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    • 5. 发明申请
    • METHOD AND EQUIPMENT FOR MANUFACTURING CURVED GLASS SHEET
    • 制造弯曲玻璃板的方法和设备
    • US20130081428A1
    • 2013-04-04
    • US13299549
    • 2011-11-18
    • SHYAN-JUH LIUCHU-SHENG CHENWEI-PING LI
    • SHYAN-JUH LIUCHU-SHENG CHENWEI-PING LI
    • C03B9/00C03B23/02
    • C03B23/0352C03B23/0355C03B40/00Y02P40/57
    • A method for manufacturing curved glass sheet includes the following: an equipment, including a matching first mold core and a second mold core, is provided; a raw glass sheet is provided and placed on the second mold core covering second mold cavity; a pressure is controlled in the first and second mold cavities to a first pressure; the mold cores are closed and heated, to raise the raw glass sheet to a temperature of about glass transition temperature of raw glass sheet; a gas is supplied into the first mold cavity to raise the pressure in the first mold cavity to a second pressure which is greater than first pressure, in which the raw glass sheet is bent to the second forming surface of second mold core under pressure; mold cores are opened and cooled down to obtain the curved glass sheet.
    • 一种弯曲玻璃板的制造方法,其特征在于,具备:具有匹配的第一模芯和第二模芯的设备; 提供原玻璃板并将其放置在覆盖第二模腔的第二模芯上; 压力在第一和第二模腔中被控制到第一压力; 将模芯封闭加热,将原料玻璃板升温至原玻璃板的玻璃化转变温度近似的温度; 向第一模腔供给气体,将第一模腔中的压力升高到大于第一压力的第二压力,在该压力下原料玻璃板在压力下弯曲到第二模芯的第二成形面; 将模芯打开并冷却以获得弯曲的玻璃板。
    • 9. 发明授权
    • Method and apparatus for bending glass
    • 弯曲玻璃的方法和装置
    • US5857358A
    • 1999-01-12
    • US735885
    • 1996-10-23
    • Martin De Vries, Jr.Donald L. BaremanMervin DirkseNiels Alfred OlesenJames M. Beebe
    • Martin De Vries, Jr.Donald L. BaremanMervin DirkseNiels Alfred OlesenJames M. Beebe
    • C03B23/035C03B27/004C03B27/044C03B23/03B21D31/00B28B7/32
    • C03B23/0355C03B23/0352C03B27/004C03B27/0404C03B27/0417C03B27/0445C03B40/005
    • A method of and apparatus for bending a sheet of material heated to a formable, state such as glass, resinous polymeric material, viscoelastic material, and thermoplastic material, provides an improved pressing member for pressing the heated sheet against a first rigid mold which reduces the size of the buckles in the bent sheet, eliminates the need for a second rigid mold, reduces the process control steps, reduces the risk of damaging the rigid mold, increases the tolerances for the positioning of the sheet in the apparatus, and increases the range of application. The pressing member includes a flexible diaphragm which rolls the heated sheet against a rigid mold by first applying a pressure to a portion of the heated sheet and then radiating the pressure from that portion to the remaining surface area of the heated sheet in a rolling action. The bending apparatus includes a rigid mold and a flexible diaphragm pressurized into a convex shape for initially pressing on a portion of the heated sheet. A control system moves the pressing member toward the rigid mold and maintains the pressure on the flexible diaphragm so that as the pressing member is moved toward the rigid mold, the flexible member generally conforms to the shape of the rigid mold and rolls the heated sheet onto the rigid mold. To further reduce the size of any buckles, a holder for supporting the heated sheet between the rigid mold and the flexible diaphragm is provided. The holder includes a support surface for supporting the heated sheet generally planar before bending.
    • 用于弯曲加热到可成形状态的材料片材的方法和装置,例如玻璃,树脂聚合物材料,粘弹性材料和热塑性材料,提供了一种改进的按压构件,用于将加热的片材压靠在第一刚性模具上, 弯曲片中的带扣的尺寸消除了对第二刚性模具的需要,减少了工艺控制步骤,降低了损坏刚性模具的风险,增加了片材在设备中定位的公差,并且增加了范围 的应用。 按压构件包括柔性隔膜,其通过首先向加热片材的一部分施加压力,然后在滚动动作中将加热片材的压力从该部分辐射到加热片材的剩余表面区域,从而将加热的片材卷绕在刚性模具上。 弯曲装置包括刚性模具和加压成凸形的柔性隔膜,用于最初压在加热片材的一部分上。 控制系统将按压构件朝向刚性模具移动并将压力保持在柔性隔膜上,使得当按压构件朝向刚性模具移动时,柔性构件大体上符合刚性模具的形状并将加热的片材卷到 刚性模具。 为了进一步减小任何带扣的尺寸,提供了用于在刚性模具和柔性膜片之间支撑加热片材的支架。 保持器包括用于在弯曲之前将加热的片材大致平坦地支撑的支撑表面。