Glass unit

The multilayer glass unit design with a thinner, boroaluminosilicate inner plate and concave sealing member addresses the weight challenge of multiple glass plates, maintaining insulation and reducing thermal stress, while enhancing durability and light transmittance.

JP2026520089APending Publication Date: 2026-06-22CORNING INC
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Patent Information

Authority / Receiving Office
JP · JP
Patent Type
Applications
Current Assignee / Owner
CORNING INC
Filing Date
2024-04-05
Publication Date
2026-06-22

AI Technical Summary

Technical Problem

Multilayer glass units with multiple glass plates improve heat insulation, sound insulation, and condensation prevention but increase weight, posing a challenge in balancing performance and weight.

Method used

A multilayer glass unit design featuring two outer glass plates and an inner glass plate, with spacers and a sealing member having a concave upper surface, where the inner glass plate is thinner and composed of boroaluminosilicate glass, offset from the outer plates, and the sealing member is embedded between them, enhancing durability and reducing weight.

Benefits of technology

The design achieves improved durability and reduced weight while maintaining or enhancing insulation and light transmittance, with the inner glass plate's lower solar absorption and higher transmittance contributing to reduced thermal stress and lower weight.

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Abstract

A glass unit is provided, comprising: a first outer glass plate and a second outer glass plate facing each other; an inner glass plate disposed between the first outer glass plate and the second outer glass plate; a first spacer disposed between the first outer glass plate and the inner glass plate to space the inner glass plate away from the first outer glass plate; a second spacer disposed between the second outer glass plate and the inner glass plate to space the inner glass plate away from the second outer glass plate; and a sealing member embedded in the space between the first outer glass plate and the inner glass plate and the space between the second outer glass plate and the inner glass plate, wherein the upper surface of the sealing member includes a curved surface formed in a concave shape.
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