DE244337T1 - Entfernbarer, irreversibel schrumpfender formkern. - Google Patents

Entfernbarer, irreversibel schrumpfender formkern.

Info

Publication number
DE244337T1
DE244337T1 DE198787630056T DE87630056T DE244337T1 DE 244337 T1 DE244337 T1 DE 244337T1 DE 198787630056 T DE198787630056 T DE 198787630056T DE 87630056 T DE87630056 T DE 87630056T DE 244337 T1 DE244337 T1 DE 244337T1
Authority
DE
Germany
Prior art keywords
removable
shape core
shrinking shape
irreversible
irreversible shrinking
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.)
Pending
Application number
DE198787630056T
Other languages
English (en)
Inventor
Robert Lee Sandy Hook Connecticut 06482 Us Faiz
William J. Monroe Connecticut 06468 Us Walker
Philip Milford Connecticut 06460 Us Ramey
Kenneth M. Sandy Hook Connecticut 06482 Us Adams
Nicholas P. Hamden Connecticut 06514 Us Flonc
Dean Stamford Connecticut 06905 Us Nguyen
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.)
Raytheon Technologies Corp
Original Assignee
United Technologies Corp
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 United Technologies Corp filed Critical United Technologies Corp
Publication of DE244337T1 publication Critical patent/DE244337T1/de
Pending legal-status Critical Current

Links

Classifications

    • 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
    • B29C61/00—Shaping by liberation of internal stresses; Making preforms having internal stresses; Apparatus therefor
    • 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
    • B29C33/00—Moulds or cores; Details thereof or accessories therefor
    • B29C33/44—Moulds or cores; Details thereof or accessories therefor with means for, or specially constructed to facilitate, the removal of articles, e.g. of undercut articles
    • B29C33/52—Moulds or cores; Details thereof or accessories therefor with means for, or specially constructed to facilitate, the removal of articles, e.g. of undercut articles soluble or fusible
    • 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
    • B29C33/00—Moulds or cores; Details thereof or accessories therefor
    • B29C33/38—Moulds or cores; Details thereof or accessories therefor characterised by the material or the manufacturing process
    • B29C33/40—Plastics, e.g. foam or rubber
    • 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
    • B29C33/00—Moulds or cores; Details thereof or accessories therefor
    • B29C33/44—Moulds or cores; Details thereof or accessories therefor with means for, or specially constructed to facilitate, the removal of articles, e.g. of undercut articles
    • B29C33/448—Moulds or cores; Details thereof or accessories therefor with means for, or specially constructed to facilitate, the removal of articles, e.g. of undercut articles destructible
    • 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
    • B29C33/00—Moulds or cores; Details thereof or accessories therefor
    • B29C33/56—Coatings, e.g. enameled or galvanised; Releasing, lubricating or separating agents
    • B29C33/60—Releasing, lubricating or separating agents
    • B29C33/62—Releasing, lubricating or separating agents based on polymers or oligomers
    • B29C33/64—Silicone
    • 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
    • B29C33/00—Moulds or cores; Details thereof or accessories therefor
    • B29C33/76—Cores
    • 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
    • B29C70/30—Shaping by lay-up, i.e. applying fibres, tape or broadsheet on a mould, former or core; Shaping by spray-up, i.e. spraying of fibres on a mould, former or core
    • B29C70/34—Shaping by lay-up, i.e. applying fibres, tape or broadsheet on a mould, former or core; Shaping by spray-up, i.e. spraying of fibres on a mould, former or core and shaping or impregnating by compression, i.e. combined with compressing after the lay-up operation
DE198787630056T 1986-04-28 1987-04-07 Entfernbarer, irreversibel schrumpfender formkern. Pending DE244337T1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US06/856,898 US4681724A (en) 1986-04-28 1986-04-28 Removable irreversibly shrinking male mandrel

Publications (1)

Publication Number Publication Date
DE244337T1 true DE244337T1 (de) 1988-08-11

Family

ID=25324736

Family Applications (2)

Application Number Title Priority Date Filing Date
DE198787630056T Pending DE244337T1 (de) 1986-04-28 1987-04-07 Entfernbarer, irreversibel schrumpfender formkern.
DE8787630056T Expired - Fee Related DE3768849D1 (de) 1986-04-28 1987-04-07 Entfernbarer, irreversibel schrumpfender formkern.

Family Applications After (1)

Application Number Title Priority Date Filing Date
DE8787630056T Expired - Fee Related DE3768849D1 (de) 1986-04-28 1987-04-07 Entfernbarer, irreversibel schrumpfender formkern.

Country Status (8)

Country Link
US (1) US4681724A (de)
EP (1) EP0244337B1 (de)
AU (1) AU584571B2 (de)
BR (1) BR8702019A (de)
CA (1) CA1273772A (de)
DE (2) DE244337T1 (de)
ES (1) ES2001326B3 (de)
IL (1) IL82164A0 (de)

Families Citing this family (43)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5070606A (en) * 1988-07-25 1991-12-10 Minnesota Mining And Manufacturing Company Method for producing a sheet member containing at least one enclosed channel
US5283020A (en) * 1989-09-28 1994-02-01 United Technologies Corporation Component protection from contaminants
GB2237282A (en) * 1989-10-25 1991-05-01 Dow Corning Sa Moulding elastomers using heat-destructible polystyrene core
DE69331238D1 (de) * 1992-02-14 2002-01-10 Gradual Pty Ltd Formungsverfahren und vorrichtung
AU668135B2 (en) * 1992-02-14 1996-04-26 Gradual Pty Ltd Molding process and apparatus
GB2269777B (en) * 1992-07-30 1997-04-02 Masaru Nemoto Mould core
US5362429A (en) * 1993-03-08 1994-11-08 Magnum Manufacturing, Inc. Rubber molding method using a frangible foam core
FR2760398B1 (fr) * 1997-03-06 1999-04-16 Snecma Procede de realisation de pieces creuses de precision en materiau composite
FR2760399B1 (fr) * 1997-03-06 1999-05-07 Hispano Suiza Sa Procede de fabrication de pieces creuses en materiau composite
DE19907279A1 (de) * 1999-02-21 2000-08-31 Gefinex Polymerschaeume Gmbh Formteilautomat zur Herstellung von Kunststoffschaumprodukten aus Beads
US20030186038A1 (en) * 1999-11-18 2003-10-02 Ashton Larry J. Multi orientation composite material impregnated with non-liquid resin
US7681835B2 (en) * 1999-11-18 2010-03-23 Rocky Mountain Composites, Inc. Single piece co-cure composite wing
US6889937B2 (en) * 1999-11-18 2005-05-10 Rocky Mountain Composites, Inc. Single piece co-cure composite wing
FR2808472B1 (fr) * 2000-05-05 2003-02-28 Aerospatiale Matra Airbus Procede de fabrication d'un panneau en materiau composite a bandes raidisseurs et panneau ainsi obtenu
US7204951B2 (en) * 2002-07-30 2007-04-17 Rocky Mountain Composites, Inc. Method of assembling a single piece co-cured structure
US7638084B2 (en) * 2004-03-19 2009-12-29 Frankel Kenneth A Methods for forming fiber reinforced composite parts having one or more selectively positioned core, structural insert, or veneer pieces integrally associated therewith
ES2335351T3 (es) 2005-09-09 2010-03-25 Saab Ab Utilizacion de una herramienta helicoidal y procedimiento de fabricacion de un miembro de superficie que comprende al menos un miembro de refuerzo.
EP2008796A4 (de) * 2006-03-31 2014-07-09 Airbus Operations Sl Verfahren zur herstellung von verbundmaterialstrukturen mit zusammenklappbaren werkzeugen aus inertem material
GB0614438D0 (en) * 2006-07-20 2006-08-30 Airbus Uk Ltd Composite structure and method of manufacture
EP2127855A4 (de) * 2007-02-28 2015-07-08 Airbus Operations Sl Werkzeug und verfahren zur herstellung von flugzeugspantunterteilen aus einem verbundmaterial
US7850897B2 (en) * 2007-03-14 2010-12-14 Spectrum Aeronautical, Llc Method and device for manufacturing a unitary caul sheet
GB0710832D0 (en) * 2007-06-06 2007-07-18 Airbus Uk Ltd Fibre placement tool
DE102007027113B4 (de) * 2007-06-13 2013-09-12 Airbus Operations Gmbh Verfahren zur Fertigung von Rumpfzellenabschnitten für Flugzeuge aus Faserverbundwerkstoffen sowie Vorrichtung
US7815839B2 (en) 2007-07-25 2010-10-19 United Technologies Corporation Hybrid mandrels
FR2919519A1 (fr) * 2007-07-31 2009-02-06 Aerovac Systemes France Sarl Noyau pour realiser un raidisseur dans un panneau composite
DE102008032344B4 (de) * 2008-07-09 2021-01-21 Bayerische Motoren Werke Aktiengesellschaft Baugruppe, insbes. für eine Fahrzeugkarosserie
US9327467B2 (en) 2008-07-10 2016-05-03 The Boeing Company Composite mandrel for autoclave curing applications
US9238335B2 (en) * 2008-07-10 2016-01-19 The Boeing Company Mandrel for autoclave curing applications
JP4905539B2 (ja) * 2008-12-16 2012-03-28 トヨタ自動車株式会社 ハニカム様構造体の製造方法、及びハニカム様構造体
WO2010089464A1 (fr) * 2009-02-05 2010-08-12 Aerovac Systemes France Noyau pour realiser un raidisseur dans un panneau composite
DE102010018114B4 (de) * 2010-04-24 2015-08-27 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Verfahren zur Herstellung von Bauteilen mittels Polymer- oder Kunststoffguss oder aus Faserverbund-Kunststoffen
GB201012293D0 (en) * 2010-07-22 2010-09-08 Advanced Composites Group Ltd Mould tools
US8534339B2 (en) * 2011-10-12 2013-09-17 The Boeing Company Lightweight flexible mandrel and method for making the same
US9333713B2 (en) 2012-10-04 2016-05-10 The Boeing Company Method for co-curing composite skins and stiffeners in an autoclave
US9486943B1 (en) * 2012-10-31 2016-11-08 The Boeing Company Method for creating mandrels with voids for expansion control during curing
GB2525243A (en) * 2014-04-17 2015-10-21 Airbus Operations Ltd A method of moulding and a core plug for use in the method
DE102014008644B4 (de) * 2014-06-13 2016-11-10 Audi Ag Verfahren zur Herstellung eines Hohlkörpers aus einem Faserverbundkunststoff
US11059206B2 (en) * 2016-02-05 2021-07-13 Rohr, Inc Method for fabricating composite structures using combined resin film and dry fabric
US11014315B2 (en) 2017-05-03 2021-05-25 The Boeing Company Compacted stringer packages
US10926435B2 (en) 2017-05-03 2021-02-23 The Boeing Company Foam mandrel assembly
EP3894194A1 (de) * 2018-12-11 2021-10-20 General Electric Company Verfahren zur herstellung einer hohlen verbundstruktur, insbesondere eines holmträgers für eine windturbinenlaufschaufel, und zugehöriger dorn
WO2021076777A1 (en) * 2019-10-15 2021-04-22 Mag Aerospace Industries, Llc Hybrid mandrel for composite tanks and tubes
WO2021178730A1 (en) * 2020-03-06 2021-09-10 Galactic Co., LLC Shaped composite vehicle skins and method for high rate manufacturing of same

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1604597A1 (de) * 1966-03-28 1970-11-12 Licentia Gmbh Formkoerper fuer das Herstellen von Hohlkoerpern aus Kunststoff
US3882220A (en) * 1971-08-23 1975-05-06 Ryder Int Corp Method of molding utilizing meltable core
US4067949A (en) * 1975-03-05 1978-01-10 Owens-Illinois, Inc. Container with improved heat-shrunk cellular sleeve
DE2557991C3 (de) * 1975-12-22 1978-11-16 Reiner 1000 Berlin Larws Formkern zum Erzeugen von Hohlräumen in Gießteilen
US4095322A (en) * 1976-08-30 1978-06-20 The Boeing Company Method of fabricating a composite aerodynamic rotorblade assembly
US4316701A (en) * 1976-08-30 1982-02-23 The Boeing Company Composite aerodynamic rotor blade assembly
US4464324A (en) * 1981-09-21 1984-08-07 Ozen Apparatus and method for injection moulding of plastic parts of irregular shape, hollow or undercut form
US4566923A (en) * 1983-05-27 1986-01-28 Osgood Industries, Inc. Method and apparatus for preforming and applying a heat-shrinkable member to a container
DE3428282C1 (de) * 1984-08-01 1986-01-16 Deutsche Forschungs- und Versuchsanstalt für Luft- und Raumfahrt e.V., 5300 Bonn Entfernbarer Kern zur Herstellung rohrfoermiger Strukturen aus Faserverbundwerkstoffen

Also Published As

Publication number Publication date
AU584571B2 (en) 1989-05-25
EP0244337A1 (de) 1987-11-04
IL82164A0 (en) 1987-10-30
CA1273772A (en) 1990-09-11
BR8702019A (pt) 1988-02-09
ES2001326A4 (es) 1988-05-16
DE3768849D1 (de) 1991-05-02
ES2001326B3 (es) 1991-11-16
EP0244337B1 (de) 1991-03-27
AU7152687A (en) 1987-10-29
US4681724A (en) 1987-07-21

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