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US20040206017A1 - Hollow chamber composite article - Google Patents

Hollow chamber composite article Download PDF

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Publication number
US20040206017A1
US20040206017A1 US10/823,124 US82312404A US2004206017A1 US 20040206017 A1 US20040206017 A1 US 20040206017A1 US 82312404 A US82312404 A US 82312404A US 2004206017 A1 US2004206017 A1 US 2004206017A1
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US
United States
Prior art keywords
section
support element
edge region
hollow
abutting
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.)
Abandoned
Application number
US10/823,124
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English (en)
Inventor
Ulrich Dajek
Hubert Goldbach
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.)
Lanxess Deutschland GmbH
Original Assignee
Individual
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 Individual filed Critical Individual
Assigned to BAYER AKTIENGESELLSCHAFT reassignment BAYER AKTIENGESELLSCHAFT ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS). Assignors: GOLDBACH, HUBERT, DAJEK, ULIRCH
Publication of US20040206017A1 publication Critical patent/US20040206017A1/en
Assigned to LANXESS DEUTSCHLAND GMBH reassignment LANXESS DEUTSCHLAND GMBH ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS). Assignors: BAYER AG
Abandoned legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62D—MOTOR VEHICLES; TRAILERS
    • B62D29/00—Superstructures, understructures, or sub-units thereof, characterised by the material thereof
    • B62D29/001—Superstructures, understructures, or sub-units thereof, characterised by the material thereof characterised by combining metal and synthetic material
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62D—MOTOR VEHICLES; TRAILERS
    • B62D29/00—Superstructures, understructures, or sub-units thereof, characterised by the material thereof
    • 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
    • B29C45/1418—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 the inserts being deformed or preformed, e.g. by the injection pressure
    • 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
    • B29C45/14467—Joining articles or parts of a single article
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62D—MOTOR VEHICLES; TRAILERS
    • B62D29/00—Superstructures, understructures, or sub-units thereof, characterised by the material thereof
    • B62D29/001—Superstructures, understructures, or sub-units thereof, characterised by the material thereof characterised by combining metal and synthetic material
    • B62D29/004—Superstructures, understructures, or sub-units thereof, characterised by the material thereof characterised by combining metal and synthetic material the metal being over-moulded by the synthetic material, e.g. in a mould
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62D—MOTOR VEHICLES; TRAILERS
    • B62D29/00—Superstructures, understructures, or sub-units thereof, characterised by the material thereof
    • B62D29/001—Superstructures, understructures, or sub-units thereof, characterised by the material thereof characterised by combining metal and synthetic material
    • B62D29/005—Superstructures, understructures, or sub-units thereof, characterised by the material thereof characterised by combining metal and synthetic material preformed metal and synthetic material elements being joined together, e.g. by adhesives
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62D—MOTOR VEHICLES; TRAILERS
    • B62D29/00—Superstructures, understructures, or sub-units thereof, characterised by the material thereof
    • B62D29/02—Superstructures, understructures, or sub-units thereof, characterised by the material thereof predominantly of wood
    • 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
    • B29L2031/3002—Superstructures characterized by combining metal and plastics, i.e. hybrid parts

Definitions

  • the invention provides a hollow chamber composite component consisting of at least one one-part or multi-part hollow section made of metal or plastic and optionally a one-part or multi-part support element made of metal or plastic residing inside of the hollow section, wherein the support element and the hollow section and/or the hollow section parts are positively bonded (fixedly attached) to each other by means of a thermoplastic material.
  • the invention also provides a process for producing such a hollow chamber composite component.
  • Hollow chamber composite components are disclosed, for example, in DE 198 48 516.
  • a molded-on thermoplastic material is used to bond the half-shell to a covering sheet or top shell.
  • the half-shell and the covering sheet have, for example, a surrounding border which is provided with openings in which riveted joints made of molded-on plastic, for example, are mounted.
  • beads can also be provided at which a shear-resistant, positive bond can also be produced by means of a molded-on plastic material.
  • the present invention is based on the object of providing a hollow chamber composite component in which the molded parts are bonded together with high jointing accuracy.
  • the hollow chamber composite components are intended to be produced in a very simple process.
  • a hollow chamber composite article ( 14 , 14 ′) comprising:
  • a section ( 10 , 10 ′) having exterior ( 17 , 17 ′) and interior ( 20 , 20 ′) surfaces and a hollow interior ( 23 ) (referred to herein as a “hollow section”), said section comprising at least one part ( 1 , 1 ′) and being fabricated from a material selected from the group consisting of metal, plastic and combinations thereof;
  • thermoplastic material ( 4 , 8 ) molded onto at least a portion of the exterior surfaces ( 17 , 17 ′) of said section ( 10 , 10 ′), wherein at least one of,
  • the parts ( 1 , 1 ′) of said section ( 10 , 10 ′) are fixedly attached (positively bonded) together by means of plastic deformation of at least one part of said section (e.g., against, into a bead/depression, or through a perforation in another section part) during molding of thermoplastic material onto at least a portion of the exterior surfaces ( 17 ) of said section ( 10 , 10 ′), and
  • said support element ( 5 ) is fixedly attached (positively bonded) to at least one part ( 1 , 1 ′) of said section ( 10 ′) by means of plastic deformation of at least one part ( 1 , 1 ′) of said section ( 10 ′) against at least a portion ( 7 ) of said support element ( 5 ) during molding of thermoplastic material onto at least a portion of the exterior surfaces ( 17 , 17 ′) of said section ( 10 ′).
  • FIG. 1 is a sectional representation of a hollow chamber composite component according to the invention, that includes two half-shells ( 1 , 1 ′) which are positively bonded (fixedly attached) together by at least one pair of abutting edge regions ( 26 );
  • FIG. 2 is a sectional representation of a hollow chamber composite component according to the invention that includes two half-shells or parts ( 1 , 1 ′) and a support structure or element ( 5 ) residing within the hollow interior ( 23 ) of the section ( 10 ′), and where the support structure ( 5 ) is fixedly attached to each half-shell/part ( 1 , 1 ′) of the hollow section ( 10 ′); and
  • FIG. 3 is a sectional representation of an abutting edge region ( 26 ′) in which the edge region of one section part includes a bead (or depression) ( 29 ) into which a portion ( 32 ) of the edge region of the other abutting edge region is plastically deformed, thereby fixedly attaching the section parts together.
  • FIGS. 1 through 3 like reference numerals designate the same operations and components.
  • the hollow chamber composite component according to the invention has a one-part or multi-part hollow section made of metal or plastic.
  • the hollow section may be open, e.g. in the form of a half-shell or a roll section, or closed, e.g. in the form of a tube with any cross-section, for example a round or rectangular cross-section.
  • a one-part hollow section may be, for example, a tube.
  • a multi-part hollow section may be composed, for example, of two half-shells or a half-shell and a covering sheet.
  • the hollow section may have any three-dimensional shape.
  • several hollow sections may be bonded to each other and thus form a complex three-dimensional hollow structure, e.g., with branches. If the hollow section is made up of several parts, then the hollow section parts (e.g., two half-shells) are bonded together positively by means of a molded-on thermoplastic material.
  • the support element is positively bonded to the interior of the hollow section by means of a molded-on thermoplastic material.
  • the support element may be a one-part or a multi-part structure.
  • the support element may also be produced either as a solid structure or one having recesses (e.g., cavities, channels or the like).
  • the support element may divide the hollow section into several channels which may be used, for example, as cable ducts or air ducts. More particularly, the exterior surfaces of the support element and the interior surfaces of the hollow section together define a plurality of channels. At least a portion of the support element may be adjacent to the internal wall of the hollow section.
  • the support element may be used, for example, to support the hollow section against the injection pressure of the molded-on plastic material, because undesirable plastic deformations may occur during the molding-on of further molded parts or overspraying of the hollow section.
  • the support element is preferably adjacent to the internal wall only in the regions where further molded parts are to be externally molded-on to the hollow section or the hollow section is to be oversprayed.
  • the geometry of the support element is chosen so that it exerts a supporting function from within the hollow section, against the injection pressure of the plastic material.
  • the support element may also be used to improve the rigidity and strength of the hollow section.
  • the shear-resistant, positive bonding together of the support element and the hollow section and/or hollow section parts is achieved by plastic deformation of at least one hollow section part by molding-on the thermoplastic material.
  • the hollow section has several parts and consists, for example, of two half-shells or a half-shell and a covering sheet, then the hollow section parts are bonded to each other, for example, in the edge region in which the two section parts are located above each other or alongside each other.
  • one of the section parts has openings and/or beads in the edge region which are covered by the edge region of the other section part.
  • one or other of the section parts may alternately have openings and/or beads which are each covered by the other section part.
  • the part of the section in the region of the opening which covers the opening is plastically deformed by being pushed into the opening.
  • the injection pressure of the plastic is great enough for the section part made of metal or plastic to become deformed in the region of the injection point.
  • the mold cavity in the injection mold has a cavity in the region of the opening into which the molded-on plastic cannot enter.
  • a shear-resistant, positive bond is produced between the two section parts.
  • the hollow section ( 10 ) includes at least two parts (e.g., 1 and 1 ′) each having an edge region ( 2 , 2 ′), at least a portion of the edge region of each section part abuts at least a portion of the edge region of another section part, and together forms at least one abutting edge region ( 26 , 26 ′).
  • at least one edge region ( 2 ′) has at least one aperture ( 3 ) and/or at least one bead or depression ( 29 , of FIG. 3).
  • edge region abutting the aperture ( 3 ) and/or bead ( 29 ) is plastically deformed through the aperture ( 3 ) and/or plastically deformed into the bead ( 29 ) during molding of thermoplastic material onto at least a portion of the abutting edge region ( 26 , 26 ′).
  • Such plastic deformation with an abutting edge region serves to fixedly attach the parts of said section together (when the hollow section is composed of two or more parts).
  • the hollow section has two parts and the two hollow section parts are located alongside each other in an edge region, wherein one of the hollow section parts has openings and/or beads in the edge region and the other hollow section part is plastically deformed in the region of the openings and/or beads due to molding-on of on the thermoplastic material.
  • wall thicknesses of the order of magnitude up to 2 mm can be used for composite components according to the invention.
  • the wall thickness may even be of the order of magnitude up to 4 mm (e.g., from 0.3 to 4 mm).
  • the support element can be bonded to the hollow section in a similar way.
  • the support element is not adjacent to the internal wall of the hollow section in the region of plastic deformation, but has, for example, a hollow cavity in the form of a channel, a recess or the like.
  • the hollow section is plastically deformed in the region of the recess in the support element by the hollow section being pushed into the recess or the like.
  • the support element ( 5 ) may include at least one recess, such as channel ( 7 ), and a portion ( 9 , 9 ′) of the hollow section ( 10 ′) is plastically deformed into the recess during molding of thermoplastic material ( 8 ) onto at least a portion of the exterior surfaces ( 17 , 17 ′) of section ( 10 ′).
  • Such plastic deformation of the hollow section ( 10 ′) into recess/channel ( 7 ) of internal support element ( 5 ) serves to fixedly attach support element ( 5 ) and the hollow section ( 10 ′) together.
  • the hollow section with support element according to the invention can be partly or completely encapsulated by injection molding.
  • the support element then protects the hollow section from collapsing or from unintentional deformation during molding-on of the plastic.
  • Preferred metals for the molded parts are steel, nickel, chromium, iron, copper, zinc, titanium, aluminum and magnesium as well as alloys of these metals.
  • Preferred plastics for the molded parts are non-reinforced, reinforced and/or filled thermoplastic materials, e.g. polycarbonate (PC), thermoplastic polyurethane (PU), polyesters, in particular polyethylene terephthalate (PET), polystyrene (PS), syndiotactic polystyrene, acrylonitrile-butadiene-styrene (ABS), polypropylene oxide (PPO), polysulfone (PSO), polyphenylenesulfide (PPS), polyimide (PI), polyether ether ketone (PEEK), polyamide (PA), polybutylene terephthalate (PBT), polypropylene (PP), polyethylene (PE) or a mixture of these plastics.
  • PC polycarbonate
  • PU thermoplastic polyurethane
  • PET polyethylene terephthalate
  • PS polystyrene
  • syndiotactic polystyrene acrylonitrile-butadiene-s
  • Suitable thermoplastic materials for positively bonding the molded parts together include in particular a non-reinforced, reinforced and/or filled plastic material based on polyamide (PA), polyesters, in particular polyethylene terephthalate (PET), polybutylene terephthalate (PBT), polystyrene (PS), syndiotactic polystyrene, acrylonitrile-butadiene-styrene (ABS), thermoplastic polyurethane (PU), polyolefins, in particular polypropylene (PP), polyethylene (PE), polycarbonate (PC), polypropylene oxide (PPO), polysulfone (PSO), polyphenylenesulfide (PPS), polyimide (PI), polyether ether ketone (PEEK) or a mixture of these plastics.
  • PA polyamide
  • PET polyethylene terephthalate
  • PBT polybutylene terephthalate
  • PS polystyrene
  • the invention also provides a process for producing a hollow chamber composite component consisting of at least a one-part or multi-part hollow section made of metal or a plastic and optionally a one-part or multi-part support element made of metal or plastic inside the hollow section, wherein the support element and the hollow section and/or hollow section parts are positively bonded together by means of a thermoplastic material, characterised in that the support element is bonded to the hollow section and/or hollow section parts due to plastic deformation of at least one hollow section part during molding-on of the thermoplastic material.
  • Positive bonding together of the support element and the hollow section and/or hollow section parts is preferably performed in one process step with molding-on of one or more molded parts to the hollow section.
  • both process steps, positive bonding and the molding-on of further molded parts are performed in one process step.
  • Further molded parts which may be molded-onto the hollow chamber composite component preferably consist of a plastic material, e.g. non-reinforced, reinforced and/or filled thermoplastic materials, e.g.
  • PC polycarbonate
  • PU thermoplastic polyurethane
  • PET polyethylene terephthalate
  • PS polystyrene
  • ABS polypropylene oxide
  • PPO polysulfone
  • PES polyphenylenesulfide
  • PES polyimide
  • PEEK polyether ether ketone
  • PA polyamide
  • PBT polybutylene terephthalate
  • PE polyethylene
  • PE polyethylene
  • metal e.g. steel, nickel, chromium, iron, copper, zinc, titanium, aluminum and magnesium as well as alloys of these metals.
  • the hollow chamber composite component according to the invention has the advantage that the molded parts are bonded together with high accuracy and reproducibility so that there is no need to adjust the jointing positions with respect to each other. The accuracy is greater than when using a separate jointing technique, such as welding or riveting operations.
  • the process according to the invention for producing a hollow chamber composite component also has the advantage that bonding the section parts together and bonding the support element to the hollow section and also the molding-on of further molded parts takes place in one working step. Since the support element simultaneously protects the hollow section from undesirable plastic deformation during encapsulation by injection molding with a plastic material or during the molding-on of further molded parts, other precautions to prevent deformation of the hollow section do not also have to be taken, such as e.g. the insertion of a solid core to support the hollow section, this having to be removed again after the molding-on process.
  • FIG. 1 shows a detail from a hollow section 10 made from two half-shells 1 , 1 ′, e.g. from a metal such as steel, nickel chromium, iron, copper, zinc, titanium, aluminum and magnesium or alloys of these metals or from a non-reinforced, reinforced and/or filled thermoplastic material such as polycarbonate (PC), thermoplastic polyurethane (PU), polyesters, in particular polyethylene terephthalate (PET), polystyrene (PS), syndiotactic polystyrene, acrylonitrile-butadiene-styrene (ABS), polypropylene oxide (PPO), polysulfone (PSO), polyphenylenesulfide (PPS), polyimide (PI), polyether ether ketone (PEEK), polyamide (PA), polybutylene terephthalate (PBT), polypropylene (PP), polyethylene (PE) or a mixture of these plastics.
  • PC polycarbonate
  • the half-shells 1 , 1 ′ have a bent edge region 2 , 2 ′.
  • One of the half-shells 1 ′ has an opening 3 in edge region 2 ′.
  • FIG. 2 shows a hollow chamber composite component 10 ′ consisting of two half-shells 1 , 1 ′ and a support element 5 inside hollow section 10 ′.
  • the half-shells 1 , 1 ′ consist, for example, of a metal such as steel, nickel chromium, iron, copper, zinc, titanium, aluminum and magnesium or alloys of these metals or of a non-reinforced, reinforced and/or filled thermoplastic material such as polycarbonate (PC), thermoplastic polyurethane (PU), polyesters, in particular polyethylene terephthalate (PET), polystyrene (PS), syndiotactic polystyrene, acrylonitrile-butadiene-styrene (ABS), polypropylene oxide (PPO), polysulfone (PSO), polyphenylenesulfide (PPS), polyimide (PI), polyether ether ketone (PEEK), polyamide (PA),
  • PC polycarbonate
  • PU thermoplastic polyurethane
  • the support element 5 consists, for example, of a metal such as steel, nickel chromium, iron, copper, zinc, titanium, aluminum and magnesium or alloys of these metals or of a non-reinforced, reinforced and/or filled thermoplastic material such as polycarbonate (PC), thermoplastic polyurethane (PU), polyesters, in particular polyethylene terephthalate (PET), polystyrene (PS), syndiotactic polystyrene, acrylonitrile-butadiene-styrene (ABS), polypropylene oxide (PPO), polysulfone (PSO), polyphenylenesulfide (PPS), polyimide (PI), polyether ether ketone (PEEK), polyamide (PA), polybutylene terephthalate (PBT), polypropylene (PP), polyethylene (PE) or a mixture of these plastics.
  • PC polycarbonate
  • PU thermoplastic polyurethane
  • PET polyethylene terephthalate
  • PS poly
  • Support element 5 is positively bonded to hollow section 10 ′ in a shear-resistant manner by plastically deformed portions 9 , 9 ′ of half-shells 1 , 1 ′.
  • Plastically deformed portions 9 , 9 ′ are formed during overspraying (over-molding) of the hollow section 10 ′ using a thermoplastic material 8 .
  • support element 5 possesses recess in the forma of a channel 7 .
  • support element 5 provides no counter-pressure from inside to the injection pressure during molding-on of the plastic material 8 from outside, so that in this region portions 9 , 9 ′, the half-shells 1 , 1 ′ are pushed (plastically deformed) into channel 7 .

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Structural Engineering (AREA)
  • Combustion & Propulsion (AREA)
  • Transportation (AREA)
  • Architecture (AREA)
  • Manufacturing & Machinery (AREA)
  • Injection Moulding Of Plastics Or The Like (AREA)
  • Laminated Bodies (AREA)
  • Blow-Moulding Or Thermoforming Of Plastics Or The Like (AREA)
  • Body Structure For Vehicles (AREA)
  • Materials For Medical Uses (AREA)
US10/823,124 2003-04-15 2004-04-13 Hollow chamber composite article Abandoned US20040206017A1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE10317217.3 2003-04-15
DE10317217A DE10317217A1 (de) 2003-04-15 2003-04-15 Hohlkammer-Verbundbauteil

Publications (1)

Publication Number Publication Date
US20040206017A1 true US20040206017A1 (en) 2004-10-21

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US10/823,124 Abandoned US20040206017A1 (en) 2003-04-15 2004-04-13 Hollow chamber composite article

Country Status (9)

Country Link
US (1) US20040206017A1 (de)
EP (1) EP1615816B1 (de)
JP (1) JP2006524158A (de)
KR (1) KR20060005366A (de)
CN (1) CN100384677C (de)
AT (1) ATE334864T1 (de)
DE (2) DE10317217A1 (de)
ES (1) ES2270371T3 (de)
WO (1) WO2004091999A1 (de)

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EP1920899A1 (de) * 2006-11-13 2008-05-14 Voestalpine Automotive Holding GmbH Verfahren zur Herstellung von Kunststoff-Hybrid-Bauteilen, korrespondierendes Werkzeug und Verwendung eines solchen Werkzeugs
WO2015139920A1 (de) * 2014-03-20 2015-09-24 Bayerische Motoren Werke Aktiengesellschaft Strukturformteil, kraftfahrzeugausstattungselement und verfahren zur herstellung eines strukturformteils
EP3104036A4 (de) * 2014-02-06 2017-02-08 Teijin Limited Stossdämpfendes harzelement und fahrzeugkomponente
US10773432B2 (en) 2017-03-03 2020-09-15 Lanxess Deutschland Gmbh Hollow profile composite technology
CN111993983A (zh) * 2020-09-17 2020-11-27 中集车辆(集团)股份有限公司 冷藏车及其保温壁板

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DE102008031348A1 (de) * 2008-07-02 2010-01-07 Röchling Automotive AG & Co. KG Verbundbauteil aus wenigstens zwei Teilkomponenten und einer diese verbindenden Fügekomponente sowie Verfahren zur Herstellung desselben
JP5167204B2 (ja) * 2008-07-04 2013-03-21 大成プラス株式会社 接合薄板金属構造体
DE102010060176A1 (de) * 2010-10-26 2012-04-26 Ensinger Gmbh Isoliersteg
KR102160139B1 (ko) * 2012-05-23 2020-09-25 바스프 에스이 열가소성 물질을 포함하는 물품의 마찰 용접 이음부
WO2018114731A1 (de) 2016-12-23 2018-06-28 Lanxess Deutschland Gmbh Hohlprofil-verbundtechnologie
ES2889948T3 (es) * 2018-03-14 2022-01-14 Lanxess Deutschland Gmbh Tecnología de materiales compuestos de perfil hueco
EP3715083A1 (de) * 2019-03-28 2020-09-30 LANXESS Deutschland GmbH Hohlprofil-verbundtechnologie

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EP3104036A4 (de) * 2014-02-06 2017-02-08 Teijin Limited Stossdämpfendes harzelement und fahrzeugkomponente
US10428894B2 (en) 2014-02-06 2019-10-01 Teijin Limited Resin-made impact absorption member and vehicular component
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US10773432B2 (en) 2017-03-03 2020-09-15 Lanxess Deutschland Gmbh Hollow profile composite technology
CN111993983A (zh) * 2020-09-17 2020-11-27 中集车辆(集团)股份有限公司 冷藏车及其保温壁板

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ATE334864T1 (de) 2006-08-15
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ES2270371T3 (es) 2007-04-01
CN1774362A (zh) 2006-05-17
DE502004001109D1 (de) 2006-09-14
KR20060005366A (ko) 2006-01-17
WO2004091999A1 (de) 2004-10-28
CN100384677C (zh) 2008-04-30
JP2006524158A (ja) 2006-10-26
EP1615816B1 (de) 2006-08-02

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