PATENT CLAIM ANALYSIS

Application Number: 16026101
Application Type: Utility
Filing Date: 2018-07
Publication Date: 2019-09
Patent Classification: ["427", "458000"]

Abstract:
Disclosed herein is an aging resistance coating film for a hub, sequentially comprising an aluminum alloy matrix, a silane conversion film, a high-gloss organic resin coating, a periodic variable alloy black chromium coating film and a transparent resin coating. In the coating film, the thickness of the black chromium coating film is increased and the blackness thereof is adjusted according to different content of C. The residual stress of the deposited metal layer is reduced, the problem of cracking during heating and rapid cooling of the coating film is solved, and the binding force between the coating film and the underlying high-gloss resin material is improved. Also disclosed herein is a method for forming an aging resistance coating film for a hub, comprising: (1) silane pretreatment, (2) spraying of high-gloss medium powder, (3) PVD coating, and (4) spraying of transparent powder.

Claim (Index 2):
A method for forming an aging resistance coating film for a hub, comprising: (1) silane pretreatment, (2) spraying of high-gloss medium powder, (3) PVD coating, and (4) spraying of transparent powder;\n the silane pretreatment comprises the steps of hot water washing, de-greasing and alkaline washing, hot water washing, water washing, acid washing, pure water washing, pure water washing, silane passivation, pure water washing, closing, pure water washing and moisture drying; the spraying of a high-gloss powder coating means that an epoxy powder coating material is electrostatically sprayed onto a metal surface of the hub and cured, wherein the base powder is epoxy resin powder or a polyester powder coating material; the PVD coating refers to high vacuum magnetron sputtering on the surface of the hub after the medium powder is cured, the sputtering target comprises a pure C target and a pure Cr metal target, the two targets are set with different power according to the colors and opened for coating in accordance with the process one after another, the hub in the equipment can rotate and revolve, the two targets are sputtered onto the surface of the hub in certain sequence and proportion of C and Cr, the surface coating film is uniform in thickness and color by means of rotation and revolution of the hub, and the coating film has good binding force with the underlying high-gloss resin coating; the spraying of transparent powder means that the transparent powder is sprayed onto the surface of the hub after the PVD coating and cured, the transparent powder is an acrylic resin or polyester powder coating material, the transparent coating has good binding force with the coating film, and the resin itself also has aging resistance and other properties.

Metadata:
- Claim Count in Document: 3.0
- Percentile: 95.0
- Lexical Diversity: 2.10256
- Patent Class: 427.0
- Transitional Phrase Type: open
- Component Type: 1
- Foreign Priority: True
- Related Applications: ['14804685', '10420336', '13187734', '14126430', '11492800']

Analysis Scores:
- 35 USC 101 Eligibility (BERT): 0.7517435715390984
- 35 USC 102 Novelty (BERT): 0.501172155086683
- Combined Prediction Score: 0.7266864298938569
- Mean Citation Score: 176.009086
- Max Citation Score: 193.89264
- Similarity Product: 130.10894254840852

Labels:
- Claim Label 101: 1
- Claim Label 102: 1
- Claim Label 103: 1
- Claim Label 112: 0
- Combined Label: 1
- Label 101 Adjusted: 1

Dataset: test