Classifications

• • B—PERFORMING OPERATIONS; TRANSPORTING
  • B60—VEHICLES IN GENERAL
  • B60H—ARRANGEMENTS OF HEATING, COOLING, VENTILATING OR OTHER AIR-TREATING DEVICES SPECIALLY ADAPTED FOR PASSENGER OR GOODS SPACES OF VEHICLES
  • B60H1/00—Heating, cooling or ventilating [HVAC] devices
  • B60H1/00507—Details, e.g. mounting arrangements, desaeration devices
  • B60H1/00557—Details of ducts or cables
  • B60H1/00564—Details of ducts or cables of air ducts
• • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
  • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
  • F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
  • F16L9/00—Rigid pipes
  • F16L9/12—Rigid pipes of plastics with or without reinforcement
  • F16L9/133—Rigid pipes of plastics with or without reinforcement the walls consisting of two layers
• • 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
  • B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
  • B29C48/03—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor characterised by the shape of the extruded material at extrusion
  • B29C48/09—Articles with cross-sections having partially or fully enclosed cavities, e.g. pipes or channels
• • 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
  • B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
  • B29C48/03—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor characterised by the shape of the extruded material at extrusion
  • B29C48/12—Articles with an irregular circumference when viewed in cross-section, e.g. window profiles
• • 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
  • B29C65/00—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor
  • B29C65/02—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure
  • B29C65/022—Particular heating or welding methods not otherwise provided for
  • B29C65/028—Particular heating or welding methods not otherwise provided for making use of inherent heat, i.e. the heat for the joining comes from the moulding process of one of the parts to be joined
• • 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
  • B29C65/00—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor
  • B29C65/02—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure
  • B29C65/10—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using hot gases (e.g. combustion gases) or flames coming in contact with at least one of the parts to be joined
• • 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
  • B29C66/00—General aspects of processes or apparatus for joining preformed parts
  • B29C66/01—General aspects dealing with the joint area or with the area to be joined
  • B29C66/05—Particular design of joint configurations
  • B29C66/10—Particular design of joint configurations particular design of the joint cross-sections
  • B29C66/13—Single flanged joints; Fin-type joints; Single hem joints; Edge joints; Interpenetrating fingered joints; Other specific particular designs of joint cross-sections not provided for in groups B29C66/11 - B29C66/12
  • B29C66/131—Single flanged joints, i.e. one of the parts to be joined being rigid and flanged in the joint area
  • B29C66/1312—Single flange to flange joints, the parts to be joined being rigid
• • 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
  • B29C66/00—General aspects of processes or apparatus for joining preformed parts
  • B29C66/50—General aspects of joining tubular articles; General aspects of joining long products, i.e. bars or profiled elements; General aspects of joining single elements to tubular articles, hollow articles or bars; General aspects of joining several hollow-preforms to form hollow or tubular articles
  • B29C66/51—Joining tubular articles, profiled elements or bars; Joining single elements to tubular articles, hollow articles or bars; Joining several hollow-preforms to form hollow or tubular articles
  • B29C66/52—Joining tubular articles, bars or profiled elements
  • B29C66/524—Joining profiled 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
  • B29C66/00—General aspects of processes or apparatus for joining preformed parts
  • B29C66/50—General aspects of joining tubular articles; General aspects of joining long products, i.e. bars or profiled elements; General aspects of joining single elements to tubular articles, hollow articles or bars; General aspects of joining several hollow-preforms to form hollow or tubular articles
  • B29C66/51—Joining tubular articles, profiled elements or bars; Joining single elements to tubular articles, hollow articles or bars; Joining several hollow-preforms to form hollow or tubular articles
  • B29C66/53—Joining single elements to tubular articles, hollow articles or bars
  • B29C66/532—Joining single elements to the wall of tubular articles, hollow articles or bars
  • B29C66/5324—Joining single elements to the wall of tubular articles, hollow articles or bars said single elements being substantially annular, i.e. of finite length
  • B29C66/53241—Joining single elements to the wall of tubular articles, hollow articles or bars said single elements being substantially annular, i.e. of finite length said articles being tubular and said substantially annular single elements being of finite length relative to the infinite length of said tubular articles
• • 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
  • B29C66/00—General aspects of processes or apparatus for joining preformed parts
  • B29C66/50—General aspects of joining tubular articles; General aspects of joining long products, i.e. bars or profiled elements; General aspects of joining single elements to tubular articles, hollow articles or bars; General aspects of joining several hollow-preforms to form hollow or tubular articles
  • B29C66/51—Joining tubular articles, profiled elements or bars; Joining single elements to tubular articles, hollow articles or bars; Joining several hollow-preforms to form hollow or tubular articles
  • B29C66/54—Joining several hollow-preforms, e.g. half-shells, to form hollow articles, e.g. for making balls, containers; Joining several hollow-preforms, e.g. half-cylinders, to form tubular articles
  • B29C66/547—Joining several hollow-preforms, e.g. half-cylinders, to form tubular articles, e.g. endless tubes
• • 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
  • B29C66/00—General aspects of processes or apparatus for joining preformed parts
  • B29C66/50—General aspects of joining tubular articles; General aspects of joining long products, i.e. bars or profiled elements; General aspects of joining single elements to tubular articles, hollow articles or bars; General aspects of joining several hollow-preforms to form hollow or tubular articles
  • B29C66/61—Joining from or joining on the inside
  • B29C66/612—Making circumferential joints
• • 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
  • B29C66/00—General aspects of processes or apparatus for joining preformed parts
  • B29C66/70—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material
  • B29C66/71—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material characterised by the composition of the plastics material of the parts to be joined
• • 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
  • B29C66/00—General aspects of processes or apparatus for joining preformed parts
  • B29C66/70—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material
  • B29C66/72—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material characterised by the structure of the material of the parts to be joined
  • B29C66/727—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material characterised by the structure of the material of the parts to be joined being porous, e.g. foam
• • 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
  • B29K2021/00—Use of unspecified rubbers as moulding material
  • B29K2021/003—Thermoplastic elastomers
• • 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
• • 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
  • B29L2031/26—Sealing devices, e.g. packaging for pistons or pipe joints
  • B29L2031/265—Packings, Gaskets
• • 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
  • B29L2031/3055—Cars

Definitions

• the invention relates to an air flow channel for a ventilation device of a motor vehicle according to the preamble of claim 1. Furthermore, the invention relates to a method for producing an air flow channel for a ventilation device of a motor vehicle according to the preamble of claim 1 first
• At least one tube opening of the air flow channel for stabilization and in a continuation of the same in the axial direction, at least one at least one tube opening of the air flow channel, longitudinal edges with edge flanges connected to each other connected shells made of dimensionally stable and form-elastic plastic foam
• Polypropylene or polyethylene are attached.
• WO 2006/024316 A1 describes a method for bonding a layer of thermoplastic polymer to the surface of a
• thermoplastic layer is pressed against this surface while it is heated by thermal radiation, in particular laser light.
• the thermoplastic layer is transparent to these waves as they are absorbed by the surface of the elastomer. From DE 10 2008 010 023 A1, DE 10 2004 049 398 A1 and DE 10 2006 016 483 A1 further air channels are known, which in
• Transition or connecting portions have sealing portions, in which sealing elements are arranged cohesively.
• Air flow ducts for a ventilation device of a motor vehicle the object is achieved by the features specified in claim 1 1.
• a sealing element is materially arranged on at least one pipe opening of the air flow channel, in the region of an opening edge, wherein the sealing element by means of a reflow process or a
• thermal welding process in the region of the opening edge of the pipe opening can be arranged such or can be applied to the air flow channel, that connects the molten material of the sealing element with the heated material of the air flow channel.
• the air flow channel and at least one sealing element are connected to form a one-piece component, so that an assembly of the component is simplified.
• Air flow duct with sealing element significantly reduced, as compared to the conventional production of an air flow channel with a separate flange and sealing element, a number of components and a number of necessary manufacturing steps is reduced.
• the sealing element are suitably made of an elastic
• Plastic and the air flow channel formed from a thermoplastic material formed from a thermoplastic material.
• the sealing element is formed from a foamed plastic. This is a permanent one
• the sealing element is formed from a thermoplastic elastomer, in particular from so-called TPE foam.
• a thermoplastic elastomer in particular from so-called TPE foam.
• TPE foam Such a material can be processed well thermoplastic and has rubber-like properties.
• the air flow channel is in one possible embodiment of polyolefin, in particular of a polyolefin foam, such. B. of polyethylene or polypropylene. Such a material is particularly suitable for partial heating.
• Air flow channel provided that the sealing element is arranged positively and / or non-positively on the air flow channel.
• the sealing element is on a barb-like shape or a projecting shoulder applied to the air flow channel.
• For frictional connection of the air flow channel over a surface for. B. slipped one end of an adjacent further air flow channel, wherein the sealing element between the ends of the nested air flow channels is arranged and deformed, in particular
• the sealing element preferably extends along the tube opening radially circumferentially in the air flow channel. This allows a particularly efficient sealing effect of the sealing element.
• the sealing element is arranged on the inside in the region of the opening edge.
• a conventional flange of a further air flow channel can be sealed in a simple manner, arranged on or in the opening edge.
• the sealing element can be arranged on the outside in the region of the opening edge.
• the sealing element may advantageously have a round or polygonal cross-section.
• the sealing element is designed as a hollow profile. As a result, a reduction in weight is made possible and a material insert necessary for producing the sealing element is reduced. Furthermore, such a sealing element is particularly flexible and has an improved thermal insulation effect.
• Ventilation device of a motor vehicle at least one pipe opening of the air flow passage in the region of an opening edge, a sealing element applied cohesively.
• the air flow channel and at least one sealing element are connected to a one-piece component, so that manufacturing costs of the component are significantly reduced and assembly of the component is simplified.
• thermoplastic elastomer sealing element is preferably by means of a melting process cohesively on the
• Air flow channel applied making a particularly durable
• connection between the air flow channel and the sealing element is made possible.
• the air flow channel is partially heated in the region of the applied sealing element, for example by hot air, and the molten material of the sealing element is applied, in particular sprayed, along the opening edge of the air flow channel.
• Fig. 1 shows schematically a sectional view through a
• Fig. 2 shows schematically a sectional view in the direction of a
• Fig. 5 shows schematically a second embodiment of a
• Figure 1 shows schematically a sectional view through a
• the air flow passage 1 is formed as a conventional air flow passage for a ventilation device of a motor vehicle and
• the air flow channel 1 is preferably in a so-called
• Two-shell construction made of two individual shells 3, 4, wherein at the longitudinal edges of the half-shells 3, 4 edge flanges 5 are arranged and adjoining connected half-shells.
• the edge flanges 5 of the half-shells 3, 4 are formed corresponding to one another and are arranged in such a way that they form a tubular cavity with at least two tube openings 6,
• an input and an output train for example, an input and an output train.
• the half-shells 3, 4 on the mutually juxtaposed edge flanges 5 of the half-shells 3, 4 form, material and / or non-positively connected to each other, for example mechanically and / or thermally added, z. B. welded, soldered, riveted or connected together in any other suitable manner.
• the edge flanges 5 of the half-shells 3, 4 by means of a thermal
• the half-shells 3, 4 of the air flow channel 1 consist for example of a thermoplastic material.
• the half shells 3, 4 made of polyolefin, in particular of polyethylene or polypropylene formed.
• the half-shells 3, 4 are made of a chemically crosslinked, closed-cell polyethylene foam with a roughened surface, which is suitable for use in a temperature range of about -40 ° C to about 100 ° C and also dimensionally stable and form-elastic.
• Each pipe opening 6 comprises an opening edge 2, with which a further air flow channel 12 shown in FIGS. 4 and 5 can be coupled.
• further components to be connected to the air flow channel 1 for example ventilation openings and / or grids, can be arranged at the opening edge 2.
• Sealing element 7 cohesively arranged.
• the sealing element extends along the tube opening 6 radially circumferentially in the air flow channel. 1
• Air flow channel 1 is arranged.
• Air flow channel 1 is arranged. In a second embodiment, not shown, that is
• Air flow channel 1 is arranged.
• the sealing element 7 is formed from a foamed and / or elastic plastic, wherein the sealing element 7 is advantageously formed from a thermoplastic elastomer, in particular from a so-called TPE foam.
• FIG. 2 schematically shows a sectional illustration along the section edge II - II shown in FIG. 1 in the direction of a longitudinal extent of the air flow channel 1 in the region of the opening edge 2.
• FIG. 3 schematically shows different cross-sectional variants of the sealing element 7.
• the sealing element 7 can have a round or polygonal cross-section and, for example, be formed with a round cross section 8, a triangular cross section 9 or a square cross section 10.
• the sealing element 7 may be formed as a solid profile or as a hollow profile 1 1.
• the sealing element 7 which can be formed from a thermoplastic elastomer, is applied to the air flow channel 1 in a materially bonded manner by means of a conventional melting process.
• a robot performs a conventional extrusion nozzle along the opening edge 2 of the air flow channel 1, while at the same time the opening edge 2 is partially heated by hot air in the region of the applied sealing element 7.
• Sealing element 7 connects to the heated material of the Air flow channel 1 and thus forms a bond, which is already fixed after a short time.
• This bond is advantageously so strong or mechanically resilient that the sealing element 7 at the same time as
• Figure 4 shows schematically a first embodiment of an arrangement of a first air flow channel 1 at another
• Air flow channel 12 is increased, so that the air flow channels 1, 12 are pushed into one another at the end.
• the sealing element 7 is arranged on the inside on the opening edge 2 of the first air flow channel 1.
• the elastic sealing element 7 is deformed such that it rests positively and / or non-positively on the outside of the further air flow channel 12 and the interior of the air flow channels 1, 12 seals against the environment.
• FIG. 5 schematically shows a second embodiment variant of FIG
• This barb-like shape 13 is arranged.
• This barb-like formation 13 comprises a rising portion 14, in the course of which the outer diameter of the opening edge 2 increases and a right angle or approximately perpendicular to the surface of the opening edge 2 arranged portion 15, which has the enlarged outer diameter and the surface of the opening edge 2, forming a shoulder 16 connects.
• the sealing element 7 is held on the shoulder 16 to form a positive connection.

Landscapes

• Engineering & Computer Science (AREA)
• Mechanical Engineering (AREA)
• General Engineering & Computer Science (AREA)
• Physics & Mathematics (AREA)
• Thermal Sciences (AREA)
• Air-Conditioning For Vehicles (AREA)
• Lining Or Joining Of Plastics Or The Like (AREA)
• Buffer Packaging (AREA)

Applications Claiming Priority (2)

Publications (1)

Family

ID=46331295

Family Applications (1)

Country Status (7)

Families Citing this family (2)

Family Cites Families (19)

• 2011
  • 2011-06-16 DE DE102011077672A patent/DE102011077672A1/de not_active Withdrawn
• 2012
  • 2012-06-15 WO PCT/EP2012/061453 patent/WO2012172053A1/de active Application Filing
  • 2012-06-15 US US14/126,474 patent/US20140202572A1/en not_active Abandoned
  • 2012-06-15 CN CN201280029469.7A patent/CN103732426A/zh active Pending
  • 2012-06-15 EP EP12729100.3A patent/EP2720891A1/de not_active Withdrawn
  • 2012-06-15 KR KR1020147001019A patent/KR20140021071A/ko not_active Application Discontinuation
  • 2012-06-15 JP JP2014515206A patent/JP2014516866A/ja active Pending

Non-Patent Citations (1)

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