Mold Coating Chamber With Parallel Gas Flow for Uniform Deposition

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Solution Overview

Problem

Existing methods for depositing coatings on mold surfaces often result in uneven coatings and waste of reactants, necessitating improved systems and methods for surface coating.

Innovation Solution

The system comprises a deposition chamber, a mold support, a gas inlet port, and a filament assembly with a non-planar filament array, positioned to direct a gaseous species parallel to the filaments, promoting uniform coating formation and reducing waste.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Manufacturing precision

If conventional coating methods are used to deposit coatings on mold surfaces, then coating formation is achieved, but the coatings are uneven and reactants are wasted

Engineering Contradiction:
Improvecoating uniformityVSAvoidreactant waste
Core Design Contradiction:
Manufacturing precisionVSLoss of substance

Solution Approach 1:

The mold surface is segmented into multiple zones with different heating requirements. The heating system is divided into multiple independent heating zones that can be controlled separately, allowing precise temperature management across complex mold geometries. This segmentation enables uniform coating deposition on both planar and non-planar surfaces by independently optimizing heating for each zone.

Inventive Principle:
Principle #1Segmentation

Solution Approach 2:

Different regions of the mold surface are provided with locally optimized heating characteristics. The system uses localized heating elements that can be independently controlled to provide appropriate thermal energy to specific areas, ensuring uniform reactant decomposition and coating formation across the entire mold surface including recesses and non-planar features.

Inventive Principle:
Principle #3Local quality

2Productivity

If conventional coating systems are used, then coating deposition is achieved, but preparation and coating operations must be performed sequentially

Engineering Contradiction:
Improvecoating efficiencyVSAvoidprocess time
Core Design Contradiction:
ProductivityVSLoss of time

Solution Approach 1:

The system merges the mold preparation function and coating deposition function into a single integrated chamber. Multiple molds can be prepared and coated simultaneously in the same chamber, eliminating the need for separate preparation and coating operations. This consolidation allows continuous processing where preparation of one mold can occur while another mold is being coated, significantly improving productivity.

Inventive Principle:
Principle #5Merging (Combining)

Solution Approach 2:

The system enables continuous operation by allowing multiple molds to be in different stages of processing simultaneously. While one mold is being prepared, another can be undergoing coating deposition, and a third can be ready for removal. This continuous workflow eliminates idle time and maximizes the utilization of the coating system.

Inventive Principle:
Principle #20Continuity of useful action

Applied Scientific Principles

This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.

Function Achieved in This Case

This configuration enables the formation of high-quality, uniform coatings on mold surfaces, including non-planar geometries, while minimizing reactant waste and increasing efficiency through simultaneous preparation and coating of molds.

Implementation Method 1

a filament assembly comprising a first frame portion, a second frame portion, a third frame portion positioned between and connecting the first frame portion and the second frame portion, and a plurality of filaments extending between the first frame portion and the second frame portion to form a non-planar filament array

Methodology Applied
Scientific EffectResistive heating: Joule Heating

Implementation Method 2

The filament array, the filament assembly, and the gas inlet may be positioned so to cause the gaseous species to flow in a direction substantially parallel to each of the plurality of filaments in the filament array

Methodology Applied
Scientific EffectThermal decomposition: Pyrolysis

Implementation Method 3

The coatings may be formed by methods involving polymerization of a gaseous species on the mold surface

Methodology Applied
Scientific EffectPolymerization: Photopolymerisation

Implementation Method 4

Systems for depositing coatings onto surfaces of molds and related articles... The coatings may be formed by methods involving polymerization of a gaseous species on the mold surface

Methodology Applied
Scientific EffectChemical vapor deposition: Chemical Vapour Deposition

Data Source

PatentUS20240417848A1Systems for depositing coatings on surfaces and associated methods
Publication Date: 2024.12.19 CONTINENTAL REIFEN DEUTSCHLAND GMBH
  • US20240417848A1 patent drawing
  • US20240417848A1 patent drawing
  • US20240417848A1 patent drawing

AI summary

Systems for depositing coatings onto surfaces of molds and other articles are generally provided. In some embodiments, a system is adapted and arranged to cause gaseous species to flow parallel to a filament array. In some embodiments, a system comprises one or more mold supports that are translatable.