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    • 2. 发明公开
    • PAPER FEED AND CONVEYANCE ROLL AND PRODUCTION METHOD THEREFOR
    • 巴勒斯坦自治大区
    • EP3178767A1
    • 2017-06-14
    • EP15828997.5
    • 2015-08-05
    • Synztec Co., Ltd.
    • SHIBATA, YuichiNAGAI, Hiroki
    • B65H5/06B41J13/076F16C13/00
    • B41J11/04B65H5/06B65H27/00B65H2401/11B65H2404/114B65H2404/187B65H2601/522
    • The invention provides a paper-sheet-feeding/conveying roller having an elastic body 10 and a surface treatment layer 11 which has been formed by impregnating a surface portion 10a of the elastic body 10 with a treatment liquid containing an isocyanate compound and curing the liquid; and the micro hardness (Hs 1 ) of the surface treatment layer 11, the friction coefficient (µ 1 ) of the surface treatment layer 11, the micro hardness (Hs 2 ) of the elastic body 10 after removal of the surface treatment layer 11 and the friction coefficient (µ 2 ) of the elastic body 10 after removal of the surface treatment layer 11, the micro hardness values being determined by means of a micro hardness tester, satisfy the following relationships of formulas (1) and (2): 0 1 - Hs 2 )/Hs 2 ≤17% (1) and |µ 1 -µ 2 |/µ 2
    • 本发明提供一种具有弹性体10和表面处理层11的纸张供给/输送辊,该表面处理层11通过用含有异氰酸酯化合物的处理液浸渍弹性体10的表面部分10a并固化液体而形成 ; 和表面处理层11的显微硬度(Hs1),表面处理层11的摩擦系数(μ1),去除表面处理层11之后的弹性体10的显微硬度(Hs 2) 除去表面处理层11之后的弹性体10的摩擦系数(μ2),通过显微硬度计测定的显微硬度值满足式(1)和(2)的以下关系:0 <(Hs 1-Hs 2)/ Hs 2‰×17%(1)和|μ1-μ2 | /μ2 <22%(2)。
    • 5. 发明公开
    • Feed/transport roller
    • Förderwalze
    • EP1547949A1
    • 2005-06-29
    • EP04030005.5
    • 2004-12-17
    • HOKUSHIN CORPORATION
    • Noda, Shuhei
    • B65H27/00
    • B65H27/00B65H2401/111B65H2401/113B65H2404/185B65H2404/187Y10T428/31551
    • The invention provides a feed/transport roller formed of polyurethane material, which roller has high wear resistance as well as low hardness for providing excellent sheet feeding capacity and which meets a recent requirement; i.e., high durability for allowing high-speed operation. The feed/transport roller has an elastic layer formed of a castable polyurethane produced through reaction of a polyester-polyol having a number average molecular weight of 1,000 to 3,000 with a polyisocyanate, wherein the elastic layer is formed from the polyester-polyol, the polyisocyanate, an adipic acid ester derivative serving as a plasticizer, a short-chain diol having a molecular weight of 70 to 120 serving as a chain-extender, and a triol having a number average molecular weight of 3,000 to 5,000 serving as a cross-liking agent.
    • 本发明提供一种由聚氨酯材料形成的进料/输送辊,该辊具有高耐磨性和低硬度,以提供优异的进纸能力并且满足最近的要求; 即用于允许高速操作的高耐用性。 进料/输送辊具有由数均分子量为1,000至3,000的聚酯多元醇与多异氰酸酯反应制备的可浇铸聚氨酯形成的弹性层,其中弹性层由聚酯多元醇形成,多异氰酸酯 ,作为增塑剂的己二酸酯衍生物,分子量为70〜120的扩链剂的短链二醇和数均分子量为3000〜5000的三醇,作为交联剂 剂。