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US 6,659,625 B2Granted
Car lighting fixture lens structure and manufacturing method thereof
AssigneeIchikoh Industries, Ltd.
InventorShingo Hanasaki
Life of this patent
Estimating the term…
Abstract
A car lighting fixture lens structure comprising: a lens body molded of a transparent resin material and attached to cover an opening of a lamp housing; and a transparent protective film laminated and formed on an outer surface of this lens body, the lens body being molded of a transparent thermoplastic resin material, and said transparent protective film being molded of a thermoplastic polyurethane.
Claims7
A car lighting fixture lens structure comprising:
- a car tamp lens body formed of a transparent thermoplastic resin material and attached to cover an opening of a tamp housing, the transparent thermoplastic resin material comprising a potycarbonate having a molecular weight of 20000 or less so that the lens body easily breaks upon impact;
- and
- a transparent protective film formed on an outer surface of the lens body,
- said transparent protective film being formed of a thermoplastic polyurethane to prevent a broken piece of the lens body from flying or scattering.
1 more element
Dependencies are inferred from the claim text.