WO2008065817A1 - Outil de remplissage de mousse d'une structure creuse - Google Patents

Outil de remplissage de mousse d'une structure creuse Download PDF

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Publication number
WO2008065817A1
WO2008065817A1 PCT/JP2007/069946 JP2007069946W WO2008065817A1 WO 2008065817 A1 WO2008065817 A1 WO 2008065817A1 JP 2007069946 W JP2007069946 W JP 2007069946W WO 2008065817 A1 WO2008065817 A1 WO 2008065817A1
Authority
WO
WIPO (PCT)
Prior art keywords
base material
foamable
peripheral wall
outer peripheral
peripheral surface
Prior art date
Application number
PCT/JP2007/069946
Other languages
English (en)
Japanese (ja)
Inventor
Syozi Muto
Susumu Nishimoto
Yoshihiro Takabatake
Eisuke Kasugai
Original Assignee
Kyowa Sangyo Co., Ltd.
Shinwa Seiko Co., Ltd.
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Kyowa Sangyo Co., Ltd., Shinwa Seiko Co., Ltd. filed Critical Kyowa Sangyo Co., Ltd.
Priority to JP2008546906A priority Critical patent/JPWO2008065817A1/ja
Publication of WO2008065817A1 publication Critical patent/WO2008065817A1/fr

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62D—MOTOR VEHICLES; TRAILERS
    • B62D25/00—Superstructure or monocoque structure sub-units; Parts or details thereof not otherwise provided for
    • 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
    • B29C44/00—Shaping by internal pressure generated in the material, e.g. swelling or foaming ; Producing porous or cellular expanded plastics articles
    • B29C44/02—Shaping by internal pressure generated in the material, e.g. swelling or foaming ; Producing porous or cellular expanded plastics articles for articles of definite length, i.e. discrete articles
    • B29C44/12—Incorporating or moulding on preformed parts, e.g. inserts or reinforcements
    • B29C44/18—Filling preformed cavities
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62D—MOTOR VEHICLES; TRAILERS
    • B62D29/00—Superstructures, understructures, or sub-units thereof, characterised by the material thereof
    • B62D29/001—Superstructures, understructures, or sub-units thereof, characterised by the material thereof characterised by combining metal and synthetic material
    • B62D29/002—Superstructures, understructures, or sub-units thereof, characterised by the material thereof characterised by combining metal and synthetic material a foamable synthetic material or metal being added in situ

Definitions

  • the present invention relates to a foam filling device for a hollow structure.
  • a hollow chamber of a hollow structure such as a hollow panel of a vehicle body (for example, a pillar, a rocker panel, a roof side panel, etc.) configured with a hollow box-shaped closed section by a plurality of panels is filled and blocked.
  • the present invention relates to a foam filling device for a hollow structure.
  • a foam filling tool for a hollow structure has a foamable base material made of a material that foams by external heating, and a support member that supports the foamable base material at a required position of the hollow chamber of the hollow structure. Yes.
  • the foamable base material is formed into an annular shape in advance according to the outer peripheral shape of the support member, and is attached to the support member in that shape (see Japanese Patent Application Laid-Open No. 2006-1472). Therefore, it was necessary to prepare a foamable base material for each shape of the support member. This improved product is also known in the past.
  • a foam filling device in which a foamable base material is extruded and formed in a straight line, and the foamable base material is deformed and held along the peripheral wall portion formed on the outer peripheral portion of the support member is also known in the past. (See Special Table 2004-533959). If the peripheral wall of the support member has a tight curve, the foamable base material may not be bent sufficiently. For this reason, there is a problem that the foamable base material becomes longer than necessary than the length of the peripheral wall portion, or the filling density after foaming becomes uneven.
  • an object of the present invention is to provide a foam filling tool for a hollow structure including a foamable base material that can flexibly follow the shape of a support member.
  • the foamable substrate of the present invention has a plurality of cuts that are formed in a straight long shape and extend in a direction substantially perpendicular to the long direction.
  • the support member has a peripheral wall portion standing in the vicinity of the outer peripheral portion and a holding portion formed on the outer peripheral side of the peripheral wall portion. And outside the wall A foamable base material is elastically deformed using a notch on the peripheral surface, and elastic return is restricted by the holding portion.
  • the foamable base material can flexibly follow the peripheral wall portion of the support member by a plurality of cuts. Therefore, it is necessary to use the force S to control that the foamable base material becomes longer than necessary in the tightly curved part of the peripheral wall, or that the packing density after foaming is greatly uneven.
  • the incision can be formed by cutting from the inner peripheral surface of the foamable base material facing the peripheral wall portion or the opposite outer peripheral surface toward the center of the foamable base material shaft.
  • the width can be gradually reduced from the peripheral surface or the outer peripheral surface toward the axis center. Therefore, the foamable substrate can be deformed along the peripheral wall portion more efficiently than in the case where a cut is formed on the other surface.
  • the width of the cutting force and the depth of cut gradually decreases toward the center of the shaft. For this reason, the foamable base material is configured to be easily bent not only in the direction in which the cut becomes wider but also in the direction in which the cut becomes narrower.
  • the incision can be formed by cutting from both the inner peripheral surface of the foamable substrate facing the peripheral wall portion of the support member and the opposite outer peripheral surface toward the center of the foamable substrate axis.
  • the force S can be made to have a positional relationship in which the notch on the inner peripheral surface side and the notch on the outer peripheral surface side are shifted in the longitudinal direction of the foamable substrate. Therefore, the distance force between the apexes of the inner peripheral surface side and the outer peripheral surface side is longer than that provided in a position where the inner peripheral surface side and the outer peripheral surface side are not shifted from each other. Therefore, the foamable base material has become difficult to cut.
  • the support member extends from the peripheral wall portion toward the outer periphery, and the support member extends from the peripheral wall portion in parallel with the peripheral protrusion portion to prevent the foaming base material from falling off from the peripheral protrusion portion side.
  • a drop-off prevention part is a cantilevered and elastically deformable beam part, and a claw part that is formed at the tip of the beam part and hooks on the foamable substrate. You may have. With this configuration, the foamable base material can be prevented from falling off from the peripheral overhanging portion by the dropout prevention portion.
  • the foamable substrate can be reliably and easily held on the support member because the claw portion is hung while the beam portion is elastically deformed.
  • FIG. 1 is a front view of a foam filler and a cross-sectional view of a hollow panel.
  • FIG. 2 is a cross-sectional view taken along line II-II in FIG.
  • FIG. 3 is a front view of the foamable substrate.
  • FIG. 4 is a front view of a foamable substrate according to Embodiment 2.
  • FIG. 5 is a front view of a foamable substrate according to Embodiment 3.
  • FIG. 6 is a front view of a foam filler according to a fourth embodiment.
  • FIG. 7 is a cross-sectional view taken along the line VII-VII in FIG.
  • FIG. 8 is a partially enlarged view of FIG. 7 showing a state where the foamable base material is attached to the support member.
  • FIG. 9 is a partial perspective view of a support member according to Embodiment 5.
  • FIG. 10 is a front view of a holding unit according to the fifth embodiment.
  • FIG. 11 is a cross-sectional view taken along the line XI-XI in FIG.
  • FIG. 12 is a partial perspective view of a support member according to Embodiment 6.
  • FIG. 13 is a cross-sectional view taken along line XIII—XIII in FIG.
  • FIG. 14 is a partial perspective view of a support member according to Embodiment 7.
  • FIG. 15 is a partial front view of the foam filler according to the eighth embodiment.
  • FIG. 16 is a cross-sectional view taken along line XVI—XVI in FIG.
  • a hollow panel (hollow structure) 9 shown in FIG. 1 is a pillar, a rocker panel, a roof panel or the like of a vehicle body.
  • the hollow panel 9 has a hollow box-shaped closed section by spot welding the inner panel 9a and the outer panel 9b at the flange portion.
  • a mounting hole 9al is provided at a predetermined position of the inner panel 9a, and the clip 2f of the foam filler 1 is engaged with the mounting hole 9al.
  • the foam filler 1 is a member that exhibits a sound insulation function by filling the hollow chamber 9c of the hollow panel 9, and includes a support member 2 and a foamable substrate 3 as shown in FIGS. ing.
  • the support member 2 has a shape slightly smaller than the cross-sectional shape of the hollow panel 9, and is disposed at a position substantially orthogonal to the longitudinal direction of the hollow chamber 9c.
  • the support member 2 includes a first part 2p and a second part 2q, and a bridging part 2r that bridges the first part 2p and the second part 2q.
  • the first part 2p and the second part 2q are disposed on the main body 2a and the outer periphery of the main body 2a.
  • the peripheral wall portion 2b is erected, and the peripheral projecting portion 2c is projected from the tip edge of the peripheral wall portion 2b to the inner peripheral wall surface of the hollow chamber 9c.
  • the peripheral wall portion 2b forms a predetermined gap (for example, about 5 mm) facing the inner peripheral wall surface.
  • the base end portion of the peripheral wall portion 2b is provided with a plurality of dropout prevention portions 2e that extend in parallel with the peripheral overhang portion 2c.
  • a foamable base material 3 is installed between the drop-off prevention part 2e and the circumferential overhanging part 2c, and the foamable base material 3 may fall off from the support member 2 in the longitudinal direction of the hollow chamber 9c by the drop-off prevention part 2e. Is prevented.
  • a plurality of holding portions 2d are formed in a projecting shape on the circumferentially projecting portion 2c.
  • the holding portion 2d is formed on the outer peripheral side of the peripheral wall portion 2b in order to restrict elastic return of the foamable base material 3 elastically deformed along the outer peripheral surface of the peripheral wall portion 2b. Therefore, the foamable substrate 3 is held at a position along the outer peripheral side of the peripheral wall portion 2b by the holding portion 2d.
  • the support member 2 is formed by injection molding or the like of a hard synthetic resin material (for example, 66 nylon) having heat resistance. As shown in FIGS. 1 and 2, the support member 2 integrally has a clip 2f. The clip 2f is inserted into the mounting hole 9al of the hollow panel 9 and is elastically engaged around the hole of the mounting hole 9al. Match.
  • a hard synthetic resin material for example, 66 nylon
  • the foamable base material 3 is formed of a foamable material, for example, a thermoplastic resin material such as EVA (ethylene butyl alcohol) or EMA (ethylene monomethyl acrylate copolymer resin), a foaming agent, and a crosslinking agent. It is foamed by the heat of the baking finish on the vehicle body (for example, 110 ° C to; temperature around 190 ° C).
  • a thermoplastic resin material such as EVA (ethylene butyl alcohol) or EMA (ethylene monomethyl acrylate copolymer resin)
  • EMA ethylene monomethyl acrylate copolymer resin
  • the foamable substrate 3 is injection-molded into a long shape, for example, a straight long shape having a square cross section, as shown in FIG.
  • a plurality of cuts 3a and 3b are formed.
  • the cuts 3a and 3b are cut from one side surface of the foamable substrate 3 and its opposite surface toward the axis center. Therefore, the cuts 3a and 3b extend in a direction substantially orthogonal to the longitudinal direction.
  • the widths of the cuts 3a and 3b are gradually narrowed from one side surface or the opposite surface toward the center of the shaft, and are formed in a triangular cross section.
  • a plurality of pleat portions 3c, 3d are formed by the cuts 3a, 3b.
  • a core wire portion 3 e extending in the longitudinal direction is formed between the pleat portions 3 c and 3 d.
  • the foamable substrate 3 is elastically deformed along the peripheral wall 2b of the first part 2p, the bridging part 2r, and the peripheral wall 2b of the second part 2q of the support member 2.
  • the support member 2 is disposed.
  • the cuts 3a and 3b of the foamable base material 3 are disposed at the inner peripheral surface position facing the outer peripheral surface of the peripheral wall portion 2b and at the opposite outer peripheral surface position. Therefore, the foamable substrate 3 is easily elastically deformed using the cuts 3a and 3b.
  • the pleats 3c at the inner peripheral surface position are configured to avoid interference by the cuts 3a and 2b.
  • the foamable substrate 3 has a configuration in which only the core portion 3e having a narrower width than the entire width is elastically deformed, and can be elastically deformed flexibly.
  • the foam filler 1 is attached to the hollow panel 9 so that the support member 2 is substantially perpendicular to the longitudinal direction of the hollow chamber 9c, as shown in FIGS.
  • the foamable base material 3 is foamed by the heat of the baking coating on the vehicle body, and the foaming direction is regulated by the peripheral wall portion 2b and the peripheral overhang portion 2c at the time of foaming. Therefore, the foamable base material 3 efficiently foams toward the inner peripheral wall surface of the hollow chamber 9c, and fills the space between the peripheral wall portion 2b and the inner peripheral wall surface of the hollow chamber 9c. As a result, the hollow chamber 9c is blocked by the foamable base material 3 and the main body 2a of the support member 2.
  • the foamable substrate 3 has a plurality of cuts 3a and 3b that are formed in a straight long shape as shown in FIG. 3 and extend in a direction substantially orthogonal to the long direction.
  • the support member 2 has a peripheral wall portion 2b standing near the outer peripheral portion, and a holding portion 2d formed on the outer peripheral side of the peripheral wall portion 2b.
  • the foamable base material 3 is arranged on the outer peripheral surface of the peripheral wall portion 2b while being elastically deformed using the cuts 3a and 3b, and the elastic return is restricted by the holding portion 2d.
  • the foamable substrate 3 can flexibly follow the peripheral wall portion of the support member by the plurality of cuts 3a and 3b. Therefore, it is possible to suppress the fact that the foamable base material 3 becomes longer than necessary at the tight part of the curve of the peripheral wall portion 2b or that the packing density after foaming is greatly uneven.
  • the cuts 3a and 3b are directed from the inner peripheral surface of the foamable base material 3 facing the peripheral wall portion 2b as shown in FIGS. 1 and 3 or from the opposite outer peripheral surface toward the center of the foamable base material 3 axis.
  • the width is gradually reduced from the inner or outer peripheral surface toward the center of the shaft.
  • the foamed base material 3 can be efficiently deformed along the peripheral wall portion 2b as compared with the case where the cut is formed on the other surface.
  • the widths of the cuts 3a and 3b are gradually narrowing toward the axis center. Therefore, the foamable substrate 3 is not only narrow in the direction in which the incisions 3a and 3b are widened, but also narrow It is the structure which is easy to bend also in the direction.
  • a second embodiment will be described with reference to FIG.
  • the second embodiment is different from the first embodiment in that it has a foamable base material 4 shown in FIG. 4 instead of the foamable base material 3 shown in FIG. ing.
  • the second embodiment will be described focusing on the differences.
  • the foamable substrate 4 is extruded into, for example, a square cross section and a linear long shape.
  • a plurality of cuts 4a and 4b are formed.
  • the cuts 4a and 4b are cut from the one side surface (inner peripheral surface) of the foamable substrate 4 and the opposite surface (outer surface) to the axial center. Therefore, the cuts 4a and 4b extend in a direction substantially orthogonal to the longitudinal direction.
  • the widths of the cuts 4a and 4b are substantially constant from one side surface or the opposite surface toward the center of the axis, and are formed in a square cross section.
  • a plurality of pleats 4c, 4d are formed by the cuts 4a, 4b. Between the pleat portions 4c and 4d, a core wire portion 4e extending in the longitudinal direction is formed.
  • Embodiment 3 will be described with reference to FIG.
  • the third embodiment is different from the first embodiment in that it has a foamable substrate 5 shown in FIG. 5 instead of the foamable substrate 3 shown in FIG. ing.
  • the third embodiment will be described focusing on the differences.
  • the foamable substrate 5 is extruded, for example, in a rectangular cross section and in a linear long shape.
  • a plurality of cuts 5a and 5b are formed.
  • the cuts 5a and 5b are cut from the one side surface (inner peripheral surface) of the foamable base material 5 and the opposite surface (outer surface) thereof to the center of the shaft, and extend in a direction substantially orthogonal to the longitudinal direction.
  • the widths of the cuts 5a and 5b are gradually narrowed from one side surface or the opposite surface toward the center of the axis, and are formed in a triangular cross section.
  • a plurality of pleats 5c, 5d are formed by the cuts 5a, 5b.
  • a core wire portion 5e extending in the longitudinal direction is formed between the pleat portions 5c and 5d.
  • the cuts 5a and 5b are shifted in the longitudinal direction of the foamable substrate 5, and the apexes of the cuts 5a and 5b are shifted in the longitudinal direction.
  • the interval between cuts 5a or between cuts 5b It is shifted by a distance of 1/4 or more and 1/2 or less of the interval.
  • Embodiment 3 is formed as described above. That is, the incisions 5a and 5b are cut toward the center of the axis of the foamable substrate 5 on both sides of the inner peripheral surface of the foamable base material 5 facing the peripheral wall portion 2b of the support member 2 and the opposite outer peripheral surface. (See Figs. 1 and 5).
  • the notch 5a on the inner peripheral surface side and the notch 5b on the outer peripheral surface side are in a positional relationship shifted in the longitudinal direction of the foamable substrate 5. Therefore, the distance 5f between the vertices of the notches 5a and 5b on the inner peripheral surface side and the outer peripheral surface side is longer than that of the not-shifted shape as in the notches 3a and 3b shown in FIG. Therefore, the foamable substrate 5 is difficult to cut.
  • Embodiment 4 will be described with reference to FIGS.
  • the fourth embodiment is different from the first embodiment in that it has a support member 7 shown in FIGS. 6 to 8 instead of the support member 2 shown in FIG. Yes.
  • the fourth embodiment will be described focusing on the differences.
  • the support member 7 includes a main body portion 7a, a peripheral wall portion 7b erected on the outer peripheral portion of the main body portion 7a, and a peripheral portion projecting outward from the tip edge of the peripheral wall portion 7b. It has an overhang 7c.
  • the base end portion of the peripheral wall portion 7b is provided with a plurality of dropout prevention portions 7e that extend in parallel with the peripheral overhang portion 7c and prevent the foamable base material 3 from falling off.
  • a penetrating portion 7cl is formed in the region of the circumferential overhanging portion 7c corresponding to the dropout preventing portion 7e. Therefore, the drop-off prevention part 7e is easily formed by the through part 7c 1.
  • a holding portion 7d is erected on the outer peripheral edge of the circumferentially extending portion 7c.
  • the holding part 7d is provided on the entire outer peripheral edge of the circumferential overhanging part 7c, and the foamable base material 3 is fitted between the holding part 7d and the peripheral wall part 7b while being elastically deformed from the outside. Then, the elastic return of the foamable substrate 3 is regulated by the holding portion 7d, and the foamable substrate 3 is held by the support member 7.
  • the support member 7 has a peripheral wall portion 7b in the vicinity of the outer peripheral portion, a holding portion 7d on the outer peripheral side of the peripheral wall portion 7b, and a configuration that restricts elastic return of the foamable base material 3 by the holding portion 7d.
  • a clip 7f is formed on a part of the support member 7 into a body.
  • the fifth embodiment will be described with reference to FIGS.
  • the fifth embodiment is different from the first embodiment.
  • the holding force 8 formed in substantially the same manner, the holding part 2d shown in FIGS. 1 and 2 and the drop-off prevention part 2e are replaced with the holding part 8a and the drop-off prevention part 8b shown in FIG. Is different.
  • the fifth embodiment will be described focusing on the differences.
  • the holding portion 8a has a beam portion 8al and a claw portion 8a2 as shown in FIGS.
  • the beam portion 8al has a cantilever-like shape and can be elastically deformed by a pair of cuts 8c provided in the circumferentially projecting portion 2c.
  • the claw portion 8a2 is formed at the tip of the beam portion 8al, protrudes toward the foamable base material 3 and hangs on the foamable base material 3, and preferably enters the notch 3b of the foamable base material 3 to enter the core wire portion 3e. It takes.
  • the fall prevention part 8b is projected from the peripheral wall part 2b in parallel with the circumferential projecting part 2c to prevent the foamable substrate 3 from coming off from the circumferential projecting part 2c side.
  • the support member 2 has a circumferential overhanging portion 2c and a dropout preventing portion 8b.
  • the holding portion 8a formed on the circumferentially projecting portion 2c is a cantilevered and elastically deformable beam portion 8al, and a claw portion that is formed at the tip of the beam portion 8al and hooks on the foamable substrate 3. 8a2. Therefore, the foamable base material 3 can be prevented from falling off from the extended portion 2c side by the dropout preventing portion 8b.
  • the foamable base material 3 can be securely and easily held by the support member 2 because the claw portion 8a2 is hooked while the beam portion 8al is elastically deformed.
  • the sixth embodiment will be described with reference to FIGS.
  • the force S formed in substantially the same manner as in the first embodiment is supported by the drop-off prevention portion 8d shown in FIGS. 12 and 13 instead of the holding portion 2d and the drop-off prevention portion 2e shown in FIGS. It differs in that it is formed on member 2.
  • the sixth embodiment will be described focusing on the differences.
  • the drop-off preventing portion 8d extends from the peripheral wall portion 2b in parallel with the peripheral overhang portion 2c.
  • the drop-off prevention portion 8d has a beam portion 8dl that is cantilevered and elastically deformable, and a claw portion (holding portion) 8d2 formed at the tip of the beam portion 8dl.
  • the claw portion 8d2 protrudes toward the foamable base material 3 and is hooked on the foamable base material 3, and preferably enters the notch 3b of the foamable base material 3 and hits the core wire portion 3e. Accordingly, the claw portion (holding portion) 8d2 regulates the elastic return of the foamable base material 3.
  • a hole 8e having a shape corresponding to the drop-off preventing portion 8d is formed in the circumferential protrusion 2c.
  • Embodiment 7 will be described with reference to FIG.
  • the seventh embodiment is different from the sixth embodiment in that it has a protrusion (holding portion) 8f in addition to the configuration of the sixth embodiment.
  • the protrusion 8f protrudes from both side positions of the hole 8e toward the drop-off preventing portion 8d and is hooked on the foamable base material 3, and preferably enters the cut 3b of the foamable base material 3 and hits the core wire portion 3e. Accordingly, the protrusion (holding portion) 8f regulates the elastic return of the foamable substrate 3.
  • the eighth embodiment will be described with reference to FIGS.
  • the force formed in substantially the same manner as in the first embodiment, in which the holding member 8g shown in FIGS. 15 and 16 is formed on the support member 2 in place of the holding member 2d shown in FIGS. are different.
  • the holding part 8g has a pin shape as shown in FIGS. 15 and 16, and protrudes from the circumferentially projecting part 2c toward the foamable substrate 3 side. Then, the holding portion 8g enters the cut 3b of the foamable base material 3 and regulates the elastic return of the foamable base material 3.
  • the present invention is not limited to the embodiments;! To 8, and may be the following embodiments.
  • the foamable substrates according to! To 8 have a square cross section and have cuts on the inner peripheral surface side facing the peripheral wall portion and on the opposite outer peripheral surface side. However, only the inner peripheral surface side or only the outer peripheral surface side, a form having notches only on other side surfaces, a form having notches on a plurality of side surfaces, a form having notches on the entire circumference, etc. .
  • the foamable substrate according to Embodiments 8 to 8 has a quadrangular cross-section, it may have other cross-sectional shapes, for example, a cross-sectional shape such as a circle, an ellipse, or a polygon. good.
  • the support members according to Embodiments 1 to 8 had drop-off prevention portions. However, it has a drop-off prevention part.
  • the support members according to Embodiments 1 to 8 partially had dropout prevention portions. However, it is possible to have a drop-off prevention part on the entire outer periphery of the support member.

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Transportation (AREA)
  • Mechanical Engineering (AREA)
  • Architecture (AREA)
  • Structural Engineering (AREA)
  • Body Structure For Vehicles (AREA)

Abstract

La présente invention concerne un outil de remplissage de mousse (1) d'une structure creuse (9) comprenant un matériau à base de mousse (3) et un élément de support (2). Le matériau à base de mousse (3) présente une forme linéairement allongée et possède des parties découpées (3a, 3b) s'étendant dans la direction généralement perpendiculaire à la direction longitudinale. L'élément de support (2) présente des parties de paroi périphérique (2b) formées verticalement à proximité de sa partie périphérique externe et des parties de retenue (2d) formées sur la face périphérique externe plus éloignée que les parties de paroi périphérique (2b). Le matériau à base de mousse (3) est déformé élastiquement et disposé sur les surfaces périphériques externes des parties de paroi périphérique (2b) tout en utilisant les parties découpées (3a, 3b), et le rétablissement de son élasticité est empêché par les parties de retenue (2d).
PCT/JP2007/069946 2006-11-29 2007-10-12 Outil de remplissage de mousse d'une structure creuse WO2008065817A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2008546906A JPWO2008065817A1 (ja) 2006-11-29 2007-10-12 中空構造物の発泡充填具

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JP2006321648 2006-11-29
JP2006-321648 2006-11-29

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2013525150A (ja) * 2010-04-26 2013-06-20 シーカ・テクノロジー・アーゲー 可撓性基材を備える膨張可能な挿入物

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Publication number Priority date Publication date Assignee Title
JPH08258047A (ja) * 1995-03-24 1996-10-08 Neox Lab:Kk 中空構造物における発泡性材料の支持構造
JP2002154129A (ja) * 2000-11-21 2002-05-28 Neoex Lab Inc 中空構造物の充填具とその製造方法
JP2003094475A (ja) * 2001-09-25 2003-04-03 Iida Sangyo Kk 空隙充填材
JP2004533959A (ja) * 2001-07-02 2004-11-11 ウッチンソン 筒状部品、特に自動車の車体部品内に取り付けるための防音装置
JP2005319845A (ja) * 2004-05-06 2005-11-17 Nitto Denko Corp 発泡充填部材
JP2005319844A (ja) * 2004-05-06 2005-11-17 Nitto Denko Corp 発泡充填部材
JP2007125859A (ja) * 2005-11-07 2007-05-24 Iida Sangyo Kk 膨張性成形体及び充填具

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH08258047A (ja) * 1995-03-24 1996-10-08 Neox Lab:Kk 中空構造物における発泡性材料の支持構造
JP2002154129A (ja) * 2000-11-21 2002-05-28 Neoex Lab Inc 中空構造物の充填具とその製造方法
JP2004533959A (ja) * 2001-07-02 2004-11-11 ウッチンソン 筒状部品、特に自動車の車体部品内に取り付けるための防音装置
JP2003094475A (ja) * 2001-09-25 2003-04-03 Iida Sangyo Kk 空隙充填材
JP2005319845A (ja) * 2004-05-06 2005-11-17 Nitto Denko Corp 発泡充填部材
JP2005319844A (ja) * 2004-05-06 2005-11-17 Nitto Denko Corp 発泡充填部材
JP2007125859A (ja) * 2005-11-07 2007-05-24 Iida Sangyo Kk 膨張性成形体及び充填具

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JP2013525150A (ja) * 2010-04-26 2013-06-20 シーカ・テクノロジー・アーゲー 可撓性基材を備える膨張可能な挿入物

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