WO2012118131A1 - Structure imperméable à l'eau pour fixation - Google Patents

Structure imperméable à l'eau pour fixation Download PDF

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Publication number
WO2012118131A1
WO2012118131A1 PCT/JP2012/055129 JP2012055129W WO2012118131A1 WO 2012118131 A1 WO2012118131 A1 WO 2012118131A1 JP 2012055129 W JP2012055129 W JP 2012055129W WO 2012118131 A1 WO2012118131 A1 WO 2012118131A1
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WO
WIPO (PCT)
Prior art keywords
packing
fastener
head
water stop
stop structure
Prior art date
Application number
PCT/JP2012/055129
Other languages
English (en)
Japanese (ja)
Inventor
裕嗣 佐々木
Original Assignee
株式会社ニフコ
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 株式会社ニフコ filed Critical 株式会社ニフコ
Publication of WO2012118131A1 publication Critical patent/WO2012118131A1/fr

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Classifications

    • 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
    • F16B43/00—Washers or equivalent devices; Other devices for supporting bolt-heads or nuts
    • F16B43/001—Washers or equivalent devices; Other devices for supporting bolt-heads or nuts for sealing or insulation
    • 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
    • F16B5/02—Joining sheets or plates, e.g. panels, to one another or to strips or bars parallel to them by means of fastening members using screw-thread
    • F16B5/0258—Joining sheets or plates, e.g. panels, to one another or to strips or bars parallel to them by means of fastening members using screw-thread using resiliently deformable sleeves, grommets or inserts

Definitions

  • the present invention relates to a water stop structure for a fastener, and when the outer rib and the inner rib protruding alternately in the front and back directions are pressed from both sides, the packing body itself is bent so as to meander, thereby The thickness of the packing can be kept thin.
  • the conventional waterproof packing described above has a problem that the thickness of the waterproof packing increases because the rib-shaped bending piece is bent. Therefore, the present invention has been made in view of the above-described problems of the prior art, and an object thereof is to make it possible to keep the thickness of the packing in use thin.
  • the water stop structure of the fastener according to the first aspect of the present invention is characterized by the following points.
  • the fastener uses a packing for attaching an attachment member (for example, a retainer) to a member to be attached (for example, a body).
  • an attachment member for example, a retainer
  • a member to be attached for example, a body.
  • the fastener consists of a head and legs.
  • the head has a larger shape than the legs.
  • the leg portion around the through hole of the attached member (for example, body) into which the leg portion can be inserted, or around the communication hole of the attachment member (for example, hook) into which the leg portion can be inserted.
  • An engaging portion to be engaged and a packing having a central hole through which the leg portion can pass are provided.
  • the packing has the following configuration. (1) Packing body The packing body is plate-shaped. (2) Outer rib The outer rib protrudes from one of the front and back surfaces of the packing body and surrounds the periphery of the center hole.
  • Inner rib is located between the outer rib and the center hole, protrudes from the other surface of the front and back surfaces of the packing body, and surrounds the periphery of the center hole.
  • the water stop structure for a fastener according to the second aspect of the present invention is characterized by the following points.
  • the fastener uses a packing for attaching an attachment member (for example, a retainer) to a member to be attached (for example, a body).
  • an attachment member for example, a retainer
  • a member to be attached for example, a body.
  • the fastener consists of a head and legs.
  • the head has a shape larger than that of the leg and is integrated with an attachment member (for example, a retainer).
  • the leg portion is provided with a packing having a locking portion that engages with the periphery of the through hole of the member to be attached (for example, the body) and a center hole through which the leg portion can pass.
  • the packing has the following configuration. (1) Packing body The packing body is plate-shaped. (2) Outer rib The outer rib protrudes from one of the front and back surfaces of the packing body and surrounds the periphery of the center hole.
  • Inner rib is located between the outer rib and the center hole, protrudes from the other surface of the front and back surfaces of the packing body, and surrounds the periphery of the center hole. 6thly, when attaching a fastener to a to-be-attached member (for example, body), packing is compressed between a head and a to-be-attached member (for example, body), and it bends and stops water.
  • the present invention may be characterized by the following points.
  • the height of the outer rib is higher than that of the inner rib.
  • the outer rib higher than the inner rib, it is possible to improve the water stoppage in the initial stage. Water enters from the outer periphery of the packing toward the inner periphery. For this reason, according to this aspect, by forming the outer rib higher than the inner rib, it is possible not only to effectively prevent the ingress of water in the initial stage, but also a small amount of intrusion beyond the outer rib. Water can be prevented by the inner rib. In addition to this, when an uneven load is applied from the upper side of the packing, there is an advantage that it is difficult to form a gap by raising the outer rib.
  • the present invention may be characterized by the following points.
  • the central axis in the thickness direction of the outer rib including the plate thickness of the packing and the central axis in the thickness direction of the inner rib including the plate thickness of the packing are shifted from the central axis of the plate thickness of the packing body.
  • the packing body can be easily bent when the inner and outer ribs are pressed in the thickness direction.
  • the present invention may be characterized by the following points.
  • the inner side surface of the outer rib is a slope.
  • the outer rib is bent in the outer circumferential direction when compressed between the head and the mounted member, and is applied to the packing during compression. The load can be reduced.
  • the present invention may be characterized by the following points.
  • the inner rib and the center hole protrudes from the front and back surfaces of the packing body toward each other, and the central axis in the thickness direction between the apexes facing each other is the central axis of the plate thickness of the packing body.
  • a matching mass was provided.
  • the stability of the entire packing when compressed between the head and the attached member can be improved.
  • the center hole is centered when compressed between the head and the mounted member. As a result, it is possible to prevent the entire packing from being inclined.
  • the present invention may be characterized by the following points.
  • a thin lip portion is provided at the inner edge of the center hole.
  • the packing can be made difficult to shift with respect to the legs. If the outer shape of the leg part and the shape of the center hole of the packing are approximately the same, water that has entered from the leg side leaks to the head side through the leg part or enters from the head side. It is possible to prevent the leaked water from passing through the leg and leaking to the leg side by packing. Furthermore, by making the lip portion thin, rigidity can be secured while maintaining the radial tolerance of the leg portion.
  • the present invention may be characterized by the following points.
  • the packing body is formed in a disc shape.
  • the present invention may be characterized by the following points.
  • the fastener has the following configuration.
  • (1) Clip body The clip body has a head portion and a leg portion.
  • (2) Pin for example, screw
  • a pin is inserted into the clip body to maintain the expanded diameter of the leg portion.
  • the diameter expansion state of the leg part of the clip body can be maintained by inserting the pin into the clip body.
  • the screw which was made to be able to float from a clip main body by rotating after inserting in a clip main body was illustrated as a pin, it was not limited to this, A mere pin type thing may be used.
  • locking part of a leg part bends toward the inside of a communicating hole by inserting in a clip main body as a pin was illustrated, it is not limited to this, It inserts in a clip main body Thus, the outer diameter of the leg portion may be increased.
  • the outer side rib and the inner side rib which protrude alternately in the front and back direction were pushed from both sides. At this time, the thickness of the packing in use can be kept thin by bending the packing body itself so as to meander.
  • the outer rib and the inner rib protruding alternately in the front and back directions are formed on both sides, similarly to the water-stopping structure of the fastener according to the first aspect of the invention. When it is pushed from above, the thickness of the packing in use can be kept thin by bending the packing body itself to meander.
  • the head of the fastener integrally with the attachment member, it is possible to omit the attachment of the fastener to the attachment member.
  • FIG. 5 is a side view of FIG. 4. It is a perspective view of packing. It is a top view of packing.
  • FIG. 8 is a partial cross-sectional view taken along line AA in FIG. 7. It is for demonstrating the state where packing was compressed, and is the sectional view which expanded the part.
  • the 2nd Embodiment of this invention is shown, The figure is a disassembled perspective view of the fastener integrally molded with the retainer and packing. It is a perspective view of the retainer and fastener of the state corresponding to FIG.
  • the 3rd Embodiment of this invention is shown and the figure is a disassembled perspective view.
  • the 4th Embodiment of this invention is shown and the figure is a disassembled perspective view.
  • the 5th Embodiment of this invention is shown and the figure is a disassembled perspective view.
  • reference numeral 10 denotes a fastener 10, which is for attaching a retainer 30 as an attachment member to a body 20 as an attachment member, as shown in FIG. Used for water structure.
  • the body 20 is provided with a circular through hole 21 that can be inserted into a leg portion 52 described later of the fastener 10 and penetrates the front and back surfaces of the body 20.
  • the body 20 was illustrated as a to-be-attached member, it is not limited to this.
  • the circular shape is illustrated as the shape of the through-hole 21, it is not limited to this, and it may be suitable for the outer shape of the leg portion 52, and may be a square or a polygon.
  • the retainer 30 was illustrated as an attachment member, it is not limited to this. As shown in FIGS. 2 to 5, the fastener 10 is roughly divided into the following parts.
  • the packing 40 is integrally formed of a thermoplastic synthetic resin having appropriate elasticity and rigidity, such as TPO (abbreviation of Thermo PolyOlefin, olefin-based elastomer). As shown in FIGS. 1 to 9, the packing 40 is roughly divided into the following parts. The following (1) to (6) will be described later. (1) Packing body 41 (2) Center hole 42 (3) Outer rib 43 (4) Inner rib 44 (5) Mass 45 (6) Lip part 46 Each part of the packing 40 is not limited to the above (1) to (6). (Clip body 50) As shown in FIGS. 2 to 5, the clip body 50 is inserted into the through hole 21 of the body 20 and attached to the through hole 21. The clip body 50 is integrally formed with the retainer 30 by a thermoplastic synthetic resin having appropriate elasticity and rigidity.
  • TPO abbreviation of Thermo PolyOlefin, olefin-based elastomer
  • the clip body 50 is formed integrally with the retainer 30, the clip body 50 is not limited to this and may be formed separately from the retainer 30. As shown in FIGS. 2 and 3, the clip body 50 includes the following parts when roughly classified. The following (1) to (4) will be described later. (1) Head 51 (2) Leg 52 (3) Communication hole 53 (4) Projection 54 Each part of the clip body 50 is not limited to the above (1) to (4). (Screw 60) As shown in FIG. 2, the screw 60 can be inserted into the communication hole 53 of the clip main body 50, and prevents a locking portion 52 a of the leg portion 52 described later from bending into the communication hole 53. To do.
  • the screw 60 includes a head having a larger diameter than the communication hole 53 and a shaft portion that extends from the head and can be inserted into the communication hole 53. Similar to the clip body 50, the screw 60 is integrally formed of a thermoplastic synthetic resin having appropriate elasticity and rigidity. As shown in FIG. 2, when the shaft portion of the screw 60 is inserted into a communication hole 53 (to be described later) of the clip body 50, the shaft portion cuts into the interval between the pair of locking portions 52a. For this reason, the two locking portions 52a are prevented from being bent in a direction approaching each other, and the clip body 50 is fixed to the body 20. (Packing body 41) The packing main body 41 is plate-shaped as shown in FIGS.
  • the packing body 41 is formed in a disc shape.
  • the disk shape was illustrated as a shape of the packing main body 41, it is not limited to this. (Center hole 42) As shown in FIGS. 2 to 5, the center hole 42 can pass a leg portion 52 of the clip body 50 which will be described later.
  • the center hole 42 penetrates the front and back surfaces of the packing body 41 and is formed in a circular shape at the center of the packing body 41.
  • the circular shape is illustrated as the shape of the center hole 42, the shape is not limited to this, as long as it conforms to the outer shape of the leg portion 52, and may be a square or a polygon.
  • the outer rib 43 protrudes from one surface of the front and back surfaces of the packing body 41, that is, from the surface of the clip body 50 facing the head 51 side, which will be described later. It surrounds the surroundings.
  • the outer rib 43 is protruded from the surface of the clip body 50 that faces the head 51 described later, but is not limited to this, and protrudes from the surface facing the body 20 that is located on the opposite side of the front and back direction. You may let them.
  • the outer rib 43 is formed in an annular shape concentric with the center hole 42, and its height is set higher than the inner rib 44 described later, as shown in FIGS.
  • the central axis (not shown) in the thickness direction of the outer rib 43 including the thickness of the packing 40 is shifted from the central axis (not shown) of the thickness of the packing body 41.
  • the inner side surface of the outer rib 43 is a slope 43a as shown in FIGS. (Inner rib 44) As shown in FIGS. 1, 8, and 9, the inner rib 44 is located between the outer rib 43 and the center hole 42, and faces the other surface of the packing body 41, that is, the body 20 side. It protrudes from the surface and surrounds the periphery of the center hole 42.
  • the inner rib 44 protrudes from the surface facing the body 20 side
  • the present invention is not limited to this, and the inner rib 44 may protrude from the surface facing the head 51 side described later of the clip body 50.
  • the inner rib 44 is formed in an annular shape concentric with the center hole 42, and its height is set lower than that of the outer rib 43 as shown in FIGS. 1 and 8.
  • a central axis (not shown) in the thickness direction of the inner rib 44 including the thickness of the packing 40 is shifted from a central axis (not shown) of the thickness of the packing body 41.
  • Block 45 As shown in FIGS. 1, 8, and 9, the lump 45 is located between the inner rib 44 and the center hole 42, and protrudes from the front and back surfaces toward each other.
  • the lump portion 45 is formed in an annular shape concentric with the center hole 42, and a central axis (not shown) in the thickness direction between the apexes facing each other is used as a central axis (not shown) of the plate thickness of the packing body 41.
  • a central axis (not shown) in the thickness direction between the apexes facing each other is used as a central axis (not shown) of the plate thickness of the packing body 41.
  • the lip 46 is located at the inner edge of the center hole 42 and is formed in a thin shape.
  • the head 51 is larger in shape than the legs 52 as shown in FIGS.
  • the head 51 is formed integrally with the retainer 30 and has a substantially disc shape. Although the head 51 is formed integrally with the retainer 30, it is not limited to this and may be formed separately from the retainer 30. Moreover, although the head 51 is formed in a substantially disk shape, it is not limited to this. (Leg 52) As shown in FIGS. 2 and 3, the leg portion 52 extends integrally from the head portion 51 and can be inserted into the through hole 21 of the body 20.
  • the leg portion 52 is provided with a locking portion 52 a that engages with the periphery of the through hole 21 of the body 20.
  • the locking parts 52a are connected to the head part 51 via a hinge part, and are formed in at least a pair.
  • the pair of locking portions 52a are formed in a triangular claw shape that faces away from each other with a communication hole 53 to be described later and has a slope facing forward in the insertion direction. Although a pair of locking portions 52a is formed, the present invention is not limited to this, and three or more locking portions 52a may be provided.
  • the locking portion 52 a comes into contact with the hole edge of the through hole 21 when the leg portion 52 is inserted into the through hole 21 of the body 20.
  • the inclined surface of the locking portion 52a is pushed by the hole edge of the through hole 21, and is elastically bent toward the direction approaching each other, that is, toward the communication hole 53.
  • the outer shape of the leg portion 52 is reduced in diameter and can pass through the through hole 21.
  • the locking portion 52a passes through the through hole 21 and expands on the back side of the body 20 by the elastic restoring force of the resin.
  • the clip body 50 When the locking portion 52a is expanded, the clip body 50 is held in the through hole 21 of the body 20 by sandwiching the body 20 from the front and back surfaces with the head 51 as shown in FIG. (Communication hole 53) As shown in FIG. 2, the communication hole 53 extends from the upper surface of the head 51 toward the leg 52, and penetrates from the lower surface of the leg 52 in the present embodiment. (Projection 54) As shown in FIGS. 1 to 5, the protruding portion 54 protrudes intermittently in a ring shape so as to surround the outer edge of the head 51, and between the inner peripheral surface and the outer surface of the leg portion 52. The packing 40 fits into the donut-shaped groove.
  • the height of the protrusion 54 is formed lower than the thickness of the packing 40, and the inner diameter thereof is set larger than the outer diameter of the packing 40.
  • the protrusion 54 is for preventing the packing 40 from being crushed.
  • the leg portion 52 of the clip body 50 is inserted into the center hole 42 of the packing 40, and the packing 40 is attached to the clip body 50.
  • the leg portion 52 to which the packing 40 is attached is inserted into the through hole 21 of the body 20 as shown in FIG.
  • the retainer 30 is interposed via the clip main body 50 by sandwiching the body 20 from the front and back surfaces between the expanded locking portion 52 a and the head portion 51. It is held in the through hole 21 of the body 20.
  • the packing 40 is compressed between the head 51 of the clip body 50 and the body 20, as shown in FIG.
  • the outer rib 43 is pushed by the head 51
  • the inner rib 44 is pushed by the body 20 from the opposite side
  • the packing body 41 is elastically bent into a substantially V shape around the inner rib 44.
  • the elastic restoring force closely contacts the head 51 and the body 20.
  • the outer rib 43 bends obliquely in the outer circumferential direction of the packing body 41. Thereby, the load applied to the packing 40 during compression can be reduced by bending the outer rib 43 in the outer peripheral direction.
  • the clip body 50 is fixed to the through hole 21 of the body 20 by inserting the screw 60 deeply into the communication hole 53 of the clip body 50.
  • the outer shape of the packing 100 is formed in a square as shown in FIGS. In the center of the packing 100, a circular center hole 101 is provided through the front and back surfaces.
  • the outer shape of the packing 100 is formed in a square shape, the present invention is not limited to this and may be formed in a polygonal shape.
  • the present embodiment is characterized in that the fastener 300 and the hook 320, which is an attachment member, are formed separately.
  • the hook 320 was illustrated as an attachment member, it is not limited to this.
  • the hook 320 is provided with a circular communication hole 321 that penetrates the front and back surfaces and into which the leg 342 of the clip body 340 can be inserted.
  • the packing 330 is compressed between the head 341 of the clip main body 340 and the hook 320 which is an attachment member.
  • the hook 320 as the attachment member and the panel 310 as the attachment member are arranged upside down in FIG. 12 so that the packing 330 is attached to the head 341 of the clip body 340 and the attachment.
  • the leg portion 342 of the clip main body 340 is inserted into the communication hole 321 of the hook 320 as the attachment member through the through hole 311 of the panel 310 as the attachment member, and then the screw 350 is inserted, though not shown.
  • the leg portion 342 has a structure in which the diameter is increased on the lower side of the hook 320, and the engaging portion having the increased diameter is engaged with the periphery of the communication hole 321.
  • the panel 310 was illustrated as an attached member, it is not limited to this.
  • the structure of the through hole 311 of the panel 310, the structure of the head 341 and the leg 342 of the clip body 340, the structure of the packing 330 and the structure of the center hole 331, and the structure of the screw 350 will be described with reference to FIGS. Since this is the same as the first embodiment described with reference to FIG. (Fourth embodiment of FIG. 13) Next, a fourth embodiment of the present invention will be described with reference to FIG.
  • the packing 330 includes a hook 320 as an attachment member, and a member to be attached. It is a point located between the panel 310 which is. According to the present embodiment, packing 330 is compressed between hook 320 that is an attachment member and panel 310 that is an attachment member.
  • the hook 320 was illustrated as an attachment member and the panel 310 was illustrated as a to-be-attached member, these are not limited.
  • the feature of the present embodiment is that the fastener 400 and the hook 420 as the attachment member are formed separately, and the hook 420 is attached to the box anchor 443 of the clip body 440. This is the point.
  • the hook 420 was illustrated as an attachment member, it is not limited to this.
  • the hook 420 is provided with a rectangular communication hole 421 that penetrates the front and back surfaces and into which the box anchor 443 can be inserted.
  • packing 430 is compressed between head portion 441 of clip body 440 and panel 410 which is a member to be attached.
  • panel 410 was illustrated as an attached member, it is not limited to this.
  • the structure of the through-hole 411 of the panel 410, the structure of the head 441 and the leg 442 of the clip body 440, the structure of the packing 430 and the structure of the center hole 431, and the structure of the screw 450 are described above with reference to FIGS. Since this is the same as the first embodiment described with reference to FIG. It should be noted that the entire content of the specification, claims, drawings and abstract of Japanese Patent Application No. 2011-045076 filed on March 2, 2011 is cited here as disclosure of the specification of the present invention. Incorporate.

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Insertion Pins And Rivets (AREA)
  • Connection Of Plates (AREA)
  • Gasket Seals (AREA)

Abstract

Emballage comprenant une corps d'emballage en forme de plaque, avec une nervure extérieure partant soit de la surface avant, soit de la surface arrière du corps d'emballage et entourant la périphérie d'un trou central, et une nervure intérieure située entre la nervure extérieure et le trou central, qui dépasse soit de la surface avant, soit de la surface arrière du corps d'emballage. Dans le cas où un élément de montage (par exemple un arrêtoir) et un élément rapporté (par exemple un corps) sont montés entre une partie tête et une partie jambe), l'emballage est imperméable à l'eau du fait qu'il est comprimé et gauchi entre la partie tête et une partie de montage (telle qu'un crochet), ou entre la partie de tête et un élément rapporté (par exemple un corps ou un panneau), ou entre un élément rapporté (par exemple un panneau) et un élément de montage (tel qu'un crochet).
PCT/JP2012/055129 2011-03-02 2012-02-29 Structure imperméable à l'eau pour fixation WO2012118131A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2011-045076 2011-03-02
JP2011045076A JP2012180914A (ja) 2011-03-02 2011-03-02 留め具の止水構造

Publications (1)

Publication Number Publication Date
WO2012118131A1 true WO2012118131A1 (fr) 2012-09-07

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PCT/JP2012/055129 WO2012118131A1 (fr) 2011-03-02 2012-02-29 Structure imperméable à l'eau pour fixation

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JP (1) JP2012180914A (fr)
WO (1) WO2012118131A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3193027A1 (fr) * 2016-01-15 2017-07-19 Newfrey LLC Cheville et methode de fixation

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0530632U (ja) * 1991-06-14 1993-04-23 ダイハツ工業株式会社 シール構造
JPH0658166A (ja) * 1992-08-06 1994-03-01 Nissan Motor Co Ltd 重合部材のシール構造
JP2001082609A (ja) * 1999-09-09 2001-03-30 Motoyama Eng Works Ltd シールガスケット

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0530632U (ja) * 1991-06-14 1993-04-23 ダイハツ工業株式会社 シール構造
JPH0658166A (ja) * 1992-08-06 1994-03-01 Nissan Motor Co Ltd 重合部材のシール構造
JP2001082609A (ja) * 1999-09-09 2001-03-30 Motoyama Eng Works Ltd シールガスケット

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3193027A1 (fr) * 2016-01-15 2017-07-19 Newfrey LLC Cheville et methode de fixation

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