Sheet Sticking Apparatus with Reverse V-Shape Deflection

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Solution Overview

Problem

Existing sheet sticking apparatuses fail to properly release the feeding-direction leading end of a second sheet from the first sheet, preventing the second sheet's surface from being exposed and stuck to an adherend.

Innovation Solution

A sheet sticking apparatus with a folding unit that deflects the second sheet into a reverse V-shape, using a drive roller and pinch roller to release the leading end of the second sheet from the first sheet, allowing the adhesive sheet to be folded and stuck to the adherend with its surface exposed.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Reliability

If the adhesive sheet is fed with the second sheet's leading end temporarily attached to the first sheet's rear end, then the sheets are connected for feeding, but the leading end of the second sheet cannot be released from the first sheet

Engineering Contradiction:

Improveconnection reliabilityVSAvoidsheet release ability

Core Design Contradiction:

ReliabilityVSEase of operation

Solution Approach 1:

The adhesive sheet is divided into a first sheet and a second sheet with temporarily attached leading end, allowing the sheets to be fed together while maintaining the ability to separate them at the attachment point during the sticking process

Inventive Principle:

Principle #1Segmentation

Solution Approach 2:

The temporarily attached state is designed to be dynamic - the leading end of the second sheet can be released from the rear end of the first sheet during feeding, transitioning from a connected state to a separable state to enable proper sticking

Inventive Principle:

Principle #15Dynamics

2Productivity

If the leading end of the second sheet is temporarily attached to the rear end of the first sheet, then the sheets can be fed together, but the surface of the leading end cannot be exposed for sticking

Engineering Contradiction:

Improvefeeding efficiencyVSAvoidsurface exposure accuracy

Core Design Contradiction:

ProductivityVSManufacturing precision

Solution Approach 1:

The temporary attachment is established in advance during sheet preparation, allowing the sheets to be fed together as a unit, and then the attachment is released at the appropriate time to expose the surface for sticking

Inventive Principle:

Principle #10Preliminary action

Solution Approach 2:

The attachment state transitions from connected during feeding to separated during sticking, with the leading end of the second sheet being releasably detached from the rear end of the first sheet to expose the adhesive surface

Inventive Principle:

Principle #15Dynamics

Data Source

PatentUS10364115B2Sheet sticking apparatus and sticking method

Publication Date: 2019.07.30 LINTEC CORP

AI summary

A sheet sticking apparatus includes a feeder configured to feed an adhesive sheet, a folding unit configured to fold the fed adhesive sheet, and an attaching unit configured to press the folded adhesive sheet onto an adherend to stick the adhesive sheet to the adherend. The adhesive sheet includes a first sheet and a second sheet having a feeding-direction leading end temporarily attached to a feeding-direction rear end of the first sheet. The folding unit includes a deflecting section configured to deflect the second sheet into a reverse V-shape.