PROBLEM TO BE SOLVED: To enhance durability of a middle core for molding a mold molding portion while making a seal pressure about the same level between an extrusion molding portion containing a bridge and a mold molding portion containing no bridge.SOLUTION: A bridge is provided at an extrusion molding portion 2. At a mold molding portion 3, a slit 7 is provided for extracting a middle core of a metal mold to mold an inner surface of a hollow seal part 4. At an edge part of the slit 7, there is provided a rough shape. At the time of sealing, a protruding portion 16 abuts with the inner surface of the hollow seal part 4.SELECTED DRAWING: Figure 5

    【課題】ブリッジのある押出成形部分と、ブリッジの無い型成形部分とでシール圧が同程度になるようにしながら、型成形部分を成形するための中芯の耐久性を高めることができるようにする。【解決手段】押出成形部分2にはブリッジが設けられている。型成形部分3には、中空状シール部4の内面を成形する金型の中芯を抜き出すためのスリット7が設けられている。スリット7の縁部には、凹凸形状が設けられている。シール時に凸形状部分16が中空状シール部4の内面に当接する。【選択図】図5


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    Title :

    SEAL MATERIAL FOR VEHICLE


    Additional title:

    車両用シール材


    Contributors:

    Publication date :

    2016-12-22


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Japanese


    Classification :

    IPC:    B60J WINDOWS, WINDSCREENS, NON-FIXED ROOFS, DOORS, OR SIMILAR DEVICES FOR VEHICLES , Fenster, Windschutzscheiben und bewegbare Dächer, Türen oder Ähnliches für Fahrzeuge / B29C Formen oder Verbinden von Kunststoffen , SHAPING OR JOINING OF PLASTICS



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