Tempered glass sheet for vehicle and vehicle window
AssigneeNippon Sheet Glass Co., Ltd.
InventorsKyoichi Shukuri, Kazuo Yamada, Takahiro Shimomura
Life of this patent
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Abstract
A tempered glass sheet having a sufficient strength needed for a windowpane and can be utilized for smoothing a surface of the window is provided. A tempered glass sheet of the present invention, produced by tempering a glass sheet, has a stepped portion of reduced thickness relative to the thickness of the glass sheet in at least a part of a peripheral portion of the tempered glass sheet. By the stepped portion, a thin portion and a thick portion are formed. A difference in thickness between the thin portion and the thick portion is 0.5 mm or more, and the thickness of the thin portion is thicker than half the thickness of the thick portion.
Claims15
A tempered glass sheet for a vehicle formed by tempering a glass sheet, comprising a stepped portion of reduced thickness relative to the thickness of the glass sheet in at least a part of a peripheral portion of the tempered glass sheet, and a thin portion and a thick portion formed by the stepped portion, wherein a difference in thickness between the thin portion and the thick portion is 0.5 mm or more, and the thickness of the thin portion is thicker than half the thickness of the thick portion, wherein the tempered glass sheet is a single glass sheet and has a convex curved end surface at the stepped portion.
A window for vehicles comprising a tempered glass sheet formed by tempering a glass sheet and a supporting member for attaching the tempered glass sheet to a body of the vehicles,
- the tempered glass sheet comprising a stepped portion of reduced thickness relative to the thickness of the glass sheet in at least a part of a peripheral portion of the tempered glass sheet, and a thin portion and a thick portion formed by the stepped portion, wherein a difference in thickness between the thin portion and the thick portion is 0.5 mm or more, and the thickness of the thin portion is thicker than half the thickness of the thick portion, wherein the tempered glass sheet is a single glass sheet and has a convex curved end surface at the stepped portion.
Dependencies are inferred from the claim text.