DECORATIVE MEMBER FOR VEHICLE

• US 20150086731A1
• Filed: 08/07/2014
• Published: 03/26/2015
• Est. Priority Date: 09/26/2013
• Status: Active Grant

• Current Assignee: Toyoda Gosei Company Limited (Toyota Motor Corporation)
• Original Assignee: Toyoda Gosei Company Limited (Toyota Motor Corporation)
• Inventors: SUGIURA, Tatsuya, MAEDA, Hideto, KAWASHIMA, Daiichiro, IIMURA, Kimihiro
• Granted Patent: US 9,533,627 B2
• Time in Patent Office: Days
• US Class Current: 428/31
• CPC Class Codes: B32B 1/00 Layered products having a non-planar shape
• CPC Class Codes: B32B 2250/02 2 layers
• CPC Class Codes: B32B 2250/24 All layers being polymeric
• CPC Class Codes: B32B 2255/10 on synthetic resin layer or on natural or synthetic rubber layer
• CPC Class Codes: B32B 2255/205 Metallic coating
• CPC Class Codes: B32B 2255/28 Multiple coating on one surface
• CPC Class Codes: B32B 2307/412 Transparent
• CPC Class Codes: B32B 2307/538 Roughness
• CPC Class Codes: B32B 2307/732 Dimensional properties
• CPC Class Codes: B32B 2451/00 Decorative or ornamental articles wall paper B32B2607/02
• CPC Class Codes: B32B 2605/00 Vehicles
• CPC Class Codes: B32B 27/00 Layered products comprising a layer of synthetic resin fibrous or filamentary layer made of a synthetic resin B32B5/02; particulate layer made of a synthetic resin B32B5/16; foamed layer made of a synthetic resin B32B5/18
• CPC Class Codes: B32B 27/08 of synthetic resin
• CPC Class Codes: B32B 27/28 comprising synthetic resins not wholly covered by any one of the sub-groups B32B27/30 - B32B27/42
• CPC Class Codes: B32B 27/302 comprising aromatic vinyl (co)polymers, e.g. styrenic (co)polymers
• CPC Class Codes: B32B 27/308 comprising acrylic (co)polymers
• CPC Class Codes: B32B 27/365 comprising polycarbonates
• CPC Class Codes: B32B 37/18 involving the assembly of discrete sheets or panels only
• CPC Class Codes: B32B 38/0012 Mechanical treatment, e.g. roughening, deforming, stretching
• CPC Class Codes: B32B 38/145 Printing
• CPC Class Codes: B44C 1/1716 : Decalcomanias provided with a particular decorative layer, e.g. specially adapted to allow the formation of a metallic or dyestuff layer on a substrate unsuitable for direct deposition
• CPC Class Codes: B44C 1/1729 : Hot stamping techniques
• CPC Class Codes: B44C 5/0415 : containing metallic elements
• CPC Class Codes: B60R 13/005 : Manufacturers' emblems, name plates, bonnet ornaments, mascots or the like; Mounting means therefor
• CPC Class Codes: B60R 13/04 : External Ornamental or guard strips; Ornamental inscriptive devices thereon fastening strips or bars to sheets or plates by means of clips F16B5/12
• CPC Class Codes: G01S 13/93 : for anti-collision purposes
• CPC Class Codes: G01S 13/931 : of land vehicles
• CPC Class Codes: G01S 2013/93271 : in the front of the vehicles
• CPC Class Codes: G01S 7/027 : Constructional details of housings, e.g. form, type, material or ruggedness
• CPC Class Codes: G01S 7/03 : Details of HF subsystems specially adapted therefor, e.g. common to transmitter and receiver
• CPC Class Codes: G01S 7/032 : Constructional details for solid-state radar subsystems
• CPC Class Codes: H01Q 1/42 : Housings not intimately mechanically associated with radiating elements, e.g. radome
• CPC Class Codes: Y10T 156/1002 : with permanent bending or reshaping or surface deformation of self sustaining lamina
• CPC Class Codes: Y10T 428/14 : Layer or component removable to expose adhesive

Abstract

A vehicular decorative member is curved as a forward-bulging shape, and includes a transparent base, a transferred layer, a metallic layer, and a base layer. The transparent base includes a front face, and a rear face. The transparent base'"'"'s rear face has an ordinary section, and a recessed section. The transferred layer, the metallic layer, and the base layer are disposed on the transparent base'"'"'s rear-face side in this order. The vehicular decorative member further includes a transfer sheet turning into the transferred layer. The transfer sheet includes a support film, and an adhesive layer, a decorative layer and a release layer that are formed on the support film in this order. The transfer sheet makes the transferred layer when the support film is removed from the release layer after pressing the transfer sheet onto the transparent base'"'"'s ordinary section while heating the transfer sheet.

Claims

1. A decorative member for vehicle, the decorative member curved as a forward-bulging shape, and comprising;

a transparent base made from a resinous material, and including a front face and a rear face, the rear face having an ordinary section and a recessed section dented more forward than is the ordinary section;

a transferred layer;

a metallic layer;

a base layer;

the transferred layer, the metallic layer and the base layer disposed in this order on a rear-faces side of the transparent base;

the transferred layer formed on the ordinary section in the rear face of transparent base;

the metallic layer formed on the ordinary section of the transparent base on which the transferred layer is formed, and on the recessed section in the rear face of the transparent base; and

the transferred layer formed by;

pressing a transfer sheet, which comprises a support film, a release layer formed on the support film, a decorative layer formed on the release layer and an adhesive layer formed on the decorative layer, onto the ordinary section in the rear face of the transparent base while heating the transfer sheet;

fixing the decorative layer and the release layer onto the ordinary section by the adhesive layer; and

then removing the support film from the release layer.

2. The decorative member according to claim 1, wherein the metallic layer has a face exhibiting a surface roughness “

Ra”

of 0.3 μ

m or less that faces to the transferred layer.

3. The decorative member according to claim 1, wherein the transfer sheet includes the release layer exhibiting transparency.

4. The decorative member according to claim 1, wherein the transfer sheet includes the decorative layer formed by gravure printing.

5. The decorative member according to claim 1, wherein the transparent base further includes a perpendicular face extending perpendicularly to the ordinary section, and surrounding a peripheral rim of the ordinary section in the rear face.

6. The decorative member according to claim 1 comprising the metallic layer that is formed by vapor deposition or sputtering.

7. The decorative member according to claim 1 making an electromagnetic-wave transmission cover.

8. The decorative member according to claim 4, wherein the decorative layer is formed by gravure printing with an ink exhibiting a viscosity of from 0.2 to 2 da·

s at room temperature.

9. A process for manufacturing decorative member for vehicle that is curved as a forward-bulging shape and comprises a transparent base, a transferred layer, a metallic layer and a base layer, the process comprising the steps of:

preparing the transparent base including a front face, and a rear face having an ordinary section and a recessed section that is dented more forward than is the ordinary section;

preparing a transfer sheet made by providing a support film with a release layer, a decorative layer and an adhesive layer in this order on one of the opposite faces, wherein the decorative layer is formed by gravure printing;

applying the transfer sheet;

onto the rear face of the transparent base;

depressurizing between the transfer sheet and the transparent base, wherein only a space arising between the transfer sheet and the recessed section in the rear face of the transparent base is depressurized;

pressing the transfer sheet onto the ordinary section in the rear face of the transparent base while heating the transfer sheet;

cancelling the depressurizing and pressing between the transfer sheet and the transparent base after cooling the transfer sheet;

removing the support film of the transfer sheet from the release layer, thereby turning the release layer, the decorative layer and the adhesive layer into the transferred layer that stays on the ordinary section in the rear face of the transparent base;

providing the transparent base with the metallic layer on the rear face entirely; and

providing the transparent base with the base layer on the rear face on which the metallic layer has been formed entirely.

10. The process according to claim 9, wherein the transparent base is prepared to further include a perpendicular face extending perpendicularly to the ordinary section, and surrounding a peripheral rim of the ordinary section in the rear face.

11. The process according to claim 9, wherein the decorative layer is formed by gravure printing with an ink exhibiting at viscosity of from 0.2 to 2 dPa·

s at room temperature.

12. The process according to claim 9, where in the metallic layer is provided with a face exhibiting a surface roughness “

Ra”

of 0.3 μ

m or less that faces to the transferred layer.