WO2011072739A1 - Procédé et dispositif pour la fabrication d'un élément en plastique moulé par injection renforcé par des fibres - Google Patents

Procédé et dispositif pour la fabrication d'un élément en plastique moulé par injection renforcé par des fibres Download PDF

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Publication number
WO2011072739A1
WO2011072739A1 PCT/EP2009/067357 EP2009067357W WO2011072739A1 WO 2011072739 A1 WO2011072739 A1 WO 2011072739A1 EP 2009067357 W EP2009067357 W EP 2009067357W WO 2011072739 A1 WO2011072739 A1 WO 2011072739A1
Authority
WO
WIPO (PCT)
Prior art keywords
tool
cavity
mold
reinforcing material
plastic
Prior art date
Application number
PCT/EP2009/067357
Other languages
German (de)
English (en)
Inventor
Reiner Just
Jürgen KERN
Original Assignee
Gm Tec Industries Holding Gmbh
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 Gm Tec Industries Holding Gmbh filed Critical Gm Tec Industries Holding Gmbh
Priority to EP09801206A priority Critical patent/EP2512771A1/fr
Priority to PCT/EP2009/067357 priority patent/WO2011072739A1/fr
Publication of WO2011072739A1 publication Critical patent/WO2011072739A1/fr

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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
    • B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
    • B29C45/16—Making multilayered or multicoloured articles
    • B29C45/1671—Making multilayered or multicoloured articles with an insert
    • 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
    • B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
    • B29C45/14—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor incorporating preformed parts or layers, e.g. injection moulding around inserts or for coating articles
    • B29C45/14065—Positioning or centering articles in the mould
    • B29C2045/14147—Positioning or centering articles in the mould using pins or needles penetrating through the insert
    • 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
    • B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
    • B29C45/14—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor incorporating preformed parts or layers, e.g. injection moulding around inserts or for coating articles
    • B29C45/14065—Positioning or centering articles in the mould
    • B29C45/14073—Positioning or centering articles in the mould using means being retractable during injection
    • 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
    • B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
    • B29C45/16—Making multilayered or multicoloured articles
    • B29C45/1635—Making multilayered or multicoloured articles using displaceable mould parts, e.g. retractable partition between adjacent mould cavities
    • 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
    • B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
    • B29C45/16—Making multilayered or multicoloured articles
    • B29C45/1675—Making multilayered or multicoloured articles using exchangeable mould halves
    • 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
    • B29K2105/08—Condition, form or state of moulded material or of the material to be shaped containing reinforcements, fillers or inserts of continuous length, e.g. cords, rovings, mats, fabrics, strands or yarns
    • B29K2105/0809—Fabrics
    • B29K2105/0818—Fleece

Definitions

  • the present invention relates to a method for
  • a first layer of plastic material is first applied to a positive or negative mold, then the sheet-like reinforcing material is placed on the plastic sheet and laminated together by applying at least one further layer of plastic material.
  • the sheet-like reinforcing material is placed on the plastic sheet and laminated together by applying at least one further layer of plastic material.
  • simply flat plastic parts can be produced, as used for example in boat use.
  • fiberglass mats are used as a flat reinforcing material, wherein the fiberglass mats can be present as a fabric or as a nonwoven.
  • Fiber reinforced plastic is also in the range of
  • Reinforcing material would move during injection of the plastic material into the respective injection mold with the flow of the liquid plastic material.
  • Method is the high time required to produce the fiber-reinforced semi-finished product, which is then laminated in a second step to the fiber-reinforced composite part.
  • the method shown is not an injection molding process.
  • Plastic injection-molded part comprises the steps of holding a sheet-like reinforcing material, in particular a fabric or a non-woven mat, in a cavity of a
  • Injection molding tool adjacent to a tool wall, providing a first mold cavity on one side of the reinforcing material and the subsequent injection of a plastic material in the first mold cavity.
  • the planar reinforcing material can therefore also be provided with a shape or contour in the direction of its surface normal ⁇ depth ⁇ .
  • Plastic injection molded part does not exclude that the
  • any wall thickness or structure of plastic material can also be constructed on this side of the sheet-like reinforcing material. Accordingly, by means of the specified
  • Pages of the obtained plastic injection molded part can be improved, since the respective outer sides of the obtained
  • Plastic injection molded part are formed by corresponding structurable or contourable tool surfaces.
  • the reinforcing material can be applied to a mandrel and the mandrel for
  • the present method is significantly faster, since the present method can be carried out in principle with the cycle of an injection molding machine. This makes the application possible even for larger quantities.
  • the method is on a
  • Plastic material be present, as on the outside.
  • a plastic material with a different color can also be used.
  • the sheet-like reinforcing material is applied to the wall of the injection molding tool by means of at least one
  • Holding mechanism in particular at least one retaining pin, held in position until the plastic material in the
  • Reinforcing material was injected. It is preferred after injecting the plastic material in the
  • Retaining pins caused openings, preserved in the resulting plastic injection molded part. These impressions or openings can later for example for
  • Tool cavity on the second side of the Reinforcement material be provided by the fact that the plastic injection molded part after the injection of the
  • this movement of the plastic injection-molded part is achieved by a displacement of a first tool half relative to a second tool half, in particular by a rotation of the two tool halves against each other. In this way, the procedure can be efficient and with a short
  • the plastic injection-molded part when the implementation of the plastic injection molded part is carried out in that one tool half is displaced, in particular rotated, relative to the other tool half, the plastic injection-molded part must be made of the first
  • Injection process can not be removed from the first mold half, but remains in the first mold half, which is then rotated relative to the second mold half such that the plastic injection molded part from the first injection into a second mold cavity
  • the provision of the second mold cavity may also be accomplished by reacting the in the first mold cavity
  • Tool cavity can be achieved.
  • Plastic injection molded part implemented in another injection molding tool and in the second provided there
  • the plastic injection molded part is held in the second tool cavity by the same holding mechanism as in the preforming tool.
  • Plastic injection molded part are in particular by the
  • the first mold cavity and the second mold cavity in the same injection mold
  • the first tool cavity is preferred by positioning a first tool half with respect to a second tool cavity
  • Mold cavity is provided in a second position of the first mold half with respect to the second mold half to achieve efficient positioning and process flow.
  • Reinforcing material is preferably in the form of a flat fabric part and / or in the form of a flat non-woven mat, which has a flexibility perpendicular to the surface normal, provided.
  • Reinforcement material can be used, so that the
  • Plastic injection molded part can also be adjusted by the choice of materials of the reinforcing material.
  • Plastic material between the reinforcing layers can by the appropriate dimensioning of the respective
  • Tool cavities are set.
  • the shape of the respective reinforcing layers can be predetermined by the corresponding contouring of the tool wall against which the respective reinforcing lugs abut. Accordingly, an individual profile can be formed for each reinforcement layer of the layered structure.
  • the present description further also relates to a plastic injection molded part, which by means of
  • Reinforcing material in particular a nonwoven mat or a fabric, is enclosed on a first side of a plastic material and on a second side of a further plastic material is enclosed, wherein the plastic material at least on one side of the
  • Reinforcing material has a three-dimensional structure. In this way, the known
  • planar In a further embodiment, the planar
  • Plastic injection molded part can be provided. Such a selective reinforcement of the plastic injection-molded part results in new design possibilities, in particular also with regard to special lightweight construction.
  • Reinforcing material can then take over the strength functions of three-dimensional injection molding contours.
  • a second planar reinforcing material may be positioned, in particular spaced in the direction of the surface normal of the first
  • Reinforcing material There may also be more than two layers of the reinforcing material layered, which may be arranged in particular at different distances from one another and at least two reinforcing layers may have a mutually different contour.
  • the present description also relates to an apparatus for producing a Plastic injection molded part.
  • the device comprises an injection molding tool with a first mold half and a second mold half, wherein a tool cavity is so
  • a reinforcing material is held by means of a holding mechanism in the mold cavity in such a manner against a wall of the cavity that on one side of the reinforcing material, a first mold cavity
  • the first mold half has at least one
  • Mold cavity may be provided, and the second mold half has at least two tool cavities, wherein the first mold cavity of the second mold half is formed so that by means of the holding mechanism
  • Reinforcing material can be kept adjacent to one wall of the mold cavity, and the second
  • Tool cavity of the second mold half is designed such that the second mold cavity can be provided, wherein the istkavtician the first mold half both with respect to the first mold cavity of the second mold cavity
  • Tool half as well as with respect to the second cavity of the second horrendus e can be positioned.
  • Figure 1 shows schematically an injection molding tool, wherein by means of core retraction technique, a mandrel can be withdrawn, wherein the mandrel is shown in Figure 1 in a first, advanced position and a first mold cavity is formed in the injection mold;
  • FIG. 2 shows the injection molding tool of FIG. 1 in one
  • a state in which the mold core is retracted to a second position to form a second mold cavity shows a second variant of a
  • Tool half and a second tool half can be moved relative to each other and in particular can be rotated against each other to form a corresponding first and a second mold cavity can; shows a preforming tool for performing the method according to another
  • Embodiment wherein in the preform a first mold cavity is formed; shows an injection molding tool with a second mold cavity, in which a molded with the preforming tool according to Figure 4 plastic injection molded part is inserted; and shows a fiber reinforced
  • FIGS. 1 and 2 show a first injection molding tool 1 which comprises a first tool half 10, a second tool half 12 and a mold core 14.
  • the mold core 14 is movable relative to the first mold half 10 and the second mold half 12 and can thus produce a second mold cavity.
  • FIG. 1 shows a configuration of the injection molding tool 1, according to which the mold core 14 in a first
  • a first runner 16 is provided in the first mold half 10, which communicates with the first mold cavity 20.
  • FIG 2 the injection molding tool 1 shown in Figure 1 is shown in a second configuration, according to which a second mold cavity 22 is formed by retracting the mold core 14 relative to the state shown in Figure 1.
  • a second runner 18 is in the second
  • Tool half 12 is provided, wherein the second runner 18 communicates with the second mold cavity 22 and for injecting the plastic melt in the second
  • Tool cavity 22 is used. To a plastic injection molded part according to the present
  • a flat reinforcing material in the form of a fabric mat 30 is first introduced into the first mold cavity 20.
  • the fabric mat 30 is introduced so that it rests flat against the mold cavity 20 the final wall of the mold core 14.
  • the fabric mat 30 is held by a plurality of retaining pins 40.
  • the retaining pins 40 protrude into the first mold cavity 20 and the
  • Fabric mat 30 can be fixed to these retaining pins 40 in their position such that the fabric mat 30 is held adjacent to the wall of the mandrel 14.
  • the injection mold 1 is closed by pressing the first mold half 10 hydraulically and / or electrically onto the second mold half 12. Subsequently, a first plastic melt can be injected into the first mold cavity 20 via the sprue 16.
  • the first shot of the injection process is injected with a dependent of the injected plastic material and the geometry of the tool pressure, for example, at a pressure of about 200 bar.
  • Geometry of the tool dependent reprinting for example, from about 600 bar, close.
  • the second mold cavity 22 is formed in a region between the fabric mat 30 and the wall of the core 14.
  • a further plastic material is then introduced into this second mold cavity 22 via the second runner 18 in a further shot of the injection process.
  • the injection-molded part 3 which carries the reinforcing material 30 and on one side of the reinforcing material 30 the plastic layer 32 injected in the first step, receives in accordance with the second injection process also on the other side of the reinforcing material 30 a
  • Plastic layer can, as customary in injection molded parts, be arbitrarily structured.
  • Reinforcing material constructed plastic structures can virtually any wall thickness perpendicular to the
  • Gutter channel 18 different plastic materials
  • Injection molded part may be required, for example, if the mechanical and / or chemical properties of the
  • planar reinforcing material 30 not only in one
  • planar reinforcing material 30 it is also possible for the planar reinforcing material 30 to be arranged in a three-dimensional alignment within the plastic injection molding part
  • plastic injection molded part In particular, it is possible, for example, by a corresponding configuration of the wall of the mold core 14, the flat
  • Reinforcing material 30 in a wavy, concave, convex or any other form form.
  • the shape of the wall against which the sheet-like reinforcing material 30 abuts is then assumed by the sheet-like reinforcing material 30 and subsequently in the resulting
  • the proposed method has the further advantage that for the first time a planar reinforcing material 30, which has a high flexibility due to its material properties as non-woven mat or as a fabric, in one
  • the core retraction method used in the method shown in Figs. 1 and 2 has the advantage that the second die cavity 22 can be made by simply retracting the mandrel 14, and thus a particularly high clock frequency can be achieved ,
  • a second device 1 'for carrying out the method is shown, which has a first tool half 100 and a second tool half 120.
  • the first tool half 100 has a first tool half 100 and a second tool half 120.
  • Tool half 100 is rotatable relative to the second tool half 120 about a rotation axis 110 such that two
  • Tool half 120 can be made.
  • the first tool half 100 has at least one tool cavity 200 and the second tool half 120 has a first tool cavity 220 and a second tool cavity 222 which are symmetrical to the axis of rotation 110 and complementary to the tool cavity 200 of the first
  • Tool half 100 are arranged.
  • Tool half 120 have different inner contours.
  • the plastic injection-molded part produced in the first tool cavity can in another
  • the first tool half 100 has two mutually identical tool cavities 200, the are arranged symmetrically to the rotation axis 110 and each complementary to the horrkavxtaten 220 and 222 of the second mold half 120.
  • the first tool cavity 220 of the second tool half 120 is formed with a holding mechanism in the form of the retaining pins 40 to hold the sheet reinforcing material 30 in the tool cavity 220 so as to abut against the corresponding wall of the second tool half 120.
  • the retaining mechanism in the form of the retaining pins 40 is released by retracting the retaining pins 40.
  • the wall of the first tool cavity 220 is shown in plan in FIG. 3, this wall may also be contoured in a desired manner to accommodate the
  • the process for producing the plastic injection molded part with the device 1 'then comprises the steps of inserting the reinforcing material 30 into the tool cavity 220 of the second tool half 120, wherein the reinforcing material 30 by means of the retaining pins 40 adjacent to the corresponding wall of the tool cavity 220 in the second tool half 120th is held.
  • the first tool half 100 has a tool cavity 200 in such a way that the first
  • Tool cavity 20 is formed on one side of the reinforcing material 30. Via a runner 16 in the first mold half 100, the plastic material is then injected into the mold cavity 20 such that the
  • Plastic injection molded part which originate from the retaining pins 40, closed by the still flowable plastic material and in particular the application of the emphasis.
  • the first mold half 100 together with the injection molded part 3 therein, which is the planar one
  • Tool half 120 matches. In particular, this is the first tool half 100 relative to the second
  • Tool half 120 is rotated about the axis of rotation 110, or it is implemented in a variant, the plastic injection molded part in another mold cavity.
  • the first tool half 100 In order to achieve a transfer or displacement of the first tool half 100 relative to the second tool half 120, the first tool half 100, if in her the
  • Plastic injection molded part 3 already exists, axially in
  • Plastic injection molded part 3 protrudes beyond the horrinibi 200 of the first mold half 100.
  • Tool half 100 only one type of cavities provided.
  • a first tool cavity 220 is for the first injection process and a second tool cavity 222 for the second injection process
  • planar reinforcing material 30 over its entire surface on the inner wall of the corresponding
  • Tool cavity 220 is applied to achieve an accurate orientation and positioning of the reinforcing material 30. In the second injection, however, in the first
  • Reinforcing material 30 are provided with an arbitrary contour. Accordingly, on the first page of the
  • Plastic injection molded part 3 other surface features, and in particular a different outer contour, are produced than on the second side of the reinforcing material 30th
  • Injection molding tool with two mutually displaceable or mutually rotatable tool halves 100, 120 can be performed here, a plastic injection molded part can be made efficiently and flexibly.
  • FIGS. 4 and 5 show a further embodiment in which a preform tool 3 'is produced in a preform tool 1 ", wherein a first tool half 100 and a second tool half 120 of the preform tool 1" are in turn provided with a holding mechanism in the form of holding pins 40 which is a flat reinforcing material 30 adjacent to a cavity inner wall of the second tool half 120, hold.
  • first tool half 100 By means of the first tool half 100 is a first
  • Mold cavity 20 is provided in which over the first runner 16 plastic material can be injected on one side of the planar Verstarkungsraaterials 30, wherein after the injection process, the retaining pins 14th
  • the preform thus produced is then in a
  • Preform can in turn be held in position in the injection molding tool 1 '' 'by means of retaining pins 40.
  • the preform may also be used for positioning
  • Mold cavity 22 is formed. Via the second sprue channel 18 can then in the second mold half 120 provided by the second mold cavity 22nd
  • Plastic material is already slightly hardened so that generated by the retaining pins 14 in the preform
  • Openings remain. These openings can then serve for the exact subsequent positioning of the preform in the injection molding tool 1 ''', wherein the retaining pins 40 of the injection molding tool 1''' can be passed through the corresponding openings.
  • a planar reinforcing material is inserted into the tool cavity, but at least two. It can
  • Kunststoffrnaterials repeated as often as desired in the corresponding mold cavity, so that different layers of reinforcing material and plastic material can be stacked on top of each other.
  • Design of the tool wall, on which it is held adjacent to be provided with an individual contour.
  • FIG. 6 shows a plastic injection-molded part 3 which has a planar reinforcing material 30 and a one-sided arrangement of the reinforcing material
  • Injection molded plastic structure 34 includes.
  • Plastic injection molded part which is produced by means of the described method that the reinforcing material 30 over its entire surface from both sides of the respective
  • Plastic structures 32, 34 is encircled. Furthermore, any desired wall thicknesses of the sprayed-on plastic material can be produced both on the inside of the reinforcing material 30 and on the other side of the reinforcing material 30, and in particular on both sides of the planar one Reinforcing material can be constructed any injection molding structures.
  • planar In a further embodiment, the planar
  • Reinforcement material 30 may be provided only in a portion of the resulting plastic injection molded part.
  • Reinforcing material may be provided, wherein the layers of the reinforcing material may be spaced apart from each other and the individual reinforcing layers may have different contours.
  • Reinforcing material are also only partially introduced s that it is present in the resulting plastic injection molded part only i a certain area. Such a partial provision of the reinforcing material is particularly advantageous in the area around inserted screws or pins for reinforcement. It should be noted that just a reinforcing material with a smaller

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  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Mechanical Engineering (AREA)
  • Injection Moulding Of Plastics Or The Like (AREA)

Abstract

L'invention concerne un procédé pour la fabrication d'un élément en plastique moulé par injection (3, 3') renforcé par un matériau de renfort plan, en particulier renforcé par un tissu ou un non-tissé. Le procédé consiste à : maintenir un matériau de renfort (30), en particulier un tissu ou un mat de non-tissé, dans un moule à injection de manière à ce qu'il repose sur une paroi du moule, fournir une première cavité de moule (20) sur un côté du matériau de renfort, injecter une matière plastique dans la première cavité de moule, fournir successivement une seconde cavité de moule (22) sur le second côté du matériau de renfort, et injecter une matière plastique dans la seconde cavité de moule.
PCT/EP2009/067357 2009-12-16 2009-12-16 Procédé et dispositif pour la fabrication d'un élément en plastique moulé par injection renforcé par des fibres WO2011072739A1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
EP09801206A EP2512771A1 (fr) 2009-12-16 2009-12-16 Procédé et dispositif pour la fabrication d'un élément en plastique moulé par injection renforcé par des fibres
PCT/EP2009/067357 WO2011072739A1 (fr) 2009-12-16 2009-12-16 Procédé et dispositif pour la fabrication d'un élément en plastique moulé par injection renforcé par des fibres

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/EP2009/067357 WO2011072739A1 (fr) 2009-12-16 2009-12-16 Procédé et dispositif pour la fabrication d'un élément en plastique moulé par injection renforcé par des fibres

Publications (1)

Publication Number Publication Date
WO2011072739A1 true WO2011072739A1 (fr) 2011-06-23

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PCT/EP2009/067357 WO2011072739A1 (fr) 2009-12-16 2009-12-16 Procédé et dispositif pour la fabrication d'un élément en plastique moulé par injection renforcé par des fibres

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EP (1) EP2512771A1 (fr)
WO (1) WO2011072739A1 (fr)

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WO2014149685A1 (fr) * 2013-03-15 2014-09-25 Basf Se Procédé de formation d'un bâti d'un dossier de siège pour un véhicule
DE102013107991A1 (de) * 2013-07-26 2015-02-19 Kraussmaffei Technologies Gmbh Verfahren zur endkonturgetreuen Herstellung mechanisch hoch belastbarer Kunststoff-Bauteile
WO2015049339A1 (fr) * 2013-10-03 2015-04-09 Valeo Systemes Thermiques Moule de surmoulage d'un insert composite et procédé de surmoulage associé
WO2016043603A1 (fr) * 2014-09-16 2016-03-24 Fisher & Paykel Healthcare Limited Ensembles casque et ensembles d'interface avec casque
US10456546B2 (en) 2013-04-24 2019-10-29 Fisher & Paykel Healthcare Limited Automatically adjusting headgear for patient interface
US10646680B2 (en) 2014-09-19 2020-05-12 Fisher & Paykel Healthcare Limited Headgear assemblies and interface assemblies with headgear
CN111629956A (zh) * 2017-12-18 2020-09-04 宝马股份公司 具有塑料泡沫结构的纤维增强的塑料构件
US10828452B2 (en) 2014-09-16 2020-11-10 Fisher & Paykel Healthcare Limited Intramold headgear
US11253668B2 (en) 2016-03-16 2022-02-22 Fisher & Paykel Healthcare Limited Strap assembly, strap connector, headgear, headgear assembly, method of forming headgear, tubular connector, patient interface and method of joining straps
US11607518B2 (en) 2016-03-16 2023-03-21 Fisher & Paykel Healthcare Limited Directional lock for interface headgear arrangement
US11806452B2 (en) 2012-08-08 2023-11-07 Fisher & Paykel Healthcare Limited Headgear for patient interface
US11819618B2 (en) 2016-03-16 2023-11-21 Fisher & Paykel Healthcare Limited Intra-mould substrate
US11865263B2 (en) 2009-12-23 2024-01-09 Fisher & Paykel Healthcare Limited Patient interface and headgear
US11878119B2 (en) 2018-03-16 2024-01-23 Fisher & Paykel Healthcare Limited Headgear with lock disengagement mechanism
US11986595B2 (en) 2017-12-21 2024-05-21 Fisher & Paykel Healthcare Limited Respiratory mask system
US12102764B2 (en) 2017-06-26 2024-10-01 Fisher & Paykel Healthcare Limited Respiratory mask system

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