CA2345834A1 - Reinforced hose and associated method of manufacture - Google Patents

Reinforced hose and associated method of manufacture Download PDF

Info

Publication number
CA2345834A1
CA2345834A1 CA002345834A CA2345834A CA2345834A1 CA 2345834 A1 CA2345834 A1 CA 2345834A1 CA 002345834 A CA002345834 A CA 002345834A CA 2345834 A CA2345834 A CA 2345834A CA 2345834 A1 CA2345834 A1 CA 2345834A1
Authority
CA
Canada
Prior art keywords
foamed layer
surrounded
tube assembly
hose
outer non
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
Application number
CA002345834A
Other languages
French (fr)
Other versions
CA2345834C (en
Inventor
Scott L. Badders
John R. Aull
Doug M. Brock
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Fiskars Oyj Abp
Original Assignee
Gilmour Inc
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Gilmour Inc filed Critical Gilmour Inc
Publication of CA2345834A1 publication Critical patent/CA2345834A1/en
Application granted granted Critical
Publication of CA2345834C publication Critical patent/CA2345834C/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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
    • 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
    • B29C48/15—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor incorporating preformed parts or layers, e.g. extrusion moulding around inserts
    • B29C48/151—Coating hollow articles
    • B29C48/152—Coating hollow articles the inner surfaces thereof
    • B29C48/153—Coating both inner and outer surfaces
    • 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

Abstract

A hose includes a tube assembly surrounded by a textile reinforcement that is surrounded by a cover assembly. The tube assembly includes an inner non- foamed layer that is surrounded by a foamed layer that is surrounded by an outer non-foamed layer. The textile reinforcement surrounds the outer non-foamed layer of the tube assembly and preferably consists of a first spiral threading and a second mesh threading. The cover assembly includes an inner non-foamed layer that is surrounded by a foamed layer that is surrounded by an outer non-foamed layer. The adjacent relationship of the outer non-foamed layer of the tube assembly and the inner non-foamed layer of the cover assembly provide a substantial increase in adhesion between the two assemblies. Further, this configuration reduces the tendency for water seepage between the layer or plies that can cause bubbles and separation. Still further, the present configuration allows the foam layers to be blown with lighter densities for softness and reduced weight while not compromising hose integrity. Even further, the present configuration improves hose strength with a concomitant reduction in the amount of textile reinforcement.
CA002345834A 2000-05-10 2001-05-01 Reinforced hose and associated method of manufacture Expired - Lifetime CA2345834C (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US20271000P 2000-05-10 2000-05-10
US60/202,710 2000-05-10

Publications (2)

Publication Number Publication Date
CA2345834A1 true CA2345834A1 (en) 2001-11-10
CA2345834C CA2345834C (en) 2009-04-07

Family

ID=22750948

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002345834A Expired - Lifetime CA2345834C (en) 2000-05-10 2001-05-01 Reinforced hose and associated method of manufacture

Country Status (3)

Country Link
US (2) US6615876B2 (en)
EP (1) EP1154185A3 (en)
CA (1) CA2345834C (en)

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US5976159A (en) * 1995-02-24 1999-11-02 Heartport, Inc. Surgical clips and methods for tissue approximation
US6742545B2 (en) 1998-12-21 2004-06-01 Parker-Hannifin Corporation Hose construction
US20060185786A1 (en) * 2005-02-18 2006-08-24 Neto Emilio P Flexible PVC hose and method of making
US20070051418A1 (en) * 2005-09-02 2007-03-08 Rowles Brian A Multilayer tubes
FR2892488B1 (en) * 2005-10-25 2008-01-04 Hutchinson Sa FLEXIBLE FLUID TRANSFER PIPE COMPRISING A TRICOTED TEXTILE REINFORCEMENT REINFORCEMENT.
US9566408B2 (en) 2006-03-24 2017-02-14 Resmed Limited Air delivery conduit
GB0719215D0 (en) * 2007-10-02 2007-11-14 Wellstream Int Ltd Thermal insulation of flexible pipes
ITVI20090184A1 (en) * 2009-07-22 2011-01-23 Fitt Spa FLEXIBLE REINFORCED HOSE WITH HIGH PRESSURE RESISTANCE
EP2430349A1 (en) 2009-05-12 2012-03-21 Fitt Spa Reinforced flexible hose with high pressure strenght and method for its manufacturing
IT1397458B1 (en) † 2010-07-07 2013-01-10 Caneva FLEXIBLE HOSE WITH REINFORCEMENT STRUCTURE AND KNITTING PROCEDURE FOR ITS REALIZATION.
ITVI20100217A1 (en) * 2010-07-30 2012-01-31 Fitt Spa STRUCTURE OF FLEXIBLE HOSE WITH INTERLACED REINFORCEMENT
CN106345031B (en) 2011-03-15 2019-10-25 瑞思迈私人有限公司 Airflow pipe
US20130061975A1 (en) * 2011-09-14 2013-03-14 David Wayne Leadingham Aircraft ground support hose assembly
WO2013076154A1 (en) * 2011-11-21 2013-05-30 Gardena Manufacturing Gmbh Garden hose with woven reinforcement
US9169351B2 (en) 2011-12-22 2015-10-27 Johns Manville Methods for making reinforced thermoplastic composites
DE102014000358A1 (en) * 2014-01-09 2015-07-09 Hydac Technology Gmbh accumulator
US10955072B2 (en) 2018-09-07 2021-03-23 Contitech Usa, Inc. Lightweight hoses

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GB922116A (en) 1960-08-12 1963-03-27 Baxter Woodhouse & Taylor Ltd Improvements relating to flexible pipes, conduits and the like
US3130753A (en) 1962-04-26 1964-04-28 Aeroquip Corp Floating swimming pool hose
GB1042023A (en) 1962-05-22 1966-09-07 Dunlop Rubber Co Floatable hose
US3245431A (en) 1962-10-18 1966-04-12 Moore & Co Samuel Composite tubing
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Also Published As

Publication number Publication date
US6615876B2 (en) 2003-09-09
EP1154185A3 (en) 2003-05-02
US20010039972A1 (en) 2001-11-15
CA2345834C (en) 2009-04-07
US20030183970A1 (en) 2003-10-02
US7060151B2 (en) 2006-06-13
EP1154185A2 (en) 2001-11-14

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Date Code Title Description
EEER Examination request
MKEX Expiry

Effective date: 20210503