WO2003100308A1 - Tuyau a eau et conduite d'eau chaude - Google Patents
Tuyau a eau et conduite d'eau chaude Download PDFInfo
- Publication number
- WO2003100308A1 WO2003100308A1 PCT/JP2003/006310 JP0306310W WO03100308A1 WO 2003100308 A1 WO2003100308 A1 WO 2003100308A1 JP 0306310 W JP0306310 W JP 0306310W WO 03100308 A1 WO03100308 A1 WO 03100308A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- water supply
- hose
- reinforcing layer
- layer
- hot water
- Prior art date
Links
Classifications
-
- 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
- F16L11/00—Hoses, i.e. flexible pipes
- F16L11/04—Hoses, i.e. flexible pipes made of rubber or flexible plastics
- F16L11/08—Hoses, i.e. flexible pipes made of rubber or flexible plastics with reinforcements embedded in the wall
- F16L11/088—Hoses, i.e. flexible pipes made of rubber or flexible plastics with reinforcements embedded in the wall comprising a combination of one or more layers of a helically wound cord or wire with one or more braided layers
-
- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03C—DOMESTIC PLUMBING INSTALLATIONS FOR FRESH WATER OR WASTE WATER; SINKS
- E03C1/00—Domestic plumbing installations for fresh water or waste water; Sinks
- E03C1/02—Plumbing installations for fresh water
- E03C1/025—Water supply lines as such, e.g. shower hoses
-
- 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
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/13—Hollow or container type article [e.g., tube, vase, etc.]
- Y10T428/1352—Polymer or resin containing [i.e., natural or synthetic]
- Y10T428/139—Open-ended, self-supporting conduit, cylinder, or tube-type article
- Y10T428/1393—Multilayer [continuous layer]
Definitions
- the present invention relates to a hose used for faucet fittings in kitchens and wash basins, toilet storage tanks, and other pipes for water supply or hot water supply, and in particular, even if the radius is small.
- the present invention relates to a water / hot water supply hose that can be easily bent and does not generate kinks.
- hoses used in kitchens, wash basins, toilet water storage tanks, and other water supply or hot water supply pipes have an inner layer made of rubber or thermoplastic elastomer, and a stainless steel wire or Flexible hoses with braided reinforcement layers such as nylon and polyester fibers are used.
- Such hoses are called hose-type flexible expansion joints with the joint fittings crimped on both ends, and are used for various piping works.
- the hose type flexible expansion joint may be forcibly bent at the time of construction, or external force may be applied by contacting surrounding members. Many.
- the present invention provides a hot and cold water supply system that can be easily bent even with a small radius so that it can be installed even in a narrow piping space, and that is free of kink and can be used for tap water containing chlorine. It is intended to provide a hose for use.
- the present invention has been made to solve the above problems, and the gist of the present invention is that an inner layer made of an elastic tube and an inner reinforcing layer made of a fiber yarn spirally wound on the upper side of the inner layer. And a water supply hot water supply hose having an outer reinforcing layer made of a hard metal wire braided on the upper side of the inner reinforcing layer.
- At least the innermost surface of the inner layer in contact with water or hot water is preferably made of either a polybutene resin or a cross-linked polyethylene resin in order to cope with tap water containing chlorine.
- the inner layer may have a single-layer structure or a laminated structure, but preferably has a two-layer structure, and its outer surface is made of a polyolefin-based elastomer.
- the number of twists of the fiber yarn constituting the inner reinforcing layer is preferably 0 turns / 10 cm to 10 times Z 10 cm, and the inner reinforcing layer made of the spirally wound fiber yarn is preferably used. It is preferable to provide a presser yarn layer made of fiber yarn on the upper side.
- FIG. 1 is a partially sectional perspective view showing an example of a water / hot water supply hose of the present invention.
- a water / hot water supply hose of the present invention comprises: an inner layer comprising an elastic tube; It has an upper inner reinforcing layer and an outer reinforcing layer above the inner reinforcing layer.
- rubber or a thermoplastic elastomer is suitably used for the tube constituting the inner layer.
- at least the innermost surface of the inner layer in contact with water or hot water is made of either a polybutene resin or a cross-linked polyethylene resin as a measure against chlorine contained in the tap water.
- the inner layer may have a single-layer structure or a laminated structure. That is, the inner layer may be composed of a simple substance such as rubber, polybutene resin, cross-linked polyethylene resin, or the like, or may have a laminated structure in which the inner surface of rubber or the like is coated with a fluororesin as a measure against chlorine in tap water.
- a laminated structure may be used in consideration of the fact that the inner layer is hard and hard to bend and kink is likely to occur.
- a thin layer of polybutene resin or cross-linked polyethylene resin thickness 0.15 mm to 0.5 mm
- water supply and hot water supply can be performed while lowering bending rigidity.
- the required thickness (about 1.0 to 3.0 mm) for the inner layer of the hose is secured by the laminated structure.
- a two-layer structure in which a flexible polyolefin-based elastomer is laminated on the outer surface of a polybutene resin or a crosslinked polyethylene resin is preferable.
- the present invention has an outer reinforcing layer made of a braided hard metal wire.
- hard metal wire piano wire is specified in JISG 350
- hard steel wire is specified in JISG 506, and stainless steel wire for spring is specified in JISG 431.
- the purpose is to prevent the generation of kinks and to ensure the pressure resistance of the hose during water flow. That is, even if the hose is bent to a small radius, the part is not flattened due to the rigidity of the hard metal wire, and the inner diameter of the hose (8 mm ci), which is a general hose for water supply and hot water supply, is 1 ⁇ 1. 2 ⁇ ⁇ ) to prevent the reinforcing layer from breaking due to internal pressure.
- a soft wire is unsuitable because a hard wire is unsuitable, and in the present invention, a hard metal wire is used. Can be used. If a steel wire for panel is provided with a coating layer made of resin on the upper side, corrosion can be prevented. Also, even if it is stainless steel hard wire, It is preferable to provide a coating layer from the viewpoint of preventing damage.
- a resin constituting the coating layer for example, a styrene-based thermoplastic resin or a urethane resin is suitable.
- the tensile strength of the hard metal wire constituting the reinforcing layer is preferably from 150 ON / mm 2 to 300 O NZ mm 2 .
- the wire diameter of the hard metal wire is preferably 0.15 mm to 0.5 nim.
- tensile strength was less than 1 5 0 ON / mm 2 Ri
- the wire diameter is less than 0. 1 5 mm, against the rigidity bending of low as connexion hose This is because the ability to do it becomes weak.
- the tensile strength exceeds 300 ON / mm 2 or the wire diameter exceeds 0.5 mm, the flexibility of the hose will be impaired due to its rigidity. .
- hard metal wires need to be braided. This is because the pitch becomes coarse and dense when a hard metal wire is spirally wound. That is, considering the flexibility of the hose, it is not advisable to tightly wind the hard metal wire, so the hard metal wire is roughly wound spirally. Then, when the hard metal wire is wound on a drum with the metal hard wire exposed at the time of manufacturing, the metal hard wires are rubbed between adjacent hoses, causing a positional shift, thereby deteriorating productivity.
- the hard metal wire is braided, and the braid density is preferably 15% to 55%. If the braid density is less than 15%, kink is likely to occur. If the braid density is more than 55%, the rigidity of the hose is increased and the flexibility is impaired.
- the braid angle of the hard metal wire has a great effect on the bending rigidity of the hose and the kink resistance.
- the braiding angle should be between 54 ° and 70 °. It is preferable that
- the reinforcing layer of the hose of the present invention has a braided structure of a hard metal wire.
- Water or hot water is a problem. That is, the inner layer of the thermoplastic elastomer is easily broken at the gap between the reinforcing layers, particularly at the time of hot water supply, and there is a concern that hot water may blow out. Therefore, in the water / hot water supply hose of the present invention, the reinforcing layer is divided into an inner reinforcing layer and an outer reinforcing layer above the inner reinforcing layer.
- the above-described braided reinforcing layer of the hard metal wire is used as an outer reinforcing layer, and an inner reinforcing layer is separately provided below the outer reinforcing layer in order to fill a gap between the hard metal wires and prevent blow-through.
- This inner reinforcing layer is made of fiber yarn wound spirally on the upper side of the inner layer. The use of fiber yarn is to prevent the blow-through of the hard metal wire through the gap while ensuring the flexibility of the hose. It is.
- the fiber yarn constituting the inner reinforcing layer synthetic fibers such as polyester and nylon, and plant fibers such as cotton can be used. It is preferable that the thickness of the fiber yarn be 50 denier to 250 denier in order to prevent the thickness of the hose from increasing as much as possible and to ensure the same ease of handling as a conventional hose.
- the fiber yarn must be wound spirally. This is because, when braided with fiber yarns, the inner reinforcement layer becomes thicker when trying to tightly knit, and the overall thickness of the hose becomes thicker. Conversely, if weaving roughly to prevent thickening, the inner layer may not be able to withstand the internal pressure and the inner layer may burst at the gap between the hard metal wires of the outer reinforcing layer.
- the number of twists of the fiber yarn is 0 times / 10 c n! It is preferable to set to ⁇ 10 times / 10 cm. This is because, by reducing the number of twists, when wound in a spiral shape, the fiber yarn having a circular cross section spreads laterally and becomes flat, so that a thin inner reinforcing layer without gaps can be obtained.
- the inner reinforcing layer of the hose of the present invention has a spiral structure of fiber yarn in order to prevent blow-through and suppress an increase in wall thickness, but the spiral direction is either left or right or both. You may. However, in order to prevent the inner layer from being twisted due to the tension of the fiber yarn during manufacturing, a bidirectional spiral is preferable.
- a presser yarn layer made of fiber yarn on the upper side of the inner reinforcing layer so that the spiral pitch does not shift.
- the fiber yarn of the presser yarn layer for example, polyester or the like can be used, and it is sufficient that the inner reinforcing layer is roughly wound spirally at a static angle so as not to be displaced.
- the inner layer and the inner reinforcing layer may be bonded or not bonded. That is, if importance is placed on preventing kink, adhesion is preferable, and if importance is placed on flexibility, non-adhesion is preferred.
- FIG. 1 is a partially sectional perspective view showing an example of a water / hot water supply hose of the present invention.
- the water / hot water supply hose of the embodiment shown in FIG. 1 has an inner layer 1, an inner reinforcing layer 2, a presser thread layer 3, an outer reinforcing layer 4, and a coating layer 5 in order from the inside, and has a hose inner diameter of 10 ⁇ ⁇ .
- the thickness of the hose is 1.75 mm.
- the inner layer 1 has a two-layer structure.
- the innermost surface 1A in contact with water or hot water is a polybutene resin having a thickness of 0.25 mm, and a polyolefin-based elastomer is laminated on its outer surface 1B to form the inner layer 1.
- the wall thickness is 1.0 mm. Therefore, it is flexible enough to handle tap water containing chlorine.
- an inner reinforcing layer 2 made of a spirally wound polyester fiber yarn.
- the inner layer 1 and the inner reinforcing layer 2 are not bonded, and the fiber yarn is wound at a static angle in the left direction 2A and the right direction 2B, respectively.
- the thickness of the fiber yarn is 110 denier and the number of twists is reduced to three times Z 100 cm. Therefore, the inner reinforcing layer 2 does not become thicker, and when wound on the upper side of the inner layer 1, the fiber yarns spread laterally and become flat, and the inner reinforcing layer 2 becomes thin and has no gap.
- a presser yarn layer 3 made of polyester fiber yarn is provided on the upper side of the inner reinforcing layer 2.
- the fiber yarns of the presser yarn layer 3 are spirally wound in only one direction at a static angle, and have such a coarse pitch that the fiber yarns of the inner reinforcing layer 2 are not displaced.
- the upper side of the presser thread layer 3 is an outer reinforcing layer 4 made of a braided stainless steel hard wire for a spring.
- the wire diameter of the hard metal wire is 0.29 mm, the braiding density is 20%, and the braiding angle is 56 °. Due to the outer reinforcing layer 4, no kink is generated even when bent to a small radius.
- the water supply / hot water supply hose of the present invention has an inner layer made of an elastic tube, an inner reinforcing layer made of fiber yarn spirally wound on the upper side of the inner layer, and Since it has an outer reinforcing layer made of a braided metal hard wire, it can be easily bent even with a small radius, and no kink is generated.
- the combination of spiral fiber yarns and braided metal hard wires to form a reinforcing layer ensures that the reinforcing layer does not disturb in pitch during manufacturing, has a small thickness, has sufficient pressure resistance, and has flexibility. It is also resistant to bending due to external force while maintaining the required water flow diameter.
Description
Claims
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US10/515,026 US7445029B2 (en) | 2002-05-24 | 2003-05-21 | Hose for water and hot water supply |
EP03755275A EP1508737B1 (en) | 2002-05-24 | 2003-05-21 | Hose for water and hot water supply |
AU2003235370A AU2003235370A1 (en) | 2002-05-24 | 2003-05-21 | Hose for water and hot water supply |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2002151007A JP4213910B2 (ja) | 2002-05-24 | 2002-05-24 | 給水給湯用ホース |
JP2002/151007 | 2002-05-24 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2003100308A1 true WO2003100308A1 (fr) | 2003-12-04 |
Family
ID=29561240
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/JP2003/006310 WO2003100308A1 (fr) | 2002-05-24 | 2003-05-21 | Tuyau a eau et conduite d'eau chaude |
Country Status (6)
Country | Link |
---|---|
US (1) | US7445029B2 (ja) |
EP (1) | EP1508737B1 (ja) |
JP (1) | JP4213910B2 (ja) |
CN (1) | CN1323255C (ja) |
AU (1) | AU2003235370A1 (ja) |
WO (1) | WO2003100308A1 (ja) |
Families Citing this family (25)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP4833524B2 (ja) * | 2004-06-21 | 2011-12-07 | 株式会社ブリヂストン | 給水ホース口金具締結構造 |
CA2570327C (en) * | 2004-06-29 | 2013-11-26 | Lauren Agrisystems, Ltd. | Milking liner |
JP4683962B2 (ja) * | 2005-03-01 | 2011-05-18 | 大阪瓦斯株式会社 | ホース |
US20090236004A1 (en) * | 2005-06-16 | 2009-09-24 | Bhargav Jani | Smooth and flexible clean room hose |
JP2007031699A (ja) * | 2005-06-20 | 2007-02-08 | Bridgestone Corp | 高耐塩素水性ポリオレフィン樹脂及び給水給湯ホース |
JP2006348243A (ja) * | 2005-06-20 | 2006-12-28 | Bridgestone Corp | 柔軟性ポリブテン系複合樹脂及び給水給湯ホース |
JP2007051660A (ja) * | 2005-08-17 | 2007-03-01 | Bridgestone Flowtech Corp | 医療用ホース |
JP2007247823A (ja) * | 2006-03-17 | 2007-09-27 | Rinnai Corp | パイロット式水電磁弁 |
FR2899665B1 (fr) * | 2006-04-06 | 2010-09-10 | Saltel Ind | "conduite flexible a embouts d'extremite integres" |
US7644736B2 (en) * | 2006-05-26 | 2010-01-12 | Rehau, Inc. | PEX pipe for high pressure and high temperature applications |
FR2903342B1 (fr) * | 2006-07-10 | 2010-01-15 | Daher Lhotellier Aerotechnolog | Dispositif thermodurcissable ou thermoplastique pour la fabrication de tuyauterie de conditionnement d'air |
JP2009002519A (ja) * | 2008-08-08 | 2009-01-08 | Bridgestone Corp | 給水給湯用ホース |
ITVI20080042U1 (it) * | 2008-10-31 | 2010-05-01 | Tecnotubi Picena S R L | Tubo flessibile da irrigazione con alta resistenza alla pressione ed alla torsione. |
GB2466262A (en) * | 2008-12-18 | 2010-06-23 | Technip France Sa | Subsea umbilical |
WO2011126840A1 (en) * | 2010-03-30 | 2011-10-13 | Martucci Norman S | Hose for fluids pulsating at high pressure and frequency and method of construction |
JP5534980B2 (ja) * | 2010-06-30 | 2014-07-02 | 古河電気工業株式会社 | 流体輸送用可撓管、二酸化炭素の貯留システム、および二酸化炭素の貯留方法 |
DK2410223T3 (da) * | 2010-07-21 | 2013-08-26 | Nexans | Ledning til transport af et medium under vand |
JP2012037033A (ja) * | 2010-08-11 | 2012-02-23 | Toyox Co Ltd | 多層耐圧管及び多連管 |
RU2457388C2 (ru) | 2010-10-07 | 2012-07-27 | Общество с ограниченной ответственностью "Группа ПОЛИМЕРТЕПЛО" (ООО "Группа ПОЛИМЕРТЕПЛО") | Многослойная армированная полимерная труба и система труб для транспортировки воды |
DE202015104169U1 (de) * | 2015-08-10 | 2016-11-14 | Rehau Ag + Co | Mehrschichtiger Schlauch |
GB2561413A (en) * | 2017-04-13 | 2018-10-17 | Polimer Kaucuk Sanayi Ve Pazarlama A S | Metal braided hose |
IT201800009085A1 (it) * | 2018-10-02 | 2020-04-02 | Manuli Hydraulics Italia Srl | Tubo idraulico flessibile |
CN110285274B (zh) * | 2019-06-27 | 2021-06-22 | 深圳市美好创亿医疗科技股份有限公司 | 编织管及其制备方法 |
CA3150091A1 (en) * | 2021-02-24 | 2022-08-24 | Parker Hannifin Corporation | Hose having a tensile strength braided layer |
JP2024058418A (ja) * | 2022-10-14 | 2024-04-25 | 株式会社ブリヂストン | ワイヤスパイラル補強ゴムホース |
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JPS53131523A (en) * | 1977-04-21 | 1978-11-16 | Tigers Polymer | Flexible hose |
JPH01111892U (ja) * | 1988-01-22 | 1989-07-27 | ||
JP2001347569A (ja) * | 2000-06-08 | 2001-12-18 | Nippon Steel Composite Co Ltd | 管状ライナー及び熱硬化性樹脂管 |
EP1172593A1 (en) * | 2000-07-13 | 2002-01-16 | Tokai Rubber Industries, Ltd. | Method for manufacturing fuel transporting hose |
JP2002168378A (ja) * | 2000-11-27 | 2002-06-14 | Nichirin Co Ltd | 樹脂ホース |
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US5826623A (en) * | 1996-04-26 | 1998-10-27 | Tokai Rubber Industries, Ltd. | High pressure hose for refrigerant |
JPH10141544A (ja) | 1996-09-12 | 1998-05-29 | Noriatsu Kojima | 管の支持具 |
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JP3709710B2 (ja) | 1998-05-11 | 2005-10-26 | 東海ゴム工業株式会社 | 冷媒輸送ホースとその製造方法 |
EP0969236A3 (en) | 1998-06-29 | 2002-01-02 | Parker Hannifin GmbH | Kink resistant high pressure hose |
US6604552B2 (en) * | 2000-02-07 | 2003-08-12 | Jorg Hansen | Metal-plastic multilayer pipe having form stability for plumbing and hydronic heating |
US6648023B2 (en) * | 2000-09-26 | 2003-11-18 | The Yokohama Rubber Co., Ltd. | Low permeable hose and method for producing the same |
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-
2002
- 2002-05-24 JP JP2002151007A patent/JP4213910B2/ja not_active Expired - Fee Related
-
2003
- 2003-05-21 EP EP03755275A patent/EP1508737B1/en not_active Expired - Fee Related
- 2003-05-21 CN CNB038118173A patent/CN1323255C/zh not_active Expired - Fee Related
- 2003-05-21 US US10/515,026 patent/US7445029B2/en not_active Expired - Fee Related
- 2003-05-21 WO PCT/JP2003/006310 patent/WO2003100308A1/ja active Application Filing
- 2003-05-21 AU AU2003235370A patent/AU2003235370A1/en not_active Abandoned
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
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JPS53131523A (en) * | 1977-04-21 | 1978-11-16 | Tigers Polymer | Flexible hose |
JPH01111892U (ja) * | 1988-01-22 | 1989-07-27 | ||
JP2001347569A (ja) * | 2000-06-08 | 2001-12-18 | Nippon Steel Composite Co Ltd | 管状ライナー及び熱硬化性樹脂管 |
EP1172593A1 (en) * | 2000-07-13 | 2002-01-16 | Tokai Rubber Industries, Ltd. | Method for manufacturing fuel transporting hose |
JP2002168378A (ja) * | 2000-11-27 | 2002-06-14 | Nichirin Co Ltd | 樹脂ホース |
Non-Patent Citations (1)
Title |
---|
See also references of EP1508737A4 * |
Also Published As
Publication number | Publication date |
---|---|
CN1323255C (zh) | 2007-06-27 |
AU2003235370A1 (en) | 2003-12-12 |
US20050199309A1 (en) | 2005-09-15 |
JP4213910B2 (ja) | 2009-01-28 |
JP2003343773A (ja) | 2003-12-03 |
EP1508737A1 (en) | 2005-02-23 |
US7445029B2 (en) | 2008-11-04 |
EP1508737B1 (en) | 2012-12-12 |
CN1656333A (zh) | 2005-08-17 |
EP1508737A4 (en) | 2005-12-07 |
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