Cutting Apparatus Electrostatic Retention Humidity Control

Resolve Bottlenecks,
Find Innovative SolutionsGenerate Solutions

Solution Overview

Problem

Existing cutting apparatuses for materials like fabric and leather face challenges in achieving precise and accurate cutting, especially in low-temperature or high-humidity conditions, and are often costly, prone to breakage, and require significant labor. They struggle to maintain material retention effectively due to humidity issues.

Innovation Solution

A cutting apparatus with a flat supporting surface that incorporates electrostatic attraction means and heating elements to manage humidity, using conductive layers and ionizing bars to ensure material stability and precision cutting across various ambient conditions.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Reliability

If electrostatic attraction means are used to retain material on the supporting surface, then material retention is improved, but the apparatus complexity increases

Engineering Contradiction:

Improvematerial retentionVSAvoidapparatus complexity

Core Design Contradiction:

ReliabilityVSDevice complexity

Solution Approach 1:

The patent combines multiple functions into the supporting surface: it serves as both the mechanical support structure and the electrostatic field generation surface. The conductive layer is integrated directly into the supporting surface, eliminating the need for separate electrostatic retention mechanisms while achieving both support and material retention functions simultaneously.

Inventive Principle:

Principle #5Merging (Combining)

Solution Approach 2:

The patent replaces traditional mechanical retention systems (such as clamps, weights, or adhesive systems) with an electrostatic field-based retention system. This substitution uses electrical forces rather than mechanical forces to retain the material on the supporting surface, reducing mechanical complexity while improving retention reliability.

Inventive Principle:

Principle #28Mechanics substitution (Replace mechanical system)

2Manufacturing precision

If heating means are added to eliminate humidity at the supporting surface, then cutting precision is improved in humid conditions, but the device complexity increases

Engineering Contradiction:

Improvecutting precisionVSAvoiddevice complexity

Core Design Contradiction:

Manufacturing precisionVSDevice complexity

Solution Approach 1:

The heating means are integrated into the existing supporting surface structure rather than being added as a separate system. The supporting surface incorporates both electrostatic field generation capabilities and heating functionality, allowing humidity control and material retention to work together without requiring additional complex mechanisms.

Inventive Principle:

Principle #5Merging (Combining)

Solution Approach 2:

The supporting surface acts as an intermediary element that mediates between the humidity environment and the cutting process. By incorporating heating means into this intermediary surface, the system controls humidity effects at the interface where they matter most, without requiring complex environmental control systems throughout the entire apparatus.

Inventive Principle:

Principle #24Intermediary (Mediator)

3Manufacturing precision

If the supporting surface is made flat and rigid for precision cutting, then cutting accuracy is improved, but the apparatus becomes more prone to breakage

Engineering Contradiction:

Improvecutting accuracyVSAvoidapparatus durability

Core Design Contradiction:

Manufacturing precisionVSReliability

Solution Approach 1:

The supporting surface is constructed as a composite structure combining rigid materials (for flatness and precision) with flexible or shock-absorbing materials (for durability). This composite construction allows the surface to maintain its rigid, flat geometry needed for accurate cutting while incorporating elements that prevent easy breakage under stress or impact.

Inventive Principle:

Principle #40Composite materials

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 precise and efficient cutting in any ambient condition, including low temperatures and high humidity, with reduced labor costs and increased durability, by effectively eliminating humidity and maintaining material retention through electrostatic and heating mechanisms.

Implementation Method 1

means designed to generate a field of electrostatic attraction of the material on the supporting surface

Methodology Applied

Scientific EffectElectrostatic attraction: Electrostatics

Implementation Method 2

means designed to eliminate humidity at the supporting surface of the material

Methodology Applied

Scientific EffectHeating: Heating

Data Source

PatentEP3331675B1Apparatus for the treatment, in particular cutting, of a material

Publication Date: 2020.04.15 BIERREBI ITALA

Figure 1
Figure 2
Figure 3~4

AI summary

An apparatus (10) for treatment, in particular for cutting, a material (11), the material preferably comprising a respective layer, especially in tape- or band-like form, preferably in the form of fabric or the like, and being especially for making corresponding pieces for clothing, for the furnishing industry or another, the apparatus having a respective surface (12) for supporting, in particular for resting, the material and possibly sliding, and preferably, cutting means (15) of the material (11), in particular located on the supporting surface (12); and in particular having means designed to generate an electrostatic attraction field (16) of the material (11) on the supporting surface (12); characterised in that it comprises means (16) designed to eliminate humidity at the supporting surface (12) of the material (11).