Vehicle door handle device and two-shot injection molding method for producing parts with metallic finish
A technology for injection molding and door handles, applied in the field of injection molding parts, can solve problems such as chipping, peeling, and damage to the appearance of vehicle door handles
Active Publication Date: 2021-04-20
FCA US
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- Abstract
- Description
- Claims
- Application Information
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Problems solved by technology
So even though the plastic material that forms the inner and outer layers will not rust, the chrome itself may rust
Second, chrome can blister, peel and chip
Not only does this detract from the appearance of the vehicle door handle, but the exposed edge of the chrome also tends to be sharp and can cut one's hand when grasping the vehicle door handle during entry and exit of the vehicle
Method used
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[0021] Referring to the drawings, wherein like reference numerals indicate corresponding parts throughout the several views, a vehicle door handle assembly 20 and a method of two-shot injection molding are disclosed. The two-shot injection molding method relates to a method for producing injection molded parts with a metallic finish. An injection molded part produced by this method can be, for example, a vehicle door handle arrangement 20 .
[0022] Example embodiments will now be described more fully with reference to the accompanying drawings. Example embodiments are provided so that this disclosure will be thorough, and will fully convey the scope of the disclosure to those who are skilled in the art. Numerous specific details are set forth, such as examples of specific components, devices and methods, in order to provide a more thorough understanding of embodiments of the present disclosure. It will be apparent to those skilled in the art that specific details need not b...
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Abstract
A vehicle door handle assembly is disclosed that generally includes a structural core and an outer layer. The structural core has an outer surface, a base portion, and a handle portion extending from the base portion. The outer layer extends around and covers at least the outer surface of the handle portion of the structural core. The structural core is made of a first material comprising engineering thermoplastics and glass fibers for reinforcement. The outer layer is made from a second material comprising an engineering thermoplastic and an abrasive material that provides the outer layer with a metallic finish. Non-limiting examples of engineering thermoplastic materials are polyoxymethylene and polybutylene terephthalate. Also disclosed is a method for producing an injection molded part having a metallic finish, such as the disclosed vehicle door handle assembly.
Description
[0001] Cross References to Related Applications [0002] This application claims priority to US Utility Model Application Serial No. 14 / 724,190, filed May 28, 2015. The entire disclosure of the above application is incorporated herein by reference. technical field [0003] The subject disclosure relates to injection molded parts having a metallic surface finish, such as vehicle door handles, and to methods for producing the same. Background technique [0004] This section provides background information related to the present disclosure which is not necessarily prior art. [0005] Injection molded parts are used extensively in the automotive industry for a variety of trim and other parts that are installed on the interior and exterior of vehicles. Such injection molded parts are usually made of thermoplastic materials. In general, injection molded parts are lighter and less expensive to manufacture than metal parts, especially if the parts require complex shapes and curve...
Claims
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IPC IPC(8): E05B85/16B29C45/00
CPCB29C45/0003E05B85/16B29K2059/00B29C45/1679B29C45/0013E05B85/12E05B17/0004B29C2045/1692B29K2309/08B29K2505/02B29K2067/006
Inventor 史蒂文·J·舒里希史蒂文·J·艾农丹尼洛·F·泰索林
Owner FCA US