SG114567A1 - A method of fabricating composite tubular door frame - Google Patents

A method of fabricating composite tubular door frame

Info

Publication number
SG114567A1
SG114567A1 SG200205491A SG200205491A SG114567A1 SG 114567 A1 SG114567 A1 SG 114567A1 SG 200205491 A SG200205491 A SG 200205491A SG 200205491 A SG200205491 A SG 200205491A SG 114567 A1 SG114567 A1 SG 114567A1
Authority
SG
Singapore
Prior art keywords
mould
door frame
tubular door
nylon tubes
main bag
Prior art date
Application number
SG200205491A
Inventor
Meng Liang Ang
Seow Kuan Seah
Original Assignee
Singapore Tech Aerospace 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
Application filed by Singapore Tech Aerospace Ltd filed Critical Singapore Tech Aerospace Ltd
Priority to SG200205491A priority Critical patent/SG114567A1/en
Priority to US10/661,040 priority patent/US20040123551A1/en
Publication of SG114567A1 publication Critical patent/SG114567A1/en

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B64—AIRCRAFT; AVIATION; COSMONAUTICS
    • B64C—AEROPLANES; HELICOPTERS
    • B64C1/00—Fuselages; Constructional features common to fuselages, wings, stabilising surfaces or the like
    • B64C1/14—Windows; Doors; Hatch covers or access panels; Surrounding frame structures; Canopies; Windscreens accessories therefor, e.g. pressure sensors, water deflectors, hinges, seals, handles, latches, windscreen wipers
    • B64C1/1407—Doors; surrounding frames
    • B64C1/1461—Structures of doors or surrounding 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
    • 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
    • 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
    • B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
    • B29L2012/00—Frames
    • 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
    • B29L2031/001—Profiled members, e.g. beams, sections
    • B29L2031/003—Profiled members, e.g. beams, sections having a profiled transverse cross-section
    • B29L2031/005—Profiled members, e.g. beams, sections having a profiled transverse cross-section for making window frames
    • 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
    • B29L2031/30—Vehicles, e.g. ships or aircraft, or body parts thereof
    • B29L2031/3076—Aircrafts
    • 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
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T50/00—Aeronautics or air transport
    • Y02T50/40—Weight reduction

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Aviation & Aerospace Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Composite Materials (AREA)
  • Casting Or Compression Moulding Of Plastics Or The Like (AREA)
  • Moulding By Coating Moulds (AREA)

Abstract

A method of fabricating composite tubular door frame is disclosed. The method comprises the steps of laying-up a plurality layers of prepreg composite fabrics on a mould having an upper mould component and a lower mould component, and each layer of the composite fabric being compacted; placing a plurality of nylon tubes over the composite fabric at the upper mould component with the ends of the nylon tubes being extended out at each of the corners of the mould to be sealed with a main bag placed over the top and envelope the upper mould component; proceeding the mould to a curing step with a curing pressure of 4 to 7 bars with 0.3 to 0.7 bar vacuum, the mould being heated in an autoclave to 80 degree C. and hold for 30 min. to 1.5 hour with 0.3 to 0.7 bar of vacuum in the enclosure enveloped the main bag sealed with the nylon tubes; and removing the main bag from the mould and the nylon tubes being pulled out of from the mold and removing the mould to obtain a tubular door frame. Excess composite fabric is trimmed off from the fabricated tubular door frame.
SG200205491A 2002-09-12 2002-09-12 A method of fabricating composite tubular door frame SG114567A1 (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
SG200205491A SG114567A1 (en) 2002-09-12 2002-09-12 A method of fabricating composite tubular door frame
US10/661,040 US20040123551A1 (en) 2002-09-12 2003-09-12 Method of fabricating composite tubular door frame

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SG200205491A SG114567A1 (en) 2002-09-12 2002-09-12 A method of fabricating composite tubular door frame

Publications (1)

Publication Number Publication Date
SG114567A1 true SG114567A1 (en) 2005-09-28

Family

ID=32653783

Family Applications (1)

Application Number Title Priority Date Filing Date
SG200205491A SG114567A1 (en) 2002-09-12 2002-09-12 A method of fabricating composite tubular door frame

Country Status (2)

Country Link
US (1) US20040123551A1 (en)
SG (1) SG114567A1 (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102008008386A1 (en) * 2008-02-09 2009-08-13 Airbus Deutschland Gmbh Method for producing an FVW component
US8109551B2 (en) * 2009-02-04 2012-02-07 New Flyer Industries Canada Ulc Bus cabin structure
FR2947241B1 (en) 2009-06-29 2012-12-07 Airbus France FRAMING OF AN OPENING UNDERTAKEN IN AN AIRCRAFT FUSELAGE
CN113733414A (en) * 2021-07-30 2021-12-03 昌河飞机工业（集团）有限责任公司 Composite material special-shaped tubular framework forming tool and method
CN114311738A (en) * 2021-12-03 2022-04-12 昌河飞机工业（集团）有限责任公司 Composite material special-shaped tubular framework forming tool and forming method

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5853651A (en) * 1995-09-07 1998-12-29 Simula, Inc. High pressure hollow process for manufacturing composite structures
DE19803909A1 (en) * 1998-02-02 1999-08-05 Ver Foerderung Inst Kunststoff Resin injection process for production of continuous fiber reinforced hollow products, e.g. turbine blades, pressure tanks or structural components
JP2001150465A (en) * 1999-11-30 2001-06-05 Toyota Motor Corp Method for manufacturing hollow molding and device therefor

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT7921463V0 (en) * 1979-05-02 1979-05-02 Fonderia Elettrica Alluminio ALUMINUM WINDOW WITH SHIELD THERMAL BREAK AND OPEN JOINT, PARTICULARLY FOR DOOR AND WINDOW FRAMES.
CA2004357C (en) * 1989-12-01 1994-12-13 Salvatore Tizzoni Thermally insulated aluminum door frame
US5491951A (en) * 1991-11-06 1996-02-20 Riegelman; Harry M. Composite framing member construction for windows and doors

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5853651A (en) * 1995-09-07 1998-12-29 Simula, Inc. High pressure hollow process for manufacturing composite structures
DE19803909A1 (en) * 1998-02-02 1999-08-05 Ver Foerderung Inst Kunststoff Resin injection process for production of continuous fiber reinforced hollow products, e.g. turbine blades, pressure tanks or structural components
JP2001150465A (en) * 1999-11-30 2001-06-05 Toyota Motor Corp Method for manufacturing hollow molding and device therefor

Also Published As

Publication number Publication date
US20040123551A1 (en) 2004-07-01

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