US20020080624A1 - Fiber optic pool lighting apparatus - Google Patents
Fiber optic pool lighting apparatus Download PDFInfo
- Publication number
- US20020080624A1 US20020080624A1 US09/749,052 US74905200A US2002080624A1 US 20020080624 A1 US20020080624 A1 US 20020080624A1 US 74905200 A US74905200 A US 74905200A US 2002080624 A1 US2002080624 A1 US 2002080624A1
- Authority
- US
- United States
- Prior art keywords
- lens
- fiber optic
- fixture
- pool
- light emitting
- 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.)
- Granted
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Classifications
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/0001—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems
- G02B6/0005—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems the light guides being of the fibre type
- G02B6/0008—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems the light guides being of the fibre type the light being emitted at the end of the fibre
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
- F21S8/00—Lighting devices intended for fixed installation
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V31/00—Gas-tight or water-tight arrangements
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V9/00—Elements for modifying spectral properties, polarisation or intensity of the light emitted, e.g. filters
- F21V9/08—Elements for modifying spectral properties, polarisation or intensity of the light emitted, e.g. filters for producing coloured light, e.g. monochromatic; for reducing intensity of light
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21W—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO USES OR APPLICATIONS OF LIGHTING DEVICES OR SYSTEMS
- F21W2131/00—Use or application of lighting devices or systems not provided for in codes F21W2102/00-F21W2121/00
- F21W2131/40—Lighting for industrial, commercial, recreational or military use
- F21W2131/401—Lighting for industrial, commercial, recreational or military use for swimming pools
Definitions
- This invention relates generally to the field of pool lighting fixtures, and more particularly to a fiber optic pool lighting fixture, and specifically to a pool lighting apparatus wherein a lens assembly is sealed to the end of a fiber optic cable and further sealed within a fixture installed in a pool wall.
- a variety of lighting devices are known for supplying light to a pool.
- the term pool is used herein to include swimming pools, spas, hot tubs, and the like.
- Perhaps the most common type of pool lighting fixture is an incandescent lamp sealed within a fixture installed in the wall of the pool.
- Incandescent lamps generally produce a significant amount of heat energy which must be dissipated in order to prevent damage to the lighting fixture and surrounding materials.
- Incandescent lamps also generally require the use of high voltage electricity which may pose a safety concern for users of the pool.
- Fiber optic light sources are capable of providing a variety of lighting effects within or near a pool without the heat or safety concerns of incandescent lamps, since the illuminating bulb for a fiber optic lighting system may be located remote from the pool area. It is known to provide side-emitting fiber optic cables along the coping of a pool to provide a general area lighting effect. It is also known to utilize end-emitting fiber optic cables as point sources of light disposed in a fitting along a pool wall. Such prior art fiber optic lighting fixtures generally include a device for holding the light emitting end of a fiber optic cable proximate a protective plastic shield within an aperture in a pool wall.
- prior art fiber optic lighting devices are generally designed to have a single elastomeric gasket compressed between the protective shield and the lighting fixture for preventing the leakage of pool water past the fixture.
- Such prior art devices are known to require periodic maintenance in order to replace the protective plastic shield which will degrade due to the corrosive action of chlorine or other chemicals within the pool water.
- a pool lighting apparatus including a fixture adapted to be sealed into an opening in a pool, the fixture having an aperture formed there through; a fiber optic light source comprising a fiber optic cable having a length adapted for passing into the fixture aperture and having a light emitting end; a lens assembly attached to the fiber optic cable, the lens assembly comprising a lens disposed proximate the light emitting end for receiving light from the light emitting end and transmitting the light into the pool; and the lens assembly further comprising a first seal apparatus for preventing the introduction of water between the light emitting end and the lens from outside the lens assembly.
- the lens assembly may include a connector comprising a body having an aperture with a first elastomeric seal disposed therein for receiving the fiber optic cable and a nut adapted to be threaded onto the body for compression of the first elastomeric seal around the fiber optic cable proximate the light emitting end; and a lens holder sealed to the lens and adapted for a threaded engagement with the connector body with a first seal disposed there between for positioning the light emitting end proximate the lens and for preventing the introduction of water between the light emitting end and the lens.
- FIG. 1 is an exploded view of a fiber optic pool lighting apparatus adapted for installation in a concrete or gunite pool.
- FIG. 2 is an exploded illustration of a fiber optic pool lighting apparatus adapted for installation in a vinyl pool.
- the pool lighting apparatus 10 adapted for installation in the wall of a concrete or gunite pool 12 .
- the pool lighting apparatus 10 includes a fixture 14 adapted to be sealed into an opening in a pool wall 12 .
- the fixture 14 has an aperture 16 formed there through which is adapted to be aligned with the end of a protective tube 18 which may be installed under ground next to the pool 12 .
- a fiber optic cable 20 forms part of a fiber optic light source 22 for delivering light to the pool 12 .
- the high voltage, high temperature portions of fiber optic light source 22 may be located remote from the pool, as is known in the prior art, with the fiber optic cable 20 having a length passing through the protective tube 18 and into the fixture aperture 16 .
- a fiber tight connector 24 is attached to the fiber optic cable 20 proximate a light emitting end 26 of the fiber optic cable 20 .
- the connector 24 includes a body portion 28 having an aperture with an elastomeric seal 29 disposed therein.
- One such connector known in the art is provided by Hayward Pool Products, Inc. under part number SP-1408.
- Connector 24 further includes a nut 30 adapted to be threaded onto the body portion 28 for compression of the elastomeric seal around the fiber optic cable 20 . This compression fitting prevents the passage of water through the aperture of the connector 24 between the fiber optic cable 20 and the connector body 28 .
- a cutting ring 32 is disposed about the fiber optic cable 20 and may be formed to have a body portion 34 that may be press fit into a receiving aperture formed in body 28 of connector 24 .
- Cutting ring 32 further includes a flat surface 36 adapted for guiding a hot knife or other cutting tool 38 for creating a smooth, planer surface on light emitting end 26 .
- Cutting ring 32 is preferably formed of a metal or other heat resistant material.
- a lens 42 is sealed to a lens holder 44 , such as by gluing or sealing with silicone or other waterproof material.
- Lens holder 44 includes threads 46 formed on an inside diameter surface adapted for threaded engagement with mating threads 48 formed on connector 24 .
- An O-ring 50 or other form of seal is disposed between the lens holder 44 and the connector body 28 for preventing the introduction of water between the light emitting end 26 and the lens 42 .
- a sealed lens assembly 52 is formed for positioning the light emitting end 26 of a fiber optic cable 20 proximate a lens 42 .
- the lens assembly 52 may be assembled poolside by pulling an excess length of fiber optic cable 20 through fitting 14 so that the light emitting end 26 extends well above the surface of the water in pool 12 .
- the various components of lens assembly 52 may then be assembled, and the entire lens assembly 52 then moved into position in fixture 14 .
- a second seal apparatus 54 may be assembled for preventing the passage of water through the fixture aperture 16 between the lens assembly 52 and the fixture 14 .
- This second seal apparatus 54 may include a lens nut 56 adapted for a threaded engagement with the fixture 14 to compress a first gasket 58 between the lens nut 56 and fitting 14 , and a second gasket 60 between the lens nut 56 and one of the lens 42 and/or lens holder 44 .
- An O-ring seal 62 disposed proximate a rear portion of lens holder 44 is also compressed against fixture 14 as lens nut 56 is tightened thereto.
- redundant seals are provided against the passage of water through aperture 16 around lens assembly 52 .
- a first barrier is formed by the combination of seals 58 , 60
- a second barrier is formed by seal 62 .
- Lens 42 may preferably be formed of glass in order to withstand the deleterious effects of pool water and sunlight.
- Lens 42 may be formed to be flat, convex or concave in shape in order to obtain a desired lighting effect.
- a protective cover such as film 64 may be applied to the outside surface of lens 42 to provide increased resistance against scratching during the assembly process.
- Such protective cover 62 may be removed upon the completion of the installation process.
- cover 62 may be formed as a color filter and may remain in place after installation to provide a color effect to the light.
- a plurality of different protective covers 64 may be provided in a plurality of different colors. Replacement of the protective cover 64 may be accomplished in a dry environment by simply removing lens nut 56 and pulling lens assembly 52 to above the water level. Lens nut 56 may be tightened and loosened by using a form of a spanner wrench 66 as is known in the art.
- FIG. 2 illustrates a pool lighting apparatus 70 adapted for installation in a wall of a vinyl pool 72 .
- Most of the components of pool lighting apparatus 70 are identical to the pool lighting apparatus 10 of FIG. 1, as is seen by the components marked with identical numerals.
- Fixture assembly 74 includes a face plate 76 , fitting 78 , and lock nut 80 . Face plate 76 is affixed to fitting 78 with a plurality of screws 82 for compressing rubber O-ring 84 .
- One such fixture assembly 74 is provided by Hayward Pool Products, Inc. under part number SP-1408. In this manner, the pool lighting apparatus of the present invention may be applied to any known type of pool construction.
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- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Arrangement Of Elements, Cooling, Sealing, Or The Like Of Lighting Devices (AREA)
Abstract
Description
- This application claims the benefit of the Mar. 17, 2000, filing date of U.S. provisional patent application No. 60/190,432.
- This invention relates generally to the field of pool lighting fixtures, and more particularly to a fiber optic pool lighting fixture, and specifically to a pool lighting apparatus wherein a lens assembly is sealed to the end of a fiber optic cable and further sealed within a fixture installed in a pool wall.
- A variety of lighting devices are known for supplying light to a pool. The term pool is used herein to include swimming pools, spas, hot tubs, and the like. Perhaps the most common type of pool lighting fixture is an incandescent lamp sealed within a fixture installed in the wall of the pool. Incandescent lamps generally produce a significant amount of heat energy which must be dissipated in order to prevent damage to the lighting fixture and surrounding materials. Incandescent lamps also generally require the use of high voltage electricity which may pose a safety concern for users of the pool.
- Fiber optic light sources are capable of providing a variety of lighting effects within or near a pool without the heat or safety concerns of incandescent lamps, since the illuminating bulb for a fiber optic lighting system may be located remote from the pool area. It is known to provide side-emitting fiber optic cables along the coping of a pool to provide a general area lighting effect. It is also known to utilize end-emitting fiber optic cables as point sources of light disposed in a fitting along a pool wall. Such prior art fiber optic lighting fixtures generally include a device for holding the light emitting end of a fiber optic cable proximate a protective plastic shield within an aperture in a pool wall. Because there is no concern for heat dissipation or electrical safety, such prior art fiber optic lighting devices are generally designed to have a single elastomeric gasket compressed between the protective shield and the lighting fixture for preventing the leakage of pool water past the fixture. Such prior art devices are known to require periodic maintenance in order to replace the protective plastic shield which will degrade due to the corrosive action of chlorine or other chemicals within the pool water.
- Accordingly, what is needed is an improved fiber optic lighting fixture that will require a lower amount of maintenance and that will provide an improved barrier to leakage into or out of the pool.
- Accordingly, a pool lighting apparatus is described herein as including a fixture adapted to be sealed into an opening in a pool, the fixture having an aperture formed there through; a fiber optic light source comprising a fiber optic cable having a length adapted for passing into the fixture aperture and having a light emitting end; a lens assembly attached to the fiber optic cable, the lens assembly comprising a lens disposed proximate the light emitting end for receiving light from the light emitting end and transmitting the light into the pool; and the lens assembly further comprising a first seal apparatus for preventing the introduction of water between the light emitting end and the lens from outside the lens assembly.
- The lens assembly may include a connector comprising a body having an aperture with a first elastomeric seal disposed therein for receiving the fiber optic cable and a nut adapted to be threaded onto the body for compression of the first elastomeric seal around the fiber optic cable proximate the light emitting end; and a lens holder sealed to the lens and adapted for a threaded engagement with the connector body with a first seal disposed there between for positioning the light emitting end proximate the lens and for preventing the introduction of water between the light emitting end and the lens.
- The above mentioned and other features and advantages of this invention will become more apparent and the invention will be better understood by reference to the following description when taken in conjunction with the accompanying drawings, wherein;
- FIG. 1 is an exploded view of a fiber optic pool lighting apparatus adapted for installation in a concrete or gunite pool.
- FIG. 2 is an exploded illustration of a fiber optic pool lighting apparatus adapted for installation in a vinyl pool.
- In the description which follows, similar parts are marked throughout the specification and drawings with the same reference numerals respectively.
- Referring now to FIG. 1, there is illustrated a
pool lighting apparatus 10 adapted for installation in the wall of a concrete orgunite pool 12. Thepool lighting apparatus 10 includes afixture 14 adapted to be sealed into an opening in apool wall 12. Thefixture 14 has an aperture 16 formed there through which is adapted to be aligned with the end of aprotective tube 18 which may be installed under ground next to thepool 12. A fiberoptic cable 20 forms part of a fiber optic light source 22 for delivering light to thepool 12. The high voltage, high temperature portions of fiber optic light source 22 may be located remote from the pool, as is known in the prior art, with the fiberoptic cable 20 having a length passing through theprotective tube 18 and into the fixture aperture 16. - A fiber
tight connector 24 is attached to the fiberoptic cable 20 proximate alight emitting end 26 of the fiberoptic cable 20. Theconnector 24 includes abody portion 28 having an aperture with anelastomeric seal 29 disposed therein. One such connector known in the art is provided by Hayward Pool Products, Inc. under part number SP-1408.Connector 24 further includes anut 30 adapted to be threaded onto thebody portion 28 for compression of the elastomeric seal around the fiberoptic cable 20. This compression fitting prevents the passage of water through the aperture of theconnector 24 between the fiberoptic cable 20 and theconnector body 28. - A
cutting ring 32 is disposed about the fiberoptic cable 20 and may be formed to have abody portion 34 that may be press fit into a receiving aperture formed inbody 28 ofconnector 24.Cutting ring 32 further includes aflat surface 36 adapted for guiding a hot knife orother cutting tool 38 for creating a smooth, planer surface onlight emitting end 26.Cutting ring 32 is preferably formed of a metal or other heat resistant material. - A
lens 42 is sealed to alens holder 44, such as by gluing or sealing with silicone or other waterproof material.Lens holder 44 includesthreads 46 formed on an inside diameter surface adapted for threaded engagement withmating threads 48 formed onconnector 24. In this manner, thelight emitting end 26 of fiberoptic cable 20 is positionedproximate lens 42 so that light transmitted from thelight emitting end 26 may pass throughlens 42 and intopool 12. An O-ring 50 or other form of seal is disposed between thelens holder 44 and theconnector body 28 for preventing the introduction of water between thelight emitting end 26 and thelens 42. In this manner, a sealed lens assembly 52 is formed for positioning thelight emitting end 26 of a fiberoptic cable 20 proximate alens 42. - The lens assembly52 may be assembled poolside by pulling an excess length of fiber
optic cable 20 through fitting 14 so that thelight emitting end 26 extends well above the surface of the water inpool 12. The various components of lens assembly 52 may then be assembled, and the entire lens assembly 52 then moved into position infixture 14. Once lens assembly 52 is inserted intofixture 14, asecond seal apparatus 54 may be assembled for preventing the passage of water through the fixture aperture 16 between the lens assembly 52 and thefixture 14. Thissecond seal apparatus 54 may include alens nut 56 adapted for a threaded engagement with thefixture 14 to compress afirst gasket 58 between thelens nut 56 and fitting 14, and asecond gasket 60 between thelens nut 56 and one of thelens 42 and/orlens holder 44. An O-ring seal 62 disposed proximate a rear portion oflens holder 44 is also compressed againstfixture 14 aslens nut 56 is tightened thereto. Thus, redundant seals are provided against the passage of water through aperture 16 around lens assembly 52. A first barrier is formed by the combination ofseals seal 62. -
Lens 42 may preferably be formed of glass in order to withstand the deleterious effects of pool water and sunlight.Lens 42 may be formed to be flat, convex or concave in shape in order to obtain a desired lighting effect. A protective cover such asfilm 64 may be applied to the outside surface oflens 42 to provide increased resistance against scratching during the assembly process. Suchprotective cover 62 may be removed upon the completion of the installation process. Alternatively,cover 62 may be formed as a color filter and may remain in place after installation to provide a color effect to the light. For such an embodiment, a plurality of differentprotective covers 64 may be provided in a plurality of different colors. Replacement of theprotective cover 64 may be accomplished in a dry environment by simply removinglens nut 56 and pulling lens assembly 52 to above the water level.Lens nut 56 may be tightened and loosened by using a form of a spanner wrench 66 as is known in the art. - FIG. 2 illustrates a
pool lighting apparatus 70 adapted for installation in a wall of avinyl pool 72. Most of the components ofpool lighting apparatus 70 are identical to thepool lighting apparatus 10 of FIG. 1, as is seen by the components marked with identical numerals. For application to avinyl pool 72, a different type offixture assembly 74 is needed to form a sealed connection to thevinyl pool wall 72.Fixture assembly 74 includes aface plate 76, fitting 78, andlock nut 80.Face plate 76 is affixed to fitting 78 with a plurality of screws 82 for compressing rubber O-ring 84. Onesuch fixture assembly 74 is provided by Hayward Pool Products, Inc. under part number SP-1408. In this manner, the pool lighting apparatus of the present invention may be applied to any known type of pool construction. - While the preferred embodiments of the present invention have been shown and described herein, it will be obvious that such embodiments are provided by way of example only. Numerous variations, changes and substitutions will occur to those of skill in the art without departing from the invention herein. Accordingly, it is intended that the invention be limited only by the spirit and scope of the appended claims.
Claims (15)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US09/749,052 US6398397B1 (en) | 2000-03-17 | 2000-12-27 | Fiber optic pool lighting apparatus |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US19043200P | 2000-03-17 | 2000-03-17 | |
US09/749,052 US6398397B1 (en) | 2000-03-17 | 2000-12-27 | Fiber optic pool lighting apparatus |
Publications (2)
Publication Number | Publication Date |
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US6398397B1 US6398397B1 (en) | 2002-06-04 |
US20020080624A1 true US20020080624A1 (en) | 2002-06-27 |
Family
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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US09/749,052 Expired - Lifetime US6398397B1 (en) | 2000-03-17 | 2000-12-27 | Fiber optic pool lighting apparatus |
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US (1) | US6398397B1 (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP3049718A4 (en) * | 2013-09-27 | 2017-10-11 | Hayward Industries, Inc. | Light with expanding compression member |
Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7204602B2 (en) * | 2001-09-07 | 2007-04-17 | Super Vision International, Inc. | Light emitting diode pool assembly |
US6798154B1 (en) * | 2001-09-24 | 2004-09-28 | Challen Sullivan | Digital pool light |
US20060002105A1 (en) * | 2004-07-02 | 2006-01-05 | B&S Plastics, Inc. Dba Waterway Plastics | LED-illuminated spa jet |
US7217022B2 (en) * | 2004-08-31 | 2007-05-15 | Opto Technology, Inc. | Optic fiber LED light source |
US7372014B1 (en) * | 2004-09-23 | 2008-05-13 | Industrial Service Technology, Inc. | Corrosion-proof pool deck connector system |
US8022641B2 (en) * | 2009-05-01 | 2011-09-20 | Focal Point, L.L.C. | Recessed LED down light |
US10139064B2 (en) * | 2016-11-02 | 2018-11-27 | Ryden Rizzo | Lighting cover adapter for glass globes |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4587599A (en) * | 1984-09-12 | 1986-05-06 | St Hilaire Normand | Porthole assembly for a swimming-pool wall |
US4782430A (en) | 1986-07-22 | 1988-11-01 | Lumenyte Corporation | Light conduit illumination system for underwater lighting |
US5170517A (en) | 1991-01-18 | 1992-12-15 | Stegmeier William J | Support for perimeter extending pool lighting |
US5887295A (en) | 1997-08-14 | 1999-03-30 | Fort Wayne Plastics, Inc. | Fiber optics coupler for a swimming pool coping |
US6250776B1 (en) * | 1997-11-20 | 2001-06-26 | Pacfab, Inc. | Niche assembly for a pool and method therefor |
US6039453A (en) * | 1998-02-04 | 2000-03-21 | Wang; Shiuh-Liang | Lighted water globe |
US6275634B1 (en) * | 1998-11-16 | 2001-08-14 | Pac-Fab, Inc. | Fiber optic perimeter lighting system |
-
2000
- 2000-12-27 US US09/749,052 patent/US6398397B1/en not_active Expired - Lifetime
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP3049718A4 (en) * | 2013-09-27 | 2017-10-11 | Hayward Industries, Inc. | Light with expanding compression member |
US9915419B2 (en) | 2013-09-27 | 2018-03-13 | Hayward Industries, Inc. | Light with expanding compression member |
US11022298B2 (en) | 2013-09-27 | 2021-06-01 | Hayward Industries, Inc. | Light with expanding compression member |
US11619377B2 (en) | 2013-09-27 | 2023-04-04 | Hayward Industries, Inc. | Light with expanding compression member |
Also Published As
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US6398397B1 (en) | 2002-06-04 |
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