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Separators for separating glass sheets from glass ribbons

A technology of glass ribbon and isolator, which is applied in glass rolling, glass forming, glass forming, etc., and can solve difficult problems

Inactive Publication Date: 2016-12-07
CORNING INC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0016] Although these approaches reduce the problems related to stress generation caused by ribbon motion and sheet scoring / separation processes, as glass ribbons become thinner and / or wider, these problems become more pressing and more difficult to solve

Method used

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  • Separators for separating glass sheets from glass ribbons
  • Separators for separating glass sheets from glass ribbons
  • Separators for separating glass sheets from glass ribbons

Examples

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Embodiment Construction

[0073] Figure 2-4 One of the key challenges resulting from the reduction in thickness of the glass ribbon, namely greater ribbon motion, is exemplified. In particular, the figures plot the center position of the glass ribbon at the nose (vertical axis) versus time (horizontal axis) over the course of one separation cycle (single sheet cycle). Three glass thicknesses are illustrated, namely, the standard 0.7mm thickness ( figure 2 ) and two thinner thicknesses, namely 0.5mm ( image 3 ) and 0.4mm ( Figure 4 ). The horizontal gridlines on these graphs have 10mm intervals.

[0074] Apparently, the magnitude of the motion increases significantly as the thickness decreases. Figure 2-4 Also exemplified in , as the thickness decreases, the separation period becomes shorter because each glass sheet contains less glass. Shorter separation periods further exacerbate the motion problem because there is less time for motion to decay in any given cycle. Thus, while standard thic...

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Abstract

A spacer assembly (13) is disclosed for use between a pull-roll assembly (140) and a scoring / separation assembly (150) of a glass manufacturing system (100) that produces glass ribbon (11 ), separating the glass sheet (15) from the glass ribbon (11). The isolator assembly (13) contains S-shaped edge guides (30) that engage opposite edges of the belt (11) and allow the belt to The midline (18) travels through the S-shaped curve. The isolator assembly (13) reduces the force above the isolator assembly (13) caused by the force applied by the scoring / separation assembly (150) to the glass ribbon (11) below the isolator assembly (13). Movement of the glass ribbon (11) and / or stresses in the glass ribbon (11). A method of using the isolator assembly (13) to produce a glass sheet (15) and a glass manufacturing system (100) employing the assembly (13) are also disclosed.

Description

[0001] This application claims the benefit of priority to US Provisional Application Serial No. 61 / 536,607, filed September 20, 2011, the contents of which are the basis for this document and are incorporated herein by reference in their entirety. technical field [0002] The present disclosure relates to the manufacture of glass sheets, and more particularly, to methods and apparatus for separating individual glass sheets from a moving glass ribbon. [0003] definition [0004] Throughout this disclosure, the following phrases / terms shall have the following meanings / ranges: [0005] (1) The term "glass" includes both glass and glass ceramics. [0006] (2) The phrase "substantially vertical" means within ±10° of fully vertical. [0007] (3) The phrase "substantially flat" means that the maximum deviation from perfect flatness is less than or equal to 20 mm. Background technique [0008] Fusion processing is one of the basic technologies used in the field of glassmaking to...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C03B33/027C03B33/033C03B13/00C03B18/04
CPCC03B33/0215B65G2249/04C03B17/064C03B17/068
Inventor G·N·库德瓦T·J·奥特
Owner CORNING INC
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