-
公开(公告)号:US06564584B2
公开(公告)日:2003-05-20
申请号:US09432388
申请日:1999-11-02
IPC分类号: C03B4004
摘要: Processes for manufacturing glass optical elements by press molding a heated and softened glass material in preheated molds. In the process, the glass material is heated while it is floated by a gas blow and the heated and softened glass material is transferred to the preheated molds and then subjected to press molding. Alternatively, the process comprises: heating a glass material at a temperature at which the glass material has a viscosity of lower than 109 poises, preheating molds at a temperature at which the glass material has a viscosity of from 109 to 1012 poises, subjecting the heated and softened glass material to initial press in the preheated molds for 3 to 60 seconds, starting to cool the vicinity of molding surfaces of the molds at a rate of 20° C./minute or higher upon starting of, or during, or after the initial press, and removing a molded glass article from the molds after the temperature of the vicinity of the molding surfaces of the molds becomes a temperature equal to or lower than a temperature at which the glass material has a viscosity of 1012 poises.
摘要翻译: 通过在预热模具中加热和软化玻璃材料来压制玻璃光学元件的方法。 在此过程中,玻璃材料通过气吹而被加热,并将加热和软化的玻璃材料转移到预热的模具中,然后进行压制成型。 或者,该方法包括:在玻璃材料具有低于109泊的粘度的温度下加热玻璃材料,在玻璃材料具有109至1012泊的粘度的温度下预热模具,对加热的 并将玻璃材料软化以在预热模具中初始压制3至60秒,开始在模具的模制表面附近以20℃/分钟或更高的速率开始或在其之后或期间 初始压制,并且在模具的模制表面附近的温度变成等于或低于玻璃材料具有1012泊的粘度的温度的温度下,将模制的玻璃制品从模具中取出。
-
公开(公告)号:US6009725A
公开(公告)日:2000-01-04
申请号:US244174
申请日:1999-02-04
摘要: Processes are disclosed for manufacturing glass optical elements by press molding a heated and softened glass material in preheated molds. In the process, the glass material is heated while it is floated by a gas blow and the heated and softened glass material is transferred to the preheated molds and then subjected to press molding. Alternatively, the process comprises: heating a glass material at a temperature at which the glass material has a viscosity of lower than 10.sup.9 poises, preheating molds at a temperature at which the glass material has a viscosity of from 10.sup.9 to 10.sup.12 poises, subjecting the heated and softened glass material to initial press in the preheated molds for 3 to 60 seconds, starting to cool the vicinity of molding surfaces of the molds at a rate of 20.degree. C./minute or higher upon starting of, or during, or after the initial press, and removing a molded glass article from the molds after the temperature of the vicinity of the molding surfaces of the molds becomes a temperature equal to or lower than a temperature at which the glass material has a viscosity of 10.sup.12 poises.
摘要翻译: 公开了通过在预热的模具中加热和软化玻璃材料来制造玻璃光学元件的方法。 在此过程中,玻璃材料通过气吹而被加热,并将加热和软化的玻璃材料转移到预热的模具中,然后进行压制成型。 或者,该方法包括:在玻璃材料具有低于109泊的粘度的温度下加热玻璃材料,在玻璃材料具有109至1012泊的粘度的温度下预热模具,对加热的 并将玻璃材料软化,在预热的模具中进行初始压制3至60秒,开始于20℃/分钟或更高的温度下开始冷却模具的模制表面附近 初始压制,并且在模具的模制表面附近的温度变成等于或低于玻璃材料具有1012泊的粘度的温度的温度下,将模制的玻璃制品从模具中取出。
-
公开(公告)号:US5873921A
公开(公告)日:1999-02-23
申请号:US881751
申请日:1997-06-24
摘要: Processes for manufacturing glass optical elements by press molding a heated and softened glass material in preheated molds. In the process, the glass material is heated while it is floated by a gas blow and the heated and softened glass material is transferred to the preheated molds and then subjected to press molding. Alternatively, the process comprises: heating a glass material at a temperature at which the glass material has a viscosity of lower than 10.sup.9 poises, preheating molds at a temperature at which the glass material has a viscosity of from 10.sup.9 to 10.sup.12 poises, subjecting the heated and softened glass material to initial press in the preheated molds for 3 to 60 seconds, starting to cool the vicinity of molding surfaces of the molds at a rate of 20.degree. C./minute or higher upon starting of, or during, or after the initial press, and removing a molded glass article from the molds after the temperature of the vicinity of the molding surfaces of the molds becomes a temperature equal to or lower than a temperature at which the glass material has a viscosity of 10.sup.12 poises.
摘要翻译: 通过在预热模具中加热和软化玻璃材料来压制玻璃光学元件的方法。 在此过程中,玻璃材料通过气吹而被加热,并将加热和软化的玻璃材料转移到预热的模具中,然后进行压制成型。 或者,该方法包括:在玻璃材料具有低于109泊的粘度的温度下加热玻璃材料,在玻璃材料具有109至1012泊的粘度的温度下预热模具,对加热的 并将玻璃材料软化,在预热的模具中进行初始压制3至60秒,开始于20℃/分钟或更高的速度开始冷却模具的模制表面附近 初始压制,并且在模具的模制表面附近的温度变成等于或低于玻璃材料具有1012泊的粘度的温度的温度下,将模制的玻璃制品从模具中取出。
-
公开(公告)号:US06810686B2
公开(公告)日:2004-11-02
申请号:US10309283
申请日:2002-12-04
IPC分类号: C03B4004
摘要: Disclosed are processes for manufacturing glass optical elements by press molding a heated and softened glass material in preheated molds. In the process, the glass material is heated while it is floated by a gas blow and the heated and softened glass material is transferred to the preheated molds and then subjected to press molding. Alternatively, the process comprises: heating a glass material at a temperature at which the glass material has a viscosity of lower than 109 poises, preheating molds at a temperature at which the glass material has a viscosity of from 109 to 1012 poises, subjecting the heated and softened glass material to initial press in the preheated molds for 3 to 60 seconds, starting to cool the vicinity of molding surfaces of the molds at a rate of 20° C./minute or higher upon starting of, or during, or after the initial press, and removing a molded glass article from the molds after the temperature of the vicinity of the molding surfaces of the molds becomes a temperature equal to or lower than a temperature at which the glass material has a viscosity of 1012 poises.
摘要翻译: 公开了通过在预热的模具中加热和软化玻璃材料来压制玻璃光学元件的方法。 在此过程中,玻璃材料通过气吹而被加热,并将加热和软化的玻璃材料转移到预热的模具中,然后进行压制成型。 或者,该方法包括:在玻璃材料具有低于10泊泊的粘度的温度下加热玻璃材料,在玻璃材料的粘度为10 -9的温度下将模具预热至 10 12泊,经加温软化玻璃材料在预热模具中进行初始压制3至60秒,开始以20℃/分钟以上的速度冷却模具的模制表面附近 在初始压制之后或之中或之后,在模具的模制表面附近的温度变成等于或低于玻璃材料具有的温度的温度之下,从模具中除去模制的玻璃制品 粘度为10 12泊。
-
公开(公告)号:US5987922A
公开(公告)日:1999-11-23
申请号:US80959
申请日:1998-05-19
申请人: Shinichiro Hirota , Ken Uno , Kishio Sugawara , Kohichi Saitoh
发明人: Shinichiro Hirota , Ken Uno , Kishio Sugawara , Kohichi Saitoh
CPC分类号: C03B11/16 , C03B11/08 , C03B2215/48 , C03B2215/72 , C03B2215/73 , Y02P40/57
摘要: A manufacturing method for molded glass articles including glass optical elements such as high precision lenses not requiring grinding and polishing after press molding. The manufacturing method according to the invention is a method for manufacturing the molded glass articles having a higher surface precision with a high productivity by pressing a glass material in a stepwise manner constituted of some steps depending on a temperature condition of the glass material.
摘要翻译: 一种玻璃制品的制造方法,包括玻璃光学元件,例如在压制成型后不需要研磨和抛光的高精度透镜。 根据本发明的制造方法是通过按照玻璃材料的温度条件由一些步骤构成的逐步方式按压玻璃材料,以高生产率制造具有更高表面精度的模制玻璃制品的方法。
-
公开(公告)号:US06240235B1
公开(公告)日:2001-05-29
申请号:US09064851
申请日:1998-04-23
IPC分类号: G02B600
CPC分类号: G02B6/3861 , C03B11/08 , C03B11/082 , C03B23/0013 , C03B2215/413 , G02B6/3636 , G02B6/3652 , G02B6/3696 , G02B6/3839 , G02B6/3885
摘要: The optical fiber fixing member made of glass, especially optical fiber guide block, is conventionally produced by a mechanical processing. However, the mechanical processing has problems that a production cost becomes high and mass-production is difficult. The problems above can be solved by the present invention providing a method for producing an optical fiber fixing member comprising: disposing a glass shaping preform whose plane view resembles to the plane view of the molded article and whose faces to be positioned in the pressurizing direction during press-molding assumes planes or outwardly convex curved surfaces, in a mold having a cavity of a given shape; and heating the glass shaping preform up to a temperature at which the glass shaping preform can be mold-shaping and thereby press-molding it into a molded article having at least one edge formed of a free surface.
摘要翻译: 由玻璃制成的光纤固定部件,特别是光纤导向块,通常通过机械加工来制造。 然而,机械加工存在制造成本高,批量生产困难的问题。 上述问题可以通过提供一种光纤固定部件的制造方法的本发明来解决,该方法包括:将平面看起来类似于模制品平面的玻璃成型预成型件和在加压方向上定位的面 在具有给定形状的空腔的模具中,压制成型为平面或向外凸的弯曲表面; 并且将玻璃成型预制件加热至玻璃成型预成型件可以模塑成型的温度,从而将其压模成具有由自由表面形成的至少一个边缘的模制品。
-
公开(公告)号:US6070436A
公开(公告)日:2000-06-06
申请号:US366420
申请日:1999-08-04
申请人: Shinichiro Hirota , Ken Uno , Kishio Sugawara , Kohichi Saitoh
发明人: Shinichiro Hirota , Ken Uno , Kishio Sugawara , Kohichi Saitoh
CPC分类号: C03B11/16 , C03B11/08 , C03B2215/48 , C03B2215/72 , C03B2215/73 , Y02P40/57
摘要: Disclosed is a manufacturing method for molded glass articles including glass optical elements such as high precision lenses not requiring grinding and polishing after press molding. The manufacturing method according to the invention is a method for manufacturing the molded glass articles having a higher surface precision with a high productivity by pressing a glass material in a stepwise manner constituted of some steps depending on a temperature condition of the glass material.
摘要翻译: 公开了一种包括玻璃光学元件的玻璃制品的制造方法,例如在压制成型后不需要研磨和抛光的高精度透镜。 根据本发明的制造方法是通过按照玻璃材料的温度条件由一些步骤构成的逐步方式按压玻璃材料,以高生产率制造具有更高表面精度的模制玻璃制品的方法。
-
公开(公告)号:US4882827A
公开(公告)日:1989-11-28
申请号:US244499
申请日:1988-09-15
申请人: Yasuo Kusumi , Ken Uno , Takuo Fujino
发明人: Yasuo Kusumi , Ken Uno , Takuo Fujino
CPC分类号: C23C14/0605 , C03B11/086 , C03B40/00 , C23C14/024 , C03B2215/12 , C03B2215/24 , C03B2215/34 , Y10T29/49982
摘要: According to the present process for producing a glass mold, a base for a glass mold to be produced is subjected to a sputtering treatment using an inert gas and graphite as a target at a mold base temperature of 250.degree.-450.degree. C., and thereby is formed on the mold base a hard carbon film having excellent adhesion to the mold base and excellent hardness and being unliable to cause fusion bonding to a molded glass article produced. Accordingly, the glass mold produced according to the present process has excellent durability and excellent glass releasability.
摘要翻译: 根据本发明的玻璃模具的制造方法,在250〜-450℃的模底温度下,使用惰性气体和石墨作为目标,对所制造的玻璃模具的基材进行溅射处理, 从而在模具基体上形成具有优异的硬度的硬质碳膜,并且与制造的模制玻璃制品熔合不牢固。 因此,根据本方法制造的玻璃模具具有优异的耐久性和优异的玻璃脱模性。
-
公开(公告)号:US06434976B1
公开(公告)日:2002-08-20
申请号:US09513242
申请日:2000-02-25
申请人: Masahiro Yoshida , Reikou Fukazaki , Teruo Yamashita , Yoshiatsu Yokoo , Ken Uno
发明人: Masahiro Yoshida , Reikou Fukazaki , Teruo Yamashita , Yoshiatsu Yokoo , Ken Uno
IPC分类号: C03B3715
CPC分类号: G02B6/3839 , C03B11/082 , C03B2215/413 , G02B6/3636 , G02B6/3652 , G02B6/3696 , G02B6/3854
摘要: A manufacturing method for a glass product not having a rotatively symmetric body like an optical fiber fixing member but having a fine structure as of optical fiber engagement portions, to transfer the fine structure with a high precision without creating molding burrs, includes the steps of placing a glass material in a cavity defined by a lower mold, an upper mold, and a side mold, molding the glass material in the cavity with pressure into the glass product in so controlling that the glass material has a viscosity range of 106.5 to 109.5 poises at the beginning of molding operation with pressure, that the lower mold is at a temperature in a range such that the glass material indicates the above viscosity range, and that the upper and side molds are at a temperature in a range such that a converted viscosity of the glass material at the temperature of the upper and side molds is 5 to 100 times higher than the viscosity of the glass material at the temperature of the lower mold, and decreasing the temperature of the lower mold at the same time that or after the glass product begins to be molded with pressure. To produce an optical fiber fixing member, the lower mold has a mold face for molding optical fiber engagement portions of the optical fiber fixing member; the upper mold has a mold face for molding a bottom of the optical fiber fixing member; and the side mold has a mold face for molding a side face of the optical fiber fixing member
摘要翻译: 一种玻璃制品的制造方法,其不具有像光纤固定部件那样具有精细结构的光纤固定部件的旋转对称体,以高精度转印精细结构,而不产生成型毛刺,包括以下步骤: 在由下模具,上模具和侧模具限定的空腔中的玻璃材料,通过压力将玻璃材料在空腔中模制成玻璃制品,从而控制玻璃材料的粘度范围为106.5至109.5泊 在压力成型开始时,下模的温度处于使得玻璃材料表现出上述粘度范围的范围内的温度,并且上模和下模处于使得转化粘度 在上下模具的温度下玻璃材料的温度比下模温度高出玻璃材料的粘度的5〜100倍, 在玻璃制品开始压制成型的同时,降低下模的温度。 为了制造光纤固定构件,下模具有用于模制光纤固定构件的光纤接合部分的模具面; 上模具有用于模制光纤固定构件的底部的模具面; 并且侧模具有用于模制光纤固定构件的侧面的模具面
-
公开(公告)号:US06230520B1
公开(公告)日:2001-05-15
申请号:US09116962
申请日:1998-07-17
申请人: Shinichiro Hirota , Ken Uno
发明人: Shinichiro Hirota , Ken Uno
IPC分类号: C03B1100
摘要: A method disclosed can mold glass optical elements having a good surface precision with a relatively short cycle time even where glass optical elements are manufactured in largely transforming a glass material. This method is, for example, a molding method for glass optical elements including the step of pressing a glass molding material softened by heat until the center thickness of the glass molded article becomes 70% of the center thickness of the glass molding material to produce the glass molded article. The preheat temperature of the mold is set to a temperature that the average of the temperatures around molding surfaces of upper and lower molds constituting the mold is a temperature that the glass molding material indicates a viscosity of X poises; the heating temperature of the glass molding material is set to a temperature that the glass molding material indicates a viscosity of Y poises; the viscosity X and the viscosity Y satisfy the following formulas. log X
摘要翻译: 所公开的方法可以在具有相当短的周期时间的情况下模制具有良好的表面精度的玻璃光学元件,即使在玻璃材料的大幅度转化中制造玻璃光学元件的情况下也是如此。 该方法例如是玻璃光学元件的成型方法,其包括对通过加热软化的玻璃成型体进行加压,直到玻璃成形体的中心厚度成为玻璃成形材料的中心厚度的70%为止, 玻璃成型品。 将模具的预热温度设定为构成模具的上模具和下模具的成型面周围温度的平均值为玻璃成型材料表示X泊的粘度的温度的温度; 将玻璃成形材料的加热温度设定为玻璃成形材料表示Y泊的粘度的温度; 粘度X和粘度Y满足下式。
-
-
-
-
-
-
-
-
-