi-layer tubing assembly for fluid and vapor handling systems |
US6209587B1 (en) * | 1996-01-29 | 2001-04-03 | Hybritech Polymers | Multi-layer assembly for fluid and vapor handling and containment systems |
US6176268B1 (en) | 1996-01-29 | 2001-01-23 | Hybritech Polymers | Multi-layer assembly for fluid and vapor handling and containment systems |
US6263920B1 (en) * | 1996-01-29 | 2001-07-24 | Hybritech Polymers | Multi-layer assembly for fluid and vapor handling and containment systems |
US6192942B1 (en) * | 1996-01-29 | 2001-02-27 | Hybritech Polymers | Multi-layer tubing assembly for fluid and vapor handling systems |
US6039085A (en) * | 1996-01-29 | 2000-03-21 | Bundy Corporation | Multi-layer tubing assembly with foamed outer layer |
US6012496A (en) * | 1996-01-29 | 2000-01-11 | Hybritech Polymers | Multi-layer tubing assembly for fluid and vapor handling systems |
US6155304A (en) * | 1996-01-29 | 2000-12-05 | Ti Group Automotive Systems Corp. | Reinforced flexible tubing for fluid handling systems and method |
US6130404A (en) * | 1997-03-03 | 2000-10-10 | Itt Automotive, Inc. | Electro-optical removal of plastic layer bonded to a metal tube |
FR2765723B1 (fr) * | 1997-07-01 | 1999-07-30 | Commissariat Energie Atomique | Materiau composite conducteur, materiau obtenu par frittage de celui-ci, plaques bipolaires preparees avec ce dernier, et dispositif de pile a combustible comprenant ces plaques bipolaires |
US6503026B1 (en) | 1997-09-12 | 2003-01-07 | Redi-Therm Insulation, Inc. | Static free method for blowing loose fill insulation |
US6180197B1 (en) | 1998-02-13 | 2001-01-30 | Itt Manufacturing Enterprises, Inc. | Multi-layer tubing having at least one intermediate layer formed from a polyamide/polyketone alloy |
US6257281B1 (en) | 1998-02-13 | 2001-07-10 | Itt Manufacturing Enterprises, Inc. | Multi-layer tubing having at least one intermediate layer formed from a polyamide alloy |
US5960977A (en) * | 1998-05-14 | 1999-10-05 | Itt Manufacturing Enterprises, Inc. | Corrugated polymeric filler neck tubing |
US6171492B1 (en) | 1999-02-04 | 2001-01-09 | Purolator Products Company | Filter for liquid fuel |
US6240970B1 (en) | 1999-04-01 | 2001-06-05 | Itt Manufacturing Enterprises, Inc. | Tubing for handling hydrocarbon materials and having an outer jacket layer adhered thereto |
US6276400B1 (en) | 1999-06-08 | 2001-08-21 | Itt Manufacturing Enterprises, Inc. | Corrosion resistant powder coated metal tube and process for making the same |
US6293312B1 (en) | 2000-05-23 | 2001-09-25 | Dayco Products, Inc. | Thermoplastic tubing |
US20050155662A1 (en) * | 2002-06-03 | 2005-07-21 | Tao Nie | Low-cost, low permeation multi-layer tubing having intermediate polymeric alloy layer |
US6823898B1 (en) | 2002-06-03 | 2004-11-30 | Itt Manufacturing Enterprises, Inc. | Low cost, low permeation multi-layer tubing |
US7357968B2 (en) * | 2002-09-27 | 2008-04-15 | Itt Manufacturing Enterprises, Inc. | Reinforced, high pressure, low permeation multilayer hose |
EP1682803A1 (de) | 2003-11-12 | 2006-07-26 | Huber+Suhner Ag | Schlauch zur förderung von elektrostatische aufladungen erzeugenden, insbesondere pulverförmigen medien |
DE102007022520A1 (de) * | 2007-05-14 | 2008-11-20 | Siemens Ag | Kühlmittelschlauch |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US1901330A (en) * | 1930-03-20 | 1933-03-14 | Superflexit | Fluid-conductive hose |
US2108759A (en) * | 1937-01-25 | 1938-02-15 | Gates Rubber Co | Antistatic gasoline dispensing nozzle |
BE504311A (xx) * | 1950-06-30 | 1900-01-01 | ||
US2752637A (en) * | 1954-07-01 | 1956-07-03 | Resistoflex Corp | Extrusion of polytetrafluoroethylene |
US2907103A (en) * | 1957-01-07 | 1959-10-06 | Douglas R Lewis | Method of making an internally lined pipe |
US2961712A (en) * | 1957-07-10 | 1960-11-29 | Polymer Corp | Method of making filled polytetrafluoroethylene articles |
US3070132A (en) * | 1960-04-06 | 1962-12-25 | David S Sheridan | Non-sparking medico-surgical tubes |
US3166688A (en) * | 1962-11-14 | 1965-01-19 | Ronald P Rowand | Polytetrafluoroethylene tubing having electrically conductive properties |
-
0
- BE BE632328D patent/BE632328A/xx unknown
-
1962
- 1962-05-22 US US196598A patent/US3473087A/en not_active Expired - Lifetime
-
1963
- 1963-05-16 CH CH615563A patent/CH468418A/de unknown
- 1963-05-21 GB GB20133/63A patent/GB1037306A/en not_active Expired
-
1965
- 1965-05-19 DK DK251465AA patent/DK111717B/da unknown
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0730115A1 (de) * | 1995-03-01 | 1996-09-04 | Hüls Aktiengesellschaft | Mehrschichtrohr mit elektrisch leitfähiger Innenschicht |
US6090459A (en) * | 1995-03-01 | 2000-07-18 | Huels Aktiengesellschaft | Multilayer plastic composition having an electrically conductive inner layer |
US6428866B1 (en) | 1995-03-01 | 2002-08-06 | Degussa-Huels Aktiengesellschaft | Multilayer plastic composition having an electrically conductive inner layer |
Also Published As
Publication number | Publication date |
---|---|
GB1037306A (en) | 1966-07-27 |
DK111717B (da) | 1968-09-30 |
US3473087A (en) | 1969-10-14 |
DE1454862A1 (de) | 1969-10-09 |
DE1454862B2 (de) | 1973-02-01 |
CH468418A (de) | 1969-02-15 |