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WO2009083113A1 - Ensemble joint d'étanchéité - Google Patents

Ensemble joint d'étanchéité Download PDF

Info

Publication number
WO2009083113A1
WO2009083113A1 PCT/EP2008/010509 EP2008010509W WO2009083113A1 WO 2009083113 A1 WO2009083113 A1 WO 2009083113A1 EP 2008010509 W EP2008010509 W EP 2008010509W WO 2009083113 A1 WO2009083113 A1 WO 2009083113A1
Authority
WO
WIPO (PCT)
Prior art keywords
sealing
verrastungsschiene
frame part
sealing arrangement
profile
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Ceased
Application number
PCT/EP2008/010509
Other languages
German (de)
English (en)
Inventor
Helmut Krebs
Heiko Ranzau
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Meteor Gummiwerke KH Badje GmbH and Co
Original Assignee
Meteor Gummiwerke KH Badje GmbH and Co
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 Meteor Gummiwerke KH Badje GmbH and Co filed Critical Meteor Gummiwerke KH Badje GmbH and Co
Publication of WO2009083113A1 publication Critical patent/WO2009083113A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

Classifications

    • 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
    • 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
    • B60J10/16—Sealing arrangements characterised by the material consisting of two or more plastic materials having different physical or chemical properties
    • 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
    • B60J10/18—Sealing arrangements characterised by the material provided with reinforcements or inserts
    • 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
    • B60J10/24—Sealing arrangements characterised by the shape having tubular parts
    • 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
    • B60J10/27—Sealing arrangements characterised by the shape having projections, grooves or channels in the longitudinal direction
    • B60J10/277—Sealing arrangements characterised by the shape having projections, grooves or channels in the longitudinal direction for facilitating specific deformation of sealing parts, e.g. for ensuring proper folding
    • 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
    • B60J10/30—Sealing arrangements characterised by the fastening means
    • 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
    • B60J10/80—Sealing arrangements specially adapted for opening panels, e.g. doors
    • 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
    • B60J10/80—Sealing arrangements specially adapted for opening panels, e.g. doors
    • B60J10/82—Sealing arrangements specially adapted for opening panels, e.g. doors for movable panels in roofs

Definitions

  • the invention relates to a sealing arrangement according to the preamble of claim 1.
  • Such sealing arrangements are used in vehicle construction to illustrate a seal of the gap between a door and a surrounding boundary or in the range of sliding roofs between a sliding roof segment and a roof-side opening boundary and between the roof segments application.
  • the sealing arrangement is intended to impart a constant, reproducible sealing effect over time, to be insensitive to environmental influences and to be integrated into the overall picture of the vehicle by its design.
  • these seal assemblies should be easy to assemble or disassemble, so that in case of wear, a simple replacement of defective sections is possible.
  • polypropylene PP
  • thermoplastic elastomer TPE
  • a reinforcement made of polyolefin fibers intended for the attachment section material with a relatively soft set of TPE, styrene-ethylene-butylene-styrene copolymer (SEBS), EPDM, (ethylene-propylene-diene rubber) for the sealing section certain material are joined together.
  • SEBS styrene-ethylene-butylene-styrene copolymer
  • EPDM ethylene-propylene-diene rubber
  • a positive-locking which is formed by integrally formed at the ends of the two legs of the U-profile of the mounting portion, with respect to the profile inwardly extending hook-like projections, which are intended to engage in groove-like profiles of the edge region of the respective door.
  • a sealing arrangement which consists of a first, strip-like, consisting of a thermoplastic, for screwing with a body part specific profile strand, and a second, hollow profile-like, made of an elastomer, here soft rubber , is assembled with the first profile line associated, wherein on the second profile strand third and fourth, each consisting of an elastomer, here foam rubber, sealing functions, but also holding functions fulfilling profile strands are recognized. All of these profile strands are produced by coextrusion and are used as a uniform sealing profile.
  • the assembly of such a sealing arrangement is comparatively complex due to the said screw connection, a circumstance which must also have an unfavorable effect on repair work, which is directed, for example, at the replacement of defective or worn sections.
  • a one-piece elastomeric material comprising a one-piece, a fastening portion and a sealing portion having, composed of a plurality of adjacent hollow profiles seal assembly.
  • the attachment section is with lateral, for positive engagement in a, with a body in a fixed connection fixed clamping rail, which may also be a structurally comparable edge profiling of a body part to which the seal assembly is to be attached.
  • Alternatively to this type of attachment is also an arrangement of locking bolts into consideration, which are locked on the one hand in a facing side wall of the mounting portion and on the other hand in holes in the body part.
  • a disadvantage of this embodiment is the materially homogeneous structure of the sealing profile, which different requirements of the mounting portion and the sealing portion can not be sufficiently taken into account.
  • the attachment portion is characterized by at least one metallic reinforcing element, which is intended for double-sided positive engagement of bolt profiles or a support rail with a body part in a solid connection.
  • Essential for this type of attachment to a body part thus mainly punctually exercised clamping effects. Comparable with these is known from the reference DE 20 2007 009 911 U1 known technique.
  • the seal arrangement known from the reference DE 20 2005 018 391 U1 is characterized by a globally U-shaped fastening section, the base side of which, together with a U-profile attached thereto, forms a hollow profile-like sealing section.
  • the attachment portion is intended to cooperate with an integrally formed on a cover frame holding profile.
  • the attachment portion and said U-profile are materially connected, but are made of plastics of different hardness, arise in deformations of the sealing portion due to the different elasticities in the boundary region of the different materials unavoidable stresses that can be transmitted only cohesively.
  • the latter is in a form-fitting manner or in addition via an adhesive bond with the attachment section. In the field of bonding or a form-fitting positive connection thus materials with completely different deformation behavior are directly connected.
  • Said frame part may directly be a structural element of a disc, an opening boundary or the like. However, it may also be manufactured separately from the latter component, which is brought into connection, for example, with the opening boundary.
  • the sealing portion is formed as a hollow profile, wherein said portion forms a wall portion thereof.
  • the effective for transmitting power between the Verrastungsschiene and the frame member functional elements are designed to the effect that for the support of the sealing portion of the frame part a broad base is provided, which transversely beyond the central contact surface and in any case includes the lateral end portions of the frame part with.
  • the features of claim 2 are directed to a possible embodiment of the system of Verrastungsschiene and frame part. Due to the fact that the one latching element of the latching rail is arranged to engage a profile element of the frame part and the other to engage a profile element of the frame part, a mounting movement results such that initially engagement with the first profile element and subsequently with pivoting of the latching rail or the sealing profile in a screwing engagement with the other profile element is made. It is essential that no tool is needed for this assembly movement and that a fastening state is ultimately representable in accordance with an elastic latching. According to the features of claim 3, the sealing profile consisting of the sealing portion and the attachment portion as an integral, producible by means of coextrusion assembly can be displayed. This opens up extremely rational production possibilities.
  • materialally deviating formed portion of the existing connection surface is provided with profilings that are determined and created for producing a positive connection, but at least to increase the existing contact area.
  • profilings can also be provided in the interface region between the materials of the sealing section and of the subsection, wherever a material bond between different materials is to be improved.
  • claims 5 to 7 are directed to advantageous material concretions of the sealing portion, the subsection and the Verrastungsschiene.
  • the frame part can be made of the same material with the Verrastungsschiene.
  • a blend based on PP (polypropylene) / EPDM can be used here.
  • the latter sealing arrangement is a simplified embodiment, in which an improved material bond is achieved by surface profiling of the interface region of the sealing section and of the locking rail directly connected thereto.
  • boundary or attachment surfaces are materially different, differing in particular in their deformation behavior materials with each other, however, as a result of the profiling, a reliable composite is shown.
  • claims 9 to 10 are directed to the further, structural and mechanical design of the alternative sealing arrangement. The materials used correspond to those already mentioned above.
  • Fig. 1 is a partially top-side perspective view of a motor vehicle
  • FIG. 2 shows a cross-sectional view of a sealing arrangement according to the invention corresponding to a sectional plane II-II of FIG. 1 in the mounted state;
  • FIG. 3, 4 each successive phases of assembly of a seal assembly according to Fig. 2;
  • FIG. 4 is a cross-sectional view of another seal assembly according to the invention.
  • FIG. 5 shows an illustration of a reinforcing insert intended for the sealing arrangements according to FIGS. 2 and 4.
  • Fig. 1 shows as an example of the installation location of the seal assembly according to the invention, the sunroof 1 of a vehicle, both the area between two roof segments as well as the area between the roof segments and the frame inside the roof side opening come into consideration.
  • the closer to be described hereinafter sealing arrangement can thus equally in accordance with a sectional plane Il - Il and a sectional plane M '- M' are used.
  • Other uses are door, luggage and engine compartment seals, wherever openings with doors, flaps, hoods etc. sealing z. B. interact in the manner of a marginal gap seal.
  • the sealing arrangement consists of a hollow-profile-like sealing section 2 and a fastening section 3, which is set up for mounting on a frame part 4 in firm connection with the vehicle.
  • the frame part 4 may be a component produced by extrusion or also by injection molding as a molded part. It is determined in a manner to be described in more detail below for the positive connection of the fastening section 3 and applied materially with regard to the provision of a sufficient strength, but in particular rigidity. As far as these conditions are met, the frame part can be made in many ways.
  • the sealing portion 2 consists - seen in the peripheral direction - from a first, relatively soft, for example made of sponge rubber portion 2 ' , which completes by a relatively harder, for example made of soft rubber, the frame part 4 facing portion 2 " in the circumferential direction to a complete hollow profile
  • the partial section 2 ' has an essentially constant wall thickness, which, however, has two notched points 5, 6 arranged at a distance from one another. These notch points 5, 6 are taking into account the installation situation, in particular sealing forces with regard to the representation of a defined deformation behavior created, which is also supported by the wall thickness profile in the region of a connection 7 of the two connections of the section 2 ' to the mounting portion 3.
  • the mounting portion 3 is composed of the partial section 2 "of the sealing portion 2 and a locking rail 8, which is intended for engagement with the frame part 4 and arranged, with the proviso that from the interaction of the Operaabschnits 2" and the locking rail 8 a play-free Seat of the seal assembly on a support structure, here the frame part 4 results.
  • the latching rail 8 which is made relatively stiffer in relation to the partial section 2 ' , for example made of PP (polypropylene), is globally like the partial section 2 " characterized by a strip-like structure, and is materially supported on its side facing away from the frame part 4 along an attachment surface 9 the partial section 2 " in connection, wherein along its longitudinal edges locking elements 10, 11 are formed, which are intended in a manner to be described below for cooperation with the frame part 4.
  • PP polypropylene
  • connection surface 9 is characterized by a surface profiling, z. B. by nubs 33 or the like surveys, which protrude into the substance of the subsection 2 " and reinforce the existing at this point cohesive connection by a positive connection on.
  • the frame part 4 is along its, the connection 7 facing a longitudinal edge by an angular, on its side facing away from the connection 7 an undercut 12 forming retaining element 13 is characterized.
  • the frame part 4 is characterized along its other longitudinal edge by a cross-sectionally approximately square web 14 which forms a locking edge 15 on its side facing away from the sealing section 2.
  • the latching element 10 extending along the one longitudinal edge of the latching rail 8 facing the holding element 13 has a hook-like end region 16 intended for engagement in the undercut 12 of the holding element 13, whereas the end region 17 of FIG the opposite longitudinal edge extending latching element 11 is also like a hook, designed to engage around the web 14 and to rest against the locking edge 15.
  • the frame part 4 forms in a central portion a flat contact surface 20, which extends from the web 14 almost up to the starting point of the locking element 10. On this contact surface 20 resting on the Verrastungsschiene 8 and thus the mounting portion 3 is held without play under elastic deformation of the locking elements 10, 11 in the sense of a mechanical bias.
  • 21, 22 are made of plastic, embedded in the substance of the Verrastungsschiene 8 threads referred, via which in a conventional manner, the shrinkage behavior of this component, which together with the sealing portion 2, in particular its sections 2 ' , 2 " by way of coextrusion is producible, can be controlled.
  • the end portion 19 of the holding member 13 forms on its, sealing portion 2 facing side a support surface 19 ' which extends parallel to the abutment surface 20.
  • the web 14 of the frame part 4 forms on its, the sealing portion 2 facing side a support surface 14 ' , which extends parallel to the contact surface 20. Due to the juxtaposition of the support surfaces 14 ' , 19 ' and the contact surface 20 results in a broad base of a support of the seal assembly without local stress concentrations.
  • FIGS. 3 and 4 the assembly of such a sealing arrangement on a frame part 4 will be explained below, wherein functional elements which correspond to those of FIG. 2 are numbered accordingly, so that a description in this regard can be dispensed with.
  • a ramp surface 23 extends obliquely in relation to the contact surface 20 in the direction of the retaining element 13 and merges into a surface section 24 extending parallel to the contact surface 20.
  • the locking element 10 is inserted, - as shown in FIG. 4 - the hook-like end portion 16 in an abutment position with the undercut 12, this thus hintertelluriden is brought, in particular screwed.
  • this phase neither a contact of the Verrastungsschiene 8 on the contact surface 20 nor an engagement of the locking element 11 is given.
  • an outer side of the web 14 is formed as a ramp surface 25, which extends under an angle inclined in the outward direction to the contact surface 20 angle.
  • the latching element 11 is characterized by a, in the direction of the web 14 towards open recess, which is intended in the final mounting state for receiving the web 14.
  • the hook-like end region 17 is set up with the proviso that in the final assembly movement starting from FIG. 4, which is characterized by a pivoting movement of the entire profile about the center of the preferably cylindrical undercut 12, a sliding movement along the ramp surface 25 occurs performs, in this case undergoes an elastic deflection, finally to spring at the end of the ramp surface under elastic relaxation in a Verrastungsposition in which a condition is applied to the locking edge 15.
  • FIG. 5 shows an alternative embodiment of a sealing arrangement, which consists of a hollow profile-like sealing portion 26 and a mounting portion 27, which are preferably produced by coextrusion.
  • the seal assembly consists globally of two nested U-profiles, wherein the base side 27 ' of one, here the attachment portion 27 forming, the underside open profile simultaneously represents the U-profile of the sealing portion 26 performing part to a hollow profile completing part.
  • connection surfaces 28, 29 are lateral, that is in the region of the boundaries of the base side 27 'located connecting surfaces, via which the two U-profiles are materially connected to each other.
  • connection surfaces 28, 29 with surface profiling such.
  • knobs or similar a form-locking mediating, penetrating into the substance of the other profile structural elements provided.
  • the side sections 27 ' , 27 " of the profile representing the fastening section are deformed inwardly in the manner of a hook at their free ends and in each case form undercuts 30, 31 whose shape is adapted to that of a frame part of a vehicle body which is not shown in the drawing Seal arrangement in a manner similar to that of Fig. 2 to 4 without the need for a tool, thus exclusively by assembly movements in their, characterized by an elastic locking installation position can be transferred.
  • a reinforcement 27 "" is included in the substance of the base side 27 ' , which may be constructed in the same way as the threads 21, 22.
  • the wall thickness profile of the sealing portion 26 is chosen to represent a desired deformation behavior and has approximately at the point 26 'to a maximum thickness.
  • a secure, in particular stable over time attachment state of the seal assembly requires a stable elastic resilience of the structure of the Verrastungsschiene or the mounting portion 3, 27 ahead. This can be achieved by the corresponding choice of a material to be used in the context of the fastening section and / or in that this section is equipped with a reinforcing element 32 shown only by way of example in FIG.
  • the reinforcing element 32 may be made of metal or plastic and is represented by a preferably provided by a strip-like along its longitudinal edges with a uniform sequence of notch-like recesses 33 structure. In this way, a sufficient bending and torsional elasticity can be represented.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Seal Device For Vehicle (AREA)

Abstract

L'invention concerne un ensemble joint d'étanchéité à insérer le long d'un bord d'ouverture dans le domaine automobile, constitué d'une partie d'étanchéité (2) du genre profilé creux, sur un tronçon (2') de laquelle est installée une barrette d'enclenchement (8) qui est elle-même destinée à l'enclenchement sur une partie de cadre (4) d'un élément de carrosserie. Par le fait que le tronçon (2') est réalisé en un matériau qui est certes plus dur que celui du reste de la partie d'étanchéité (2), mais plus mou que celui de la barrette d'enclenchement (8), on obtient entre ces éléments un assemblage fiable, adapté aux élasticités différentes des matériaux adjacents. Une application sur une grande surface est assurée entre la barrette d'enclenchement (8) et la partie de cadre (4) ; cette application est formée par des parties de surface de la partie de cadre (4), de la barrette d'enclenchement (8) et du tronçon (2') qui sont parallèles entre elles et qui s'étendent sur toute la largeur de la partie de fixation (3). On obtient ainsi une fixation fiable, évitant les concentrations locales de contraintes.
PCT/EP2008/010509 2007-12-21 2008-12-11 Ensemble joint d'étanchéité Ceased WO2009083113A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE202007017928.6 2007-12-21
DE202007017928U DE202007017928U1 (de) 2007-12-21 2007-12-21 Dichtungsanordnung

Publications (1)

Publication Number Publication Date
WO2009083113A1 true WO2009083113A1 (fr) 2009-07-09

Family

ID=39185551

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2008/010509 Ceased WO2009083113A1 (fr) 2007-12-21 2008-12-11 Ensemble joint d'étanchéité

Country Status (2)

Country Link
DE (1) DE202007017928U1 (fr)
WO (1) WO2009083113A1 (fr)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103589024A (zh) * 2013-10-29 2014-02-19 绿宝电缆（集团）有限公司 一种耐寒耐油改性多橡胶共混电缆料
CN103589022A (zh) * 2013-10-29 2014-02-19 绿宝电缆（集团）有限公司 一种抗撕裂耐寒改性氯丁橡胶电缆料
CN103601935A (zh) * 2013-10-28 2014-02-26 安徽东方金河精密机械制造有限公司 一种电容器用氯丁橡胶/溴化丁基橡胶密封圈及其制备方法
CN103601934A (zh) * 2013-10-28 2014-02-26 安徽东方金河精密机械制造有限公司 一种新型电容器用橡胶密封圈及其制备方法

Families Citing this family (6)

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Publication number Priority date Publication date Assignee Title
DE202009006421U1 (de) 2009-05-05 2009-07-23 Meteor Gummiwerke K.H. Bädje GmbH & Co. KG Dichtungsanordnung
DE102009049455B4 (de) * 2009-10-14 2013-07-18 Draftex Automotive Gmbh Dichtungsprofil und Verfahren zur Herstellung eines Dichtungsprofils
FI20126244A7 (fi) * 2012-11-27 2014-05-28 Hartwall K Oy Ab Äänenvaimennin rullakkoa varten
DE102015119366A1 (de) * 2015-11-10 2017-05-11 SCHÜCO International KG Steckdichtung und Steckdichtungsanordnung
DE102020000162B3 (de) * 2020-01-14 2021-02-18 Elkamet Kunststofftechnik Gmbh Nutleiste und Verfahren zur Herstellung
CN221097445U (zh) * 2023-11-07 2024-06-07 艾志（南京）环保管接技术股份有限公司 双密封环连接件

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US5566504A (en) * 1995-04-03 1996-10-22 Pitel; John A. Combination door gasket and safety edge strip
US20010033097A1 (en) * 2000-04-21 2001-10-25 Masahiro Nozaki Sealing structure for sealing around glass lid for sun roof

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5566504A (en) * 1995-04-03 1996-10-22 Pitel; John A. Combination door gasket and safety edge strip
US20010033097A1 (en) * 2000-04-21 2001-10-25 Masahiro Nozaki Sealing structure for sealing around glass lid for sun roof

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103601935A (zh) * 2013-10-28 2014-02-26 安徽东方金河精密机械制造有限公司 一种电容器用氯丁橡胶/溴化丁基橡胶密封圈及其制备方法
CN103601934A (zh) * 2013-10-28 2014-02-26 安徽东方金河精密机械制造有限公司 一种新型电容器用橡胶密封圈及其制备方法
CN103589024A (zh) * 2013-10-29 2014-02-19 绿宝电缆（集团）有限公司 一种耐寒耐油改性多橡胶共混电缆料
CN103589022A (zh) * 2013-10-29 2014-02-19 绿宝电缆（集团）有限公司 一种抗撕裂耐寒改性氯丁橡胶电缆料

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