Continuous-Flow Optical Curing Oven With Indexable Platform

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Solution Overview

Problem

Current thermal curing devices for optical articles can only cure a limited number of articles at a time due to batch processing, leading to inefficiencies in large-scale production.

Innovation Solution

A thermal curing apparatus with a housing defining multiple portions for moving optical articles through a continuous process, including a loading, heating, cooling, and unloading portion, utilizing an indexable platform and holders that can rotate to facilitate continuous processing without stopping.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Productivity

If batch processing is used in current thermal curing devices, then the device structure can be simple, but the productivity is limited because only a single group of optical articles can be cured at one time

Engineering Contradiction:
Improvenumber of optical articles cured per time periodVSAvoidstructure of thermal curing device
Core Design Contradiction:
ProductivityVSDevice complexity

Solution Approach 1:

The thermal curing device is divided into multiple independent zones (heating zone, cooling zone, loading zone, unloading zone) that can operate simultaneously. Each zone performs a specific function in the curing process, allowing continuous processing of multiple batches without interrupting the overall workflow, thereby significantly increasing productivity while maintaining manageable structural complexity through functional segmentation

Inventive Principle:
Principle #1Segmentation

Solution Approach 2:

The patent introduces a movable platform that can dynamically transition between different zones (heating, cooling, loading, unloading) and a carousel mechanism that rotates to present holders to different zones. This dynamic reconfiguration allows the system to process multiple batches concurrently, transforming the static batch processing into a dynamic continuous flow system that increases throughput without proportionally increasing overall device complexity

Inventive Principle:
Principle #15Dynamics

2Productivity

If batch processing is used, then the device can be operated simply, but the processing time increases due to the need to remove and reload articles between batches

Engineering Contradiction:
Improvecuring throughputVSAvoidtime for removing and reloading articles
Core Design Contradiction:
ProductivityVSLoss of time

Solution Approach 1:

The patent implements continuous operation by having multiple zones work simultaneously and independently. While one batch is being heated, another is cooling, a third is loading, and a fourth is unloading. The movable platform continuously transports holders between zones without stopping, and the carousel continuously rotates to present holders to the appropriate zones, eliminating idle time and ensuring that the curing process operates continuously at maximum capacity, thereby increasing productivity without adding significant operational complexity

Inventive Principle:
Principle #20Continuity of useful action

Solution Approach 2:

The system performs preliminary actions by pre-positioning holders on the carousel and pre-heating the heating zone before batches are fully loaded. The carousel is pre-configured with multiple holders ready to be presented to different zones, and the heating zone is pre-heated to operating temperature. This preliminary preparation eliminates wait times during batch transitions, allowing seamless continuous operation and significantly reducing the time loss associated with batch processing

Inventive Principle:
Principle #10Preliminary action

3Productivity

If multiple batches are processed sequentially, then the device footprint can be compact, but the total curing capacity is limited

Engineering Contradiction:
Improvenumber of articles cured simultaneouslyVSAvoidfootprint of thermal curing device
Core Design Contradiction:
ProductivityVSArea of stationary object

Solution Approach 1:

The patent transitions from processing batches sequentially in a single zone to processing multiple batches simultaneously across multiple spatial zones (heating, cooling, loading, unloading) arranged in a linear sequence. The movable platform moves holders along this spatial dimension between zones, while the carousel adds rotational dimensionality to present multiple holders to each zone. This multi-dimensional spatial arrangement allows the device to process many more articles simultaneously within a compact linear footprint, dramatically increasing curing capacity without proportionally increasing the device's area

Inventive Principle:
Principle #17Another dimension (Dimensionality change)

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

The apparatus enables continuous movement of optical articles through the curing process, significantly increasing the number of articles that can be cured in a given time period while maintaining a compact footprint.

Implementation Method 1

The heating portion may define an inlet for introducing heated air from a central plenum into the heating portion to heat the at least one optical article

Methodology Applied
Scientific EffectThermal convection: Convection

Implementation Method 2

the plurality of portions includes a loading portion, a heating portion, a cooling portion, and an unloading portion

Methodology Applied
Scientific EffectThermal convection: Convection

Data Source

PatentUS20250065582A1Continuous-Flow Post Cure Oven
Publication Date: 2025.02.27 TRANSITIONS OPTICAL INC
  • US20250065582A1 patent drawing
  • US20250065582A1 patent drawing
  • US20250065582A1 patent drawing

AI summary

An apparatus for curing at least one optical article may include a housing defining a plurality of portions configured to receive the at least one optical article, the at least one optical article being secured on a holder that moves the at least one optical article through 5 the plurality of portions, wherein the plurality of portions includes a loading portion, a heating portion, a cooling portion, and an unloading portion, and an indexable platform that is configured to sequentially move the holder and the at least one optical article from the loading portion to the heating portion, the cooling portion, and the unloading portion, wherein the holder is operatively connected to the indexable platform.