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    • 1. 发明授权
    • Masking tape or sheet
    • 遮蔽胶带或薄片
    • US5958580A
    • 1999-09-28
    • US812036
    • 1997-03-06
    • Naoki KohnoKazuhisa MaedaMichiro KawanishiKazuhito Okumura
    • Naoki KohnoKazuhisa MaedaMichiro KawanishiKazuhito Okumura
    • C08L23/02C09J7/02C09J121/00C09J133/00C09J201/00B32B7/12
    • C09J7/0271C08L23/02C09J2203/31Y10T428/1452Y10T428/28Y10T428/2891
    • A masking tape or sheet comprising a substrate comprising a resin (a) comprising a polypropylene as a hard segment and an olefin copolymer as a soft segment, and an adhesive layer formed on one side of said substrate. The masking tape of the present invention can precisely follow the shape of adhesion surfaces having curves, and can provide fine parting lines. In particular, when polypropylene resin (b) is added to the resin (a), the back face of the masking tape becomes smooth and can be adhered easily with fingers, and the tape can be easily cut with a cutter knife. Hence, the use of the masking tape of the present invention leads to an improved efficiency of adhesion work, particularly when the work is manually done. In addition, since the masking tape of the present invention does not contain vinyl chloride in the substrate, the masking tape after use can be incinerated without generating a toxic gas such as chlorine gas.
    • 包含基材的掩模胶带或片材,所述基材包括树脂(a),其包含作为硬链段的聚丙烯和作为软链段的烯烃共聚物,以及形成在所述基材的一侧上的粘合剂层。 本发明的胶带可以精确地跟随具有曲线的粘合表面的形状,并且可以提供精细的分型线。 特别是,当将聚丙烯树脂(b)添加到树脂(a)中时,遮蔽胶带的背面变得光滑,并且可以用手指轻松地粘合,并且可以用切割刀容易地切割胶带。 因此,使用本发明的遮蔽胶带可以提高附着力的效率,特别是当手动进行作业时。 此外,由于本发明的胶带在基材中不含氯乙烯,使用后的胶带可以焚化而不会产生诸如氯气的有毒气体。
    • 3. 发明申请
    • PRESS FORMING METHOD
    • 压制成型方法
    • US20120204619A1
    • 2012-08-16
    • US13392418
    • 2009-12-24
    • Kazuhisa MaedaKiyoshi NonomuraYoshiyuki FukuyamaTakayuki YamanoJiro Iwaya
    • Kazuhisa MaedaKiyoshi NonomuraYoshiyuki FukuyamaTakayuki YamanoJiro Iwaya
    • B21D31/00
    • B21D22/22B21D22/24B21D22/26
    • Provided is a press forming method in which the dimensional accuracy is improved and the cost for mass production can be reduced through the reduction of the number of the die corrections, etc. A press forming process forms a blank, which is the material to be pressed, into a product having a predetermined shape including a continuous hat-shaped section in the longitudinal direction and a curved portion protruding toward the top surface side in the longitudinal direction. In the press forming process, an intermediate product which has an excess thickness portion formed at a part of the curved portion of the product and protruding higher than the top surface of the product is formed while constraining the portion of the intermediate product other than the excess thickness portion until the excess thickness portion projects in a direction opposite to the protrusion direction thereof, whereby the intermediate product is formed into a predetermined shape.
    • 提供了一种冲压成型方法,其中尺寸精度提高,并且通过减少模具校正次数等能够降低批量生产的成本。压制成型工艺形成坯料,其为被压制材料 成为具有长度方向连续的帽状部的预定形状的产品和在长度方向上向上表面侧突出的弯曲部。 在冲压成形过程中,形成有在产品的弯曲部分的一部分上形成并突出高于产品顶部表面的多余厚度部分的中间产品,同时限制除过量之外的中间产品的部分 厚度部分直到多余厚度部分沿与其突出方向相反的方向突出,从而将中间产品形成为预定形状。
    • 4. 发明申请
    • WORKPIECE BENDING METHOD AND APPARATUS
    • 工作弯曲方法和装置
    • US20110120204A1
    • 2011-05-26
    • US13054699
    • 2009-07-17
    • Kazuhisa MaedaYoshiyuki FukuyamaTatsuya Asai
    • Kazuhisa MaedaYoshiyuki FukuyamaTatsuya Asai
    • B21D5/04
    • B21D22/02B21D5/045
    • A workpiece bending method of forming a final formed article that has two surfaces on opposite sides of an inclined area, in which an inclined area is made up of a first bend portion, a second bend portion, and a flat surface portion, includes: the workpiece holding step of cantilevering an end portion of the workpiece by a stationary die and a holding member; and the forming step of curving an area in the workpiece that corresponds to the flat surface portion by moving a movable die to the stationary die so that the movable die presses a free-end side of the workpiece, and then forming the first bend portion and the second bend portion, and unbending the area in the workpiece that corresponds to the flat surface portion of the inclined area, by causing the moving die to press the workpiece to the stationary die.
    • 一种在倾斜区域由第一弯曲部分,第二弯曲部分和平坦表面部分构成的倾斜区域的相对侧上形成具有两个表面的最终成形制品的工件弯曲方法包括: 通过固定模具和保持构件将工件的端部悬臂的工件保持步骤; 以及通过将可动模移动到固定模上而弯曲对应于平面部的工件区域的形成步骤,使得可动模挤压工件的自由端侧,然后形成第一弯曲部和 第二弯曲部分,并且通过使移动的模具将工件压向固定模具,使对应于倾斜区域的平坦表面部分的工件中的区域不弯曲。
    • 8. 发明申请
    • PROGRAM FOR OUTPUTTING STRESS-STRAIN EQUATION AND ITS DEVICE
    • 用于输出应力应变方程及其装置的程序
    • US20100274538A1
    • 2010-10-28
    • US12606499
    • 2009-10-27
    • Kazuhisa MaedaShigenobu OkazawaKoji Nishiguchi
    • Kazuhisa MaedaShigenobu OkazawaKoji Nishiguchi
    • G06F17/10G06F1/02
    • G06F17/5018G06F2217/08
    • There is provided a model that can evaluate properties of viscoelasticity and also rubber elasticity of an elastic material. A correlation equation between stress and strain that is calculated from: a correlation equation between stress, strain, elastic modulus and relaxation time, calculated based on a Maxwell model in which an elastic element and a viscous element are placed in series; and a correlation equation between strain and elastic modulus, including different moduli depending on properties, the correlation equation between stress and strain including different moduli depending on said properties as parameters is output as a stress-strain curve formula. There is one feature in finding a correlation between the strain and the elastic modulus, and this allows a large deformation behavior of an elastic material having properties of both rubber elasticity and viscoelasticity to be expressed with high quantitative characteristics on simulation.
    • 提供了一种能够评估弹性材料的粘弹性和橡胶弹性的性质的模型。 由应力,应变,弹性模量和弛豫时间之间的相关方程计算出的应力与应变之间的相关方程,该弹性模量和弹性模量基于弹性元件和粘性元素串联放置的麦克斯韦模型计算; 应变和弹性模量之间的相关方程,包括不同的模量取决于性质,应力和应变之间的相关方程,包括不同的模量取决于所述属性作为参数,作为应力 - 应变曲线公式输出。 找到应变与弹性模量之间的相关性有一个特征,这允许具有橡胶弹性和粘弹性性质的弹性材料的大的变形行为在模拟时以高定量特性表达。
    • 9. 发明申请
    • PROCESS FOR PRODUCING PRESSURE-SENSITIVE ADHESIVE LAYER
    • 生产压敏胶粘剂层的方法
    • US20090023832A1
    • 2009-01-22
    • US12162736
    • 2008-01-31
    • Kazuhisa MaedaIsao HiroseKunio Nagasaki
    • Kazuhisa MaedaIsao HiroseKunio Nagasaki
    • C08F2/46
    • C09J4/00B32B7/12C09J133/068C09J133/14
    • The present invention relates to a process for producing a pressure-sensitive adhesive layer, which includes irradiating a photopolymerizable acrylic pressure-sensitive adhesive composition layer provided between two films with an active energy beam to polymerize the photopolymerizable acrylic pressure-sensitive adhesive composition layer, in which the polymerization is performed while a layer of a composition for preventing polymerization inhibition which is curable with an active energy beam in the atmosphere is provided on a side surface of the photopolymerizable acrylic pressure-sensitive adhesive composition layer. According to the process for producing a pressure-sensitive adhesive layer of the present invention, owing to the construction as discussed above, it is possible to reuse a film. Moreover, it is possible to prevent a lowering in the cohesive force in the side surface of the thus formed pressure-sensitive adhesive composition layer caused by a lowering in the polymerization degree in the side surface of the photopolymerizable acrylic pressure-sensitive adhesive composition layer during the photopolymerization.
    • 本发明涉及一种压敏粘合剂层的制造方法,其包括:将设置在两片膜之间的光聚合性丙烯酸类压敏粘合剂组合物层用活性能量束照射,使光聚合性丙烯酸类粘合剂组合物层聚合, 在可光聚合的丙烯酸类压敏粘合剂组合物层的侧面上设置聚合反应,同时在气氛中用活性能量束固化的防止聚合抑制的组合物层。 根据本发明的压敏粘合剂层的制造方法,由于如上所述的结构,可以再利用膜。 此外,可以防止由于可光聚合丙烯酸类压敏粘合剂组合物层的侧表面聚合度降低而导致的由此形成的压敏粘合剂组合物层的侧表面的内聚力降低 光聚合。