FR2424470A1 - Stiff structures moulded with tubular and cellular cores - for skis, wings etc. of high specific stiffness - Google Patents

Stiff structures moulded with tubular and cellular cores - for skis, wings etc. of high specific stiffness

Info

Publication number
FR2424470A1
FR2424470A1 FR7829116A FR7829116A FR2424470A1 FR 2424470 A1 FR2424470 A1 FR 2424470A1 FR 7829116 A FR7829116 A FR 7829116A FR 7829116 A FR7829116 A FR 7829116A FR 2424470 A1 FR2424470 A1 FR 2424470A1
Authority
FR
France
Prior art keywords
skis
high specific
tubular
specific stiffness
mould
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.)
Withdrawn
Application number
FR7829116A
Other languages
French (fr)
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.)
AMF Inc
Original Assignee
AMF 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 AMF Inc filed Critical AMF Inc
Publication of FR2424470A1 publication Critical patent/FR2424470A1/en
Withdrawn legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29D—PRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCES IN A PLASTIC STATE
    • B29D99/00—Subject matter not provided for in other groups of this subclass
    • B29D99/0025—Producing blades or the like, e.g. blades for turbines, propellers, or wings
    • B29D99/0028—Producing blades or the like, e.g. blades for turbines, propellers, or wings hollow blades
    • A—HUMAN NECESSITIES
    • A63—SPORTS; GAMES; AMUSEMENTS
    • A63C—SKATES; SKIS; ROLLER SKATES; DESIGN OR LAYOUT OF COURTS, RINKS OR THE LIKE
    • A63C5/00—Skis or snowboards
    • A63C5/12—Making thereof; Selection of particular materials
    • 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
    • B29C70/00—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts
    • B29C70/04—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts comprising reinforcements only, e.g. self-reinforcing plastics
    • B29C70/28—Shaping operations therefor
    • B29C70/40—Shaping or impregnating by compression not applied
    • B29C70/42—Shaping or impregnating by compression not applied for producing articles of definite length, i.e. discrete articles
    • B29C70/44—Shaping or impregnating by compression not applied for producing articles of definite length, i.e. discrete articles using isostatic pressure, e.g. pressure difference-moulding, vacuum bag-moulding, autoclave-moulding or expanding rubber-moulding
    • 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
    • B29C70/00—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts
    • B29C70/04—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts comprising reinforcements only, e.g. self-reinforcing plastics
    • B29C70/28—Shaping operations therefor
    • B29C70/40—Shaping or impregnating by compression not applied
    • B29C70/42—Shaping or impregnating by compression not applied for producing articles of definite length, i.e. discrete articles
    • B29C70/44—Shaping or impregnating by compression not applied for producing articles of definite length, i.e. discrete articles using isostatic pressure, e.g. pressure difference-moulding, vacuum bag-moulding, autoclave-moulding or expanding rubber-moulding
    • B29C70/446—Moulding structures having an axis of symmetry or at least one channel, e.g. tubular structures, frames
    • 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
    • B29C70/00—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts
    • B29C70/58—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts comprising fillers only, e.g. particles, powder, beads, flakes, spheres
    • B29C70/66—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts comprising fillers only, e.g. particles, powder, beads, flakes, spheres the filler comprising hollow constituents, e.g. syntactic foam
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29D—PRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCES IN A PLASTIC STATE
    • B29D24/00—Producing articles with hollow walls
    • B29D24/002—Producing articles with hollow walls formed with structures, e.g. cores placed between two plates or sheets, e.g. partially filled
    • B29D24/008—Producing articles with hollow walls formed with structures, e.g. cores placed between two plates or sheets, e.g. partially filled the structure having hollow ridges, ribs or cores
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
    • F03D—WIND MOTORS
    • F03D1/00—Wind motors with rotation axis substantially parallel to the air flow entering the rotor 
    • F03D1/06—Rotors
    • F03D1/065—Rotors characterised by their construction elements
    • 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
    • B29C43/00—Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor
    • B29C43/02—Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor of articles of definite length, i.e. discrete articles
    • B29C43/10—Isostatic pressing, i.e. using non-rigid pressure-exerting members against rigid parts or dies
    • B29C43/12—Isostatic pressing, i.e. using non-rigid pressure-exerting members against rigid parts or dies using bags surrounding the moulding material or using membranes contacting the moulding material
    • 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
    • B29K2105/00—Condition, form or state of moulded material or of the material to be shaped
    • B29K2105/06—Condition, form or state of moulded material or of the material to be shaped containing reinforcements, fillers or inserts
    • B29K2105/16—Fillers
    • B29K2105/165—Hollow fillers, e.g. microballoons or expanded particles
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
    • B29L2031/00—Other particular articles
    • B29L2031/08—Blades for rotors, stators, fans, turbines or the like, e.g. screw propellers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
    • B29L2031/00—Other particular articles
    • B29L2031/52—Sports equipment ; Games; Articles for amusement; Toys
    • B29L2031/5263—Skis
    • 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
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E10/00—Energy generation through renewable energy sources
    • Y02E10/70—Wind energy
    • Y02E10/72—Wind turbines with rotation axis in wind direction

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Composite Materials (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Sustainable Development (AREA)
  • Sustainable Energy (AREA)
  • Combustion & Propulsion (AREA)
  • General Engineering & Computer Science (AREA)
  • Casting Or Compression Moulding Of Plastics Or The Like (AREA)
  • Molding Of Porous Articles (AREA)

Abstract

Elongated structures having inconstant cross-section or surface profiles and a high specific stiffness (stiffness/wt. ratio) are made by lining a mould with suitable covers and then filling the lined mould cavity with a combination of one or more hollow inflatable tubes and injection of a foam material to fill all the spaces between the tube(s) and the interior of the mould. Process is suitable for mfr. of e.g. skis, glider wings or similar structures. The composite structure has a high strength/wt. ratio than similar structures filled with either an inflatable tube or a cellular material alone.
FR7829116A 1978-04-26 1978-10-12 Stiff structures moulded with tubular and cellular cores - for skis, wings etc. of high specific stiffness Withdrawn FR2424470A1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US90021978A 1978-04-26 1978-04-26

Publications (1)

Publication Number Publication Date
FR2424470A1 true FR2424470A1 (en) 1979-11-23

Family

ID=25412180

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7829116A Withdrawn FR2424470A1 (en) 1978-04-26 1978-10-12 Stiff structures moulded with tubular and cellular cores - for skis, wings etc. of high specific stiffness

Country Status (1)

Country Link
FR (1) FR2424470A1 (en)

Cited By (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2569243A1 (en) * 1984-08-17 1986-02-21 Aubertin Edouard Variable-pitch propeller rotor, in particular for a wind machine
EP0224777A2 (en) * 1985-11-29 1987-06-10 Cellpack AG Reinforcing element for moulded plastic parts, plastic foam part with this reinforcing element and ski with the plastic foam part
WO1989009336A1 (en) * 1988-03-23 1989-10-05 George Jeronimidis Improvements in or relating to structures containing anisotropic material
EP0526353A1 (en) * 1991-07-31 1993-02-03 Skis Rossignol S.A. Method for manufacturing a complex moulded structure, especially a ski, and structure obtained with such a method
WO1994028984A1 (en) * 1993-06-09 1994-12-22 Kästle Aktiengesellschaft Ski
US5848800A (en) * 1993-06-09 1998-12-15 Kastle Aktiengesellschaft Ski
WO2002074469A2 (en) * 2000-12-08 2002-09-26 Toyota Motor Sales Usa Inc. A molded composite structure and method of forming same
WO2003021105A1 (en) * 2001-09-04 2003-03-13 Neue Spulentechnologie Beteiligungs Ag Flow engine
US6823578B2 (en) 2000-11-15 2004-11-30 Toyota Motor Sales, U.S.A., Inc. One-piece closed-shape structure and method of forming same
US7101453B2 (en) 2002-09-04 2006-09-05 Toyota Motor Sales U.S.A., Inc. Pre-filled contained media volumes and methods of media filling using pre-filled contained media volumes
US7101452B2 (en) 2002-07-19 2006-09-05 Toyota Motor Sales Usa, Inc. Methods of debonding a composite tooling
US7124797B2 (en) 2001-03-02 2006-10-24 Toyota Motor Sales, Usa, Inc. Filament winding apparatus and methods of winding filament
EP1754589A1 (en) * 2005-08-17 2007-02-21 General Electric Company Method for making a continuous laminate, in particular suitable as a spar cap or another part of a wind energy turbine rotor blade
US7217380B2 (en) 2002-07-22 2007-05-15 Toyota Motor Sales, Usa, Inc. Vibration apparatus and methods of vibration
US7294220B2 (en) 2003-10-16 2007-11-13 Toyota Motor Sales, U.S.A., Inc. Methods of stabilizing and/or sealing core material and stabilized and/or sealed core material
US7559332B2 (en) 2002-07-02 2009-07-14 Toyota Motor Sales U.S.A., Inc. Media removal apparatus and methods of removing media
WO2015012752A1 (en) * 2013-07-23 2015-01-29 Gox Ab End supported helical turbine

Cited By (33)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2569243A1 (en) * 1984-08-17 1986-02-21 Aubertin Edouard Variable-pitch propeller rotor, in particular for a wind machine
EP0224777A2 (en) * 1985-11-29 1987-06-10 Cellpack AG Reinforcing element for moulded plastic parts, plastic foam part with this reinforcing element and ski with the plastic foam part
EP0224777A3 (en) * 1985-11-29 1988-11-30 Cellpack Ag Reinforcing element for moulded plastic parts, plastic foam part with this reinforcing element and ski with the plastic foam part
WO1989009336A1 (en) * 1988-03-23 1989-10-05 George Jeronimidis Improvements in or relating to structures containing anisotropic material
EP0526353A1 (en) * 1991-07-31 1993-02-03 Skis Rossignol S.A. Method for manufacturing a complex moulded structure, especially a ski, and structure obtained with such a method
FR2679821A1 (en) * 1991-07-31 1993-02-05 Rossignol Sa METHOD FOR MANUFACTURING A COMPLEX MOLDED STRUCTURE, IN PARTICULAR A SKI, AND COMPLEX MOLDED STRUCTURE THUS OBTAINED
US5288442A (en) * 1991-07-31 1994-02-22 Skis Rossignol S.A. Process for the manufacture of a complex moulded structure, and especially of a ski
EP0747099A2 (en) * 1993-06-09 1996-12-11 Kästle Aktiengesellschaft Ski
EP0747099A3 (en) * 1993-06-09 1997-02-05 Kaestle Ag Ski
US5848800A (en) * 1993-06-09 1998-12-15 Kastle Aktiengesellschaft Ski
WO1994028984A1 (en) * 1993-06-09 1994-12-22 Kästle Aktiengesellschaft Ski
US6823578B2 (en) 2000-11-15 2004-11-30 Toyota Motor Sales, U.S.A., Inc. One-piece closed-shape structure and method of forming same
US7059034B2 (en) 2000-11-15 2006-06-13 Toyota Motor Sales, U.S.A., Inc. One-piece closed-shape structure and method of forming same
US7226559B2 (en) 2000-12-08 2007-06-05 Toyota Motor Sales, U.S.A., Inc. Method for molding structures
WO2002074469A2 (en) * 2000-12-08 2002-09-26 Toyota Motor Sales Usa Inc. A molded composite structure and method of forming same
WO2002074469A3 (en) * 2000-12-08 2003-02-06 Toyota Motor Sales Usa Inc A molded composite structure and method of forming same
US7748424B2 (en) 2001-03-02 2010-07-06 Toyota Motor Sales Usa, Inc. Filament winding apparatus and methods of winding filament
US7124797B2 (en) 2001-03-02 2006-10-24 Toyota Motor Sales, Usa, Inc. Filament winding apparatus and methods of winding filament
WO2003021105A1 (en) * 2001-09-04 2003-03-13 Neue Spulentechnologie Beteiligungs Ag Flow engine
US7559332B2 (en) 2002-07-02 2009-07-14 Toyota Motor Sales U.S.A., Inc. Media removal apparatus and methods of removing media
US7101452B2 (en) 2002-07-19 2006-09-05 Toyota Motor Sales Usa, Inc. Methods of debonding a composite tooling
US7628192B2 (en) 2002-07-19 2009-12-08 Toyota Motor Sales U.S.A., Inc. Methods of debonding a composite tooling
US7527488B2 (en) 2002-07-22 2009-05-05 Toyota Motor Sales Usa, Inc. Vibration apparatus and methods of vibration
US7217380B2 (en) 2002-07-22 2007-05-15 Toyota Motor Sales, Usa, Inc. Vibration apparatus and methods of vibration
US7662331B2 (en) 2002-07-22 2010-02-16 Toyota Motor Sales U.S.A., Inc. Vibration apparatus and methods of vibration
US7678306B2 (en) 2002-07-22 2010-03-16 Toyota Motor Sales, U.S.A., Inc. Vibration apparatus and methods of vibration
US7628191B2 (en) 2002-09-04 2009-12-08 Toyota Motor Sales U.S.A., Inc. Methods of media filling using pre-filled contained media volumes
US7101453B2 (en) 2002-09-04 2006-09-05 Toyota Motor Sales U.S.A., Inc. Pre-filled contained media volumes and methods of media filling using pre-filled contained media volumes
US7294220B2 (en) 2003-10-16 2007-11-13 Toyota Motor Sales, U.S.A., Inc. Methods of stabilizing and/or sealing core material and stabilized and/or sealed core material
EP1754589A1 (en) * 2005-08-17 2007-02-21 General Electric Company Method for making a continuous laminate, in particular suitable as a spar cap or another part of a wind energy turbine rotor blade
US8226866B2 (en) 2005-08-17 2012-07-24 General Electric Company Method for making a continuous laminate, in particular suitable as a spar cap or another part of a wind energy turbine rotor blade
WO2015012752A1 (en) * 2013-07-23 2015-01-29 Gox Ab End supported helical turbine
US9957803B2 (en) 2013-07-23 2018-05-01 Gox Ab End supported helical turbine

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Legal Events

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ST Notification of lapse