WO2022168599A1 - ベルトモール及びその製造方法 - Google Patents
ベルトモール及びその製造方法 Download PDFInfo
- Publication number
- WO2022168599A1 WO2022168599A1 PCT/JP2022/001579 JP2022001579W WO2022168599A1 WO 2022168599 A1 WO2022168599 A1 WO 2022168599A1 JP 2022001579 W JP2022001579 W JP 2022001579W WO 2022168599 A1 WO2022168599 A1 WO 2022168599A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- end cap
- molding body
- molding
- side wall
- belt
- Prior art date
Links
- 238000000465 moulding Methods 0.000 title claims abstract description 227
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 19
- 238000003780 insertion Methods 0.000 claims abstract description 94
- 230000037431 insertion Effects 0.000 claims abstract description 94
- 238000002844 melting Methods 0.000 claims abstract description 19
- 230000008018 melting Effects 0.000 claims abstract description 19
- 238000000034 method Methods 0.000 claims description 28
- 229920005992 thermoplastic resin Polymers 0.000 claims description 18
- 230000015572 biosynthetic process Effects 0.000 claims description 4
- 230000002093 peripheral effect Effects 0.000 claims description 3
- 239000000463 material Substances 0.000 abstract description 18
- 230000000694 effects Effects 0.000 description 23
- 229920005989 resin Polymers 0.000 description 17
- 239000011347 resin Substances 0.000 description 17
- 229920001707 polybutylene terephthalate Polymers 0.000 description 6
- 230000008569 process Effects 0.000 description 6
- 230000006866 deterioration Effects 0.000 description 4
- -1 polybutylene terephthalate Polymers 0.000 description 4
- 238000003825 pressing Methods 0.000 description 4
- 239000004743 Polypropylene Substances 0.000 description 3
- 230000009471 action Effects 0.000 description 3
- 229920001155 polypropylene Polymers 0.000 description 3
- 239000004696 Poly ether ether ketone Substances 0.000 description 2
- 239000004952 Polyamide Substances 0.000 description 2
- 239000004734 Polyphenylene sulfide Substances 0.000 description 2
- PPBRXRYQALVLMV-UHFFFAOYSA-N Styrene Chemical compound C=CC1=CC=CC=C1 PPBRXRYQALVLMV-UHFFFAOYSA-N 0.000 description 2
- 230000035515 penetration Effects 0.000 description 2
- 229920002647 polyamide Polymers 0.000 description 2
- 229920002530 polyetherether ketone Polymers 0.000 description 2
- 229920006324 polyoxymethylene Polymers 0.000 description 2
- 229920000069 polyphenylene sulfide Polymers 0.000 description 2
- 206010016275 Fear Diseases 0.000 description 1
- 229930182556 Polyacetal Natural products 0.000 description 1
- BZHJMEDXRYGGRV-UHFFFAOYSA-N Vinyl chloride Chemical compound ClC=C BZHJMEDXRYGGRV-UHFFFAOYSA-N 0.000 description 1
- 239000004676 acrylonitrile butadiene styrene Substances 0.000 description 1
- 229920000122 acrylonitrile butadiene styrene Polymers 0.000 description 1
- 230000000295 complement effect Effects 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000005489 elastic deformation Effects 0.000 description 1
- 229920001971 elastomer Polymers 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000003892 spreading Methods 0.000 description 1
- 230000007480 spreading Effects 0.000 description 1
- 229920002397 thermoplastic olefin Polymers 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Images
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60J—WINDOWS, WINDSCREENS, NON-FIXED ROOFS, DOORS, OR SIMILAR DEVICES FOR VEHICLES; REMOVABLE EXTERNAL PROTECTIVE COVERINGS SPECIALLY ADAPTED FOR VEHICLES
- B60J10/00—Sealing arrangements
- B60J10/70—Sealing arrangements specially adapted for windows or windscreens
- B60J10/74—Sealing arrangements specially adapted for windows or windscreens for sliding window panes, e.g. sash guides
- B60J10/75—Sealing arrangements specially adapted for windows or windscreens for sliding window panes, e.g. sash guides for sealing the lower part of the panes
-
- 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
- B29C65/56—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor using mechanical means or mechanical connections, e.g. form-fits
- B29C65/60—Riveting or staking
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60J—WINDOWS, WINDSCREENS, NON-FIXED ROOFS, DOORS, OR SIMILAR DEVICES FOR VEHICLES; REMOVABLE EXTERNAL PROTECTIVE COVERINGS SPECIALLY ADAPTED FOR VEHICLES
- B60J10/00—Sealing arrangements
- B60J10/20—Sealing arrangements characterised by the shape
- B60J10/23—Sealing arrangements characterised by the shape assembled from two or more parts
- B60J10/235—Sealing arrangements characterised by the shape assembled from two or more parts the parts being joined along their longitudinal direction
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R13/00—Elements for body-finishing, identifying, or decorating; Arrangements or adaptations for advertising purposes
- B60R13/04—External Ornamental or guard strips; Ornamental inscriptive devices thereon
-
- 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
- F16B—DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
- F16B5/00—Joining sheets or plates, e.g. panels, to one another or to strips or bars parallel to them
- F16B5/12—Fastening strips or bars to sheets or plates, e.g. rubber strips, decorative strips for motor vehicles, by means of clips
-
- 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
- B29C65/08—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using ultrasonic vibrations
-
- 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
- B29C65/56—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor using mechanical means or mechanical connections, e.g. form-fits
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- 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
- B29C65/56—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor using mechanical means or mechanical connections, e.g. form-fits
- B29C65/565—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor using mechanical means or mechanical connections, e.g. form-fits involving interference fits, e.g. force-fits or press-fits
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- 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
- B29C65/56—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor using mechanical means or mechanical connections, e.g. form-fits
- B29C65/567—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor using mechanical means or mechanical connections, e.g. form-fits using a tamping or a swaging operation, i.e. at least partially deforming the edge or the rim of a first part to be joined to clamp a second part 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
- B29C66/20—Particular design of joint configurations particular design of the joint lines, e.g. of the weld lines
- B29C66/21—Particular design of joint configurations particular design of the joint lines, e.g. of the weld lines said joint lines being formed by a single dot or dash or by several dots or dashes, i.e. spot joining or spot welding
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
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- 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
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- 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
- B29C66/712—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 the composition of one of the parts to be joined being different from the composition of the other part
-
- 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
- B29C66/73—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 intensive physical properties of the material of the parts to be joined, by the optical properties of the material of the parts to be joined, by the extensive physical properties of the parts to be joined, by the state of the material of the parts to be joined or by the material of the parts to be joined being a thermoplastic or a thermoset
- B29C66/739—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 intensive physical properties of the material of the parts to be joined, by the optical properties of the material of the parts to be joined, by the extensive physical properties of the parts to be joined, by the state of the material of the parts to be joined or by the material of the parts to be joined being a thermoplastic or a thermoset characterised by the material of the parts to be joined being a thermoplastic or a thermoset
- B29C66/7392—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 intensive physical properties of the material of the parts to be joined, by the optical properties of the material of the parts to be joined, by the extensive physical properties of the parts to be joined, by the state of the material of the parts to be joined or by the material of the parts to be joined being a thermoplastic or a thermoset characterised by the material of the parts to be joined being a thermoplastic or a thermoset characterised by the material of at least one of the parts being a thermoplastic
- B29C66/73921—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 intensive physical properties of the material of the parts to be joined, by the optical properties of the material of the parts to be joined, by the extensive physical properties of the parts to be joined, by the state of the material of the parts to be joined or by the material of the parts to be joined being a thermoplastic or a thermoset characterised by the material of the parts to be joined being a thermoplastic or a thermoset characterised by the material of at least one of the parts being a thermoplastic characterised by the materials of both parts being thermoplastics
-
- 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
- B29C66/80—General aspects of machine operations or constructions and parts thereof
- B29C66/81—General aspects of the pressing elements, i.e. the elements applying pressure on the parts to be joined in the area to be joined, e.g. the welding jaws or clamps
- B29C66/814—General aspects of the pressing elements, i.e. the elements applying pressure on the parts to be joined in the area to be joined, e.g. the welding jaws or clamps characterised by the design of the pressing elements, e.g. of the welding jaws or clamps
- B29C66/8141—General aspects of the pressing elements, i.e. the elements applying pressure on the parts to be joined in the area to be joined, e.g. the welding jaws or clamps characterised by the design of the pressing elements, e.g. of the welding jaws or clamps characterised by the surface geometry of the part of the pressing elements, e.g. welding jaws or clamps, coming into contact with the parts to be joined
- B29C66/81427—General aspects of the pressing elements, i.e. the elements applying pressure on the parts to be joined in the area to be joined, e.g. the welding jaws or clamps characterised by the design of the pressing elements, e.g. of the welding jaws or clamps characterised by the surface geometry of the part of the pressing elements, e.g. welding jaws or clamps, coming into contact with the parts to be joined comprising a single ridge, e.g. for making a weakening line; comprising a single tooth
- B29C66/81429—General aspects of the pressing elements, i.e. the elements applying pressure on the parts to be joined in the area to be joined, e.g. the welding jaws or clamps characterised by the design of the pressing elements, e.g. of the welding jaws or clamps characterised by the surface geometry of the part of the pressing elements, e.g. welding jaws or clamps, coming into contact with the parts to be joined comprising a single ridge, e.g. for making a weakening line; comprising a single tooth comprising a single tooth
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- 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
- B29C66/80—General aspects of machine operations or constructions and parts thereof
- B29C66/81—General aspects of the pressing elements, i.e. the elements applying pressure on the parts to be joined in the area to be joined, e.g. the welding jaws or clamps
- B29C66/814—General aspects of the pressing elements, i.e. the elements applying pressure on the parts to be joined in the area to be joined, e.g. the welding jaws or clamps characterised by the design of the pressing elements, e.g. of the welding jaws or clamps
- B29C66/8141—General aspects of the pressing elements, i.e. the elements applying pressure on the parts to be joined in the area to be joined, e.g. the welding jaws or clamps characterised by the design of the pressing elements, e.g. of the welding jaws or clamps characterised by the surface geometry of the part of the pressing elements, e.g. welding jaws or clamps, coming into contact with the parts to be joined
- B29C66/81431—General aspects of the pressing elements, i.e. the elements applying pressure on the parts to be joined in the area to be joined, e.g. the welding jaws or clamps characterised by the design of the pressing elements, e.g. of the welding jaws or clamps characterised by the surface geometry of the part of the pressing elements, e.g. welding jaws or clamps, coming into contact with the parts to be joined comprising a single cavity, e.g. a groove
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- 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
- B29C66/80—General aspects of machine operations or constructions and parts thereof
- B29C66/83—General aspects of machine operations or constructions and parts thereof characterised by the movement of the joining or pressing tools
- B29C66/832—Reciprocating joining or pressing tools
- B29C66/8322—Joining or pressing tools reciprocating along one axis
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- 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
- B29K2023/00—Use of polyalkenes or derivatives thereof as moulding material
- B29K2023/04—Polymers of ethylene
- B29K2023/06—PE, i.e. polyethylene
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- 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
-
- 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
- B29L2031/3005—Body finishings
- B29L2031/3014—Door linings
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- 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
- B29L2031/724—Doors
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60J—WINDOWS, WINDSCREENS, NON-FIXED ROOFS, DOORS, OR SIMILAR DEVICES FOR VEHICLES; REMOVABLE EXTERNAL PROTECTIVE COVERINGS SPECIALLY ADAPTED FOR VEHICLES
- B60J10/00—Sealing arrangements
- B60J10/15—Sealing arrangements characterised by the material
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- B—PERFORMING OPERATIONS; TRANSPORTING
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- B60J10/00—Sealing arrangements
- B60J10/20—Sealing arrangements characterised by the shape
- B60J10/27—Sealing arrangements characterised by the shape having projections, grooves or channels in the longitudinal direction
Definitions
- the present invention relates to a belt molding for vehicles.
- a belt molding of a type in which an end cap is attached to one end of a long belt molding body.
- Such a belt molding may be attached to, for example, a front door or a rear door of a vehicle.
- Patent document 1 relates to a vehicular molding comprising an elongated molding body and a molding end cap, and particularly relates to a mounting method of the molding end cap (see paragraphs 0001 and 0002).
- the ultrasonic horn 40 is ultrasonically vibrated after the ultrasonic horn 40 is arranged to face the molding body 10 and the molding end cap 20.
- the cap supporting portion 22 of the molding end cap is pressed toward the molding body 10 (FIGS. 10 and 11).
- the molding body 10 and the cap supporting portion 22 are partially melted by the frictional heat of the ultrasonic vibration, and the contact portion 43 of the ultrasonic horn is pushed into the cap supporting portion 22 along the pressurizing direction (Fig. 12).
- the contact portion 43 is pushed, the melted portion of the cap support portion 22 is embedded in the melted or softened molding body 10 (embedded portion 22a in FIG. 13).
- the ultrasonic welding of the molding end cap 20 to the molding body 10 is completed (FIG. 14).
- Patent Literature 1 also has the following limitations (constraints) and fears.
- the molding body and the molding end cap are made of different resin materials having relatively close melting points. It is In other words, there are unavoidable restrictions (constraints) in selecting materials for the molding body 10 and the molding end cap 20 .
- the molding end cap is made of polybutylene terephthalate (PBT), for example. ), there is a risk that the molding end cap will crack (crack) when pressurized by an ultrasonic horn.
- PBT polybutylene terephthalate
- An object of the present invention is to provide a belt molding capable of fixing an end cap to a molding body without excessively restricting the selection of materials for the molding body and end caps, and a method of manufacturing the belt molding. .
- the invention of claim 1 is a belt molding to be attached along the upper edge of a door panel of a vehicle door, comprising a long molding body made of thermoplastic resin and an end cap attached to one end of the molding body.
- a method for manufacturing a belt molding having The method is A molding body having a vehicle-interior side wall portion and a vehicle-interior side wall portion facing each other and a top wall portion integrally connecting the two side wall portions, wherein the vehicle-inside side wall portion near the end of the molding body: a step of preparing a molding main body having a side wall remaining portion obtained by removing a part of the side wall portion inside the vehicle; An end cap comprising: a lid portion for closing an open end of the molding body; and an insertion portion extending from the lid portion and inserted between a vehicle-exterior side wall portion and a remaining portion of the side wall of the molding body.
- the insertion portion has a vehicle interior side surface extending along the direction of insertion of the end cap on the vehicle interior side, and the insertion portion is formed with a hook surface provided to intersect the vehicle interior side surface.
- the belt molding manufacturing method is characterized in that the movement of the end cap in the direction opposite to the insertion direction can be prevented based on the engagement between the projecting portion of the molding body and the hooking surface of the end cap.
- the projecting portion formed by deforming a part of the facing portion of the molding body is projected outwardly of the vehicle from the inner side surface of the end cap insertion portion, so that the projecting portion and the end cap insertion are formed.
- the end cap is prevented from moving in the direction opposite to the insertion direction based on the engagement (that is, mechanical interference) with the hooking surface of the portion, and the end cap can be prevented from falling out of the molding body. Since this method does not weld the molding body and the end cap, there is no need to form the molding body and the end cap with materials having similar melting points, and there are few restrictions on material selection (high degree of freedom in material selection). ).
- the molding main body is deformed in the projecting portion forming step, there is no need to deform the end cap, so there is no risk of the end cap breaking even if it is made of a fragile material.
- the invention according to claim 2 is the method for manufacturing a belt molding according to claim 1, In the projecting portion forming step, the projecting portion is formed by partially melting and deforming the opposing portion of the molding body.
- the following effects are obtained. That is, by adopting melting as a deformation method, a part of the facing portion of the molding body can be easily deformed, and the projecting portion can be easily formed.
- the invention according to claim 3 is the method for manufacturing a belt molding according to claim 2, In the projecting portion forming step, an ultrasonic horn is brought into contact with the facing portion of the molding body to partially melt the facing portion.
- the following effects are obtained. That is, by using an ultrasonic horn, a portion of the facing portion can be pinpoint-heated and melted, so that the protruding portion can be formed in a limited position or range. Also, by stopping the vibration of the ultrasonic horn, the melting of the resin can be stopped immediately (finished in a short time), and the deformation due to melting can be easily controlled.
- the invention according to claim 4 is the method for manufacturing a belt molding according to claim 3,
- the ultrasonic horn is characterized in that it has a tip projection formed at its tip and an annular recess formed on the outer peripheral edge of the tip projection.
- the following effects are obtained. That is, by using the ultrasonic horn described above, it is possible to melt the portion with which the tip convex portion is brought into contact, while allowing the surplus molten resin to be received in the annular concave portion and solidified in the annular concave portion. Therefore, it is possible to prevent the excess molten resin from leaking around the projecting portion against the intention, thereby preventing deterioration of the appearance (deterioration of the appearance).
- the invention of claim 5 is the method for manufacturing a belt molding according to claim 2, 3 or 4, comprising: In the projecting portion forming step, as part of the facing portion of the molding body is melted, part of the molten thermoplastic resin enters between the facing portion and the insertion portion around the projecting portion. fill the gap with and then solidify.
- the following effects are obtained. That is, when the end cap is inserted into the molding body, a slight gap may inevitably occur between the facing portion of the molding body and the insertion portion of the end cap.
- a part of the thermoplastic resin melted in part of the facing portion for forming the projecting portion enters into the gap between the facing portion and the insertion portion around the projecting portion, solidifies in a state where Therefore, rattling between the molding body and the end cap can be prevented or suppressed.
- a method for manufacturing a belt molding according to any one of the first to fifth aspects wherein the remaining portion of the side wall of the prepared molding body is formed with a locked portion.
- a locking portion that can be locked to the locked portion of the molding body is formed in the insertion portion of the end cap,
- the end cap is provisionally positioned with respect to the molding body based on mutual engagement between the locking portion and the locked portion.
- the end cap in the insertion step, can be provisionally positioned with respect to the molding body based on the interlocking of the locking portion and the locked portion, so that the subsequent projecting portion forming step can be smoothly performed. be able to.
- the invention of claim 7 is the belt molding manufacturing method according to any one of claims 1 to 6, in which the protrusion and the hooking surface are aligned in the longitudinal direction of the belt molding after the formation of the protrusion is completed. are arranged adjacent to each other and abut each other.
- the invention of claim 8 is a belt molding attached along the upper edge of a door panel of a vehicle door,
- the belt molding has a long molding body made of thermoplastic resin and an end cap attached to one end of the molding body,
- the molding body has an exterior side wall portion and an interior side wall portion facing each other, and a top wall portion integrally connecting the two side wall portions. , and has a remaining side wall portion obtained by removing a part of the side wall portion inside the vehicle
- the end cap includes a lid portion for closing the open end of the molding body, and an insertion portion extending from the lid portion and inserted between the outer side wall portion and the remaining portion of the side wall of the molding body.
- the insertion portion of the end cap has a vehicle interior side surface extending along the direction of insertion of the end cap on the vehicle interior side, and the insertion portion is formed with a hook surface provided to intersect the vehicle interior side surface.
- the molding body has a facing portion that is located inside the vehicle from the insertion portion of the end cap and faces the insertion portion when the end cap is attached to the molding body, Of the facing portion of the molding main body, a protruding portion formed by deforming a part of the facing portion is formed in a portion closer to the lid portion side of the end cap than the hooking surface, and the protruding portion is , the end cap protrudes outward from the vehicle interior side surface of the insertion portion of the end cap so as to prevent movement of the end cap in the direction opposite to the insertion direction based on engagement with the hook surface; It is a belt mall characterized by
- the projecting portion formed by deforming a part of the facing portion of the molding body is projected outwardly of the vehicle from the inner side surface of the end cap inserting portion, so that the projecting portion and the end cap are inserted.
- the end cap is prevented from moving in the direction opposite to the insertion direction based on the engagement (that is, mechanical interference) with the hooking surface of the portion, and the end cap can be prevented from falling out of the molding body.
- the molding body and the end caps are not welded together, so there is no need to form the molding body and the end caps from materials with similar melting points, and there are few restrictions on material selection (high degree of freedom in material selection). ).
- the projecting portion and the hooking surface are arranged adjacent to each other in the longitudinal direction of the belt molding. characterized in that they are in contact with each other.
- the following effects are obtained. That is, according to this configuration, the rattling between the molding body and the end cap can be prevented or suppressed by mutual contact between the projecting portion of the molding body and the hooking surface of the end cap.
- the invention according to claim 10 is the belt molding according to claim 8 or 9,
- the projecting portion is formed by melting and deforming a part of the facing portion, A thermoplastic resin melted from a part of the facing portion enters between the facing portion and the insertion portion around the protruding portion to fill the gap.
- the following effects are obtained. That is, when the end cap is attached to the molding body, a slight gap may inevitably occur between the facing portion of the molding body and the insertion portion of the end cap.
- a part of the thermoplastic resin melted in a part of the facing portion for forming the projecting portion enters into the gap between the facing portion and the insertion portion around the projecting portion, and the gap is filled. is filled. Therefore, rattling between the molding body and the end cap can be prevented or suppressed.
- the opposing portion is constituted by a remaining portion of the side wall of the inner side wall portion, and the projecting portion is formed on the remaining portion of the side wall.
- the facing portion that serves as the foundation for forming the projecting portion is set in the vehicle interior side wall portion (remaining portion of the side wall), the area of the facing portion that can be used for forming the projecting portion (that is, the deformation target A relatively large spread of the facing portion can be ensured. Therefore, it is possible to ensure a necessary volume of the projecting portion obtained by deformation of the facing portion, and to stably fix the end cap to the molding body by the projecting portion.
- the invention according to claim 12 is characterized in that, in the belt molding according to any one of claims 8 to 11, the protrusions are formed at two or more locations.
- the end cap can be more firmly fixed to the molding body by the plurality of projecting portions.
- the end caps can be fixed to the molding body without excessively restricting the selection of materials for the molding body and the end caps. be possible.
- FIG. 2 is a cross-sectional view of the belt molding taken along line II-II of FIG. 1;
- FIG. 2 is a rear side view of the belt molding according to the first embodiment (encircled portion III in FIG. 1) viewed from the rear side;
- FIG. 4 is an exploded view (rear side view) of the belt molding shown in FIG. 3 ;
- 4A and 4B are a series of cross-sectional views showing a cross-section taken along the line VV of FIG. 3 and showing an outline of a protrusion forming process in the first embodiment;
- FIG. 4A is a cross-sectional view taken along line VI-VI of FIG. 3, and
- FIG. 4B is a partially enlarged cross-sectional view showing a part of FIG.
- FIG. 4 shows a belt molding according to a second embodiment
- (A) is a back side view corresponding to FIG. 3
- (B) is a partial side view of an end cap.
- 7(A) and 7(B) are a series of cross-sectional views showing an overview of a protrusion forming step in the second embodiment;
- FIG. The belt molding according to 3rd Embodiment is shown,
- (A) is a back side view equivalent to FIG. 3
- (B) is a partial side view of an end cap.
- FIG. 9B is a cross-sectional view taken along the line XX of FIG. 9A (showing an outline of a protrusion forming step in the third embodiment); Schematic diagram showing another example (double type) of the ultrasonic horn.
- Fig. 1 shows a typical usage example of the belt molding according to the present invention.
- a belt molding 3 is attached along an upper edge (belt line) of an outer door panel 2 forming a lower half of a vehicle door 1 .
- the belt molding 3 has a long belt molding main body (hereinafter referred to as "molding main body") 10 and an end cap 30 attached to the rear end (right end in FIG. 1) of the molding main body 10. is doing.
- the molding body 10 has an exterior side wall portion 11 and an interior side wall portion 12 facing each other, and a top wall portion 13 connecting the two side wall portions 11 and 12 together. there is These three walls (11 to 13) form a substantially U-shaped cross-sectional shape of the molding body 10 opening downward.
- the lower end of the vehicle-exterior side wall portion 11 is provided with a folded ridge 14 that is formed so as to be folded toward the vehicle interior.
- a vehicle-interior lip 15a is provided on the vehicle-interior wall surface of the vehicle-interior side wall portion 12, and a vehicle-exterior lip 15b is provided near the lower end of the vehicle-exterior side wall portion 11.
- a retaining lip 15c is provided at the tip of the top wall portion 13 and a decorative lip 15d is provided near the joint portion between the top wall portion 13 and the side wall portion 12 inside the vehicle.
- these lips 15a-d are generally known.
- the molding body 10 is preferably formed by extruding an olefinic thermoplastic resin material.
- the three walls (11 to 13) and the ridge (14) of the molding body 10 are made of a relatively hard olefinic thermoplastic resin (eg, polypropylene).
- relatively soft olefinic thermoplastic elastomer is used for the four lips (15a-d) other than the three walls and the ribs.
- the molding body 10 may be made of a material that can be melted and elastically deformed, and may be made of a material other than olefinic thermoplastic resin (for example, styrene thermoplastic resin, vinyl chloride, rubber, etc.). good too.
- the end cap 30 is preferably made of polybutylene terephthalate (PBT), which is a type of thermoplastic resin.
- PBT polybutylene terephthalate
- thermoplastic resins that can be used for the end cap 30 include acrylonitrile-butadiene-styrene (ABS) resin, polypropylene (PP), polyacetal (POM), polyamide (PA), polyphenylene sulfide (PPS), Polyetheretherketone (PEEK) and the like can be exemplified.
- ABS acrylonitrile-butadiene-styrene
- PP polypropylene
- POM polyacetal
- PA polyamide
- PPS polyphenylene sulfide
- PEEK Polyetheretherketone
- FIG. 4 is an exploded view of the molding body 10 and the end cap 30.
- the side wall remaining portion 16 does not have the inner side lip 15a, and along with the formation of the side wall remaining portion 16, the portion of the holding lip 15c of the side wall portion 11 facing the side wall remaining portion 16 also has only the root portion. Most of the rest are excised.
- An internal space for inserting and arranging the insertion portion 32 of the end cap 30 is formed by three wall portions (vehicle outside side wall portion 11, top wall portion 13, and side wall remaining portion 16) located near the rear end portion of the molding body 10. are partitioned.
- an overhanging portion 17 is formed by part of the side wall remaining portion 16.
- the protruding portion 17 is a side wall portion that protrudes downward from the upper edge of the vehicle interior side wall portion 12 and forms a portion of the side wall remaining portion 16 .
- the projecting portion 17 can be slightly elastically deformed toward the inside of the vehicle.
- the projecting portion 17 has a front side edge 17a and a rear side edge 17b, and the front side edge 17a is formed with a locked portion 18 extending in a direction crossing the insertion direction of the end cap.
- the rear edge 17b of the projecting portion 17 forms the rear end (open end) of the molding body 10. As shown in FIG.
- the end cap 30 includes a lid portion 31 and an insertion portion 32 extending substantially horizontally from the front surface of the lid portion 31 along the longitudinal direction of the end cap (that is, the insertion direction). and
- the lid portion 31 is a portion for closing the rear end (open end) of the molding body 10 and constitutes the rearmost end portion of the end cap 30 .
- the insertion portion 32 is a portion that is inserted between the vehicle-exterior side wall portion 11 and the side wall remaining portion 16 of the molding body 10 .
- the insertion portion 32 has a vehicle interior side surface 32a extending along the insertion direction of the end cap on the vehicle interior side.
- the insertion portion 32 of the end cap is provided with a support portion (hereinafter referred to as "support tab") 33 in the form of a thick plate tab that protrudes downward from the upper edge of the insertion portion 32 .
- the support tabs 33 are part of the insert 32 of the end cap.
- the support tab 33 has a substantially rectangular shape when viewed from the side, and a locking portion 34 is provided at a position near the front of the support tab 33 so as to protrude from the inner side surface 33a of the support tab 33 toward the inner side of the vehicle. .
- the locking portion 34 temporarily positions (or It functions as a means for temporary fixing). Incidentally, as shown in FIG.
- the locking portion 34 of the support tab 33 is formed with an inclined surface 35 at its front side position.
- the slanted surface 35 functions as a pressing and guiding surface for guiding temporary elastic deformation by pressing the projecting portion 17 of the molding body toward the vehicle interior when the end cap 30 is inserted into the molding body 10 . do.
- the end cap 30 of the first embodiment has a hook portion 37 formed on the upper side portion of the insertion portion 32 at a position forward of the support tab 33 .
- the hooking portion 37 is a recess formed by notching in a substantially semicircular shape when viewed from the side in FIG. It is.
- the hooking portion 37 has a curved hooking surface 37a extending in the vehicle interior/outside direction (the width direction of the end cap) on the inner side of the concave shape (see FIGS. 4 and 6).
- This hooking surface 37a is positioned to intersect with the vehicle interior side surface 32a of the end cap inserting portion 32, and the end cap moves (that is, in the direction opposite to the inserting direction of the end cap) based on engagement with the projecting portion 21, which will be described later. movement).
- the hooking portion 37 is drawn as a recess that penetrates the insertion portion 32 in the vehicle interior/outside direction (the width direction of the end cap). It is not necessary that the insertion portion 32 penetrates the vehicle interior side surface 32a of the insertion portion 32, and it may be a non-penetrating recess in which the vehicle interior side surface 32a is recessed toward the vehicle exterior side. In short, the form (penetration/non-penetration) of the hooking portion 37 does not matter as long as the hooking surface 37a as described above can be provided.
- This method generally comprises an inserting step of preparing the molding body 10 and the end cap 30 as described above, inserting and arranging the end cap 30 in the molding body 10, and forming a projecting portion 21, which will be described later, on the molding body 10. and a protrusion forming step for fixing the end cap 30 to the molding body 10 by doing so.
- the insertion portion 32 of the end cap 30 is inserted from the open end of the molding body 10 into the molding body. Then, first, the inclined surface 35 located on the front side of the engaging portion 34 of the end cap abuts the rear side edge 17b of the projecting portion 17 of the molding body. As the end cap 30 is further pushed in from there, the rear edge 17b of the projecting portion contacts and slides along the inclined surface 35, and the projecting portion 17 gradually moves toward the interior of the vehicle due to the pressing and guiding action of the inclined surface 35. elastically deformed.
- the end cap 30 is further pushed in, and when the engaging portion 34 of the end cap passes (the position of) the protruding portion 17, the contact sliding between the protruding portion 17 and the engaging portion 34 is released, temporarily
- the projecting portion 17 elastically deformed returns to its original position or shape before deformation.
- the lid portion 31 of the end cap abuts the opening end of the molding body 10 substantially in synchronism with the restoration of the projecting portion 17 from the elastically deformed state. Due to this abutment, the end cap 30 cannot move any further, and the insertion of the end cap 30 into the molding body 10 is completed (see FIGS. 3 and 4).
- the engaging portion 34 of the end cap 30 is arranged in front of the engaged portion 18 of the projecting portion 17 of the molding body. Therefore, even if an external force acts on the end cap 30 in the pulling direction (that is, in the direction opposite to the end cap inserting direction), the locking portion 34 is caught by the locked portion 18, and the end cap 30 is pulled out of the molding body 10. I can't get out of The end cap 30 is provisionally positioned with respect to the molding body 10 based on the interlocking of the locking portion 34 and the locked portion 18 in this manner. This is a precondition or preliminary preparation for smoothly executing the subsequent projecting portion forming step.
- the upper side of the insertion portion 32 of the end cap 30 (particularly around the hook portion 37) and the side wall remaining portion 16 of the molding body 10 are separated from each other. are arranged opposite to each other. That is, in the present embodiment, the side wall remaining portion 16 serves as "a facing portion that is located on the vehicle inner side of the insertion portion (32) of the end cap and faces the insertion portion (32)".
- the side wall remaining portion 16 serves as "a facing portion that is located on the vehicle inner side of the insertion portion (32) of the end cap and faces the insertion portion (32)".
- the end cap insertion portion 32 is formed by deforming (melting and deforming) a portion closer to the lid portion 31 than the end cap hooking surface 37 a of the side wall remaining portion 16 serving as the facing portion.
- the molding body 10 is formed with a protruding portion 21 that protrudes outward from the vehicle interior side surface 32a.
- an ultrasonic horn 40 as partially and schematically shown in FIG. 5(A) is used as melting deformation means.
- the ultrasonic horn 40 used in this embodiment has a tip projection 41 having a circular cross section and an annular projection 42 surrounding the tip projection 41 at its tip.
- An annular concave portion 43 is formed along the outer peripheral edge of the tip convex portion 41 between the tip convex portion 41 and the annular ridge 42 .
- the annular recess 43 receives the surplus of the resin melted by the tip projection 41 and prevents the molten resin from spreading unfavorably.
- FIGS. 5(A) and 5(B) and FIGS. 6(A) and 6(B) show a specific procedure of the protrusion forming process using the ultrasonic horn 40.
- FIG. When forming the projecting portion, the ultrasonic horn 40 is placed on the inner side of the molding body 10, and the rear side surface of the lid portion 31 of the end cap 30 is brought into contact with a jig (not shown). position.
- the tip projection 41 of the ultrasonic horn 40 faces (directly faces) the hooking portion 37 of the end cap with the side wall remaining portion 16 of the molding main body interposed therebetween.
- the ultrasonic horn 40 is arranged so as to face the remaining side wall portion 16 and the insertion portion 32 . After the tip projection 41 of the ultrasonic horn 40 is pressed against the side wall remaining portion 16 at a substantially right angle, the ultrasonic horn 40 is ultrasonically vibrated and slowly advanced toward the hook portion 37 .
- Protrusion 21 is formed by entering 37 (see FIGS. 5(B) and 6). After that, by separating the ultrasonic horn 40 from the remaining side wall portion 16, the protruding portion 21 in a molten or softened state is solidified in the hooking portion 37 by natural cooling, and the solid protruding portion 21 is completed.
- a complementary shape that is, the central recessed portion 22 , an annular projection 23, and an annular groove 24
- the protruding portion 21 after completion is arranged in the hooking portion 37 of the end cap and adjacent to the hooking surface 37a in the longitudinal direction of the belt molding. And it abuts on the hooking surface 37a.
- Mutual contact between the projecting portion 21 on the molding body side and the hooking surface 37a on the end cap side fixes the molding body 10 and the end cap 30 to each other, thereby preventing or suppressing rattling therebetween.
- a small portion (19) of the melted thermoplastic resin is shown in an enlarged view of FIG. 6(B).
- the molten resin (19) does not immediately flow out of the gap S, and can appropriately stay in the gap S due to the surface tension of the molten resin.
- the resin layer 19 filling the gap S solidifies over time while being integrated with the protruding portion 21 . It helps to prevent or suppress sticking.
- the movement of the end cap 30 in the direction opposite to the insertion direction is restricted based on the engagement (that is, mechanical interference) between the portion 21 and the hooking surface 37a of the end cap insertion portion 32 . Therefore, it is possible to prevent the end cap 30 from falling off from the molding body 10 .
- the molding body 10 and the end cap 30 are not welded to each other, there is no need to form the molding body 10 and the end cap 30 with materials having similar melting points, and there is no restriction on material selection. Less is.
- the molding main body 10 is melted and deformed in the projecting portion forming process, there is no need to deform the end cap 30. Therefore, even if the end cap 30 is made of a material that is easily broken (for example, PBT resin), there is a risk that the end cap 30 will break. do not have.
- the ultrasonic horn 40 since the ultrasonic horn 40 is used, a portion of the side wall remaining portion 16 as the opposing portion is pinpoint-heated and melted by the tip convex portion 41 that vibrates ultrasonically. can be done. On the other hand, the melting of the resin can be stopped immediately (or in a very short time) by stopping the ultrasonic vibration. Therefore, deformation due to melting can be easily controlled, and the projecting portion 21 can be appropriately formed in a limited position or range.
- the resin portion with which the tip projection 41 is in contact is melted, while the surplus molten resin is received in the annular recess 43. It can be processed as an annular convex portion 23 appearing on the base end side of the protruding portion 21 by solidifying inside. Therefore, it is possible to prevent the excess molten resin from leaking around the projecting portion 21 against the intention, thereby preventing deterioration of the appearance (deterioration of appearance).
- a hook portion 37 is provided on the upper side portion of the end cap insertion portion 32, and correspondingly, a projecting portion 21 is formed at a position facing the hook portion 37 in the side wall remaining portion 16 of the molding body. (see Figure 3).
- the projecting portion 21 is less likely to come into contact with the door panel 2, which is very favorable in terms of design.
- the facing portion that serves as the foundation for forming the projecting portion 21 is set in the side wall remaining portion 16, a relatively large area of the facing portion that can be used for forming the projecting portion can be secured. Therefore, the volume of the projecting portion 21 obtained by melting and deforming the opposing portion (remaining side wall portion 16 ) can be secured to a necessary extent, and the end cap 30 can be stably fixed to the molding body 10 by the projecting portion 21 .
- a hook portion 37 is provided on the rear end side of the support tab 33 of the end cap 30 . More specifically, in the side view of FIG. 7(B), the edge on the rear end side of the support tab 33 is depicted as an edge extending straight in the vertical direction. A portion near the upper side of the edge portion is set as a "hook portion 37".
- the straight hooking portion 37 has a flat hooking surface 37a extending in the depth direction (that is, the vehicle interior and exterior direction or the width direction of the end cap) in the same side view.
- the hooking surface 37a is positioned to intersect the inner side surface 33a of the support tab 33. As shown in FIG. In the second embodiment, as shown in FIG.
- the "mall body 10 before forming the projection" used in the second embodiment is substantially the same as the molding body 10 before forming the projection in the first embodiment.
- FIGS. 8A and 8B show an overview of the protrusion forming process in the second embodiment.
- the inserting step of inserting the end cap 30 in FIG. 7B into the molding body 10 is substantially the same as the inserting step of the first embodiment.
- the support tab 33 of the end cap 30 that is, part of the insertion portion 32
- the projecting portion 17 is arranged so as to face each other.
- the projecting portion 17, which is a part of the side wall remaining portion 16 is defined as "a facing portion that is located on the vehicle inner side of the insertion portion (support tab 33) of the end cap and faces the insertion portion (33).”
- a portion closer to the lid portion 31 than the hooking surface 37a of the end cap is melted and deformed by the ultrasonic horn 40, whereby the end cap is formed.
- a protruding portion 21 is formed on the molding body 10 so as to protrude outward from the vehicle interior side surface 33a of the support tab 33 (that is, the vehicle interior side surface of the insertion portion).
- the protruding portion 21 after completion is arranged adjacent to the hooking portion 37 of the end cap, is arranged adjacent to the hooking surface 37a in the longitudinal direction of the belt molding, and is adjacent to the hooking surface 37a. abut.
- the end cap 30 is restricted from retreating (falling off).
- the technical significance of the projecting portion 21 in the second embodiment is basically the same as that of the projecting portion 21 in the first embodiment.
- the belt molding of the second embodiment also has the same actions and effects as those of the first embodiment.
- FIGS. 9 and 10 show an outline of a belt molding according to a third embodiment of the invention.
- differences from the first embodiment will be mainly explained.
- a hook portion 37 is formed on the lower side portion of the insertion portion 32 of the end cap 30 .
- the hooking portion 37 is a recess formed by cutting out in a substantially semicircular shape when viewed from the side in FIG. 9(B).
- the hooking portion 37 has a curved hooking surface 37a extending in the vehicle interior/outside direction (the width direction of the end cap) on the inner side of the concave shape.
- the hooking surface 37a is positioned to intersect the inner side surface 32a of the end cap insertion portion 32.
- a protruding portion 21 is formed using 15c (the remaining root portion).
- the "mall body 10 before forming the projection" used in the third embodiment is substantially the same as the molding body 10 before forming the projection in the first embodiment.
- FIG. 10 generally suggests the protrusion formation process in the third embodiment.
- the inserting step of inserting the end cap 30 in FIG. 9B into the molding body 10 is substantially the same as the inserting step of the first embodiment.
- the lower side of the insertion portion 32 of the end cap 30 (particularly around the hook portion 37) and the folded projection 14 of the molding body 10 are separated from each other. and the retaining lip 15c (remaining root portion) are arranged to face each other.
- the folded protrusion 14 and the holding lip 15c (the remaining root portion) continuing therefrom are integrally formed so that the insertion portion (32) of the end cap is located on the inner side of the vehicle. 10 and 5(A), if necessary).
- the portion closer to the lid portion 31 than the hooking surface 37a of the end cap of the folded protrusion 14 and the retaining lip 15c (remaining root portion) serving as the facing portions is used as an ultrasonic horn.
- the molding body 10 is formed with a projecting portion 21 projecting outward from the vehicle interior side surface 32a of the insertion portion 32 of the end cap (see FIG. 10). As shown in FIGS. 9 and 10, the projecting portion 21 after completion is disposed within the hooking portion 37 of the end cap, is adjacent to the hooking surface 37a in the longitudinal direction of the belt molding, and is aligned with the hooking surface 37a. abut. As a result, the end cap 30 is restricted from retreating (falling off).
- the technical significance of the projecting portion 21 in the third embodiment is basically the same as that of the projecting portion 21 in the first embodiment.
- the belt molding of the third embodiment also has the same actions and effects as those of the first embodiment.
- only one projecting portion 21 is provided for one belt molding, but two or more projecting portions 21 may be formed for one belt molding.
- the end cap 30 is less likely to come off from the molding body 10, and the fixing of the end cap 30 to the molding body 10 can be made stronger.
- the outer diameter D (see FIGS. 5 and 11) of the ultrasonic horn 40 is preferably a size that does not protrude from the range of the facing portion.
- the outer diameter D of the ultrasonic horn 40 is preferably 1.0 mm or more smaller than the height h of the remaining side wall portion 16 as the opposed portion.
- the protrusion 21 may be formed by using a thermocouple instead of the ultrasonic horn 40 . Further, in each of the above embodiments, a portion of the opposing portion is melted and deformed to form the protrusion, but the protrusion may be formed by applying an external force to a portion of the opposing portion to deform it.
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Vehicle Interior And Exterior Ornaments, Soundproofing, And Insulation (AREA)
- Connection Of Plates (AREA)
- Lining Or Joining Of Plastics Or The Like (AREA)
Abstract
Description
第1に、特許文献1の段落0016によると、モール本体にモールエンドキャップを溶着するためには、モール本体とモールエンドキャップは比較的融点の近い異なる樹脂材で形成されていることが好ましいとされている。つまり、モール本体10及びモールエンドキャップ20の材料選択において、避けがたい制限(制約)がある。第2に、特許文献1では、超音波振動させた超音波ホーン40によってモールエンドキャップ20のキャップ支持部22を加圧するという手法を採用しているため、モールエンドキャップが例えばポリブチレンテレフタレート(PBT)のようなやや脆い樹脂で形成されている場合、超音波ホーンでの加圧によってモールエンドキャップが割れる(亀裂が入る)おそれがある。
当該方法は、
互いに対向する車外側側壁部及び車内側側壁部、並びに、これら二つの側壁部を一体に連結する頂壁部を有するモール本体であって、当該モール本体の端末付近において前記車内側側壁部は、車内側側壁部の一部が除去されてなる側壁残部を有している、モール本体を準備する工程と、
前記モール本体の開口端を塞ぐための蓋部と、前記蓋部から延設されて前記モール本体の車外側側壁部と側壁残部との間に挿入される挿入部とを備えたエンドキャップであって、前記挿入部は、車内側においてエンドキャップの挿入方向に沿って延びる車内側面を有しており、且つ当該挿入部には、前記車内側面と交差するように設けられた引掛面が形成されている、エンドキャップを準備する工程と、
前記モール本体に前記エンドキャップの挿入部を挿入して、前記エンドキャップの挿入部と、当該挿入部よりも車内側に位置して当該挿入部と対向する前記モール本体の一部(以下「対向部」という)とを対向配置する、挿入工程と、
前記モール本体の対向部のうち、前記引掛面よりも前記エンドキャップの蓋部側寄りの部分を変形させることで、前記エンドキャップの挿入部の車内側面よりも車外側に突出する突出部を前記モール本体に形成する、突出部形成工程と、
を備えており、
前記モール本体の突出部と前記エンドキャップの引掛面との係合に基づいて前記挿入方向と反対方向へのエンドキャップの移動を阻止し得る、ことを特徴とするベルトモールの製造方法である。
前記突出部形成工程では、前記モール本体の対向部の一部を溶融し変形させて前記突出部を形成する、ことを特徴とする。
前記突出部形成工程では、前記モール本体の対向部に超音波ホーンを接触させて、当該対向部の一部を溶融する、ことを特徴とする。
前記超音波ホーンは、その先端に形成された先端凸部と、前記先端凸部の外周縁に形成された環状凹部とを有する、ことを特徴とする。
前記突出部形成工程では、前記モール本体の対向部の一部を溶融するに伴い、溶融した熱可塑性樹脂の一部が、前記突出部の周囲において前記対向部と前記挿入部との間に入り込んで隙間を満たし、その後に固化することを特徴とする。
前記挿入工程では、前記係止部と前記被係止部との相互係止に基づいて前記モール本体に対し前記エンドキャップを仮位置決めする、ことを特徴とする。
当該ベルトモールは、熱可塑性樹脂からなる長尺なモール本体と、前記モール本体の一端部に取り付けられるエンドキャップとを有し、
前記モール本体は、互いに対向する車外側側壁部及び車内側側壁部、並びに、これら二つの側壁部を一体に連結する頂壁部を有し、前記モール本体の端末付近において前記車内側側壁部は、車内側側壁部の一部が除去されてなる側壁残部を有しており、
前記エンドキャップは、前記モール本体の開口端を塞ぐための蓋部と、前記蓋部から延設されて前記モール本体の車外側側壁部と側壁残部との間に挿入される挿入部とを備えてなる、ベルトモールにおいて、
前記エンドキャップの挿入部は、車内側においてエンドキャップの挿入方向に沿って延びる車内側面を有しており、且つ当該挿入部には、前記車内側面と交差するように設けられた引掛面が形成されており、
前記モール本体は、モール本体へのエンドキャップの取り付け時に、前記エンドキャップの挿入部よりも車内側に位置して前記挿入部と対向する対向部を有し、
前記モール本体の対向部のうち、前記引掛面よりも前記エンドキャップの蓋部側寄りの部分には、前記対向部の一部を変形させてなる突出部が形成されており、当該突出部は、前記引掛面との係合に基づいて前記挿入方向と反対方向へのエンドキャップの移動を阻止し得るように、前記エンドキャップの挿入部の車内側面よりも車外側に突出している、
ことを特徴とするベルトモールである。
前記突出部は、前記対向部の一部を溶融し変形させて形成したものであり、
前記突出部の周囲において前記対向部と前記挿入部との間には、前記対向部の一部を溶融した熱可塑性樹脂が入り込んで隙間を満たしている、ことを特徴とする。
尚、ここまでの説明は以下に述べる各実施形態に共通の事項を説明したものである。
図3~図6は、本発明の第1実施形態に従うベルトモールを示す。とりわけ図4は、モール本体10とエンドキャップ30を分解した状態で示す図である。図4に示すように、モール本体10の後端部付近では、車内側側壁部12の主に下側部分が除去されると共に、車内側側壁部12の上側部分が残されている(以下、この残された部分を「側壁残部16」と呼ぶ)。ちなみに側壁残部16は車内側リップ15aを持たず、また側壁残部16の形成に伴って、車外側側壁部11の保持リップ15cのうち側壁残部16と向き合う部位の保持リップ15cも、根元部だけを残して概ね切除されている。そして、モール本体10の後端部付近に位置する三つの壁部(車外側側壁部11、頂壁部13および側壁残部16)によって、エンドキャップ30の挿入部32を挿入配置するための内部空間が区画されている。
第1実施形態によれば、対向部としての側壁残部16の一部を溶融変形させて形成した突出部21をエンドキャップ挿入部32の車内側面32aよりも車外側に突出させることで、当該突出部21とエンドキャップ挿入部32の引掛面37aとの係合(即ち機械的干渉)に基づいて挿入方向と反対方向へのエンドキャップ30の移動が規制される。このため、モール本体10からエンドキャップ30が抜け落ちるのを防止することができる。
図7及び図8は、本発明の第2実施形態に従うベルトモールの概要を示す。以下では冗長な重複説明を避けるため、第1実施形態と異なる点を中心に説明する。
図7(B)のエンドキャップ30を(突出部形成前の)モール本体10に挿入する挿入工程は、第1実施形態の挿入工程と実質的に同じである。但し、挿入完了状態では、図8(A)に示すように、エンドキャップ30の支持タブ33(即ち挿入部32の一部)、特に支持タブ33の引掛部37の辺りと、モール本体の張出部17(即ち側壁残部16の一部)とが対向配置される。つまり本実施形態では、側壁残部16の一部たる張出部17が「エンドキャップの挿入部(支持タブ33)よりも車内側に位置して当該挿入部(33)と対向する対向部」となる。
図9及び図10は、本発明の第3実施形態に従うベルトモールの概要を示す。以下では冗長な重複説明を避けるため、第1実施形態と異なる点を中心に説明する。
図9(B)のエンドキャップ30を(突出部形成前の)モール本体10に挿入する挿入工程は、第1実施形態の挿入工程と実質的に同じである。但し、挿入完了状態では、図9(A)及び図10に示唆されるように、エンドキャップ30の挿入部32の下辺部(特に引掛部37の辺り)と、モール本体10の折り返し突条14及び保持リップ15c(残された根元部)とが対向配置される。つまり本実施形態では、折り返し突条14及びその先に連なる保持リップ15c(残された根元部)が一体となって、「エンドキャップの挿入部(32)よりも車内側に位置して当該挿入部(32)と対向する対向部」と位置付けられる(必要ならば図10及び図5(A)を併せて勘案されたし)。
また、上記各実施形態では対向部の一部を溶融し変形させて突出部を形成していたが、対向部の一部に外力を与えて変形させて突出部を形成してもよい。
2 ドアパネル
3 ベルトモール
10 モール本体
11 車外側側壁部
12 車内側側壁部
13 頂壁部
14 折り返し突条(第3実施形態における「対向部」)
16 側壁残部(第1実施形態における「対向部」)
17 張出部(第2実施形態における「対向部」)
18 被係止部
19 樹脂層(溶融した熱可塑性樹脂に由来する)
21 突出部
30 エンドキャップ
31 蓋部
32 挿入部
32a 挿入部の車内側面
33 支持タブ(挿入部の一部である)
33a 支持タブの車内側面(挿入部の車内側面でもある)
34 係止部
37 引掛部
37a 引掛面
40 超音波ホーン
41 先端凸部
42 環状突条
43 環状凹部
S 隙間
Claims (12)
- 車両用ドアのドアパネルの上縁に沿って取り付けられるベルトモールであって、熱可塑性樹脂からなる長尺なモール本体と、前記モール本体の一端部に取り付けられるエンドキャップとを有するベルトモールを製造する方法であって、当該方法は、
互いに対向する車外側側壁部及び車内側側壁部、並びに、これら二つの側壁部を一体に連結する頂壁部を有するモール本体であって、当該モール本体の端末付近において前記車内側側壁部は、車内側側壁部の一部が除去されてなる側壁残部を有している、モール本体を準備する工程と、
前記モール本体の開口端を塞ぐための蓋部と、前記蓋部から延設されて前記モール本体の車外側側壁部と側壁残部との間に挿入される挿入部とを備えたエンドキャップであって、前記挿入部は、車内側においてエンドキャップの挿入方向に沿って延びる車内側面を有しており、且つ当該挿入部には、前記車内側面と交差するように設けられた引掛面が形成されている、エンドキャップを準備する工程と、
前記モール本体に前記エンドキャップの挿入部を挿入して、前記エンドキャップの挿入部と、当該挿入部よりも車内側に位置して当該挿入部と対向する前記モール本体の一部(以下「対向部」という)とを対向配置する、挿入工程と、
前記モール本体の対向部のうち、前記引掛面よりも前記エンドキャップの蓋部側寄りの部分を変形させることで、前記エンドキャップの挿入部の車内側面よりも車外側に突出する突出部を前記モール本体に形成する、突出部形成工程と、
を備えており、
前記モール本体の突出部と前記エンドキャップの引掛面との係合に基づいて前記挿入方向と反対方向へのエンドキャップの移動を阻止し得る、ことを特徴とするベルトモールの製造方法。 - 前記突出部形成工程では、前記モール本体の対向部の一部を溶融し変形させて前記突出部を形成する、ことを特徴とする請求項1に記載のベルトモールの製造方法。
- 前記突出部形成工程では、前記モール本体の対向部に超音波ホーンを接触させて、当該対向部の一部を溶融する、ことを特徴とする請求項2に記載のベルトモールの製造方法。
- 前記超音波ホーンは、その先端に形成された先端凸部と、前記先端凸部の外周縁に形成された環状凹部とを有する、ことを特徴とする請求項3に記載のベルトモールの製造方法。
- 前記突出部形成工程では、前記モール本体の対向部の一部を溶融するに伴い、溶融した熱可塑性樹脂の一部が、前記突出部の周囲において前記対向部と前記挿入部との間に入り込んで隙間を満たし、その後に固化する、ことを特徴とする請求項2,3又は4に記載のベルトモールの製造方法。
- 準備された前記モール本体の側壁残部には、被係止部が形成されており、
準備された前記エンドキャップの挿入部には、前記モール本体の被係止部に係止可能な係止部が形成されており、
前記挿入工程では、前記係止部と前記被係止部との相互係止に基づいて前記モール本体に対し前記エンドキャップを仮位置決めする、ことを特徴とする請求項1~5のいずれか一項に記載のベルトモールの製造方法。 - 前記突出部の形成完了後、前記突出部と前記引掛面とは、ベルトモールの長手方向において隣接配置されると共に互いに当接する、
ことを特徴とする請求項1~6のいずれか一項に記載のベルトモールの製造方法。 - 車両用ドアのドアパネルの上縁に沿って取り付けられるベルトモールであって、
当該ベルトモールは、熱可塑性樹脂からなる長尺なモール本体と、前記モール本体の一端部に取り付けられるエンドキャップとを有し、
前記モール本体は、互いに対向する車外側側壁部及び車内側側壁部、並びに、これら二つの側壁部を一体に連結する頂壁部を有し、前記モール本体の端末付近において前記車内側側壁部は、車内側側壁部の一部が除去されてなる側壁残部を有しており、
前記エンドキャップは、前記モール本体の開口端を塞ぐための蓋部と、前記蓋部から延設されて前記モール本体の車外側側壁部と側壁残部との間に挿入される挿入部とを備えてなる、ベルトモールにおいて、
前記エンドキャップの挿入部は、車内側においてエンドキャップの挿入方向に沿って延びる車内側面を有しており、且つ当該挿入部には、前記車内側面と交差するように設けられた引掛面が形成されており、
前記モール本体は、モール本体へのエンドキャップの取り付け時に、前記エンドキャップの挿入部よりも車内側に位置して前記挿入部と対向する対向部を有し、
前記モール本体の対向部のうち、前記引掛面よりも前記エンドキャップの蓋部側寄りの部分には、前記対向部の一部を変形させてなる突出部が形成されており、当該突出部は、前記引掛面との係合に基づいて前記挿入方向と反対方向へのエンドキャップの移動を阻止し得るように、前記エンドキャップの挿入部の車内側面よりも車外側に突出している、
ことを特徴とするベルトモール。 - 前記エンドキャップの前記モール本体への装着時、前記突出部と前記引掛面とは、ベルトモールの長手方向において隣接配置されると共に互いに当接している、ことを特徴とする請求項8に記載のベルトモール。
- 前記突出部は、前記対向部の一部を溶融し変形させて形成したものであり、
前記突出部の周囲において前記対向部と前記挿入部との間には、前記対向部の一部を溶融した熱可塑性樹脂が入り込んで隙間を満たしている、ことを特徴とする請求項8又は9に記載のベルトモール。 - 前記対向部は前記車内側側壁部の側壁残部によって構成され、当該側壁残部に前記突出部が形成されている、ことを特徴とする請求項8~10のいずれか一項に記載のベルトモール。
- 前記突出部が2箇所以上形成されている、ことを特徴とする請求項8~11のいずれか一項に記載のベルトモール。
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JP2017056845A (ja) * | 2015-09-17 | 2017-03-23 | 東海興業株式会社 | エンドキャップ付きベルトモール |
JP2017144775A (ja) * | 2016-02-15 | 2017-08-24 | シロキ工業株式会社 | 車両用モール |
JP2018012352A (ja) * | 2016-07-19 | 2018-01-25 | 片山工業株式会社 | モールのエンドキャップ取付構造及びそれを用いた自動車用モール |
JP2018131082A (ja) * | 2017-02-16 | 2018-08-23 | シロキ工業株式会社 | 車両用ドアの外装構造 |
JP2019189006A (ja) * | 2018-04-25 | 2019-10-31 | 東海興業株式会社 | ベルトモール |
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JP7406515B2 (ja) | 2023-12-27 |
CN116867683A (zh) | 2023-10-10 |
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