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公开(公告)号：JPS61221242A
公开(公告)日：1986-10-01
申请号：JP6076085
申请日：1985-03-27
Applicant: BRIDGESTONE CORP
Inventor： IWAFUNE SEIICHIRO , HIRATA YASUSHI , KONDO HITOSHI
Abstract: PURPOSE:To provide the titled compsn. which is freed from the problem of heat generation without detriment to wear resistance, etc., by blending carbon black and an amino acid to rubber. CONSTITUTION:30-150pts.wt. carbon black and 0.1-5pts.wt., at least one or 2 or more kind of amino acid selected from cystine, lysine, arginine, hydroxylsine, glutamine and tryptophane are blended with 100pts.wt. rubber composed of natural rubber and/or a synthetic diene rubber.
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公开(公告)号：JP2009221248A
公开(公告)日：2009-10-01
申请号：JP2008064439
申请日：2008-03-13
Applicant: Bridgestone Corp , 株式会社ブリヂストン
Inventor： IWAFUNE SEIICHIRO
Abstract: PROBLEM TO BE SOLVED: To provide a rubber composition for a tire exhibiting excellent long-term preservation stability that is prevented from deterioration in workability in a factory and suppressed in changes in the vulcanization speed and the molecular weight of a natural rubber of a natural rubber-based unvulcanized rubber composition, particularly an unvulcanized rubber containing no vulcanizing chemicals, after preserved for a long period of term, and also to provide a tire using the same.
SOLUTION: The rubber composition for a tire includes at least 0.1 pt.mass of a sulfur-containing phenolic antioxidant based on 100 pts.mass of a natural rubber.
COPYRIGHT: (C)2010,JPO&INPITAbstract translation: 待解决的问题：提供一种具有优异的长期保存稳定性的轮胎用橡胶组合物，防止工厂的加工性劣化，并抑制天然橡胶的硫化速度和分子量的变化 天然橡胶基未硫化橡胶组合物，特别是不含硫化化学品的未硫化橡胶，长期保存，并提供使用该橡胶组合物的轮胎。 解决方案：用于轮胎的橡胶组合物包含至少0.1pt.mass的基于100磅天然橡胶的含硫酚醛抗氧化剂。 版权所有（C）2010，JPO＆INPIT
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公开(公告)号：JP2009215516A
公开(公告)日：2009-09-24
申请号：JP2008063566
申请日：2008-03-13
Applicant: Bridgestone Corp , 株式会社ブリヂストン
Inventor： IWAFUNE SEIICHIRO , MAKINO YOSHIHIRO
Abstract: PROBLEM TO BE SOLVED: To provide a method for efficiently producing the natural rubber-blended composition without passing through a mastication process of the natural rubber and without adversely affecting subsequent vulcanizate properties.
SOLUTION: The method for producing natural rubber-blended composition is to knead TSR type natural rubber, giving ≤20% amount of polymer gel within 2 weeks after the production, with carbon black in a kneading process (excluding a vulcanizing agent)without carrying out the mastication process.
COPYRIGHT: (C)2009,JPO&INPITAbstract translation: 待解决的问题：提供一种有效地生产天然橡胶共混组合物的方法，而不经过天然橡胶的咀嚼过程，而不会不利地影响随后的硫化特性。 解决方案：天然橡胶共混组合物的制造方法是在生产后2周内捏合TSR型天然橡胶，在混合过程（不包括硫化剂）中的炭黑中施加≤20％的聚合物凝胶， 不进行咀嚼过程。 版权所有（C）2009，JPO＆INPIT
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公开(公告)号：JP2006317174A
公开(公告)日：2006-11-24
申请号：JP2005137425
申请日：2005-05-10
Applicant: Bridgestone Corp , 株式会社ブリヂストン
Inventor： IWAFUNE SEIICHIRO
Abstract: PROBLEM TO BE SOLVED: To provide automatic chemical weighing equipment in a rubber processing line capable of adding precisely a chemical to natural rubber, by simple and easy constitution.
SOLUTION: This automatic chemical weighing equipment 10 is arranged with a rotor 18 with a recess 16 for storing the chemical of a fixed amount formed in an outer circumferential part, a driving means 20 for rotation-driving the rotor 18, a guide member 22 for incorporating the rotor 18, for storing the chemical in a storage part 14 into the recess 16 when an opening of the recess 16 is directed upwards in response to the rotation of the rotor 18, and for guiding the chemical in the recess 16 from a delivery port (lower part opening 22b of the guide member 22) to an objective portion, when the opening of the recess 16 is directed downwards, in a lower part of the storage part 14, and is provided with a weighing control part 24 for controlling the driving means 20 to weigh the fixed amount of chemical, by carrying out a process for delivering the chemical in the storage part 14 after stored in the recess 16.
COPYRIGHT: (C)2007,JPO&INPITAbstract translation: 要解决的问题：通过简单易行的结构，在橡胶加工生产线中提供自动化学称重设备，能够将化学品精确添加到天然橡胶中。 解决方案：该自动化学称重设备10设置有转子18，转子18具有用于存储形成在外圆周部分中的固定量的化学品的凹部16，用于旋转驱动转子18的驱动装置20， 用于结合转子18的构件22，用于当凹部16的开口响应于转子18的旋转向上引导时将化学物质存储在存储部分14中进入凹部16中，并且用于将化学物质引导到凹部16中 从存放部14的下部将凹部16的开口朝向下方，从搬送口（导向部件22的下部开口部22b）向物体部配置有称量控制部24 用于控制驱动装置20对固定量的化学品进行称量，通过在存储在凹槽16中之后执行将化学品输送到储存部分14中的方法。（C）2007，JPO＆INPIT
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公开(公告)号：JP2006315197A
公开(公告)日：2006-11-24
申请号：JP2005137426
申请日：2005-05-10
Applicant: Bridgestone Corp , 株式会社ブリヂストン
Inventor： IWAFUNE SEIICHIRO
Abstract: PROBLEM TO BE SOLVED: To provide the rubber withdrawing device of a natural rubber dryer constituted by putting the existing equipment to practical use to reduce the load of a worker and capable of simply recovering a rubber from a trolley. SOLUTION: The rubber withdrawing device 1 of the natural rubber dryer is constituted so as to withdraw a dried block-like natural rubber 9 from each of a plurality of the rubber housing parts 16 formed to the trolley 10 of the natural rubber dryer and comprises the picking part 2, which is inserted and screwed in the natural rubber 9 to hold the natural rubber 9, and the handle part 3 for integrally supporting the picking part 2 to operate the same. The picking part 2 is formed into a spiral shape and the leading end part 2a thereof is sharpened while the handle part 3 is formed into an almost T-shape and provided with a horizontal bar part 3a having a shape and dimension capable of being grasped by both hands of the worker and the vertical bar part provided almost vertically with respect to the horizontal bar part 3a. COPYRIGHT: (C)2007,JPO&INPIT
Abstract translation: 要解决的问题：提供天然橡胶干燥机的橡胶抽出装置，其通过将现有设备实际使用来减少工人的负载并且能够简单地从手推车回收橡胶而构成。 解决方案：天然橡胶干燥机的橡胶抽出装置1构成为从形成在天然橡胶干燥机的台车10上的多个橡胶收纳部16中的每一个收回干燥的块状天然橡胶9 并且包括被插入并旋入天然橡胶9以保持天然橡胶9的拾取部分2和用于一体地支撑拾取部分2以操作天然橡胶9的手柄部分3。 捡拾部2形成为螺旋状，其前端部2a被锐化，同时手柄部3形成为大致T字形，并且设置有水平杆部3a，其具有能够被抓握的形状和尺寸 工人的双手和垂直杆部相对于水平杆部3a几乎垂直地设置。 版权所有（C）2007，JPO＆INPIT
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Patent Agency Ranking
公开(公告)号：JP2006213750A
公开(公告)日：2006-08-17
申请号：JP2005025161
申请日：2005-02-01
Applicant: Bridgestone Corp , 株式会社ブリヂストン
Inventor： IWAFUNE SEIICHIRO
IPC: C08C1/14 , C08K5/24 , C08K5/3472 , C08L7/00
Abstract: PROBLEM TO BE SOLVED: To provide a natural rubber improved with its low heat-generating property and having a stable quality in its preservation, and a rubber composition of the same.
SOLUTION: This natural rubber is obtained by coagulating latex having ≥50% rubber concentration (DRC) obtained by centrifugally separating/concentrating the natural rubber latex, dry-treating and then adding a hydrazine compound or a triazole compound as a viscosity stabilizer, and the rubber composition of the same is also provided.
COPYRIGHT: (C)2006,JPO&NCIPIAbstract translation: 待解决的问题：提供一种天然橡胶，其天然橡胶具有低的发热性能，并具有稳定的保存品质及其橡胶组合物。 解决方案：通过将通过离心分离/浓缩天然橡胶胶乳获得的具有≥50％橡胶浓度（DRC）的胶乳凝结，然后加入肼化合物或三唑化合物作为粘度稳定剂，获得该天然橡胶 ，还提供了其橡胶组合物。 版权所有（C）2006，JPO＆NCIPI
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57.发明专利Natural rubber mixture, its production method, and rubber composition prepared by using the same 审中-公开天然橡胶混合物及其制备方法和使用该橡胶组合物的橡胶组合物
公开(公告)号：JP2003313366A
公开(公告)日：2003-11-06
申请号：JP2002121111
申请日：2002-04-23
Applicant: Bridgestone Corp , 株式会社ブリヂストン
Inventor： IWAFUNE SEIICHIRO , MAEDA HIROMI
Abstract: PROBLEM TO BE SOLVED: To provide a natural rubber mixture which can exclude or reduce the mastication step, has a low viscosity without increasing the viscosity during storage, and is excellent in resistance to heat aging; a production method therefor; and a rubber composition prepared by using the same.
SOLUTION: This natural rubber mixture is obtained by treating a natural rubber latex with a surfactant and at least one kind of enzyme and adding a hydrazide compound and/or a serum component of a natural rubber to the treated latex. The surfactant is e.g. an anionic or nonionic surfactant. Examples of the enzyme are protease and cellulase.
COPYRIGHT: (C)2004,JPOAbstract translation: 要解决的问题：为了提供可以排除或减少咀嚼步骤的天然橡胶混合物，在不增加保存时的粘度的情况下具有低粘度，并且耐热老化性优异; 一种生产方法; 和使用其制备的橡胶组合物。 解决方案：该天然橡胶混合物通过用表面活性剂和至少一种酶处理天然橡胶胶乳并将酰肼化合物和/或天然橡胶的血清组分加入到经处理的胶乳中而获得。 表面活性剂例如 阴离子或非离子表面活性剂。 酶的实例是蛋白酶和纤维素酶。 版权所有（C）2004，JPO
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公开(公告)号：JP2002226630A
公开(公告)日：2002-08-14
申请号：JP2001028609
申请日：2001-02-05
Applicant: BRIDGESTONE CORP
Inventor： IWAFUNE SEIICHIRO , MAEDA HIROMI , TORATANI HIROTOSHI , KISHIMA KEN
Abstract: PROBLEM TO BE SOLVED: To provide a viscosity adjusting method for a natural rubber at a desired value. SOLUTION: The method is characterized by using more than two sorts of hydrazide compound. For example, in the case of using two sorts of hydrazide compound it is able to adjust a low viscosity natural rubber using a 12C or more alkyl acid hydrazide as a main component and to adjust a high viscosity natural rubber using a hydrazide having hydroxy groups (-OH group) in its molecule, and to adjust a middle viscosity natural rubber using a 2-5C alkyl acid hydrazide as a main component.
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公开(公告)号：JPH09235416A
公开(公告)日：1997-09-09
申请号：JP6512596
申请日：1996-02-28
Applicant: BRIDGESTONE CORP
Inventor： IWAFUNE SEIICHIRO , MATSUO KENJI , MAEYAMA YUKINORI , SAKIYAMA ATSUSHI
Abstract: PROBLEM TO BE SOLVED: To obtain a rubber composition which can give high-performance pneumatic tire treads improved in tread leaving belt resistance by using a vulcanization accelerator and a vulcanizing agent which are nondeleterious to the environment by using a specified compound. SOLUTION: This composition comprises a vulcanizable rubber, a non- nitrosoamine type vulcanization accelerator and a non-morpholine type vulcanizing agent. The composition preferably comprises 100 pts.wt. rubber component, 0.1-10 pts.wt. non-nitrosoamine type vulcanization accelerator and 0.1-10 pts.wt. active-sulfur-releasing type non-morpholine type vulcanizing agent. Desirable examples of the active-sulfur-releasing type non-morpholine vulcanizing agents used include dithiodicaprolactam, tetraethoxyphosphoryl trisulfide and blends thereof.
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公开(公告)号：JP2510533B2
公开(公告)日：1996-06-26
申请号：JP23592286
申请日：1986-10-02
Applicant: BRIDGESTONE CORP
Inventor： IWAFUNE SEIICHIRO , IWATA TOSHIRO
IPC: B60C11/00
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