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    • 1. 发明专利
    • Method for solid phase extrusion of synthetic resin
    • 固相萃取合成树脂的方法
    • JPS61143112A
    • 1986-06-30
    • JP26451784
    • 1984-12-17
    • Agency Of Ind Science & TechnolSekisui Chem Co Ltd
    • NAKAYAMA KAZUOKANETSUNA HISAAKINAKAMURA EIKISANNOMIYA YOSHINARI
    • B29C45/00B29C47/10B29C47/54B29C47/80B29C47/82B29C55/30
    • B29C55/30B29C45/0003B29C47/0021B29C47/1027B29C47/1063B29C47/54B29C47/82B29C47/825B29C47/864
    • PURPOSE:To mold a continuous product, by pressing a melted resin into a space defined by a cylinder section, a ram forward end and a billet rear end, and cooling the melted resin on the die section side thereby solidifying it. CONSTITUTION:With a part 40a of a billet 40 that has been solid-phase-molded in preceding step left in a die section 20, a ram 30 is retracted. A melted resin is pressed into a space formed by a cylinder section 10, the forward end of the ram 30 and the rear end of the billet 40. Cooling water is flowed into a passage 13 to cool the melted resin in the cylinder section 10 so that the forward part of the melted resin becomes a solid state. During this cooling stage, the melted resin is pressed by the ram 30. As a result, the molded product can be prevented from cracking in the extrusion and also the dimensional accuracy can be prevented from lowering when the size decreases. The ram 30 is moved forward to extrude the part 40a of the billet 40. The ram 30 is stopped with part of the billet 50 left in the die section 20 and is then retracted again. This procedure is repeated to obtain a continuous product.
    • 目的:通过将熔融树脂压入由圆筒部,冲头前端和坯料后端所限定的空间中,使模具部侧的熔融树脂冷却,使其固化,来成型连续制品。 构成:通过在模具部20中留下的前一步骤中已经固相成型的坯料40的一部分40a,压头30缩回。 将熔融的树脂压入由缸部10,冲头30的前端和坯料40的后端形成的空间中。冷却水流入通道13以冷却缸部10中的熔融树脂,从而 熔融树脂的前部成为固态。 在该冷却阶段期间,熔融树脂被压头30挤压。结果,可以防止模制产品在挤出中破裂,并且当尺寸减小时可以防止尺寸精度降低。 柱塞30向前移动以挤出坯料40的部分40a。冲压机30停止,其中一部分坯料50留在模具部分20中,然后再次缩回。 重复该过程以获得连续的产物。
    • 2. 发明专利
    • Mold for solid phase extrusion of synthetic resin tubular body
    • 模具用于合成树脂管体的固相挤出
    • JPS61143111A
    • 1986-06-30
    • JP26451884
    • 1984-12-17
    • Agency Of Ind Science & TechnolSekisui Chem Co Ltd
    • NAKAYAMA KAZUOKANETSUNA HISAAKIKIDA MASASHIKIYONO HIROSHINAKAMURA EIKI
    • B29C47/00B29C47/20B29C47/54B29C47/86B29C55/30
    • B29C47/20B29C47/0016B29C47/0023B29C47/003B29C47/54B29C47/86B29C47/862B29C47/864B29C55/30B29L2023/22
    • PURPOSE:To make it possible to mold a tubular body using a solid billet, by decreasing the sectional area of a resin passage toward the outlet and providing a heating section there. CONSTITUTION:An inner mold 20 is placed in an outer mold 10, a base section of the inner mold 20 is fixed by a support member 30 to the inner surface of the outer mold 10 and the forward section of the inner mold 20 is extended to the outlet 10b. The inner mold 20 is positioned between a position D and a position M, and the support member 30 is positioned between a position B and a position F. The sectional area is decreased a little between the position B and a position H, is further decreased from the position H toward a position L, and is kept constant between the position L and the position M. The sectional area of the inner mold 20 is increased from the position F toward the position H, is decreased from the position H toward the position K, and is kept constant between the position K and the position L. The outer mold 10 is provided with a locally heating section 50 and a locally cooling section 60. A billet is pressed and passed through a resin passage 40 where it is plastically deformed and is extruded into a tubular body having a rectangular cross-section, the bottom of the tubular body is cut by the support member 30, and the cut sections are joined integrally to form a tubular body again.
    • 目的:通过将树脂通道的截面积减小到出口,并在其上设置加热部,可以使用固体坯料来模制管状体。 构成:将内模20放置在外模具10中,内模具20的基部通过支撑部件30固定在外模具10的内表面,内模具20的前部延伸至 出口10b。 内模20定位在位置D和位置M之间,支撑构件30位于位置B和位置F.截面积在位置B和位置H之间稍微减小,进一步减小 从位置H朝向位置L,并且在位置L和位置M之间保持恒定。内模20的截面积从位置F朝向位置H增加,从位置H向位置 K,并且在位置K和位置L之间保持恒定。外部模具10设置有局部加热部分50和局部冷却部分60.坯料被挤压并通过树脂通道40,在那里塑性变形 并且被挤压成具有矩形横截面的管状体,管状体的底部被支撑构件30切割,并且切割部分被整体连接以再次形成管状体。
    • 3. 发明专利
    • Extrusion equipment for manufacture of tubular object
    • 挤压设备制造管状物体
    • JPS58215321A
    • 1983-12-14
    • JP9896282
    • 1982-06-08
    • Agency Of Ind Science & TechnolSekisui Chem Co Ltd
    • NAKAYAMA KAZUOKANETSUNA HISAAKINAKANO SHIROUKIYONO HIROSHINAKAMURA EIKIKIDA MASASHI
    • B29B7/00B29C47/00B29C47/20B29C47/54B29C55/30
    • B29C55/30B29C47/0004B29C47/0023B29C47/54B29L2023/22
    • PURPOSE:To obtain the tubular molded article of a high and stable dimensional accuracy, by using the extrusion equipment in which the mandrel inserted in a stock material is fixed so as not to move during the extrusion molding of a tubular object when extrusion molding the tubular object using the mandrel in a solid phase ram extrusion molding method. CONSTITUTION:When a tubular object (a) is extrusion molded using a mandrel 1 in a solid phase ram extrusion molding method, the extrusion equipment in which the mandrel is fixed so as not to move is used. As the mode to fix the mandrel 1, the rear part of the mandrel 1 is penetrated through a piston 2 and the ram 3 connected with the piston 2 and protruded into a hydraulic cylinder 4 and the rear end part 1a of the mandrel 1 protruded in the hydraulic cylinder 4 is fixed to the bottom inside the hydraulic cylinder 4. When a stock material (l) is extruded using this extrusion equipment, the mandrel 1 does not move during the extrusion molding, thereby obtaining the tubular object (a) of a high dimensional accuracy.
    • 目的:为了获得高且稳定的尺寸精度的管状模制品,通过使用挤出设备,其中插入坯料中的心轴固定成在挤出成型管状物体期间在管状物体的挤出成型期间不移动 物体使用心轴在固相冲压挤压成型方法中。 构成:使用固相冲压挤出成型法中的心轴1对管状体(a)进行挤出成型时,使用其中心轴固定为不移动的挤出设备。 作为将心轴1固定的方式,心轴1的后部穿过活塞2和与活塞2连接的凸起3并突出到液压缸4中,心轴1的后端部1a突出 液压缸4固定在液压缸4的底部。当使用该挤出设备挤压原料(1)时,心轴1在挤出成型期间不移动,从而获得管状物体(a) 尺寸精度高。
    • 4. 发明专利
    • Method for solid phase extrusion of synthetic resin
    • 固相萃取合成树脂的方法
    • JPS61143114A
    • 1986-06-30
    • JP26452084
    • 1984-12-17
    • Agency Of Ind Science & TechnolSekisui Chem Co Ltd
    • NAKAYAMA KAZUOKANETSUNA HISAAKINAKAMURA EIKISANNOMIYA YOSHINARI
    • B29C47/00B29C47/54B29C47/94
    • B29C47/54B29C47/0021B29C47/94
    • PURPOSE:To lower the contact friction between a billet and a mold, by interposing fine particles of a fluorocarbon resin between the billet of a synthetic resin and the mold. CONSTITUTION:As a fluorocarbon resin use is made of a polytetrafluoroethylene, a polyhexafluoropropylene, etc. a copolymer containing tetrafluoroethylene or hexafluoropropylene as constitutional unit may also be used. The primary particle diameter of the fluorocarbon resin is made smaller than the surface roughness of the mold surface and the billet, and the surface roughness is to be a central line average roughness Ra. The fluorocarbon resin fine particles are applied uniformly on the surface of the billet preferably in an amount of 0.01-0.1g/cm . The billet is pressed by a ram to be passed through a mold and is extruded in a solid state at a temperature in the range down to the glass transition point of the synthetic resin and up to the melting point thereof. The thin film of the fine particles of the fluorocarbon resin can be removed easily after the molding.
    • 目的:通过在合成树脂的坯料和模具之间插入氟碳树脂的细颗粒来降低坯料与模具之间的接触摩擦。 构成:作为氟碳树脂,使用聚四氟乙烯,聚六氟丙烯等,可以使用含有四氟乙烯或六氟丙烯作为结构单元的共聚物。 使氟碳树脂的一次粒径小于模具表面和坯料的表面粗糙度,表面粗糙度为中心线平均粗糙度Ra。 氟碳树脂细颗粒均匀地施加在坯料的表面上,优选地为0.01-0.1g / cm 2。 坯料由冲头压制成通过模具,并且在低于合成树脂的玻璃化转变点的温度直到其熔点为固态状态挤压。 在成型后可以容易地除去氟碳树脂微粒的薄膜。
    • 5. 发明专利
    • Method for molding low fluidity synthetic resin
    • 低流动性合成树脂模塑方法
    • JPS61143113A
    • 1986-06-30
    • JP26451984
    • 1984-12-17
    • Agency Of Ind Science & TechnolSekisui Chem Co Ltd
    • NAKAYAMA KAZUOKANETSUNA HISAAKINAKAMURA EIKISANNOMIYA YOSHINARI
    • B29B9/08B29C47/00B29C47/54B29C47/80B29C47/82B29C47/86
    • B29C47/54B29C47/0021B29C47/82B29C47/822B29C47/825B29C47/86B29C47/862
    • PURPOSE:To mold low fluidity synthetic resin with good productivity, by mixing a powder of a low fluidity synthetic resin and a liquid organic material having a boiling point higher than the melting point of the synthetic resin, and fusing the particles of the powder to mold a billet. CONSTITUTION:Powder of low fluidity synthetic resin and liquid organic mate rial are mixed to prepare a mixture 10. The liquid organic material is an aliphat ic hydrocarbon or the like having a boiling point higher than the melting point of the synthetic resin. Preferably, the weight ratio of the synthetic resin to the liquid organic material is in the range of 1:1-100:1. The mixture 10 is loaded into a cylinder section 1, is heated by a heater 6 and is pressed by a ram 9 to be molded into a billet 12. the heating is carried out at a temperature down to the melting point of the synthetic resin but up to the boiling point of the liquid organic material so that the particles of the powder may be fused and the liquid organic material in the cylinder section 1 may be prevented from evaporating. Then the mixture is pressed by the ram 9 to extrude a part 11a of the billet 11 in a solid state.
    • 目的:通过将低流动性合成树脂的粉末和沸点高于合成树脂的熔点的液体有机材料混合,并将粉末颗粒熔融成型,从而以高生产率模制低流动性合成树脂 一个钢坯。 构成:将低流动性合成树脂和液体有机物质的粉末混合以制备混合物10.液体有机材料是沸点高于合成树脂的熔点的脂肪烃等。 优选地,合成树脂与液体有机材料的重量比在1:1-100:1的范围内。 将混合物10装入圆筒部分1中,由加热器6加热并被压头9冲压成型坯12.加热在低于合成树脂的熔点的温度下进行,但是 直到液体有机材料的沸点,使得粉末的颗粒可以熔化,并且可以防止气缸部分1中的液体有机材料蒸发。 然后将混合物用压头9挤压,以固体状态挤出坯料11的一部分11a。
    • 8. 发明专利
    • Method and apparatus for measuring flexural modulus of viscoelasticity of solid
    • 用于测量固体粘弹性模量的方法和装置
    • JPS61128137A
    • 1986-06-16
    • JP24968484
    • 1984-11-28
    • Agency Of Ind Science & TechnolToyo Baldwin:Kk
    • NAKAYAMA KAZUO
    • G01N3/20G01N3/00G01N3/32G01N3/34
    • G01N3/32G01N2203/0023G01N2203/0094
    • PURPOSE:To measure flexural modulus of viscoelasticity by increasing displacement sensitivity, by forming a specimen both-end support jig as a specimen length freely adjustable mechanism and freely supporting a specimen by a predetermined angle circular end surface wedge having contact surface pressure adjustable around the support point of the specimen to apply vibration to the center of the specimen. CONSTITUTION:The vibration of a vibration driver 1 is applied to a displacement detector 2 and the vibration of the detector 2 is applied to a drive chuck 3. The chuck 3 transmits driving force to a specimen 5 in such a state that the center of the specimen 5 is freely supported by a drive chuck wedge comprising a buffer edge 4 having a blunt angle at the leading end thereof. Both ends of the specimen 5 are supported by fixed chucks 6. Support metal jigs 7W consisting of two wedges are placed only to the single sides of the driver side of the chucks 6 and the specimen 5 always receives static pressure in the driving side to be contacted with the wedges 7W under pressure and the amplitude of measuring vibration is limited to static pressure or less. Two chucks 6 are fixed on a bow shaped yoke 8 so as to make the length of the specimen 5 adjustable and the yoke 8 is fixed to a machine stand 10 through a load detector 9. By this method, displacement sensitivity is increased and the modulus of viscoelasticity of the specimen can be measured.
    • 目的:通过增加位移灵敏度来测量粘弹性的弯曲模量,通过形成样本两端支撑夹具作为样本长度可自由调节的机构,并通过预定角度的圆形端面楔块自由地支撑样本,其具有可围绕支撑件调节的接触表面压力 试样点到样品中心施加振动。 构成:振动驱动器1的振动被施加到位移检测器2,并且检测器2的振动被施加到驱动卡盘3.卡盘3将驱动力传递到样本5, 试件5由包括在其前端具有钝角的缓冲边缘4的驱动卡盘楔自由地支撑。 样本5的两端由固定卡盘6支撑。由两个楔形构成的支撑金属夹具7W仅放置在卡盘6的驱动器侧的单侧上,并且样本5总是在驱动侧接受静压 在压力下与楔7W接触,测量振动的振幅限制在静压或更小。 两个卡盘6固定在弓形轭8上,以使得试样5的长度可调,轭8通过负载检测器9固定到机架10.通过这种方法,位移灵敏度增加,模数 可以测量样品的粘弹性。