Method for manufacturing vehicle window assembly and vehicle window assembly
A technology for car windows and components, which is applied to vehicle parts, chemical instruments and methods, windows, etc., and can solve problems such as small size, inability to achieve good matching, and sink marks on the surface of glass wrapping
Active Publication Date: 2018-02-23
SAINT GOBAIN VITRAGE SA
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- Description
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- Application Information
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Problems solved by technology
[0005] However, when the injection molding process of the prior art forms glass edging, the solution shrinks in the mold cavity due to cooling, and sink marks appear on the surface of the glass edging, which makes the size of the glass edging formed by injection molding smaller than the design specification, thereby The glass edging cannot be well matched with other parts of the car window, and the sink marks formed on the surface of the glass edging also affect the appearance of the car
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[0022] The automobile edging formed by injection molding process is prone to sink marks, which affects the appearance of the car and makes the size of the glass edging formed by injection molding smaller than the design specification, so that the glass edging and other parts of the car window cannot be well connected. match.
[0023] After in-depth analysis of the existing injection molding process and mechanism, it was found that the reason for the sink marks on the surface of the automobile hemming is that some automobile hemming products have a large injection thickness, and when the injection molding solution is cooled in the mold cavity, the surface of the solution The temperature is low and the cooling is fast, while the temperature inside the solution is high and the cooling is slow. In this case, when the injection molding solution is cooled and molded on the outside, the inside is not yet molded; when the injection molding solution inside is cooled and molded, the volu...
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Abstract
A method for manufacturing a vehicle window assembly and the vehicle window assembly, wherein the method for manufacturing the vehicle window assembly includes: providing a vehicle window base and an elastic body; pasting the elastic body on the surface of the vehicle window base close to the side; Injection molding forms an encapsulation surrounding the elastomer, wherein the injection molding temperature is below the melting point of the elastomer. The method for manufacturing the vehicle window assembly provided by the invention and the surface of the vehicle window assembly have no sink marks.
Description
technical field [0001] The invention relates to the technical field of glass edge wrapping, in particular to a method for manufacturing a vehicle window assembly and the vehicle window assembly. Background technique [0002] With the rapid development of automobile technology, the encapsulation products of automobile glass are becoming more and more diverse and complex. The periphery of the automobile glass is generally formed by injection molding process to increase the airtightness, noise reduction and safety of the automobile glass. [0003] The Chinese patent application whose publication number is CN102180081A discloses an automobile rear quarter window assembly. refer to figure 1 , shows a schematic diagram of the automobile rear quarter window assembly in the said Chinese patent application. The automobile rear quarter window assembly includes: a glass 11 and a glass encapsulation 12 formed around the glass 11 . The glass edge 12 includes a glue-applied surface 12...
Claims
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IPC IPC(8): B60J1/10B29C45/00
CPCB29L2031/265B29L2031/3052B29C45/14377B29C45/14434B29C45/0025B60J1/10B29C2045/0043B32B17/10B60J10/16B60J10/27B60J10/50B60J10/70B29C45/14336B29C45/14778B29C45/14795B29C45/14811B29C45/1671B29C45/1676B29C65/4825B29C66/4722B29C66/712B29C66/7315B29C66/73365B29C66/7465B29C2045/14868B29K2995/0026B29K2995/0046B29L2031/30B29L2031/778B32B3/08B32B3/26B32B7/12B32B25/08B32B27/08B32B2250/03B32B2255/10B32B2255/26B32B2307/51B32B2605/006B32B2605/08
Inventor 周骏胡剑虹
Owner SAINT GOBAIN VITRAGE SA