FR2685740B1 - FLEXIBLE SEPARATION ELEMENT FOR A HYDRAULIC ACCUMULATOR COMPRISING A GAS STOPPER LAYER IN VINYL ETHYLENE-ALCOHOL COPOLYMER AND AN ELASTIC LAYER IN POLYAMIDE RESIN. - Google Patents

FLEXIBLE SEPARATION ELEMENT FOR A HYDRAULIC ACCUMULATOR COMPRISING A GAS STOPPER LAYER IN VINYL ETHYLENE-ALCOHOL COPOLYMER AND AN ELASTIC LAYER IN POLYAMIDE RESIN.

Info

Publication number
FR2685740B1
FR2685740B1 FR929215453A FR9215453A FR2685740B1 FR 2685740 B1 FR2685740 B1 FR 2685740B1 FR 929215453 A FR929215453 A FR 929215453A FR 9215453 A FR9215453 A FR 9215453A FR 2685740 B1 FR2685740 B1 FR 2685740B1
Authority
FR
France
Prior art keywords
polyamide resin
alcohol copolymer
separation element
hydraulic accumulator
vinyl ethylene
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.)
Expired - Fee Related
Application number
FR929215453A
Other languages
French (fr)
Other versions
FR2685740A1 (en
Inventor
Takamatsu Shigeaki
Murakami Koyo
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.)
Sumitomo Riko Co Ltd
Original Assignee
Sumitomo Riko Co Ltd
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
Priority claimed from JP4108684A external-priority patent/JP2747860B2/en
Priority claimed from JP4108687A external-priority patent/JP2700590B2/en
Application filed by Sumitomo Riko Co Ltd filed Critical Sumitomo Riko Co Ltd
Publication of FR2685740A1 publication Critical patent/FR2685740A1/en
Application granted granted Critical
Publication of FR2685740B1 publication Critical patent/FR2685740B1/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B27/00—Layered products comprising a layer of synthetic resin
    • B32B27/06—Layered products comprising a layer of synthetic resin as the main or only constituent of a layer, which is next to another layer of the same or of a different material
    • B32B27/08—Layered products comprising a layer of synthetic resin as the main or only constituent of a layer, which is next to another layer of the same or of a different material of synthetic resin
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B25/00—Layered products comprising a layer of natural or synthetic rubber
    • B32B25/04—Layered products comprising a layer of natural or synthetic rubber comprising rubber as the main or only constituent of a layer, which is next to another layer of the same or of a different material
    • B32B25/08—Layered products comprising a layer of natural or synthetic rubber comprising rubber as the main or only constituent of a layer, which is next to another layer of the same or of a different material of synthetic resin
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B27/00—Layered products comprising a layer of synthetic resin
    • B32B27/32—Layered products comprising a layer of synthetic resin comprising polyolefins
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B27/00—Layered products comprising a layer of synthetic resin
    • B32B27/34—Layered products comprising a layer of synthetic resin comprising polyamides
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B7/00—Layered products characterised by the relation between layers; Layered products characterised by the relative orientation of features between layers, or by the relative values of a measurable parameter between layers, i.e. products comprising layers having different physical, chemical or physicochemical properties; Layered products characterised by the interconnection of layers
    • B32B7/04—Interconnection of layers
    • B32B7/12—Interconnection of layers using interposed adhesives or interposed materials with bonding properties
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B1/00—Installations or systems with accumulators; Supply reservoir or sump assemblies
    • F15B1/02—Installations or systems with accumulators
    • F15B1/04—Accumulators
    • F15B1/08—Accumulators using a gas cushion; Gas charging devices; Indicators or floats therefor
    • F15B1/10—Accumulators using a gas cushion; Gas charging devices; Indicators or floats therefor with flexible separating means
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2307/00—Properties of the layers or laminate
    • B32B2307/70—Other properties
    • B32B2307/724—Permeability to gases, adsorption
    • B32B2307/7242—Non-permeable
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2323/00—Polyalkenes
    • B32B2323/04—Polyethylene
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2329/00—Polyvinylalcohols, polyvinylethers, polyvinylaldehydes, polyvinylketones or polyvinylketals
    • B32B2329/04—Polyvinylalcohol
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60G—VEHICLE SUSPENSION ARRANGEMENTS
    • B60G2206/00—Indexing codes related to the manufacturing of suspensions: constructional features, the materials used, procedures or tools
    • B60G2206/01—Constructional features of suspension elements, e.g. arms, dampers, springs
    • B60G2206/40—Constructional features of dampers and/or springs
    • B60G2206/42—Springs
    • B60G2206/422—Accumulators for hydropneumatic springs
    • B60G2206/4222—Accumulators for hydropneumatic springs with a flexible separating wall; Membrane construction
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B2201/00—Accumulators
    • F15B2201/20—Accumulator cushioning means
    • F15B2201/205—Accumulator cushioning means using gas
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B2201/00—Accumulators
    • F15B2201/30—Accumulator separating means
    • F15B2201/315—Accumulator separating means having flexible separating means
    • F15B2201/3151—Accumulator separating means having flexible separating means the flexible separating means being diaphragms or membranes
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B2201/00—Accumulators
    • F15B2201/30—Accumulator separating means
    • F15B2201/315—Accumulator separating means having flexible separating means
    • F15B2201/3155—Accumulator separating means having flexible separating means characterised by the material of the flexible separating means
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B2201/00—Accumulators
    • F15B2201/30—Accumulator separating means
    • F15B2201/315—Accumulator separating means having flexible separating means
    • F15B2201/3156—Accumulator separating means having flexible separating means characterised by their attachment
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B2201/00—Accumulators
    • F15B2201/40—Constructional details of accumulators not otherwise provided for
    • F15B2201/41—Liquid ports
    • F15B2201/411—Liquid ports having valve means
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B2201/00—Accumulators
    • F15B2201/40—Constructional details of accumulators not otherwise provided for
    • F15B2201/415—Gas ports
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B2201/00—Accumulators
    • F15B2201/40—Constructional details of accumulators not otherwise provided for
    • F15B2201/43—Anti-extrusion means
    • F15B2201/435—Anti-extrusion means being fixed to the separating means
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B2201/00—Accumulators
    • F15B2201/60—Assembling or methods for making accumulators
    • F15B2201/61—Assembling or methods for making separating means therefor

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Supply Devices, Intensifiers, Converters, And Telemotors (AREA)
  • Laminated Bodies (AREA)
FR929215453A 1991-12-27 1992-12-22 FLEXIBLE SEPARATION ELEMENT FOR A HYDRAULIC ACCUMULATOR COMPRISING A GAS STOPPER LAYER IN VINYL ETHYLENE-ALCOHOL COPOLYMER AND AN ELASTIC LAYER IN POLYAMIDE RESIN. Expired - Fee Related FR2685740B1 (en)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
JP36071291 1991-12-27
JP8981992 1992-03-14
JP4108684A JP2747860B2 (en) 1991-12-27 1992-03-31 Accumulator and bladder for accumulator used therefor
JP4108687A JP2700590B2 (en) 1992-03-14 1992-03-31 Accumulator and bladder for accumulator used therefor

Publications (2)

Publication Number Publication Date
FR2685740A1 FR2685740A1 (en) 1993-07-02
FR2685740B1 true FR2685740B1 (en) 1994-08-12

Family

ID=27467678

Family Applications (1)

Application Number Title Priority Date Filing Date
FR929215453A Expired - Fee Related FR2685740B1 (en) 1991-12-27 1992-12-22 FLEXIBLE SEPARATION ELEMENT FOR A HYDRAULIC ACCUMULATOR COMPRISING A GAS STOPPER LAYER IN VINYL ETHYLENE-ALCOHOL COPOLYMER AND AN ELASTIC LAYER IN POLYAMIDE RESIN.

Country Status (2)

Country Link
DE (1) DE4243652C2 (en)
FR (1) FR2685740B1 (en)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE69529255T2 (en) * 1994-08-31 2009-09-17 Nike International Ltd., Beaverton Gas-inflated bubble for cushioning
DE19835612C2 (en) * 1997-08-07 2003-07-03 Toyoda Gosei Kk Objects molded in one piece
JP3214426B2 (en) * 1997-12-25 2001-10-02 東海ゴム工業株式会社 Diaphragm and accumulator using the same
ATE332335T1 (en) 2001-11-23 2006-07-15 Arkema VULCANIZED ELASTOMER TUBE WITH POLYAMIDE AND EVOH BARRIER LAYERS
DE10355435B3 (en) * 2003-11-27 2005-05-19 Hydac Technology Gmbh Hydraulic oil reservoir for hydraulic circuit has housing divided internally by separation element secured via fixing component cooperating with edge rim attached to free edge of separation element
DE102004031337B4 (en) * 2004-06-29 2007-08-30 Contitech Elastomer-Beschichtungen Gmbh Molded membrane and process for its production
EP2042299A3 (en) * 2007-09-28 2009-04-15 Tokai Rubber Industries, Ltd. Diaphragm and accumulator using the same
EP2233844B2 (en) † 2009-03-14 2017-03-01 Winkelmann Sp. z o.o. Membrane pressure expansion container
DE102009003696A1 (en) 2009-03-30 2010-10-07 Contitech Elastomer-Beschichtungen Gmbh Membrane, in particular gas storage membrane
DE102010050113B4 (en) * 2010-10-29 2012-06-21 Mt Aerospace Ag Containers for receiving, storing and dispensing gaseous, liquid and solid media and their use
DE102011117489B4 (en) * 2011-10-27 2015-04-02 Astrium Gmbh fuel tank

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2532143A (en) * 1946-04-06 1950-11-28 Jack & Heintz Prec Ind Inc Accumulator
DE1600621A1 (en) * 1967-01-26 1970-01-08 Teves Gmbh Alfred Hydropneumatic pressure accumulator with a two-part pressure-resistant housing
FR2319037A1 (en) * 1975-07-25 1977-02-18 Bosch Gmbh Robert Hydropneumatic accumulator with two part body - has elastic partition diaphragm gripped between bead on one body half and ring on other half
DE3219530A1 (en) * 1982-05-25 1983-12-01 Alfred Teves Gmbh, 6000 Frankfurt Membrane for accumulators
IT1153003B (en) * 1982-11-03 1987-01-14 Grace W R & Co LAMINATED FILMS FOR PACKAGING AND RELATED ITEMS WITH IMPROVED RESISTANCE TO HEAT TREATMENTS
EP0132565B2 (en) * 1983-08-01 1998-11-25 AlliedSignal Inc. Oriented film laminates of polyamides and ethylene vinyl alcohol
DE8507638U1 (en) * 1985-03-15 1986-07-17 Robert Bosch Gmbh, 7000 Stuttgart Elastic partition
FR2636638B1 (en) * 1988-09-20 1990-12-21 Peugeot WATERPROOF ELASTIC MEMBRANE AND HYDROPNEUMATIC ACCUMULATOR EQUIPPED WITH SUCH A MEMBRANE
FR2640018A1 (en) * 1988-11-08 1990-06-08 Olaer Ind Sa Composite flexible separator for a pressure tank, its method of production, and pressure tank including such a flexible separator
JPH02165948A (en) * 1988-12-20 1990-06-26 Nok Corp Rubber resin composite file material and manufacture thereof
DE3844054A1 (en) * 1988-12-28 1990-07-12 Asea Brown Boveri ENERGY STORAGE
DE4117411C2 (en) * 1990-05-31 1998-08-06 Nok Corp Membrane element and storage element with such a membrane element
JP3049614B2 (en) * 1990-09-26 2000-06-05 エヌオーケー株式会社 Accumulator bladder
US5215124A (en) * 1990-10-23 1993-06-01 Honda Giken Kogyo Kabushiki Kaisha Accumulator

Also Published As

Publication number Publication date
DE4243652A1 (en) 1993-07-01
FR2685740A1 (en) 1993-07-02
DE4243652C2 (en) 1999-04-01

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Legal Events

Date Code Title Description
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Effective date: 20060831